+ // There is no sense in updating the toolbar UI
+ // if the parent window is about to get destroyed
+ wxWindow *tlw = wxGetTopLevelParent( this );
+ if (tlw && wxPendingDelete.Member( tlw ))
+ return;
+
+ wxEvtHandler* evtHandler = GetEventHandler() ;
+
+ for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ int id = node->GetData()->GetId();
+
+ wxUpdateUIEvent event(id);
+ event.SetEventObject(this);
+
+ if ( evtHandler->ProcessEvent(event) )
+ {
+ if ( event.GetSetEnabled() )
+ EnableTool(id, event.GetEnabled());
+ if ( event.GetSetChecked() )
+ ToggleTool(id, event.GetChecked());
+#if 0
+ if ( event.GetSetText() )
+ // Set tooltip?
+#endif // 0
+ }
+ }
+}
+
+// Helper function, used by wxCreateGreyedImage
+
+static void wxGreyOutImage( const wxImage& src,
+ wxImage& dest,
+ const wxColour& darkCol,
+ const wxColour& lightCol,
+ const wxColour& bgCol )
+{
+ // Second attempt, just making things monochrome
+ int width = src.GetWidth();
+ int height = src.GetHeight();
+
+ int redCur, greenCur, blueCur;
+ for ( int x = 0; x < width; x++ )
+ {
+ for ( int y = 1; y < height; y++ )
+ {
+ redCur = src.GetRed(x, y);
+ greenCur = src.GetGreen(x, y);
+ blueCur = src.GetBlue(x, y);
+
+ // Change light things to the background colour
+ if ( redCur >= (lightCol.Red() - 50) && greenCur >= (lightCol.Green() - 50) && blueCur >= (lightCol.Blue() - 50) )
+ {
+ dest.SetRGB(x,y, bgCol.Red(), bgCol.Green(), bgCol.Blue());
+ }
+ else if ( redCur == bgCol.Red() && greenCur == bgCol.Green() && blueCur == bgCol.Blue() )
+ {
+ // Leave the background colour as-is
+ // dest.SetRGB(x,y, bgCol.Red(), bgCol.Green(), bgCol.Blue());
+ }
+ else // if ( redCur <= darkCol.Red() && greenCur <= darkCol.Green() && blueCur <= darkCol.Blue() )
+ {
+ // Change dark things to really dark
+ dest.SetRGB(x,y, darkCol.Red(), darkCol.Green(), darkCol.Blue());
+ }
+ }
+ }