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(Qt): Fixed bug #9368 - we must pass empty region instead of nil.

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git-svn-id: trunk@11747 -
This commit is contained in:
zeljko 2007-08-06 12:03:18 +00:00
parent 46f8083546
commit 9aca341e7e
1 changed files with 9 additions and 1 deletions
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10
lcl/interfaces/qt/qtwinapi.inc
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@ -3774,6 +3774,7 @@ end;
function TQtWidgetSet.SelectClipRGN(DC: hDC; RGN: HRGN): Longint;
var
ARegion: QRegionH;
EmptyRegion: QRegionH;
Painter: QPainterH;
R: TRect;
begin
@ -3784,7 +3785,14 @@ begin
if RGN <> 0 then
QPainter_setClipRegion(Painter, TQtRegion(Rgn).Widget)
else
QPainter_setClipRegion(Painter, nil, QtNoClip);
begin
EmptyRegion := QRegion_create;
try
QPainter_setClipRegion(Painter, EmptyRegion, QtNoClip);
finally
QRegion_destroy(EmptyRegion);
end;
end;
if QPainter_hasClipping(Painter) then
begin
ARegion := QRegion_Create;