From 5b6396919a6b7b28251e354f12da9d016576e0f6 Mon Sep 17 00:00:00 2001
From: Jaakko Salli <jaakko.salli@dnainternet.net>
Date: Sat, 21 Mar 2009 09:50:08 +0000
Subject: [PATCH] Fixed assertion that could appear under wxGTK if wxComboCtrl
 drop-down button was clicked too quickly (backported from trunk)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@59689 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/common/combocmn.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/common/combocmn.cpp b/src/common/combocmn.cpp
index 64ca4d1173..c9a50ffec0 100644
--- a/src/common/combocmn.cpp
+++ b/src/common/combocmn.cpp
@@ -1789,7 +1789,10 @@ void wxComboCtrlBase::OnButtonClick()
 {
     // Derived classes can override this method for totally custom
     // popup action
-    ShowPopup();
+    if ( !IsPopupWindowState(Visible) )
+        ShowPopup();
+    else
+        HidePopup();
 }
 
 void wxComboCtrlBase::ShowPopup()