server: Assume the internal clip message to be WM_WINE_CLIPCURSOR.

dlls/win32u/cursoricon.c

@@ -174,7 +174,6 @@ BOOL WINAPI NtUserClipCursor( const RECT *rect )
 
     SERVER_START_REQ( set_cursor )
     {
-        req->clip_msg = WM_WINE_CLIPCURSOR;
         if (rect)
         {
             req->flags       = SET_CURSOR_CLIP;

include/wine/server_protocol.h

@@ -5334,8 +5334,6 @@ struct set_cursor_request
     int            x;
     int            y;
     rectangle_t    clip;
-    unsigned int   clip_msg;
-    char __pad_52[4];
 };
 struct set_cursor_reply
 {
@@ -6415,7 +6413,7 @@ union generic_reply
 
 /* ### protocol_version begin ### */
 
-#define SERVER_PROTOCOL_VERSION 771
+#define SERVER_PROTOCOL_VERSION 772
 
 /* ### protocol_version end ### */
 

server/protocol.def

@@ -3700,7 +3700,6 @@ struct handle_info
     int            x;             /* cursor position */
     int            y;
     rectangle_t    clip;          /* cursor clip rectangle */
-    unsigned int   clip_msg;      /* message to post on cursor clip changes */
 @REPLY
     user_handle_t  prev_handle;   /* previous handle */
     int            prev_count;    /* previous show count */

server/queue.c

@@ -34,6 +34,7 @@
 #include "wingdi.h"
 #include "winuser.h"
 #include "winternl.h"
+#include "ntuser.h"
 
 #include "handle.h"
 #include "file.h"
@@ -467,8 +468,7 @@ static void set_clip_rectangle( struct desktop *desktop, const rectangle_t *rect
     }
     else desktop->cursor.clip = top_rect;
 
-    if (desktop->cursor.clip_msg && send_clip_msg)
-        post_desktop_message( desktop, desktop->cursor.clip_msg, rect != NULL, 0 );
+    if (send_clip_msg) post_desktop_message( desktop, WM_WINE_CLIPCURSOR, rect != NULL, 0 );
 
     /* warp the mouse to be inside the clip rect */
     x = max( min( desktop->cursor.x, desktop->cursor.clip.right - 1 ), desktop->cursor.clip.left );
@@ -3294,11 +3294,6 @@ DECL_HANDLER(set_cursor)
     if (req->flags & (SET_CURSOR_CLIP | SET_CURSOR_NOCLIP))
     {
         struct desktop *desktop = input->desktop;
-
-        /* only the desktop owner can set the message */
-        if (req->clip_msg && get_top_window_owner(desktop) == current->process)
-            desktop->cursor.clip_msg = req->clip_msg;
-
         set_clip_rectangle( desktop, (req->flags & SET_CURSOR_NOCLIP) ? NULL : &req->clip, 0 );
     }
 

server/request.h

@@ -2225,8 +2225,7 @@ C_ASSERT( FIELD_OFFSET(struct set_cursor_request, show_count) == 20 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_request, x) == 24 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_request, y) == 28 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_request, clip) == 32 );
-C_ASSERT( FIELD_OFFSET(struct set_cursor_request, clip_msg) == 48 );
-C_ASSERT( sizeof(struct set_cursor_request) == 56 );
+C_ASSERT( sizeof(struct set_cursor_request) == 48 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_reply, prev_handle) == 8 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_reply, prev_count) == 12 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_reply, prev_x) == 16 );

server/trace.c

@@ -4407,7 +4407,6 @@ static void dump_set_cursor_request( const struct set_cursor_request *req )
     fprintf( stderr, ", x=%d", req->x );
     fprintf( stderr, ", y=%d", req->y );
     dump_rectangle( ", clip=", &req->clip );
-    fprintf( stderr, ", clip_msg=%08x", req->clip_msg );
 }
 
 static void dump_set_cursor_reply( const struct set_cursor_reply *req )

server/user.h

@@ -57,7 +57,6 @@ struct global_cursor
     int                  x;                /* cursor position */
     int                  y;
     rectangle_t          clip;             /* cursor clip rectangle */
-    unsigned int         clip_msg;         /* message to post for cursor clip changes */
     unsigned int         last_change;      /* time of last position change */
     user_handle_t        win;              /* window that contains the cursor */
 };