Christopher Thielen : user32: Ensure that button responds only to changes in WM_CAPTURECHANGED handler.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 456aa03add985f8e1ac8dfbe2ed819e39cca0656
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=456aa03add985f8e1ac8dfbe2e...

Author: Christopher Thielen <cthielen(a)gmail.com>
Date:   Sun Jan 31 20:31:02 2016 -0800

user32: Ensure that button responds only to changes in WM_CAPTURECHANGED handler.

Signed-off-by: Christopher Thielen <cthielen(a)gmail.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>
(cherry picked from commit 85faafc0e3f3861e7c03d4f7dc842bd7d4cf6ae9)
Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org>

---

 dlls/user32/button.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/user32/button.c b/dlls/user32/button.c
index 890d154..9c52147 100644
--- a/dlls/user32/button.c
+++ b/dlls/user32/button.c
@@ -364,6 +364,7 @@ LRESULT ButtonWndProc_common(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
 
     case WM_CAPTURECHANGED:
         TRACE("WM_CAPTURECHANGED %p\n", hWnd);
+        if (hWnd == (HWND)lParam) break;
         state = get_button_state( hWnd );
         if (state & BUTTON_BTNPRESSED)
         {