Dmitry Timoshkov : winex11.drv: Make sure that default clipping region exists before calling ExcludeUpdateRgn ().
Alexandre Julliard
julliard at winehq.org
Thu Apr 7 07:36:49 CDT 2011
Module: wine
Branch: stable
Commit: 9d9570453a05f7bbaaf7a91a6f520e6a4af6ff9b
URL: http://source.winehq.org/git/wine.git/?a=commit;h=9d9570453a05f7bbaaf7a91a6f520e6a4af6ff9b
Author: Dmitry Timoshkov <dmitry at codeweavers.com>
Date: Mon Jan 31 19:30:43 2011 +0800
winex11.drv: Make sure that default clipping region exists before calling ExcludeUpdateRgn().
(cherry picked from commit 38167e71d1ccff264d269c3bee7e1a448871829a)
---
dlls/winex11.drv/window.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c
index 18a86b2..ef515ee 100644
--- a/dlls/winex11.drv/window.c
+++ b/dlls/winex11.drv/window.c
@@ -1600,7 +1600,7 @@ static void move_window_bits( struct x11drv_win_data *data, const RECT *old_rect
RECT dst_rect = *new_rect;
HDC hdc_src, hdc_dst;
INT code;
- HRGN rgn = 0;
+ HRGN rgn;
HWND parent = 0;
if (!data->whole_window)
@@ -1619,6 +1619,9 @@ static void move_window_bits( struct x11drv_win_data *data, const RECT *old_rect
hdc_src = hdc_dst = GetDCEx( data->hwnd, 0, DCX_CACHE );
}
+ rgn = CreateRectRgnIndirect( &dst_rect );
+ SelectClipRgn( hdc_dst, rgn );
+ DeleteObject( rgn );
ExcludeUpdateRgn( hdc_dst, data->hwnd );
code = X11DRV_START_EXPOSURES;
@@ -1631,6 +1634,7 @@ static void move_window_bits( struct x11drv_win_data *data, const RECT *old_rect
dst_rect.right - dst_rect.left, dst_rect.bottom - dst_rect.top,
hdc_src, src_rect.left, src_rect.top, SRCCOPY );
+ rgn = 0;
code = X11DRV_END_EXPOSURES;
ExtEscape( hdc_dst, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, sizeof(rgn), (LPSTR)&rgn );
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