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trying optimal scrolling solution perf-wise

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@45756 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2007-05-02 14:01:12 +00:00
parent a3c484e025
commit c9c94a99ff
2 changed files with 8 additions and 12 deletions
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9
src/mac/carbon/window.cpp
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@@ -2634,7 +2634,8 @@ void wxWindowMac::ScrollWindow(int dx, int dy, const wxRect *rect)
if ( m_peer->GetNeedsDisplay() )
{
// because HIViewScrollRect does not scroll the already invalidated area we have two options:
// because HIViewScrollRect does not scroll the already invalidated area we have two options
// in case there is already a pending redraw on that area
// either immediate redraw or full invalidate
#if 1
// is the better overall solution, as it does not slow down scrolling
@@ -2655,14 +2656,8 @@ void wxWindowMac::ScrollWindow(int dx, int dy, const wxRect *rect)
scrollrect.Offset( -MacGetLeftBorderSize() , -MacGetTopBorderSize() ) ;
m_peer->ScrollRect( &scrollrect , dx , dy ) ;
// becuase HIViewScrollRect does not scroll the already invalidated area we have two options
// either immediate redraw or full invalidate
#if 0
// is the better overall solution, as it does not slow down scrolling
m_peer->SetNeedsDisplay() ;
#else
// this would be the preferred version for fast drawing controls
HIViewRender(m_peer->GetControlRef()) ;
#endif
}