-#ifndef __WXMAC__ // see note in OnThemeChange
- wxColour winCol = GetBackgroundColour();
-#else
- wxColour winCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
-#endif
- dc.SetBrush(winCol);
- dc.SetPen(winCol);
-
- //wxLogDebug(wxT("hei: %i tcy: %i tchei: %i"),GetClientSize().y,m_tcArea.y,m_tcArea.height);
- //wxLogDebug(wxT("btnx: %i tcx: %i tcwid: %i"),m_btnArea.x,m_tcArea.x,m_tcArea.width);
+ // Clear the main background if the system doesn't do it by itself
+ if ( !HasTransparentBackground() &&
+ (tcRect.x > 0 || tcRect.y > 0) )
+ {
+ wxColour winCol = GetParent()->GetBackgroundColour();
+ dc.SetBrush(winCol);
+ dc.SetPen(winCol);