user32: Send WM_SIZE when window changes state between restored/min/maximized.

dlls/user/defwnd.c

@@ -65,7 +65,7 @@ static void DEFWND_HandleWindowPosChanged( HWND hwnd, const WINDOWPOS *winpos )
     if (!(winpos->flags & SWP_NOCLIENTMOVE))
         SendMessageW( hwnd, WM_MOVE, 0, MAKELONG(rect.left, rect.top));
 
-    if (!(winpos->flags & SWP_NOCLIENTSIZE))
+    if (!(winpos->flags & SWP_NOCLIENTSIZE) || (winpos->flags & SWP_STATECHANGED))
     {
         WPARAM wp = SIZE_RESTORED;
         if (IsZoomed(hwnd)) wp = SIZE_MAXIMIZED;

dlls/user/tests/msg.c

@@ -1435,9 +1435,19 @@ static void ok_sequence_(const struct message *expected, const char *context, in
 		     "%s: in msg 0x%04x expecting lParam 0x%lx got 0x%lx\n",
 		     context, expected->message, expected->lParam, actual->lParam);
             }
-	    ok_( file, line) ((expected->flags & defwinproc) == (actual->flags & defwinproc),
-		"%s: the msg 0x%04x should %shave been sent by DefWindowProc\n",
-		context, expected->message, (expected->flags & defwinproc) ? "" : "NOT ");
+	    if ((expected->flags & defwinproc) != (actual->flags & defwinproc) && todo)
+	    {
+		    todo_wine {
+                        failcount ++;
+                        ok_( file, line) (FALSE,
+			    "%s: in msg 0x%04x expecting lParam 0x%lx got 0x%lx\n",
+			    context, expected->message, expected->lParam, actual->lParam);
+		    }
+	    }
+	    else
+	        ok_( file, line) ((expected->flags & defwinproc) == (actual->flags & defwinproc),
+		    "%s: the msg 0x%04x should %shave been sent by DefWindowProc\n",
+		    context, expected->message, (expected->flags & defwinproc) ? "" : "NOT ");
 	    ok_( file, line) ((expected->flags & beginpaint) == (actual->flags & beginpaint),
 		"%s: the msg 0x%04x should %shave been sent by BeginPaint\n",
 		context, expected->message, (expected->flags & beginpaint) ? "" : "NOT ");

dlls/x11drv/winpos.c

@@ -1031,9 +1031,8 @@ BOOL X11DRV_ShowWindow( HWND hwnd, INT cmd )
             {
                 /* it appears that Windows always adds an undocumented 0x8000
                  * flag if the state of a window changes.
-                 * FIXME: real SWP_xxxx name?
                  */
-                swp |= 0x8000;
+                swp |= SWP_STATECHANGED;
             }
         }
 

include/winpos.h

@@ -30,6 +30,7 @@
 /* undocumented SWP flags - from SDK 3.1 */
 #define SWP_NOCLIENTSIZE	0x0800
 #define SWP_NOCLIENTMOVE	0x1000
+#define SWP_STATECHANGED        0x8000
 
 extern BOOL WINPOS_RedrawIconTitle( HWND hWnd );
 extern BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow );