WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd)
{
HDC hdc = (HDC)pDC;
if ( m_hasFgCol )
{
::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
}
WXHBRUSH hbr = 0;
if ( !colBg.Ok() )
{
hbr = MSWGetBgBrush(pDC, hWnd);
// if the control doesn't have any bg colour, foreground colour will be
// ignored as the return value would be 0 -- so forcefully give it a
// non default background brush in this case
if ( !hbr && m_hasFgCol )
colBg = GetBackgroundColour();
}
// use the background colour override if a valid colour is given
if ( colBg.Ok() )
{
::SetBkColor(hdc, wxColourToRGB(colBg));
// draw children with the same colour as the parent
wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg, wxSOLID);
hbr = (WXHBRUSH)brush->GetResourceHandle();
// if we use custom background, we should set foreground ourselves too
if ( !m_hasFgCol )
{
::SetTextColor(hdc, ::GetSysColor(COLOR_WINDOWTEXT));
}
//else: already set above
}
return hbr;
}
// helper for OnPaint(): really erase the background, i.e. do it even if we
// don't have any non default brush for doing it (DoEraseBackground() doesn't
// do anything in such case)
void wxStaticBox::PaintBackground(wxDC& dc, const RECT& rc)
{
// note that we do not use the box background colour here, it shouldn't
// apply to its interior for several reasons:
// 1. wxGTK doesn't do it
// 2. controls inside the box don't get correct bg colour because they
// are not our children so we'd have some really ugly colour mix if
// we did it
// 3. this is backwards compatible behaviour and some people rely on it,
// see http://groups.google.com/groups?selm=4252E932.3080801%40able.es
wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
HBRUSH hbr = MSWGetBgBrush(impl->GetHDC());
// if there is no special brush for painting this control, just use the
// solid background colour
wxBrush brush;
if ( !hbr )
{
brush = wxBrush(GetParent()->GetBackgroundColour());
hbr = GetHbrushOf(brush);
}
::FillRect(GetHdcOf(*impl), &rc, hbr);
}
