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winex11: Add window data structure locking to the SysCommand entry point.

This commit is contained in:
Alexandre Julliard 2012-09-24 13:41:20 +02:00
parent 6a9f5e18d1
commit 803fc6e27c
1 changed files with 15 additions and 9 deletions
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24
dlls/winex11.drv/window.c
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@ -2397,8 +2397,8 @@ LRESULT CDECL X11DRV_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
int dir;
struct x11drv_win_data *data;
if (!(data = X11DRV_get_win_data( hwnd ))) return -1;
if (!data->whole_window || !data->managed || !data->mapped) return -1;
if (!(data = get_win_data( hwnd ))) return -1;
if (!data->whole_window || !data->managed || !data->mapped) goto failed;
switch (wparam & 0xfff0)
{
@ -2408,7 +2408,7 @@ LRESULT CDECL X11DRV_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
break;
case SC_SIZE:
/* windows without WS_THICKFRAME are not resizable through the window manager */
if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_THICKFRAME)) return -1;
if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_THICKFRAME)) goto failed;
switch (hittest)
{
@ -2427,24 +2427,30 @@ LRESULT CDECL X11DRV_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
case SC_KEYMENU:
/* prevent a simple ALT press+release from activating the system menu,
* as that can get confusing on managed windows */
if ((WCHAR)lparam) return -1; /* got an explicit char */
if (GetMenu( hwnd )) return -1; /* window has a real menu */
if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_SYSMENU)) return -1; /* no system menu */
if ((WCHAR)lparam) goto failed; /* got an explicit char */
if (GetMenu( hwnd )) goto failed; /* window has a real menu */
if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_SYSMENU)) goto failed; /* no system menu */
TRACE( "ignoring SC_KEYMENU wp %lx lp %lx\n", wparam, lparam );
release_win_data( data );
return 0;
default:
return -1;
goto failed;
}
if (IsZoomed(hwnd)) return -1;
if (IsZoomed(hwnd)) goto failed;
if (!is_netwm_supported( data->display, x11drv_atom(_NET_WM_MOVERESIZE) ))
{
TRACE( "_NET_WM_MOVERESIZE not supported\n" );
return -1;
goto failed;
}
release_win_data( data );
move_resize_window( hwnd, dir );
return 0;
failed:
release_win_data( data );
return -1;
}