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-rw-r--r--indra/llwindow/llwindowwin32.cpp101
-rw-r--r--indra/llwindow/llwindowwin32.h7
2 files changed, 108 insertions, 0 deletions
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index af53b6fb3f..68b6de197a 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -76,6 +76,11 @@
#pragma comment(lib, "dxguid.lib") // needed for llurlentry test to build on some systems
#pragma comment(lib, "dinput8")
+#pragma comment(lib, "UxTheme.lib")
+#pragma comment(lib, "Dwmapi.lib")
+#include <Uxtheme.h>
+#include <dwmapi.h> // needed for DwmSetWindowAttribute to set window theme
+
const S32 MAX_MESSAGE_PER_UPDATE = 20;
const S32 BITS_PER_PIXEL = 32;
const S32 MAX_NUM_RESOLUTIONS = 32;
@@ -85,6 +90,10 @@ const F32 ICON_FLASH_TIME = 0.5f;
#define USER_DEFAULT_SCREEN_DPI 96 // Win7
#endif
+#ifndef WM_DWMCOLORIZATIONCOLORCHANGED
+#define WM_DWMCOLORIZATIONCOLORCHANGED 0x0320
+#endif
+
// Claim a couple unused GetMessage() message IDs
const UINT WM_DUMMY_(WM_USER + 0x0017);
const UINT WM_POST_FUNCTION_(WM_USER + 0x0018);
@@ -104,6 +113,7 @@ static std::thread::id sMainThreadId;
LPWSTR gIconResource = IDI_APPLICATION;
+LPWSTR gIconSmallResource = IDI_APPLICATION;
LPDIRECTINPUT8 gDirectInput8;
LLW32MsgCallback gAsyncMsgCallback = NULL;
@@ -137,6 +147,17 @@ typedef HRESULT(STDAPICALLTYPE *GetDpiForMonitorType)(
_Out_ UINT *dpiX,
_Out_ UINT *dpiY);
+typedef enum PREFERRED_APP_MODE
+{
+ DEFAULT,
+ ALLOW_DARK,
+ FORCE_DARK,
+ FORCE_LIGHT,
+ MAX
+} PREFERRED_APP_MODE;
+
+typedef PREFERRED_APP_MODE(WINAPI* fnSetPreferredAppMode)(PREFERRED_APP_MODE mode);
+
//
// LLWindowWin32
//
@@ -507,6 +528,7 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
mFSAASamples = fsaa_samples;
mIconResource = gIconResource;
+ mIconSmallResource = gIconSmallResource;
mOverrideAspectRatio = 0.f;
mNativeAspectRatio = 0.f;
mInputProcessingPaused = false;
@@ -839,6 +861,8 @@ LLWindowWin32::LLWindowWin32(LLWindowCallbacks* callbacks,
// Initialize (boot strap) the Language text input management,
// based on the system's (or user's) default settings.
allowLanguageTextInput(NULL, false);
+ updateWindowTheme();
+ setCustomIcon();
}
@@ -3007,6 +3031,17 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
WINDOW_IMP_POST(window_imp->mMouseVanish = true);
}
}
+ // Check if theme-related settings changed
+ else if (l_param && (wcscmp((LPCWSTR)l_param, L"ImmersiveColorSet") == 0))
+ {
+ WINDOW_IMP_POST(window_imp->updateWindowTheme());
+ }
+ }
+ break;
+
+ case WM_DWMCOLORIZATIONCOLORCHANGED:
+ {
+ WINDOW_IMP_POST(window_imp->updateWindowTheme());
}
break;
@@ -4962,3 +4997,69 @@ void LLWindowWin32::updateWindowRect()
});
}
}
+
+bool LLWindowWin32::isSystemAppDarkMode()
+{
+ HKEY hKey;
+ DWORD dwValue = 1; // Default to light theme
+ DWORD dwSize = sizeof(DWORD);
+
+ // Check registry for system theme preference
+ LSTATUS ret_code =
+ RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", 0, KEY_READ, &hKey);
+ if (ERROR_SUCCESS == ret_code)
+ {
+ if (RegQueryValueExW(hKey, L"AppsUseLightTheme", NULL, NULL, (LPBYTE)&dwValue, &dwSize) != ERROR_SUCCESS)
+ {
+ // If AppsUseLightTheme is not found, check SystemUsesLightTheme
+ dwSize = sizeof(DWORD);
+ RegQueryValueExW(hKey, L"SystemUsesLightTheme", NULL, NULL, (LPBYTE)&dwValue, &dwSize);
+ }
+ RegCloseKey(hKey);
+ }
+
+ // Return true if dark mode
+ return dwValue == 0;
+}
+
+void LLWindowWin32::updateWindowTheme()
+{
+ bool use_dark_mode = isSystemAppDarkMode();
+ if (use_dark_mode == mCurrentDarkMode)
+ {
+ return;
+ }
+ mCurrentDarkMode = use_dark_mode;
+
+ HMODULE hUxTheme = LoadLibraryExW(L"uxtheme.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
+ if (hUxTheme)
+ {
+ auto SetPreferredAppMode = (fnSetPreferredAppMode)GetProcAddress(hUxTheme, "SetPreferredAppMode");
+ if (SetPreferredAppMode)
+ {
+ SetPreferredAppMode(use_dark_mode ? ALLOW_DARK : FORCE_LIGHT);
+ }
+ FreeLibrary(hUxTheme);
+ }
+ BOOL dark_mode(use_dark_mode);
+ DwmSetWindowAttribute(mWindowHandle, DWMWA_USE_IMMERSIVE_DARK_MODE, &dark_mode, sizeof(dark_mode));
+
+ LL_INFOS("Window") << "Viewer window theme is set to " << (use_dark_mode ? "dark" : "light") << " mode" << LL_ENDL;
+}
+
+void LLWindowWin32::setCustomIcon()
+{
+ if (mWindowHandle)
+ {
+ HICON hDefaultIcon = LoadIcon(mhInstance, mIconResource);
+ HICON hSmallIcon = LoadIcon(mhInstance, mIconSmallResource);
+ mWindowThread->post([=]()
+ {
+ SendMessage(mWindowHandle, WM_SETICON, ICON_BIG, (LPARAM)hDefaultIcon);
+ SendMessage(mWindowHandle, WM_SETICON, ICON_SMALL, (LPARAM)hSmallIcon);
+
+ SetClassLongPtr(mWindowHandle, GCLP_HICON, (LONG_PTR)hDefaultIcon);
+ SetClassLongPtr(mWindowHandle, GCLP_HICONSM, (LONG_PTR)hSmallIcon);
+ });
+ }
+}
diff --git a/indra/llwindow/llwindowwin32.h b/indra/llwindow/llwindowwin32.h
index 561f07d388..7196706f87 100644
--- a/indra/llwindow/llwindowwin32.h
+++ b/indra/llwindow/llwindowwin32.h
@@ -214,6 +214,7 @@ protected:
bool mCustomGammaSet;
LPWSTR mIconResource;
+ LPWSTR mIconSmallResource;
bool mInputProcessingPaused;
// The following variables are for Language Text Input control.
@@ -246,6 +247,11 @@ protected:
RECT mRect;
RECT mClientRect;
+ void updateWindowTheme();
+ bool isSystemAppDarkMode();
+ void setCustomIcon();
+ bool mCurrentDarkMode { false };
+
struct LLWindowWin32Thread;
LLWindowWin32Thread* mWindowThread = nullptr;
LLThreadSafeQueue<std::function<void()>> mFunctionQueue;
@@ -281,6 +287,7 @@ private:
extern LLW32MsgCallback gAsyncMsgCallback;
extern LPWSTR gIconResource;
+extern LPWSTR gIconSmallResource;
S32 OSMessageBoxWin32(const std::string& text, const std::string& caption, U32 type);