From dc555a92e326d5fcabbd356198066a765d36e1c6 Mon Sep 17 00:00:00 2001
From: Paul Cornett <paulcor@bullseye.com>
Date: Sat, 15 Nov 2014 17:02:21 +0000
Subject: [PATCH] notify all windows in capture stack about capture lost, and
 empty the stack

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78148 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/gtk/window.h |  1 +
 src/gtk/window.cpp      | 12 ++++++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h
index 4db8b9d73f..13683f64de 100644
--- a/include/wx/gtk/window.h
+++ b/include/wx/gtk/window.h
@@ -187,6 +187,7 @@ public:
     // This is called when capture is taken from the window. It will
     // fire off capture lost events.
     void GTKReleaseMouseAndNotify();
+    static void GTKHandleCaptureLost();
 
     GdkWindow* GTKGetDrawingWindow() const;
 
diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index 7f6584af6a..321d6816cb 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -2070,7 +2070,7 @@ size_allocate(GtkWidget*, GtkAllocation* alloc, wxWindow* win)
 }
 
 //-----------------------------------------------------------------------------
-// "grab_broken"
+// "grab_broken_event"
 //-----------------------------------------------------------------------------
 
 #if GTK_CHECK_VERSION(2, 8, 0)
@@ -2082,9 +2082,7 @@ gtk_window_grab_broken( GtkWidget*,
     // Mouse capture has been lost involuntarily, notify the application
     if(!event->keyboard && wxWindow::GetCapture() == win)
     {
-        wxMouseCaptureLostEvent evt( win->GetId() );
-        evt.SetEventObject( win );
-        win->HandleWindowEvent( evt );
+        wxWindowGTK::GTKHandleCaptureLost();
     }
     return false;
 }
@@ -4852,6 +4850,12 @@ void wxWindowGTK::GTKReleaseMouseAndNotify()
     NotifyCaptureLost();
 }
 
+void wxWindowGTK::GTKHandleCaptureLost()
+{
+    g_captureWindow = NULL;
+    NotifyCaptureLost();
+}
+
 /* static */
 wxWindow *wxWindowBase::GetCapture()
 {