diff options
Diffstat (limited to 'indra/llwindow/llwindowwin32.cpp')
-rw-r--r-- | indra/llwindow/llwindowwin32.cpp | 9991 |
1 files changed, 5000 insertions, 4991 deletions
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp index eb9ece6ea9..dad70aea51 100644 --- a/indra/llwindow/llwindowwin32.cpp +++ b/indra/llwindow/llwindowwin32.cpp @@ -1,4991 +1,5000 @@ -/** - * @file llwindowwin32.cpp - * @brief Platform-dependent implementation of llwindow - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include "linden_common.h" - -#if LL_WINDOWS && !LL_MESA_HEADLESS - -#include "llwindowwin32.h" - -// LLWindow library includes -#include "llkeyboardwin32.h" -#include "lldragdropwin32.h" -#include "llpreeditor.h" -#include "llwindowcallbacks.h" - -// Linden library includes -#include "llerror.h" -#include "llexception.h" -#include "llfasttimer.h" -#include "llgl.h" -#include "llstring.h" -#include "lldir.h" -#include "llsdutil.h" -#include "llglslshader.h" -#include "llthreadsafequeue.h" -#include "stringize.h" -#include "llframetimer.h" - -// System includes -#include <commdlg.h> -#include <WinUser.h> -#include <mapi.h> -#include <process.h> // for _spawn -#include <shellapi.h> -#include <fstream> -#include <Imm.h> -#include <iomanip> -#include <future> -#include <sstream> -#include <utility> // std::pair - -#include <d3d9.h> -#include <dxgi1_4.h> -#include <timeapi.h> - -// Require DirectInput version 8 -#define DIRECTINPUT_VERSION 0x0800 - -#include <dinput.h> -#include <Dbt.h.> -#include <InitGuid.h> // needed for llurlentry test to build on some systems -#pragma comment(lib, "dxguid.lib") // needed for llurlentry test to build on some systems -#pragma comment(lib, "dinput8") - -const S32 MAX_MESSAGE_PER_UPDATE = 20; -const S32 BITS_PER_PIXEL = 32; -const S32 MAX_NUM_RESOLUTIONS = 32; -const F32 ICON_FLASH_TIME = 0.5f; - -#ifndef WM_DPICHANGED -#define WM_DPICHANGED 0x02E0 -#endif - -#ifndef USER_DEFAULT_SCREEN_DPI -#define USER_DEFAULT_SCREEN_DPI 96 // Win7 -#endif - -// Claim a couple unused GetMessage() message IDs -const UINT WM_DUMMY_(WM_USER + 0x0017); -const UINT WM_POST_FUNCTION_(WM_USER + 0x0018); - -extern bool gDebugWindowProc; - -static std::thread::id sWindowThreadId; -static std::thread::id sMainThreadId; - -#if 1 // flip to zero to enable assertions for functions being called from wrong thread -#define ASSERT_MAIN_THREAD() -#define ASSERT_WINDOW_THREAD() -#else -#define ASSERT_MAIN_THREAD() llassert(LLThread::currentID() == sMainThreadId) -#define ASSERT_WINDOW_THREAD() llassert(LLThread::currentID() == sWindowThreadId) -#endif - - -LPWSTR gIconResource = IDI_APPLICATION; -LPDIRECTINPUT8 gDirectInput8; - -LLW32MsgCallback gAsyncMsgCallback = NULL; - -#ifndef DPI_ENUMS_DECLARED - -typedef enum PROCESS_DPI_AWARENESS { - PROCESS_DPI_UNAWARE = 0, - PROCESS_SYSTEM_DPI_AWARE = 1, - PROCESS_PER_MONITOR_DPI_AWARE = 2 -} PROCESS_DPI_AWARENESS; - -typedef enum MONITOR_DPI_TYPE { - MDT_EFFECTIVE_DPI = 0, - MDT_ANGULAR_DPI = 1, - MDT_RAW_DPI = 2, - MDT_DEFAULT = MDT_EFFECTIVE_DPI -} MONITOR_DPI_TYPE; - -#endif - -typedef HRESULT(STDAPICALLTYPE *SetProcessDpiAwarenessType)(_In_ PROCESS_DPI_AWARENESS value); - -typedef HRESULT(STDAPICALLTYPE *GetProcessDpiAwarenessType)( - _In_ HANDLE hprocess, - _Out_ PROCESS_DPI_AWARENESS *value); - -typedef HRESULT(STDAPICALLTYPE *GetDpiForMonitorType)( - _In_ HMONITOR hmonitor, - _In_ MONITOR_DPI_TYPE dpiType, - _Out_ UINT *dpiX, - _Out_ UINT *dpiY); - -// -// LLWindowWin32 -// - -void show_window_creation_error(const std::string& title) -{ - LL_WARNS("Window") << title << LL_ENDL; -} - -HGLRC SafeCreateContext(HDC &hdc) -{ - __try - { - return wglCreateContext(hdc); - } - __except(EXCEPTION_EXECUTE_HANDLER) - { - return NULL; - } -} - -GLuint SafeChoosePixelFormat(HDC &hdc, const PIXELFORMATDESCRIPTOR *ppfd) -{ - __try - { - return ChoosePixelFormat(hdc, ppfd); - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - // convert to C++ styled exception - // C exception don't allow classes, so it's a regular char array - char integer_string[32]; - sprintf(integer_string, "SEH, code: %lu\n", GetExceptionCode()); - throw std::exception(integer_string); - } -} - -//static -bool LLWindowWin32::sIsClassRegistered = false; - -bool LLWindowWin32::sLanguageTextInputAllowed = true; -bool LLWindowWin32::sWinIMEOpened = false; -HKL LLWindowWin32::sWinInputLocale = 0; -DWORD LLWindowWin32::sWinIMEConversionMode = IME_CMODE_NATIVE; -DWORD LLWindowWin32::sWinIMESentenceMode = IME_SMODE_AUTOMATIC; -LLCoordWindow LLWindowWin32::sWinIMEWindowPosition(-1,-1); - -// The following class LLWinImm delegates Windows IMM APIs. -// It was originally introduced to support US Windows XP, on which we needed -// to dynamically load IMM32.DLL and use GetProcAddress to resolve its entry -// points. Now that that's moot, we retain this wrapper only for hooks for -// metrics. - -class LLWinImm -{ -public: - static bool isAvailable() { return true; } - -public: - // Wrappers for IMM API. - static bool isIME(HKL hkl); - static HIMC getContext(HWND hwnd); - static bool releaseContext(HWND hwnd, HIMC himc); - static bool getOpenStatus(HIMC himc); - static bool setOpenStatus(HIMC himc, bool status); - static bool getConversionStatus(HIMC himc, LPDWORD conversion, LPDWORD sentence); - static bool setConversionStatus(HIMC himc, DWORD conversion, DWORD sentence); - static bool getCompositionWindow(HIMC himc, LPCOMPOSITIONFORM form); - static bool setCompositionWindow(HIMC himc, LPCOMPOSITIONFORM form); - static LONG getCompositionString(HIMC himc, DWORD index, LPVOID data, DWORD length); - static bool setCompositionString(HIMC himc, DWORD index, LPVOID pComp, DWORD compLength, LPVOID pRead, DWORD readLength); - static bool setCompositionFont(HIMC himc, LPLOGFONTW logfont); - static bool setCandidateWindow(HIMC himc, LPCANDIDATEFORM candidate_form); - static bool notifyIME(HIMC himc, DWORD action, DWORD index, DWORD value); -}; - -// static -bool LLWinImm::isIME(HKL hkl) -{ - return ImmIsIME(hkl); -} - -// static -HIMC LLWinImm::getContext(HWND hwnd) -{ - return ImmGetContext(hwnd); -} - -//static -bool LLWinImm::releaseContext(HWND hwnd, HIMC himc) -{ - return ImmReleaseContext(hwnd, himc); -} - -// static -bool LLWinImm::getOpenStatus(HIMC himc) -{ - return ImmGetOpenStatus(himc); -} - -// static -bool LLWinImm::setOpenStatus(HIMC himc, bool status) -{ - return ImmSetOpenStatus(himc, status); -} - -// static -bool LLWinImm::getConversionStatus(HIMC himc, LPDWORD conversion, LPDWORD sentence) -{ - return ImmGetConversionStatus(himc, conversion, sentence); -} - -// static -bool LLWinImm::setConversionStatus(HIMC himc, DWORD conversion, DWORD sentence) -{ - return ImmSetConversionStatus(himc, conversion, sentence); -} - -// static -bool LLWinImm::getCompositionWindow(HIMC himc, LPCOMPOSITIONFORM form) -{ - return ImmGetCompositionWindow(himc, form); -} - -// static -bool LLWinImm::setCompositionWindow(HIMC himc, LPCOMPOSITIONFORM form) -{ - return ImmSetCompositionWindow(himc, form); -} - - -// static -LONG LLWinImm::getCompositionString(HIMC himc, DWORD index, LPVOID data, DWORD length) -{ - return ImmGetCompositionString(himc, index, data, length); -} - - -// static -bool LLWinImm::setCompositionString(HIMC himc, DWORD index, LPVOID pComp, DWORD compLength, LPVOID pRead, DWORD readLength) -{ - return ImmSetCompositionString(himc, index, pComp, compLength, pRead, readLength); -} - -// static -bool LLWinImm::setCompositionFont(HIMC himc, LPLOGFONTW pFont) -{ - return ImmSetCompositionFont(himc, pFont); -} - -// static -bool LLWinImm::setCandidateWindow(HIMC himc, LPCANDIDATEFORM form) -{ - return ImmSetCandidateWindow(himc, form); -} - -// static -bool LLWinImm::notifyIME(HIMC himc, DWORD action, DWORD index, DWORD value) -{ - return ImmNotifyIME(himc, action, index, value); -} - - - -class LLMonitorInfo -{ -public: - - std::vector<std::string> getResolutionsList() { return mResList; } - - LLMonitorInfo() - { - EnumDisplayMonitors(0, 0, MonitorEnum, (LPARAM)this); - } - -private: - - static BOOL CALLBACK MonitorEnum(HMONITOR hMon, HDC hdc, LPRECT lprcMonitor, LPARAM pData) - { - int monitor_width = lprcMonitor->right - lprcMonitor->left; - int monitor_height = lprcMonitor->bottom - lprcMonitor->top; - - std::ostringstream sstream; - sstream << monitor_width << "x" << monitor_height;; - std::string res = sstream.str(); - - LLMonitorInfo* pThis = reinterpret_cast<LLMonitorInfo*>(pData); - pThis->mResList.push_back(res); - - return TRUE; - } - - std::vector<std::string> mResList; -}; - -static LLMonitorInfo sMonitorInfo; - - -// Thread that owns the Window Handle -// This whole struct is private to LLWindowWin32, which needs to mess with its -// members, which is why it's a struct rather than a class. In effect, we make -// the containing class a friend. -struct LLWindowWin32::LLWindowWin32Thread : public LL::ThreadPool -{ - static const int MAX_QUEUE_SIZE = 2048; - - LLThreadSafeQueue<MSG> mMessageQueue; - - LLWindowWin32Thread(); - - void run() override; - void close() override; - - // closes queue, wakes thread, waits until thread closes - void wakeAndDestroy(); - - void glReady() - { - mGLReady = true; - } - - // initialzie DXGI adapter (for querying available VRAM) - void initDX(); - - // initialize D3D (if DXGI cannot be used) - void initD3D(); - - //clean up DXGI/D3D resources - void cleanupDX(); - - /// called by main thread to post work to this window thread - template <typename CALLABLE> - void post(CALLABLE&& func) - { - // Ignore bool return. Shutdown timing is tricky: the main thread can - // end up trying to post a cursor position after having closed the - // WorkQueue. - getQueue().post(std::forward<CALLABLE>(func)); - } - - /** - * Like post(), Post() is a way of conveying a single work item to this - * thread. Its virtue is that it will definitely be executed "soon" rather - * than potentially waiting for the next frame: it uses PostMessage() to - * break us out of the window thread's blocked GetMessage() call. It's - * more expensive, though, not only from the Windows API latency of - * PostMessage() and GetMessage(), but also because it involves heap - * allocation and release. - * - * Require HWND from caller, even though we store an HWND locally. - * Otherwise, if our mWindowHandle was accessed from both threads, we'd - * have to protect it with a mutex. - */ - template <typename CALLABLE> - void Post(HWND windowHandle, CALLABLE&& func) - { - // Move func to the heap. If we knew FuncType could fit into LPARAM, - // we could simply instantiate FuncType and pass it by value. But - // since we don't, we must put that on the heap as well as the - // internal heap allocation it likely requires to store func. - auto ptr = new FuncType(std::move(func)); - WPARAM wparam{ 0xF1C }; - LL_DEBUGS("Window") << "PostMessage(" << std::hex << windowHandle - << ", " << WM_POST_FUNCTION_ - << ", " << wparam << std::dec << LL_ENDL; - PostMessage(windowHandle, WM_POST_FUNCTION_, wparam, LPARAM(ptr)); - } - - using FuncType = std::function<void()>; - // call GetMessage() and pull enqueue messages for later processing - void gatherInput(); - HWND mWindowHandleThrd = NULL; - HDC mhDCThrd = 0; - - // *HACK: Attempt to prevent startup crashes by deferring memory accounting - // until after some graphics setup. See SL-20177. -Cosmic,2023-09-18 - bool mGLReady = false; - - U32 mMaxVRAM = 0; // maximum amount of vram to allow in the "budget", or 0 for no maximum (see updateVRAMUsage) - - IDXGIAdapter3* mDXGIAdapter = nullptr; - LPDIRECT3D9 mD3D = nullptr; - LPDIRECT3DDEVICE9 mD3DDevice = nullptr; -}; - - -LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks, - const std::string& title, const std::string& name, S32 x, S32 y, S32 width, - S32 height, U32 flags, - bool fullscreen, bool clearBg, - bool enable_vsync, bool use_gl, - bool ignore_pixel_depth, - U32 fsaa_samples, - U32 max_cores, - U32 max_vram, - F32 max_gl_version) - : - LLWindow(callbacks, fullscreen, flags), - mMaxGLVersion(max_gl_version), - mMaxCores(max_cores) -{ - sMainThreadId = LLThread::currentID(); - mWindowThread = new LLWindowWin32Thread(); - mWindowThread->mMaxVRAM = max_vram; - - //MAINT-516 -- force a load of opengl32.dll just in case windows went sideways - LoadLibrary(L"opengl32.dll"); - - - if (mMaxCores != 0) - { - HANDLE hProcess = GetCurrentProcess(); - mMaxCores = llmin(mMaxCores, (U32) 64); - DWORD_PTR mask = 0; - - for (int i = 0; i < mMaxCores; ++i) - { - mask |= ((DWORD_PTR) 1) << i; - } - - SetProcessAffinityMask(hProcess, mask); - } - -#if 0 // this is probably a bad idea, but keep it in your back pocket if you see what looks like - // process deprioritization during profiles - // force high thread priority - HANDLE hProcess = GetCurrentProcess(); - - if (hProcess) - { - int priority = GetPriorityClass(hProcess); - if (priority < REALTIME_PRIORITY_CLASS) - { - if (SetPriorityClass(hProcess, REALTIME_PRIORITY_CLASS)) - { - LL_INFOS() << "Set process priority to REALTIME_PRIORITY_CLASS" << LL_ENDL; - } - else - { - LL_INFOS() << "Failed to set process priority: " << std::hex << GetLastError() << LL_ENDL; - } - } - } -#endif - -#if 0 // this is also probably a bad idea, but keep it in your back pocket for getting main thread off of background thread cores (see also LLThread::threadRun) - HANDLE hThread = GetCurrentThread(); - - SYSTEM_INFO sysInfo; - - GetSystemInfo(&sysInfo); - U32 core_count = sysInfo.dwNumberOfProcessors; - - if (max_cores != 0) - { - core_count = llmin(core_count, max_cores); - } - - if (hThread) - { - int priority = GetThreadPriority(hThread); - - if (priority < THREAD_PRIORITY_TIME_CRITICAL) - { - if (SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL)) - { - LL_INFOS() << "Set thread priority to THREAD_PRIORITY_TIME_CRITICAL" << LL_ENDL; - } - else - { - LL_INFOS() << "Failed to set thread priority: " << std::hex << GetLastError() << LL_ENDL; - } - - // tell main thread to prefer core 0 - SetThreadIdealProcessor(hThread, 0); - } - } -#endif - - - mFSAASamples = fsaa_samples; - mIconResource = gIconResource; - mOverrideAspectRatio = 0.f; - mNativeAspectRatio = 0.f; - mInputProcessingPaused = false; - mPreeditor = NULL; - mKeyCharCode = 0; - mKeyScanCode = 0; - mKeyVirtualKey = 0; - mhDC = NULL; - mhRC = NULL; - memset(mCurrentGammaRamp, 0, sizeof(mCurrentGammaRamp)); - memset(mPrevGammaRamp, 0, sizeof(mPrevGammaRamp)); - mCustomGammaSet = false; - mWindowHandle = NULL; - - mRect = {0, 0, 0, 0}; - mClientRect = {0, 0, 0, 0}; - - if (!SystemParametersInfo(SPI_GETMOUSEVANISH, 0, &mMouseVanish, 0)) - { - mMouseVanish = true; - } - - // Initialize the keyboard - gKeyboard = new LLKeyboardWin32(); - gKeyboard->setCallbacks(callbacks); - - // Initialize the Drag and Drop functionality - mDragDrop = new LLDragDropWin32; - - // Initialize (boot strap) the Language text input management, - // based on the system's (user's) default settings. - allowLanguageTextInput(mPreeditor, false); - - WNDCLASS wc; - RECT window_rect; - - // Set the window title - if (title.empty()) - { - mWindowTitle = new WCHAR[50]; - wsprintf(mWindowTitle, L"OpenGL Window"); - } - else - { - mWindowTitle = new WCHAR[256]; // Assume title length < 255 chars. - mbstowcs(mWindowTitle, title.c_str(), 255); - mWindowTitle[255] = 0; - } - - // Set the window class name - if (name.empty()) - { - mWindowClassName = new WCHAR[50]; - wsprintf(mWindowClassName, L"OpenGL Window"); - } - else - { - mWindowClassName = new WCHAR[256]; // Assume title length < 255 chars. - mbstowcs(mWindowClassName, name.c_str(), 255); - mWindowClassName[255] = 0; - } - - - // We're not clipping yet - SetRect( &mOldMouseClip, 0, 0, 0, 0 ); - - // Make an instance of our window then define the window class - mhInstance = GetModuleHandle(NULL); - - // Init Direct Input - needed for joystick / Spacemouse - - LPDIRECTINPUT8 di8_interface; - HRESULT status = DirectInput8Create( - mhInstance, // HINSTANCE hinst, - DIRECTINPUT_VERSION, // DWORD dwVersion, - IID_IDirectInput8, // REFIID riidltf, - (LPVOID*)&di8_interface, // LPVOID * ppvOut, - NULL // LPUNKNOWN punkOuter - ); - if (status == DI_OK) - { - gDirectInput8 = di8_interface; - } - - mSwapMethod = SWAP_METHOD_UNDEFINED; - - // No WPARAM yet. - mLastSizeWParam = 0; - - // Windows GDI rects don't include rightmost pixel - window_rect.left = (long) 0; - window_rect.right = (long) width; - window_rect.top = (long) 0; - window_rect.bottom = (long) height; - - // Grab screen size to sanitize the window - S32 window_border_y = GetSystemMetrics(SM_CYBORDER); - S32 virtual_screen_x = GetSystemMetrics(SM_XVIRTUALSCREEN); - S32 virtual_screen_y = GetSystemMetrics(SM_YVIRTUALSCREEN); - S32 virtual_screen_width = GetSystemMetrics(SM_CXVIRTUALSCREEN); - S32 virtual_screen_height = GetSystemMetrics(SM_CYVIRTUALSCREEN); - - if (x < virtual_screen_x) x = virtual_screen_x; - if (y < virtual_screen_y - window_border_y) y = virtual_screen_y - window_border_y; - - if (x + width > virtual_screen_x + virtual_screen_width) x = virtual_screen_x + virtual_screen_width - width; - if (y + height > virtual_screen_y + virtual_screen_height) y = virtual_screen_y + virtual_screen_height - height; - - if (!sIsClassRegistered) - { - // Force redraw when resized and create a private device context - - // Makes double click messages. - wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS; - - // Set message handler function - wc.lpfnWndProc = (WNDPROC) mainWindowProc; - - // unused - wc.cbClsExtra = 0; - wc.cbWndExtra = 0; - - wc.hInstance = mhInstance; - wc.hIcon = LoadIcon(mhInstance, mIconResource); - - // We will set the cursor ourselves - wc.hCursor = NULL; - - // background color is not used - if (clearBg) - { - wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH); - } - else - { - wc.hbrBackground = (HBRUSH) NULL; - } - - // we don't use windows menus - wc.lpszMenuName = NULL; - - wc.lpszClassName = mWindowClassName; - - if (!RegisterClass(&wc)) - { - OSMessageBox(mCallbacks->translateString("MBRegClassFailed"), - mCallbacks->translateString("MBError"), OSMB_OK); - return; - } - sIsClassRegistered = true; - } - - //----------------------------------------------------------------------- - // Get the current refresh rate - //----------------------------------------------------------------------- - - DEVMODE dev_mode; - ::ZeroMemory(&dev_mode, sizeof(DEVMODE)); - dev_mode.dmSize = sizeof(DEVMODE); - DWORD current_refresh; - if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode)) - { - current_refresh = dev_mode.dmDisplayFrequency; - mNativeAspectRatio = ((F32)dev_mode.dmPelsWidth) / ((F32)dev_mode.dmPelsHeight); - } - else - { - current_refresh = 60; - } - mRefreshRate = current_refresh; - //----------------------------------------------------------------------- - // Drop resolution and go fullscreen - // use a display mode with our desired size and depth, with a refresh - // rate as close at possible to the users' default - //----------------------------------------------------------------------- - if (mFullscreen) - { - bool success = false; - DWORD closest_refresh = 0; - - for (S32 mode_num = 0;; mode_num++) - { - if (!EnumDisplaySettings(NULL, mode_num, &dev_mode)) - { - break; - } - - if (dev_mode.dmPelsWidth == width && - dev_mode.dmPelsHeight == height && - dev_mode.dmBitsPerPel == BITS_PER_PIXEL) - { - success = true; - if ((dev_mode.dmDisplayFrequency - current_refresh) - < (closest_refresh - current_refresh)) - { - closest_refresh = dev_mode.dmDisplayFrequency; - } - } - } - - if (closest_refresh == 0) - { - LL_WARNS("Window") << "Couldn't find display mode " << width << " by " << height << " at " << BITS_PER_PIXEL << " bits per pixel" << LL_ENDL; - //success = false; - - if (!EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode)) - { - success = false; - } - else - { - if (dev_mode.dmBitsPerPel == BITS_PER_PIXEL) - { - LL_WARNS("Window") << "Current BBP is OK falling back to that" << LL_ENDL; - window_rect.right=width=dev_mode.dmPelsWidth; - window_rect.bottom=height=dev_mode.dmPelsHeight; - success = true; - } - else - { - LL_WARNS("Window") << "Current BBP is BAD" << LL_ENDL; - success = false; - } - } - } - - // If we found a good resolution, use it. - if (success) - { - success = setDisplayResolution(width, height, BITS_PER_PIXEL, closest_refresh); - } - - // Keep a copy of the actual current device mode in case we minimize - // and change the screen resolution. JC - EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode); - - // If it failed, we don't want to run fullscreen - if (success) - { - mFullscreen = true; - mFullscreenWidth = dev_mode.dmPelsWidth; - mFullscreenHeight = dev_mode.dmPelsHeight; - mFullscreenBits = dev_mode.dmBitsPerPel; - mFullscreenRefresh = dev_mode.dmDisplayFrequency; - - LL_INFOS("Window") << "Running at " << dev_mode.dmPelsWidth - << "x" << dev_mode.dmPelsHeight - << "x" << dev_mode.dmBitsPerPel - << " @ " << dev_mode.dmDisplayFrequency - << LL_ENDL; - } - else - { - mFullscreen = false; - mFullscreenWidth = -1; - mFullscreenHeight = -1; - mFullscreenBits = -1; - mFullscreenRefresh = -1; - - std::map<std::string,std::string> args; - args["[WIDTH]"] = llformat("%d", width); - args["[HEIGHT]"] = llformat ("%d", height); - OSMessageBox(mCallbacks->translateString("MBFullScreenErr", args), - mCallbacks->translateString("MBError"), OSMB_OK); - } - } - - // TODO: add this after resolving _WIN32_WINNT issue - // if (!fullscreen) - // { - // TRACKMOUSEEVENT track_mouse_event; - // track_mouse_event.cbSize = sizeof( TRACKMOUSEEVENT ); - // track_mouse_event.dwFlags = TME_LEAVE; - // track_mouse_event.hwndTrack = mWindowHandle; - // track_mouse_event.dwHoverTime = HOVER_DEFAULT; - // TrackMouseEvent( &track_mouse_event ); - // } - - // SL-12971 dual GPU display - DISPLAY_DEVICEA display_device; - int display_index = -1; - DWORD display_flags = 0; // EDD_GET_DEVICE_INTERFACE_NAME ? - const size_t display_bytes = sizeof(display_device); - - do - { - if (display_index >= 0) - { - // CHAR DeviceName [ 32] Adapter name - // CHAR DeviceString[128] - CHAR text[256]; - - size_t name_len = strlen(display_device.DeviceName ); - size_t desc_len = strlen(display_device.DeviceString); - - CHAR *name = name_len ? display_device.DeviceName : "???"; - CHAR *desc = desc_len ? display_device.DeviceString : "???"; - - sprintf(text, "Display Device %d: %s, %s", display_index, name, desc); - LL_INFOS("Window") << text << LL_ENDL; - } - - ::ZeroMemory(&display_device,display_bytes); - display_device.cb = display_bytes; - - display_index++; - } while( EnumDisplayDevicesA(NULL, display_index, &display_device, display_flags )); - - LL_INFOS("Window") << "Total Display Devices: " << display_index << LL_ENDL; - - //----------------------------------------------------------------------- - // Create GL drawing context - //----------------------------------------------------------------------- - LLCoordScreen windowPos(x,y); - LLCoordScreen windowSize(window_rect.right - window_rect.left, - window_rect.bottom - window_rect.top); - if (!switchContext(mFullscreen, windowSize, enable_vsync, &windowPos)) - { - return; - } - - //start with arrow cursor - initCursors(); - setCursor( UI_CURSOR_ARROW ); - - mRawMouse.usUsagePage = 0x01; // HID_USAGE_PAGE_GENERIC - mRawMouse.usUsage = 0x02; // HID_USAGE_GENERIC_MOUSE - mRawMouse.dwFlags = 0; // adds mouse and also ignores legacy mouse messages - mRawMouse.hwndTarget = 0; - - RegisterRawInputDevices(&mRawMouse, 1, sizeof(mRawMouse)); - - // Initialize (boot strap) the Language text input management, - // based on the system's (or user's) default settings. - allowLanguageTextInput(NULL, false); -} - - -LLWindowWin32::~LLWindowWin32() -{ - delete mDragDrop; - - delete [] mWindowTitle; - mWindowTitle = NULL; - - delete [] mSupportedResolutions; - mSupportedResolutions = NULL; - - delete [] mWindowClassName; - mWindowClassName = NULL; - - delete mWindowThread; -} - -void LLWindowWin32::show() -{ - LL_DEBUGS("Window") << "Setting window to show" << LL_ENDL; - ShowWindow(mWindowHandle, SW_SHOW); - SetForegroundWindow(mWindowHandle); - SetFocus(mWindowHandle); -} - -void LLWindowWin32::hide() -{ - setMouseClipping(false); - ShowWindow(mWindowHandle, SW_HIDE); -} - -//virtual -void LLWindowWin32::minimize() -{ - setMouseClipping(false); - showCursor(); - ShowWindow(mWindowHandle, SW_MINIMIZE); -} - -//virtual -void LLWindowWin32::restore() -{ - ShowWindow(mWindowHandle, SW_RESTORE); - SetForegroundWindow(mWindowHandle); - SetFocus(mWindowHandle); -} - -// See SL-12170 -// According to callstack "c0000005 Access violation" happened inside __try block, -// deep in DestroyWindow and crashed viewer, which shouldn't be possible. -// I tried manually causing this exception and it was caught without issues, so -// I'm turning off optimizations for this part to be sure code executes as intended -// (it is a straw, but I have no idea why else __try can get overruled) -#pragma optimize("", off) -bool destroy_window_handler(HWND hWnd) -{ - bool res; - __try - { - res = DestroyWindow(hWnd); - } - __except (EXCEPTION_EXECUTE_HANDLER) - { - res = false; - } - return res; -} -#pragma optimize("", on) - -// close() destroys all OS-specific code associated with a window. -// Usually called from LLWindowManager::destroyWindow() -void LLWindowWin32::close() -{ - LL_DEBUGS("Window") << "Closing LLWindowWin32" << LL_ENDL; - // Is window is already closed? - if (!mWindowHandle) - { - return; - } - - mDragDrop->reset(); - - - // Go back to screen mode written in the registry. - if (mFullscreen) - { - resetDisplayResolution(); - } - - // Make sure cursor is visible and we haven't mangled the clipping state. - showCursor(); - setMouseClipping(false); - if (gKeyboard) - { - gKeyboard->resetKeys(); - } - - // Clean up remaining GL state - if (gGLManager.mInited) - { - LL_INFOS("Window") << "Cleaning up GL" << LL_ENDL; - gGLManager.shutdownGL(); - } - - LL_DEBUGS("Window") << "Releasing Context" << LL_ENDL; - if (mhRC) - { - if (!wglMakeCurrent(NULL, NULL)) - { - LL_WARNS("Window") << "Release of DC and RC failed" << LL_ENDL; - } - - if (!wglDeleteContext(mhRC)) - { - LL_WARNS("Window") << "Release of rendering context failed" << LL_ENDL; - } - - mhRC = NULL; - } - - // Restore gamma to the system values. - restoreGamma(); - - LL_DEBUGS("Window") << "Destroying Window" << LL_ENDL; - - mhDC = NULL; - mWindowHandle = NULL; - - mWindowThread->wakeAndDestroy(); -} - -bool LLWindowWin32::isValid() -{ - return (mWindowHandle != NULL); -} - -bool LLWindowWin32::getVisible() -{ - return (mWindowHandle && IsWindowVisible(mWindowHandle)); -} - -bool LLWindowWin32::getMinimized() -{ - return (mWindowHandle && IsIconic(mWindowHandle)); -} - -bool LLWindowWin32::getMaximized() -{ - return (mWindowHandle && IsZoomed(mWindowHandle)); -} - -bool LLWindowWin32::maximize() -{ - bool success = false; - if (!mWindowHandle) return success; - - mWindowThread->post([=] - { - WINDOWPLACEMENT placement; - placement.length = sizeof(WINDOWPLACEMENT); - - if (GetWindowPlacement(mWindowHandle, &placement)) - { - placement.showCmd = SW_MAXIMIZE; - SetWindowPlacement(mWindowHandle, &placement); - } - }); - - return true; -} - -bool LLWindowWin32::getFullscreen() -{ - return mFullscreen; -} - -bool LLWindowWin32::getPosition(LLCoordScreen *position) -{ - position->mX = mRect.left; - position->mY = mRect.top; - return true; -} - -bool LLWindowWin32::getSize(LLCoordScreen *size) -{ - size->mX = mRect.right - mRect.left; - size->mY = mRect.bottom - mRect.top; - return true; -} - -bool LLWindowWin32::getSize(LLCoordWindow *size) -{ - size->mX = mClientRect.right - mClientRect.left; - size->mY = mClientRect.bottom - mClientRect.top; - return true; -} - -bool LLWindowWin32::setPosition(const LLCoordScreen position) -{ - LLCoordScreen size; - - if (!mWindowHandle) - { - return false; - } - getSize(&size); - moveWindow(position, size); - return true; -} - -bool LLWindowWin32::setSizeImpl(const LLCoordScreen size) -{ - LLCoordScreen position; - - getPosition(&position); - if (!mWindowHandle) - { - return false; - } - - mWindowThread->post([=]() - { - WINDOWPLACEMENT placement; - placement.length = sizeof(WINDOWPLACEMENT); - - if (GetWindowPlacement(mWindowHandle, &placement)) - { - placement.showCmd = SW_RESTORE; - SetWindowPlacement(mWindowHandle, &placement); - } - }); - - moveWindow(position, size); - return true; -} - -bool LLWindowWin32::setSizeImpl(const LLCoordWindow size) -{ - RECT window_rect = {0, 0, size.mX, size.mY }; - DWORD dw_ex_style = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE; - DWORD dw_style = WS_OVERLAPPEDWINDOW; - - AdjustWindowRectEx(&window_rect, dw_style, FALSE, dw_ex_style); - - return setSizeImpl(LLCoordScreen(window_rect.right - window_rect.left, window_rect.bottom - window_rect.top)); -} - -// changing fullscreen resolution -bool LLWindowWin32::switchContext(bool fullscreen, const LLCoordScreen& size, bool enable_vsync, const LLCoordScreen* const posp) -{ - //called from main thread - GLuint pixel_format; - DEVMODE dev_mode; - ::ZeroMemory(&dev_mode, sizeof(DEVMODE)); - dev_mode.dmSize = sizeof(DEVMODE); - DWORD current_refresh; - DWORD dw_ex_style; - DWORD dw_style; - RECT window_rect = { 0, 0, 0, 0 }; - S32 width = size.mX; - S32 height = size.mY; - bool auto_show = false; - - if (mhRC) - { - auto_show = true; - resetDisplayResolution(); - } - - if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode)) - { - current_refresh = dev_mode.dmDisplayFrequency; - } - else - { - current_refresh = 60; - } - mRefreshRate = current_refresh; - - gGLManager.shutdownGL(); - //destroy gl context - if (mhRC) - { - if (!wglMakeCurrent(NULL, NULL)) - { - LL_WARNS("Window") << "Release of DC and RC failed" << LL_ENDL; - } - - if (!wglDeleteContext(mhRC)) - { - LL_WARNS("Window") << "Release of rendering context failed" << LL_ENDL; - } - - mhRC = NULL; - } - - if (fullscreen) - { - mFullscreen = true; - bool success = false; - DWORD closest_refresh = 0; - - for (S32 mode_num = 0;; mode_num++) - { - if (!EnumDisplaySettings(NULL, mode_num, &dev_mode)) - { - break; - } - - if (dev_mode.dmPelsWidth == width && - dev_mode.dmPelsHeight == height && - dev_mode.dmBitsPerPel == BITS_PER_PIXEL) - { - success = true; - if ((dev_mode.dmDisplayFrequency - current_refresh) - < (closest_refresh - current_refresh)) - { - closest_refresh = dev_mode.dmDisplayFrequency; - } - } - } - - if (closest_refresh == 0) - { - LL_WARNS("Window") << "Couldn't find display mode " << width << " by " << height << " at " << BITS_PER_PIXEL << " bits per pixel" << LL_ENDL; - return false; - } - - // If we found a good resolution, use it. - if (success) - { - success = setDisplayResolution(width, height, BITS_PER_PIXEL, closest_refresh); - } - - // Keep a copy of the actual current device mode in case we minimize - // and change the screen resolution. JC - EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode); - - if (success) - { - mFullscreen = true; - mFullscreenWidth = dev_mode.dmPelsWidth; - mFullscreenHeight = dev_mode.dmPelsHeight; - mFullscreenBits = dev_mode.dmBitsPerPel; - mFullscreenRefresh = dev_mode.dmDisplayFrequency; - - LL_INFOS("Window") << "Running at " << dev_mode.dmPelsWidth - << "x" << dev_mode.dmPelsHeight - << "x" << dev_mode.dmBitsPerPel - << " @ " << dev_mode.dmDisplayFrequency - << LL_ENDL; - - window_rect.left = (long)0; - window_rect.right = (long)width; // Windows GDI rects don't include rightmost pixel - window_rect.top = (long)0; - window_rect.bottom = (long)height; - dw_ex_style = WS_EX_APPWINDOW; - dw_style = WS_POPUP; - - // Move window borders out not to cover window contents. - // This converts client rect to window rect, i.e. expands it by the window border size. - AdjustWindowRectEx(&window_rect, dw_style, FALSE, dw_ex_style); - } - // If it failed, we don't want to run fullscreen - else - { - mFullscreen = false; - mFullscreenWidth = -1; - mFullscreenHeight = -1; - mFullscreenBits = -1; - mFullscreenRefresh = -1; - - LL_INFOS("Window") << "Unable to run fullscreen at " << width << "x" << height << LL_ENDL; - return false; - } - } - else - { - mFullscreen = false; - window_rect.left = (long)(posp ? posp->mX : 0); - window_rect.right = (long)width + window_rect.left; // Windows GDI rects don't include rightmost pixel - window_rect.top = (long)(posp ? posp->mY : 0); - window_rect.bottom = (long)height + window_rect.top; - // Window with an edge - dw_ex_style = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE; - dw_style = WS_OVERLAPPEDWINDOW; - } - - - // don't post quit messages when destroying old windows - mPostQuit = false; - - - // create window - LL_DEBUGS("Window") << "Creating window with X: " << window_rect.left - << " Y: " << window_rect.top - << " Width: " << (window_rect.right - window_rect.left) - << " Height: " << (window_rect.bottom - window_rect.top) - << " Fullscreen: " << mFullscreen - << LL_ENDL; - - recreateWindow(window_rect, dw_ex_style, dw_style); - - if (mWindowHandle) - { - LL_INFOS("Window") << "window is created." << LL_ENDL ; - } - else - { - LL_WARNS("Window") << "Window creation failed, code: " << GetLastError() << LL_ENDL; - } - - //----------------------------------------------------------------------- - // Create GL drawing context - //----------------------------------------------------------------------- - static PIXELFORMATDESCRIPTOR pfd = - { - sizeof(PIXELFORMATDESCRIPTOR), - 1, - PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER, - PFD_TYPE_RGBA, - BITS_PER_PIXEL, - 0, 0, 0, 0, 0, 0, // RGB bits and shift, unused - 8, // alpha bits - 0, // alpha shift - 0, // accum bits - 0, 0, 0, 0, // accum RGBA - 24, // depth bits - 8, // stencil bits, avi added for stencil test - 0, - PFD_MAIN_PLANE, - 0, - 0, 0, 0 - }; - - if (!mhDC) - { - close(); - OSMessageBox(mCallbacks->translateString("MBDevContextErr"), - mCallbacks->translateString("MBError"), OSMB_OK); - return false; - } - - LL_INFOS("Window") << "Device context retrieved." << LL_ENDL ; - - try - { - // Looks like ChoosePixelFormat can crash in case of faulty driver - if (!(pixel_format = SafeChoosePixelFormat(mhDC, &pfd))) - { - LL_WARNS("Window") << "ChoosePixelFormat failed, code: " << GetLastError() << LL_ENDL; - OSMessageBox(mCallbacks->translateString("MBPixelFmtErr"), - mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - } - catch (...) - { - LOG_UNHANDLED_EXCEPTION("ChoosePixelFormat"); - OSMessageBox(mCallbacks->translateString("MBPixelFmtErr"), - mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - LL_INFOS("Window") << "Pixel format chosen." << LL_ENDL ; - - // Verify what pixel format we actually received. - if (!DescribePixelFormat(mhDC, pixel_format, sizeof(PIXELFORMATDESCRIPTOR), - &pfd)) - { - OSMessageBox(mCallbacks->translateString("MBPixelFmtDescErr"), - mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - // (EXP-1765) dump pixel data to see if there is a pattern that leads to unreproducible crash - LL_INFOS("Window") << "--- begin pixel format dump ---" << LL_ENDL ; - LL_INFOS("Window") << "pixel_format is " << pixel_format << LL_ENDL ; - LL_INFOS("Window") << "pfd.nSize: " << pfd.nSize << LL_ENDL ; - LL_INFOS("Window") << "pfd.nVersion: " << pfd.nVersion << LL_ENDL ; - LL_INFOS("Window") << "pfd.dwFlags: 0x" << std::hex << pfd.dwFlags << std::dec << LL_ENDL ; - LL_INFOS("Window") << "pfd.iPixelType: " << (int)pfd.iPixelType << LL_ENDL ; - LL_INFOS("Window") << "pfd.cColorBits: " << (int)pfd.cColorBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cRedBits: " << (int)pfd.cRedBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cRedShift: " << (int)pfd.cRedShift << LL_ENDL ; - LL_INFOS("Window") << "pfd.cGreenBits: " << (int)pfd.cGreenBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cGreenShift: " << (int)pfd.cGreenShift << LL_ENDL ; - LL_INFOS("Window") << "pfd.cBlueBits: " << (int)pfd.cBlueBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cBlueShift: " << (int)pfd.cBlueShift << LL_ENDL ; - LL_INFOS("Window") << "pfd.cAlphaBits: " << (int)pfd.cAlphaBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cAlphaShift: " << (int)pfd.cAlphaShift << LL_ENDL ; - LL_INFOS("Window") << "pfd.cAccumBits: " << (int)pfd.cAccumBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cAccumRedBits: " << (int)pfd.cAccumRedBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cAccumGreenBits: " << (int)pfd.cAccumGreenBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cAccumBlueBits: " << (int)pfd.cAccumBlueBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cAccumAlphaBits: " << (int)pfd.cAccumAlphaBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cDepthBits: " << (int)pfd.cDepthBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cStencilBits: " << (int)pfd.cStencilBits << LL_ENDL ; - LL_INFOS("Window") << "pfd.cAuxBuffers: " << (int)pfd.cAuxBuffers << LL_ENDL ; - LL_INFOS("Window") << "pfd.iLayerType: " << (int)pfd.iLayerType << LL_ENDL ; - LL_INFOS("Window") << "pfd.bReserved: " << (int)pfd.bReserved << LL_ENDL ; - LL_INFOS("Window") << "pfd.dwLayerMask: " << pfd.dwLayerMask << LL_ENDL ; - LL_INFOS("Window") << "pfd.dwVisibleMask: " << pfd.dwVisibleMask << LL_ENDL ; - LL_INFOS("Window") << "pfd.dwDamageMask: " << pfd.dwDamageMask << LL_ENDL ; - LL_INFOS("Window") << "--- end pixel format dump ---" << LL_ENDL ; - - if (!SetPixelFormat(mhDC, pixel_format, &pfd)) - { - OSMessageBox(mCallbacks->translateString("MBPixelFmtSetErr"), - mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - - if (!(mhRC = SafeCreateContext(mhDC))) - { - OSMessageBox(mCallbacks->translateString("MBGLContextErr"), - mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - if (!wglMakeCurrent(mhDC, mhRC)) - { - OSMessageBox(mCallbacks->translateString("MBGLContextActErr"), - mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - LL_INFOS("Window") << "Drawing context is created." << LL_ENDL ; - - gGLManager.initWGL(); - - if (wglChoosePixelFormatARB) - { - // OK, at this point, use the ARB wglChoosePixelFormatsARB function to see if we - // can get exactly what we want. - GLint attrib_list[256]; - S32 cur_attrib = 0; - - attrib_list[cur_attrib++] = WGL_DEPTH_BITS_ARB; - attrib_list[cur_attrib++] = 24; - - //attrib_list[cur_attrib++] = WGL_STENCIL_BITS_ARB; //stencil buffer is deprecated (performance penalty) - //attrib_list[cur_attrib++] = 8; - - attrib_list[cur_attrib++] = WGL_DRAW_TO_WINDOW_ARB; - attrib_list[cur_attrib++] = GL_TRUE; - - attrib_list[cur_attrib++] = WGL_ACCELERATION_ARB; - attrib_list[cur_attrib++] = WGL_FULL_ACCELERATION_ARB; - - attrib_list[cur_attrib++] = WGL_SUPPORT_OPENGL_ARB; - attrib_list[cur_attrib++] = GL_TRUE; - - attrib_list[cur_attrib++] = WGL_DOUBLE_BUFFER_ARB; - attrib_list[cur_attrib++] = GL_TRUE; - - attrib_list[cur_attrib++] = WGL_COLOR_BITS_ARB; - attrib_list[cur_attrib++] = 24; - - attrib_list[cur_attrib++] = WGL_ALPHA_BITS_ARB; - attrib_list[cur_attrib++] = 0; - - U32 end_attrib = 0; - if (mFSAASamples > 0) - { - end_attrib = cur_attrib; - attrib_list[cur_attrib++] = WGL_SAMPLE_BUFFERS_ARB; - attrib_list[cur_attrib++] = GL_TRUE; - - attrib_list[cur_attrib++] = WGL_SAMPLES_ARB; - attrib_list[cur_attrib++] = mFSAASamples; - } - - // End the list - attrib_list[cur_attrib++] = 0; - - GLint pixel_formats[256]; - U32 num_formats = 0; - - // First we try and get a 32 bit depth pixel format - BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats); - - while(!result && mFSAASamples > 0) - { - LL_WARNS() << "FSAASamples: " << mFSAASamples << " not supported." << LL_ENDL ; - - mFSAASamples /= 2 ; //try to decrease sample pixel number until to disable anti-aliasing - if(mFSAASamples < 2) - { - mFSAASamples = 0 ; - } - - if (mFSAASamples > 0) - { - attrib_list[end_attrib + 3] = mFSAASamples; - } - else - { - cur_attrib = end_attrib ; - end_attrib = 0 ; - attrib_list[cur_attrib++] = 0 ; //end - } - result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats); - - if(result) - { - LL_WARNS() << "Only support FSAASamples: " << mFSAASamples << LL_ENDL ; - } - } - - if (!result) - { - LL_WARNS() << "mFSAASamples: " << mFSAASamples << LL_ENDL ; - - close(); - show_window_creation_error("Error after wglChoosePixelFormatARB 32-bit"); - return false; - } - - if (!num_formats) - { - if (end_attrib > 0) - { - LL_INFOS("Window") << "No valid pixel format for " << mFSAASamples << "x anti-aliasing." << LL_ENDL; - attrib_list[end_attrib] = 0; - - BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats); - if (!result) - { - close(); - show_window_creation_error("Error after wglChoosePixelFormatARB 32-bit no AA"); - return false; - } - } - - if (!num_formats) - { - LL_INFOS("Window") << "No 32 bit z-buffer, trying 24 bits instead" << LL_ENDL; - // Try 24-bit format - attrib_list[1] = 24; - BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats); - if (!result) - { - close(); - show_window_creation_error("Error after wglChoosePixelFormatARB 24-bit"); - return false; - } - - if (!num_formats) - { - LL_WARNS("Window") << "Couldn't get 24 bit z-buffer,trying 16 bits instead!" << LL_ENDL; - attrib_list[1] = 16; - BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats); - if (!result || !num_formats) - { - close(); - show_window_creation_error("Error after wglChoosePixelFormatARB 16-bit"); - return false; - } - } - } - - LL_INFOS("Window") << "Choosing pixel formats: " << num_formats << " pixel formats returned" << LL_ENDL; - } - - LL_INFOS("Window") << "pixel formats done." << LL_ENDL ; - - S32 swap_method = 0; - S32 cur_format = 0; -const S32 max_format = (S32)num_formats - 1; - GLint swap_query = WGL_SWAP_METHOD_ARB; - - // SL-14705 Fix name tags showing in front of objects with AMD GPUs. - // On AMD hardware we need to iterate from the first pixel format to the end. - // Spec: - // https://www.khronos.org/registry/OpenGL/extensions/ARB/WGL_ARB_pixel_format.txt - while (wglGetPixelFormatAttribivARB(mhDC, pixel_formats[cur_format], 0, 1, &swap_query, &swap_method)) - { - if (swap_method == WGL_SWAP_UNDEFINED_ARB) - { - break; - } - else if (cur_format >= max_format) - { - cur_format = 0; - break; - } - - ++cur_format; - } - - pixel_format = pixel_formats[cur_format]; - - if (mhDC != 0) // Does The Window Have A Device Context? - { - wglMakeCurrent(mhDC, 0); // Set The Current Active Rendering Context To Zero - if (mhRC != 0) // Does The Window Have A Rendering Context? - { - wglDeleteContext (mhRC); // Release The Rendering Context - mhRC = 0; // Zero The Rendering Context - } - } - - // will release and recreate mhDC, mWindowHandle - recreateWindow(window_rect, dw_ex_style, dw_style); - - RECT rect; - RECT client_rect; - //initialize immediately on main thread - if (GetWindowRect(mWindowHandle, &rect) && - GetClientRect(mWindowHandle, &client_rect)) - { - mRect = rect; - mClientRect = client_rect; - }; - - if (mWindowHandle) - { - LL_INFOS("Window") << "recreate window done." << LL_ENDL ; - } - else - { - // Note: if value is NULL GetDC retrieves the DC for the entire screen. - LL_WARNS("Window") << "Window recreation failed, code: " << GetLastError() << LL_ENDL; - } - - if (!mhDC) - { - OSMessageBox(mCallbacks->translateString("MBDevContextErr"), mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - if (!SetPixelFormat(mhDC, pixel_format, &pfd)) - { - OSMessageBox(mCallbacks->translateString("MBPixelFmtSetErr"), - mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - if (wglGetPixelFormatAttribivARB(mhDC, pixel_format, 0, 1, &swap_query, &swap_method)) - { - switch (swap_method) - { - case WGL_SWAP_EXCHANGE_ARB: - mSwapMethod = SWAP_METHOD_EXCHANGE; - LL_DEBUGS("Window") << "Swap Method: Exchange" << LL_ENDL; - break; - case WGL_SWAP_COPY_ARB: - mSwapMethod = SWAP_METHOD_COPY; - LL_DEBUGS("Window") << "Swap Method: Copy" << LL_ENDL; - break; - case WGL_SWAP_UNDEFINED_ARB: - mSwapMethod = SWAP_METHOD_UNDEFINED; - LL_DEBUGS("Window") << "Swap Method: Undefined" << LL_ENDL; - break; - default: - mSwapMethod = SWAP_METHOD_UNDEFINED; - LL_DEBUGS("Window") << "Swap Method: Unknown" << LL_ENDL; - break; - } - } - } - else - { - LL_WARNS("Window") << "No wgl_ARB_pixel_format extension, using default ChoosePixelFormat!" << LL_ENDL; - } - - // Verify what pixel format we actually received. - if (!DescribePixelFormat(mhDC, pixel_format, sizeof(PIXELFORMATDESCRIPTOR), - &pfd)) - { - OSMessageBox(mCallbacks->translateString("MBPixelFmtDescErr"), mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - LL_INFOS("Window") << "GL buffer: Color Bits " << S32(pfd.cColorBits) - << " Alpha Bits " << S32(pfd.cAlphaBits) - << " Depth Bits " << S32(pfd.cDepthBits) - << LL_ENDL; - - mhRC = 0; - if (wglCreateContextAttribsARB) - { //attempt to create a specific versioned context - mhRC = (HGLRC) createSharedContext(); - if (!mhRC) - { - return false; - } - } - - if (!wglMakeCurrent(mhDC, mhRC)) - { - OSMessageBox(mCallbacks->translateString("MBGLContextActErr"), mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - if (!gGLManager.initGL()) - { - OSMessageBox(mCallbacks->translateString("MBVideoDrvErr"), mCallbacks->translateString("MBError"), OSMB_OK); - close(); - return false; - } - - // Disable vertical sync for swap - toggleVSync(enable_vsync); - - SetWindowLongPtr(mWindowHandle, GWLP_USERDATA, (LONG_PTR)this); - - // register this window as handling drag/drop events from the OS - DragAcceptFiles( mWindowHandle, TRUE ); - - mDragDrop->init( mWindowHandle ); - - //register joystick timer callback - SetTimer( mWindowHandle, 0, 1000 / 30, NULL ); // 30 fps timer - - // ok to post quit messages now - mPostQuit = true; - - // *HACK: Attempt to prevent startup crashes by deferring memory accounting - // until after some graphics setup. See SL-20177. -Cosmic,2023-09-18 - mWindowThread->post([=]() - { - mWindowThread->glReady(); - }); - - if (auto_show) - { - show(); - glClearColor(0.0f, 0.0f, 0.0f, 0.f); - glClear(GL_COLOR_BUFFER_BIT); - swapBuffers(); - } - - LL_PROFILER_GPU_CONTEXT; - - return true; -} - -void LLWindowWin32::recreateWindow(RECT window_rect, DWORD dw_ex_style, DWORD dw_style) -{ - auto oldWindowHandle = mWindowHandle; - auto oldDCHandle = mhDC; - - // zero out mWindowHandle and mhDC before destroying window so window - // thread falls back to peekmessage - mWindowHandle = 0; - mhDC = 0; - - std::promise<std::pair<HWND, HDC>> promise; - // What follows must be done on the window thread. - auto window_work = - [this, - self=mWindowThread, - oldWindowHandle, - oldDCHandle, - // bind CreateWindowEx() parameters by value instead of - // back-referencing LLWindowWin32 members - windowClassName=mWindowClassName, - windowTitle=mWindowTitle, - hInstance=mhInstance, - window_rect, - dw_ex_style, - dw_style, - &promise] - () - { - LL_DEBUGS("Window") << "recreateWindow(): window_work entry" << LL_ENDL; - self->mWindowHandleThrd = 0; - self->mhDCThrd = 0; - - if (oldWindowHandle) - { - if (oldDCHandle && !ReleaseDC(oldWindowHandle, oldDCHandle)) - { - LL_WARNS("Window") << "Failed to ReleaseDC" << LL_ENDL; - } - - // important to call DestroyWindow() from the window thread - if (!destroy_window_handler(oldWindowHandle)) - { - - LL_WARNS("Window") << "Failed to properly close window before recreating it!" - << LL_ENDL; - } - } - - auto handle = CreateWindowEx(dw_ex_style, - windowClassName, - windowTitle, - WS_CLIPSIBLINGS | WS_CLIPCHILDREN | dw_style, - window_rect.left, // x pos - window_rect.top, // y pos - window_rect.right - window_rect.left, // width - window_rect.bottom - window_rect.top, // height - NULL, - NULL, - hInstance, - NULL); - - if (! handle) - { - // Failed to create window: clear the variables. This - // assignment is valid because we're running on mWindowThread. - self->mWindowHandleThrd = NULL; - self->mhDCThrd = 0; - } - else - { - // Update mWindowThread's own mWindowHandle and mhDC. - self->mWindowHandleThrd = handle; - self->mhDCThrd = GetDC(handle); - } - - updateWindowRect(); - - // It's important to wake up the future either way. - promise.set_value(std::make_pair(self->mWindowHandleThrd, self->mhDCThrd)); - LL_DEBUGS("Window") << "recreateWindow(): window_work done" << LL_ENDL; - }; - // But how we pass window_work to the window thread depends on whether we - // already have a window handle. - if (!oldWindowHandle) - { - // Pass window_work using the WorkQueue: without an existing window - // handle, the window thread can't call GetMessage(). - LL_DEBUGS("Window") << "posting window_work to WorkQueue" << LL_ENDL; - mWindowThread->post(window_work); - } - else - { - // Pass window_work using PostMessage(). We can still - // PostMessage(oldHandle) because oldHandle won't be destroyed until - // the window thread has retrieved and executed window_work. - LL_DEBUGS("Window") << "posting window_work to message queue" << LL_ENDL; - mWindowThread->Post(oldWindowHandle, window_work); - } - - auto future = promise.get_future(); - // This blocks until mWindowThread processes CreateWindowEx() and calls - // promise.set_value(). - auto pair = future.get(); - mWindowHandle = pair.first; - mhDC = pair.second; -} - -void* LLWindowWin32::createSharedContext() -{ - mMaxGLVersion = llclamp(mMaxGLVersion, 3.f, 4.6f); - - S32 version_major = llfloor(mMaxGLVersion); - S32 version_minor = llround((mMaxGLVersion-version_major)*10); - - S32 attribs[] = - { - WGL_CONTEXT_MAJOR_VERSION_ARB, version_major, - WGL_CONTEXT_MINOR_VERSION_ARB, version_minor, - WGL_CONTEXT_PROFILE_MASK_ARB, LLRender::sGLCoreProfile ? WGL_CONTEXT_CORE_PROFILE_BIT_ARB : WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB, - WGL_CONTEXT_FLAGS_ARB, gDebugGL ? WGL_CONTEXT_DEBUG_BIT_ARB : 0, - 0 - }; - - HGLRC rc = 0; - - bool done = false; - while (!done) - { - rc = wglCreateContextAttribsARB(mhDC, mhRC, attribs); - - if (!rc) - { - if (attribs[3] > 0) - { //decrement minor version - attribs[3]--; - } - else if (attribs[1] > 3) - { //decrement major version and start minor version over at 3 - attribs[1]--; - attribs[3] = 3; - } - else - { //we reached 3.0 and still failed, bail out - done = true; - } - } - else - { - LL_INFOS() << "Created OpenGL " << llformat("%d.%d", attribs[1], attribs[3]) << - (LLRender::sGLCoreProfile ? " core" : " compatibility") << " context." << LL_ENDL; - done = true; - } - } - - if (!rc && !(rc = wglCreateContext(mhDC))) - { - close(); - OSMessageBox(mCallbacks->translateString("MBGLContextErr"), mCallbacks->translateString("MBError"), OSMB_OK); - } - - return rc; -} - -void LLWindowWin32::makeContextCurrent(void* contextPtr) -{ - wglMakeCurrent(mhDC, (HGLRC) contextPtr); - LL_PROFILER_GPU_CONTEXT; -} - -void LLWindowWin32::destroySharedContext(void* contextPtr) -{ - wglDeleteContext((HGLRC)contextPtr); -} - -void LLWindowWin32::toggleVSync(bool enable_vsync) -{ - if (!enable_vsync && wglSwapIntervalEXT) - { - LL_INFOS("Window") << "Disabling vertical sync" << LL_ENDL; - wglSwapIntervalEXT(0); - } - else if (wglSwapIntervalEXT) - { - LL_INFOS("Window") << "Enabling vertical sync" << LL_ENDL; - wglSwapIntervalEXT(1); - } -} - -void LLWindowWin32::moveWindow( const LLCoordScreen& position, const LLCoordScreen& size ) -{ - if( mIsMouseClipping ) - { - RECT client_rect_in_screen_space; - if( getClientRectInScreenSpace( &client_rect_in_screen_space ) ) - { - ClipCursor( &client_rect_in_screen_space ); - } - } - - // if the window was already maximized, MoveWindow seems to still set the maximized flag even if - // the window is smaller than maximized. - // So we're going to do a restore first (which is a ShowWindow call) (SL-44655). - - // THIS CAUSES DEV-15484 and DEV-15949 - //ShowWindow(mWindowHandle, SW_RESTORE); - // NOW we can call MoveWindow - mWindowThread->post([=]() - { - MoveWindow(mWindowHandle, position.mX, position.mY, size.mX, size.mY, TRUE); - }); -} - -void LLWindowWin32::setTitle(const std::string title) -{ - // TODO: Do we need to use the wide string version of this call - // to support non-ascii usernames (and region names?) - mWindowThread->post([=]() - { - SetWindowTextA(mWindowHandle, title.c_str()); - }); -} - -bool LLWindowWin32::setCursorPosition(const LLCoordWindow position) -{ - ASSERT_MAIN_THREAD(); - - if (!mWindowHandle) - { - return false; - } - - LLCoordScreen screen_pos(position.convert()); - - // instantly set the cursor position from the app's point of view - mCursorPosition = position; - mLastCursorPosition = position; - - // Inform the application of the new mouse position (needed for per-frame - // hover/picking to function). - mCallbacks->handleMouseMove(this, position.convert(), (MASK)0); - - // actually set the cursor position on the window thread - mWindowThread->post([=]() - { - // actually set the OS cursor position - SetCursorPos(screen_pos.mX, screen_pos.mY); - }); - - return true; -} - -bool LLWindowWin32::getCursorPosition(LLCoordWindow *position) -{ - ASSERT_MAIN_THREAD(); - if (!position) - { - return false; - } - - *position = mCursorPosition; - return true; -} - -bool LLWindowWin32::getCursorDelta(LLCoordCommon* delta) -{ - if (delta == nullptr) - { - return false; - } - - *delta = mMouseFrameDelta; - - return true; -} - -void LLWindowWin32::hideCursor() -{ - ASSERT_MAIN_THREAD(); - - mWindowThread->post([=]() - { - while (ShowCursor(FALSE) >= 0) - { - // nothing, wait for cursor to push down - } - }); - - mCursorHidden = true; - mHideCursorPermanent = true; -} - -void LLWindowWin32::showCursor() -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32; - - ASSERT_MAIN_THREAD(); - - mWindowThread->post([=]() - { - // makes sure the cursor shows up - while (ShowCursor(TRUE) < 0) - { - // do nothing, wait for cursor to pop out - } - }); - - mCursorHidden = false; - mHideCursorPermanent = false; -} - -void LLWindowWin32::showCursorFromMouseMove() -{ - if (!mHideCursorPermanent) - { - showCursor(); - } -} - -void LLWindowWin32::hideCursorUntilMouseMove() -{ - if (!mHideCursorPermanent && mMouseVanish) - { - hideCursor(); - mHideCursorPermanent = false; - } -} - -bool LLWindowWin32::isCursorHidden() -{ - return mCursorHidden; -} - - -HCURSOR LLWindowWin32::loadColorCursor(LPCTSTR name) -{ - return (HCURSOR)LoadImage(mhInstance, - name, - IMAGE_CURSOR, - 0, // default width - 0, // default height - LR_DEFAULTCOLOR); -} - - -void LLWindowWin32::initCursors() -{ - mCursor[ UI_CURSOR_ARROW ] = LoadCursor(NULL, IDC_ARROW); - mCursor[ UI_CURSOR_WAIT ] = LoadCursor(NULL, IDC_WAIT); - mCursor[ UI_CURSOR_HAND ] = LoadCursor(NULL, IDC_HAND); - mCursor[ UI_CURSOR_IBEAM ] = LoadCursor(NULL, IDC_IBEAM); - mCursor[ UI_CURSOR_CROSS ] = LoadCursor(NULL, IDC_CROSS); - mCursor[ UI_CURSOR_SIZENWSE ] = LoadCursor(NULL, IDC_SIZENWSE); - mCursor[ UI_CURSOR_SIZENESW ] = LoadCursor(NULL, IDC_SIZENESW); - mCursor[ UI_CURSOR_SIZEWE ] = LoadCursor(NULL, IDC_SIZEWE); - mCursor[ UI_CURSOR_SIZENS ] = LoadCursor(NULL, IDC_SIZENS); - mCursor[ UI_CURSOR_SIZEALL ] = LoadCursor(NULL, IDC_SIZEALL); - mCursor[ UI_CURSOR_NO ] = LoadCursor(NULL, IDC_NO); - mCursor[ UI_CURSOR_WORKING ] = LoadCursor(NULL, IDC_APPSTARTING); - - HMODULE module = GetModuleHandle(NULL); - mCursor[ UI_CURSOR_TOOLGRAB ] = LoadCursor(module, TEXT("TOOLGRAB")); - mCursor[ UI_CURSOR_TOOLLAND ] = LoadCursor(module, TEXT("TOOLLAND")); - mCursor[ UI_CURSOR_TOOLFOCUS ] = LoadCursor(module, TEXT("TOOLFOCUS")); - mCursor[ UI_CURSOR_TOOLCREATE ] = LoadCursor(module, TEXT("TOOLCREATE")); - mCursor[ UI_CURSOR_ARROWDRAG ] = LoadCursor(module, TEXT("ARROWDRAG")); - mCursor[ UI_CURSOR_ARROWCOPY ] = LoadCursor(module, TEXT("ARROWCOPY")); - mCursor[ UI_CURSOR_ARROWDRAGMULTI ] = LoadCursor(module, TEXT("ARROWDRAGMULTI")); - mCursor[ UI_CURSOR_ARROWCOPYMULTI ] = LoadCursor(module, TEXT("ARROWCOPYMULTI")); - mCursor[ UI_CURSOR_NOLOCKED ] = LoadCursor(module, TEXT("NOLOCKED")); - mCursor[ UI_CURSOR_ARROWLOCKED ]= LoadCursor(module, TEXT("ARROWLOCKED")); - mCursor[ UI_CURSOR_GRABLOCKED ] = LoadCursor(module, TEXT("GRABLOCKED")); - mCursor[ UI_CURSOR_TOOLTRANSLATE ] = LoadCursor(module, TEXT("TOOLTRANSLATE")); - mCursor[ UI_CURSOR_TOOLROTATE ] = LoadCursor(module, TEXT("TOOLROTATE")); - mCursor[ UI_CURSOR_TOOLSCALE ] = LoadCursor(module, TEXT("TOOLSCALE")); - mCursor[ UI_CURSOR_TOOLCAMERA ] = LoadCursor(module, TEXT("TOOLCAMERA")); - mCursor[ UI_CURSOR_TOOLPAN ] = LoadCursor(module, TEXT("TOOLPAN")); - mCursor[ UI_CURSOR_TOOLZOOMIN ] = LoadCursor(module, TEXT("TOOLZOOMIN")); - mCursor[ UI_CURSOR_TOOLZOOMOUT ] = LoadCursor(module, TEXT("TOOLZOOMOUT")); - mCursor[ UI_CURSOR_TOOLPICKOBJECT3 ] = LoadCursor(module, TEXT("TOOLPICKOBJECT3")); - mCursor[ UI_CURSOR_PIPETTE ] = LoadCursor(module, TEXT("TOOLPIPETTE")); - mCursor[ UI_CURSOR_TOOLSIT ] = LoadCursor(module, TEXT("TOOLSIT")); - mCursor[ UI_CURSOR_TOOLBUY ] = LoadCursor(module, TEXT("TOOLBUY")); - mCursor[ UI_CURSOR_TOOLOPEN ] = LoadCursor(module, TEXT("TOOLOPEN")); - mCursor[ UI_CURSOR_TOOLPATHFINDING ] = LoadCursor(module, TEXT("TOOLPATHFINDING")); - mCursor[ UI_CURSOR_TOOLPATHFINDING_PATH_START_ADD ] = LoadCursor(module, TEXT("TOOLPATHFINDINGPATHSTARTADD")); - mCursor[ UI_CURSOR_TOOLPATHFINDING_PATH_START ] = LoadCursor(module, TEXT("TOOLPATHFINDINGPATHSTART")); - mCursor[ UI_CURSOR_TOOLPATHFINDING_PATH_END ] = LoadCursor(module, TEXT("TOOLPATHFINDINGPATHEND")); - mCursor[ UI_CURSOR_TOOLPATHFINDING_PATH_END_ADD ] = LoadCursor(module, TEXT("TOOLPATHFINDINGPATHENDADD")); - mCursor[ UI_CURSOR_TOOLNO ] = LoadCursor(module, TEXT("TOOLNO")); - - // Color cursors - mCursor[ UI_CURSOR_TOOLPLAY ] = loadColorCursor(TEXT("TOOLPLAY")); - mCursor[ UI_CURSOR_TOOLPAUSE ] = loadColorCursor(TEXT("TOOLPAUSE")); - mCursor[ UI_CURSOR_TOOLMEDIAOPEN ] = loadColorCursor(TEXT("TOOLMEDIAOPEN")); - - // Note: custom cursors that are not found make LoadCursor() return NULL. - for( S32 i = 0; i < UI_CURSOR_COUNT; i++ ) - { - if( !mCursor[i] ) - { - mCursor[i] = LoadCursor(NULL, IDC_ARROW); - } - } -} - - - -void LLWindowWin32::updateCursor() -{ - ASSERT_MAIN_THREAD(); - LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32 - if (mNextCursor == UI_CURSOR_ARROW - && mBusyCount > 0) - { - mNextCursor = UI_CURSOR_WORKING; - } - - if( mCurrentCursor != mNextCursor ) - { - mCurrentCursor = mNextCursor; - auto nextCursor = mCursor[mNextCursor]; - mWindowThread->post([=]() - { - SetCursor(nextCursor); - }); - } -} - -ECursorType LLWindowWin32::getCursor() const -{ - return mCurrentCursor; -} - -void LLWindowWin32::captureMouse() -{ - SetCapture(mWindowHandle); -} - -void LLWindowWin32::releaseMouse() -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32; - ReleaseCapture(); -} - - -void LLWindowWin32::delayInputProcessing() -{ - mInputProcessingPaused = true; -} - - -void LLWindowWin32::gatherInput() -{ - ASSERT_MAIN_THREAD(); - LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32 - MSG msg; - - { - LLMutexLock lock(&mRawMouseMutex); - mMouseFrameDelta = mRawMouseDelta; - - mRawMouseDelta.mX = 0; - mRawMouseDelta.mY = 0; - } - - - if (mWindowThread->getQueue().size()) - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - PostMessage"); - kickWindowThread(); - } - - while (mWindowThread->mMessageQueue.tryPopBack(msg)) - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - message queue"); - if (mInputProcessingPaused) - { - continue; - } - - // For async host by name support. Really hacky. - if (gAsyncMsgCallback && (LL_WM_HOST_RESOLVED == msg.message)) - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - callback"); - gAsyncMsgCallback(msg); - } - } - - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - PeekMessage"); - S32 msg_count = 0; - while ((msg_count < MAX_MESSAGE_PER_UPDATE) && PeekMessage(&msg, NULL, WM_USER, WM_USER, PM_REMOVE)) - { - TranslateMessage(&msg); - DispatchMessage(&msg); - msg_count++; - } - } - - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - function queue"); - //process any pending functions - std::function<void()> curFunc; - while (mFunctionQueue.tryPopBack(curFunc)) - { - curFunc(); - } - } - - // send one and only one mouse move event per frame BEFORE handling mouse button presses - if (mLastCursorPosition != mCursorPosition) - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - mouse move"); - mCallbacks->handleMouseMove(this, mCursorPosition.convert(), mMouseMask); - } - - mLastCursorPosition = mCursorPosition; - - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - mouse queue"); - // handle mouse button presses AFTER updating mouse cursor position - std::function<void()> curFunc; - while (mMouseQueue.tryPopBack(curFunc)) - { - curFunc(); - } - } - - mInputProcessingPaused = false; - - updateCursor(); -} - -static LLTrace::BlockTimerStatHandle FTM_KEYHANDLER("Handle Keyboard"); -static LLTrace::BlockTimerStatHandle FTM_MOUSEHANDLER("Handle Mouse"); - -#define WINDOW_IMP_POST(x) window_imp->post([=]() { x; }) - -LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_param, LPARAM l_param) -{ - ASSERT_WINDOW_THREAD(); - LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32; - - if (u_msg == WM_POST_FUNCTION_) - { - // from LLWindowWin32Thread::Post() - // Cast l_param back to the pointer to the heap FuncType - // allocated by Post(). Capture in unique_ptr so we'll delete - // once we're done with it. - std::unique_ptr<LLWindowWin32Thread::FuncType> - ptr(reinterpret_cast<LLWindowWin32Thread::FuncType*>(l_param)); - (*ptr)(); - return 0; - } - - // Ignore clicks not originated in the client area, i.e. mouse-up events not preceded with a WM_LBUTTONDOWN. - // This helps prevent avatar walking after maximizing the window by double-clicking the title bar. - static bool sHandleLeftMouseUp = true; - - // Ignore the double click received right after activating app. - // This is to avoid triggering double click teleport after returning focus (see MAINT-3786). - static bool sHandleDoubleClick = true; - - LLWindowWin32* window_imp = (LLWindowWin32*)GetWindowLongPtr(h_wnd, GWLP_USERDATA); - - if (NULL != window_imp) - { - // Juggle to make sure we can get negative positions for when - // mouse is outside window. - LLCoordWindow window_coord((S32)(S16)LOWORD(l_param), (S32)(S16)HIWORD(l_param)); - - // pass along extended flag in mask - MASK mask = (l_param >> 16 & KF_EXTENDED) ? MASK_EXTENDED : 0x0; - bool eat_keystroke = true; - - switch (u_msg) - { - RECT update_rect; - S32 update_width; - S32 update_height; - - case WM_TIMER: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_TIMER"); - WINDOW_IMP_POST(window_imp->mCallbacks->handleTimerEvent(window_imp)); - break; - } - - case WM_DEVICECHANGE: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_DEVICECHANGE"); - if (w_param == DBT_DEVNODES_CHANGED || w_param == DBT_DEVICEARRIVAL) - { - WINDOW_IMP_POST(window_imp->mCallbacks->handleDeviceChange(window_imp)); - - return 1; - } - break; - } - - case WM_PAINT: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_PAINT"); - GetUpdateRect(window_imp->mWindowHandle, &update_rect, FALSE); - update_width = update_rect.right - update_rect.left + 1; - update_height = update_rect.bottom - update_rect.top + 1; - - WINDOW_IMP_POST(window_imp->mCallbacks->handlePaint(window_imp, update_rect.left, update_rect.top, - update_width, update_height)); - break; - } - case WM_PARENTNOTIFY: - { - break; - } - - case WM_SETCURSOR: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SETCURSOR"); - // This message is sent whenever the cursor is moved in a window. - // You need to set the appropriate cursor appearance. - - // Only take control of cursor over client region of window - // This allows Windows(tm) to handle resize cursors, etc. - if (LOWORD(l_param) == HTCLIENT) - { - SetCursor(window_imp->mCursor[window_imp->mCurrentCursor]); - return 0; - } - break; - } - case WM_ENTERMENULOOP: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_ENTERMENULOOP"); - WINDOW_IMP_POST(window_imp->mCallbacks->handleWindowBlock(window_imp)); - break; - } - - case WM_EXITMENULOOP: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_EXITMENULOOP"); - WINDOW_IMP_POST(window_imp->mCallbacks->handleWindowUnblock(window_imp)); - break; - } - - case WM_ACTIVATEAPP: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_ACTIVATEAPP"); - window_imp->post([=]() - { - // This message should be sent whenever the app gains or loses focus. - BOOL activating = (BOOL)w_param; - - if (window_imp->mFullscreen) - { - // When we run fullscreen, restoring or minimizing the app needs - // to switch the screen resolution - if (activating) - { - window_imp->setFullscreenResolution(); - window_imp->restore(); - } - else - { - window_imp->minimize(); - window_imp->resetDisplayResolution(); - } - } - - if (!activating) - { - sHandleDoubleClick = false; - } - - window_imp->mCallbacks->handleActivateApp(window_imp, activating); - }); - break; - } - case WM_ACTIVATE: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_ACTIVATE"); - window_imp->post([=]() - { - // Can be one of WA_ACTIVE, WA_CLICKACTIVE, or WA_INACTIVE - BOOL activating = (LOWORD(w_param) != WA_INACTIVE); - - if (!activating && LLWinImm::isAvailable() && window_imp->mPreeditor) - { - window_imp->interruptLanguageTextInput(); - } - }); - - break; - } - - case WM_QUERYOPEN: - // TODO: use this to return a nice icon - break; - - case WM_SYSCOMMAND: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SYSCOMMAND"); - switch (w_param) - { - case SC_KEYMENU: - // Disallow the ALT key from triggering the default system menu. - return 0; - - case SC_SCREENSAVE: - case SC_MONITORPOWER: - // eat screen save messages and prevent them! - return 0; - } - break; - } - case WM_CLOSE: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_CLOSE"); - window_imp->post([=]() - { - // Will the app allow the window to close? - if (window_imp->mCallbacks->handleCloseRequest(window_imp)) - { - // Get the app to initiate cleanup. - window_imp->mCallbacks->handleQuit(window_imp); - // The app is responsible for calling destroyWindow when done with GL - } - }); - return 0; - } - case WM_DESTROY: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_DESTROY"); - if (window_imp->shouldPostQuit()) - { - PostQuitMessage(0); // Posts WM_QUIT with an exit code of 0 - } - return 0; - } - case WM_COMMAND: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_COMMAND"); - if (!HIWORD(w_param)) // this message is from a menu - { - WINDOW_IMP_POST(window_imp->mCallbacks->handleMenuSelect(window_imp, LOWORD(w_param))); - } - break; - } - case WM_SYSKEYDOWN: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SYSKEYDOWN"); - // allow system keys, such as ALT-F4 to be processed by Windows - eat_keystroke = false; - // intentional fall-through here - [[fallthrough]]; - } - case WM_KEYDOWN: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_KEYDOWN"); - window_imp->post([=]() - { - window_imp->mKeyCharCode = 0; // don't know until wm_char comes in next - window_imp->mKeyScanCode = (l_param >> 16) & 0xff; - window_imp->mKeyVirtualKey = w_param; - window_imp->mRawMsg = u_msg; - window_imp->mRawWParam = w_param; - window_imp->mRawLParam = l_param; - - gKeyboard->handleKeyDown(w_param, mask); - }); - if (eat_keystroke) return 0; // skip DefWindowProc() handling if we're consuming the keypress - break; - } - case WM_SYSKEYUP: - eat_keystroke = false; - // intentional fall-through here - [[fallthrough]]; - case WM_KEYUP: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_KEYUP"); - window_imp->post([=]() - { - window_imp->mKeyScanCode = (l_param >> 16) & 0xff; - window_imp->mKeyVirtualKey = w_param; - window_imp->mRawMsg = u_msg; - window_imp->mRawWParam = w_param; - window_imp->mRawLParam = l_param; - - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_KEYUP"); - gKeyboard->handleKeyUp(w_param, mask); - } - }); - if (eat_keystroke) return 0; // skip DefWindowProc() handling if we're consuming the keypress - break; - } - case WM_IME_SETCONTEXT: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_SETCONTEXT"); - if (LLWinImm::isAvailable() && window_imp->mPreeditor) - { - l_param &= ~ISC_SHOWUICOMPOSITIONWINDOW; - // Invoke DefWinProc with the modified LPARAM. - } - break; - } - case WM_IME_STARTCOMPOSITION: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_STARTCOMPOSITION"); - if (LLWinImm::isAvailable() && window_imp->mPreeditor) - { - WINDOW_IMP_POST(window_imp->handleStartCompositionMessage()); - return 0; - } - break; - } - case WM_IME_ENDCOMPOSITION: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_ENDCOMPOSITION"); - if (LLWinImm::isAvailable() && window_imp->mPreeditor) - { - return 0; - } - break; - } - case WM_IME_COMPOSITION: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_COMPOSITION"); - if (LLWinImm::isAvailable() && window_imp->mPreeditor) - { - WINDOW_IMP_POST(window_imp->handleCompositionMessage(l_param)); - return 0; - } - break; - } - case WM_IME_REQUEST: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_REQUEST"); - if (LLWinImm::isAvailable() && window_imp->mPreeditor) - { - LRESULT result; - window_imp->handleImeRequests(w_param, l_param, &result); - return result; - } - break; - } - case WM_CHAR: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_CHAR"); - window_imp->post([=]() - { - window_imp->mKeyCharCode = w_param; - window_imp->mRawMsg = u_msg; - window_imp->mRawWParam = w_param; - window_imp->mRawLParam = l_param; - - // Should really use WM_UNICHAR eventually, but it requires a specific Windows version and I need - // to figure out how that works. - Doug - // - // ... Well, I don't think so. - // How it works is explained in Win32 API document, but WM_UNICHAR didn't work - // as specified at least on Windows XP SP1 Japanese version. I have never used - // it since then, and I'm not sure whether it has been fixed now, but I don't think - // it is worth trying. The good old WM_CHAR works just fine even for supplementary - // characters. We just need to take care of surrogate pairs sent as two WM_CHAR's - // by ourselves. It is not that tough. -- Alissa Sabre @ SL - - // Even if LLWindowCallbacks::handleUnicodeChar(llwchar, bool) returned false, - // we *did* processed the event, so I believe we should not pass it to DefWindowProc... - window_imp->handleUnicodeUTF16((U16)w_param, gKeyboard->currentMask(false)); - }); - return 0; - } - case WM_NCLBUTTONDOWN: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_NCLBUTTONDOWN"); - { - // A click in a non-client area, e.g. title bar or window border. - window_imp->post([=]() - { - sHandleLeftMouseUp = false; - sHandleDoubleClick = true; - }); - } - break; - } - case WM_LBUTTONDOWN: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_LBUTTONDOWN"); - { - LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER); - window_imp->postMouseButtonEvent([=]() - { - sHandleLeftMouseUp = true; - - if (LLWinImm::isAvailable() && window_imp->mPreeditor) - { - window_imp->interruptLanguageTextInput(); - } - - MASK mask = gKeyboard->currentMask(true); - auto gl_coord = window_imp->mCursorPosition.convert(); - window_imp->mCallbacks->handleMouseMove(window_imp, gl_coord, mask); - window_imp->mCallbacks->handleMouseDown(window_imp, gl_coord, mask); - }); - - return 0; - } - break; - } - - case WM_LBUTTONDBLCLK: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_LBUTTONDBLCLK"); - window_imp->postMouseButtonEvent([=]() - { - //RN: ignore right button double clicks for now - //case WM_RBUTTONDBLCLK: - if (!sHandleDoubleClick) - { - sHandleDoubleClick = true; - return; - } - MASK mask = gKeyboard->currentMask(true); - - // generate move event to update mouse coordinates - window_imp->mCursorPosition = window_coord; - window_imp->mCallbacks->handleDoubleClick(window_imp, window_imp->mCursorPosition.convert(), mask); - }); - - return 0; - } - case WM_LBUTTONUP: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_LBUTTONUP"); - { - window_imp->postMouseButtonEvent([=]() - { - LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER); - if (!sHandleLeftMouseUp) - { - sHandleLeftMouseUp = true; - return; - } - sHandleDoubleClick = true; - - - MASK mask = gKeyboard->currentMask(true); - // generate move event to update mouse coordinates - window_imp->mCursorPosition = window_coord; - window_imp->mCallbacks->handleMouseUp(window_imp, window_imp->mCursorPosition.convert(), mask); - }); - } - return 0; - } - case WM_RBUTTONDBLCLK: - case WM_RBUTTONDOWN: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_RBUTTONDOWN"); - { - LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER); - window_imp->post([=]() - { - if (LLWinImm::isAvailable() && window_imp->mPreeditor) - { - WINDOW_IMP_POST(window_imp->interruptLanguageTextInput()); - } - - MASK mask = gKeyboard->currentMask(true); - // generate move event to update mouse coordinates - auto gl_coord = window_imp->mCursorPosition.convert(); - window_imp->mCallbacks->handleMouseMove(window_imp, gl_coord, mask); - window_imp->mCallbacks->handleRightMouseDown(window_imp, gl_coord, mask); - }); - } - return 0; - } - break; - - case WM_RBUTTONUP: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_RBUTTONUP"); - { - LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER); - window_imp->postMouseButtonEvent([=]() - { - MASK mask = gKeyboard->currentMask(true); - window_imp->mCallbacks->handleRightMouseUp(window_imp, window_imp->mCursorPosition.convert(), mask); - }); - } - } - break; - - case WM_MBUTTONDOWN: - // case WM_MBUTTONDBLCLK: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MBUTTONDOWN"); - { - LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER); - window_imp->postMouseButtonEvent([=]() - { - if (LLWinImm::isAvailable() && window_imp->mPreeditor) - { - window_imp->interruptLanguageTextInput(); - } - - MASK mask = gKeyboard->currentMask(true); - window_imp->mCallbacks->handleMiddleMouseDown(window_imp, window_imp->mCursorPosition.convert(), mask); - }); - } - } - break; - - case WM_MBUTTONUP: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MBUTTONUP"); - { - LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER); - window_imp->postMouseButtonEvent([=]() - { - MASK mask = gKeyboard->currentMask(true); - window_imp->mCallbacks->handleMiddleMouseUp(window_imp, window_imp->mCursorPosition.convert(), mask); - }); - } - } - break; - case WM_XBUTTONDOWN: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_XBUTTONDOWN"); - window_imp->postMouseButtonEvent([=]() - { - LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER); - S32 button = GET_XBUTTON_WPARAM(w_param); - if (LLWinImm::isAvailable() && window_imp->mPreeditor) - { - window_imp->interruptLanguageTextInput(); - } - - MASK mask = gKeyboard->currentMask(true); - // Windows uses numbers 1 and 2 for buttons, remap to 4, 5 - window_imp->mCallbacks->handleOtherMouseDown(window_imp, window_imp->mCursorPosition.convert(), mask, button + 3); - }); - - } - break; - - case WM_XBUTTONUP: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_XBUTTONUP"); - window_imp->postMouseButtonEvent([=]() - { - - LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER); - - S32 button = GET_XBUTTON_WPARAM(w_param); - MASK mask = gKeyboard->currentMask(true); - // Windows uses numbers 1 and 2 for buttons, remap to 4, 5 - window_imp->mCallbacks->handleOtherMouseUp(window_imp, window_imp->mCursorPosition.convert(), mask, button + 3); - }); - } - break; - - case WM_MOUSEWHEEL: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MOUSEWHEEL"); - static short z_delta = 0; - - RECT client_rect; - - // eat scroll events that occur outside our window, since we use mouse position to direct scroll - // instead of keyboard focus - // NOTE: mouse_coord is in *window* coordinates for scroll events - POINT mouse_coord = { (S32)(S16)LOWORD(l_param), (S32)(S16)HIWORD(l_param) }; - - if (ScreenToClient(window_imp->mWindowHandle, &mouse_coord) - && GetClientRect(window_imp->mWindowHandle, &client_rect)) - { - // we have a valid mouse point and client rect - if (mouse_coord.x < client_rect.left || client_rect.right < mouse_coord.x - || mouse_coord.y < client_rect.top || client_rect.bottom < mouse_coord.y) - { - // mouse is outside of client rect, so don't do anything - return 0; - } - } - - S16 incoming_z_delta = HIWORD(w_param); - z_delta += incoming_z_delta; - // cout << "z_delta " << z_delta << endl; - - // current mouse wheels report changes in increments of zDelta (+120, -120) - // Future, higher resolution mouse wheels may report smaller deltas. - // So we sum the deltas and only act when we've exceeded WHEEL_DELTA - // - // If the user rapidly spins the wheel, we can get messages with - // large deltas, like 480 or so. Thus we need to scroll more quickly. - if (z_delta <= -WHEEL_DELTA || WHEEL_DELTA <= z_delta) - { - short clicks = -z_delta / WHEEL_DELTA; - WINDOW_IMP_POST(window_imp->mCallbacks->handleScrollWheel(window_imp, clicks)); - z_delta = 0; - } - return 0; - } - /* - // TODO: add this after resolving _WIN32_WINNT issue - case WM_MOUSELEAVE: - { - window_imp->mCallbacks->handleMouseLeave(window_imp); - - // TRACKMOUSEEVENT track_mouse_event; - // track_mouse_event.cbSize = sizeof( TRACKMOUSEEVENT ); - // track_mouse_event.dwFlags = TME_LEAVE; - // track_mouse_event.hwndTrack = h_wnd; - // track_mouse_event.dwHoverTime = HOVER_DEFAULT; - // TrackMouseEvent( &track_mouse_event ); - return 0; - } - */ - case WM_MOUSEHWHEEL: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MOUSEHWHEEL"); - static short h_delta = 0; - - RECT client_rect; - - // eat scroll events that occur outside our window, since we use mouse position to direct scroll - // instead of keyboard focus - // NOTE: mouse_coord is in *window* coordinates for scroll events - POINT mouse_coord = { (S32)(S16)LOWORD(l_param), (S32)(S16)HIWORD(l_param) }; - - if (ScreenToClient(window_imp->mWindowHandle, &mouse_coord) - && GetClientRect(window_imp->mWindowHandle, &client_rect)) - { - // we have a valid mouse point and client rect - if (mouse_coord.x < client_rect.left || client_rect.right < mouse_coord.x - || mouse_coord.y < client_rect.top || client_rect.bottom < mouse_coord.y) - { - // mouse is outside of client rect, so don't do anything - return 0; - } - } - - S16 incoming_h_delta = HIWORD(w_param); - h_delta += incoming_h_delta; - - // If the user rapidly spins the wheel, we can get messages with - // large deltas, like 480 or so. Thus we need to scroll more quickly. - if (h_delta <= -WHEEL_DELTA || WHEEL_DELTA <= h_delta) - { - WINDOW_IMP_POST(window_imp->mCallbacks->handleScrollHWheel(window_imp, h_delta / WHEEL_DELTA)); - h_delta = 0; - } - return 0; - } - // Handle mouse movement within the window - case WM_MOUSEMOVE: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MOUSEMOVE"); - // DO NOT use mouse event queue for move events to ensure cursor position is updated - // when button events are handled - WINDOW_IMP_POST( - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MOUSEMOVE lambda"); - - MASK mask = gKeyboard->currentMask(true); - window_imp->mMouseMask = mask; - window_imp->mCursorPosition = window_coord; - }); - return 0; - } - - case WM_GETMINMAXINFO: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_GETMINMAXINFO"); - LPMINMAXINFO min_max = (LPMINMAXINFO)l_param; - min_max->ptMinTrackSize.x = window_imp->mMinWindowWidth; - min_max->ptMinTrackSize.y = window_imp->mMinWindowHeight; - return 0; - } - - case WM_MOVE: - { - window_imp->updateWindowRect(); - return 0; - } - case WM_SIZE: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SIZE"); - window_imp->updateWindowRect(); - - // There's an odd behavior with WM_SIZE that I would call a bug. If - // the window is maximized, and you call MoveWindow() with a size smaller - // than a maximized window, it ends up sending WM_SIZE with w_param set - // to SIZE_MAXIMIZED -- which isn't true. So the logic below doesn't work. - // (SL-44655). Fixed it by calling ShowWindow(SW_RESTORE) first (see - // LLWindowWin32::moveWindow in this file). - - // If we are now restored, but we weren't before, this - // means that the window was un-minimized. - if (w_param == SIZE_RESTORED && window_imp->mLastSizeWParam != SIZE_RESTORED) - { - WINDOW_IMP_POST(window_imp->mCallbacks->handleActivate(window_imp, true)); - } - - // handle case of window being maximized from fully minimized state - if (w_param == SIZE_MAXIMIZED && window_imp->mLastSizeWParam != SIZE_MAXIMIZED) - { - WINDOW_IMP_POST(window_imp->mCallbacks->handleActivate(window_imp, true)); - } - - // Also handle the minimization case - if (w_param == SIZE_MINIMIZED && window_imp->mLastSizeWParam != SIZE_MINIMIZED) - { - WINDOW_IMP_POST(window_imp->mCallbacks->handleActivate(window_imp, false)); - } - - // Actually resize all of our views - if (w_param != SIZE_MINIMIZED) - { - // Ignore updates for minimizing and minimized "windows" - WINDOW_IMP_POST(window_imp->mCallbacks->handleResize(window_imp, - LOWORD(l_param), - HIWORD(l_param))); - } - - window_imp->mLastSizeWParam = w_param; - - return 0; - } - - case WM_DPICHANGED: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_DPICHANGED"); - LPRECT lprc_new_scale; - F32 new_scale = F32(LOWORD(w_param)) / F32(USER_DEFAULT_SCREEN_DPI); - lprc_new_scale = (LPRECT)l_param; - S32 new_width = lprc_new_scale->right - lprc_new_scale->left; - S32 new_height = lprc_new_scale->bottom - lprc_new_scale->top; - WINDOW_IMP_POST(window_imp->mCallbacks->handleDPIChanged(window_imp, new_scale, new_width, new_height)); - - SetWindowPos(h_wnd, - HWND_TOP, - lprc_new_scale->left, - lprc_new_scale->top, - new_width, - new_height, - SWP_NOZORDER | SWP_NOACTIVATE); - - return 0; - } - - case WM_SETFOCUS: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SETFOCUS"); - WINDOW_IMP_POST(window_imp->mCallbacks->handleFocus(window_imp)); - return 0; - } - - case WM_KILLFOCUS: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_KILLFOCUS"); - WINDOW_IMP_POST(window_imp->mCallbacks->handleFocusLost(window_imp)); - return 0; - } - - case WM_COPYDATA: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_COPYDATA"); - { - // received a URL - PCOPYDATASTRUCT myCDS = (PCOPYDATASTRUCT)l_param; - void* data = new U8[myCDS->cbData]; - memcpy(data, myCDS->lpData, myCDS->cbData); - auto myType = myCDS->dwData; - - window_imp->post([=]() - { - window_imp->mCallbacks->handleDataCopy(window_imp, myType, data); - delete[] data; - }); - }; - return 0; - } - case WM_SETTINGCHANGE: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SETTINGCHANGE"); - if (w_param == SPI_SETMOUSEVANISH) - { - if (!SystemParametersInfo(SPI_GETMOUSEVANISH, 0, &window_imp->mMouseVanish, 0)) - { - WINDOW_IMP_POST(window_imp->mMouseVanish = true); - } - } - } - break; - - case WM_INPUT: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("MWP - WM_INPUT"); - - UINT dwSize = 0; - GetRawInputData((HRAWINPUT)l_param, RID_INPUT, NULL, &dwSize, sizeof(RAWINPUTHEADER)); - llassert(dwSize < 1024); - - U8 lpb[1024]; - - if (GetRawInputData((HRAWINPUT)l_param, RID_INPUT, (void*)lpb, &dwSize, sizeof(RAWINPUTHEADER)) == dwSize) - { - RAWINPUT* raw = (RAWINPUT*)lpb; - - if (raw->header.dwType == RIM_TYPEMOUSE) - { - LLMutexLock lock(&window_imp->mRawMouseMutex); - - bool absolute_coordinates = (raw->data.mouse.usFlags & MOUSE_MOVE_ABSOLUTE); - - if (absolute_coordinates) - { - static S32 prev_absolute_x = 0; - static S32 prev_absolute_y = 0; - S32 absolute_x; - S32 absolute_y; - - if ((raw->data.mouse.usFlags & 0x10) == 0x10) // touch screen? touch? Not defined in header - { - // touch screen spams (0,0) coordinates in a number of situations - // (0,0) might need to be filtered - absolute_x = raw->data.mouse.lLastX; - absolute_y = raw->data.mouse.lLastY; - } - else - { - bool v_desktop = (raw->data.mouse.usFlags & MOUSE_VIRTUAL_DESKTOP) == MOUSE_VIRTUAL_DESKTOP; - - S32 width = GetSystemMetrics(v_desktop ? SM_CXVIRTUALSCREEN : SM_CXSCREEN); - S32 height = GetSystemMetrics(v_desktop ? SM_CYVIRTUALSCREEN : SM_CYSCREEN); - - absolute_x = (raw->data.mouse.lLastX / 65535.0f) * width; - absolute_y = (raw->data.mouse.lLastY / 65535.0f) * height; - } - - window_imp->mRawMouseDelta.mX += absolute_x - prev_absolute_x; - window_imp->mRawMouseDelta.mY -= absolute_y - prev_absolute_y; - - prev_absolute_x = absolute_x; - prev_absolute_y = absolute_y; - } - else - { - S32 speed; - const S32 DEFAULT_SPEED(10); - SystemParametersInfo(SPI_GETMOUSESPEED, 0, &speed, 0); - if (speed == DEFAULT_SPEED) - { - window_imp->mRawMouseDelta.mX += raw->data.mouse.lLastX; - window_imp->mRawMouseDelta.mY -= raw->data.mouse.lLastY; - } - else - { - window_imp->mRawMouseDelta.mX += round((F32)raw->data.mouse.lLastX * (F32)speed / DEFAULT_SPEED); - window_imp->mRawMouseDelta.mY -= round((F32)raw->data.mouse.lLastY * (F32)speed / DEFAULT_SPEED); - } - } - } - } - } - break; - - //list of messages we get often that we don't care to log about - case WM_NCHITTEST: - case WM_NCMOUSEMOVE: - case WM_NCMOUSELEAVE: - case WM_MOVING: - case WM_WINDOWPOSCHANGING: - case WM_WINDOWPOSCHANGED: - break; - - default: - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - default"); - LL_DEBUGS("Window") << "Unhandled windows message code: 0x" << std::hex << U32(u_msg) << LL_ENDL; - } - break; - } - } - else - { - // (NULL == window_imp) - LL_DEBUGS("Window") << "No window implementation to handle message with, message code: " << U32(u_msg) << LL_ENDL; - } - - // pass unhandled messages down to Windows - LRESULT ret; - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - DefWindowProc"); - ret = DefWindowProc(h_wnd, u_msg, w_param, l_param); - } - return ret; -} - -bool LLWindowWin32::convertCoords(LLCoordGL from, LLCoordWindow *to) -{ - S32 client_height; - RECT client_rect; - LLCoordWindow window_position; - - if (!mWindowHandle || - !GetClientRect(mWindowHandle, &client_rect) || - NULL == to) - { - return false; - } - - to->mX = from.mX; - client_height = client_rect.bottom - client_rect.top; - to->mY = client_height - from.mY - 1; - - return true; -} - -bool LLWindowWin32::convertCoords(LLCoordWindow from, LLCoordGL* to) -{ - S32 client_height; - RECT client_rect; - - if (!mWindowHandle || - !GetClientRect(mWindowHandle, &client_rect) || - NULL == to) - { - return false; - } - - to->mX = from.mX; - client_height = client_rect.bottom - client_rect.top; - to->mY = client_height - from.mY - 1; - - return true; -} - -bool LLWindowWin32::convertCoords(LLCoordScreen from, LLCoordWindow* to) -{ - POINT mouse_point; - - mouse_point.x = from.mX; - mouse_point.y = from.mY; - bool result = ScreenToClient(mWindowHandle, &mouse_point); - - if (result) - { - to->mX = mouse_point.x; - to->mY = mouse_point.y; - } - - return result; -} - -bool LLWindowWin32::convertCoords(LLCoordWindow from, LLCoordScreen *to) -{ - POINT mouse_point; - - mouse_point.x = from.mX; - mouse_point.y = from.mY; - bool result = ClientToScreen(mWindowHandle, &mouse_point); - - if (result) - { - to->mX = mouse_point.x; - to->mY = mouse_point.y; - } - - return result; -} - -bool LLWindowWin32::convertCoords(LLCoordScreen from, LLCoordGL *to) -{ - LLCoordWindow window_coord; - - if (!mWindowHandle || (NULL == to)) - { - return false; - } - - convertCoords(from, &window_coord); - convertCoords(window_coord, to); - return true; -} - -bool LLWindowWin32::convertCoords(LLCoordGL from, LLCoordScreen *to) -{ - LLCoordWindow window_coord; - - if (!mWindowHandle || (NULL == to)) - { - return false; - } - - convertCoords(from, &window_coord); - convertCoords(window_coord, to); - return true; -} - - -bool LLWindowWin32::isClipboardTextAvailable() -{ - return IsClipboardFormatAvailable(CF_UNICODETEXT); -} - - -bool LLWindowWin32::pasteTextFromClipboard(LLWString &dst) -{ - bool success = false; - - if (IsClipboardFormatAvailable(CF_UNICODETEXT)) - { - if (OpenClipboard(mWindowHandle)) - { - HGLOBAL h_data = GetClipboardData(CF_UNICODETEXT); - if (h_data) - { - WCHAR *utf16str = (WCHAR*) GlobalLock(h_data); - if (utf16str) - { - dst = utf16str_to_wstring(utf16str); - LLWStringUtil::removeWindowsCR(dst); - GlobalUnlock(h_data); - success = true; - } - } - CloseClipboard(); - } - } - - return success; -} - - -bool LLWindowWin32::copyTextToClipboard(const LLWString& wstr) -{ - bool success = false; - - if (OpenClipboard(mWindowHandle)) - { - EmptyClipboard(); - - // Provide a copy of the data in Unicode format. - LLWString sanitized_string(wstr); - LLWStringUtil::addCRLF(sanitized_string); - llutf16string out_utf16 = wstring_to_utf16str(sanitized_string); - const size_t size_utf16 = (out_utf16.length() + 1) * sizeof(WCHAR); - - // Memory is allocated and then ownership of it is transfered to the system. - HGLOBAL hglobal_copy_utf16 = GlobalAlloc(GMEM_MOVEABLE, size_utf16); - if (hglobal_copy_utf16) - { - WCHAR* copy_utf16 = (WCHAR*) GlobalLock(hglobal_copy_utf16); - if (copy_utf16) - { - memcpy(copy_utf16, out_utf16.c_str(), size_utf16); /* Flawfinder: ignore */ - GlobalUnlock(hglobal_copy_utf16); - - if (SetClipboardData(CF_UNICODETEXT, hglobal_copy_utf16)) - { - success = true; - } - } - } - - CloseClipboard(); - } - - return success; -} - -// Constrains the mouse to the window. -void LLWindowWin32::setMouseClipping( bool b ) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32; - ASSERT_MAIN_THREAD(); - if( b != mIsMouseClipping ) - { - bool success = false; - - if( b ) - { - GetClipCursor( &mOldMouseClip ); - - RECT client_rect_in_screen_space; - if( getClientRectInScreenSpace( &client_rect_in_screen_space ) ) - { - success = ClipCursor( &client_rect_in_screen_space ); - } - } - else - { - // Must restore the old mouse clip, which may be set by another window. - success = ClipCursor( &mOldMouseClip ); - SetRect( &mOldMouseClip, 0, 0, 0, 0 ); - } - - if( success ) - { - mIsMouseClipping = b; - } - } -} - -bool LLWindowWin32::getClientRectInScreenSpace( RECT* rectp ) -{ - bool success = false; - - RECT client_rect; - if (mWindowHandle && GetClientRect(mWindowHandle, &client_rect)) - { - POINT top_left; - top_left.x = client_rect.left; - top_left.y = client_rect.top; - ClientToScreen(mWindowHandle, &top_left); - - POINT bottom_right; - bottom_right.x = client_rect.right; - bottom_right.y = client_rect.bottom; - ClientToScreen(mWindowHandle, &bottom_right); - - SetRect(rectp, - top_left.x, - top_left.y, - bottom_right.x, - bottom_right.y); - - success = true; - } - - return success; -} - -void LLWindowWin32::flashIcon(F32 seconds) -{ - mWindowThread->post([=]() - { - FLASHWINFO flash_info; - - flash_info.cbSize = sizeof(FLASHWINFO); - flash_info.hwnd = mWindowHandle; - flash_info.dwFlags = FLASHW_TRAY; - flash_info.uCount = UINT(seconds / ICON_FLASH_TIME); - flash_info.dwTimeout = DWORD(1000.f * ICON_FLASH_TIME); // milliseconds - FlashWindowEx(&flash_info); - }); -} - -F32 LLWindowWin32::getGamma() -{ - return mCurrentGamma; -} - -bool LLWindowWin32::restoreGamma() -{ - ASSERT_MAIN_THREAD(); - if (mCustomGammaSet) - { - LL_DEBUGS("Window") << "Restoring gamma" << LL_ENDL; - mCustomGammaSet = false; - return SetDeviceGammaRamp(mhDC, mPrevGammaRamp); - } - return true; -} - -bool LLWindowWin32::setGamma(const F32 gamma) -{ - ASSERT_MAIN_THREAD(); - mCurrentGamma = gamma; - - //Get the previous gamma ramp to restore later. - if (!mCustomGammaSet) - { - if (!gGLManager.mIsIntel) // skip for Intel GPUs (see SL-11341) - { - LL_DEBUGS("Window") << "Getting the previous gamma ramp to restore later" << LL_ENDL; - if (!GetDeviceGammaRamp(mhDC, mPrevGammaRamp)) - { - LL_WARNS("Window") << "Failed to get the previous gamma ramp" << LL_ENDL; - return false; - } - } - mCustomGammaSet = true; - } - - LL_DEBUGS("Window") << "Setting gamma to " << gamma << LL_ENDL; - - for ( int i = 0; i < 256; ++i ) - { - int mult = 256 - ( int ) ( ( gamma - 1.0f ) * 128.0f ); - - int value = mult * i; - - if ( value > 0xffff ) - value = 0xffff; - - mCurrentGammaRamp[0][i] = - mCurrentGammaRamp[1][i] = - mCurrentGammaRamp[2][i] = (WORD) value; - }; - - return SetDeviceGammaRamp ( mhDC, mCurrentGammaRamp ); -} - -void LLWindowWin32::setFSAASamples(const U32 fsaa_samples) -{ - ASSERT_MAIN_THREAD(); - mFSAASamples = fsaa_samples; -} - -U32 LLWindowWin32::getFSAASamples() -{ - return mFSAASamples; -} - -LLWindow::LLWindowResolution* LLWindowWin32::getSupportedResolutions(S32 &num_resolutions) -{ - ASSERT_MAIN_THREAD(); - if (!mSupportedResolutions) - { - mSupportedResolutions = new LLWindowResolution[MAX_NUM_RESOLUTIONS]; - DEVMODE dev_mode; - ::ZeroMemory(&dev_mode, sizeof(DEVMODE)); - dev_mode.dmSize = sizeof(DEVMODE); - - mNumSupportedResolutions = 0; - for (S32 mode_num = 0; mNumSupportedResolutions < MAX_NUM_RESOLUTIONS; mode_num++) - { - if (!EnumDisplaySettings(NULL, mode_num, &dev_mode)) - { - break; - } - - if (dev_mode.dmBitsPerPel == BITS_PER_PIXEL && - dev_mode.dmPelsWidth >= 800 && - dev_mode.dmPelsHeight >= 600) - { - bool resolution_exists = false; - for(S32 i = 0; i < mNumSupportedResolutions; i++) - { - if (mSupportedResolutions[i].mWidth == dev_mode.dmPelsWidth && - mSupportedResolutions[i].mHeight == dev_mode.dmPelsHeight) - { - resolution_exists = true; - } - } - if (!resolution_exists) - { - mSupportedResolutions[mNumSupportedResolutions].mWidth = dev_mode.dmPelsWidth; - mSupportedResolutions[mNumSupportedResolutions].mHeight = dev_mode.dmPelsHeight; - mNumSupportedResolutions++; - } - } - } - } - - num_resolutions = mNumSupportedResolutions; - return mSupportedResolutions; -} - - -F32 LLWindowWin32::getNativeAspectRatio() -{ - if (mOverrideAspectRatio > 0.f) - { - return mOverrideAspectRatio; - } - else if (mNativeAspectRatio > 0.f) - { - // we grabbed this value at startup, based on the user's desktop settings - return mNativeAspectRatio; - } - // RN: this hack presumes that the largest supported resolution is monitor-limited - // and that pixels in that mode are square, therefore defining the native aspect ratio - // of the monitor...this seems to work to a close approximation for most CRTs/LCDs - S32 num_resolutions; - LLWindowResolution* resolutions = getSupportedResolutions(num_resolutions); - - return ((F32)resolutions[num_resolutions - 1].mWidth / (F32)resolutions[num_resolutions - 1].mHeight); -} - -F32 LLWindowWin32::getPixelAspectRatio() -{ - F32 pixel_aspect = 1.f; - if (getFullscreen()) - { - LLCoordScreen screen_size; - getSize(&screen_size); - pixel_aspect = getNativeAspectRatio() * (F32)screen_size.mY / (F32)screen_size.mX; - } - - return pixel_aspect; -} - -// Change display resolution. Returns true if successful. -// protected -bool LLWindowWin32::setDisplayResolution(S32 width, S32 height, S32 bits, S32 refresh) -{ - DEVMODE dev_mode; - ::ZeroMemory(&dev_mode, sizeof(DEVMODE)); - dev_mode.dmSize = sizeof(DEVMODE); - bool success = false; - - // Don't change anything if we don't have to - if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode)) - { - if (dev_mode.dmPelsWidth == width && - dev_mode.dmPelsHeight == height && - dev_mode.dmBitsPerPel == bits && - dev_mode.dmDisplayFrequency == refresh ) - { - // ...display mode identical, do nothing - return true; - } - } - - memset(&dev_mode, 0, sizeof(dev_mode)); - dev_mode.dmSize = sizeof(dev_mode); - dev_mode.dmPelsWidth = width; - dev_mode.dmPelsHeight = height; - dev_mode.dmBitsPerPel = bits; - dev_mode.dmDisplayFrequency = refresh; - dev_mode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY; - - // CDS_FULLSCREEN indicates that this is a temporary change to the device mode. - LONG cds_result = ChangeDisplaySettings(&dev_mode, CDS_FULLSCREEN); - - success = (DISP_CHANGE_SUCCESSFUL == cds_result); - - if (!success) - { - LL_WARNS("Window") << "setDisplayResolution failed, " - << width << "x" << height << "x" << bits << " @ " << refresh << LL_ENDL; - } - - return success; -} - -// protected -bool LLWindowWin32::setFullscreenResolution() -{ - if (mFullscreen) - { - return setDisplayResolution( mFullscreenWidth, mFullscreenHeight, mFullscreenBits, mFullscreenRefresh); - } - else - { - return false; - } -} - -// protected -bool LLWindowWin32::resetDisplayResolution() -{ - LL_DEBUGS("Window") << "resetDisplayResolution START" << LL_ENDL; - - LONG cds_result = ChangeDisplaySettings(NULL, 0); - - bool success = (DISP_CHANGE_SUCCESSFUL == cds_result); - - if (!success) - { - LL_WARNS("Window") << "resetDisplayResolution failed" << LL_ENDL; - } - - LL_DEBUGS("Window") << "resetDisplayResolution END" << LL_ENDL; - - return success; -} - -void LLWindowWin32::swapBuffers() -{ - { - LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32; - SwapBuffers(mhDC); - } - - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("GPU Collect"); - LL_PROFILER_GPU_COLLECT; - } -} - - -// -// LLSplashScreenImp -// -LLSplashScreenWin32::LLSplashScreenWin32() -: mWindow(NULL) -{ -} - -LLSplashScreenWin32::~LLSplashScreenWin32() -{ -} - -void LLSplashScreenWin32::showImpl() -{ - // This appears to work. ??? - HINSTANCE hinst = GetModuleHandle(NULL); - - mWindow = CreateDialog(hinst, - TEXT("SPLASHSCREEN"), - NULL, // no parent - (DLGPROC) LLSplashScreenWin32::windowProc); - ShowWindow(mWindow, SW_SHOW); - - // Should set taskbar text without creating a header for the window (caption) - SetWindowTextA(mWindow, "Second Life"); -} - - -void LLSplashScreenWin32::updateImpl(const std::string& mesg) -{ - if (!mWindow) return; - - int output_str_len = MultiByteToWideChar(CP_UTF8, 0, mesg.c_str(), mesg.length(), NULL, 0); - if( output_str_len>1024 ) - return; - - WCHAR w_mesg[1025];//big enought to keep null terminatos - - MultiByteToWideChar (CP_UTF8, 0, mesg.c_str(), mesg.length(), w_mesg, output_str_len); - - //looks like MultiByteToWideChar didn't add null terminator to converted string, see EXT-4858 - w_mesg[output_str_len] = 0; - - SendDlgItemMessage(mWindow, - 666, // HACK: text id - WM_SETTEXT, - FALSE, - (LPARAM)w_mesg); -} - - -void LLSplashScreenWin32::hideImpl() -{ - if (mWindow) - { - if (!destroy_window_handler(mWindow)) - { - LL_WARNS("Window") << "Failed to properly close splash screen window!" << LL_ENDL; - } - mWindow = NULL; - } -} - - -// static -LRESULT CALLBACK LLSplashScreenWin32::windowProc(HWND h_wnd, UINT u_msg, - WPARAM w_param, LPARAM l_param) -{ - // Just give it to windows - return DefWindowProc(h_wnd, u_msg, w_param, l_param); -} - -// -// Helper Funcs -// - -S32 OSMessageBoxWin32(const std::string& text, const std::string& caption, U32 type) -{ - UINT uType; - - switch(type) - { - case OSMB_OK: - uType = MB_OK; - break; - case OSMB_OKCANCEL: - uType = MB_OKCANCEL; - break; - case OSMB_YESNO: - uType = MB_YESNO; - break; - default: - uType = MB_OK; - break; - } - - int retval_win = MessageBoxW(NULL, // HWND - ll_convert_string_to_wide(text).c_str(), - ll_convert_string_to_wide(caption).c_str(), - uType); - S32 retval; - - switch(retval_win) - { - case IDYES: - retval = OSBTN_YES; - break; - case IDNO: - retval = OSBTN_NO; - break; - case IDOK: - retval = OSBTN_OK; - break; - case IDCANCEL: - retval = OSBTN_CANCEL; - break; - default: - retval = OSBTN_CANCEL; - break; - } - - return retval; -} - - -void LLWindowWin32::spawnWebBrowser(const std::string& escaped_url, bool async) -{ - bool found = false; - S32 i; - for (i = 0; i < gURLProtocolWhitelistCount; i++) - { - if (escaped_url.find(gURLProtocolWhitelist[i]) == 0) - { - found = true; - break; - } - } - - if (!found) - { - LL_WARNS("Window") << "spawn_web_browser() called for url with protocol not on whitelist: " << escaped_url << LL_ENDL; - return; - } - - LL_INFOS("Window") << "Opening URL " << escaped_url << LL_ENDL; - - // replaced ShellExecute code with ShellExecuteEx since ShellExecute doesn't work - // reliablly on Vista. - - // this is madness.. no, this is.. - LLWString url_wstring = utf8str_to_wstring( escaped_url ); - llutf16string url_utf16 = wstring_to_utf16str( url_wstring ); - - // let the OS decide what to use to open the URL - SHELLEXECUTEINFO sei = { sizeof( sei ) }; - // NOTE: this assumes that SL will stick around long enough to complete the DDE message exchange - // necessary for ShellExecuteEx to complete - if (async) - { - sei.fMask = SEE_MASK_ASYNCOK; - } - sei.nShow = SW_SHOWNORMAL; - sei.lpVerb = L"open"; - sei.lpFile = url_utf16.c_str(); - ShellExecuteEx( &sei ); -} - -/* - Make the raw keyboard data available - used to poke through to LLQtWebKit so - that Qt/Webkit has access to the virtual keycodes etc. that it needs -*/ -LLSD LLWindowWin32::getNativeKeyData() -{ - LLSD result = LLSD::emptyMap(); - - result["scan_code"] = (S32)mKeyScanCode; - result["virtual_key"] = (S32)mKeyVirtualKey; - result["msg"] = ll_sd_from_U32(mRawMsg); - result["w_param"] = ll_sd_from_U32(mRawWParam); - result["l_param"] = ll_sd_from_U32(mRawLParam); - - return result; -} - -bool LLWindowWin32::dialogColorPicker( F32 *r, F32 *g, F32 *b ) -{ - bool retval = false; - - static CHOOSECOLOR cc; - static COLORREF crCustColors[16]; - cc.lStructSize = sizeof(CHOOSECOLOR); - cc.hwndOwner = mWindowHandle; - cc.hInstance = NULL; - cc.rgbResult = RGB ((*r * 255.f),(*g *255.f),(*b * 255.f)); - //cc.rgbResult = RGB (0x80,0x80,0x80); - cc.lpCustColors = crCustColors; - cc.Flags = CC_RGBINIT | CC_FULLOPEN; - cc.lCustData = 0; - cc.lpfnHook = NULL; - cc.lpTemplateName = NULL; - - // This call is modal, so pause agent - //send_agent_pause(); // this is in newview and we don't want to set up a dependency - { - retval = ChooseColor(&cc); - } - //send_agent_resume(); // this is in newview and we don't want to set up a dependency - - *b = ((F32)((cc.rgbResult >> 16) & 0xff)) / 255.f; - - *g = ((F32)((cc.rgbResult >> 8) & 0xff)) / 255.f; - - *r = ((F32)(cc.rgbResult & 0xff)) / 255.f; - - return (retval); -} - -void *LLWindowWin32::getPlatformWindow() -{ - return (void*)mWindowHandle; -} - -void LLWindowWin32::bringToFront() -{ - mWindowThread->post([=]() - { - BringWindowToTop(mWindowHandle); - }); -} - -// set (OS) window focus back to the client -void LLWindowWin32::focusClient() -{ - mWindowThread->post([=]() - { - SetFocus(mWindowHandle); - }); -} - -void LLWindowWin32::allowLanguageTextInput(LLPreeditor *preeditor, bool b) -{ - if (b == sLanguageTextInputAllowed || !LLWinImm::isAvailable()) - { - return; - } - - if (preeditor != mPreeditor && !b) - { - // This condition may occur with a call to - // setEnabled(bool) from LLTextEditor or LLLineEditor - // when the control is not focused. - // We need to silently ignore the case so that - // the language input status of the focused control - // is not disturbed. - return; - } - - // Take care of old and new preeditors. - if (preeditor != mPreeditor || !b) - { - if (sLanguageTextInputAllowed) - { - interruptLanguageTextInput(); - } - mPreeditor = (b ? preeditor : NULL); - } - - sLanguageTextInputAllowed = b; - - if (sLanguageTextInputAllowed) - { - mWindowThread->post([=]() - { - // Allowing: Restore the previous IME status, so that the user has a feeling that the previous - // text input continues naturally. Be careful, however, the IME status is meaningful only during the user keeps - // using same Input Locale (aka Keyboard Layout). - if (sWinIMEOpened && GetKeyboardLayout(0) == sWinInputLocale) - { - HIMC himc = LLWinImm::getContext(mWindowHandle); - LLWinImm::setOpenStatus(himc, true); - LLWinImm::setConversionStatus(himc, sWinIMEConversionMode, sWinIMESentenceMode); - LLWinImm::releaseContext(mWindowHandle, himc); - } - }); - } - else - { - mWindowThread->post([=]() - { - // Disallowing: Turn off the IME so that succeeding key events bypass IME and come to us directly. - // However, do it after saving the current IME status. We need to restore the status when - // allowing language text input again. - sWinInputLocale = GetKeyboardLayout(0); - sWinIMEOpened = LLWinImm::isIME(sWinInputLocale); - if (sWinIMEOpened) - { - HIMC himc = LLWinImm::getContext(mWindowHandle); - sWinIMEOpened = LLWinImm::getOpenStatus(himc); - if (sWinIMEOpened) - { - LLWinImm::getConversionStatus(himc, &sWinIMEConversionMode, &sWinIMESentenceMode); - - // We need both ImmSetConversionStatus and ImmSetOpenStatus here to surely disable IME's - // keyboard hooking, because Some IME reacts only on the former and some other on the latter... - LLWinImm::setConversionStatus(himc, IME_CMODE_NOCONVERSION, sWinIMESentenceMode); - LLWinImm::setOpenStatus(himc, false); - } - LLWinImm::releaseContext(mWindowHandle, himc); - } - }); - } -} - -void LLWindowWin32::fillCandidateForm(const LLCoordGL& caret, const LLRect& bounds, - CANDIDATEFORM *form) -{ - LLCoordWindow caret_coord, top_left, bottom_right; - convertCoords(caret, &caret_coord); - convertCoords(LLCoordGL(bounds.mLeft, bounds.mTop), &top_left); - convertCoords(LLCoordGL(bounds.mRight, bounds.mBottom), &bottom_right); - - memset(form, 0, sizeof(CANDIDATEFORM)); - form->dwStyle = CFS_EXCLUDE; - form->ptCurrentPos.x = caret_coord.mX; - form->ptCurrentPos.y = caret_coord.mY; - form->rcArea.left = top_left.mX; - form->rcArea.top = top_left.mY; - form->rcArea.right = bottom_right.mX; - form->rcArea.bottom = bottom_right.mY; -} - - -// Put the IME window at the right place (near current text input). Point coordinates should be the top of the current text line. -void LLWindowWin32::setLanguageTextInput( const LLCoordGL & position ) -{ - if (sLanguageTextInputAllowed && LLWinImm::isAvailable()) - { - HIMC himc = LLWinImm::getContext(mWindowHandle); - - LLCoordWindow win_pos; - convertCoords( position, &win_pos ); - - if ( win_pos.mX >= 0 && win_pos.mY >= 0 && - (win_pos.mX != sWinIMEWindowPosition.mX) || (win_pos.mY != sWinIMEWindowPosition.mY) ) - { - COMPOSITIONFORM ime_form; - memset( &ime_form, 0, sizeof(ime_form) ); - ime_form.dwStyle = CFS_POINT; - ime_form.ptCurrentPos.x = win_pos.mX; - ime_form.ptCurrentPos.y = win_pos.mY; - - LLWinImm::setCompositionWindow( himc, &ime_form ); - - sWinIMEWindowPosition = win_pos; - } - - LLWinImm::releaseContext(mWindowHandle, himc); - } -} - - -void LLWindowWin32::fillCharPosition(const LLCoordGL& caret, const LLRect& bounds, const LLRect& control, - IMECHARPOSITION *char_position) -{ - LLCoordScreen caret_coord, top_left, bottom_right; - convertCoords(caret, &caret_coord); - convertCoords(LLCoordGL(bounds.mLeft, bounds.mTop), &top_left); - convertCoords(LLCoordGL(bounds.mRight, bounds.mBottom), &bottom_right); - - char_position->pt.x = caret_coord.mX; - char_position->pt.y = top_left.mY; // Windows wants the coordinate of upper left corner of a character... - char_position->cLineHeight = bottom_right.mY - top_left.mY; - char_position->rcDocument.left = top_left.mX; - char_position->rcDocument.top = top_left.mY; - char_position->rcDocument.right = bottom_right.mX; - char_position->rcDocument.bottom = bottom_right.mY; -} - -void LLWindowWin32::fillCompositionLogfont(LOGFONT *logfont) -{ - // Our font is a list of FreeType recognized font files that may - // not have a corresponding ones in Windows' fonts. Hence, we - // can't simply tell Windows which font we are using. We will - // notify a _standard_ font for a current input locale instead. - // We use a hard-coded knowledge about the Windows' standard - // configuration to do so... - - memset(logfont, 0, sizeof(LOGFONT)); - - const WORD lang_id = LOWORD(GetKeyboardLayout(0)); - switch (PRIMARYLANGID(lang_id)) - { - case LANG_CHINESE: - // We need to identify one of two Chinese fonts. - switch (SUBLANGID(lang_id)) - { - case SUBLANG_CHINESE_SIMPLIFIED: - case SUBLANG_CHINESE_SINGAPORE: - logfont->lfCharSet = GB2312_CHARSET; - lstrcpy(logfont->lfFaceName, TEXT("SimHei")); - break; - case SUBLANG_CHINESE_TRADITIONAL: - case SUBLANG_CHINESE_HONGKONG: - case SUBLANG_CHINESE_MACAU: - default: - logfont->lfCharSet = CHINESEBIG5_CHARSET; - lstrcpy(logfont->lfFaceName, TEXT("MingLiU")); - break; - } - break; - case LANG_JAPANESE: - logfont->lfCharSet = SHIFTJIS_CHARSET; - lstrcpy(logfont->lfFaceName, TEXT("MS Gothic")); - break; - case LANG_KOREAN: - logfont->lfCharSet = HANGUL_CHARSET; - lstrcpy(logfont->lfFaceName, TEXT("Gulim")); - break; - default: - logfont->lfCharSet = ANSI_CHARSET; - lstrcpy(logfont->lfFaceName, TEXT("Tahoma")); - break; - } - - logfont->lfHeight = mPreeditor->getPreeditFontSize(); - logfont->lfWeight = FW_NORMAL; -} - -U32 LLWindowWin32::fillReconvertString(const LLWString &text, - S32 focus, S32 focus_length, RECONVERTSTRING *reconvert_string) -{ - const llutf16string text_utf16 = wstring_to_utf16str(text); - const DWORD required_size = sizeof(RECONVERTSTRING) + (text_utf16.length() + 1) * sizeof(WCHAR); - if (reconvert_string && reconvert_string->dwSize >= required_size) - { - const DWORD focus_utf16_at = wstring_utf16_length(text, 0, focus); - const DWORD focus_utf16_length = wstring_utf16_length(text, focus, focus_length); - - reconvert_string->dwVersion = 0; - reconvert_string->dwStrLen = text_utf16.length(); - reconvert_string->dwStrOffset = sizeof(RECONVERTSTRING); - reconvert_string->dwCompStrLen = focus_utf16_length; - reconvert_string->dwCompStrOffset = focus_utf16_at * sizeof(WCHAR); - reconvert_string->dwTargetStrLen = 0; - reconvert_string->dwTargetStrOffset = focus_utf16_at * sizeof(WCHAR); - - const LPWSTR text = (LPWSTR)((BYTE *)reconvert_string + sizeof(RECONVERTSTRING)); - memcpy(text, text_utf16.c_str(), (text_utf16.length() + 1) * sizeof(WCHAR)); - } - return required_size; -} - -void LLWindowWin32::updateLanguageTextInputArea() -{ - if (!mPreeditor || !LLWinImm::isAvailable()) - { - return; - } - - LLCoordGL caret_coord; - LLRect preedit_bounds; - if (mPreeditor->getPreeditLocation(-1, &caret_coord, &preedit_bounds, NULL)) - { - mLanguageTextInputPointGL = caret_coord; - mLanguageTextInputAreaGL = preedit_bounds; - - CANDIDATEFORM candidate_form; - fillCandidateForm(caret_coord, preedit_bounds, &candidate_form); - - HIMC himc = LLWinImm::getContext(mWindowHandle); - // Win32 document says there may be up to 4 candidate windows. - // This magic number 4 appears only in the document, and - // there are no constant/macro for the value... - for (int i = 3; i >= 0; --i) - { - candidate_form.dwIndex = i; - LLWinImm::setCandidateWindow(himc, &candidate_form); - } - LLWinImm::releaseContext(mWindowHandle, himc); - } -} - -void LLWindowWin32::interruptLanguageTextInput() -{ - ASSERT_MAIN_THREAD(); - if (mPreeditor && LLWinImm::isAvailable()) - { - HIMC himc = LLWinImm::getContext(mWindowHandle); - LLWinImm::notifyIME(himc, NI_COMPOSITIONSTR, CPS_COMPLETE, 0); - LLWinImm::releaseContext(mWindowHandle, himc); - } -} - -void LLWindowWin32::handleStartCompositionMessage() -{ - // Let IME know the font to use in feedback UI. - LOGFONT logfont; - fillCompositionLogfont(&logfont); - HIMC himc = LLWinImm::getContext(mWindowHandle); - LLWinImm::setCompositionFont(himc, &logfont); - LLWinImm::releaseContext(mWindowHandle, himc); -} - -// Handle WM_IME_COMPOSITION message. - -void LLWindowWin32::handleCompositionMessage(const U32 indexes) -{ - if (!mPreeditor) - { - return; - } - bool needs_update = false; - LLWString result_string; - LLWString preedit_string; - S32 preedit_string_utf16_length = 0; - LLPreeditor::segment_lengths_t preedit_segment_lengths; - LLPreeditor::standouts_t preedit_standouts; - - // Step I: Receive details of preedits from IME. - - HIMC himc = LLWinImm::getContext(mWindowHandle); - - if (indexes & GCS_RESULTSTR) - { - LONG size = LLWinImm::getCompositionString(himc, GCS_RESULTSTR, NULL, 0); - if (size >= 0) - { - const LPWSTR data = new WCHAR[size / sizeof(WCHAR) + 1]; - size = LLWinImm::getCompositionString(himc, GCS_RESULTSTR, data, size); - if (size > 0) - { - result_string = utf16str_to_wstring(llutf16string(data, size / sizeof(WCHAR))); - } - delete[] data; - needs_update = true; - } - } - - if (indexes & GCS_COMPSTR) - { - LONG size = LLWinImm::getCompositionString(himc, GCS_COMPSTR, NULL, 0); - if (size >= 0) - { - const LPWSTR data = new WCHAR[size / sizeof(WCHAR) + 1]; - size = LLWinImm::getCompositionString(himc, GCS_COMPSTR, data, size); - if (size > 0) - { - preedit_string_utf16_length = size / sizeof(WCHAR); - preedit_string = utf16str_to_wstring(llutf16string(data, size / sizeof(WCHAR))); - } - delete[] data; - needs_update = true; - } - } - - if ((indexes & GCS_COMPCLAUSE) && preedit_string.length() > 0) - { - LONG size = LLWinImm::getCompositionString(himc, GCS_COMPCLAUSE, NULL, 0); - if (size > 0) - { - const LPDWORD data = new DWORD[size / sizeof(DWORD)]; - size = LLWinImm::getCompositionString(himc, GCS_COMPCLAUSE, data, size); - if (size >= sizeof(DWORD) * 2 - && data[0] == 0 && data[size / sizeof(DWORD) - 1] == preedit_string_utf16_length) - { - preedit_segment_lengths.resize(size / sizeof(DWORD) - 1); - S32 offset = 0; - for (U32 i = 0; i < preedit_segment_lengths.size(); i++) - { - const S32 length = wstring_wstring_length_from_utf16_length(preedit_string, offset, data[i + 1] - data[i]); - preedit_segment_lengths[i] = length; - offset += length; - } - } - delete[] data; - } - } - - if ((indexes & GCS_COMPATTR) && preedit_segment_lengths.size() > 1) - { - LONG size = LLWinImm::getCompositionString(himc, GCS_COMPATTR, NULL, 0); - if (size > 0) - { - const LPBYTE data = new BYTE[size / sizeof(BYTE)]; - size = LLWinImm::getCompositionString(himc, GCS_COMPATTR, data, size); - if (size == preedit_string_utf16_length) - { - preedit_standouts.assign(preedit_segment_lengths.size(), false); - S32 offset = 0; - for (U32 i = 0; i < preedit_segment_lengths.size(); i++) - { - if (ATTR_TARGET_CONVERTED == data[offset] || ATTR_TARGET_NOTCONVERTED == data[offset]) - { - preedit_standouts[i] = true; - } - offset += wstring_utf16_length(preedit_string, offset, preedit_segment_lengths[i]); - } - } - delete[] data; - } - } - - S32 caret_position = preedit_string.length(); - if (indexes & GCS_CURSORPOS) - { - const S32 caret_position_utf16 = LLWinImm::getCompositionString(himc, GCS_CURSORPOS, NULL, 0); - if (caret_position_utf16 >= 0 && caret_position <= preedit_string_utf16_length) - { - caret_position = wstring_wstring_length_from_utf16_length(preedit_string, 0, caret_position_utf16); - } - } - - if (indexes == 0) - { - // I'm not sure this condition really happens, but - // Windows SDK document says it is an indication - // of "reset everything." - needs_update = true; - } - - LLWinImm::releaseContext(mWindowHandle, himc); - - // Step II: Update the active preeditor. - - if (needs_update) - { - if (preedit_string.length() != 0 || result_string.length() != 0) - { - mPreeditor->resetPreedit(); - } - - if (result_string.length() > 0) - { - for (LLWString::const_iterator i = result_string.begin(); i != result_string.end(); i++) - { - mPreeditor->handleUnicodeCharHere(*i); - } - } - - if (preedit_string.length() == 0) - { - preedit_segment_lengths.clear(); - preedit_standouts.clear(); - } - else - { - if (preedit_segment_lengths.size() == 0) - { - preedit_segment_lengths.assign(1, preedit_string.length()); - } - if (preedit_standouts.size() == 0) - { - preedit_standouts.assign(preedit_segment_lengths.size(), false); - } - } - mPreeditor->updatePreedit(preedit_string, preedit_segment_lengths, preedit_standouts, caret_position); - - // Some IME doesn't query char position after WM_IME_COMPOSITION, - // so we need to update them actively. - updateLanguageTextInputArea(); - } -} - -// Given a text and a focus range, find_context finds and returns a -// surrounding context of the focused subtext. A variable pointed -// to by offset receives the offset in llwchars of the beginning of -// the returned context string in the given wtext. - -static LLWString find_context(const LLWString & wtext, S32 focus, S32 focus_length, S32 *offset) -{ - static const S32 CONTEXT_EXCESS = 30; // This value is by experiences. - - const S32 e = llmin((S32) wtext.length(), focus + focus_length + CONTEXT_EXCESS); - S32 end = focus + focus_length; - while (end < e && '\n' != wtext[end]) - { - end++; - } - - const S32 s = llmax(0, focus - CONTEXT_EXCESS); - S32 start = focus; - while (start > s && '\n' != wtext[start - 1]) - { - --start; - } - - *offset = start; - return wtext.substr(start, end - start); -} - -// final stage of handling drop requests - both from WM_DROPFILES message -// for files and via IDropTarget interface requests. -LLWindowCallbacks::DragNDropResult LLWindowWin32::completeDragNDropRequest( const LLCoordGL gl_coord, const MASK mask, LLWindowCallbacks::DragNDropAction action, const std::string url ) -{ - ASSERT_MAIN_THREAD(); - return mCallbacks->handleDragNDrop( this, gl_coord, mask, action, url ); -} - -// Handle WM_IME_REQUEST message. -// If it handled the message, returns true. Otherwise, false. -// When it handled the message, the value to be returned from -// the Window Procedure is set to *result. - -bool LLWindowWin32::handleImeRequests(WPARAM request, LPARAM param, LRESULT *result) -{ - if ( mPreeditor ) - { - switch (request) - { - case IMR_CANDIDATEWINDOW: // http://msdn2.microsoft.com/en-us/library/ms776080.aspx - { - LLCoordGL caret_coord; - LLRect preedit_bounds; - mPreeditor->getPreeditLocation(-1, &caret_coord, &preedit_bounds, NULL); - - CANDIDATEFORM *const form = (CANDIDATEFORM *)param; - DWORD const dwIndex = form->dwIndex; - fillCandidateForm(caret_coord, preedit_bounds, form); - form->dwIndex = dwIndex; - - *result = 1; - return true; - } - case IMR_QUERYCHARPOSITION: - { - IMECHARPOSITION *const char_position = (IMECHARPOSITION *)param; - - // char_position->dwCharPos counts in number of - // WCHARs, i.e., UTF-16 encoding units, so we can't simply pass the - // number to getPreeditLocation. - - const LLWString & wtext = mPreeditor->getPreeditString(); - S32 preedit, preedit_length; - mPreeditor->getPreeditRange(&preedit, &preedit_length); - LLCoordGL caret_coord; - LLRect preedit_bounds, text_control; - const S32 position = wstring_wstring_length_from_utf16_length(wtext, preedit, char_position->dwCharPos); - - if (!mPreeditor->getPreeditLocation(position, &caret_coord, &preedit_bounds, &text_control)) - { - LL_WARNS("Window") << "*** IMR_QUERYCHARPOSITON called but getPreeditLocation failed." << LL_ENDL; - return false; - } - - fillCharPosition(caret_coord, preedit_bounds, text_control, char_position); - - *result = 1; - return true; - } - case IMR_COMPOSITIONFONT: - { - fillCompositionLogfont((LOGFONT *)param); - - *result = 1; - return true; - } - case IMR_RECONVERTSTRING: - { - mPreeditor->resetPreedit(); - const LLWString & wtext = mPreeditor->getPreeditString(); - S32 select, select_length; - mPreeditor->getSelectionRange(&select, &select_length); - - S32 context_offset; - const LLWString context = find_context(wtext, select, select_length, &context_offset); - - RECONVERTSTRING * const reconvert_string = (RECONVERTSTRING *)param; - const U32 size = fillReconvertString(context, select - context_offset, select_length, reconvert_string); - if (reconvert_string) - { - if (select_length == 0) - { - // Let the IME to decide the reconversion range, and - // adjust the reconvert_string structure accordingly. - HIMC himc = LLWinImm::getContext(mWindowHandle); - const bool adjusted = LLWinImm::setCompositionString(himc, - SCS_QUERYRECONVERTSTRING, reconvert_string, size, NULL, 0); - LLWinImm::releaseContext(mWindowHandle, himc); - if (adjusted) - { - const llutf16string & text_utf16 = wstring_to_utf16str(context); - const S32 new_preedit_start = reconvert_string->dwCompStrOffset / sizeof(WCHAR); - const S32 new_preedit_end = new_preedit_start + reconvert_string->dwCompStrLen; - select = utf16str_wstring_length(text_utf16, new_preedit_start); - select_length = utf16str_wstring_length(text_utf16, new_preedit_end) - select; - select += context_offset; - } - } - mPreeditor->markAsPreedit(select, select_length); - } - - *result = size; - return true; - } - case IMR_CONFIRMRECONVERTSTRING: - { - *result = 0; - return true; - } - case IMR_DOCUMENTFEED: - { - const LLWString & wtext = mPreeditor->getPreeditString(); - S32 preedit, preedit_length; - mPreeditor->getPreeditRange(&preedit, &preedit_length); - - S32 context_offset; - LLWString context = find_context(wtext, preedit, preedit_length, &context_offset); - preedit -= context_offset; - preedit_length = llmin(preedit_length, (S32)context.length() - preedit); - if (preedit_length > 0 && preedit >= 0) - { - // IMR_DOCUMENTFEED may be called when we have an active preedit. - // We should pass the context string *excluding* the preedit string. - // Otherwise, some IME are confused. - context.erase(preedit, preedit_length); - } - - RECONVERTSTRING *reconvert_string = (RECONVERTSTRING *)param; - *result = fillReconvertString(context, preedit, 0, reconvert_string); - return true; - } - default: - return false; - } - } - - return false; -} - -//static -void LLWindowWin32::setDPIAwareness() -{ - HMODULE hShcore = LoadLibrary(L"shcore.dll"); - if (hShcore != NULL) - { - SetProcessDpiAwarenessType pSPDA; - pSPDA = (SetProcessDpiAwarenessType)GetProcAddress(hShcore, "SetProcessDpiAwareness"); - if (pSPDA) - { - - HRESULT hr = pSPDA(PROCESS_PER_MONITOR_DPI_AWARE); - if (hr != S_OK) - { - LL_WARNS() << "SetProcessDpiAwareness() function returned an error. Will use legacy DPI awareness API of Win XP/7" << LL_ENDL; - } - } - FreeLibrary(hShcore); - } - else - { - LL_WARNS() << "Could not load shcore.dll library (included by <ShellScalingAPI.h> from Win 8.1 SDK. Will use legacy DPI awareness API of Win XP/7" << LL_ENDL; - } -} - -void* LLWindowWin32::getDirectInput8() -{ - return &gDirectInput8; -} - -bool LLWindowWin32::getInputDevices(U32 device_type_filter, void * di8_devices_callback, void* userdata) -{ - if (gDirectInput8 != NULL) - { - // Enumerate devices - HRESULT status = gDirectInput8->EnumDevices( - (DWORD) device_type_filter, // DWORD dwDevType, - (LPDIENUMDEVICESCALLBACK)di8_devices_callback, // LPDIENUMDEVICESCALLBACK lpCallback, // BOOL DIEnumDevicesCallback( LPCDIDEVICEINSTANCE lpddi, LPVOID pvRef ) // BOOL CALLBACK DinputDevice::DevicesCallback - (LPVOID*)userdata, // LPVOID pvRef - DIEDFL_ATTACHEDONLY // DWORD dwFlags - ); - - return status == DI_OK; - } - return false; -} - -F32 LLWindowWin32::getSystemUISize() -{ - F32 scale_value = 1.f; - HWND hWnd = (HWND)getPlatformWindow(); - HDC hdc = GetDC(hWnd); - HMONITOR hMonitor; - HANDLE hProcess = GetCurrentProcess(); - PROCESS_DPI_AWARENESS dpi_awareness; - - HMODULE hShcore = LoadLibrary(L"shcore.dll"); - - if (hShcore != NULL) - { - GetProcessDpiAwarenessType pGPDA; - pGPDA = (GetProcessDpiAwarenessType)GetProcAddress(hShcore, "GetProcessDpiAwareness"); - GetDpiForMonitorType pGDFM; - pGDFM = (GetDpiForMonitorType)GetProcAddress(hShcore, "GetDpiForMonitor"); - if (pGPDA != NULL && pGDFM != NULL) - { - pGPDA(hProcess, &dpi_awareness); - if (dpi_awareness == PROCESS_PER_MONITOR_DPI_AWARE) - { - POINT pt; - UINT dpix = 0, dpiy = 0; - HRESULT hr = E_FAIL; - RECT rect; - - GetWindowRect(hWnd, &rect); - // Get the DPI for the monitor, on which the center of window is displayed and set the scaling factor - pt.x = (rect.left + rect.right) / 2; - pt.y = (rect.top + rect.bottom) / 2; - hMonitor = MonitorFromPoint(pt, MONITOR_DEFAULTTONEAREST); - hr = pGDFM(hMonitor, MDT_EFFECTIVE_DPI, &dpix, &dpiy); - if (hr == S_OK) - { - scale_value = F32(dpix) / F32(USER_DEFAULT_SCREEN_DPI); - } - else - { - LL_WARNS() << "Could not determine DPI for monitor. Setting scale to default 100 %" << LL_ENDL; - scale_value = 1.0f; - } - } - else - { - LL_WARNS() << "Process is not per-monitor DPI-aware. Setting scale to default 100 %" << LL_ENDL; - scale_value = 1.0f; - } - } - FreeLibrary(hShcore); - } - else - { - LL_WARNS() << "Could not load shcore.dll library (included by <ShellScalingAPI.h> from Win 8.1 SDK). Using legacy DPI awareness API of Win XP/7" << LL_ENDL; - scale_value = F32(GetDeviceCaps(hdc, LOGPIXELSX)) / F32(USER_DEFAULT_SCREEN_DPI); - } - - ReleaseDC(hWnd, hdc); - return scale_value; -} - -//static -std::vector<std::string> LLWindowWin32::getDisplaysResolutionList() -{ - return sMonitorInfo.getResolutionsList(); -} - -//static -std::vector<std::string> LLWindowWin32::getDynamicFallbackFontList() -{ - // Fonts previously in getFontListSans() have moved to fonts.xml. - return std::vector<std::string>(); -} - -void LLWindowWin32::setMaxVRAMMegabytes(U32 max_vram) -{ - if (mWindowThread) - { - mWindowThread->mMaxVRAM = max_vram; - } -} - -#endif // LL_WINDOWS - -inline LLWindowWin32::LLWindowWin32Thread::LLWindowWin32Thread() - : LL::ThreadPool("Window Thread", 1, MAX_QUEUE_SIZE, true /*should be false, temporary workaround for SL-18721*/) -{ - LL::ThreadPool::start(); -} - -void LLWindowWin32::LLWindowWin32Thread::close() -{ - if (!mQueue->isClosed()) - { - LL_WARNS() << "Closing window thread without using destroy_window_handler" << LL_ENDL; - LL::ThreadPool::close(); - - // Workaround for SL-18721 in case window closes too early and abruptly - LLSplashScreen::show(); - LLSplashScreen::update("..."); // will be updated later - } -} - - -/** - * LogChange is to log changes in status while trying to avoid spamming the - * log with repeated messages, especially in a tight loop. It refuses to log - * a continuous run of identical messages, but logs every time the message - * changes. (It will happily spam when messages quickly bounce back and - * forth.) - */ -class LogChange -{ -public: - LogChange(const std::string& tag): - mTag(tag) - {} - - template <typename... Items> - void always(Items&&... items) - { - // This odd construct ensures that the stringize() call is only - // executed if DEBUG logging is enabled for the passed tag. - LL_DEBUGS(mTag.c_str()); - log(LL_CONT, stringize(std::forward<Items>(items)...)); - LL_ENDL; - } - - template <typename... Items> - void onChange(Items&&... items) - { - LL_DEBUGS(mTag.c_str()); - auto str = stringize(std::forward<Items>(items)...); - if (str != mPrev) - { - log(LL_CONT, str); - } - LL_ENDL; - } - -private: - void log(std::ostream& out, const std::string& message) - { - mPrev = message; - out << message; - } - std::string mTag; - std::string mPrev; -}; - -// Print hardware debug info about available graphics adapters in ordinal order -void debugEnumerateGraphicsAdapters() -{ - LL_INFOS("Window") << "Enumerating graphics adapters..." << LL_ENDL; - - IDXGIFactory1* factory; - HRESULT res = CreateDXGIFactory1(__uuidof(IDXGIFactory1), (void**)&factory); - if (FAILED(res) || !factory) - { - LL_WARNS() << "CreateDXGIFactory1 failed: 0x" << std::hex << res << LL_ENDL; - } - else - { - UINT graphics_adapter_index = 0; - IDXGIAdapter3* dxgi_adapter; - while (true) - { - res = factory->EnumAdapters(graphics_adapter_index, reinterpret_cast<IDXGIAdapter**>(&dxgi_adapter)); - if (FAILED(res)) - { - if (graphics_adapter_index == 0) - { - LL_WARNS() << "EnumAdapters failed: 0x" << std::hex << res << LL_ENDL; - } - else - { - LL_INFOS("Window") << "Done enumerating graphics adapters" << LL_ENDL; - } - } - else - { - DXGI_ADAPTER_DESC desc; - dxgi_adapter->GetDesc(&desc); - std::wstring description_w((wchar_t*)desc.Description); - std::string description(description_w.begin(), description_w.end()); - LL_INFOS("Window") << "Graphics adapter index: " << graphics_adapter_index << ", " - << "Description: " << description << ", " - << "DeviceId: " << desc.DeviceId << ", " - << "SubSysId: " << desc.SubSysId << ", " - << "AdapterLuid: " << desc.AdapterLuid.HighPart << "_" << desc.AdapterLuid.LowPart << ", " - << "DedicatedVideoMemory: " << desc.DedicatedVideoMemory / 1024 / 1024 << ", " - << "DedicatedSystemMemory: " << desc.DedicatedSystemMemory / 1024 / 1024 << ", " - << "SharedSystemMemory: " << desc.SharedSystemMemory / 1024 / 1024 << LL_ENDL; - } - - if (dxgi_adapter) - { - dxgi_adapter->Release(); - dxgi_adapter = NULL; - } - else - { - break; - } - - graphics_adapter_index++; - } - } - - if (factory) - { - factory->Release(); - } -} - -void LLWindowWin32::LLWindowWin32Thread::initDX() -{ - if (!mGLReady) { return; } - - if (mDXGIAdapter == NULL) - { - debugEnumerateGraphicsAdapters(); - - IDXGIFactory4* pFactory = nullptr; - - HRESULT res = CreateDXGIFactory1(__uuidof(IDXGIFactory4), (void**)&pFactory); - - if (FAILED(res)) - { - LL_WARNS() << "CreateDXGIFactory1 failed: 0x" << std::hex << res << LL_ENDL; - } - else - { - res = pFactory->EnumAdapters(0, reinterpret_cast<IDXGIAdapter**>(&mDXGIAdapter)); - if (FAILED(res)) - { - LL_WARNS() << "EnumAdapters failed: 0x" << std::hex << res << LL_ENDL; - } - else - { - LL_INFOS() << "EnumAdapters success" << LL_ENDL; - } - } - - if (pFactory) - { - pFactory->Release(); - } - } -} - -void LLWindowWin32::LLWindowWin32Thread::initD3D() -{ - if (!mGLReady) { return; } - - if (mDXGIAdapter == NULL && mD3DDevice == NULL && mWindowHandleThrd != 0) - { - mD3D = Direct3DCreate9(D3D_SDK_VERSION); - - D3DPRESENT_PARAMETERS d3dpp; - - ZeroMemory(&d3dpp, sizeof(d3dpp)); - d3dpp.Windowed = TRUE; - d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; - - HRESULT res = mD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, mWindowHandleThrd, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &mD3DDevice); - - if (FAILED(res)) - { - LL_WARNS() << "(fallback) CreateDevice failed: 0x" << std::hex << res << LL_ENDL; - } - else - { - LL_INFOS() << "(fallback) CreateDevice success" << LL_ENDL; - } - } -} - -void LLWindowWin32::LLWindowWin32Thread::cleanupDX() -{ - //clean up DXGI/D3D resources - if (mDXGIAdapter) - { - mDXGIAdapter->Release(); - mDXGIAdapter = nullptr; - } - - if (mD3DDevice) - { - mD3DDevice->Release(); - mD3DDevice = nullptr; - } - - if (mD3D) - { - mD3D->Release(); - mD3D = nullptr; - } -} - -void LLWindowWin32::LLWindowWin32Thread::run() -{ - sWindowThreadId = std::this_thread::get_id(); - LogChange logger("Window"); - - //as good a place as any to up the MM timer resolution (see ms_sleep) - //attempt to set timer resolution to 1ms - TIMECAPS tc; - if (timeGetDevCaps(&tc, sizeof(TIMECAPS)) == TIMERR_NOERROR) - { - timeBeginPeriod(llclamp((U32) 1, tc.wPeriodMin, tc.wPeriodMax)); - } - - while (! getQueue().done()) - { - LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32; - - // lazily call initD3D inside this loop to catch when mGLReady has been set to true - initDX(); - - if (mWindowHandleThrd != 0) - { - // lazily call initD3D inside this loop to catch when mWindowHandle has been set, and mGLReady has been set to true - // *TODO: Shutdown if this fails when mWindowHandle exists - initD3D(); - - MSG msg; - BOOL status; - if (mhDCThrd == 0) - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("w32t - PeekMessage"); - logger.onChange("PeekMessage(", std::hex, mWindowHandleThrd, ")"); - status = PeekMessage(&msg, mWindowHandleThrd, 0, 0, PM_REMOVE); - } - else - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("w32t - GetMessage"); - logger.always("GetMessage(", std::hex, mWindowHandleThrd, ")"); - status = GetMessage(&msg, NULL, 0, 0); - } - if (status > 0) - { - logger.always("got MSG (", std::hex, msg.hwnd, ", ", msg.message, - ", ", msg.wParam, ")"); - TranslateMessage(&msg); - DispatchMessage(&msg); - - mMessageQueue.pushFront(msg); - } - } - - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("w32t - Function Queue"); - logger.onChange("runPending()"); - //process any pending functions - getQueue().runPending(); - } - -#if 0 - { - LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("w32t - Sleep"); - logger.always("sleep(1)"); - std::this_thread::sleep_for(std::chrono::milliseconds(1)); - } -#endif - } - - cleanupDX(); -} - -void LLWindowWin32::LLWindowWin32Thread::wakeAndDestroy() -{ - if (mQueue->isClosed()) - { - LL_WARNS() << "Tried to close Queue. Win32 thread Queue already closed." << LL_ENDL; - return; - } - - // Make sure we don't leave a blank toolbar button. - // Also hiding window now prevents user from suspending it - // via some action (like dragging it around) - ShowWindow(mWindowHandleThrd, SW_HIDE); - - // Schedule destruction - HWND old_handle = mWindowHandleThrd; - post([this]() - { - if (IsWindow(mWindowHandleThrd)) - { - if (mhDCThrd) - { - if (!ReleaseDC(mWindowHandleThrd, mhDCThrd)) - { - LL_WARNS("Window") << "Release of ghDC failed!" << LL_ENDL; - } - mhDCThrd = NULL; - } - - // This causes WM_DESTROY to be sent *immediately* - if (!destroy_window_handler(mWindowHandleThrd)) - { - LL_WARNS("Window") << "Failed to destroy Window! " << std::hex << GetLastError() << LL_ENDL; - } - } - else - { - // Something killed the window while we were busy destroying gl or handle somehow got broken - LL_WARNS("Window") << "Failed to destroy Window, invalid handle!" << LL_ENDL; - } - mWindowHandleThrd = NULL; - mhDCThrd = NULL; - mGLReady = false; - }); - - LL_DEBUGS("Window") << "Closing window's pool queue" << LL_ENDL; - mQueue->close(); - - // Post a nonsense user message to wake up the thread in - // case it is waiting for a getMessage() - if (old_handle) - { - WPARAM wparam{ 0xB0B0 }; - LL_DEBUGS("Window") << "PostMessage(" << std::hex << old_handle - << ", " << WM_DUMMY_ - << ", " << wparam << ")" << std::dec << LL_ENDL; - PostMessage(old_handle, WM_DUMMY_, wparam, 0x1337); - } - - // There are cases where window will refuse to close, - // can't wait forever on join, check state instead - LLTimer timeout; - timeout.setTimerExpirySec(2.0); - while (!getQueue().done() && !timeout.hasExpired() && mWindowHandleThrd) - { - ms_sleep(100); - } - - if (getQueue().done() || mWindowHandleThrd == NULL) - { - // Window is closed, started closing or is cleaning up - // now wait for our single thread to die. - if (mWindowHandleThrd) - { - LL_INFOS("Window") << "Window is closing, waiting on pool's thread to join, time since post: " << timeout.getElapsedSeconds() << "s" << LL_ENDL; - } - else - { - LL_DEBUGS("Window") << "Waiting on pool's thread, time since post: " << timeout.getElapsedSeconds() << "s" << LL_ENDL; - } - for (auto& pair : mThreads) - { - pair.second.join(); - } - } - else - { - // Something suspended window thread, can't afford to wait forever - // so kill thread instead - // Ex: This can happen if user starts dragging window arround (if it - // was visible) or a modal notification pops up - LL_WARNS("Window") << "Window is frozen, couldn't perform clean exit" << LL_ENDL; - - for (auto& pair : mThreads) - { - // very unsafe - TerminateThread(pair.second.native_handle(), 0); - pair.second.detach(); - cleanupDX(); - } - } - LL_DEBUGS("Window") << "thread pool shutdown complete" << LL_ENDL; -} - -void LLWindowWin32::post(const std::function<void()>& func) -{ - mFunctionQueue.pushFront(func); -} - -void LLWindowWin32::postMouseButtonEvent(const std::function<void()>& func) -{ - mMouseQueue.pushFront(func); -} - -void LLWindowWin32::kickWindowThread(HWND windowHandle) -{ - if (! windowHandle) - windowHandle = mWindowHandle; - if (windowHandle) - { - // post a nonsense user message to wake up the Window Thread in - // case any functions are pending and no windows events came - // through this frame - WPARAM wparam{ 0xB0B0 }; - LL_DEBUGS("Window") << "PostMessage(" << std::hex << windowHandle - << ", " << WM_DUMMY_ - << ", " << wparam << ")" << std::dec << LL_ENDL; - PostMessage(windowHandle, WM_DUMMY_, wparam, 0x1337); - } -} - -void LLWindowWin32::updateWindowRect() -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32; - //called from window thread - RECT rect; - RECT client_rect; - - if (GetWindowRect(mWindowHandle, &rect) && - GetClientRect(mWindowHandle, &client_rect)) - { - post([=] - { - mRect = rect; - mClientRect = client_rect; - }); - } -} +/**
+ * @file llwindowwin32.cpp
+ * @brief Platform-dependent implementation of llwindow
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#if LL_WINDOWS && !LL_MESA_HEADLESS
+
+#include "llwindowwin32.h"
+
+// LLWindow library includes
+#include "llkeyboardwin32.h"
+#include "lldragdropwin32.h"
+#include "llpreeditor.h"
+#include "llwindowcallbacks.h"
+
+// Linden library includes
+#include "llerror.h"
+#include "llexception.h"
+#include "llfasttimer.h"
+#include "llgl.h"
+#include "llstring.h"
+#include "lldir.h"
+#include "llsdutil.h"
+#include "llglslshader.h"
+#include "llthreadsafequeue.h"
+#include "stringize.h"
+#include "llframetimer.h"
+
+// System includes
+#include <commdlg.h>
+#include <WinUser.h>
+#include <mapi.h>
+#include <process.h> // for _spawn
+#include <shellapi.h>
+#include <fstream>
+#include <Imm.h>
+#include <iomanip>
+#include <future>
+#include <sstream>
+#include <utility> // std::pair
+
+#include <d3d9.h>
+#include <dxgi1_4.h>
+#include <timeapi.h>
+
+// Require DirectInput version 8
+#define DIRECTINPUT_VERSION 0x0800
+
+#include <dinput.h>
+#include <Dbt.h.>
+#include <InitGuid.h> // needed for llurlentry test to build on some systems
+#pragma comment(lib, "dxguid.lib") // needed for llurlentry test to build on some systems
+#pragma comment(lib, "dinput8")
+
+const S32 MAX_MESSAGE_PER_UPDATE = 20;
+const S32 BITS_PER_PIXEL = 32;
+const S32 MAX_NUM_RESOLUTIONS = 32;
+const F32 ICON_FLASH_TIME = 0.5f;
+
+#ifndef WM_DPICHANGED
+#define WM_DPICHANGED 0x02E0
+#endif
+
+#ifndef USER_DEFAULT_SCREEN_DPI
+#define USER_DEFAULT_SCREEN_DPI 96 // Win7
+#endif
+
+// Claim a couple unused GetMessage() message IDs
+const UINT WM_DUMMY_(WM_USER + 0x0017);
+const UINT WM_POST_FUNCTION_(WM_USER + 0x0018);
+
+extern bool gDebugWindowProc;
+
+static std::thread::id sWindowThreadId;
+static std::thread::id sMainThreadId;
+
+#if 1 // flip to zero to enable assertions for functions being called from wrong thread
+#define ASSERT_MAIN_THREAD()
+#define ASSERT_WINDOW_THREAD()
+#else
+#define ASSERT_MAIN_THREAD() llassert(LLThread::currentID() == sMainThreadId)
+#define ASSERT_WINDOW_THREAD() llassert(LLThread::currentID() == sWindowThreadId)
+#endif
+
+
+LPWSTR gIconResource = IDI_APPLICATION;
+LPDIRECTINPUT8 gDirectInput8;
+
+LLW32MsgCallback gAsyncMsgCallback = NULL;
+
+#ifndef DPI_ENUMS_DECLARED
+
+typedef enum PROCESS_DPI_AWARENESS {
+ PROCESS_DPI_UNAWARE = 0,
+ PROCESS_SYSTEM_DPI_AWARE = 1,
+ PROCESS_PER_MONITOR_DPI_AWARE = 2
+} PROCESS_DPI_AWARENESS;
+
+typedef enum MONITOR_DPI_TYPE {
+ MDT_EFFECTIVE_DPI = 0,
+ MDT_ANGULAR_DPI = 1,
+ MDT_RAW_DPI = 2,
+ MDT_DEFAULT = MDT_EFFECTIVE_DPI
+} MONITOR_DPI_TYPE;
+
+#endif
+
+typedef HRESULT(STDAPICALLTYPE *SetProcessDpiAwarenessType)(_In_ PROCESS_DPI_AWARENESS value);
+
+typedef HRESULT(STDAPICALLTYPE *GetProcessDpiAwarenessType)(
+ _In_ HANDLE hprocess,
+ _Out_ PROCESS_DPI_AWARENESS *value);
+
+typedef HRESULT(STDAPICALLTYPE *GetDpiForMonitorType)(
+ _In_ HMONITOR hmonitor,
+ _In_ MONITOR_DPI_TYPE dpiType,
+ _Out_ UINT *dpiX,
+ _Out_ UINT *dpiY);
+
+//
+// LLWindowWin32
+//
+
+void show_window_creation_error(const std::string& title)
+{
+ LL_WARNS("Window") << title << LL_ENDL;
+}
+
+HGLRC SafeCreateContext(HDC &hdc)
+{
+ __try
+ {
+ return wglCreateContext(hdc);
+ }
+ __except(EXCEPTION_EXECUTE_HANDLER)
+ {
+ return NULL;
+ }
+}
+
+GLuint SafeChoosePixelFormat(HDC &hdc, const PIXELFORMATDESCRIPTOR *ppfd)
+{
+ __try
+ {
+ return ChoosePixelFormat(hdc, ppfd);
+ }
+ __except (EXCEPTION_EXECUTE_HANDLER)
+ {
+ // convert to C++ styled exception
+ // C exception don't allow classes, so it's a regular char array
+ char integer_string[32];
+ sprintf(integer_string, "SEH, code: %lu\n", GetExceptionCode());
+ throw std::exception(integer_string);
+ }
+}
+
+//static
+bool LLWindowWin32::sIsClassRegistered = false;
+
+bool LLWindowWin32::sLanguageTextInputAllowed = true;
+bool LLWindowWin32::sWinIMEOpened = false;
+HKL LLWindowWin32::sWinInputLocale = 0;
+DWORD LLWindowWin32::sWinIMEConversionMode = IME_CMODE_NATIVE;
+DWORD LLWindowWin32::sWinIMESentenceMode = IME_SMODE_AUTOMATIC;
+LLCoordWindow LLWindowWin32::sWinIMEWindowPosition(-1,-1);
+
+// The following class LLWinImm delegates Windows IMM APIs.
+// It was originally introduced to support US Windows XP, on which we needed
+// to dynamically load IMM32.DLL and use GetProcAddress to resolve its entry
+// points. Now that that's moot, we retain this wrapper only for hooks for
+// metrics.
+
+class LLWinImm
+{
+public:
+ static bool isAvailable() { return true; }
+
+public:
+ // Wrappers for IMM API.
+ static bool isIME(HKL hkl);
+ static HIMC getContext(HWND hwnd);
+ static bool releaseContext(HWND hwnd, HIMC himc);
+ static bool getOpenStatus(HIMC himc);
+ static bool setOpenStatus(HIMC himc, bool status);
+ static bool getConversionStatus(HIMC himc, LPDWORD conversion, LPDWORD sentence);
+ static bool setConversionStatus(HIMC himc, DWORD conversion, DWORD sentence);
+ static bool getCompositionWindow(HIMC himc, LPCOMPOSITIONFORM form);
+ static bool setCompositionWindow(HIMC himc, LPCOMPOSITIONFORM form);
+ static LONG getCompositionString(HIMC himc, DWORD index, LPVOID data, DWORD length);
+ static bool setCompositionString(HIMC himc, DWORD index, LPVOID pComp, DWORD compLength, LPVOID pRead, DWORD readLength);
+ static bool setCompositionFont(HIMC himc, LPLOGFONTW logfont);
+ static bool setCandidateWindow(HIMC himc, LPCANDIDATEFORM candidate_form);
+ static bool notifyIME(HIMC himc, DWORD action, DWORD index, DWORD value);
+};
+
+// static
+bool LLWinImm::isIME(HKL hkl)
+{
+ return ImmIsIME(hkl);
+}
+
+// static
+HIMC LLWinImm::getContext(HWND hwnd)
+{
+ return ImmGetContext(hwnd);
+}
+
+//static
+bool LLWinImm::releaseContext(HWND hwnd, HIMC himc)
+{
+ return ImmReleaseContext(hwnd, himc);
+}
+
+// static
+bool LLWinImm::getOpenStatus(HIMC himc)
+{
+ return ImmGetOpenStatus(himc);
+}
+
+// static
+bool LLWinImm::setOpenStatus(HIMC himc, bool status)
+{
+ return ImmSetOpenStatus(himc, status);
+}
+
+// static
+bool LLWinImm::getConversionStatus(HIMC himc, LPDWORD conversion, LPDWORD sentence)
+{
+ return ImmGetConversionStatus(himc, conversion, sentence);
+}
+
+// static
+bool LLWinImm::setConversionStatus(HIMC himc, DWORD conversion, DWORD sentence)
+{
+ return ImmSetConversionStatus(himc, conversion, sentence);
+}
+
+// static
+bool LLWinImm::getCompositionWindow(HIMC himc, LPCOMPOSITIONFORM form)
+{
+ return ImmGetCompositionWindow(himc, form);
+}
+
+// static
+bool LLWinImm::setCompositionWindow(HIMC himc, LPCOMPOSITIONFORM form)
+{
+ return ImmSetCompositionWindow(himc, form);
+}
+
+
+// static
+LONG LLWinImm::getCompositionString(HIMC himc, DWORD index, LPVOID data, DWORD length)
+{
+ return ImmGetCompositionString(himc, index, data, length);
+}
+
+
+// static
+bool LLWinImm::setCompositionString(HIMC himc, DWORD index, LPVOID pComp, DWORD compLength, LPVOID pRead, DWORD readLength)
+{
+ return ImmSetCompositionString(himc, index, pComp, compLength, pRead, readLength);
+}
+
+// static
+bool LLWinImm::setCompositionFont(HIMC himc, LPLOGFONTW pFont)
+{
+ return ImmSetCompositionFont(himc, pFont);
+}
+
+// static
+bool LLWinImm::setCandidateWindow(HIMC himc, LPCANDIDATEFORM form)
+{
+ return ImmSetCandidateWindow(himc, form);
+}
+
+// static
+bool LLWinImm::notifyIME(HIMC himc, DWORD action, DWORD index, DWORD value)
+{
+ return ImmNotifyIME(himc, action, index, value);
+}
+
+
+
+class LLMonitorInfo
+{
+public:
+
+ std::vector<std::string> getResolutionsList() { return mResList; }
+
+ LLMonitorInfo()
+ {
+ EnumDisplayMonitors(0, 0, MonitorEnum, (LPARAM)this);
+ }
+
+private:
+
+ static BOOL CALLBACK MonitorEnum(HMONITOR hMon, HDC hdc, LPRECT lprcMonitor, LPARAM pData)
+ {
+ int monitor_width = lprcMonitor->right - lprcMonitor->left;
+ int monitor_height = lprcMonitor->bottom - lprcMonitor->top;
+
+ std::ostringstream sstream;
+ sstream << monitor_width << "x" << monitor_height;;
+ std::string res = sstream.str();
+
+ LLMonitorInfo* pThis = reinterpret_cast<LLMonitorInfo*>(pData);
+ pThis->mResList.push_back(res);
+
+ return TRUE;
+ }
+
+ std::vector<std::string> mResList;
+};
+
+static LLMonitorInfo sMonitorInfo;
+
+
+// Thread that owns the Window Handle
+// This whole struct is private to LLWindowWin32, which needs to mess with its
+// members, which is why it's a struct rather than a class. In effect, we make
+// the containing class a friend.
+struct LLWindowWin32::LLWindowWin32Thread : public LL::ThreadPool
+{
+ static const int MAX_QUEUE_SIZE = 2048;
+
+ LLThreadSafeQueue<MSG> mMessageQueue;
+
+ LLWindowWin32Thread();
+
+ void run() override;
+ void close() override;
+
+ // closes queue, wakes thread, waits until thread closes
+ void wakeAndDestroy();
+
+ void glReady()
+ {
+ mGLReady = true;
+ }
+
+ // initialzie DXGI adapter (for querying available VRAM)
+ void initDX();
+
+ // initialize D3D (if DXGI cannot be used)
+ void initD3D();
+
+ //clean up DXGI/D3D resources
+ void cleanupDX();
+
+ /// called by main thread to post work to this window thread
+ template <typename CALLABLE>
+ void post(CALLABLE&& func)
+ {
+ // Ignore bool return. Shutdown timing is tricky: the main thread can
+ // end up trying to post a cursor position after having closed the
+ // WorkQueue.
+ getQueue().post(std::forward<CALLABLE>(func));
+ }
+
+ /**
+ * Like post(), Post() is a way of conveying a single work item to this
+ * thread. Its virtue is that it will definitely be executed "soon" rather
+ * than potentially waiting for the next frame: it uses PostMessage() to
+ * break us out of the window thread's blocked GetMessage() call. It's
+ * more expensive, though, not only from the Windows API latency of
+ * PostMessage() and GetMessage(), but also because it involves heap
+ * allocation and release.
+ *
+ * Require HWND from caller, even though we store an HWND locally.
+ * Otherwise, if our mWindowHandle was accessed from both threads, we'd
+ * have to protect it with a mutex.
+ */
+ template <typename CALLABLE>
+ void Post(HWND windowHandle, CALLABLE&& func)
+ {
+ // Move func to the heap. If we knew FuncType could fit into LPARAM,
+ // we could simply instantiate FuncType and pass it by value. But
+ // since we don't, we must put that on the heap as well as the
+ // internal heap allocation it likely requires to store func.
+ auto ptr = new FuncType(std::move(func));
+ WPARAM wparam{ 0xF1C };
+ LL_DEBUGS("Window") << "PostMessage(" << std::hex << windowHandle
+ << ", " << WM_POST_FUNCTION_
+ << ", " << wparam << std::dec << LL_ENDL;
+ PostMessage(windowHandle, WM_POST_FUNCTION_, wparam, LPARAM(ptr));
+ }
+
+ using FuncType = std::function<void()>;
+ // call GetMessage() and pull enqueue messages for later processing
+ void gatherInput();
+ HWND mWindowHandleThrd = NULL;
+ HDC mhDCThrd = 0;
+
+ // *HACK: Attempt to prevent startup crashes by deferring memory accounting
+ // until after some graphics setup. See SL-20177. -Cosmic,2023-09-18
+ bool mGLReady = false;
+
+ U32 mMaxVRAM = 0; // maximum amount of vram to allow in the "budget", or 0 for no maximum (see updateVRAMUsage)
+
+ IDXGIAdapter3* mDXGIAdapter = nullptr;
+ LPDIRECT3D9 mD3D = nullptr;
+ LPDIRECT3DDEVICE9 mD3DDevice = nullptr;
+};
+
+
+LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
+ const std::string& title, const std::string& name, S32 x, S32 y, S32 width,
+ S32 height, U32 flags,
+ bool fullscreen, bool clearBg,
+ bool enable_vsync, bool use_gl,
+ bool ignore_pixel_depth,
+ U32 fsaa_samples,
+ U32 max_cores,
+ U32 max_vram,
+ F32 max_gl_version)
+ :
+ LLWindow(callbacks, fullscreen, flags),
+ mMaxGLVersion(max_gl_version),
+ mMaxCores(max_cores)
+{
+ sMainThreadId = LLThread::currentID();
+ mWindowThread = new LLWindowWin32Thread();
+ mWindowThread->mMaxVRAM = max_vram;
+
+ //MAINT-516 -- force a load of opengl32.dll just in case windows went sideways
+ LoadLibrary(L"opengl32.dll");
+
+
+ if (mMaxCores != 0)
+ {
+ HANDLE hProcess = GetCurrentProcess();
+ mMaxCores = llmin(mMaxCores, (U32) 64);
+ DWORD_PTR mask = 0;
+
+ for (int i = 0; i < mMaxCores; ++i)
+ {
+ mask |= ((DWORD_PTR) 1) << i;
+ }
+
+ SetProcessAffinityMask(hProcess, mask);
+ }
+
+#if 0 // this is probably a bad idea, but keep it in your back pocket if you see what looks like
+ // process deprioritization during profiles
+ // force high thread priority
+ HANDLE hProcess = GetCurrentProcess();
+
+ if (hProcess)
+ {
+ int priority = GetPriorityClass(hProcess);
+ if (priority < REALTIME_PRIORITY_CLASS)
+ {
+ if (SetPriorityClass(hProcess, REALTIME_PRIORITY_CLASS))
+ {
+ LL_INFOS() << "Set process priority to REALTIME_PRIORITY_CLASS" << LL_ENDL;
+ }
+ else
+ {
+ LL_INFOS() << "Failed to set process priority: " << std::hex << GetLastError() << LL_ENDL;
+ }
+ }
+ }
+#endif
+
+#if 0 // this is also probably a bad idea, but keep it in your back pocket for getting main thread off of background thread cores (see also LLThread::threadRun)
+ HANDLE hThread = GetCurrentThread();
+
+ SYSTEM_INFO sysInfo;
+
+ GetSystemInfo(&sysInfo);
+ U32 core_count = sysInfo.dwNumberOfProcessors;
+
+ if (max_cores != 0)
+ {
+ core_count = llmin(core_count, max_cores);
+ }
+
+ if (hThread)
+ {
+ int priority = GetThreadPriority(hThread);
+
+ if (priority < THREAD_PRIORITY_TIME_CRITICAL)
+ {
+ if (SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL))
+ {
+ LL_INFOS() << "Set thread priority to THREAD_PRIORITY_TIME_CRITICAL" << LL_ENDL;
+ }
+ else
+ {
+ LL_INFOS() << "Failed to set thread priority: " << std::hex << GetLastError() << LL_ENDL;
+ }
+
+ // tell main thread to prefer core 0
+ SetThreadIdealProcessor(hThread, 0);
+ }
+ }
+#endif
+
+
+ mFSAASamples = fsaa_samples;
+ mIconResource = gIconResource;
+ mOverrideAspectRatio = 0.f;
+ mNativeAspectRatio = 0.f;
+ mInputProcessingPaused = false;
+ mPreeditor = NULL;
+ mKeyCharCode = 0;
+ mKeyScanCode = 0;
+ mKeyVirtualKey = 0;
+ mhDC = NULL;
+ mhRC = NULL;
+ memset(mCurrentGammaRamp, 0, sizeof(mCurrentGammaRamp));
+ memset(mPrevGammaRamp, 0, sizeof(mPrevGammaRamp));
+ mCustomGammaSet = false;
+ mWindowHandle = NULL;
+
+ mRect = {0, 0, 0, 0};
+ mClientRect = {0, 0, 0, 0};
+
+ if (!SystemParametersInfo(SPI_GETMOUSEVANISH, 0, &mMouseVanish, 0))
+ {
+ mMouseVanish = true;
+ }
+
+ // Initialize the keyboard
+ gKeyboard = new LLKeyboardWin32();
+ gKeyboard->setCallbacks(callbacks);
+
+ // Initialize the Drag and Drop functionality
+ mDragDrop = new LLDragDropWin32;
+
+ // Initialize (boot strap) the Language text input management,
+ // based on the system's (user's) default settings.
+ allowLanguageTextInput(mPreeditor, false);
+
+ WNDCLASS wc;
+ RECT window_rect;
+
+ // Set the window title
+ if (title.empty())
+ {
+ mWindowTitle = new WCHAR[50];
+ wsprintf(mWindowTitle, L"OpenGL Window");
+ }
+ else
+ {
+ mWindowTitle = new WCHAR[256]; // Assume title length < 255 chars.
+ mbstowcs(mWindowTitle, title.c_str(), 255);
+ mWindowTitle[255] = 0;
+ }
+
+ // Set the window class name
+ if (name.empty())
+ {
+ mWindowClassName = new WCHAR[50];
+ wsprintf(mWindowClassName, L"OpenGL Window");
+ }
+ else
+ {
+ mWindowClassName = new WCHAR[256]; // Assume title length < 255 chars.
+ mbstowcs(mWindowClassName, name.c_str(), 255);
+ mWindowClassName[255] = 0;
+ }
+
+
+ // We're not clipping yet
+ SetRect( &mOldMouseClip, 0, 0, 0, 0 );
+
+ // Make an instance of our window then define the window class
+ mhInstance = GetModuleHandle(NULL);
+
+ // Init Direct Input - needed for joystick / Spacemouse
+
+ LPDIRECTINPUT8 di8_interface;
+ HRESULT status = DirectInput8Create(
+ mhInstance, // HINSTANCE hinst,
+ DIRECTINPUT_VERSION, // DWORD dwVersion,
+ IID_IDirectInput8, // REFIID riidltf,
+ (LPVOID*)&di8_interface, // LPVOID * ppvOut,
+ NULL // LPUNKNOWN punkOuter
+ );
+ if (status == DI_OK)
+ {
+ gDirectInput8 = di8_interface;
+ }
+
+ mSwapMethod = SWAP_METHOD_UNDEFINED;
+
+ // No WPARAM yet.
+ mLastSizeWParam = 0;
+
+ // Windows GDI rects don't include rightmost pixel
+ window_rect.left = (long) 0;
+ window_rect.right = (long) width;
+ window_rect.top = (long) 0;
+ window_rect.bottom = (long) height;
+
+ // Grab screen size to sanitize the window
+ S32 window_border_y = GetSystemMetrics(SM_CYBORDER);
+ S32 virtual_screen_x = GetSystemMetrics(SM_XVIRTUALSCREEN);
+ S32 virtual_screen_y = GetSystemMetrics(SM_YVIRTUALSCREEN);
+ S32 virtual_screen_width = GetSystemMetrics(SM_CXVIRTUALSCREEN);
+ S32 virtual_screen_height = GetSystemMetrics(SM_CYVIRTUALSCREEN);
+
+ if (x < virtual_screen_x) x = virtual_screen_x;
+ if (y < virtual_screen_y - window_border_y) y = virtual_screen_y - window_border_y;
+
+ if (x + width > virtual_screen_x + virtual_screen_width) x = virtual_screen_x + virtual_screen_width - width;
+ if (y + height > virtual_screen_y + virtual_screen_height) y = virtual_screen_y + virtual_screen_height - height;
+
+ if (!sIsClassRegistered)
+ {
+ // Force redraw when resized and create a private device context
+
+ // Makes double click messages.
+ wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS;
+
+ // Set message handler function
+ wc.lpfnWndProc = (WNDPROC) mainWindowProc;
+
+ // unused
+ wc.cbClsExtra = 0;
+ wc.cbWndExtra = 0;
+
+ wc.hInstance = mhInstance;
+ wc.hIcon = LoadIcon(mhInstance, mIconResource);
+
+ // We will set the cursor ourselves
+ wc.hCursor = NULL;
+
+ // background color is not used
+ if (clearBg)
+ {
+ wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
+ }
+ else
+ {
+ wc.hbrBackground = (HBRUSH) NULL;
+ }
+
+ // we don't use windows menus
+ wc.lpszMenuName = NULL;
+
+ wc.lpszClassName = mWindowClassName;
+
+ if (!RegisterClass(&wc))
+ {
+ OSMessageBox(mCallbacks->translateString("MBRegClassFailed"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ return;
+ }
+ sIsClassRegistered = true;
+ }
+
+ //-----------------------------------------------------------------------
+ // Get the current refresh rate
+ //-----------------------------------------------------------------------
+
+ DEVMODE dev_mode;
+ ::ZeroMemory(&dev_mode, sizeof(DEVMODE));
+ dev_mode.dmSize = sizeof(DEVMODE);
+ DWORD current_refresh;
+ if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode))
+ {
+ current_refresh = dev_mode.dmDisplayFrequency;
+ mNativeAspectRatio = ((F32)dev_mode.dmPelsWidth) / ((F32)dev_mode.dmPelsHeight);
+ }
+ else
+ {
+ current_refresh = 60;
+ }
+ mRefreshRate = current_refresh;
+ //-----------------------------------------------------------------------
+ // Drop resolution and go fullscreen
+ // use a display mode with our desired size and depth, with a refresh
+ // rate as close at possible to the users' default
+ //-----------------------------------------------------------------------
+ if (mFullscreen)
+ {
+ bool success = false;
+ DWORD closest_refresh = 0;
+
+ for (S32 mode_num = 0;; mode_num++)
+ {
+ if (!EnumDisplaySettings(NULL, mode_num, &dev_mode))
+ {
+ break;
+ }
+
+ if (dev_mode.dmPelsWidth == width &&
+ dev_mode.dmPelsHeight == height &&
+ dev_mode.dmBitsPerPel == BITS_PER_PIXEL)
+ {
+ success = true;
+ if ((dev_mode.dmDisplayFrequency - current_refresh)
+ < (closest_refresh - current_refresh))
+ {
+ closest_refresh = dev_mode.dmDisplayFrequency;
+ }
+ }
+ }
+
+ if (closest_refresh == 0)
+ {
+ LL_WARNS("Window") << "Couldn't find display mode " << width << " by " << height << " at " << BITS_PER_PIXEL << " bits per pixel" << LL_ENDL;
+ //success = false;
+
+ if (!EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode))
+ {
+ success = false;
+ }
+ else
+ {
+ if (dev_mode.dmBitsPerPel == BITS_PER_PIXEL)
+ {
+ LL_WARNS("Window") << "Current BBP is OK falling back to that" << LL_ENDL;
+ window_rect.right=width=dev_mode.dmPelsWidth;
+ window_rect.bottom=height=dev_mode.dmPelsHeight;
+ success = true;
+ }
+ else
+ {
+ LL_WARNS("Window") << "Current BBP is BAD" << LL_ENDL;
+ success = false;
+ }
+ }
+ }
+
+ // If we found a good resolution, use it.
+ if (success)
+ {
+ success = setDisplayResolution(width, height, BITS_PER_PIXEL, closest_refresh);
+ }
+
+ // Keep a copy of the actual current device mode in case we minimize
+ // and change the screen resolution. JC
+ EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode);
+
+ // If it failed, we don't want to run fullscreen
+ if (success)
+ {
+ mFullscreen = true;
+ mFullscreenWidth = dev_mode.dmPelsWidth;
+ mFullscreenHeight = dev_mode.dmPelsHeight;
+ mFullscreenBits = dev_mode.dmBitsPerPel;
+ mFullscreenRefresh = dev_mode.dmDisplayFrequency;
+
+ LL_INFOS("Window") << "Running at " << dev_mode.dmPelsWidth
+ << "x" << dev_mode.dmPelsHeight
+ << "x" << dev_mode.dmBitsPerPel
+ << " @ " << dev_mode.dmDisplayFrequency
+ << LL_ENDL;
+ }
+ else
+ {
+ mFullscreen = false;
+ mFullscreenWidth = -1;
+ mFullscreenHeight = -1;
+ mFullscreenBits = -1;
+ mFullscreenRefresh = -1;
+
+ std::map<std::string,std::string> args;
+ args["[WIDTH]"] = llformat("%d", width);
+ args["[HEIGHT]"] = llformat ("%d", height);
+ OSMessageBox(mCallbacks->translateString("MBFullScreenErr", args),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ }
+ }
+
+ // TODO: add this after resolving _WIN32_WINNT issue
+ // if (!fullscreen)
+ // {
+ // TRACKMOUSEEVENT track_mouse_event;
+ // track_mouse_event.cbSize = sizeof( TRACKMOUSEEVENT );
+ // track_mouse_event.dwFlags = TME_LEAVE;
+ // track_mouse_event.hwndTrack = mWindowHandle;
+ // track_mouse_event.dwHoverTime = HOVER_DEFAULT;
+ // TrackMouseEvent( &track_mouse_event );
+ // }
+
+ // SL-12971 dual GPU display
+ DISPLAY_DEVICEA display_device;
+ int display_index = -1;
+ DWORD display_flags = 0; // EDD_GET_DEVICE_INTERFACE_NAME ?
+ const size_t display_bytes = sizeof(display_device);
+
+ do
+ {
+ if (display_index >= 0)
+ {
+ // CHAR DeviceName [ 32] Adapter name
+ // CHAR DeviceString[128]
+ CHAR text[256];
+
+ size_t name_len = strlen(display_device.DeviceName );
+ size_t desc_len = strlen(display_device.DeviceString);
+
+ CHAR *name = name_len ? display_device.DeviceName : "???";
+ CHAR *desc = desc_len ? display_device.DeviceString : "???";
+
+ sprintf(text, "Display Device %d: %s, %s", display_index, name, desc);
+ LL_INFOS("Window") << text << LL_ENDL;
+ }
+
+ ::ZeroMemory(&display_device,display_bytes);
+ display_device.cb = display_bytes;
+
+ display_index++;
+ } while( EnumDisplayDevicesA(NULL, display_index, &display_device, display_flags ));
+
+ LL_INFOS("Window") << "Total Display Devices: " << display_index << LL_ENDL;
+
+ //-----------------------------------------------------------------------
+ // Create GL drawing context
+ //-----------------------------------------------------------------------
+ LLCoordScreen windowPos(x,y);
+ LLCoordScreen windowSize(window_rect.right - window_rect.left,
+ window_rect.bottom - window_rect.top);
+ if (!switchContext(mFullscreen, windowSize, enable_vsync, &windowPos))
+ {
+ return;
+ }
+
+ //start with arrow cursor
+ initCursors();
+ setCursor( UI_CURSOR_ARROW );
+
+ mRawMouse.usUsagePage = 0x01; // HID_USAGE_PAGE_GENERIC
+ mRawMouse.usUsage = 0x02; // HID_USAGE_GENERIC_MOUSE
+ mRawMouse.dwFlags = 0; // adds mouse and also ignores legacy mouse messages
+ mRawMouse.hwndTarget = 0;
+
+ RegisterRawInputDevices(&mRawMouse, 1, sizeof(mRawMouse));
+
+ // Initialize (boot strap) the Language text input management,
+ // based on the system's (or user's) default settings.
+ allowLanguageTextInput(NULL, false);
+}
+
+
+LLWindowWin32::~LLWindowWin32()
+{
+ delete mDragDrop;
+
+ delete [] mWindowTitle;
+ mWindowTitle = NULL;
+
+ delete [] mSupportedResolutions;
+ mSupportedResolutions = NULL;
+
+ delete [] mWindowClassName;
+ mWindowClassName = NULL;
+
+ delete mWindowThread;
+}
+
+void LLWindowWin32::show()
+{
+ LL_DEBUGS("Window") << "Setting window to show" << LL_ENDL;
+ ShowWindow(mWindowHandle, SW_SHOW);
+ SetForegroundWindow(mWindowHandle);
+ SetFocus(mWindowHandle);
+}
+
+void LLWindowWin32::hide()
+{
+ setMouseClipping(false);
+ ShowWindow(mWindowHandle, SW_HIDE);
+}
+
+//virtual
+void LLWindowWin32::minimize()
+{
+ setMouseClipping(false);
+ showCursor();
+ ShowWindow(mWindowHandle, SW_MINIMIZE);
+}
+
+//virtual
+void LLWindowWin32::restore()
+{
+ ShowWindow(mWindowHandle, SW_RESTORE);
+ SetForegroundWindow(mWindowHandle);
+ SetFocus(mWindowHandle);
+}
+
+// See SL-12170
+// According to callstack "c0000005 Access violation" happened inside __try block,
+// deep in DestroyWindow and crashed viewer, which shouldn't be possible.
+// I tried manually causing this exception and it was caught without issues, so
+// I'm turning off optimizations for this part to be sure code executes as intended
+// (it is a straw, but I have no idea why else __try can get overruled)
+#pragma optimize("", off)
+bool destroy_window_handler(HWND hWnd)
+{
+ bool res;
+ __try
+ {
+ res = DestroyWindow(hWnd);
+ }
+ __except (EXCEPTION_EXECUTE_HANDLER)
+ {
+ res = false;
+ }
+ return res;
+}
+#pragma optimize("", on)
+
+// close() destroys all OS-specific code associated with a window.
+// Usually called from LLWindowManager::destroyWindow()
+void LLWindowWin32::close()
+{
+ LL_DEBUGS("Window") << "Closing LLWindowWin32" << LL_ENDL;
+ // Is window is already closed?
+ if (!mWindowHandle)
+ {
+ return;
+ }
+
+ mDragDrop->reset();
+
+
+ // Go back to screen mode written in the registry.
+ if (mFullscreen)
+ {
+ resetDisplayResolution();
+ }
+
+ // Make sure cursor is visible and we haven't mangled the clipping state.
+ showCursor();
+ setMouseClipping(false);
+ if (gKeyboard)
+ {
+ gKeyboard->resetKeys();
+ }
+
+ // Clean up remaining GL state
+ if (gGLManager.mInited)
+ {
+ LL_INFOS("Window") << "Cleaning up GL" << LL_ENDL;
+ gGLManager.shutdownGL();
+ }
+
+ LL_DEBUGS("Window") << "Releasing Context" << LL_ENDL;
+ if (mhRC)
+ {
+ if (!wglMakeCurrent(NULL, NULL))
+ {
+ LL_WARNS("Window") << "Release of DC and RC failed" << LL_ENDL;
+ }
+
+ if (!wglDeleteContext(mhRC))
+ {
+ LL_WARNS("Window") << "Release of rendering context failed" << LL_ENDL;
+ }
+
+ mhRC = NULL;
+ }
+
+ // Restore gamma to the system values.
+ restoreGamma();
+
+ LL_DEBUGS("Window") << "Destroying Window" << LL_ENDL;
+
+ mhDC = NULL;
+ mWindowHandle = NULL;
+
+ mWindowThread->wakeAndDestroy();
+}
+
+bool LLWindowWin32::isValid()
+{
+ return (mWindowHandle != NULL);
+}
+
+bool LLWindowWin32::getVisible()
+{
+ return (mWindowHandle && IsWindowVisible(mWindowHandle));
+}
+
+bool LLWindowWin32::getMinimized()
+{
+ return (mWindowHandle && IsIconic(mWindowHandle));
+}
+
+bool LLWindowWin32::getMaximized()
+{
+ return (mWindowHandle && IsZoomed(mWindowHandle));
+}
+
+bool LLWindowWin32::maximize()
+{
+ bool success = false;
+ if (!mWindowHandle) return success;
+
+ mWindowThread->post([=]
+ {
+ WINDOWPLACEMENT placement;
+ placement.length = sizeof(WINDOWPLACEMENT);
+
+ if (GetWindowPlacement(mWindowHandle, &placement))
+ {
+ placement.showCmd = SW_MAXIMIZE;
+ SetWindowPlacement(mWindowHandle, &placement);
+ }
+ });
+
+ return true;
+}
+
+bool LLWindowWin32::getFullscreen()
+{
+ return mFullscreen;
+}
+
+bool LLWindowWin32::getPosition(LLCoordScreen *position)
+{
+ position->mX = mRect.left;
+ position->mY = mRect.top;
+ return true;
+}
+
+bool LLWindowWin32::getSize(LLCoordScreen *size)
+{
+ size->mX = mRect.right - mRect.left;
+ size->mY = mRect.bottom - mRect.top;
+ return true;
+}
+
+bool LLWindowWin32::getSize(LLCoordWindow *size)
+{
+ size->mX = mClientRect.right - mClientRect.left;
+ size->mY = mClientRect.bottom - mClientRect.top;
+ return true;
+}
+
+bool LLWindowWin32::setPosition(const LLCoordScreen position)
+{
+ LLCoordScreen size;
+
+ if (!mWindowHandle)
+ {
+ return false;
+ }
+ getSize(&size);
+ moveWindow(position, size);
+ return true;
+}
+
+bool LLWindowWin32::setSizeImpl(const LLCoordScreen size)
+{
+ LLCoordScreen position;
+
+ getPosition(&position);
+ if (!mWindowHandle)
+ {
+ return false;
+ }
+
+ mWindowThread->post([=]()
+ {
+ WINDOWPLACEMENT placement;
+ placement.length = sizeof(WINDOWPLACEMENT);
+
+ if (GetWindowPlacement(mWindowHandle, &placement))
+ {
+ placement.showCmd = SW_RESTORE;
+ SetWindowPlacement(mWindowHandle, &placement);
+ }
+ });
+
+ moveWindow(position, size);
+ return true;
+}
+
+bool LLWindowWin32::setSizeImpl(const LLCoordWindow size)
+{
+ RECT window_rect = {0, 0, size.mX, size.mY };
+ DWORD dw_ex_style = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
+ DWORD dw_style = WS_OVERLAPPEDWINDOW;
+
+ AdjustWindowRectEx(&window_rect, dw_style, FALSE, dw_ex_style);
+
+ return setSizeImpl(LLCoordScreen(window_rect.right - window_rect.left, window_rect.bottom - window_rect.top));
+}
+
+// changing fullscreen resolution
+bool LLWindowWin32::switchContext(bool fullscreen, const LLCoordScreen& size, bool enable_vsync, const LLCoordScreen* const posp)
+{
+ //called from main thread
+ GLuint pixel_format;
+ DEVMODE dev_mode;
+ ::ZeroMemory(&dev_mode, sizeof(DEVMODE));
+ dev_mode.dmSize = sizeof(DEVMODE);
+ DWORD current_refresh;
+ DWORD dw_ex_style;
+ DWORD dw_style;
+ RECT window_rect = { 0, 0, 0, 0 };
+ S32 width = size.mX;
+ S32 height = size.mY;
+ bool auto_show = false;
+
+ if (mhRC)
+ {
+ auto_show = true;
+ resetDisplayResolution();
+ }
+
+ if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode))
+ {
+ current_refresh = dev_mode.dmDisplayFrequency;
+ }
+ else
+ {
+ current_refresh = 60;
+ }
+ mRefreshRate = current_refresh;
+
+ gGLManager.shutdownGL();
+ //destroy gl context
+ if (mhRC)
+ {
+ if (!wglMakeCurrent(NULL, NULL))
+ {
+ LL_WARNS("Window") << "Release of DC and RC failed" << LL_ENDL;
+ }
+
+ if (!wglDeleteContext(mhRC))
+ {
+ LL_WARNS("Window") << "Release of rendering context failed" << LL_ENDL;
+ }
+
+ mhRC = NULL;
+ }
+
+ if (fullscreen)
+ {
+ mFullscreen = true;
+ bool success = false;
+ DWORD closest_refresh = 0;
+
+ for (S32 mode_num = 0;; mode_num++)
+ {
+ if (!EnumDisplaySettings(NULL, mode_num, &dev_mode))
+ {
+ break;
+ }
+
+ if (dev_mode.dmPelsWidth == width &&
+ dev_mode.dmPelsHeight == height &&
+ dev_mode.dmBitsPerPel == BITS_PER_PIXEL)
+ {
+ success = true;
+ if ((dev_mode.dmDisplayFrequency - current_refresh)
+ < (closest_refresh - current_refresh))
+ {
+ closest_refresh = dev_mode.dmDisplayFrequency;
+ }
+ }
+ }
+
+ if (closest_refresh == 0)
+ {
+ LL_WARNS("Window") << "Couldn't find display mode " << width << " by " << height << " at " << BITS_PER_PIXEL << " bits per pixel" << LL_ENDL;
+ return false;
+ }
+
+ // If we found a good resolution, use it.
+ if (success)
+ {
+ success = setDisplayResolution(width, height, BITS_PER_PIXEL, closest_refresh);
+ }
+
+ // Keep a copy of the actual current device mode in case we minimize
+ // and change the screen resolution. JC
+ EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode);
+
+ if (success)
+ {
+ mFullscreen = true;
+ mFullscreenWidth = dev_mode.dmPelsWidth;
+ mFullscreenHeight = dev_mode.dmPelsHeight;
+ mFullscreenBits = dev_mode.dmBitsPerPel;
+ mFullscreenRefresh = dev_mode.dmDisplayFrequency;
+
+ LL_INFOS("Window") << "Running at " << dev_mode.dmPelsWidth
+ << "x" << dev_mode.dmPelsHeight
+ << "x" << dev_mode.dmBitsPerPel
+ << " @ " << dev_mode.dmDisplayFrequency
+ << LL_ENDL;
+
+ window_rect.left = (long)0;
+ window_rect.right = (long)width; // Windows GDI rects don't include rightmost pixel
+ window_rect.top = (long)0;
+ window_rect.bottom = (long)height;
+ dw_ex_style = WS_EX_APPWINDOW;
+ dw_style = WS_POPUP;
+
+ // Move window borders out not to cover window contents.
+ // This converts client rect to window rect, i.e. expands it by the window border size.
+ AdjustWindowRectEx(&window_rect, dw_style, FALSE, dw_ex_style);
+ }
+ // If it failed, we don't want to run fullscreen
+ else
+ {
+ mFullscreen = false;
+ mFullscreenWidth = -1;
+ mFullscreenHeight = -1;
+ mFullscreenBits = -1;
+ mFullscreenRefresh = -1;
+
+ LL_INFOS("Window") << "Unable to run fullscreen at " << width << "x" << height << LL_ENDL;
+ return false;
+ }
+ }
+ else
+ {
+ mFullscreen = false;
+ window_rect.left = (long)(posp ? posp->mX : 0);
+ window_rect.right = (long)width + window_rect.left; // Windows GDI rects don't include rightmost pixel
+ window_rect.top = (long)(posp ? posp->mY : 0);
+ window_rect.bottom = (long)height + window_rect.top;
+ // Window with an edge
+ dw_ex_style = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
+ dw_style = WS_OVERLAPPEDWINDOW;
+ }
+
+
+ // don't post quit messages when destroying old windows
+ mPostQuit = false;
+
+
+ // create window
+ LL_DEBUGS("Window") << "Creating window with X: " << window_rect.left
+ << " Y: " << window_rect.top
+ << " Width: " << (window_rect.right - window_rect.left)
+ << " Height: " << (window_rect.bottom - window_rect.top)
+ << " Fullscreen: " << mFullscreen
+ << LL_ENDL;
+
+ recreateWindow(window_rect, dw_ex_style, dw_style);
+
+ if (mWindowHandle)
+ {
+ LL_INFOS("Window") << "window is created." << LL_ENDL ;
+ }
+ else
+ {
+ LL_WARNS("Window") << "Window creation failed, code: " << GetLastError() << LL_ENDL;
+ }
+
+ //-----------------------------------------------------------------------
+ // Create GL drawing context
+ //-----------------------------------------------------------------------
+ static PIXELFORMATDESCRIPTOR pfd =
+ {
+ sizeof(PIXELFORMATDESCRIPTOR),
+ 1,
+ PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
+ PFD_TYPE_RGBA,
+ BITS_PER_PIXEL,
+ 0, 0, 0, 0, 0, 0, // RGB bits and shift, unused
+ 8, // alpha bits
+ 0, // alpha shift
+ 0, // accum bits
+ 0, 0, 0, 0, // accum RGBA
+ 24, // depth bits
+ 8, // stencil bits, avi added for stencil test
+ 0,
+ PFD_MAIN_PLANE,
+ 0,
+ 0, 0, 0
+ };
+
+ if (!mhDC)
+ {
+ close();
+ OSMessageBox(mCallbacks->translateString("MBDevContextErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ return false;
+ }
+
+ LL_INFOS("Window") << "Device context retrieved." << LL_ENDL ;
+
+ try
+ {
+ // Looks like ChoosePixelFormat can crash in case of faulty driver
+ if (!(pixel_format = SafeChoosePixelFormat(mhDC, &pfd)))
+ {
+ LL_WARNS("Window") << "ChoosePixelFormat failed, code: " << GetLastError() << LL_ENDL;
+ OSMessageBox(mCallbacks->translateString("MBPixelFmtErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+ }
+ catch (...)
+ {
+ LOG_UNHANDLED_EXCEPTION("ChoosePixelFormat");
+ OSMessageBox(mCallbacks->translateString("MBPixelFmtErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+ LL_INFOS("Window") << "Pixel format chosen." << LL_ENDL ;
+
+ // Verify what pixel format we actually received.
+ if (!DescribePixelFormat(mhDC, pixel_format, sizeof(PIXELFORMATDESCRIPTOR),
+ &pfd))
+ {
+ OSMessageBox(mCallbacks->translateString("MBPixelFmtDescErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+ // (EXP-1765) dump pixel data to see if there is a pattern that leads to unreproducible crash
+ LL_INFOS("Window") << "--- begin pixel format dump ---" << LL_ENDL ;
+ LL_INFOS("Window") << "pixel_format is " << pixel_format << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.nSize: " << pfd.nSize << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.nVersion: " << pfd.nVersion << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.dwFlags: 0x" << std::hex << pfd.dwFlags << std::dec << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.iPixelType: " << (int)pfd.iPixelType << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cColorBits: " << (int)pfd.cColorBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cRedBits: " << (int)pfd.cRedBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cRedShift: " << (int)pfd.cRedShift << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cGreenBits: " << (int)pfd.cGreenBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cGreenShift: " << (int)pfd.cGreenShift << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cBlueBits: " << (int)pfd.cBlueBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cBlueShift: " << (int)pfd.cBlueShift << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cAlphaBits: " << (int)pfd.cAlphaBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cAlphaShift: " << (int)pfd.cAlphaShift << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cAccumBits: " << (int)pfd.cAccumBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cAccumRedBits: " << (int)pfd.cAccumRedBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cAccumGreenBits: " << (int)pfd.cAccumGreenBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cAccumBlueBits: " << (int)pfd.cAccumBlueBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cAccumAlphaBits: " << (int)pfd.cAccumAlphaBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cDepthBits: " << (int)pfd.cDepthBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cStencilBits: " << (int)pfd.cStencilBits << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.cAuxBuffers: " << (int)pfd.cAuxBuffers << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.iLayerType: " << (int)pfd.iLayerType << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.bReserved: " << (int)pfd.bReserved << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.dwLayerMask: " << pfd.dwLayerMask << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.dwVisibleMask: " << pfd.dwVisibleMask << LL_ENDL ;
+ LL_INFOS("Window") << "pfd.dwDamageMask: " << pfd.dwDamageMask << LL_ENDL ;
+ LL_INFOS("Window") << "--- end pixel format dump ---" << LL_ENDL ;
+
+ if (!SetPixelFormat(mhDC, pixel_format, &pfd))
+ {
+ OSMessageBox(mCallbacks->translateString("MBPixelFmtSetErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+
+ if (!(mhRC = SafeCreateContext(mhDC)))
+ {
+ OSMessageBox(mCallbacks->translateString("MBGLContextErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+ if (!wglMakeCurrent(mhDC, mhRC))
+ {
+ OSMessageBox(mCallbacks->translateString("MBGLContextActErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+ LL_INFOS("Window") << "Drawing context is created." << LL_ENDL ;
+
+ gGLManager.initWGL();
+
+ if (wglChoosePixelFormatARB)
+ {
+ // OK, at this point, use the ARB wglChoosePixelFormatsARB function to see if we
+ // can get exactly what we want.
+ GLint attrib_list[256];
+ S32 cur_attrib = 0;
+
+ attrib_list[cur_attrib++] = WGL_DEPTH_BITS_ARB;
+ attrib_list[cur_attrib++] = 24;
+
+ //attrib_list[cur_attrib++] = WGL_STENCIL_BITS_ARB; //stencil buffer is deprecated (performance penalty)
+ //attrib_list[cur_attrib++] = 8;
+
+ attrib_list[cur_attrib++] = WGL_DRAW_TO_WINDOW_ARB;
+ attrib_list[cur_attrib++] = GL_TRUE;
+
+ attrib_list[cur_attrib++] = WGL_ACCELERATION_ARB;
+ attrib_list[cur_attrib++] = WGL_FULL_ACCELERATION_ARB;
+
+ attrib_list[cur_attrib++] = WGL_SUPPORT_OPENGL_ARB;
+ attrib_list[cur_attrib++] = GL_TRUE;
+
+ attrib_list[cur_attrib++] = WGL_DOUBLE_BUFFER_ARB;
+ attrib_list[cur_attrib++] = GL_TRUE;
+
+ attrib_list[cur_attrib++] = WGL_COLOR_BITS_ARB;
+ attrib_list[cur_attrib++] = 24;
+
+ attrib_list[cur_attrib++] = WGL_ALPHA_BITS_ARB;
+ attrib_list[cur_attrib++] = 0;
+
+ U32 end_attrib = 0;
+ if (mFSAASamples > 0)
+ {
+ end_attrib = cur_attrib;
+ attrib_list[cur_attrib++] = WGL_SAMPLE_BUFFERS_ARB;
+ attrib_list[cur_attrib++] = GL_TRUE;
+
+ attrib_list[cur_attrib++] = WGL_SAMPLES_ARB;
+ attrib_list[cur_attrib++] = mFSAASamples;
+ }
+
+ // End the list
+ attrib_list[cur_attrib++] = 0;
+
+ GLint pixel_formats[256];
+ U32 num_formats = 0;
+
+ // First we try and get a 32 bit depth pixel format
+ BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats);
+
+ while(!result && mFSAASamples > 0)
+ {
+ LL_WARNS() << "FSAASamples: " << mFSAASamples << " not supported." << LL_ENDL ;
+
+ mFSAASamples /= 2 ; //try to decrease sample pixel number until to disable anti-aliasing
+ if(mFSAASamples < 2)
+ {
+ mFSAASamples = 0 ;
+ }
+
+ if (mFSAASamples > 0)
+ {
+ attrib_list[end_attrib + 3] = mFSAASamples;
+ }
+ else
+ {
+ cur_attrib = end_attrib ;
+ end_attrib = 0 ;
+ attrib_list[cur_attrib++] = 0 ; //end
+ }
+ result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats);
+
+ if(result)
+ {
+ LL_WARNS() << "Only support FSAASamples: " << mFSAASamples << LL_ENDL ;
+ }
+ }
+
+ if (!result)
+ {
+ LL_WARNS() << "mFSAASamples: " << mFSAASamples << LL_ENDL ;
+
+ close();
+ show_window_creation_error("Error after wglChoosePixelFormatARB 32-bit");
+ return false;
+ }
+
+ if (!num_formats)
+ {
+ if (end_attrib > 0)
+ {
+ LL_INFOS("Window") << "No valid pixel format for " << mFSAASamples << "x anti-aliasing." << LL_ENDL;
+ attrib_list[end_attrib] = 0;
+
+ BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats);
+ if (!result)
+ {
+ close();
+ show_window_creation_error("Error after wglChoosePixelFormatARB 32-bit no AA");
+ return false;
+ }
+ }
+
+ if (!num_formats)
+ {
+ LL_INFOS("Window") << "No 32 bit z-buffer, trying 24 bits instead" << LL_ENDL;
+ // Try 24-bit format
+ attrib_list[1] = 24;
+ BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats);
+ if (!result)
+ {
+ close();
+ show_window_creation_error("Error after wglChoosePixelFormatARB 24-bit");
+ return false;
+ }
+
+ if (!num_formats)
+ {
+ LL_WARNS("Window") << "Couldn't get 24 bit z-buffer,trying 16 bits instead!" << LL_ENDL;
+ attrib_list[1] = 16;
+ BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats);
+ if (!result || !num_formats)
+ {
+ close();
+ show_window_creation_error("Error after wglChoosePixelFormatARB 16-bit");
+ return false;
+ }
+ }
+ }
+
+ LL_INFOS("Window") << "Choosing pixel formats: " << num_formats << " pixel formats returned" << LL_ENDL;
+ }
+
+ LL_INFOS("Window") << "pixel formats done." << LL_ENDL ;
+
+ S32 swap_method = 0;
+ S32 cur_format = 0;
+const S32 max_format = (S32)num_formats - 1;
+ GLint swap_query = WGL_SWAP_METHOD_ARB;
+
+ // SL-14705 Fix name tags showing in front of objects with AMD GPUs.
+ // On AMD hardware we need to iterate from the first pixel format to the end.
+ // Spec:
+ // https://www.khronos.org/registry/OpenGL/extensions/ARB/WGL_ARB_pixel_format.txt
+ while (wglGetPixelFormatAttribivARB(mhDC, pixel_formats[cur_format], 0, 1, &swap_query, &swap_method))
+ {
+ if (swap_method == WGL_SWAP_UNDEFINED_ARB)
+ {
+ break;
+ }
+ else if (cur_format >= max_format)
+ {
+ cur_format = 0;
+ break;
+ }
+
+ ++cur_format;
+ }
+
+ pixel_format = pixel_formats[cur_format];
+
+ if (mhDC != 0) // Does The Window Have A Device Context?
+ {
+ wglMakeCurrent(mhDC, 0); // Set The Current Active Rendering Context To Zero
+ if (mhRC != 0) // Does The Window Have A Rendering Context?
+ {
+ wglDeleteContext (mhRC); // Release The Rendering Context
+ mhRC = 0; // Zero The Rendering Context
+ }
+ }
+
+ // will release and recreate mhDC, mWindowHandle
+ recreateWindow(window_rect, dw_ex_style, dw_style);
+
+ RECT rect;
+ RECT client_rect;
+ //initialize immediately on main thread
+ if (GetWindowRect(mWindowHandle, &rect) &&
+ GetClientRect(mWindowHandle, &client_rect))
+ {
+ mRect = rect;
+ mClientRect = client_rect;
+ };
+
+ if (mWindowHandle)
+ {
+ LL_INFOS("Window") << "recreate window done." << LL_ENDL ;
+ }
+ else
+ {
+ // Note: if value is NULL GetDC retrieves the DC for the entire screen.
+ LL_WARNS("Window") << "Window recreation failed, code: " << GetLastError() << LL_ENDL;
+ }
+
+ if (!mhDC)
+ {
+ OSMessageBox(mCallbacks->translateString("MBDevContextErr"), mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+ if (!SetPixelFormat(mhDC, pixel_format, &pfd))
+ {
+ OSMessageBox(mCallbacks->translateString("MBPixelFmtSetErr"),
+ mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+ if (wglGetPixelFormatAttribivARB(mhDC, pixel_format, 0, 1, &swap_query, &swap_method))
+ {
+ switch (swap_method)
+ {
+ case WGL_SWAP_EXCHANGE_ARB:
+ mSwapMethod = SWAP_METHOD_EXCHANGE;
+ LL_DEBUGS("Window") << "Swap Method: Exchange" << LL_ENDL;
+ break;
+ case WGL_SWAP_COPY_ARB:
+ mSwapMethod = SWAP_METHOD_COPY;
+ LL_DEBUGS("Window") << "Swap Method: Copy" << LL_ENDL;
+ break;
+ case WGL_SWAP_UNDEFINED_ARB:
+ mSwapMethod = SWAP_METHOD_UNDEFINED;
+ LL_DEBUGS("Window") << "Swap Method: Undefined" << LL_ENDL;
+ break;
+ default:
+ mSwapMethod = SWAP_METHOD_UNDEFINED;
+ LL_DEBUGS("Window") << "Swap Method: Unknown" << LL_ENDL;
+ break;
+ }
+ }
+ }
+ else
+ {
+ LLError::LLUserWarningMsg::show(mCallbacks->translateString("MBVideoDrvErr"));
+ // mWindowHandle is 0, going to crash either way
+ LL_ERRS("Window") << "No wgl_ARB_pixel_format extension!" << LL_ENDL;
+ }
+
+ // Verify what pixel format we actually received.
+ if (!DescribePixelFormat(mhDC, pixel_format, sizeof(PIXELFORMATDESCRIPTOR),
+ &pfd))
+ {
+ OSMessageBox(mCallbacks->translateString("MBPixelFmtDescErr"), mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+ LL_INFOS("Window") << "GL buffer: Color Bits " << S32(pfd.cColorBits)
+ << " Alpha Bits " << S32(pfd.cAlphaBits)
+ << " Depth Bits " << S32(pfd.cDepthBits)
+ << LL_ENDL;
+
+ mhRC = 0;
+ if (wglCreateContextAttribsARB)
+ { //attempt to create a specific versioned context
+ mhRC = (HGLRC) createSharedContext();
+ if (!mhRC)
+ {
+ return false;
+ }
+ }
+
+ if (!wglMakeCurrent(mhDC, mhRC))
+ {
+ OSMessageBox(mCallbacks->translateString("MBGLContextActErr"), mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+ if (!gGLManager.initGL())
+ {
+ OSMessageBox(mCallbacks->translateString("MBVideoDrvErr"), mCallbacks->translateString("MBError"), OSMB_OK);
+ close();
+ return false;
+ }
+
+ // Disable vertical sync for swap
+ toggleVSync(enable_vsync);
+
+ SetWindowLongPtr(mWindowHandle, GWLP_USERDATA, (LONG_PTR)this);
+
+ // register this window as handling drag/drop events from the OS
+ DragAcceptFiles( mWindowHandle, TRUE );
+
+ mDragDrop->init( mWindowHandle );
+
+ //register joystick timer callback
+ SetTimer( mWindowHandle, 0, 1000 / 30, NULL ); // 30 fps timer
+
+ // ok to post quit messages now
+ mPostQuit = true;
+
+ // *HACK: Attempt to prevent startup crashes by deferring memory accounting
+ // until after some graphics setup. See SL-20177. -Cosmic,2023-09-18
+ mWindowThread->post([=]()
+ {
+ mWindowThread->glReady();
+ });
+
+ if (auto_show)
+ {
+ show();
+ glClearColor(0.0f, 0.0f, 0.0f, 0.f);
+ glClear(GL_COLOR_BUFFER_BIT);
+ swapBuffers();
+ }
+
+ LL_PROFILER_GPU_CONTEXT;
+
+ return true;
+}
+
+void LLWindowWin32::recreateWindow(RECT window_rect, DWORD dw_ex_style, DWORD dw_style)
+{
+ auto oldWindowHandle = mWindowHandle;
+ auto oldDCHandle = mhDC;
+
+ // zero out mWindowHandle and mhDC before destroying window so window
+ // thread falls back to peekmessage
+ mWindowHandle = 0;
+ mhDC = 0;
+
+ std::promise<std::pair<HWND, HDC>> promise;
+ // What follows must be done on the window thread.
+ auto window_work =
+ [this,
+ self=mWindowThread,
+ oldWindowHandle,
+ oldDCHandle,
+ // bind CreateWindowEx() parameters by value instead of
+ // back-referencing LLWindowWin32 members
+ windowClassName=mWindowClassName,
+ windowTitle=mWindowTitle,
+ hInstance=mhInstance,
+ window_rect,
+ dw_ex_style,
+ dw_style,
+ &promise]
+ ()
+ {
+ LL_DEBUGS("Window") << "recreateWindow(): window_work entry" << LL_ENDL;
+ self->mWindowHandleThrd = 0;
+ self->mhDCThrd = 0;
+
+ if (oldWindowHandle)
+ {
+ if (oldDCHandle && !ReleaseDC(oldWindowHandle, oldDCHandle))
+ {
+ LL_WARNS("Window") << "Failed to ReleaseDC" << LL_ENDL;
+ }
+
+ // important to call DestroyWindow() from the window thread
+ if (!destroy_window_handler(oldWindowHandle))
+ {
+
+ LL_WARNS("Window") << "Failed to properly close window before recreating it!"
+ << LL_ENDL;
+ }
+ }
+
+ auto handle = CreateWindowEx(dw_ex_style,
+ windowClassName,
+ windowTitle,
+ WS_CLIPSIBLINGS | WS_CLIPCHILDREN | dw_style,
+ window_rect.left, // x pos
+ window_rect.top, // y pos
+ window_rect.right - window_rect.left, // width
+ window_rect.bottom - window_rect.top, // height
+ NULL,
+ NULL,
+ hInstance,
+ NULL);
+
+ if (! handle)
+ {
+ // Failed to create window: clear the variables. This
+ // assignment is valid because we're running on mWindowThread.
+ self->mWindowHandleThrd = NULL;
+ self->mhDCThrd = 0;
+ }
+ else
+ {
+ // Update mWindowThread's own mWindowHandle and mhDC.
+ self->mWindowHandleThrd = handle;
+ self->mhDCThrd = GetDC(handle);
+ }
+
+ updateWindowRect();
+
+ // It's important to wake up the future either way.
+ promise.set_value(std::make_pair(self->mWindowHandleThrd, self->mhDCThrd));
+ LL_DEBUGS("Window") << "recreateWindow(): window_work done" << LL_ENDL;
+ };
+ // But how we pass window_work to the window thread depends on whether we
+ // already have a window handle.
+ if (!oldWindowHandle)
+ {
+ // Pass window_work using the WorkQueue: without an existing window
+ // handle, the window thread can't call GetMessage().
+ LL_DEBUGS("Window") << "posting window_work to WorkQueue" << LL_ENDL;
+ mWindowThread->post(window_work);
+ }
+ else
+ {
+ // Pass window_work using PostMessage(). We can still
+ // PostMessage(oldHandle) because oldHandle won't be destroyed until
+ // the window thread has retrieved and executed window_work.
+ LL_DEBUGS("Window") << "posting window_work to message queue" << LL_ENDL;
+ mWindowThread->Post(oldWindowHandle, window_work);
+ }
+
+ auto future = promise.get_future();
+ // This blocks until mWindowThread processes CreateWindowEx() and calls
+ // promise.set_value().
+ auto pair = future.get();
+ mWindowHandle = pair.first;
+ mhDC = pair.second;
+}
+
+void* LLWindowWin32::createSharedContext()
+{
+ mMaxGLVersion = llclamp(mMaxGLVersion, 3.f, 4.6f);
+
+ S32 version_major = llfloor(mMaxGLVersion);
+ S32 version_minor = llround((mMaxGLVersion-version_major)*10);
+
+ S32 attribs[] =
+ {
+ WGL_CONTEXT_MAJOR_VERSION_ARB, version_major,
+ WGL_CONTEXT_MINOR_VERSION_ARB, version_minor,
+ WGL_CONTEXT_PROFILE_MASK_ARB, LLRender::sGLCoreProfile ? WGL_CONTEXT_CORE_PROFILE_BIT_ARB : WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
+ WGL_CONTEXT_FLAGS_ARB, gDebugGL ? WGL_CONTEXT_DEBUG_BIT_ARB : 0,
+ 0
+ };
+
+ HGLRC rc = 0;
+
+ bool done = false;
+ while (!done)
+ {
+ rc = wglCreateContextAttribsARB(mhDC, mhRC, attribs);
+
+ if (!rc)
+ {
+ if (attribs[3] > 0)
+ { //decrement minor version
+ attribs[3]--;
+ }
+ else if (attribs[1] > 3)
+ { //decrement major version and start minor version over at 3
+ attribs[1]--;
+ attribs[3] = 3;
+ }
+ else
+ { //we reached 3.0 and still failed, bail out
+ done = true;
+ }
+ }
+ else
+ {
+ LL_INFOS() << "Created OpenGL " << llformat("%d.%d", attribs[1], attribs[3]) <<
+ (LLRender::sGLCoreProfile ? " core" : " compatibility") << " context." << LL_ENDL;
+ done = true;
+ }
+ }
+
+ if (!rc && !(rc = wglCreateContext(mhDC)))
+ {
+ close();
+ OSMessageBox(mCallbacks->translateString("MBGLContextErr"), mCallbacks->translateString("MBError"), OSMB_OK);
+ }
+
+ return rc;
+}
+
+void LLWindowWin32::makeContextCurrent(void* contextPtr)
+{
+ wglMakeCurrent(mhDC, (HGLRC) contextPtr);
+ LL_PROFILER_GPU_CONTEXT;
+}
+
+void LLWindowWin32::destroySharedContext(void* contextPtr)
+{
+ wglDeleteContext((HGLRC)contextPtr);
+}
+
+void LLWindowWin32::toggleVSync(bool enable_vsync)
+{
+ if (wglSwapIntervalEXT == nullptr)
+ {
+ LL_INFOS("Window") << "VSync: wglSwapIntervalEXT not initialized" << LL_ENDL;
+ }
+ else if (!enable_vsync)
+ {
+ LL_INFOS("Window") << "Disabling vertical sync" << LL_ENDL;
+ wglSwapIntervalEXT(0);
+ }
+ else
+ {
+ LL_INFOS("Window") << "Enabling vertical sync" << LL_ENDL;
+ wglSwapIntervalEXT(1);
+ }
+}
+
+void LLWindowWin32::moveWindow( const LLCoordScreen& position, const LLCoordScreen& size )
+{
+ if( mIsMouseClipping )
+ {
+ RECT client_rect_in_screen_space;
+ if( getClientRectInScreenSpace( &client_rect_in_screen_space ) )
+ {
+ ClipCursor( &client_rect_in_screen_space );
+ }
+ }
+
+ // if the window was already maximized, MoveWindow seems to still set the maximized flag even if
+ // the window is smaller than maximized.
+ // So we're going to do a restore first (which is a ShowWindow call) (SL-44655).
+
+ // THIS CAUSES DEV-15484 and DEV-15949
+ //ShowWindow(mWindowHandle, SW_RESTORE);
+ // NOW we can call MoveWindow
+ mWindowThread->post([=]()
+ {
+ MoveWindow(mWindowHandle, position.mX, position.mY, size.mX, size.mY, TRUE);
+ });
+}
+
+void LLWindowWin32::setTitle(const std::string title)
+{
+ // TODO: Do we need to use the wide string version of this call
+ // to support non-ascii usernames (and region names?)
+ mWindowThread->post([=]()
+ {
+ SetWindowTextA(mWindowHandle, title.c_str());
+ });
+}
+
+bool LLWindowWin32::setCursorPosition(const LLCoordWindow position)
+{
+ ASSERT_MAIN_THREAD();
+
+ if (!mWindowHandle)
+ {
+ return false;
+ }
+
+ LLCoordScreen screen_pos(position.convert());
+
+ // instantly set the cursor position from the app's point of view
+ mCursorPosition = position;
+ mLastCursorPosition = position;
+
+ // Inform the application of the new mouse position (needed for per-frame
+ // hover/picking to function).
+ mCallbacks->handleMouseMove(this, position.convert(), (MASK)0);
+
+ // actually set the cursor position on the window thread
+ mWindowThread->post([=]()
+ {
+ // actually set the OS cursor position
+ SetCursorPos(screen_pos.mX, screen_pos.mY);
+ });
+
+ return true;
+}
+
+bool LLWindowWin32::getCursorPosition(LLCoordWindow *position)
+{
+ ASSERT_MAIN_THREAD();
+ if (!position)
+ {
+ return false;
+ }
+
+ *position = mCursorPosition;
+ return true;
+}
+
+bool LLWindowWin32::getCursorDelta(LLCoordCommon* delta)
+{
+ if (delta == nullptr)
+ {
+ return false;
+ }
+
+ *delta = mMouseFrameDelta;
+
+ return true;
+}
+
+void LLWindowWin32::hideCursor()
+{
+ ASSERT_MAIN_THREAD();
+
+ mWindowThread->post([=]()
+ {
+ while (ShowCursor(FALSE) >= 0)
+ {
+ // nothing, wait for cursor to push down
+ }
+ });
+
+ mCursorHidden = true;
+ mHideCursorPermanent = true;
+}
+
+void LLWindowWin32::showCursor()
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32;
+
+ ASSERT_MAIN_THREAD();
+
+ mWindowThread->post([=]()
+ {
+ // makes sure the cursor shows up
+ while (ShowCursor(TRUE) < 0)
+ {
+ // do nothing, wait for cursor to pop out
+ }
+ });
+
+ mCursorHidden = false;
+ mHideCursorPermanent = false;
+}
+
+void LLWindowWin32::showCursorFromMouseMove()
+{
+ if (!mHideCursorPermanent)
+ {
+ showCursor();
+ }
+}
+
+void LLWindowWin32::hideCursorUntilMouseMove()
+{
+ if (!mHideCursorPermanent && mMouseVanish)
+ {
+ hideCursor();
+ mHideCursorPermanent = false;
+ }
+}
+
+bool LLWindowWin32::isCursorHidden()
+{
+ return mCursorHidden;
+}
+
+
+HCURSOR LLWindowWin32::loadColorCursor(LPCTSTR name)
+{
+ return (HCURSOR)LoadImage(mhInstance,
+ name,
+ IMAGE_CURSOR,
+ 0, // default width
+ 0, // default height
+ LR_DEFAULTCOLOR);
+}
+
+
+void LLWindowWin32::initCursors()
+{
+ mCursor[ UI_CURSOR_ARROW ] = LoadCursor(NULL, IDC_ARROW);
+ mCursor[ UI_CURSOR_WAIT ] = LoadCursor(NULL, IDC_WAIT);
+ mCursor[ UI_CURSOR_HAND ] = LoadCursor(NULL, IDC_HAND);
+ mCursor[ UI_CURSOR_IBEAM ] = LoadCursor(NULL, IDC_IBEAM);
+ mCursor[ UI_CURSOR_CROSS ] = LoadCursor(NULL, IDC_CROSS);
+ mCursor[ UI_CURSOR_SIZENWSE ] = LoadCursor(NULL, IDC_SIZENWSE);
+ mCursor[ UI_CURSOR_SIZENESW ] = LoadCursor(NULL, IDC_SIZENESW);
+ mCursor[ UI_CURSOR_SIZEWE ] = LoadCursor(NULL, IDC_SIZEWE);
+ mCursor[ UI_CURSOR_SIZENS ] = LoadCursor(NULL, IDC_SIZENS);
+ mCursor[ UI_CURSOR_SIZEALL ] = LoadCursor(NULL, IDC_SIZEALL);
+ mCursor[ UI_CURSOR_NO ] = LoadCursor(NULL, IDC_NO);
+ mCursor[ UI_CURSOR_WORKING ] = LoadCursor(NULL, IDC_APPSTARTING);
+
+ HMODULE module = GetModuleHandle(NULL);
+ mCursor[ UI_CURSOR_TOOLGRAB ] = LoadCursor(module, TEXT("TOOLGRAB"));
+ mCursor[ UI_CURSOR_TOOLLAND ] = LoadCursor(module, TEXT("TOOLLAND"));
+ mCursor[ UI_CURSOR_TOOLFOCUS ] = LoadCursor(module, TEXT("TOOLFOCUS"));
+ mCursor[ UI_CURSOR_TOOLCREATE ] = LoadCursor(module, TEXT("TOOLCREATE"));
+ mCursor[ UI_CURSOR_ARROWDRAG ] = LoadCursor(module, TEXT("ARROWDRAG"));
+ mCursor[ UI_CURSOR_ARROWCOPY ] = LoadCursor(module, TEXT("ARROWCOPY"));
+ mCursor[ UI_CURSOR_ARROWDRAGMULTI ] = LoadCursor(module, TEXT("ARROWDRAGMULTI"));
+ mCursor[ UI_CURSOR_ARROWCOPYMULTI ] = LoadCursor(module, TEXT("ARROWCOPYMULTI"));
+ mCursor[ UI_CURSOR_NOLOCKED ] = LoadCursor(module, TEXT("NOLOCKED"));
+ mCursor[ UI_CURSOR_ARROWLOCKED ]= LoadCursor(module, TEXT("ARROWLOCKED"));
+ mCursor[ UI_CURSOR_GRABLOCKED ] = LoadCursor(module, TEXT("GRABLOCKED"));
+ mCursor[ UI_CURSOR_TOOLTRANSLATE ] = LoadCursor(module, TEXT("TOOLTRANSLATE"));
+ mCursor[ UI_CURSOR_TOOLROTATE ] = LoadCursor(module, TEXT("TOOLROTATE"));
+ mCursor[ UI_CURSOR_TOOLSCALE ] = LoadCursor(module, TEXT("TOOLSCALE"));
+ mCursor[ UI_CURSOR_TOOLCAMERA ] = LoadCursor(module, TEXT("TOOLCAMERA"));
+ mCursor[ UI_CURSOR_TOOLPAN ] = LoadCursor(module, TEXT("TOOLPAN"));
+ mCursor[ UI_CURSOR_TOOLZOOMIN ] = LoadCursor(module, TEXT("TOOLZOOMIN"));
+ mCursor[ UI_CURSOR_TOOLZOOMOUT ] = LoadCursor(module, TEXT("TOOLZOOMOUT"));
+ mCursor[ UI_CURSOR_TOOLPICKOBJECT3 ] = LoadCursor(module, TEXT("TOOLPICKOBJECT3"));
+ mCursor[ UI_CURSOR_PIPETTE ] = LoadCursor(module, TEXT("TOOLPIPETTE"));
+ mCursor[ UI_CURSOR_TOOLSIT ] = LoadCursor(module, TEXT("TOOLSIT"));
+ mCursor[ UI_CURSOR_TOOLBUY ] = LoadCursor(module, TEXT("TOOLBUY"));
+ mCursor[ UI_CURSOR_TOOLOPEN ] = LoadCursor(module, TEXT("TOOLOPEN"));
+ mCursor[ UI_CURSOR_TOOLPATHFINDING ] = LoadCursor(module, TEXT("TOOLPATHFINDING"));
+ mCursor[ UI_CURSOR_TOOLPATHFINDING_PATH_START_ADD ] = LoadCursor(module, TEXT("TOOLPATHFINDINGPATHSTARTADD"));
+ mCursor[ UI_CURSOR_TOOLPATHFINDING_PATH_START ] = LoadCursor(module, TEXT("TOOLPATHFINDINGPATHSTART"));
+ mCursor[ UI_CURSOR_TOOLPATHFINDING_PATH_END ] = LoadCursor(module, TEXT("TOOLPATHFINDINGPATHEND"));
+ mCursor[ UI_CURSOR_TOOLPATHFINDING_PATH_END_ADD ] = LoadCursor(module, TEXT("TOOLPATHFINDINGPATHENDADD"));
+ mCursor[ UI_CURSOR_TOOLNO ] = LoadCursor(module, TEXT("TOOLNO"));
+
+ // Color cursors
+ mCursor[ UI_CURSOR_TOOLPLAY ] = loadColorCursor(TEXT("TOOLPLAY"));
+ mCursor[ UI_CURSOR_TOOLPAUSE ] = loadColorCursor(TEXT("TOOLPAUSE"));
+ mCursor[ UI_CURSOR_TOOLMEDIAOPEN ] = loadColorCursor(TEXT("TOOLMEDIAOPEN"));
+
+ // Note: custom cursors that are not found make LoadCursor() return NULL.
+ for( S32 i = 0; i < UI_CURSOR_COUNT; i++ )
+ {
+ if( !mCursor[i] )
+ {
+ mCursor[i] = LoadCursor(NULL, IDC_ARROW);
+ }
+ }
+}
+
+
+
+void LLWindowWin32::updateCursor()
+{
+ ASSERT_MAIN_THREAD();
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32
+ if (mNextCursor == UI_CURSOR_ARROW
+ && mBusyCount > 0)
+ {
+ mNextCursor = UI_CURSOR_WORKING;
+ }
+
+ if( mCurrentCursor != mNextCursor )
+ {
+ mCurrentCursor = mNextCursor;
+ auto nextCursor = mCursor[mNextCursor];
+ mWindowThread->post([=]()
+ {
+ SetCursor(nextCursor);
+ });
+ }
+}
+
+ECursorType LLWindowWin32::getCursor() const
+{
+ return mCurrentCursor;
+}
+
+void LLWindowWin32::captureMouse()
+{
+ SetCapture(mWindowHandle);
+}
+
+void LLWindowWin32::releaseMouse()
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32;
+ ReleaseCapture();
+}
+
+
+void LLWindowWin32::delayInputProcessing()
+{
+ mInputProcessingPaused = true;
+}
+
+
+void LLWindowWin32::gatherInput()
+{
+ ASSERT_MAIN_THREAD();
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32
+ MSG msg;
+
+ {
+ LLMutexLock lock(&mRawMouseMutex);
+ mMouseFrameDelta = mRawMouseDelta;
+
+ mRawMouseDelta.mX = 0;
+ mRawMouseDelta.mY = 0;
+ }
+
+
+ if (mWindowThread->getQueue().size())
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - PostMessage");
+ kickWindowThread();
+ }
+
+ while (mWindowThread->mMessageQueue.tryPopBack(msg))
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - message queue");
+ if (mInputProcessingPaused)
+ {
+ continue;
+ }
+
+ // For async host by name support. Really hacky.
+ if (gAsyncMsgCallback && (LL_WM_HOST_RESOLVED == msg.message))
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - callback");
+ gAsyncMsgCallback(msg);
+ }
+ }
+
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - PeekMessage");
+ S32 msg_count = 0;
+ while ((msg_count < MAX_MESSAGE_PER_UPDATE) && PeekMessage(&msg, NULL, WM_USER, WM_USER, PM_REMOVE))
+ {
+ TranslateMessage(&msg);
+ DispatchMessage(&msg);
+ msg_count++;
+ }
+ }
+
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - function queue");
+ //process any pending functions
+ std::function<void()> curFunc;
+ while (mFunctionQueue.tryPopBack(curFunc))
+ {
+ curFunc();
+ }
+ }
+
+ // send one and only one mouse move event per frame BEFORE handling mouse button presses
+ if (mLastCursorPosition != mCursorPosition)
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - mouse move");
+ mCallbacks->handleMouseMove(this, mCursorPosition.convert(), mMouseMask);
+ }
+
+ mLastCursorPosition = mCursorPosition;
+
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("gi - mouse queue");
+ // handle mouse button presses AFTER updating mouse cursor position
+ std::function<void()> curFunc;
+ while (mMouseQueue.tryPopBack(curFunc))
+ {
+ curFunc();
+ }
+ }
+
+ mInputProcessingPaused = false;
+
+ updateCursor();
+}
+
+static LLTrace::BlockTimerStatHandle FTM_KEYHANDLER("Handle Keyboard");
+static LLTrace::BlockTimerStatHandle FTM_MOUSEHANDLER("Handle Mouse");
+
+#define WINDOW_IMP_POST(x) window_imp->post([=]() { x; })
+
+LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_param, LPARAM l_param)
+{
+ ASSERT_WINDOW_THREAD();
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32;
+
+ if (u_msg == WM_POST_FUNCTION_)
+ {
+ // from LLWindowWin32Thread::Post()
+ // Cast l_param back to the pointer to the heap FuncType
+ // allocated by Post(). Capture in unique_ptr so we'll delete
+ // once we're done with it.
+ std::unique_ptr<LLWindowWin32Thread::FuncType>
+ ptr(reinterpret_cast<LLWindowWin32Thread::FuncType*>(l_param));
+ (*ptr)();
+ return 0;
+ }
+
+ // Ignore clicks not originated in the client area, i.e. mouse-up events not preceded with a WM_LBUTTONDOWN.
+ // This helps prevent avatar walking after maximizing the window by double-clicking the title bar.
+ static bool sHandleLeftMouseUp = true;
+
+ // Ignore the double click received right after activating app.
+ // This is to avoid triggering double click teleport after returning focus (see MAINT-3786).
+ static bool sHandleDoubleClick = true;
+
+ LLWindowWin32* window_imp = (LLWindowWin32*)GetWindowLongPtr(h_wnd, GWLP_USERDATA);
+
+ if (NULL != window_imp)
+ {
+ // Juggle to make sure we can get negative positions for when
+ // mouse is outside window.
+ LLCoordWindow window_coord((S32)(S16)LOWORD(l_param), (S32)(S16)HIWORD(l_param));
+
+ // pass along extended flag in mask
+ MASK mask = (l_param >> 16 & KF_EXTENDED) ? MASK_EXTENDED : 0x0;
+ bool eat_keystroke = true;
+
+ switch (u_msg)
+ {
+ RECT update_rect;
+ S32 update_width;
+ S32 update_height;
+
+ case WM_TIMER:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_TIMER");
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleTimerEvent(window_imp));
+ break;
+ }
+
+ case WM_DEVICECHANGE:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_DEVICECHANGE");
+ if (w_param == DBT_DEVNODES_CHANGED || w_param == DBT_DEVICEARRIVAL)
+ {
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleDeviceChange(window_imp));
+
+ return 1;
+ }
+ break;
+ }
+
+ case WM_PAINT:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_PAINT");
+ GetUpdateRect(window_imp->mWindowHandle, &update_rect, FALSE);
+ update_width = update_rect.right - update_rect.left + 1;
+ update_height = update_rect.bottom - update_rect.top + 1;
+
+ WINDOW_IMP_POST(window_imp->mCallbacks->handlePaint(window_imp, update_rect.left, update_rect.top,
+ update_width, update_height));
+ break;
+ }
+ case WM_PARENTNOTIFY:
+ {
+ break;
+ }
+
+ case WM_SETCURSOR:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SETCURSOR");
+ // This message is sent whenever the cursor is moved in a window.
+ // You need to set the appropriate cursor appearance.
+
+ // Only take control of cursor over client region of window
+ // This allows Windows(tm) to handle resize cursors, etc.
+ if (LOWORD(l_param) == HTCLIENT)
+ {
+ SetCursor(window_imp->mCursor[window_imp->mCurrentCursor]);
+ return 0;
+ }
+ break;
+ }
+ case WM_ENTERMENULOOP:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_ENTERMENULOOP");
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleWindowBlock(window_imp));
+ break;
+ }
+
+ case WM_EXITMENULOOP:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_EXITMENULOOP");
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleWindowUnblock(window_imp));
+ break;
+ }
+
+ case WM_ACTIVATEAPP:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_ACTIVATEAPP");
+ window_imp->post([=]()
+ {
+ // This message should be sent whenever the app gains or loses focus.
+ BOOL activating = (BOOL)w_param;
+
+ if (window_imp->mFullscreen)
+ {
+ // When we run fullscreen, restoring or minimizing the app needs
+ // to switch the screen resolution
+ if (activating)
+ {
+ window_imp->setFullscreenResolution();
+ window_imp->restore();
+ }
+ else
+ {
+ window_imp->minimize();
+ window_imp->resetDisplayResolution();
+ }
+ }
+
+ if (!activating)
+ {
+ sHandleDoubleClick = false;
+ }
+
+ window_imp->mCallbacks->handleActivateApp(window_imp, activating);
+ });
+ break;
+ }
+ case WM_ACTIVATE:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_ACTIVATE");
+ window_imp->post([=]()
+ {
+ // Can be one of WA_ACTIVE, WA_CLICKACTIVE, or WA_INACTIVE
+ BOOL activating = (LOWORD(w_param) != WA_INACTIVE);
+
+ if (!activating && LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ window_imp->interruptLanguageTextInput();
+ }
+ });
+
+ break;
+ }
+
+ case WM_QUERYOPEN:
+ // TODO: use this to return a nice icon
+ break;
+
+ case WM_SYSCOMMAND:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SYSCOMMAND");
+ switch (w_param)
+ {
+ case SC_KEYMENU:
+ // Disallow the ALT key from triggering the default system menu.
+ return 0;
+
+ case SC_SCREENSAVE:
+ case SC_MONITORPOWER:
+ // eat screen save messages and prevent them!
+ return 0;
+ }
+ break;
+ }
+ case WM_CLOSE:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_CLOSE");
+ window_imp->post([=]()
+ {
+ // Will the app allow the window to close?
+ if (window_imp->mCallbacks->handleCloseRequest(window_imp))
+ {
+ // Get the app to initiate cleanup.
+ window_imp->mCallbacks->handleQuit(window_imp);
+ // The app is responsible for calling destroyWindow when done with GL
+ }
+ });
+ return 0;
+ }
+ case WM_DESTROY:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_DESTROY");
+ if (window_imp->shouldPostQuit())
+ {
+ PostQuitMessage(0); // Posts WM_QUIT with an exit code of 0
+ }
+ return 0;
+ }
+ case WM_COMMAND:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_COMMAND");
+ if (!HIWORD(w_param)) // this message is from a menu
+ {
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleMenuSelect(window_imp, LOWORD(w_param)));
+ }
+ break;
+ }
+ case WM_SYSKEYDOWN:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SYSKEYDOWN");
+ // allow system keys, such as ALT-F4 to be processed by Windows
+ eat_keystroke = false;
+ // intentional fall-through here
+ [[fallthrough]];
+ }
+ case WM_KEYDOWN:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_KEYDOWN");
+ window_imp->post([=]()
+ {
+ window_imp->mKeyCharCode = 0; // don't know until wm_char comes in next
+ window_imp->mKeyScanCode = (l_param >> 16) & 0xff;
+ window_imp->mKeyVirtualKey = w_param;
+ window_imp->mRawMsg = u_msg;
+ window_imp->mRawWParam = w_param;
+ window_imp->mRawLParam = l_param;
+
+ gKeyboard->handleKeyDown(w_param, mask);
+ });
+ if (eat_keystroke) return 0; // skip DefWindowProc() handling if we're consuming the keypress
+ break;
+ }
+ case WM_SYSKEYUP:
+ eat_keystroke = false;
+ // intentional fall-through here
+ [[fallthrough]];
+ case WM_KEYUP:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_KEYUP");
+ window_imp->post([=]()
+ {
+ window_imp->mKeyScanCode = (l_param >> 16) & 0xff;
+ window_imp->mKeyVirtualKey = w_param;
+ window_imp->mRawMsg = u_msg;
+ window_imp->mRawWParam = w_param;
+ window_imp->mRawLParam = l_param;
+
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_KEYUP");
+ gKeyboard->handleKeyUp(w_param, mask);
+ }
+ });
+ if (eat_keystroke) return 0; // skip DefWindowProc() handling if we're consuming the keypress
+ break;
+ }
+ case WM_IME_SETCONTEXT:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_SETCONTEXT");
+ if (LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ l_param &= ~ISC_SHOWUICOMPOSITIONWINDOW;
+ // Invoke DefWinProc with the modified LPARAM.
+ }
+ break;
+ }
+ case WM_IME_STARTCOMPOSITION:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_STARTCOMPOSITION");
+ if (LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ WINDOW_IMP_POST(window_imp->handleStartCompositionMessage());
+ return 0;
+ }
+ break;
+ }
+ case WM_IME_ENDCOMPOSITION:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_ENDCOMPOSITION");
+ if (LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ return 0;
+ }
+ break;
+ }
+ case WM_IME_COMPOSITION:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_COMPOSITION");
+ if (LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ WINDOW_IMP_POST(window_imp->handleCompositionMessage(l_param));
+ return 0;
+ }
+ break;
+ }
+ case WM_IME_REQUEST:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_IME_REQUEST");
+ if (LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ LRESULT result;
+ window_imp->handleImeRequests(w_param, l_param, &result);
+ return result;
+ }
+ break;
+ }
+ case WM_CHAR:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_CHAR");
+ window_imp->post([=]()
+ {
+ window_imp->mKeyCharCode = w_param;
+ window_imp->mRawMsg = u_msg;
+ window_imp->mRawWParam = w_param;
+ window_imp->mRawLParam = l_param;
+
+ // Should really use WM_UNICHAR eventually, but it requires a specific Windows version and I need
+ // to figure out how that works. - Doug
+ //
+ // ... Well, I don't think so.
+ // How it works is explained in Win32 API document, but WM_UNICHAR didn't work
+ // as specified at least on Windows XP SP1 Japanese version. I have never used
+ // it since then, and I'm not sure whether it has been fixed now, but I don't think
+ // it is worth trying. The good old WM_CHAR works just fine even for supplementary
+ // characters. We just need to take care of surrogate pairs sent as two WM_CHAR's
+ // by ourselves. It is not that tough. -- Alissa Sabre @ SL
+
+ // Even if LLWindowCallbacks::handleUnicodeChar(llwchar, bool) returned false,
+ // we *did* processed the event, so I believe we should not pass it to DefWindowProc...
+ window_imp->handleUnicodeUTF16((U16)w_param, gKeyboard->currentMask(false));
+ });
+ return 0;
+ }
+ case WM_NCLBUTTONDOWN:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_NCLBUTTONDOWN");
+ {
+ // A click in a non-client area, e.g. title bar or window border.
+ window_imp->post([=]()
+ {
+ sHandleLeftMouseUp = false;
+ sHandleDoubleClick = true;
+ });
+ }
+ break;
+ }
+ case WM_LBUTTONDOWN:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_LBUTTONDOWN");
+ {
+ LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER);
+ window_imp->postMouseButtonEvent([=]()
+ {
+ sHandleLeftMouseUp = true;
+
+ if (LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ window_imp->interruptLanguageTextInput();
+ }
+
+ MASK mask = gKeyboard->currentMask(true);
+ auto gl_coord = window_imp->mCursorPosition.convert();
+ window_imp->mCallbacks->handleMouseMove(window_imp, gl_coord, mask);
+ window_imp->mCallbacks->handleMouseDown(window_imp, gl_coord, mask);
+ });
+
+ return 0;
+ }
+ break;
+ }
+
+ case WM_LBUTTONDBLCLK:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_LBUTTONDBLCLK");
+ window_imp->postMouseButtonEvent([=]()
+ {
+ //RN: ignore right button double clicks for now
+ //case WM_RBUTTONDBLCLK:
+ if (!sHandleDoubleClick)
+ {
+ sHandleDoubleClick = true;
+ return;
+ }
+ MASK mask = gKeyboard->currentMask(true);
+
+ // generate move event to update mouse coordinates
+ window_imp->mCursorPosition = window_coord;
+ window_imp->mCallbacks->handleDoubleClick(window_imp, window_imp->mCursorPosition.convert(), mask);
+ });
+
+ return 0;
+ }
+ case WM_LBUTTONUP:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_LBUTTONUP");
+ {
+ window_imp->postMouseButtonEvent([=]()
+ {
+ LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER);
+ if (!sHandleLeftMouseUp)
+ {
+ sHandleLeftMouseUp = true;
+ return;
+ }
+ sHandleDoubleClick = true;
+
+
+ MASK mask = gKeyboard->currentMask(true);
+ // generate move event to update mouse coordinates
+ window_imp->mCursorPosition = window_coord;
+ window_imp->mCallbacks->handleMouseUp(window_imp, window_imp->mCursorPosition.convert(), mask);
+ });
+ }
+ return 0;
+ }
+ case WM_RBUTTONDBLCLK:
+ case WM_RBUTTONDOWN:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_RBUTTONDOWN");
+ {
+ LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER);
+ window_imp->post([=]()
+ {
+ if (LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ WINDOW_IMP_POST(window_imp->interruptLanguageTextInput());
+ }
+
+ MASK mask = gKeyboard->currentMask(true);
+ // generate move event to update mouse coordinates
+ auto gl_coord = window_imp->mCursorPosition.convert();
+ window_imp->mCallbacks->handleMouseMove(window_imp, gl_coord, mask);
+ window_imp->mCallbacks->handleRightMouseDown(window_imp, gl_coord, mask);
+ });
+ }
+ return 0;
+ }
+ break;
+
+ case WM_RBUTTONUP:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_RBUTTONUP");
+ {
+ LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER);
+ window_imp->postMouseButtonEvent([=]()
+ {
+ MASK mask = gKeyboard->currentMask(true);
+ window_imp->mCallbacks->handleRightMouseUp(window_imp, window_imp->mCursorPosition.convert(), mask);
+ });
+ }
+ }
+ break;
+
+ case WM_MBUTTONDOWN:
+ // case WM_MBUTTONDBLCLK:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MBUTTONDOWN");
+ {
+ LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER);
+ window_imp->postMouseButtonEvent([=]()
+ {
+ if (LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ window_imp->interruptLanguageTextInput();
+ }
+
+ MASK mask = gKeyboard->currentMask(true);
+ window_imp->mCallbacks->handleMiddleMouseDown(window_imp, window_imp->mCursorPosition.convert(), mask);
+ });
+ }
+ }
+ break;
+
+ case WM_MBUTTONUP:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MBUTTONUP");
+ {
+ LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER);
+ window_imp->postMouseButtonEvent([=]()
+ {
+ MASK mask = gKeyboard->currentMask(true);
+ window_imp->mCallbacks->handleMiddleMouseUp(window_imp, window_imp->mCursorPosition.convert(), mask);
+ });
+ }
+ }
+ break;
+ case WM_XBUTTONDOWN:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_XBUTTONDOWN");
+ window_imp->postMouseButtonEvent([=]()
+ {
+ LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER);
+ S32 button = GET_XBUTTON_WPARAM(w_param);
+ if (LLWinImm::isAvailable() && window_imp->mPreeditor)
+ {
+ window_imp->interruptLanguageTextInput();
+ }
+
+ MASK mask = gKeyboard->currentMask(true);
+ // Windows uses numbers 1 and 2 for buttons, remap to 4, 5
+ window_imp->mCallbacks->handleOtherMouseDown(window_imp, window_imp->mCursorPosition.convert(), mask, button + 3);
+ });
+
+ }
+ break;
+
+ case WM_XBUTTONUP:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_XBUTTONUP");
+ window_imp->postMouseButtonEvent([=]()
+ {
+
+ LL_RECORD_BLOCK_TIME(FTM_MOUSEHANDLER);
+
+ S32 button = GET_XBUTTON_WPARAM(w_param);
+ MASK mask = gKeyboard->currentMask(true);
+ // Windows uses numbers 1 and 2 for buttons, remap to 4, 5
+ window_imp->mCallbacks->handleOtherMouseUp(window_imp, window_imp->mCursorPosition.convert(), mask, button + 3);
+ });
+ }
+ break;
+
+ case WM_MOUSEWHEEL:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MOUSEWHEEL");
+ static short z_delta = 0;
+
+ RECT client_rect;
+
+ // eat scroll events that occur outside our window, since we use mouse position to direct scroll
+ // instead of keyboard focus
+ // NOTE: mouse_coord is in *window* coordinates for scroll events
+ POINT mouse_coord = { (S32)(S16)LOWORD(l_param), (S32)(S16)HIWORD(l_param) };
+
+ if (ScreenToClient(window_imp->mWindowHandle, &mouse_coord)
+ && GetClientRect(window_imp->mWindowHandle, &client_rect))
+ {
+ // we have a valid mouse point and client rect
+ if (mouse_coord.x < client_rect.left || client_rect.right < mouse_coord.x
+ || mouse_coord.y < client_rect.top || client_rect.bottom < mouse_coord.y)
+ {
+ // mouse is outside of client rect, so don't do anything
+ return 0;
+ }
+ }
+
+ S16 incoming_z_delta = HIWORD(w_param);
+ z_delta += incoming_z_delta;
+ // cout << "z_delta " << z_delta << endl;
+
+ // current mouse wheels report changes in increments of zDelta (+120, -120)
+ // Future, higher resolution mouse wheels may report smaller deltas.
+ // So we sum the deltas and only act when we've exceeded WHEEL_DELTA
+ //
+ // If the user rapidly spins the wheel, we can get messages with
+ // large deltas, like 480 or so. Thus we need to scroll more quickly.
+ if (z_delta <= -WHEEL_DELTA || WHEEL_DELTA <= z_delta)
+ {
+ short clicks = -z_delta / WHEEL_DELTA;
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleScrollWheel(window_imp, clicks));
+ z_delta = 0;
+ }
+ return 0;
+ }
+ /*
+ // TODO: add this after resolving _WIN32_WINNT issue
+ case WM_MOUSELEAVE:
+ {
+ window_imp->mCallbacks->handleMouseLeave(window_imp);
+
+ // TRACKMOUSEEVENT track_mouse_event;
+ // track_mouse_event.cbSize = sizeof( TRACKMOUSEEVENT );
+ // track_mouse_event.dwFlags = TME_LEAVE;
+ // track_mouse_event.hwndTrack = h_wnd;
+ // track_mouse_event.dwHoverTime = HOVER_DEFAULT;
+ // TrackMouseEvent( &track_mouse_event );
+ return 0;
+ }
+ */
+ case WM_MOUSEHWHEEL:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MOUSEHWHEEL");
+ static short h_delta = 0;
+
+ RECT client_rect;
+
+ // eat scroll events that occur outside our window, since we use mouse position to direct scroll
+ // instead of keyboard focus
+ // NOTE: mouse_coord is in *window* coordinates for scroll events
+ POINT mouse_coord = { (S32)(S16)LOWORD(l_param), (S32)(S16)HIWORD(l_param) };
+
+ if (ScreenToClient(window_imp->mWindowHandle, &mouse_coord)
+ && GetClientRect(window_imp->mWindowHandle, &client_rect))
+ {
+ // we have a valid mouse point and client rect
+ if (mouse_coord.x < client_rect.left || client_rect.right < mouse_coord.x
+ || mouse_coord.y < client_rect.top || client_rect.bottom < mouse_coord.y)
+ {
+ // mouse is outside of client rect, so don't do anything
+ return 0;
+ }
+ }
+
+ S16 incoming_h_delta = HIWORD(w_param);
+ h_delta += incoming_h_delta;
+
+ // If the user rapidly spins the wheel, we can get messages with
+ // large deltas, like 480 or so. Thus we need to scroll more quickly.
+ if (h_delta <= -WHEEL_DELTA || WHEEL_DELTA <= h_delta)
+ {
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleScrollHWheel(window_imp, h_delta / WHEEL_DELTA));
+ h_delta = 0;
+ }
+ return 0;
+ }
+ // Handle mouse movement within the window
+ case WM_MOUSEMOVE:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MOUSEMOVE");
+ // DO NOT use mouse event queue for move events to ensure cursor position is updated
+ // when button events are handled
+ WINDOW_IMP_POST(
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_MOUSEMOVE lambda");
+
+ MASK mask = gKeyboard->currentMask(true);
+ window_imp->mMouseMask = mask;
+ window_imp->mCursorPosition = window_coord;
+ });
+ return 0;
+ }
+
+ case WM_GETMINMAXINFO:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_GETMINMAXINFO");
+ LPMINMAXINFO min_max = (LPMINMAXINFO)l_param;
+ min_max->ptMinTrackSize.x = window_imp->mMinWindowWidth;
+ min_max->ptMinTrackSize.y = window_imp->mMinWindowHeight;
+ return 0;
+ }
+
+ case WM_MOVE:
+ {
+ window_imp->updateWindowRect();
+ return 0;
+ }
+ case WM_SIZE:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SIZE");
+ window_imp->updateWindowRect();
+
+ // There's an odd behavior with WM_SIZE that I would call a bug. If
+ // the window is maximized, and you call MoveWindow() with a size smaller
+ // than a maximized window, it ends up sending WM_SIZE with w_param set
+ // to SIZE_MAXIMIZED -- which isn't true. So the logic below doesn't work.
+ // (SL-44655). Fixed it by calling ShowWindow(SW_RESTORE) first (see
+ // LLWindowWin32::moveWindow in this file).
+
+ // If we are now restored, but we weren't before, this
+ // means that the window was un-minimized.
+ if (w_param == SIZE_RESTORED && window_imp->mLastSizeWParam != SIZE_RESTORED)
+ {
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleActivate(window_imp, true));
+ }
+
+ // handle case of window being maximized from fully minimized state
+ if (w_param == SIZE_MAXIMIZED && window_imp->mLastSizeWParam != SIZE_MAXIMIZED)
+ {
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleActivate(window_imp, true));
+ }
+
+ // Also handle the minimization case
+ if (w_param == SIZE_MINIMIZED && window_imp->mLastSizeWParam != SIZE_MINIMIZED)
+ {
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleActivate(window_imp, false));
+ }
+
+ // Actually resize all of our views
+ if (w_param != SIZE_MINIMIZED)
+ {
+ // Ignore updates for minimizing and minimized "windows"
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleResize(window_imp,
+ LOWORD(l_param),
+ HIWORD(l_param)));
+ }
+
+ window_imp->mLastSizeWParam = w_param;
+
+ return 0;
+ }
+
+ case WM_DPICHANGED:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_DPICHANGED");
+ LPRECT lprc_new_scale;
+ F32 new_scale = F32(LOWORD(w_param)) / F32(USER_DEFAULT_SCREEN_DPI);
+ lprc_new_scale = (LPRECT)l_param;
+ S32 new_width = lprc_new_scale->right - lprc_new_scale->left;
+ S32 new_height = lprc_new_scale->bottom - lprc_new_scale->top;
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleDPIChanged(window_imp, new_scale, new_width, new_height));
+
+ SetWindowPos(h_wnd,
+ HWND_TOP,
+ lprc_new_scale->left,
+ lprc_new_scale->top,
+ new_width,
+ new_height,
+ SWP_NOZORDER | SWP_NOACTIVATE);
+
+ return 0;
+ }
+
+ case WM_SETFOCUS:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SETFOCUS");
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleFocus(window_imp));
+ return 0;
+ }
+
+ case WM_KILLFOCUS:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_KILLFOCUS");
+ WINDOW_IMP_POST(window_imp->mCallbacks->handleFocusLost(window_imp));
+ return 0;
+ }
+
+ case WM_COPYDATA:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_COPYDATA");
+ {
+ // received a URL
+ PCOPYDATASTRUCT myCDS = (PCOPYDATASTRUCT)l_param;
+ void* data = new U8[myCDS->cbData];
+ memcpy(data, myCDS->lpData, myCDS->cbData);
+ auto myType = myCDS->dwData;
+
+ window_imp->post([=]()
+ {
+ window_imp->mCallbacks->handleDataCopy(window_imp, myType, data);
+ delete[] data;
+ });
+ };
+ return 0;
+ }
+ case WM_SETTINGCHANGE:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - WM_SETTINGCHANGE");
+ if (w_param == SPI_SETMOUSEVANISH)
+ {
+ if (!SystemParametersInfo(SPI_GETMOUSEVANISH, 0, &window_imp->mMouseVanish, 0))
+ {
+ WINDOW_IMP_POST(window_imp->mMouseVanish = true);
+ }
+ }
+ }
+ break;
+
+ case WM_INPUT:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("MWP - WM_INPUT");
+
+ UINT dwSize = 0;
+ GetRawInputData((HRAWINPUT)l_param, RID_INPUT, NULL, &dwSize, sizeof(RAWINPUTHEADER));
+ llassert(dwSize < 1024);
+
+ U8 lpb[1024];
+
+ if (GetRawInputData((HRAWINPUT)l_param, RID_INPUT, (void*)lpb, &dwSize, sizeof(RAWINPUTHEADER)) == dwSize)
+ {
+ RAWINPUT* raw = (RAWINPUT*)lpb;
+
+ if (raw->header.dwType == RIM_TYPEMOUSE)
+ {
+ LLMutexLock lock(&window_imp->mRawMouseMutex);
+
+ bool absolute_coordinates = (raw->data.mouse.usFlags & MOUSE_MOVE_ABSOLUTE);
+
+ if (absolute_coordinates)
+ {
+ static S32 prev_absolute_x = 0;
+ static S32 prev_absolute_y = 0;
+ S32 absolute_x;
+ S32 absolute_y;
+
+ if ((raw->data.mouse.usFlags & 0x10) == 0x10) // touch screen? touch? Not defined in header
+ {
+ // touch screen spams (0,0) coordinates in a number of situations
+ // (0,0) might need to be filtered
+ absolute_x = raw->data.mouse.lLastX;
+ absolute_y = raw->data.mouse.lLastY;
+ }
+ else
+ {
+ bool v_desktop = (raw->data.mouse.usFlags & MOUSE_VIRTUAL_DESKTOP) == MOUSE_VIRTUAL_DESKTOP;
+
+ S32 width = GetSystemMetrics(v_desktop ? SM_CXVIRTUALSCREEN : SM_CXSCREEN);
+ S32 height = GetSystemMetrics(v_desktop ? SM_CYVIRTUALSCREEN : SM_CYSCREEN);
+
+ absolute_x = (raw->data.mouse.lLastX / 65535.0f) * width;
+ absolute_y = (raw->data.mouse.lLastY / 65535.0f) * height;
+ }
+
+ window_imp->mRawMouseDelta.mX += absolute_x - prev_absolute_x;
+ window_imp->mRawMouseDelta.mY -= absolute_y - prev_absolute_y;
+
+ prev_absolute_x = absolute_x;
+ prev_absolute_y = absolute_y;
+ }
+ else
+ {
+ S32 speed;
+ const S32 DEFAULT_SPEED(10);
+ SystemParametersInfo(SPI_GETMOUSESPEED, 0, &speed, 0);
+ if (speed == DEFAULT_SPEED)
+ {
+ window_imp->mRawMouseDelta.mX += raw->data.mouse.lLastX;
+ window_imp->mRawMouseDelta.mY -= raw->data.mouse.lLastY;
+ }
+ else
+ {
+ window_imp->mRawMouseDelta.mX += round((F32)raw->data.mouse.lLastX * (F32)speed / DEFAULT_SPEED);
+ window_imp->mRawMouseDelta.mY -= round((F32)raw->data.mouse.lLastY * (F32)speed / DEFAULT_SPEED);
+ }
+ }
+ }
+ }
+ }
+ break;
+
+ //list of messages we get often that we don't care to log about
+ case WM_NCHITTEST:
+ case WM_NCMOUSEMOVE:
+ case WM_NCMOUSELEAVE:
+ case WM_MOVING:
+ case WM_WINDOWPOSCHANGING:
+ case WM_WINDOWPOSCHANGED:
+ break;
+
+ default:
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - default");
+ LL_DEBUGS("Window") << "Unhandled windows message code: 0x" << std::hex << U32(u_msg) << LL_ENDL;
+ }
+ break;
+ }
+ }
+ else
+ {
+ // (NULL == window_imp)
+ LL_DEBUGS("Window") << "No window implementation to handle message with, message code: " << U32(u_msg) << LL_ENDL;
+ }
+
+ // pass unhandled messages down to Windows
+ LRESULT ret;
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("mwp - DefWindowProc");
+ ret = DefWindowProc(h_wnd, u_msg, w_param, l_param);
+ }
+ return ret;
+}
+
+bool LLWindowWin32::convertCoords(LLCoordGL from, LLCoordWindow *to)
+{
+ S32 client_height;
+ RECT client_rect;
+ LLCoordWindow window_position;
+
+ if (!mWindowHandle ||
+ !GetClientRect(mWindowHandle, &client_rect) ||
+ NULL == to)
+ {
+ return false;
+ }
+
+ to->mX = from.mX;
+ client_height = client_rect.bottom - client_rect.top;
+ to->mY = client_height - from.mY - 1;
+
+ return true;
+}
+
+bool LLWindowWin32::convertCoords(LLCoordWindow from, LLCoordGL* to)
+{
+ S32 client_height;
+ RECT client_rect;
+
+ if (!mWindowHandle ||
+ !GetClientRect(mWindowHandle, &client_rect) ||
+ NULL == to)
+ {
+ return false;
+ }
+
+ to->mX = from.mX;
+ client_height = client_rect.bottom - client_rect.top;
+ to->mY = client_height - from.mY - 1;
+
+ return true;
+}
+
+bool LLWindowWin32::convertCoords(LLCoordScreen from, LLCoordWindow* to)
+{
+ POINT mouse_point;
+
+ mouse_point.x = from.mX;
+ mouse_point.y = from.mY;
+ bool result = ScreenToClient(mWindowHandle, &mouse_point);
+
+ if (result)
+ {
+ to->mX = mouse_point.x;
+ to->mY = mouse_point.y;
+ }
+
+ return result;
+}
+
+bool LLWindowWin32::convertCoords(LLCoordWindow from, LLCoordScreen *to)
+{
+ POINT mouse_point;
+
+ mouse_point.x = from.mX;
+ mouse_point.y = from.mY;
+ bool result = ClientToScreen(mWindowHandle, &mouse_point);
+
+ if (result)
+ {
+ to->mX = mouse_point.x;
+ to->mY = mouse_point.y;
+ }
+
+ return result;
+}
+
+bool LLWindowWin32::convertCoords(LLCoordScreen from, LLCoordGL *to)
+{
+ LLCoordWindow window_coord;
+
+ if (!mWindowHandle || (NULL == to))
+ {
+ return false;
+ }
+
+ convertCoords(from, &window_coord);
+ convertCoords(window_coord, to);
+ return true;
+}
+
+bool LLWindowWin32::convertCoords(LLCoordGL from, LLCoordScreen *to)
+{
+ LLCoordWindow window_coord;
+
+ if (!mWindowHandle || (NULL == to))
+ {
+ return false;
+ }
+
+ convertCoords(from, &window_coord);
+ convertCoords(window_coord, to);
+ return true;
+}
+
+
+bool LLWindowWin32::isClipboardTextAvailable()
+{
+ return IsClipboardFormatAvailable(CF_UNICODETEXT);
+}
+
+
+bool LLWindowWin32::pasteTextFromClipboard(LLWString &dst)
+{
+ bool success = false;
+
+ if (IsClipboardFormatAvailable(CF_UNICODETEXT))
+ {
+ if (OpenClipboard(mWindowHandle))
+ {
+ HGLOBAL h_data = GetClipboardData(CF_UNICODETEXT);
+ if (h_data)
+ {
+ WCHAR *utf16str = (WCHAR*) GlobalLock(h_data);
+ if (utf16str)
+ {
+ dst = utf16str_to_wstring(utf16str);
+ LLWStringUtil::removeWindowsCR(dst);
+ GlobalUnlock(h_data);
+ success = true;
+ }
+ }
+ CloseClipboard();
+ }
+ }
+
+ return success;
+}
+
+
+bool LLWindowWin32::copyTextToClipboard(const LLWString& wstr)
+{
+ bool success = false;
+
+ if (OpenClipboard(mWindowHandle))
+ {
+ EmptyClipboard();
+
+ // Provide a copy of the data in Unicode format.
+ LLWString sanitized_string(wstr);
+ LLWStringUtil::addCRLF(sanitized_string);
+ llutf16string out_utf16 = wstring_to_utf16str(sanitized_string);
+ const size_t size_utf16 = (out_utf16.length() + 1) * sizeof(WCHAR);
+
+ // Memory is allocated and then ownership of it is transfered to the system.
+ HGLOBAL hglobal_copy_utf16 = GlobalAlloc(GMEM_MOVEABLE, size_utf16);
+ if (hglobal_copy_utf16)
+ {
+ WCHAR* copy_utf16 = (WCHAR*) GlobalLock(hglobal_copy_utf16);
+ if (copy_utf16)
+ {
+ memcpy(copy_utf16, out_utf16.c_str(), size_utf16); /* Flawfinder: ignore */
+ GlobalUnlock(hglobal_copy_utf16);
+
+ if (SetClipboardData(CF_UNICODETEXT, hglobal_copy_utf16))
+ {
+ success = true;
+ }
+ }
+ }
+
+ CloseClipboard();
+ }
+
+ return success;
+}
+
+// Constrains the mouse to the window.
+void LLWindowWin32::setMouseClipping( bool b )
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32;
+ ASSERT_MAIN_THREAD();
+ if( b != mIsMouseClipping )
+ {
+ bool success = false;
+
+ if( b )
+ {
+ GetClipCursor( &mOldMouseClip );
+
+ RECT client_rect_in_screen_space;
+ if( getClientRectInScreenSpace( &client_rect_in_screen_space ) )
+ {
+ success = ClipCursor( &client_rect_in_screen_space );
+ }
+ }
+ else
+ {
+ // Must restore the old mouse clip, which may be set by another window.
+ success = ClipCursor( &mOldMouseClip );
+ SetRect( &mOldMouseClip, 0, 0, 0, 0 );
+ }
+
+ if( success )
+ {
+ mIsMouseClipping = b;
+ }
+ }
+}
+
+bool LLWindowWin32::getClientRectInScreenSpace( RECT* rectp )
+{
+ bool success = false;
+
+ RECT client_rect;
+ if (mWindowHandle && GetClientRect(mWindowHandle, &client_rect))
+ {
+ POINT top_left;
+ top_left.x = client_rect.left;
+ top_left.y = client_rect.top;
+ ClientToScreen(mWindowHandle, &top_left);
+
+ POINT bottom_right;
+ bottom_right.x = client_rect.right;
+ bottom_right.y = client_rect.bottom;
+ ClientToScreen(mWindowHandle, &bottom_right);
+
+ SetRect(rectp,
+ top_left.x,
+ top_left.y,
+ bottom_right.x,
+ bottom_right.y);
+
+ success = true;
+ }
+
+ return success;
+}
+
+void LLWindowWin32::flashIcon(F32 seconds)
+{
+ mWindowThread->post([=]()
+ {
+ FLASHWINFO flash_info;
+
+ flash_info.cbSize = sizeof(FLASHWINFO);
+ flash_info.hwnd = mWindowHandle;
+ flash_info.dwFlags = FLASHW_TRAY;
+ flash_info.uCount = UINT(seconds / ICON_FLASH_TIME);
+ flash_info.dwTimeout = DWORD(1000.f * ICON_FLASH_TIME); // milliseconds
+ FlashWindowEx(&flash_info);
+ });
+}
+
+F32 LLWindowWin32::getGamma()
+{
+ return mCurrentGamma;
+}
+
+bool LLWindowWin32::restoreGamma()
+{
+ ASSERT_MAIN_THREAD();
+ if (mCustomGammaSet)
+ {
+ LL_DEBUGS("Window") << "Restoring gamma" << LL_ENDL;
+ mCustomGammaSet = false;
+ return SetDeviceGammaRamp(mhDC, mPrevGammaRamp);
+ }
+ return true;
+}
+
+bool LLWindowWin32::setGamma(const F32 gamma)
+{
+ ASSERT_MAIN_THREAD();
+ mCurrentGamma = gamma;
+
+ //Get the previous gamma ramp to restore later.
+ if (!mCustomGammaSet)
+ {
+ if (!gGLManager.mIsIntel) // skip for Intel GPUs (see SL-11341)
+ {
+ LL_DEBUGS("Window") << "Getting the previous gamma ramp to restore later" << LL_ENDL;
+ if (!GetDeviceGammaRamp(mhDC, mPrevGammaRamp))
+ {
+ LL_WARNS("Window") << "Failed to get the previous gamma ramp" << LL_ENDL;
+ return false;
+ }
+ }
+ mCustomGammaSet = true;
+ }
+
+ LL_DEBUGS("Window") << "Setting gamma to " << gamma << LL_ENDL;
+
+ for ( int i = 0; i < 256; ++i )
+ {
+ int mult = 256 - ( int ) ( ( gamma - 1.0f ) * 128.0f );
+
+ int value = mult * i;
+
+ if ( value > 0xffff )
+ value = 0xffff;
+
+ mCurrentGammaRamp[0][i] =
+ mCurrentGammaRamp[1][i] =
+ mCurrentGammaRamp[2][i] = (WORD) value;
+ };
+
+ return SetDeviceGammaRamp ( mhDC, mCurrentGammaRamp );
+}
+
+void LLWindowWin32::setFSAASamples(const U32 fsaa_samples)
+{
+ ASSERT_MAIN_THREAD();
+ mFSAASamples = fsaa_samples;
+}
+
+U32 LLWindowWin32::getFSAASamples()
+{
+ return mFSAASamples;
+}
+
+LLWindow::LLWindowResolution* LLWindowWin32::getSupportedResolutions(S32 &num_resolutions)
+{
+ ASSERT_MAIN_THREAD();
+ if (!mSupportedResolutions)
+ {
+ mSupportedResolutions = new LLWindowResolution[MAX_NUM_RESOLUTIONS];
+ DEVMODE dev_mode;
+ ::ZeroMemory(&dev_mode, sizeof(DEVMODE));
+ dev_mode.dmSize = sizeof(DEVMODE);
+
+ mNumSupportedResolutions = 0;
+ for (S32 mode_num = 0; mNumSupportedResolutions < MAX_NUM_RESOLUTIONS; mode_num++)
+ {
+ if (!EnumDisplaySettings(NULL, mode_num, &dev_mode))
+ {
+ break;
+ }
+
+ if (dev_mode.dmBitsPerPel == BITS_PER_PIXEL &&
+ dev_mode.dmPelsWidth >= 800 &&
+ dev_mode.dmPelsHeight >= 600)
+ {
+ bool resolution_exists = false;
+ for(S32 i = 0; i < mNumSupportedResolutions; i++)
+ {
+ if (mSupportedResolutions[i].mWidth == dev_mode.dmPelsWidth &&
+ mSupportedResolutions[i].mHeight == dev_mode.dmPelsHeight)
+ {
+ resolution_exists = true;
+ }
+ }
+ if (!resolution_exists)
+ {
+ mSupportedResolutions[mNumSupportedResolutions].mWidth = dev_mode.dmPelsWidth;
+ mSupportedResolutions[mNumSupportedResolutions].mHeight = dev_mode.dmPelsHeight;
+ mNumSupportedResolutions++;
+ }
+ }
+ }
+ }
+
+ num_resolutions = mNumSupportedResolutions;
+ return mSupportedResolutions;
+}
+
+
+F32 LLWindowWin32::getNativeAspectRatio()
+{
+ if (mOverrideAspectRatio > 0.f)
+ {
+ return mOverrideAspectRatio;
+ }
+ else if (mNativeAspectRatio > 0.f)
+ {
+ // we grabbed this value at startup, based on the user's desktop settings
+ return mNativeAspectRatio;
+ }
+ // RN: this hack presumes that the largest supported resolution is monitor-limited
+ // and that pixels in that mode are square, therefore defining the native aspect ratio
+ // of the monitor...this seems to work to a close approximation for most CRTs/LCDs
+ S32 num_resolutions;
+ LLWindowResolution* resolutions = getSupportedResolutions(num_resolutions);
+
+ return ((F32)resolutions[num_resolutions - 1].mWidth / (F32)resolutions[num_resolutions - 1].mHeight);
+}
+
+F32 LLWindowWin32::getPixelAspectRatio()
+{
+ F32 pixel_aspect = 1.f;
+ if (getFullscreen())
+ {
+ LLCoordScreen screen_size;
+ getSize(&screen_size);
+ pixel_aspect = getNativeAspectRatio() * (F32)screen_size.mY / (F32)screen_size.mX;
+ }
+
+ return pixel_aspect;
+}
+
+// Change display resolution. Returns true if successful.
+// protected
+bool LLWindowWin32::setDisplayResolution(S32 width, S32 height, S32 bits, S32 refresh)
+{
+ DEVMODE dev_mode;
+ ::ZeroMemory(&dev_mode, sizeof(DEVMODE));
+ dev_mode.dmSize = sizeof(DEVMODE);
+ bool success = false;
+
+ // Don't change anything if we don't have to
+ if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dev_mode))
+ {
+ if (dev_mode.dmPelsWidth == width &&
+ dev_mode.dmPelsHeight == height &&
+ dev_mode.dmBitsPerPel == bits &&
+ dev_mode.dmDisplayFrequency == refresh )
+ {
+ // ...display mode identical, do nothing
+ return true;
+ }
+ }
+
+ memset(&dev_mode, 0, sizeof(dev_mode));
+ dev_mode.dmSize = sizeof(dev_mode);
+ dev_mode.dmPelsWidth = width;
+ dev_mode.dmPelsHeight = height;
+ dev_mode.dmBitsPerPel = bits;
+ dev_mode.dmDisplayFrequency = refresh;
+ dev_mode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
+
+ // CDS_FULLSCREEN indicates that this is a temporary change to the device mode.
+ LONG cds_result = ChangeDisplaySettings(&dev_mode, CDS_FULLSCREEN);
+
+ success = (DISP_CHANGE_SUCCESSFUL == cds_result);
+
+ if (!success)
+ {
+ LL_WARNS("Window") << "setDisplayResolution failed, "
+ << width << "x" << height << "x" << bits << " @ " << refresh << LL_ENDL;
+ }
+
+ return success;
+}
+
+// protected
+bool LLWindowWin32::setFullscreenResolution()
+{
+ if (mFullscreen)
+ {
+ return setDisplayResolution( mFullscreenWidth, mFullscreenHeight, mFullscreenBits, mFullscreenRefresh);
+ }
+ else
+ {
+ return false;
+ }
+}
+
+// protected
+bool LLWindowWin32::resetDisplayResolution()
+{
+ LL_DEBUGS("Window") << "resetDisplayResolution START" << LL_ENDL;
+
+ LONG cds_result = ChangeDisplaySettings(NULL, 0);
+
+ bool success = (DISP_CHANGE_SUCCESSFUL == cds_result);
+
+ if (!success)
+ {
+ LL_WARNS("Window") << "resetDisplayResolution failed" << LL_ENDL;
+ }
+
+ LL_DEBUGS("Window") << "resetDisplayResolution END" << LL_ENDL;
+
+ return success;
+}
+
+void LLWindowWin32::swapBuffers()
+{
+ {
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32;
+ SwapBuffers(mhDC);
+ }
+
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("GPU Collect");
+ LL_PROFILER_GPU_COLLECT;
+ }
+}
+
+
+//
+// LLSplashScreenImp
+//
+LLSplashScreenWin32::LLSplashScreenWin32()
+: mWindow(NULL)
+{
+}
+
+LLSplashScreenWin32::~LLSplashScreenWin32()
+{
+}
+
+void LLSplashScreenWin32::showImpl()
+{
+ // This appears to work. ???
+ HINSTANCE hinst = GetModuleHandle(NULL);
+
+ mWindow = CreateDialog(hinst,
+ TEXT("SPLASHSCREEN"),
+ NULL, // no parent
+ (DLGPROC) LLSplashScreenWin32::windowProc);
+ ShowWindow(mWindow, SW_SHOW);
+
+ // Should set taskbar text without creating a header for the window (caption)
+ SetWindowTextA(mWindow, "Second Life");
+}
+
+
+void LLSplashScreenWin32::updateImpl(const std::string& mesg)
+{
+ if (!mWindow) return;
+
+ int output_str_len = MultiByteToWideChar(CP_UTF8, 0, mesg.c_str(), mesg.length(), NULL, 0);
+ if( output_str_len>1024 )
+ return;
+
+ WCHAR w_mesg[1025];//big enought to keep null terminatos
+
+ MultiByteToWideChar (CP_UTF8, 0, mesg.c_str(), mesg.length(), w_mesg, output_str_len);
+
+ //looks like MultiByteToWideChar didn't add null terminator to converted string, see EXT-4858
+ w_mesg[output_str_len] = 0;
+
+ SendDlgItemMessage(mWindow,
+ 666, // HACK: text id
+ WM_SETTEXT,
+ FALSE,
+ (LPARAM)w_mesg);
+}
+
+
+void LLSplashScreenWin32::hideImpl()
+{
+ if (mWindow)
+ {
+ if (!destroy_window_handler(mWindow))
+ {
+ LL_WARNS("Window") << "Failed to properly close splash screen window!" << LL_ENDL;
+ }
+ mWindow = NULL;
+ }
+}
+
+
+// static
+LRESULT CALLBACK LLSplashScreenWin32::windowProc(HWND h_wnd, UINT u_msg,
+ WPARAM w_param, LPARAM l_param)
+{
+ // Just give it to windows
+ return DefWindowProc(h_wnd, u_msg, w_param, l_param);
+}
+
+//
+// Helper Funcs
+//
+
+S32 OSMessageBoxWin32(const std::string& text, const std::string& caption, U32 type)
+{
+ UINT uType;
+
+ switch(type)
+ {
+ case OSMB_OK:
+ uType = MB_OK;
+ break;
+ case OSMB_OKCANCEL:
+ uType = MB_OKCANCEL;
+ break;
+ case OSMB_YESNO:
+ uType = MB_YESNO;
+ break;
+ default:
+ uType = MB_OK;
+ break;
+ }
+
+ int retval_win = MessageBoxW(NULL, // HWND
+ ll_convert_string_to_wide(text).c_str(),
+ ll_convert_string_to_wide(caption).c_str(),
+ uType);
+ S32 retval;
+
+ switch(retval_win)
+ {
+ case IDYES:
+ retval = OSBTN_YES;
+ break;
+ case IDNO:
+ retval = OSBTN_NO;
+ break;
+ case IDOK:
+ retval = OSBTN_OK;
+ break;
+ case IDCANCEL:
+ retval = OSBTN_CANCEL;
+ break;
+ default:
+ retval = OSBTN_CANCEL;
+ break;
+ }
+
+ return retval;
+}
+
+
+void LLWindowWin32::spawnWebBrowser(const std::string& escaped_url, bool async)
+{
+ bool found = false;
+ S32 i;
+ for (i = 0; i < gURLProtocolWhitelistCount; i++)
+ {
+ if (escaped_url.find(gURLProtocolWhitelist[i]) == 0)
+ {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ {
+ LL_WARNS("Window") << "spawn_web_browser() called for url with protocol not on whitelist: " << escaped_url << LL_ENDL;
+ return;
+ }
+
+ LL_INFOS("Window") << "Opening URL " << escaped_url << LL_ENDL;
+
+ // replaced ShellExecute code with ShellExecuteEx since ShellExecute doesn't work
+ // reliablly on Vista.
+
+ // this is madness.. no, this is..
+ LLWString url_wstring = utf8str_to_wstring( escaped_url );
+ llutf16string url_utf16 = wstring_to_utf16str( url_wstring );
+
+ // let the OS decide what to use to open the URL
+ SHELLEXECUTEINFO sei = { sizeof( sei ) };
+ // NOTE: this assumes that SL will stick around long enough to complete the DDE message exchange
+ // necessary for ShellExecuteEx to complete
+ if (async)
+ {
+ sei.fMask = SEE_MASK_ASYNCOK;
+ }
+ sei.nShow = SW_SHOWNORMAL;
+ sei.lpVerb = L"open";
+ sei.lpFile = url_utf16.c_str();
+ ShellExecuteEx( &sei );
+}
+
+/*
+ Make the raw keyboard data available - used to poke through to LLQtWebKit so
+ that Qt/Webkit has access to the virtual keycodes etc. that it needs
+*/
+LLSD LLWindowWin32::getNativeKeyData()
+{
+ LLSD result = LLSD::emptyMap();
+
+ result["scan_code"] = (S32)mKeyScanCode;
+ result["virtual_key"] = (S32)mKeyVirtualKey;
+ result["msg"] = ll_sd_from_U32(mRawMsg);
+ result["w_param"] = ll_sd_from_U32(mRawWParam);
+ result["l_param"] = ll_sd_from_U32(mRawLParam);
+
+ return result;
+}
+
+bool LLWindowWin32::dialogColorPicker( F32 *r, F32 *g, F32 *b )
+{
+ bool retval = false;
+
+ static CHOOSECOLOR cc;
+ static COLORREF crCustColors[16];
+ cc.lStructSize = sizeof(CHOOSECOLOR);
+ cc.hwndOwner = mWindowHandle;
+ cc.hInstance = NULL;
+ cc.rgbResult = RGB ((*r * 255.f),(*g *255.f),(*b * 255.f));
+ //cc.rgbResult = RGB (0x80,0x80,0x80);
+ cc.lpCustColors = crCustColors;
+ cc.Flags = CC_RGBINIT | CC_FULLOPEN;
+ cc.lCustData = 0;
+ cc.lpfnHook = NULL;
+ cc.lpTemplateName = NULL;
+
+ // This call is modal, so pause agent
+ //send_agent_pause(); // this is in newview and we don't want to set up a dependency
+ {
+ retval = ChooseColor(&cc);
+ }
+ //send_agent_resume(); // this is in newview and we don't want to set up a dependency
+
+ *b = ((F32)((cc.rgbResult >> 16) & 0xff)) / 255.f;
+
+ *g = ((F32)((cc.rgbResult >> 8) & 0xff)) / 255.f;
+
+ *r = ((F32)(cc.rgbResult & 0xff)) / 255.f;
+
+ return (retval);
+}
+
+void *LLWindowWin32::getPlatformWindow()
+{
+ return (void*)mWindowHandle;
+}
+
+void LLWindowWin32::bringToFront()
+{
+ mWindowThread->post([=]()
+ {
+ BringWindowToTop(mWindowHandle);
+ });
+}
+
+// set (OS) window focus back to the client
+void LLWindowWin32::focusClient()
+{
+ mWindowThread->post([=]()
+ {
+ SetFocus(mWindowHandle);
+ });
+}
+
+void LLWindowWin32::allowLanguageTextInput(LLPreeditor *preeditor, bool b)
+{
+ if (b == sLanguageTextInputAllowed || !LLWinImm::isAvailable())
+ {
+ return;
+ }
+
+ if (preeditor != mPreeditor && !b)
+ {
+ // This condition may occur with a call to
+ // setEnabled(bool) from LLTextEditor or LLLineEditor
+ // when the control is not focused.
+ // We need to silently ignore the case so that
+ // the language input status of the focused control
+ // is not disturbed.
+ return;
+ }
+
+ // Take care of old and new preeditors.
+ if (preeditor != mPreeditor || !b)
+ {
+ if (sLanguageTextInputAllowed)
+ {
+ interruptLanguageTextInput();
+ }
+ mPreeditor = (b ? preeditor : NULL);
+ }
+
+ sLanguageTextInputAllowed = b;
+
+ if (sLanguageTextInputAllowed)
+ {
+ mWindowThread->post([=]()
+ {
+ // Allowing: Restore the previous IME status, so that the user has a feeling that the previous
+ // text input continues naturally. Be careful, however, the IME status is meaningful only during the user keeps
+ // using same Input Locale (aka Keyboard Layout).
+ if (sWinIMEOpened && GetKeyboardLayout(0) == sWinInputLocale)
+ {
+ HIMC himc = LLWinImm::getContext(mWindowHandle);
+ LLWinImm::setOpenStatus(himc, true);
+ LLWinImm::setConversionStatus(himc, sWinIMEConversionMode, sWinIMESentenceMode);
+ LLWinImm::releaseContext(mWindowHandle, himc);
+ }
+ });
+ }
+ else
+ {
+ mWindowThread->post([=]()
+ {
+ // Disallowing: Turn off the IME so that succeeding key events bypass IME and come to us directly.
+ // However, do it after saving the current IME status. We need to restore the status when
+ // allowing language text input again.
+ sWinInputLocale = GetKeyboardLayout(0);
+ sWinIMEOpened = LLWinImm::isIME(sWinInputLocale);
+ if (sWinIMEOpened)
+ {
+ HIMC himc = LLWinImm::getContext(mWindowHandle);
+ sWinIMEOpened = LLWinImm::getOpenStatus(himc);
+ if (sWinIMEOpened)
+ {
+ LLWinImm::getConversionStatus(himc, &sWinIMEConversionMode, &sWinIMESentenceMode);
+
+ // We need both ImmSetConversionStatus and ImmSetOpenStatus here to surely disable IME's
+ // keyboard hooking, because Some IME reacts only on the former and some other on the latter...
+ LLWinImm::setConversionStatus(himc, IME_CMODE_NOCONVERSION, sWinIMESentenceMode);
+ LLWinImm::setOpenStatus(himc, false);
+ }
+ LLWinImm::releaseContext(mWindowHandle, himc);
+ }
+ });
+ }
+}
+
+void LLWindowWin32::fillCandidateForm(const LLCoordGL& caret, const LLRect& bounds,
+ CANDIDATEFORM *form)
+{
+ LLCoordWindow caret_coord, top_left, bottom_right;
+ convertCoords(caret, &caret_coord);
+ convertCoords(LLCoordGL(bounds.mLeft, bounds.mTop), &top_left);
+ convertCoords(LLCoordGL(bounds.mRight, bounds.mBottom), &bottom_right);
+
+ memset(form, 0, sizeof(CANDIDATEFORM));
+ form->dwStyle = CFS_EXCLUDE;
+ form->ptCurrentPos.x = caret_coord.mX;
+ form->ptCurrentPos.y = caret_coord.mY;
+ form->rcArea.left = top_left.mX;
+ form->rcArea.top = top_left.mY;
+ form->rcArea.right = bottom_right.mX;
+ form->rcArea.bottom = bottom_right.mY;
+}
+
+
+// Put the IME window at the right place (near current text input). Point coordinates should be the top of the current text line.
+void LLWindowWin32::setLanguageTextInput( const LLCoordGL & position )
+{
+ if (sLanguageTextInputAllowed && LLWinImm::isAvailable())
+ {
+ HIMC himc = LLWinImm::getContext(mWindowHandle);
+
+ LLCoordWindow win_pos;
+ convertCoords( position, &win_pos );
+
+ if ( win_pos.mX >= 0 && win_pos.mY >= 0 &&
+ (win_pos.mX != sWinIMEWindowPosition.mX) || (win_pos.mY != sWinIMEWindowPosition.mY) )
+ {
+ COMPOSITIONFORM ime_form;
+ memset( &ime_form, 0, sizeof(ime_form) );
+ ime_form.dwStyle = CFS_POINT;
+ ime_form.ptCurrentPos.x = win_pos.mX;
+ ime_form.ptCurrentPos.y = win_pos.mY;
+
+ LLWinImm::setCompositionWindow( himc, &ime_form );
+
+ sWinIMEWindowPosition = win_pos;
+ }
+
+ LLWinImm::releaseContext(mWindowHandle, himc);
+ }
+}
+
+
+void LLWindowWin32::fillCharPosition(const LLCoordGL& caret, const LLRect& bounds, const LLRect& control,
+ IMECHARPOSITION *char_position)
+{
+ LLCoordScreen caret_coord, top_left, bottom_right;
+ convertCoords(caret, &caret_coord);
+ convertCoords(LLCoordGL(bounds.mLeft, bounds.mTop), &top_left);
+ convertCoords(LLCoordGL(bounds.mRight, bounds.mBottom), &bottom_right);
+
+ char_position->pt.x = caret_coord.mX;
+ char_position->pt.y = top_left.mY; // Windows wants the coordinate of upper left corner of a character...
+ char_position->cLineHeight = bottom_right.mY - top_left.mY;
+ char_position->rcDocument.left = top_left.mX;
+ char_position->rcDocument.top = top_left.mY;
+ char_position->rcDocument.right = bottom_right.mX;
+ char_position->rcDocument.bottom = bottom_right.mY;
+}
+
+void LLWindowWin32::fillCompositionLogfont(LOGFONT *logfont)
+{
+ // Our font is a list of FreeType recognized font files that may
+ // not have a corresponding ones in Windows' fonts. Hence, we
+ // can't simply tell Windows which font we are using. We will
+ // notify a _standard_ font for a current input locale instead.
+ // We use a hard-coded knowledge about the Windows' standard
+ // configuration to do so...
+
+ memset(logfont, 0, sizeof(LOGFONT));
+
+ const WORD lang_id = LOWORD(GetKeyboardLayout(0));
+ switch (PRIMARYLANGID(lang_id))
+ {
+ case LANG_CHINESE:
+ // We need to identify one of two Chinese fonts.
+ switch (SUBLANGID(lang_id))
+ {
+ case SUBLANG_CHINESE_SIMPLIFIED:
+ case SUBLANG_CHINESE_SINGAPORE:
+ logfont->lfCharSet = GB2312_CHARSET;
+ lstrcpy(logfont->lfFaceName, TEXT("SimHei"));
+ break;
+ case SUBLANG_CHINESE_TRADITIONAL:
+ case SUBLANG_CHINESE_HONGKONG:
+ case SUBLANG_CHINESE_MACAU:
+ default:
+ logfont->lfCharSet = CHINESEBIG5_CHARSET;
+ lstrcpy(logfont->lfFaceName, TEXT("MingLiU"));
+ break;
+ }
+ break;
+ case LANG_JAPANESE:
+ logfont->lfCharSet = SHIFTJIS_CHARSET;
+ lstrcpy(logfont->lfFaceName, TEXT("MS Gothic"));
+ break;
+ case LANG_KOREAN:
+ logfont->lfCharSet = HANGUL_CHARSET;
+ lstrcpy(logfont->lfFaceName, TEXT("Gulim"));
+ break;
+ default:
+ logfont->lfCharSet = ANSI_CHARSET;
+ lstrcpy(logfont->lfFaceName, TEXT("Tahoma"));
+ break;
+ }
+
+ logfont->lfHeight = mPreeditor->getPreeditFontSize();
+ logfont->lfWeight = FW_NORMAL;
+}
+
+U32 LLWindowWin32::fillReconvertString(const LLWString &text,
+ S32 focus, S32 focus_length, RECONVERTSTRING *reconvert_string)
+{
+ const llutf16string text_utf16 = wstring_to_utf16str(text);
+ const DWORD required_size = sizeof(RECONVERTSTRING) + (text_utf16.length() + 1) * sizeof(WCHAR);
+ if (reconvert_string && reconvert_string->dwSize >= required_size)
+ {
+ const DWORD focus_utf16_at = wstring_utf16_length(text, 0, focus);
+ const DWORD focus_utf16_length = wstring_utf16_length(text, focus, focus_length);
+
+ reconvert_string->dwVersion = 0;
+ reconvert_string->dwStrLen = text_utf16.length();
+ reconvert_string->dwStrOffset = sizeof(RECONVERTSTRING);
+ reconvert_string->dwCompStrLen = focus_utf16_length;
+ reconvert_string->dwCompStrOffset = focus_utf16_at * sizeof(WCHAR);
+ reconvert_string->dwTargetStrLen = 0;
+ reconvert_string->dwTargetStrOffset = focus_utf16_at * sizeof(WCHAR);
+
+ const LPWSTR text = (LPWSTR)((BYTE *)reconvert_string + sizeof(RECONVERTSTRING));
+ memcpy(text, text_utf16.c_str(), (text_utf16.length() + 1) * sizeof(WCHAR));
+ }
+ return required_size;
+}
+
+void LLWindowWin32::updateLanguageTextInputArea()
+{
+ if (!mPreeditor || !LLWinImm::isAvailable())
+ {
+ return;
+ }
+
+ LLCoordGL caret_coord;
+ LLRect preedit_bounds;
+ if (mPreeditor->getPreeditLocation(-1, &caret_coord, &preedit_bounds, NULL))
+ {
+ mLanguageTextInputPointGL = caret_coord;
+ mLanguageTextInputAreaGL = preedit_bounds;
+
+ CANDIDATEFORM candidate_form;
+ fillCandidateForm(caret_coord, preedit_bounds, &candidate_form);
+
+ HIMC himc = LLWinImm::getContext(mWindowHandle);
+ // Win32 document says there may be up to 4 candidate windows.
+ // This magic number 4 appears only in the document, and
+ // there are no constant/macro for the value...
+ for (int i = 3; i >= 0; --i)
+ {
+ candidate_form.dwIndex = i;
+ LLWinImm::setCandidateWindow(himc, &candidate_form);
+ }
+ LLWinImm::releaseContext(mWindowHandle, himc);
+ }
+}
+
+void LLWindowWin32::interruptLanguageTextInput()
+{
+ ASSERT_MAIN_THREAD();
+ if (mPreeditor && LLWinImm::isAvailable())
+ {
+ HIMC himc = LLWinImm::getContext(mWindowHandle);
+ LLWinImm::notifyIME(himc, NI_COMPOSITIONSTR, CPS_COMPLETE, 0);
+ LLWinImm::releaseContext(mWindowHandle, himc);
+ }
+}
+
+void LLWindowWin32::handleStartCompositionMessage()
+{
+ // Let IME know the font to use in feedback UI.
+ LOGFONT logfont;
+ fillCompositionLogfont(&logfont);
+ HIMC himc = LLWinImm::getContext(mWindowHandle);
+ LLWinImm::setCompositionFont(himc, &logfont);
+ LLWinImm::releaseContext(mWindowHandle, himc);
+}
+
+// Handle WM_IME_COMPOSITION message.
+
+void LLWindowWin32::handleCompositionMessage(const U32 indexes)
+{
+ if (!mPreeditor)
+ {
+ return;
+ }
+ bool needs_update = false;
+ LLWString result_string;
+ LLWString preedit_string;
+ S32 preedit_string_utf16_length = 0;
+ LLPreeditor::segment_lengths_t preedit_segment_lengths;
+ LLPreeditor::standouts_t preedit_standouts;
+
+ // Step I: Receive details of preedits from IME.
+
+ HIMC himc = LLWinImm::getContext(mWindowHandle);
+
+ if (indexes & GCS_RESULTSTR)
+ {
+ LONG size = LLWinImm::getCompositionString(himc, GCS_RESULTSTR, NULL, 0);
+ if (size >= 0)
+ {
+ const LPWSTR data = new WCHAR[size / sizeof(WCHAR) + 1];
+ size = LLWinImm::getCompositionString(himc, GCS_RESULTSTR, data, size);
+ if (size > 0)
+ {
+ result_string = utf16str_to_wstring(llutf16string(data, size / sizeof(WCHAR)));
+ }
+ delete[] data;
+ needs_update = true;
+ }
+ }
+
+ if (indexes & GCS_COMPSTR)
+ {
+ LONG size = LLWinImm::getCompositionString(himc, GCS_COMPSTR, NULL, 0);
+ if (size >= 0)
+ {
+ const LPWSTR data = new WCHAR[size / sizeof(WCHAR) + 1];
+ size = LLWinImm::getCompositionString(himc, GCS_COMPSTR, data, size);
+ if (size > 0)
+ {
+ preedit_string_utf16_length = size / sizeof(WCHAR);
+ preedit_string = utf16str_to_wstring(llutf16string(data, size / sizeof(WCHAR)));
+ }
+ delete[] data;
+ needs_update = true;
+ }
+ }
+
+ if ((indexes & GCS_COMPCLAUSE) && preedit_string.length() > 0)
+ {
+ LONG size = LLWinImm::getCompositionString(himc, GCS_COMPCLAUSE, NULL, 0);
+ if (size > 0)
+ {
+ const LPDWORD data = new DWORD[size / sizeof(DWORD)];
+ size = LLWinImm::getCompositionString(himc, GCS_COMPCLAUSE, data, size);
+ if (size >= sizeof(DWORD) * 2
+ && data[0] == 0 && data[size / sizeof(DWORD) - 1] == preedit_string_utf16_length)
+ {
+ preedit_segment_lengths.resize(size / sizeof(DWORD) - 1);
+ S32 offset = 0;
+ for (U32 i = 0; i < preedit_segment_lengths.size(); i++)
+ {
+ const S32 length = wstring_wstring_length_from_utf16_length(preedit_string, offset, data[i + 1] - data[i]);
+ preedit_segment_lengths[i] = length;
+ offset += length;
+ }
+ }
+ delete[] data;
+ }
+ }
+
+ if ((indexes & GCS_COMPATTR) && preedit_segment_lengths.size() > 1)
+ {
+ LONG size = LLWinImm::getCompositionString(himc, GCS_COMPATTR, NULL, 0);
+ if (size > 0)
+ {
+ const LPBYTE data = new BYTE[size / sizeof(BYTE)];
+ size = LLWinImm::getCompositionString(himc, GCS_COMPATTR, data, size);
+ if (size == preedit_string_utf16_length)
+ {
+ preedit_standouts.assign(preedit_segment_lengths.size(), false);
+ S32 offset = 0;
+ for (U32 i = 0; i < preedit_segment_lengths.size(); i++)
+ {
+ if (ATTR_TARGET_CONVERTED == data[offset] || ATTR_TARGET_NOTCONVERTED == data[offset])
+ {
+ preedit_standouts[i] = true;
+ }
+ offset += wstring_utf16_length(preedit_string, offset, preedit_segment_lengths[i]);
+ }
+ }
+ delete[] data;
+ }
+ }
+
+ S32 caret_position = preedit_string.length();
+ if (indexes & GCS_CURSORPOS)
+ {
+ const S32 caret_position_utf16 = LLWinImm::getCompositionString(himc, GCS_CURSORPOS, NULL, 0);
+ if (caret_position_utf16 >= 0 && caret_position <= preedit_string_utf16_length)
+ {
+ caret_position = wstring_wstring_length_from_utf16_length(preedit_string, 0, caret_position_utf16);
+ }
+ }
+
+ if (indexes == 0)
+ {
+ // I'm not sure this condition really happens, but
+ // Windows SDK document says it is an indication
+ // of "reset everything."
+ needs_update = true;
+ }
+
+ LLWinImm::releaseContext(mWindowHandle, himc);
+
+ // Step II: Update the active preeditor.
+
+ if (needs_update)
+ {
+ if (preedit_string.length() != 0 || result_string.length() != 0)
+ {
+ mPreeditor->resetPreedit();
+ }
+
+ if (result_string.length() > 0)
+ {
+ for (LLWString::const_iterator i = result_string.begin(); i != result_string.end(); i++)
+ {
+ mPreeditor->handleUnicodeCharHere(*i);
+ }
+ }
+
+ if (preedit_string.length() == 0)
+ {
+ preedit_segment_lengths.clear();
+ preedit_standouts.clear();
+ }
+ else
+ {
+ if (preedit_segment_lengths.size() == 0)
+ {
+ preedit_segment_lengths.assign(1, preedit_string.length());
+ }
+ if (preedit_standouts.size() == 0)
+ {
+ preedit_standouts.assign(preedit_segment_lengths.size(), false);
+ }
+ }
+ mPreeditor->updatePreedit(preedit_string, preedit_segment_lengths, preedit_standouts, caret_position);
+
+ // Some IME doesn't query char position after WM_IME_COMPOSITION,
+ // so we need to update them actively.
+ updateLanguageTextInputArea();
+ }
+}
+
+// Given a text and a focus range, find_context finds and returns a
+// surrounding context of the focused subtext. A variable pointed
+// to by offset receives the offset in llwchars of the beginning of
+// the returned context string in the given wtext.
+
+static LLWString find_context(const LLWString & wtext, S32 focus, S32 focus_length, S32 *offset)
+{
+ static const S32 CONTEXT_EXCESS = 30; // This value is by experiences.
+
+ const S32 e = llmin((S32) wtext.length(), focus + focus_length + CONTEXT_EXCESS);
+ S32 end = focus + focus_length;
+ while (end < e && '\n' != wtext[end])
+ {
+ end++;
+ }
+
+ const S32 s = llmax(0, focus - CONTEXT_EXCESS);
+ S32 start = focus;
+ while (start > s && '\n' != wtext[start - 1])
+ {
+ --start;
+ }
+
+ *offset = start;
+ return wtext.substr(start, end - start);
+}
+
+// final stage of handling drop requests - both from WM_DROPFILES message
+// for files and via IDropTarget interface requests.
+LLWindowCallbacks::DragNDropResult LLWindowWin32::completeDragNDropRequest( const LLCoordGL gl_coord, const MASK mask, LLWindowCallbacks::DragNDropAction action, const std::string url )
+{
+ ASSERT_MAIN_THREAD();
+ return mCallbacks->handleDragNDrop( this, gl_coord, mask, action, url );
+}
+
+// Handle WM_IME_REQUEST message.
+// If it handled the message, returns true. Otherwise, false.
+// When it handled the message, the value to be returned from
+// the Window Procedure is set to *result.
+
+bool LLWindowWin32::handleImeRequests(WPARAM request, LPARAM param, LRESULT *result)
+{
+ if ( mPreeditor )
+ {
+ switch (request)
+ {
+ case IMR_CANDIDATEWINDOW: // http://msdn2.microsoft.com/en-us/library/ms776080.aspx
+ {
+ LLCoordGL caret_coord;
+ LLRect preedit_bounds;
+ mPreeditor->getPreeditLocation(-1, &caret_coord, &preedit_bounds, NULL);
+
+ CANDIDATEFORM *const form = (CANDIDATEFORM *)param;
+ DWORD const dwIndex = form->dwIndex;
+ fillCandidateForm(caret_coord, preedit_bounds, form);
+ form->dwIndex = dwIndex;
+
+ *result = 1;
+ return true;
+ }
+ case IMR_QUERYCHARPOSITION:
+ {
+ IMECHARPOSITION *const char_position = (IMECHARPOSITION *)param;
+
+ // char_position->dwCharPos counts in number of
+ // WCHARs, i.e., UTF-16 encoding units, so we can't simply pass the
+ // number to getPreeditLocation.
+
+ const LLWString & wtext = mPreeditor->getPreeditString();
+ S32 preedit, preedit_length;
+ mPreeditor->getPreeditRange(&preedit, &preedit_length);
+ LLCoordGL caret_coord;
+ LLRect preedit_bounds, text_control;
+ const S32 position = wstring_wstring_length_from_utf16_length(wtext, preedit, char_position->dwCharPos);
+
+ if (!mPreeditor->getPreeditLocation(position, &caret_coord, &preedit_bounds, &text_control))
+ {
+ LL_WARNS("Window") << "*** IMR_QUERYCHARPOSITON called but getPreeditLocation failed." << LL_ENDL;
+ return false;
+ }
+
+ fillCharPosition(caret_coord, preedit_bounds, text_control, char_position);
+
+ *result = 1;
+ return true;
+ }
+ case IMR_COMPOSITIONFONT:
+ {
+ fillCompositionLogfont((LOGFONT *)param);
+
+ *result = 1;
+ return true;
+ }
+ case IMR_RECONVERTSTRING:
+ {
+ mPreeditor->resetPreedit();
+ const LLWString & wtext = mPreeditor->getPreeditString();
+ S32 select, select_length;
+ mPreeditor->getSelectionRange(&select, &select_length);
+
+ S32 context_offset;
+ const LLWString context = find_context(wtext, select, select_length, &context_offset);
+
+ RECONVERTSTRING * const reconvert_string = (RECONVERTSTRING *)param;
+ const U32 size = fillReconvertString(context, select - context_offset, select_length, reconvert_string);
+ if (reconvert_string)
+ {
+ if (select_length == 0)
+ {
+ // Let the IME to decide the reconversion range, and
+ // adjust the reconvert_string structure accordingly.
+ HIMC himc = LLWinImm::getContext(mWindowHandle);
+ const bool adjusted = LLWinImm::setCompositionString(himc,
+ SCS_QUERYRECONVERTSTRING, reconvert_string, size, NULL, 0);
+ LLWinImm::releaseContext(mWindowHandle, himc);
+ if (adjusted)
+ {
+ const llutf16string & text_utf16 = wstring_to_utf16str(context);
+ const S32 new_preedit_start = reconvert_string->dwCompStrOffset / sizeof(WCHAR);
+ const S32 new_preedit_end = new_preedit_start + reconvert_string->dwCompStrLen;
+ select = utf16str_wstring_length(text_utf16, new_preedit_start);
+ select_length = utf16str_wstring_length(text_utf16, new_preedit_end) - select;
+ select += context_offset;
+ }
+ }
+ mPreeditor->markAsPreedit(select, select_length);
+ }
+
+ *result = size;
+ return true;
+ }
+ case IMR_CONFIRMRECONVERTSTRING:
+ {
+ *result = 0;
+ return true;
+ }
+ case IMR_DOCUMENTFEED:
+ {
+ const LLWString & wtext = mPreeditor->getPreeditString();
+ S32 preedit, preedit_length;
+ mPreeditor->getPreeditRange(&preedit, &preedit_length);
+
+ S32 context_offset;
+ LLWString context = find_context(wtext, preedit, preedit_length, &context_offset);
+ preedit -= context_offset;
+ preedit_length = llmin(preedit_length, (S32)context.length() - preedit);
+ if (preedit_length > 0 && preedit >= 0)
+ {
+ // IMR_DOCUMENTFEED may be called when we have an active preedit.
+ // We should pass the context string *excluding* the preedit string.
+ // Otherwise, some IME are confused.
+ context.erase(preedit, preedit_length);
+ }
+
+ RECONVERTSTRING *reconvert_string = (RECONVERTSTRING *)param;
+ *result = fillReconvertString(context, preedit, 0, reconvert_string);
+ return true;
+ }
+ default:
+ return false;
+ }
+ }
+
+ return false;
+}
+
+//static
+void LLWindowWin32::setDPIAwareness()
+{
+ HMODULE hShcore = LoadLibrary(L"shcore.dll");
+ if (hShcore != NULL)
+ {
+ SetProcessDpiAwarenessType pSPDA;
+ pSPDA = (SetProcessDpiAwarenessType)GetProcAddress(hShcore, "SetProcessDpiAwareness");
+ if (pSPDA)
+ {
+
+ HRESULT hr = pSPDA(PROCESS_PER_MONITOR_DPI_AWARE);
+ if (hr != S_OK)
+ {
+ LL_WARNS() << "SetProcessDpiAwareness() function returned an error. Will use legacy DPI awareness API of Win XP/7" << LL_ENDL;
+ }
+ }
+ FreeLibrary(hShcore);
+ }
+ else
+ {
+ LL_WARNS() << "Could not load shcore.dll library (included by <ShellScalingAPI.h> from Win 8.1 SDK. Will use legacy DPI awareness API of Win XP/7" << LL_ENDL;
+ }
+}
+
+void* LLWindowWin32::getDirectInput8()
+{
+ return &gDirectInput8;
+}
+
+bool LLWindowWin32::getInputDevices(U32 device_type_filter,
+ std::function<bool(std::string&, LLSD&, void*)> osx_callback,
+ void * di8_devices_callback,
+ void* userdata)
+{
+ if (gDirectInput8 != NULL)
+ {
+ // Enumerate devices
+ HRESULT status = gDirectInput8->EnumDevices(
+ (DWORD) device_type_filter, // DWORD dwDevType,
+ (LPDIENUMDEVICESCALLBACK)di8_devices_callback, // LPDIENUMDEVICESCALLBACK lpCallback, // BOOL DIEnumDevicesCallback( LPCDIDEVICEINSTANCE lpddi, LPVOID pvRef ) // BOOL CALLBACK DinputDevice::DevicesCallback
+ (LPVOID*)userdata, // LPVOID pvRef
+ DIEDFL_ATTACHEDONLY // DWORD dwFlags
+ );
+
+ return status == DI_OK;
+ }
+ return false;
+}
+
+F32 LLWindowWin32::getSystemUISize()
+{
+ F32 scale_value = 1.f;
+ HWND hWnd = (HWND)getPlatformWindow();
+ HDC hdc = GetDC(hWnd);
+ HMONITOR hMonitor;
+ HANDLE hProcess = GetCurrentProcess();
+ PROCESS_DPI_AWARENESS dpi_awareness;
+
+ HMODULE hShcore = LoadLibrary(L"shcore.dll");
+
+ if (hShcore != NULL)
+ {
+ GetProcessDpiAwarenessType pGPDA;
+ pGPDA = (GetProcessDpiAwarenessType)GetProcAddress(hShcore, "GetProcessDpiAwareness");
+ GetDpiForMonitorType pGDFM;
+ pGDFM = (GetDpiForMonitorType)GetProcAddress(hShcore, "GetDpiForMonitor");
+ if (pGPDA != NULL && pGDFM != NULL)
+ {
+ pGPDA(hProcess, &dpi_awareness);
+ if (dpi_awareness == PROCESS_PER_MONITOR_DPI_AWARE)
+ {
+ POINT pt;
+ UINT dpix = 0, dpiy = 0;
+ HRESULT hr = E_FAIL;
+ RECT rect;
+
+ GetWindowRect(hWnd, &rect);
+ // Get the DPI for the monitor, on which the center of window is displayed and set the scaling factor
+ pt.x = (rect.left + rect.right) / 2;
+ pt.y = (rect.top + rect.bottom) / 2;
+ hMonitor = MonitorFromPoint(pt, MONITOR_DEFAULTTONEAREST);
+ hr = pGDFM(hMonitor, MDT_EFFECTIVE_DPI, &dpix, &dpiy);
+ if (hr == S_OK)
+ {
+ scale_value = F32(dpix) / F32(USER_DEFAULT_SCREEN_DPI);
+ }
+ else
+ {
+ LL_WARNS() << "Could not determine DPI for monitor. Setting scale to default 100 %" << LL_ENDL;
+ scale_value = 1.0f;
+ }
+ }
+ else
+ {
+ LL_WARNS() << "Process is not per-monitor DPI-aware. Setting scale to default 100 %" << LL_ENDL;
+ scale_value = 1.0f;
+ }
+ }
+ FreeLibrary(hShcore);
+ }
+ else
+ {
+ LL_WARNS() << "Could not load shcore.dll library (included by <ShellScalingAPI.h> from Win 8.1 SDK). Using legacy DPI awareness API of Win XP/7" << LL_ENDL;
+ scale_value = F32(GetDeviceCaps(hdc, LOGPIXELSX)) / F32(USER_DEFAULT_SCREEN_DPI);
+ }
+
+ ReleaseDC(hWnd, hdc);
+ return scale_value;
+}
+
+//static
+std::vector<std::string> LLWindowWin32::getDisplaysResolutionList()
+{
+ return sMonitorInfo.getResolutionsList();
+}
+
+//static
+std::vector<std::string> LLWindowWin32::getDynamicFallbackFontList()
+{
+ // Fonts previously in getFontListSans() have moved to fonts.xml.
+ return std::vector<std::string>();
+}
+
+void LLWindowWin32::setMaxVRAMMegabytes(U32 max_vram)
+{
+ if (mWindowThread)
+ {
+ mWindowThread->mMaxVRAM = max_vram;
+ }
+}
+
+#endif // LL_WINDOWS
+
+inline LLWindowWin32::LLWindowWin32Thread::LLWindowWin32Thread()
+ : LL::ThreadPool("Window Thread", 1, MAX_QUEUE_SIZE, true /*should be false, temporary workaround for SL-18721*/)
+{
+ LL::ThreadPool::start();
+}
+
+void LLWindowWin32::LLWindowWin32Thread::close()
+{
+ if (!mQueue->isClosed())
+ {
+ LL_WARNS() << "Closing window thread without using destroy_window_handler" << LL_ENDL;
+ LL::ThreadPool::close();
+
+ // Workaround for SL-18721 in case window closes too early and abruptly
+ LLSplashScreen::show();
+ LLSplashScreen::update("..."); // will be updated later
+ }
+}
+
+
+/**
+ * LogChange is to log changes in status while trying to avoid spamming the
+ * log with repeated messages, especially in a tight loop. It refuses to log
+ * a continuous run of identical messages, but logs every time the message
+ * changes. (It will happily spam when messages quickly bounce back and
+ * forth.)
+ */
+class LogChange
+{
+public:
+ LogChange(const std::string& tag):
+ mTag(tag)
+ {}
+
+ template <typename... Items>
+ void always(Items&&... items)
+ {
+ // This odd construct ensures that the stringize() call is only
+ // executed if DEBUG logging is enabled for the passed tag.
+ LL_DEBUGS(mTag.c_str());
+ log(LL_CONT, stringize(std::forward<Items>(items)...));
+ LL_ENDL;
+ }
+
+ template <typename... Items>
+ void onChange(Items&&... items)
+ {
+ LL_DEBUGS(mTag.c_str());
+ auto str = stringize(std::forward<Items>(items)...);
+ if (str != mPrev)
+ {
+ log(LL_CONT, str);
+ }
+ LL_ENDL;
+ }
+
+private:
+ void log(std::ostream& out, const std::string& message)
+ {
+ mPrev = message;
+ out << message;
+ }
+ std::string mTag;
+ std::string mPrev;
+};
+
+// Print hardware debug info about available graphics adapters in ordinal order
+void debugEnumerateGraphicsAdapters()
+{
+ LL_INFOS("Window") << "Enumerating graphics adapters..." << LL_ENDL;
+
+ IDXGIFactory1* factory;
+ HRESULT res = CreateDXGIFactory1(__uuidof(IDXGIFactory1), (void**)&factory);
+ if (FAILED(res) || !factory)
+ {
+ LL_WARNS() << "CreateDXGIFactory1 failed: 0x" << std::hex << res << LL_ENDL;
+ }
+ else
+ {
+ UINT graphics_adapter_index = 0;
+ IDXGIAdapter3* dxgi_adapter;
+ while (true)
+ {
+ res = factory->EnumAdapters(graphics_adapter_index, reinterpret_cast<IDXGIAdapter**>(&dxgi_adapter));
+ if (FAILED(res))
+ {
+ if (graphics_adapter_index == 0)
+ {
+ LL_WARNS() << "EnumAdapters failed: 0x" << std::hex << res << LL_ENDL;
+ }
+ else
+ {
+ LL_INFOS("Window") << "Done enumerating graphics adapters" << LL_ENDL;
+ }
+ }
+ else
+ {
+ DXGI_ADAPTER_DESC desc;
+ dxgi_adapter->GetDesc(&desc);
+ std::wstring description_w((wchar_t*)desc.Description);
+ std::string description(description_w.begin(), description_w.end());
+ LL_INFOS("Window") << "Graphics adapter index: " << graphics_adapter_index << ", "
+ << "Description: " << description << ", "
+ << "DeviceId: " << desc.DeviceId << ", "
+ << "SubSysId: " << desc.SubSysId << ", "
+ << "AdapterLuid: " << desc.AdapterLuid.HighPart << "_" << desc.AdapterLuid.LowPart << ", "
+ << "DedicatedVideoMemory: " << desc.DedicatedVideoMemory / 1024 / 1024 << ", "
+ << "DedicatedSystemMemory: " << desc.DedicatedSystemMemory / 1024 / 1024 << ", "
+ << "SharedSystemMemory: " << desc.SharedSystemMemory / 1024 / 1024 << LL_ENDL;
+ }
+
+ if (dxgi_adapter)
+ {
+ dxgi_adapter->Release();
+ dxgi_adapter = NULL;
+ }
+ else
+ {
+ break;
+ }
+
+ graphics_adapter_index++;
+ }
+ }
+
+ if (factory)
+ {
+ factory->Release();
+ }
+}
+
+void LLWindowWin32::LLWindowWin32Thread::initDX()
+{
+ if (!mGLReady) { return; }
+
+ if (mDXGIAdapter == NULL)
+ {
+ debugEnumerateGraphicsAdapters();
+
+ IDXGIFactory4* pFactory = nullptr;
+
+ HRESULT res = CreateDXGIFactory1(__uuidof(IDXGIFactory4), (void**)&pFactory);
+
+ if (FAILED(res))
+ {
+ LL_WARNS() << "CreateDXGIFactory1 failed: 0x" << std::hex << res << LL_ENDL;
+ }
+ else
+ {
+ res = pFactory->EnumAdapters(0, reinterpret_cast<IDXGIAdapter**>(&mDXGIAdapter));
+ if (FAILED(res))
+ {
+ LL_WARNS() << "EnumAdapters failed: 0x" << std::hex << res << LL_ENDL;
+ }
+ else
+ {
+ LL_INFOS() << "EnumAdapters success" << LL_ENDL;
+ }
+ }
+
+ if (pFactory)
+ {
+ pFactory->Release();
+ }
+ }
+}
+
+void LLWindowWin32::LLWindowWin32Thread::initD3D()
+{
+ if (!mGLReady) { return; }
+
+ if (mDXGIAdapter == NULL && mD3DDevice == NULL && mWindowHandleThrd != 0)
+ {
+ mD3D = Direct3DCreate9(D3D_SDK_VERSION);
+
+ D3DPRESENT_PARAMETERS d3dpp;
+
+ ZeroMemory(&d3dpp, sizeof(d3dpp));
+ d3dpp.Windowed = TRUE;
+ d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
+
+ HRESULT res = mD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, mWindowHandleThrd, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &mD3DDevice);
+
+ if (FAILED(res))
+ {
+ LL_WARNS() << "(fallback) CreateDevice failed: 0x" << std::hex << res << LL_ENDL;
+ }
+ else
+ {
+ LL_INFOS() << "(fallback) CreateDevice success" << LL_ENDL;
+ }
+ }
+}
+
+void LLWindowWin32::LLWindowWin32Thread::cleanupDX()
+{
+ //clean up DXGI/D3D resources
+ if (mDXGIAdapter)
+ {
+ mDXGIAdapter->Release();
+ mDXGIAdapter = nullptr;
+ }
+
+ if (mD3DDevice)
+ {
+ mD3DDevice->Release();
+ mD3DDevice = nullptr;
+ }
+
+ if (mD3D)
+ {
+ mD3D->Release();
+ mD3D = nullptr;
+ }
+}
+
+void LLWindowWin32::LLWindowWin32Thread::run()
+{
+ sWindowThreadId = std::this_thread::get_id();
+ LogChange logger("Window");
+
+ //as good a place as any to up the MM timer resolution (see ms_sleep)
+ //attempt to set timer resolution to 1ms
+ TIMECAPS tc;
+ if (timeGetDevCaps(&tc, sizeof(TIMECAPS)) == TIMERR_NOERROR)
+ {
+ timeBeginPeriod(llclamp((U32) 1, tc.wPeriodMin, tc.wPeriodMax));
+ }
+
+ while (! getQueue().done())
+ {
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32;
+
+ // lazily call initD3D inside this loop to catch when mGLReady has been set to true
+ initDX();
+
+ if (mWindowHandleThrd != 0)
+ {
+ // lazily call initD3D inside this loop to catch when mWindowHandle has been set, and mGLReady has been set to true
+ // *TODO: Shutdown if this fails when mWindowHandle exists
+ initD3D();
+
+ MSG msg;
+ BOOL status;
+ if (mhDCThrd == 0)
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("w32t - PeekMessage");
+ logger.onChange("PeekMessage(", std::hex, mWindowHandleThrd, ")");
+ status = PeekMessage(&msg, mWindowHandleThrd, 0, 0, PM_REMOVE);
+ }
+ else
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("w32t - GetMessage");
+ logger.always("GetMessage(", std::hex, mWindowHandleThrd, ")");
+ status = GetMessage(&msg, NULL, 0, 0);
+ }
+ if (status > 0)
+ {
+ logger.always("got MSG (", std::hex, msg.hwnd, ", ", msg.message,
+ ", ", msg.wParam, ")");
+ TranslateMessage(&msg);
+ DispatchMessage(&msg);
+
+ mMessageQueue.pushFront(msg);
+ }
+ }
+
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("w32t - Function Queue");
+ logger.onChange("runPending()");
+ //process any pending functions
+ getQueue().runPending();
+ }
+
+#if 0
+ {
+ LL_PROFILE_ZONE_NAMED_CATEGORY_WIN32("w32t - Sleep");
+ logger.always("sleep(1)");
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ }
+#endif
+ }
+
+ cleanupDX();
+}
+
+void LLWindowWin32::LLWindowWin32Thread::wakeAndDestroy()
+{
+ if (mQueue->isClosed())
+ {
+ LL_WARNS() << "Tried to close Queue. Win32 thread Queue already closed." << LL_ENDL;
+ return;
+ }
+
+ // Make sure we don't leave a blank toolbar button.
+ // Also hiding window now prevents user from suspending it
+ // via some action (like dragging it around)
+ ShowWindow(mWindowHandleThrd, SW_HIDE);
+
+ // Schedule destruction
+ HWND old_handle = mWindowHandleThrd;
+ post([this]()
+ {
+ if (IsWindow(mWindowHandleThrd))
+ {
+ if (mhDCThrd)
+ {
+ if (!ReleaseDC(mWindowHandleThrd, mhDCThrd))
+ {
+ LL_WARNS("Window") << "Release of ghDC failed!" << LL_ENDL;
+ }
+ mhDCThrd = NULL;
+ }
+
+ // This causes WM_DESTROY to be sent *immediately*
+ if (!destroy_window_handler(mWindowHandleThrd))
+ {
+ LL_WARNS("Window") << "Failed to destroy Window! " << std::hex << GetLastError() << LL_ENDL;
+ }
+ }
+ else
+ {
+ // Something killed the window while we were busy destroying gl or handle somehow got broken
+ LL_WARNS("Window") << "Failed to destroy Window, invalid handle!" << LL_ENDL;
+ }
+ mWindowHandleThrd = NULL;
+ mhDCThrd = NULL;
+ mGLReady = false;
+ });
+
+ LL_DEBUGS("Window") << "Closing window's pool queue" << LL_ENDL;
+ mQueue->close();
+
+ // Post a nonsense user message to wake up the thread in
+ // case it is waiting for a getMessage()
+ if (old_handle)
+ {
+ WPARAM wparam{ 0xB0B0 };
+ LL_DEBUGS("Window") << "PostMessage(" << std::hex << old_handle
+ << ", " << WM_DUMMY_
+ << ", " << wparam << ")" << std::dec << LL_ENDL;
+ PostMessage(old_handle, WM_DUMMY_, wparam, 0x1337);
+ }
+
+ // There are cases where window will refuse to close,
+ // can't wait forever on join, check state instead
+ LLTimer timeout;
+ timeout.setTimerExpirySec(2.0);
+ while (!getQueue().done() && !timeout.hasExpired() && mWindowHandleThrd)
+ {
+ ms_sleep(100);
+ }
+
+ if (getQueue().done() || mWindowHandleThrd == NULL)
+ {
+ // Window is closed, started closing or is cleaning up
+ // now wait for our single thread to die.
+ if (mWindowHandleThrd)
+ {
+ LL_INFOS("Window") << "Window is closing, waiting on pool's thread to join, time since post: " << timeout.getElapsedSeconds() << "s" << LL_ENDL;
+ }
+ else
+ {
+ LL_DEBUGS("Window") << "Waiting on pool's thread, time since post: " << timeout.getElapsedSeconds() << "s" << LL_ENDL;
+ }
+ for (auto& pair : mThreads)
+ {
+ pair.second.join();
+ }
+ }
+ else
+ {
+ // Something suspended window thread, can't afford to wait forever
+ // so kill thread instead
+ // Ex: This can happen if user starts dragging window arround (if it
+ // was visible) or a modal notification pops up
+ LL_WARNS("Window") << "Window is frozen, couldn't perform clean exit" << LL_ENDL;
+
+ for (auto& pair : mThreads)
+ {
+ // very unsafe
+ TerminateThread(pair.second.native_handle(), 0);
+ pair.second.detach();
+ cleanupDX();
+ }
+ }
+ LL_DEBUGS("Window") << "thread pool shutdown complete" << LL_ENDL;
+}
+
+void LLWindowWin32::post(const std::function<void()>& func)
+{
+ mFunctionQueue.pushFront(func);
+}
+
+void LLWindowWin32::postMouseButtonEvent(const std::function<void()>& func)
+{
+ mMouseQueue.pushFront(func);
+}
+
+void LLWindowWin32::kickWindowThread(HWND windowHandle)
+{
+ if (! windowHandle)
+ windowHandle = mWindowHandle;
+ if (windowHandle)
+ {
+ // post a nonsense user message to wake up the Window Thread in
+ // case any functions are pending and no windows events came
+ // through this frame
+ WPARAM wparam{ 0xB0B0 };
+ LL_DEBUGS("Window") << "PostMessage(" << std::hex << windowHandle
+ << ", " << WM_DUMMY_
+ << ", " << wparam << ")" << std::dec << LL_ENDL;
+ PostMessage(windowHandle, WM_DUMMY_, wparam, 0x1337);
+ }
+}
+
+void LLWindowWin32::updateWindowRect()
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_WIN32;
+ //called from window thread
+ RECT rect;
+ RECT client_rect;
+
+ if (GetWindowRect(mWindowHandle, &rect) &&
+ GetClientRect(mWindowHandle, &client_rect))
+ {
+ post([=]
+ {
+ mRect = rect;
+ mClientRect = client_rect;
+ });
+ }
+}
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