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/**
* @file llwindow.cpp
* @brief Basic graphical window class
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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"
#include "llwindowheadless.h"
#if LL_MESA_HEADLESS
#include "llwindowmesaheadless.h"
#elif LL_SDL
#include "llwindowsdl.h"
#elif LL_WINDOWS
#include "llwindowwin32.h"
#elif LL_DARWIN
#include "llwindowmacosx.h"
#endif
#include "llerror.h"
#include "llkeyboard.h"
#include "llwindowcallbacks.h"
//
// Globals
//
LLSplashScreen *gSplashScreenp = NULL;
bool gDebugClicks = false;
bool gDebugWindowProc = false;
const S32 gURLProtocolWhitelistCount = 5;
const std::string gURLProtocolWhitelist[] = { "secondlife:", "http:", "https:", "data:", "mailto:" };
// CP: added a handler list - this is what's used to open the protocol and is based on registry entry
// only meaningful difference currently is that file: protocols are opened using http:
// since no protocol handler exists in registry for file:
// Important - these lists should match - protocol to handler
// Maestro: This list isn't referenced anywhere that I could find
//const std::string gURLProtocolWhitelistHandler[] = { "http", "http", "https" };
S32 OSMessageBox(const std::string& text, const std::string& caption, U32 type)
{
// Properly hide the splash screen when displaying the message box
bool was_visible = false;
if (LLSplashScreen::isVisible())
{
was_visible = true;
LLSplashScreen::hide();
}
S32 result = 0;
#if LL_MESA_HEADLESS // !!! *FIX: (?)
LL_WARNS() << "OSMessageBox: " << text << LL_ENDL;
return OSBTN_OK;
#elif LL_WINDOWS
result = OSMessageBoxWin32(text, caption, type);
#elif LL_DARWIN
result = OSMessageBoxMacOSX(text, caption, type);
#elif LL_SDL
result = OSMessageBoxSDL(text, caption, type);
#else
#error("OSMessageBox not implemented for this platform!")
#endif
if (was_visible)
{
LLSplashScreen::show();
}
return result;
}
//
// LLWindow
//
LLWindow::LLWindow(LLWindowCallbacks* callbacks, bool fullscreen, U32 flags)
: mCallbacks(callbacks),
mPostQuit(true),
mFullscreen(fullscreen),
mFullscreenWidth(0),
mFullscreenHeight(0),
mFullscreenBits(0),
mFullscreenRefresh(0),
mSupportedResolutions(NULL),
mNumSupportedResolutions(0),
mCurrentCursor(UI_CURSOR_ARROW),
mNextCursor(UI_CURSOR_ARROW),
mCursorHidden(false),
mBusyCount(0),
mIsMouseClipping(false),
mMinWindowWidth(0),
mMinWindowHeight(0),
mSwapMethod(SWAP_METHOD_UNDEFINED),
mHideCursorPermanent(false),
mFlags(flags),
mHighSurrogate(0),
mRefreshRate(0)
{
}
LLWindow::~LLWindow()
{
}
//virtual
bool LLWindow::isValid()
{
return true;
}
//virtual
bool LLWindow::canDelete()
{
return true;
}
//virtual
void LLWindow::setTitle(const std::string title)
{
// the action happens in the platform specific impl
}
// virtual
void LLWindow::incBusyCount()
{
++mBusyCount;
}
// virtual
void LLWindow::decBusyCount()
{
if (mBusyCount > 0)
{
--mBusyCount;
}
}
//virtual
void LLWindow::resetBusyCount()
{
mBusyCount = 0;
}
//virtual
S32 LLWindow::getBusyCount() const
{
return mBusyCount;
}
//virtual
ECursorType LLWindow::getCursor() const
{
return mCurrentCursor;
}
//virtual
bool LLWindow::dialogColorPicker(F32 *r, F32 *g, F32 *b)
{
return false;
}
void *LLWindow::getMediaWindow()
{
// Default to returning the platform window.
return getPlatformWindow();
}
bool LLWindow::setSize(LLCoordScreen size)
{
if (!getMaximized())
{
size.mX = llmax(size.mX, mMinWindowWidth);
size.mY = llmax(size.mY, mMinWindowHeight);
}
return setSizeImpl(size);
}
bool LLWindow::setSize(LLCoordWindow size)
{
//HACK: we are inconsistently using minimum window dimensions
// in this case, we are constraining the inner "client" rect and other times
// we constrain the outer "window" rect
// There doesn't seem to be a good way to do this consistently without a bunch of platform
// specific code
if (!getMaximized())
{
size.mX = llmax(size.mX, mMinWindowWidth);
size.mY = llmax(size.mY, mMinWindowHeight);
}
return setSizeImpl(size);
}
// virtual
void LLWindow::setMinSize(U32 min_width, U32 min_height, bool enforce_immediately)
{
mMinWindowWidth = min_width;
mMinWindowHeight = min_height;
if (enforce_immediately)
{
LLCoordScreen cur_size;
if (!getMaximized() && getSize(&cur_size))
{
if (cur_size.mX < mMinWindowWidth || cur_size.mY < mMinWindowHeight)
{
setSizeImpl(LLCoordScreen(llmin(cur_size.mX, mMinWindowWidth), llmin(cur_size.mY, mMinWindowHeight)));
}
}
}
}
//virtual
void LLWindow::processMiscNativeEvents()
{
// do nothing unless subclassed
}
//virtual
bool LLWindow::isPrimaryTextAvailable()
{
return false; // no
}
//virtual
bool LLWindow::pasteTextFromPrimary(LLWString &dst)
{
return false; // fail
}
// virtual
bool LLWindow::copyTextToPrimary(const LLWString &src)
{
return false; // fail
}
// static
std::vector<std::string> LLWindow::getDynamicFallbackFontList()
{
#if LL_WINDOWS
return LLWindowWin32::getDynamicFallbackFontList();
#elif LL_DARWIN
return LLWindowMacOSX::getDynamicFallbackFontList();
#elif LL_SDL
return LLWindowSDL::getDynamicFallbackFontList();
#else
return std::vector<std::string>();
#endif
}
// static
std::vector<std::string> LLWindow::getDisplaysResolutionList()
{
#if LL_WINDOWS
return LLWindowWin32::getDisplaysResolutionList();
#elif LL_DARWIN
return LLWindowMacOSX::getDisplaysResolutionList();
#else
return std::vector<std::string>();
#endif
}
#define UTF16_IS_HIGH_SURROGATE(U) ((U16)((U) - 0xD800) < 0x0400)
#define UTF16_IS_LOW_SURROGATE(U) ((U16)((U) - 0xDC00) < 0x0400)
#define UTF16_SURROGATE_PAIR_TO_UTF32(H,L) (((H) << 10) + (L) - (0xD800 << 10) - 0xDC00 + 0x00010000)
void LLWindow::handleUnicodeUTF16(U16 utf16, MASK mask)
{
// Note that we could discard unpaired surrogates, but I'm
// following the Unicode Consortium's recommendation here;
// that is, to preserve those unpaired surrogates in UTF-32
// values. _To_preserve_ means to pass to the callback in our
// context.
if (mHighSurrogate == 0)
{
if (UTF16_IS_HIGH_SURROGATE(utf16))
{
mHighSurrogate = utf16;
}
else
{
mCallbacks->handleUnicodeChar(utf16, mask);
}
}
else
{
if (UTF16_IS_LOW_SURROGATE(utf16))
{
/* A legal surrogate pair. */
mCallbacks->handleUnicodeChar(UTF16_SURROGATE_PAIR_TO_UTF32(mHighSurrogate, utf16), mask);
mHighSurrogate = 0;
}
else if (UTF16_IS_HIGH_SURROGATE(utf16))
{
/* Two consecutive high surrogates. */
mCallbacks->handleUnicodeChar(mHighSurrogate, mask);
mHighSurrogate = utf16;
}
else
{
/* A non-low-surrogate preceeded by a high surrogate. */
mCallbacks->handleUnicodeChar(mHighSurrogate, mask);
mHighSurrogate = 0;
mCallbacks->handleUnicodeChar(utf16, mask);
}
}
}
//
// LLSplashScreen
//
// static
bool LLSplashScreen::isVisible()
{
return gSplashScreenp;
}
// static
LLSplashScreen *LLSplashScreen::create()
{
#if LL_MESA_HEADLESS || LL_SDL // !!! *FIX: (?)
return 0;
#elif LL_WINDOWS
return new LLSplashScreenWin32;
#elif LL_DARWIN
return new LLSplashScreenMacOSX;
#else
#error("LLSplashScreen not implemented on this platform!")
#endif
}
//static
void LLSplashScreen::show()
{
if (!gSplashScreenp)
{
#if LL_WINDOWS && !LL_MESA_HEADLESS
gSplashScreenp = new LLSplashScreenWin32;
#elif LL_DARWIN
gSplashScreenp = new LLSplashScreenMacOSX;
#endif
if (gSplashScreenp)
{
gSplashScreenp->showImpl();
}
}
}
//static
void LLSplashScreen::update(const std::string& str)
{
LLSplashScreen::show();
if (gSplashScreenp)
{
gSplashScreenp->updateImpl(str);
}
}
//static
void LLSplashScreen::hide()
{
if (gSplashScreenp)
{
gSplashScreenp->hideImpl();
}
delete gSplashScreenp;
gSplashScreenp = NULL;
}
//
// LLWindowManager
//
// TODO: replace with std::set
static std::set<LLWindow*> sWindowList;
LLWindow* LLWindowManager::createWindow(
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,
F32 max_gl_version)
{
LLWindow* new_window;
if (use_gl)
{
#if LL_MESA_HEADLESS
new_window = new LLWindowMesaHeadless(callbacks,
title, name, x, y, width, height, flags,
fullscreen, clearBg, enable_vsync, use_gl, ignore_pixel_depth);
#elif LL_SDL
new_window = new LLWindowSDL(callbacks,
title, x, y, width, height, flags,
fullscreen, clearBg, enable_vsync, use_gl, ignore_pixel_depth, fsaa_samples);
#elif LL_WINDOWS
new_window = new LLWindowWin32(callbacks,
title, name, x, y, width, height, flags,
fullscreen, clearBg, enable_vsync, use_gl, ignore_pixel_depth, fsaa_samples, max_cores, max_gl_version);
#elif LL_DARWIN
new_window = new LLWindowMacOSX(callbacks,
title, name, x, y, width, height, flags,
fullscreen, clearBg, enable_vsync, use_gl, ignore_pixel_depth, fsaa_samples);
#endif
}
else
{
new_window = new LLWindowHeadless(callbacks,
title, name, x, y, width, height, flags,
fullscreen, clearBg, enable_vsync, use_gl, ignore_pixel_depth);
}
if (false == new_window->isValid())
{
delete new_window;
LL_WARNS() << "LLWindowManager::create() : Error creating window." << LL_ENDL;
return NULL;
}
sWindowList.insert(new_window);
return new_window;
}
bool LLWindowManager::destroyWindow(LLWindow* window)
{
if (sWindowList.find(window) == sWindowList.end())
{
LL_ERRS() << "LLWindowManager::destroyWindow() : Window pointer not valid, this window doesn't exist!"
<< LL_ENDL;
return false;
}
window->close();
sWindowList.erase(window);
delete window;
return true;
}
bool LLWindowManager::isWindowValid(LLWindow *window)
{
return sWindowList.find(window) != sWindowList.end();
}
//coordinate conversion utility funcs that forward to llwindow
LLCoordCommon LL_COORD_TYPE_WINDOW::convertToCommon() const
{
const LLCoordWindow& self = LLCoordWindow::getTypedCoords(*this);
LLCoordGL out;
LLWindow::instance_snapshot().begin()->convertCoords(self, &out);
return out.convert();
}
void LL_COORD_TYPE_WINDOW::convertFromCommon(const LLCoordCommon& from)
{
LLCoordWindow& self = LLCoordWindow::getTypedCoords(*this);
LLCoordGL from_gl(from);
LLWindow::instance_snapshot().begin()->convertCoords(from_gl, &self);
}
LLCoordCommon LL_COORD_TYPE_SCREEN::convertToCommon() const
{
const LLCoordScreen& self = LLCoordScreen::getTypedCoords(*this);
LLCoordGL out;
LLWindow::instance_snapshot().begin()->convertCoords(self, &out);
return out.convert();
}
void LL_COORD_TYPE_SCREEN::convertFromCommon(const LLCoordCommon& from)
{
LLCoordScreen& self = LLCoordScreen::getTypedCoords(*this);
LLCoordGL from_gl(from);
LLWindow::instance_snapshot().begin()->convertCoords(from_gl, &self);
}
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