From e8cf9a5f01ba57584f95934bdc3e18e06a4ae1cd Mon Sep 17 00:00:00 2001
From: Kevin Hock <hockkn@yahoo.com>
Date: Fri, 28 Jan 2005 03:41:01 +0000
Subject: [PATCH] Do not modify selection if right-click is on a selected item
 [patch 1111174]

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31613 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/generic/treectlg.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/generic/treectlg.cpp b/src/generic/treectlg.cpp
index 89df6f6b19..70a21e2ced 100644
--- a/src/generic/treectlg.cpp
+++ b/src/generic/treectlg.cpp
@@ -3177,7 +3177,13 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
 
         if ( event.RightDown() )
         {
-            DoSelectItem(item, true, false);
+            // If the item is already selected, do not update the selection.
+            // Multi-selections should not be cleared if a selected item is clicked.
+            if (!IsSelected(item))
+            {
+                DoSelectItem(item, true, false);
+            }
+
             wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, GetId());
             nevent.m_item = item;
             nevent.m_pointDrag = CalcScrolledPosition(pt);
-- 
2.45.2