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fix: unable to make window transparent in later win10 versions

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MicroBlock 2025-02-03 14:59:37 +08:00 • committed by GitHub
parent e7ea71be03
commit 1952a1b363
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1 changed files with 7 additions and 1 deletions
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8
src/win32_window.c
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@ -68,6 +68,9 @@ static DWORD getWindowExStyle(const _GLFWwindow* window)
{
DWORD style = WS_EX_APPWINDOW;
if (_glfw.hints.framebuffer.transparent)
style |= WS_EX_LAYERED;
if (window->monitor || window->floating)
style |= WS_EX_TOPMOST;
@ -380,15 +383,17 @@ static void updateFramebufferTransparency(const _GLFWwindow* window)
if (FAILED(DwmIsCompositionEnabled(&composition)) || !composition)
return;
if (IsWindows8OrGreater() ||
(SUCCEEDED(DwmGetColorizationColor(&color, &opaque)) && !opaque))
{
HRGN region = CreateRectRgn(0, 0, -1, -1);
DWM_BLURBEHIND bb = {0};
bb.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION;
bb.dwFlags = DWM_BB_ENABLE;
bb.hRgnBlur = region;
bb.fEnable = TRUE;
SetLayeredWindowAttributes(window->win32.handle, 0x0030c100, 254, LWA_ALPHA);
DwmEnableBlurBehindWindow(window->win32.handle, &bb);
DeleteObject(region);
}
@ -1294,6 +1299,7 @@ static int createNativeWindow(_GLFWwindow* window,
#else
wc.lpszClassName = L"GLFW30";
#endif
wc.hbrBackground = (HBRUSH)CreateSolidBrush(0x00000000);
// Load user-provided icon if available
wc.hIcon = LoadImageW(GetModuleHandleW(NULL),
L"GLFW_ICON", IMAGE_ICON,