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winex11.drv: Always add MWM_FUNC_CLOSE to enabled windows. 

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 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@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zhiyi Zhang 2021-05-31 16:05:03 +08:00 committed by Alexandre Julliard
parent e6961f6e16
commit 211da181c9
1 changed files with 1 additions and 1 deletions
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2
dlls/winex11.drv/window.c
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@ -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. */