diff options
Diffstat (limited to 'platform/windows/display_server_windows.cpp')
-rw-r--r-- | platform/windows/display_server_windows.cpp | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/platform/windows/display_server_windows.cpp b/platform/windows/display_server_windows.cpp index 6530846c15..b4949de3f7 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; |