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release update region as soon as we finished painting the window instead of keeping it indefinitely (bug 1819635)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49411 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2007-10-24 23:27:17 +00:00
parent 0250efd6f4
commit 90df603354
1 changed files with 36 additions and 15 deletions
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51
src/msw/window.cpp
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@ -4506,6 +4506,10 @@ bool wxWindowMSW::HandlePaint()
eventNc.SetEventObject(this);
GetEventHandler()->ProcessEvent(eventNc);
// don't keep an HRGN we don't need any longer (GetUpdateRegion() can only
// be called from inside the event handlers called above)
m_updateRegion.Clear();
return processed;
}
@ -4551,20 +4555,29 @@ void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)
return;
}
if ( GetBackgroundStyle() == wxBG_STYLE_CUSTOM )
switch ( GetBackgroundStyle() )
{
// don't skip the event here, custom background means that the app
// is drawing it itself in its OnPaint(), so don't draw it at all
// now to avoid flicker
return;
}
default:
wxFAIL_MSG( _T("Unknown background style") );
// fall through
case wxBG_STYLE_SYSTEM:
case wxBG_STYLE_COLOUR:
// do default background painting
if ( !DoEraseBackground(GetHdcOf(*event.GetDC())) )
{
// let the system paint the background
event.Skip();
}
// do default background painting
if ( !DoEraseBackground(GetHdcOf(*event.GetDC())) )
{
// let the system paint the background
event.Skip();
case wxBG_STYLE_CUSTOM:
// don't skip the event here, custom background means that the app
// is drawing it itself in its OnPaint(), so don't draw it at all
// now to avoid flicker
return;
case wxBG_STYLE_TRANSPARENT:
event.Skip();
}
}
@ -5935,10 +5948,18 @@ WXWORD wxCharCodeWXToMSW(int wxk, bool *isVirtual)
break;
default:
if ( isVirtual )
*isVirtual = false;
vk = (WXWORD)wxk;
break;
// check to see if its one of the OEM key codes.
BYTE vks = LOBYTE(VkKeyScan(wxk));
if ( vks != -1 )
{
vk = vks;
}
else
{
if ( isVirtual )
*isVirtual = false;
vk = (WXWORD)wxk;
}
}
return vk;