- 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(*event.GetDC()) )
+ {
+ // let the system paint the background
+ event.Skip();
+ }
+}
+
+bool wxWindowMSW::DoEraseBackground(wxDC& dc)
+{
+ HBRUSH hBrush = (HBRUSH)MSWGetBgBrush(dc.GetHDC());
+ if ( !hBrush )
+ return false;
+
+ RECT rc;
+ ::GetClientRect(GetHwnd(), &rc);
+ ::FillRect(GetHdcOf(dc), &rc, hBrush);
+
+ return true;
+}
+
+WXHBRUSH wxWindowMSW::MSWGetSolidBgBrushForChild(wxWindow *child)
+{
+ wxColour col = MSWGetBgColourForChild(child);
+ if ( col.Ok() )
+ {
+ // draw children with the same colour as the parent
+ wxBrush *brush = wxTheBrushList->FindOrCreateBrush(col, wxSOLID);
+
+ return (WXHBRUSH)brush->GetResourceHandle();
+ }
+
+ return 0;
+}
+
+wxColour wxWindowMSW::MSWGetBgColourForChild(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. immediate transparent children which should show the same
+ // background as we do, but not for transparent grandchildren
+ // which use the background of their immediate parent instead
+ if ( m_inheritBgCol ||
+ child == this ||
+ (child->HasTransparentBackground() &&
+ child->GetParent() == this) )
+ {
+ return GetBackgroundColour();
+ }
+ }
+
+ return wxNullColour;
+}
projects / wxWidgets.git / blobdiff