From 602e33659eb95fd1caa795d5d1ddcc259a9fd475 Mon Sep 17 00:00:00 2001
From: Robert Roebling <robert@roebling.de>
Date: Tue, 3 Jul 2007 11:17:40 +0000
Subject: [PATCH] Let GtkScrolledWindow handle scroll wheel events. Reset
 visible range in wxListCtrl after scrolling.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47096 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/generic/listctrl.cpp | 8 ++++----
 src/generic/scrlwing.cpp | 4 ++++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp
index efbfd62082..a97c0b1343 100644
--- a/src/generic/listctrl.cpp
+++ b/src/generic/listctrl.cpp
@@ -4798,10 +4798,6 @@ void wxListMainWindow::SortItems( wxListCtrlCompare fn, long data )
 
 void wxListMainWindow::OnScroll(wxScrollWinEvent& event)
 {
-    // update our idea of which lines are shown when we redraw the window the
-    // next time
-    ResetVisibleLinesRange();
-
     // FIXME
 #if ( defined(__WXGTK__) || defined(__WXMAC__) ) && !defined(__WXUNIVERSAL__)
     wxScrolledWindow::OnScroll(event);
@@ -4809,6 +4805,10 @@ void wxListMainWindow::OnScroll(wxScrollWinEvent& event)
     HandleOnScroll( event );
 #endif
 
+    // update our idea of which lines are shown when we redraw the window the
+    // next time
+    ResetVisibleLinesRange();
+    
     if ( event.GetOrientation() == wxHORIZONTAL && HasHeader() )
     {
         wxGenericListCtrl* lc = GetListCtrl();
diff --git a/src/generic/scrlwing.cpp b/src/generic/scrlwing.cpp
index 682e7043dc..9eb9d41825 100644
--- a/src/generic/scrlwing.cpp
+++ b/src/generic/scrlwing.cpp
@@ -277,10 +277,14 @@ bool wxScrollHelperEvtHandler::ProcessEvent(wxEvent& event)
         m_scrollHelper->HandleOnMouseLeave((wxMouseEvent &)event);
     }
 #if wxUSE_MOUSEWHEEL
+    // Use GTK's own scroll wheel handling in GtkScrolledWindow
+#ifndef __WXGTK20__
     else if ( evType == wxEVT_MOUSEWHEEL )
     {
         m_scrollHelper->HandleOnMouseWheel((wxMouseEvent &)event);
+        return true;
     }
+#endif
 #endif // wxUSE_MOUSEWHEEL
     else if ( evType == wxEVT_CHAR )
     {
-- 
2.49.0