[PATCH v2 3/3] user32: Check that returned HBRUSH really is a brush object.

Jeff Smith whydoubt at gmail.com
Tue Oct 20 10:35:15 CDT 2020


Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=14113
Signed-off-by: Jeff Smith <whydoubt at gmail.com>
---
 dlls/user32/button.c       | 2 +-
 dlls/user32/static.c       | 3 ++-
 dlls/user32/tests/static.c | 3 ---
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/dlls/user32/button.c b/dlls/user32/button.c
index 4ff33624a43..d6b4d6e5943 100644
--- a/dlls/user32/button.c
+++ b/dlls/user32/button.c
@@ -188,7 +188,7 @@ static HBRUSH BUTTON_BrushSendMessage( HWND hwnd, HDC hDC, UINT message )
 
     hBrush = (HBRUSH)SendMessageW( parent, message, (WPARAM)hDC, (LPARAM)hwnd );
     /* Did the app forget to call DefWindowProc ? */
-    if (!hBrush)
+    if (!hBrush || GetObjectType(hBrush) != OBJ_BRUSH)
         hBrush = (HBRUSH)DefWindowProcW( parent, message, (WPARAM)hDC, (LPARAM)hwnd );
     return hBrush;
 }
diff --git a/dlls/user32/static.c b/dlls/user32/static.c
index 72e49e15e8f..f3f3c13fe69 100644
--- a/dlls/user32/static.c
+++ b/dlls/user32/static.c
@@ -293,7 +293,8 @@ static HBRUSH STATIC_SendWmCtlColorStatic(HWND hwnd, HDC hdc)
     if (!parent) parent = hwnd;
     hBrush = (HBRUSH) SendMessageW( parent,
                     WM_CTLCOLORSTATIC, (WPARAM)hdc, (LPARAM)hwnd );
-    if (!hBrush) /* did the app forget to call DefWindowProc ? */
+    /* Did the app forget to call DefWindowProc ? */
+    if (!hBrush || GetObjectType(hBrush) != OBJ_BRUSH)
     {
         /* FIXME: DefWindowProc should return different colors if a
                   manifest is present */
diff --git a/dlls/user32/tests/static.c b/dlls/user32/tests/static.c
index d42fc757c5d..c3a5486c308 100644
--- a/dlls/user32/tests/static.c
+++ b/dlls/user32/tests/static.c
@@ -322,11 +322,8 @@ static void test_style_colors(const char *class, int style, POINT *inside, POINT
             (color_tests[i].brushcolor == CLR_INVALID || is_pushbutton) ? ocolor0 :
             (is_simple || is_groupbox) ? ocolor0 :
             color_tests[i].brushcolor;
-        todo_wine_if(color_tests[i].brush != NULL && color_tests[i].brushcolor == CLR_INVALID && !is_pushbutton)
         ok(icolor == icolor_exp, "(%s,%#x,%d) Expected color %#x inside text area, got %#x\n",
                 class, style, i, icolor_exp, icolor);
-        todo_wine_if(color_tests[i].brush != NULL && color_tests[i].brushcolor == CLR_INVALID && !is_pushbutton &&
-                     !is_simple && !is_groupbox)
         ok(ocolor == ocolor_exp, "(%s,%#x,%d) Expected color %#x outside text area, got %#x\n",
                 class, style, i, ocolor_exp, ocolor);
     }
-- 
2.23.0




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