diff options
Diffstat (limited to 'platform/windows/display_server_windows.cpp')
| -rw-r--r-- | platform/windows/display_server_windows.cpp | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/platform/windows/display_server_windows.cpp b/platform/windows/display_server_windows.cpp index 6530846c15..a14170525d 100644 --- a/platform/windows/display_server_windows.cpp +++ b/platform/windows/display_server_windows.cpp @@ -1312,7 +1312,28 @@ void DisplayServerWindows::window_set_flag(WindowFlags p_flag, bool p_enabled, W _update_window_style(p_window); } break; case WINDOW_FLAG_TRANSPARENT: { - // FIXME: Implement. + if (p_enabled) { + //enable per-pixel alpha + + DWM_BLURBEHIND bb = { 0 }; + HRGN hRgn = CreateRectRgn(0, 0, -1, -1); + bb.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION; + bb.hRgnBlur = hRgn; + bb.fEnable = TRUE; + DwmEnableBlurBehindWindow(wd.hWnd, &bb); + + wd.layered_window = true; + } else { + //disable per-pixel alpha + wd.layered_window = false; + + DWM_BLURBEHIND bb = { 0 }; + HRGN hRgn = CreateRectRgn(0, 0, -1, -1); + bb.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION; + bb.hRgnBlur = hRgn; + bb.fEnable = FALSE; + DwmEnableBlurBehindWindow(wd.hWnd, &bb); + } } break; case WINDOW_FLAG_NO_FOCUS: { wd.no_focus = p_enabled; @@ -1344,7 +1365,7 @@ bool DisplayServerWindows::window_get_flag(WindowFlags p_flag, WindowID p_window return wd.always_on_top; } break; case WINDOW_FLAG_TRANSPARENT: { - // FIXME: Implement. + return wd.layered_window; } break; case WINDOW_FLAG_NO_FOCUS: { return wd.no_focus; @@ -2398,14 +2419,14 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA } break; case WM_SETTINGCHANGE: { if (lParam && CompareStringOrdinal(reinterpret_cast<LPCWCH>(lParam), -1, L"ImmersiveColorSet", -1, true) == CSTR_EQUAL) { - if (is_dark_mode_supported()) { + if (is_dark_mode_supported() && dark_title_available) { BOOL value = is_dark_mode(); ::DwmSetWindowAttribute(windows[window_id].hWnd, DWMWA_USE_IMMERSIVE_DARK_MODE, &value, sizeof(value)); } } } break; case WM_THEMECHANGED: { - if (is_dark_mode_supported()) { + if (is_dark_mode_supported() && dark_title_available) { BOOL value = is_dark_mode(); ::DwmSetWindowAttribute(windows[window_id].hWnd, DWMWA_USE_IMMERSIVE_DARK_MODE, &value, sizeof(value)); } @@ -3520,7 +3541,7 @@ DisplayServer::WindowID DisplayServerWindows::_create_window(WindowMode p_mode, wd.pre_fs_valid = true; } - if (is_dark_mode_supported()) { + if (is_dark_mode_supported() && dark_title_available) { BOOL value = is_dark_mode(); ::DwmSetWindowAttribute(wd.hWnd, DWMWA_USE_IMMERSIVE_DARK_MODE, &value, sizeof(value)); } @@ -3612,6 +3633,7 @@ WTPacketPtr DisplayServerWindows::wintab_WTPacket = nullptr; WTEnablePtr DisplayServerWindows::wintab_WTEnable = nullptr; // UXTheme API. +bool DisplayServerWindows::dark_title_available = false; bool DisplayServerWindows::ux_theme_available = false; IsDarkModeAllowedForAppPtr DisplayServerWindows::IsDarkModeAllowedForApp = nullptr; ShouldAppsUseDarkModePtr DisplayServerWindows::ShouldAppsUseDarkMode = nullptr; @@ -3704,7 +3726,21 @@ DisplayServerWindows::DisplayServerWindows(const String &p_rendering_driver, Win // Enforce default keep screen on value. screen_set_keep_on(GLOBAL_GET("display/window/energy_saving/keep_screen_on")); - // Load UXTheme + // Load Windows version info. + OSVERSIONINFOW os_ver; + ZeroMemory(&os_ver, sizeof(OSVERSIONINFOW)); + os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW); + + HMODULE nt_lib = LoadLibraryW(L"ntdll.dll"); + if (nt_lib) { + RtlGetVersionPtr RtlGetVersion = (RtlGetVersionPtr)GetProcAddress(nt_lib, "RtlGetVersion"); + if (RtlGetVersion) { + RtlGetVersion(&os_ver); + } + FreeLibrary(nt_lib); + } + + // Load UXTheme. HMODULE ux_theme_lib = LoadLibraryW(L"uxtheme.dll"); if (ux_theme_lib) { IsDarkModeAllowedForApp = (IsDarkModeAllowedForAppPtr)GetProcAddress(ux_theme_lib, MAKEINTRESOURCEA(136)); @@ -3714,6 +3750,9 @@ DisplayServerWindows::DisplayServerWindows(const String &p_rendering_driver, Win GetImmersiveUserColorSetPreference = (GetImmersiveUserColorSetPreferencePtr)GetProcAddress(ux_theme_lib, MAKEINTRESOURCEA(98)); ux_theme_available = IsDarkModeAllowedForApp && ShouldAppsUseDarkMode && GetImmersiveColorFromColorSetEx && GetImmersiveColorTypeFromName && GetImmersiveUserColorSetPreference; + if (os_ver.dwBuildNumber >= 22000) { + dark_title_available = true; + } } // Note: Wacom WinTab driver API for pen input, for devices incompatible with Windows Ink. |