Module: wine Branch: stable Commit: 9d9570453a05f7bbaaf7a91a6f520e6a4af6ff9b URL: http://source.winehq.org/git/wine.git/?a=commit;h=9d9570453a05f7bbaaf7a91a6f... Author: Dmitry Timoshkov <dmitry(a)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 );