Ken Thomases : winemac: Ignore window dragging if window is disabled, maximized, minimized, or hidden.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0d23637e0d53df541862d7c3d89a3ef8a884e7b2
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=0d23637e0d53df541862d7c3d89a3ef8a884e7b2

Author: Ken Thomases <ken at codeweavers.com>
Date:   Tue Jan 28 15:50:52 2014 -0600

winemac: Ignore window dragging if window is disabled, maximized, minimized, or hidden.

---

 dlls/winemac.drv/window.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dlls/winemac.drv/window.c b/dlls/winemac.drv/window.c
index 838a1b6..259552e 100644
--- a/dlls/winemac.drv/window.c
+++ b/dlls/winemac.drv/window.c
@@ -2153,11 +2153,15 @@ void macdrv_window_restore_requested(HWND hwnd)
  */
 void macdrv_window_drag_begin(HWND hwnd)
 {
+    DWORD style = GetWindowLongW(hwnd, GWL_STYLE);
     struct macdrv_win_data *data;
     MSG msg;
 
     TRACE("win %p\n", hwnd);
 
+    if (style & (WS_DISABLED | WS_MAXIMIZE | WS_MINIMIZE)) return;
+    if (!(style & WS_VISIBLE)) return;
+
     if (!(data = get_win_data(hwnd))) return;
     if (data->being_dragged) goto done;