diff options
Diffstat (limited to 'video/out')
| -rw-r--r-- | video/out/w32_common.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/video/out/w32_common.c b/video/out/w32_common.c index 64d69d8242..8a7c157952 100644 --- a/video/out/w32_common.c +++ b/video/out/w32_common.c @@ -54,6 +54,10 @@ EXTERN_C IMAGE_DOS_HEADER __ImageBase; #define WM_DPICHANGED (0x02E0) #endif +#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE +#define DWMWA_USE_IMMERSIVE_DARK_MODE 20 +#endif + #ifndef DPI_ENUMS_DECLARED typedef enum MONITOR_DPI_TYPE { MDT_EFFECTIVE_DPI = 0, @@ -70,6 +74,8 @@ struct w32_api { HRESULT (WINAPI *pGetDpiForMonitor)(HMONITOR, MONITOR_DPI_TYPE, UINT*, UINT*); BOOL (WINAPI *pImmDisableIME)(DWORD); BOOL (WINAPI *pAdjustWindowRectExForDpi)(LPRECT lpRect, DWORD dwStyle, BOOL bMenu, DWORD dwExStyle, UINT dpi); + BOOLEAN (WINAPI *pShouldAppsUseDarkMode)(void); + DWORD (WINAPI *pSetPreferredAppMode)(DWORD mode); }; struct vo_w32_state { @@ -1000,6 +1006,36 @@ static void reinit_window_state(struct vo_w32_state *w32) update_window_state(w32); } +// Follow Windows settings and update dark mode state +// Microsoft documented how to enable dark mode for title bar: +// https://learn.microsoft.com/windows/apps/desktop/modernize/apply-windows-themes +// https://learn.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute +// Documentation says to set the DWMWA_USE_IMMERSIVE_DARK_MODE attribute to +// TRUE to honor dark mode for the window, FALSE to always use light mode. While +// in fact setting it to TRUE causes dark mode to be always enabled, regardless +// of the settings. Since it is quite unlikely that it will be fixed, just use +// UxTheme API to check if dark mode should be applied and while at it enable it +// fully. Ideally this function should only call the DwmSetWindowAttribute(), +// but it just doesn't work as documented. +static void update_dark_mode(const struct vo_w32_state *w32) +{ + if (w32->api.pSetPreferredAppMode) + w32->api.pSetPreferredAppMode(1); // allow dark mode + + HIGHCONTRAST hc = {sizeof(hc)}; + SystemParametersInfo(SPI_GETHIGHCONTRAST, sizeof(hc), &hc, 0); + bool high_contrast = hc.dwFlags & HCF_HIGHCONTRASTON; + + // if pShouldAppsUseDarkMode is not available, just assume it to be true + const BOOL use_dark_mode = !high_contrast && (!w32->api.pShouldAppsUseDarkMode || + w32->api.pShouldAppsUseDarkMode()); + + SetWindowTheme(w32->window, use_dark_mode ? L"DarkMode_Explorer" : L"", NULL); + + DwmSetWindowAttribute(w32->window, DWMWA_USE_IMMERSIVE_DARK_MODE, + &use_dark_mode, sizeof(use_dark_mode)); +} + static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { @@ -1293,6 +1329,9 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, case WM_DISPLAYCHANGE: force_update_display_info(w32); break; + case WM_SETTINGCHANGE: + update_dark_mode(w32); + break; } if (message == w32->tbtnCreatedMsg) { @@ -1502,6 +1541,13 @@ static void w32_api_load(struct vo_w32_state *w32) HMODULE imm32_dll = LoadLibraryW(L"imm32.dll"); w32->api.pImmDisableIME = !imm32_dll ? NULL : (void *)GetProcAddress(imm32_dll, "ImmDisableIME"); + + // Dark mode related functions, avaliable since a Win10 update + HMODULE uxtheme_dll = GetModuleHandle(L"uxtheme.dll"); + w32->api.pShouldAppsUseDarkMode = !uxtheme_dll ? NULL : + (void *)GetProcAddress(uxtheme_dll, MAKEINTRESOURCEA(132)); + w32->api.pSetPreferredAppMode = !uxtheme_dll ? NULL : + (void *)GetProcAddress(uxtheme_dll, MAKEINTRESOURCEA(135)); } static void *gui_thread(void *ptr) @@ -1543,6 +1589,8 @@ static void *gui_thread(void *ptr) goto done; } + update_dark_mode(w32); + if (SUCCEEDED(OleInitialize(NULL))) { ole_ok = true; |