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150 lines
2.6 KiB
150 lines
2.6 KiB
/*
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*
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* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
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* Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include "k3btimeoutwidget.h"
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#include "k3bthememanager.h"
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#include "k3bapplication.h"
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#include <kiconloader.h>
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#include <qpainter.h>
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#include <qtimer.h>
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#include <qbitmap.h>
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class K3bTimeoutWidget::Private
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{
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public:
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int timeout;
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int margin;
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QTimer timer;
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int currentTime;
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};
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K3bTimeoutWidget::K3bTimeoutWidget( QWidget* parent )
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: QWidget( parent )
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{
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d = new Private;
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d->timeout = 10000;
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d->margin = 4;
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connect( &d->timer, SIGNAL(timeout()), this, SLOT(timeStep()) );
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}
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K3bTimeoutWidget::~K3bTimeoutWidget()
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{
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delete d;
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}
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void K3bTimeoutWidget::start()
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{
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d->currentTime = 0;
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startTimer();
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}
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void K3bTimeoutWidget::stop()
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{
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d->timer.stop();
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d->currentTime = 0;
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}
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void K3bTimeoutWidget::pause()
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{
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d->timer.stop();
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}
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void K3bTimeoutWidget::resume()
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{
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startTimer();
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}
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void K3bTimeoutWidget::timeStep()
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{
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d->currentTime += 100;
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update();
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if( d->currentTime >= d->timeout ) {
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stop();
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emit timeout();
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}
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}
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QSize K3bTimeoutWidget::sizeHint() const
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{
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return minimumSizeHint();
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}
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QSize K3bTimeoutWidget::minimumSizeHint() const
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{
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int fw = fontMetrics().width( QString::number( d->timeout/1000 ) );
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int fh = fontMetrics().height();
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int diam = QMAX( fw, fh ) + 2*d->margin;
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return QSize( diam, diam );
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}
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void K3bTimeoutWidget::setTimeout( int msecs )
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{
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d->timeout = msecs;
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}
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void K3bTimeoutWidget::startTimer()
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{
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d->timer.start( 100 );
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}
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void K3bTimeoutWidget::paintEvent( QPaintEvent* )
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{
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if( d->timer.isActive() ) {
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QPainter p(this);
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if( K3bTheme* theme = k3bappcore->themeManager()->currentTheme() ) {
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p.setBrush( theme->backgroundColor() );
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p.setPen( theme->backgroundColor() );
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}
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QRect r;
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r.setSize( minimumSizeHint() );
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r.moveCenter( rect().center() );
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p.drawArc( r, 0, 360*16 );
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p.drawPie( r, 90*16, 360*16*d->currentTime/d->timeout );
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p.setPen( Qt::black );
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p.drawText( rect(), Qt::AlignCenter, QString::number( (d->timeout - d->currentTime + 500)/1000 ) );
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}
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}
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void K3bTimeoutWidget::resizeEvent( QResizeEvent* e )
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{
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QWidget::resizeEvent( e );
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}
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#include "k3btimeoutwidget.moc"
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