From da87911d658e7dd7f08936b3f52fed9ab17a5712 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Tue, 25 Jul 2006 00:09:49 +0000
Subject: [PATCH] generate middle click events (patch 1521314)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40296 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 docs/changes.txt         |  1 +
 src/generic/treectlg.cpp | 11 +++++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/docs/changes.txt b/docs/changes.txt
index 8dfff8deb1..d31637b9e5 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -166,6 +166,7 @@ All (GUI):
 - Added wxTopLevelWindow::SetTransparent and CanSetTransparent, with
   implementations (so far) for wxMSW and wxMac.
 - Allow customizing individual grid lines appearance (Søren Lassen)
+- Fixed middle click events generation in generic wxTreeCtrl (Olly Betts)
 
 wxMSW:
 
diff --git a/src/generic/treectlg.cpp b/src/generic/treectlg.cpp
index 584ecdc293..66822423d0 100644
--- a/src/generic/treectlg.cpp
+++ b/src/generic/treectlg.cpp
@@ -3016,11 +3016,12 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
     }
 #endif
 
-    // we process left mouse up event (enables in-place edit), right down
+    // we process left mouse up event (enables in-place edit), middle/right down
     // (pass to the user code), left dbl click (activate item) and
     // dragging/moving events for items drag-and-drop
     if ( !(event.LeftDown() ||
            event.LeftUp() ||
+           event.MiddleDown() ||
            event.RightDown() ||
            event.LeftDClick() ||
            event.Dragging() ||
@@ -3171,6 +3172,12 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
             nevent2.m_pointDrag = CalcScrolledPosition(pt);
             GetEventHandler()->ProcessEvent(nevent2);
         }
+        else if ( event.MiddleDown() )
+        {
+            wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK,  this, item);
+            nevent.m_pointDrag = CalcScrolledPosition(pt);
+            event.Skip(!GetEventHandler()->ProcessEvent(nevent));
+        }
         else if ( event.LeftUp() )
         {
             // this facilitates multiple-item drag-and-drop
@@ -3210,7 +3217,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                 m_lastOnSame = false;
             }
         }
-        else // !RightDown() && !LeftUp() ==> LeftDown() || LeftDClick()
+        else // !RightDown() && !MiddleDown() && !LeftUp() ==> LeftDown() || LeftDClick()
         {
             if ( event.LeftDown() )
             {