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GDK W32: Add a comment for clarity

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This is a copy of a similar comment in another place, which explains
why WS_EX_TRANSPARENT windows get a special treatment.

https://bugzilla.gnome.org/show_bug.cgi?id=758484
This commit is contained in:
Руслан Ижбулатов 2015-11-21 04:00:33 +00:00
parent 8b7783ce21
commit 3701a60401
1 changed files with 3 additions and 0 deletions
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gdk/win32/gdkwindow-win32.c
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@ -1229,6 +1229,9 @@ gdk_win32_window_hide (GdkWindow *window)
if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL) if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL)
ShowOwnedPopups (GDK_WINDOW_HWND (window), FALSE); ShowOwnedPopups (GDK_WINDOW_HWND (window), FALSE);
/* Use SetWindowPos to hide transparent windows so automatic redraws
* in other windows can be suppressed.
*/
if (GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE) & WS_EX_TRANSPARENT) if (GetWindowLong (GDK_WINDOW_HWND (window), GWL_EXSTYLE) & WS_EX_TRANSPARENT)
{ {
SetWindowPos (GDK_WINDOW_HWND (window), SWP_NOZORDER_SPECIFIED, SetWindowPos (GDK_WINDOW_HWND (window), SWP_NOZORDER_SPECIFIED,