1. added wxGTK::wxToolBar::SetToolShortHelp() and test for it in sample

2. fix a crash if SetSelection is called too early in wxTextCtrl
3. patch for mouse position in wxTreeCtrl events


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8805 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/listctrl.cpp

@@ -1540,6 +1540,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     {
                         eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK;
                         event.m_itemIndex = lvhti.iItem;
+                        event.m_pointDrag.x = lvhti.pt.x;
+                        event.m_pointDrag.y = lvhti.pt.y;
                     }
                 }
             }