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/common/wincmn.cpp

@@ -1051,6 +1051,11 @@ bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
     return false;
 }
 
+bool wxWindowBase::HandleWindowEvent(wxEvent& event) const
+{
+    return GetEventHandler()->SafelyProcessEvent(event);
+}
+
 // ----------------------------------------------------------------------------
 // colours, fonts &c
 // ----------------------------------------------------------------------------