1. added wxEvtHandler::SafelyProcessEvent() and wxWindow::HandleWindowEvent() to correctly handle exceptions in even handlers in wxGTK

2. use HandleWindowEvent() everywhere as more obvious and convenient shortcut for GetEventHandler()->ProcessEvent(); also for consistency with wxGTK where it's required

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50329 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/notebook.cpp

@@ -249,7 +249,7 @@ static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk
         event.SetCurrentFocus( notebook );
 
         wxNotebookPage *client = notebook->GetPage(sel);
-        if ( !client->GetEventHandler()->ProcessEvent( event ) )
+        if ( !client->HandleWindowEvent( event ) )
         {
              client->SetFocus();
         }