- case wxBG_STYLE_COLOUR:
- // we have a fixed solid background colour, do use it
- RECT rect;
- ::GetClientRect(GetHwnd(), &rect);
+ // do default background painting
+ if ( !DoEraseBackground(GetHdcOf(*event.GetDC())) )
+ {
+ // let the system paint the background
+ event.Skip();
+ }
+}
+
+bool wxWindowMSW::DoEraseBackground(WXHDC hDC)
+{
+ HBRUSH hbr = (HBRUSH)MSWGetBgBrush(hDC);
+ if ( !hbr )
+ return false;
+
+ wxFillRect(GetHwnd(), (HDC)hDC, hbr);
+
+ return true;
+}
+
+WXHBRUSH
+wxWindowMSW::MSWGetBgBrushForChild(WXHDC WXUNUSED(hDC), wxWindow *child)
+{
+ if ( m_hasBgCol )
+ {
+ // our background colour applies to:
+ // 1. this window itself, always
+ // 2. all children unless the colour is "not inheritable"
+ // 3. even if it is not inheritable, our immediate transparent
+ // children should still inherit it -- but not any transparent
+ // children because it would look wrong if a child of non
+ // transparent child would show our bg colour when the child itself
+ // does not
+ if ( child == this ||
+ m_inheritBgCol ||
+ (child->HasTransparentBackground() &&
+ child->GetParent() == this) )
+ {
+ // draw children with the same colour as the parent
+ wxBrush *
+ brush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour());