server: Use the helper to reset the clip rect when the desktop size changes.

server/queue.c

@@ -450,7 +450,7 @@ static void get_message_defaults( struct msg_queue *queue, int *x, int *y, unsig
 }
 
 /* set the cursor clip rectangle */
-static void set_clip_rectangle( struct desktop *desktop, const rectangle_t *rect, int send_clip_msg )
+void set_clip_rectangle( struct desktop *desktop, const rectangle_t *rect, int send_clip_msg )
 {
     rectangle_t top_rect;
     int x, y;

server/user.h

@@ -109,6 +109,7 @@ extern void queue_cleanup_window( struct thread *thread, user_handle_t win );
 extern int init_thread_queue( struct thread *thread );
 extern int attach_thread_input( struct thread *thread_from, struct thread *thread_to );
 extern void detach_thread_input( struct thread *thread_from );
+extern void set_clip_rectangle( struct desktop *desktop, const rectangle_t *rect, int send_clip_msg );
 extern void post_message( user_handle_t win, unsigned int message,
                           lparam_t wparam, lparam_t lparam );
 extern void send_notify_message( user_handle_t win, unsigned int message,

server/window.c

@@ -1829,7 +1829,7 @@ static void set_window_pos( struct window *win, struct window *previous,
     }
 
     /* reset cursor clip rectangle when the desktop changes size */
-    if (win == win->desktop->top_window) win->desktop->cursor.clip = *window_rect;
+    if (win == win->desktop->top_window) set_clip_rectangle( win->desktop, NULL, 1 );
 
     /* if the window is not visible, everything is easy */
     if (!visible) return;