Some window managers require MWM_FUNC_CLOSE to be present for a window to be allowed to close. For
example, on KWin, a window of style WS_POPUP | WS_VISIBLE has a close button drawn on top of its
taskbar preview. But when you press it, the window manager refuses to close it. On Mutter, windows
without MWN_FUNC_CLOSE doesn't have a close button on the window preview. On Windows 10, enabled
windows without WS_SYSMENU always has a close button on their taskbar window preview and can always
be …
[View More]closed with the close button. On Windows 7, enabled windows without WS_SYSMENU has no close
button on the window preview but still can be closed with the right-click menu on the taskbar.
This patch changes the behavior to match that of Windows 10.
Fix WeChat image preview window cannot be closed from KDE panels.
Signed-off-by: Zhiyi Zhang <zzhang(a)codeweavers.com>
---
dlls/winex11.drv/window.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c
index 386f21c85d4..4e856a41865 100644
--- a/dlls/winex11.drv/window.c
+++ b/dlls/winex11.drv/window.c
@@ -749,9 +749,9 @@ static void set_mwm_hints( struct x11drv_win_data *data, DWORD style, DWORD ex_s
if (is_window_resizable( data, style )) mwm_hints.functions |= MWM_FUNC_RESIZE;
if (!(style & WS_DISABLED))
{
+ mwm_hints.functions |= MWM_FUNC_CLOSE;
if (style & WS_MINIMIZEBOX) mwm_hints.functions |= MWM_FUNC_MINIMIZE;
if (style & WS_MAXIMIZEBOX) mwm_hints.functions |= MWM_FUNC_MAXIMIZE;
- if (style & WS_SYSMENU) mwm_hints.functions |= MWM_FUNC_CLOSE;
/* The window can be programmatically minimized even without
a minimize box button. Allow the WM to restore it. */
--
2.30.2
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