Rémi Bernon : server: Change desktop cursor only when inside the thread's windows.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d1789fbb40d74b747451c9c5d9e738c463a6aa67
URL:    https://gitlab.winehq.org/wine/wine/-/commit/d1789fbb40d74b747451c9c5d9e738c...

Author: Rémi Bernon 
Date:   Thu Dec 21 11:47:00 2023 +0100

server: Change desktop cursor only when inside the thread's windows.

Getting rid of the desktop cursor handle at the same time.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55961

---

server/queue.c | 13 ++++---------
 server/user.h  |  1 -
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/server/queue.c b/server/queue.c
index d2cf9800258..cd913ae03e5 100644
--- a/server/queue.c
+++ b/server/queue.c
@@ -478,13 +478,11 @@ static int update_desktop_cursor_pos( struct desktop *desktop, user_handle_t win
     return updated;
 }

-static void update_desktop_cursor_handle( struct desktop *desktop, user_handle_t handle )
+static void update_desktop_cursor_handle( struct desktop *desktop, struct thread_input *input )
 {
-    int updated = desktop->cursor.handle != handle;
-    user_handle_t win = desktop->cursor.win;
-    desktop->cursor.handle = handle;
-    if (updated)
+    if (input == get_desktop_cursor_thread_input( desktop ))
     {
+        user_handle_t handle = input->cursor_count < 0 ? 0 : input->cursor, win = desktop->cursor.win;
         /* when clipping send the message to the foreground window as well, as some driver have an artificial overlay window */
         if (is_cursor_clipped( desktop )) queue_cursor_message( desktop, 0, WM_WINE_SETCURSOR, win, handle );
         queue_cursor_message( desktop, win, WM_WINE_SETCURSOR, win, handle );
@@ -3414,10 +3412,7 @@ DECL_HANDLER(set_cursor)
     if (req->flags & SET_CURSOR_NOCLIP) set_clip_rectangle( desktop, NULL, SET_CURSOR_NOCLIP, 0 );

if (req->flags & (SET_CURSOR_HANDLE | SET_CURSOR_COUNT))
-    {
-        if (input->cursor_count < 0) update_desktop_cursor_handle( desktop, 0 );
-        else update_desktop_cursor_handle( desktop, input->cursor );
-    }
+        update_desktop_cursor_handle( desktop, input );

reply->new_x       = desktop->cursor.x;
     reply->new_y       = desktop->cursor.y;
diff --git a/server/user.h b/server/user.h
index b6f47bcac1c..8fa55e09b0f 100644
--- a/server/user.h
+++ b/server/user.h
@@ -59,7 +59,6 @@ struct global_cursor
     rectangle_t          clip;             /* cursor clip rectangle */
     unsigned int         last_change;      /* time of last position change */
     user_handle_t        win;              /* window that contains the cursor */
-    user_handle_t        handle;           /* last set cursor handle */
 };

struct desktop