Corrected wxScrolledWindow's OnSize behaviour.

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

diff --git a/src/generic/scrlwing.cpp b/src/generic/scrlwing.cpp
index 31ca6998a2e91d69f9733042fef91a13d0a2a81b..862172c5593fa50f5244af4a0533a133fb9b7820 100644 (file)
--- a/src/generic/scrlwing.cpp
+++ b/src/generic/scrlwing.cpp
@@ -167,15 +167,21 @@ void wxAutoScrollTimer::Notify()
 
 bool wxScrollHelperEvtHandler::ProcessEvent(wxEvent& event)
 {
 
 bool wxScrollHelperEvtHandler::ProcessEvent(wxEvent& event)
 {

+    wxEventType evType = event.GetEventType();
+    
+    if ( evType == wxEVT_SIZE )  // Don't let wxPanel catch the size events. RR.
+    {
+        m_scrollHelper->HandleOnSize((wxSizeEvent &)event);
+        return TRUE;
+    }
+    

     if ( wxEvtHandler::ProcessEvent(event) )
         return TRUE;
     if ( wxEvtHandler::ProcessEvent(event) )
         return TRUE;

-
+        

     // reset the skipped flag to FALSE as it might have been set to TRUE in
     // ProcessEvent() above
     event.Skip(FALSE);
 
     // reset the skipped flag to FALSE as it might have been set to TRUE in
     // ProcessEvent() above
     event.Skip(FALSE);
 

-    wxEventType evType = event.GetEventType();
-

     if ( evType == wxEVT_PAINT )
     {
         m_scrollHelper->HandleOnPaint((wxPaintEvent &)event);
     if ( evType == wxEVT_PAINT )
     {
         m_scrollHelper->HandleOnPaint((wxPaintEvent &)event);


@@ -209,10 +215,6 @@ bool wxScrollHelperEvtHandler::ProcessEvent(wxEvent& event)
         m_scrollHelper->HandleOnMouseWheel((wxMouseEvent &)event);
     }
 #endif // wxUSE_MOUSEWHEEL
         m_scrollHelper->HandleOnMouseWheel((wxMouseEvent &)event);
     }
 #endif // wxUSE_MOUSEWHEEL

-    else if ( evType == wxEVT_SIZE )
-    {
-        m_scrollHelper->HandleOnSize((wxSizeEvent &)event);
-    }

     else if ( evType == wxEVT_CHAR )
     {
         m_scrollHelper->HandleOnChar((wxKeyEvent &)event);
     else if ( evType == wxEVT_CHAR )
     {
         m_scrollHelper->HandleOnChar((wxKeyEvent &)event);


@@ -319,22 +321,22 @@ void wxScrollHelper::SetScrollbars(int pixelsPerUnitX,
 
         int totalPixelWidth = m_xScrollLines * m_xScrollPixelsPerLine;
         int totalPixelHeight = m_yScrollLines * m_yScrollPixelsPerLine;
 
         int totalPixelWidth = m_xScrollLines * m_xScrollPixelsPerLine;
         int totalPixelHeight = m_yScrollLines * m_yScrollPixelsPerLine;

-        if (m_targetWindow->m_backingPixmap &&
-           !((m_targetWindow->m_pixmapWidth == totalPixelWidth) &&
-             (m_targetWindow->m_pixmapHeight == totalPixelHeight)))
+        if (m_targetWindow->GetBackingPixmap() &&
+           !((m_targetWindow->GetPixmapWidth() == totalPixelWidth) &&
+             (m_targetWindow->GetPixmapHeight() == totalPixelHeight)))

         {
         {

-            XFreePixmap (dpy, (Pixmap) m_targetWindow->m_backingPixmap);
-            m_targetWindow->m_backingPixmap = (WXPixmap) 0;
+            XFreePixmap (dpy, (Pixmap) m_targetWindow->GetBackingPixmap());
+            m_targetWindow->SetBackingPixmap((WXPixmap) 0);

         }
 
         }
 

-        if (!m_targetWindow->m_backingPixmap &&
+        if (!m_targetWindow->GetBackingPixmap() &&

            (noUnitsX != 0) && (noUnitsY != 0))
         {
             int depth = wxDisplayDepth();
            (noUnitsX != 0) && (noUnitsY != 0))
         {
             int depth = wxDisplayDepth();

-            m_pixmapWidth = totalPixelWidth;
-            m_pixmapHeight = totalPixelHeight;
-            m_backingPixmap = (WXPixmap) XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
-            m_pixmapWidth, m_pixmapHeight, depth);
+            m_targetWindow->SetPixmapWidth(totalPixelWidth);
+            m_targetWindow->SetPixmapHeight(totalPixelHeight);
+            m_targetWindow->SetBackingPixmap((WXPixmap) XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)),
+              m_targetWindow->GetPixmapWidth(), m_targetWindow->GetPixmapHeight(), depth));

         }
 
     }
         }
 
     }


@@ -384,12 +386,12 @@ void wxScrollHelper::HandleOnScroll(wxScrollWinEvent& event)
     if (orient == wxHORIZONTAL)
     {
         m_xScrollPosition += nScrollInc;
     if (orient == wxHORIZONTAL)
     {
         m_xScrollPosition += nScrollInc;

-        m_targetWindow->SetScrollPos(wxHORIZONTAL, m_xScrollPosition, FALSE);
+        m_targetWindow->SetScrollPos(wxHORIZONTAL, m_xScrollPosition);

     }
     else
     {
         m_yScrollPosition += nScrollInc;
     }
     else
     {
         m_yScrollPosition += nScrollInc;

-        m_targetWindow->SetScrollPos(wxVERTICAL, m_yScrollPosition, FALSE);
+        m_targetWindow->SetScrollPos(wxVERTICAL, m_yScrollPosition);

     }
 
     bool needsRefresh = FALSE;
     }
 
     bool needsRefresh = FALSE;


@@ -677,7 +679,7 @@ void wxScrollHelper::Scroll( int x_pos, int y_pos )
         m_xScrollPosition = wxMax( 0, m_xScrollPosition );
 
         if (old_x != m_xScrollPosition) {
         m_xScrollPosition = wxMax( 0, m_xScrollPosition );
 
         if (old_x != m_xScrollPosition) {

-            m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, FALSE );
+            m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition );

             m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0,
                                           GetRect() );
         }
             m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0,
                                           GetRect() );
         }


@@ -698,7 +700,7 @@ void wxScrollHelper::Scroll( int x_pos, int y_pos )
         m_yScrollPosition = wxMax( 0, m_yScrollPosition );
 
         if (old_y != m_yScrollPosition) {
         m_yScrollPosition = wxMax( 0, m_yScrollPosition );
 
         if (old_y != m_yScrollPosition) {

-            m_targetWindow->SetScrollPos( wxVERTICAL, m_yScrollPosition, FALSE );
+            m_targetWindow->SetScrollPos( wxVERTICAL, m_yScrollPosition );

             m_targetWindow->ScrollWindow( 0, (old_y-m_yScrollPosition)*m_yScrollPixelsPerLine,
                                           GetRect() );
         }
             m_targetWindow->ScrollWindow( 0, (old_y-m_yScrollPosition)*m_yScrollPixelsPerLine,
                                           GetRect() );
         }


@@ -809,6 +811,9 @@ void wxScrollHelper::HandleOnChar(wxKeyEvent& event)
         szy = -1;
     }
 
         szy = -1;
     }
 

+    int xScrollOld = m_xScrollPosition,
+        yScrollOld = m_yScrollPosition;
+

     int dsty;
     switch ( event.KeyCode() )
     {
     int dsty;
     switch ( event.KeyCode() )
     {


@@ -851,6 +856,22 @@ void wxScrollHelper::HandleOnChar(wxKeyEvent& event)
             // not for us
             event.Skip();
     }
             // not for us
             event.Skip();
     }

+
+    if ( m_xScrollPosition != xScrollOld )
+    {
+        wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBTRACK, m_xScrollPosition,
+                               wxHORIZONTAL);
+        event.SetEventObject(m_win);
+        m_win->GetEventHandler()->ProcessEvent(event);
+    }
+
+    if ( m_yScrollPosition != yScrollOld )
+    {
+        wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBTRACK, m_yScrollPosition,
+                               wxVERTICAL);
+        event.SetEventObject(m_win);
+        m_win->GetEventHandler()->ProcessEvent(event);
+    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------