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win32: Simplify API call

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The region is not necessary (according to various Google examples).
This commit is contained in:
Benjamin Otte
2023-04-27 00:46:47 +02:00
committed by Chun-wei Fan
parent 41f5678c2a
commit 579ea799e9
1 changed files with 4 additions and 20 deletions
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24
gdk/win32/gdksurface-win32.c
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@@ -271,9 +271,7 @@ gboolean
_gdk_win32_surface_enable_transparency (GdkSurface *window)
{
DWM_BLURBEHIND blur_behind;
HRGN empty_region;
HRESULT call_result;
HWND thiswindow;
HRESULT hr;
if (window == NULL || GDK_SURFACE_HWND (window) == NULL)
return FALSE;
@@ -281,26 +279,12 @@ _gdk_win32_surface_enable_transparency (GdkSurface *window)
if (!gdk_display_is_composited (gdk_surface_get_display (window)))
return FALSE;
thiswindow = GDK_SURFACE_HWND (window);
empty_region = CreateRectRgn (0, 0, -1, -1);
if (empty_region == NULL)
return FALSE;
memset (&blur_behind, 0, sizeof (blur_behind));
blur_behind.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION;
blur_behind.hRgnBlur = empty_region;
blur_behind.dwFlags = DWM_BB_ENABLE;
blur_behind.fEnable = TRUE;
call_result = DwmEnableBlurBehindWindow (thiswindow, &blur_behind);
hr = HR_CHECK (DwmEnableBlurBehindWindow (GDK_SURFACE_HWND (window), &blur_behind));
if (!SUCCEEDED (call_result))
g_warning ("%s: %s (%p) failed: %" G_GINT32_MODIFIER "x",
G_STRLOC, "DwmEnableBlurBehindWindow", thiswindow, (guint32) call_result);
DeleteObject (empty_region);
return SUCCEEDED (call_result);
return SUCCEEDED (hr);
}
static const char *