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Re-simplified ScrollWindow routine.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29432 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Neis 2004-09-27 07:09:39 +00:00
parent c33fae85b0
commit 80a07196b3
1 changed files with 2 additions and 38 deletions
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40
src/os2/window.cpp
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@ -948,51 +948,15 @@ void wxWindowOS2::ScrollWindow(
vRect.yBottom = vRect.yTop - pRect->height;
}
nDy *= -1; // flip the sign of Dy as OS/2 is opposite Windows.
HPS hPs;
HRGN vUpdateRegion;
hPs = ::WinGetPS(GetHwnd());
vUpdateRegion = ::GpiCreateRegion(hPs, 0, NULL);
::WinScrollWindow( GetHwnd()
,(LONG)nDx
,(LONG)nDy
,&vRect
,&vRect
,vUpdateRegion
,NULL
,SW_SCROLLCHILDREN //| SW_INVALIDATERGN
,NULL
,SW_SCROLLCHILDREN | SW_INVALIDATERGN
);
RGNRECT vRgnData;
PRECTL pUpdateRects = NULL;
vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT;
if (::GpiQueryRegionRects( hPs // Pres space
,vUpdateRegion // Handle of region to query
,NULL // Return all RECTs
,&vRgnData // Will contain number or RECTs in region
,NULL // NULL to return number of RECTs
))
{
pUpdateRects = new RECTL[vRgnData.crcReturned];
vRgnData.crc = vRgnData.crcReturned;
vRgnData.ircStart = 1;
if (::GpiQueryRegionRects( hPs // Pres space of source
,vUpdateRegion // Handle of source region
,NULL // Return all RECTs
,&vRgnData // Operations set to return rects
,pUpdateRects // Will contain the actual RECTS
))
{
for(size_t i = 0; i < vRgnData.crc; i++)
{
wxRect UpdateRect;
UpdateRect.x = pUpdateRects[i].xLeft;
UpdateRect.y = height - pUpdateRects[i].yTop;
UpdateRect.width = pUpdateRects[i].xRight - pUpdateRects[i].xLeft;
UpdateRect.height = pUpdateRects[i].yTop - pUpdateRects[i].yBottom;
Refresh(FALSE, &UpdateRect);
}
delete [] pUpdateRects;
}
}
} // end of wxWindowOS2::ScrollWindow
// ---------------------------------------------------------------------------