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List:       kde-devel
Subject:    Re: KProgressbar and intensive calculations
From:       Bram Biesbrouck <b () beligum ! org>
Date:       2006-02-17 9:16:13
Message-ID: 200602171016.13937.b () beligum ! org
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Op vrijdag 17 februari 2006 08:47, schreef Iván Forcada Atienza:> Hi>> [Fri, 17 Feb 2006 08:27:27 +0100] - Bram Biesbrouck:> > Hi all,> >> > I'm using a KProgressBar to indicate the progress of an intensive> > calculation-loop. My problem is that, because of the calculations, the> > progressbar doesn't get enough time to fully initialize, before the> > processor gets flooded.> > Can anyone supply a solution to this?>> Are you using qApp->processEvents()?? Here you have some sample code:>> KProgressDialog prog;> prog.setAllowCancel(TRUE);> prog.setModal(TRUE);> prog.setMinimumDuration(500);	// Wait 0,5 sec. until the progressbar> appears. Good for quick processings. // calculations loop> for ( int i = 0; i < somevalue; i++ )> {> 	prog.progressBar()->setProgress( 100*i/somevalue );> 	if ( prog.wasCancelled() )> 			break;> 	qApp->processEvents()> 	// Calculations> 	[...]> }
I suppose prog.show() or prog.exec() must come before the loop?And btw, which one of the two?
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