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Qt: check grabWidget for nil before call to QWidget_releaseMouse().

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git-svn-id: trunk@16629 -
This commit is contained in:
zeljko 2008-09-17 16:41:26 +00:00
parent e5f09a6626
commit 7be0d54a71
1 changed files with 2 additions and 1 deletions
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3
lcl/interfaces/qt/qtwidgets.pas
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@ -2838,7 +2838,8 @@ begin
// so better to look for current Capture widget to release it instead of pass Widget as argument
AGrabWidget := QWidget_mouseGrabber();
//DebugLn(['releasing current grab: ', dbgs(AGrabWidget)]);
QWidget_releaseMouse(AGrabWidget);
if AGrabWidget <> nil then
QWidget_releaseMouse(AGrabWidget);
end;
procedure TQtWidget.scroll(dx, dy: integer);