Alexandre Julliard : user32: Fetch client and window rectangles in a single call.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3735f36dc94ca68a9344520ac28b2f7d548b0b82
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=3735f36dc94ca68a9344520ac28b2f7d548b0b82

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Wed Jul 18 10:09:55 2018 +0200

user32: Fetch client and window rectangles in a single call.

Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/user32/painting.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/dlls/user32/painting.c b/dlls/user32/painting.c
index 665e1c0..66e69f4 100644
--- a/dlls/user32/painting.c
+++ b/dlls/user32/painting.c
@@ -652,12 +652,12 @@ static HRGN send_ncpaint( HWND hwnd, HWND *child, UINT *flags )
 
     if (whole_rgn)
     {
-        RECT client, update;
+        RECT client, window, update;
         INT type;
 
         /* check if update rgn overlaps with nonclient area */
         type = GetRgnBox( whole_rgn, &update );
-        WIN_GetRectangles( hwnd, COORDS_SCREEN, 0, &client );
+        WIN_GetRectangles( hwnd, COORDS_SCREEN, &window, &client );
 
         if ((*flags & UPDATE_NONCLIENT) ||
             update.left < client.left || update.top < client.top ||
@@ -667,15 +667,10 @@ static HRGN send_ncpaint( HWND hwnd, HWND *child, UINT *flags )
             CombineRgn( client_rgn, client_rgn, whole_rgn, RGN_AND );
 
             /* check if update rgn contains complete nonclient area */
-            if (type == SIMPLEREGION)
+            if (type == SIMPLEREGION && EqualRect( &window, &update ))
             {
-                RECT window;
-                GetWindowRect( hwnd, &window );
-                if (EqualRect( &window, &update ))
-                {
-                    DeleteObject( whole_rgn );
-                    whole_rgn = (HRGN)1;
-                }
+                DeleteObject( whole_rgn );
+                whole_rgn = (HRGN)1;
             }
         }
         else