Fixed bug in optimization for character input, affecting first paragraph in the buffer.

[wxWidgets.git] / src / generic / scrlwing.cpp

diff --git a/src/generic/scrlwing.cpp b/src/generic/scrlwing.cpp
index 7db540e792cf07270618cb7a62d159422a1e7c30..4d4c52bc701f7a64c6ba46e96705a3905fed2961 100644 (file)
--- a/src/generic/scrlwing.cpp
+++ b/src/generic/scrlwing.cpp
@@ -18,10 +18,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __VMS
-#define XtDisplay XTDISPLAY
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -29,6 +25,10 @@
     #pragma hdrstop
 #endif
 
+#ifdef __VMS
+#define XtDisplay XTDISPLAY
+#endif
+
 #include "wx/scrolwin.h"
 
 #ifndef WX_PRECOMP
@@ -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 )
     {
@@ -468,22 +472,6 @@ wxWindow *wxScrollHelper::GetTargetWindow() const
     return m_targetWindow;
 }
 
-#ifdef __WXMAC__
-static bool wxScrolledWindowHasChildren(wxWindow* win)
-{
-    wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
-    while ( node )
-    {
-        wxWindow* child = node->GetData();
-        if ( !child->IsKindOf(CLASSINFO(wxScrollBar)) )
-            return true;
-
-        node = node->GetNext();
-    }
-    return false;
-}
-#endif
-
 // ----------------------------------------------------------------------------
 // scrolling implementation itself
 // ----------------------------------------------------------------------------
@@ -500,11 +488,6 @@ void wxScrollHelper::HandleOnScroll(wxScrollWinEvent& event)
     }
 
     bool needsRefresh = false;
-#ifdef __WXMAC__
-    // OS X blocks on immediate redraws, so make this a refresh
-    if (!wxScrolledWindowHasChildren(m_targetWindow))
-      needsRefresh = true;
-#endif
     int dx = 0,
         dy = 0;
     int orient = event.GetOrientation();
@@ -536,7 +519,12 @@ void wxScrollHelper::HandleOnScroll(wxScrollWinEvent& event)
         // flush all pending repaints before we change m_{x,y}ScrollPosition, as
         // otherwise invalidated area could be updated incorrectly later when
         // ScrollWindow() makes sure they're repainted before scrolling them
+#ifdef __WXMAC__
+        // wxWindowMac is taking care of making sure the update area is correctly
+        // set up, while not forcing an immediate redraw
+#else
         m_targetWindow->Update();
+#endif
     }
 
     if (orient == wxHORIZONTAL)
@@ -1200,18 +1188,18 @@ void wxScrollHelper::HandleOnChar(wxKeyEvent& event)
 
     if ( m_xScrollPosition != xScrollOld )
     {
-        wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBTRACK, m_xScrollPosition,
+        wxScrollWinEvent evt(wxEVT_SCROLLWIN_THUMBTRACK, m_xScrollPosition,
                                wxHORIZONTAL);
-        event.SetEventObject(m_win);
-        m_win->GetEventHandler()->ProcessEvent(event);
+        evt.SetEventObject(m_win);
+        m_win->GetEventHandler()->ProcessEvent(evt);
     }
 
     if ( m_yScrollPosition != yScrollOld )
     {
-        wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBTRACK, m_yScrollPosition,
+        wxScrollWinEvent evt(wxEVT_SCROLLWIN_THUMBTRACK, m_yScrollPosition,
                                wxVERTICAL);
-        event.SetEventObject(m_win);
-        m_win->GetEventHandler()->ProcessEvent(event);
+        evt.SetEventObject(m_win);
+        m_win->GetEventHandler()->ProcessEvent(evt);
     }
 }