winex11.drv: Forward clip_fullscreen_window to foreground thread.

dlls/winex11.drv/display.c

@@ -372,14 +372,14 @@ static BOOL CALLBACK update_windows_on_display_change(HWND hwnd, LPARAM lparam)
         XReconfigureWMWindow(data->display, data->whole_window, data->vis.screen, mask, &changes);
     }
     release_win_data(data);
-    if (hwnd == GetForegroundWindow())
-        clip_fullscreen_window(hwnd, TRUE);
     return TRUE;
 }
 
 void X11DRV_DisplayDevices_Update(BOOL send_display_change)
 {
     RECT old_virtual_rect, new_virtual_rect;
+    DWORD tid, pid;
+    HWND foreground;
     UINT mask = 0;
 
     old_virtual_rect = get_virtual_screen_rect();
@@ -394,6 +394,13 @@ void X11DRV_DisplayDevices_Update(BOOL send_display_change)
 
     X11DRV_resize_desktop(send_display_change);
     EnumWindows(update_windows_on_display_change, (LPARAM)mask);
+
+    /* forward clip_fullscreen_window request to the foreground window */
+    if ((foreground = GetForegroundWindow()) && (tid = GetWindowThreadProcessId( foreground, &pid )) && pid == GetCurrentProcessId())
+    {
+        if (tid == GetCurrentThreadId()) clip_fullscreen_window( foreground, TRUE );
+        else SendNotifyMessageW( foreground, WM_X11DRV_CLIP_CURSOR_REQUEST, TRUE, TRUE );
+    }
 }
 
 /* Initialize a GPU instance.

dlls/winex11.drv/mouse.c

@@ -1530,7 +1530,7 @@ BOOL CDECL X11DRV_ClipCursor( LPCRECT clip )
         if (tid && tid != GetCurrentThreadId() && pid == GetCurrentProcessId())
         {
             TRACE( "forwarding clip request to %p\n", foreground );
-            SendNotifyMessageW( foreground, WM_X11DRV_CLIP_CURSOR_REQUEST, 0, 0 );
+            SendNotifyMessageW( foreground, WM_X11DRV_CLIP_CURSOR_REQUEST, FALSE, FALSE );
             return TRUE;
         }
 
@@ -1559,7 +1559,7 @@ BOOL CDECL X11DRV_ClipCursor( LPCRECT clip )
  *
  * Function called upon receiving a WM_X11DRV_CLIP_CURSOR_REQUEST.
  */
-LRESULT clip_cursor_request( HWND hwnd )
+LRESULT clip_cursor_request( HWND hwnd, BOOL fullscreen, BOOL reset )
 {
     RECT clip;
 
@@ -1567,6 +1567,8 @@ LRESULT clip_cursor_request( HWND hwnd )
         WARN( "ignoring clip cursor request on desktop window.\n" );
     else if (hwnd != GetForegroundWindow())
         WARN( "ignoring clip cursor request on non-foreground window.\n" );
+    else if (fullscreen)
+        clip_fullscreen_window( hwnd, reset );
     else
     {
         GetClipCursor( &clip );

dlls/winex11.drv/window.c

@@ -2784,7 +2784,7 @@ LRESULT CDECL X11DRV_WindowMessage( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp )
     case WM_X11DRV_CLIP_CURSOR_NOTIFY:
         return clip_cursor_notify( hwnd, (HWND)wp, (HWND)lp );
     case WM_X11DRV_CLIP_CURSOR_REQUEST:
-        return clip_cursor_request( hwnd );
+        return clip_cursor_request( hwnd, (BOOL)wp, (BOOL)lp );
     default:
         FIXME( "got window msg %x hwnd %p wp %lx lp %lx\n", msg, hwnd, wp, lp );
         return 0;

dlls/winex11.drv/x11drv.h

@@ -628,7 +628,7 @@ extern void CDECL X11DRV_SetFocus( HWND hwnd ) DECLSPEC_HIDDEN;
 extern void set_window_cursor( Window window, HCURSOR handle ) DECLSPEC_HIDDEN;
 extern void sync_window_cursor( Window window ) DECLSPEC_HIDDEN;
 extern LRESULT clip_cursor_notify( HWND hwnd, HWND prev_clip_hwnd, HWND new_clip_hwnd ) DECLSPEC_HIDDEN;
-extern LRESULT clip_cursor_request( HWND hwnd ) DECLSPEC_HIDDEN;
+extern LRESULT clip_cursor_request( HWND hwnd, BOOL fullscreen, BOOL reset ) DECLSPEC_HIDDEN;
 extern void ungrab_clipping_window(void) DECLSPEC_HIDDEN;
 extern void reset_clipping_window(void) DECLSPEC_HIDDEN;
 extern void retry_grab_clipping_window(void) DECLSPEC_HIDDEN;