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Michaels change to OnEraseBackground()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6176 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-02-21 14:31:55 +00:00
parent d16c04bb0a
commit 8dd4f53663
1 changed files with 34 additions and 3 deletions
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37
src/generic/grid.cpp
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@@ -1965,10 +1965,41 @@ void wxGridWindow::OnKeyDown( wxKeyEvent& event )
if ( !m_owner->ProcessEvent( event ) ) event.Skip();
}
void wxGridWindow::OnEraseBackground(wxEraseEvent&)
{ }
// We are trapping erase background events to reduce flicker under MSW
// and GTK but this can leave junk in the space beyond the last row and
// col. So here we paint these spaces if they are visible.
//
void wxGridWindow::OnEraseBackground(wxEraseEvent& event)
{
int cw, ch;
GetClientSize( &cw, &ch );
int right, bottom;
m_owner->CalcUnscrolledPosition( cw, ch, &right, &bottom );
wxRect rightRect;
rightRect = m_owner->CellToRect( 0, m_owner->GetNumberCols()-1 );
wxRect bottomRect;
bottomRect = m_owner->CellToRect( m_owner->GetNumberRows()-1, 0 );
if ( right > rightRect.GetRight() || bottom > bottomRect.GetBottom() )
{
int left, top;
m_owner->CalcUnscrolledPosition( 0, 0, &left, &top );
wxClientDC dc( this );
m_owner->PrepareDC( dc );
dc.SetBrush( wxBrush(m_owner->GetDefaultCellBackgroundColour(), wxSOLID) );
dc.SetPen( *wxTRANSPARENT_PEN );
if ( right > rightRect.GetRight() )
dc.DrawRectangle( rightRect.GetRight()+1, top, right - rightRect.GetRight(), ch );
if ( bottom > bottomRect.GetBottom() )
dc.DrawRectangle( left, bottomRect.GetBottom()+1, cw, bottom - bottomRect.GetBottom() );
}
}
//////////////////////////////////////////////////////////////////////