File indexing completed on 2024-10-06 04:26:03

 /* 
     SPDX-FileCopyrightText: 1998-2007 Sebastian Trueg <trueg@k3b.org>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "k3btimeoutwidget.h"
 #include "k3bthememanager.h"
 #include "k3bapplication.h"
 
 #include <QTimer>
 #include <QResizeEvent>
 #include <QPainter>
 #include <QPaintEvent>
 
 
 class K3b::TimeoutWidget::Private
 {
 public:
   int timeout;
   int padding;
   int margin;
 
   QTimer timer;
   int currentTime;
 
   bool paused;
 };
 
 
 K3b::TimeoutWidget::TimeoutWidget( QWidget* parent )
   : QWidget( parent )
 {
   d = new Private;
   d->timeout = 10000;
   d->padding = 4;
   d->margin = 1;
   d->paused = false;
   connect( &d->timer, SIGNAL(timeout()), this, SLOT(timeStep()) );
 }
 
 
 K3b::TimeoutWidget::~TimeoutWidget()
 {
   delete d;
 }
 
 
 void K3b::TimeoutWidget::start()
 {
   d->paused = false;
   d->currentTime = 0;
   startTimer();
 }
 
 
 void K3b::TimeoutWidget::stop()
 {
   d->paused = false;
   d->timer.stop();
   d->currentTime = 0;
 }
 
 
 void K3b::TimeoutWidget::pause()
 {
   d->paused = true;
   d->timer.stop();
 }
 
 
 void K3b::TimeoutWidget::resume()
 {
   d->paused = false;
   startTimer();
 }
 
 
 void K3b::TimeoutWidget::timeStep()
 {
   d->currentTime += 100;
   update();
   if( d->currentTime >= d->timeout ) {
     stop();
     emit timeout();
   }
 }
 
 
 QSize K3b::TimeoutWidget::sizeHint() const
 {
   return minimumSizeHint();
 }
 
 
 QSize K3b::TimeoutWidget::minimumSizeHint() const
 {
   int fw = fontMetrics().horizontalAdvance( QString::number( d->timeout/1000 ) );
   int fh = fontMetrics().height();
 
   int diam = qMax( fw, fh ) + 2*d->padding + 2*d->margin;
 
   return QSize( diam, diam );
 }
 
 
 void K3b::TimeoutWidget::setTimeout( int msecs )
 {
   d->timeout = msecs;
 }
 
 
 void K3b::TimeoutWidget::startTimer()
 {
   d->timer.start( 100 );
 }
 
 
 void K3b::TimeoutWidget::paintEvent( QPaintEvent* )
 {
   if( d->timer.isActive() || d->paused ) {
     QPainter p(this);
     p.setRenderHint( QPainter::Antialiasing );
     
     if( K3b::Theme* theme = k3bappcore->themeManager()->currentTheme() ) {
       p.setBrush( theme->backgroundColor() );
       p.setPen( theme->backgroundColor() );
     }
 
     QRect r;
     r.setSize( minimumSizeHint() - QSize(2*d->margin,2*d->margin) );
     r.moveCenter( rect().center() );
 
     p.drawArc( r, 0, 360*16 );
     p.drawPie( r, 90*16, 360*16*d->currentTime/d->timeout );
     
     p.setPen( Qt::black );
     p.drawText( rect(), Qt::AlignCenter, QString::number( (d->timeout - d->currentTime + 500)/1000 ) );
   }
 }
 
 
 void K3b::TimeoutWidget::resizeEvent( QResizeEvent* e )
 {
   QWidget::resizeEvent( e );
 }
 
 #include "moc_k3btimeoutwidget.cpp"