From a4f357c620ae9e2270316197a61fb8e1d5183a51 Mon Sep 17 00:00:00 2001
From: Colin Harrison <colin.harrison@virgin.net>
Date: Mon, 9 Apr 2012 15:48:08 +0100
Subject: [PATCH] hw/xwin: Disable minimize button on window with skip-taskbar
 state

If a window has had its taskbar button removed, disable its minimize
button to prevent it becoming lost

Signed-off-by: Colin Harrison <colin.harrison@virgin.net>
Reviewed-by: Jon TURNEY <jon.turney@dronecode.org.uk>
---
 hw/xwin/winmultiwindowwm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/xwin/winmultiwindowwm.c b/hw/xwin/winmultiwindowwm.c
index 7f7745fec..773fc9767 100644
--- a/hw/xwin/winmultiwindowwm.c
+++ b/hw/xwin/winmultiwindowwm.c
@@ -1731,6 +1731,9 @@ winApplyHints(Display * pDisplay, Window iWindow, HWND hWnd, HWND * zstyle)
     if (hint & HINT_NOSYSMENU)
         style = style & ~WS_SYSMENU;
 
+    if (hint & HINT_SKIPTASKBAR)
+        style = style & ~WS_MINIMIZEBOX;        /* window will become lost if minimized */
+
     SetWindowLongPtr(hWnd, GWL_STYLE, style);
 
     exStyle = GetWindowLongPtr(hWnd, GWL_EXSTYLE);