Diffstat (limited to 'core/applets/volumeapplet/volume.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | core/applets/volumeapplet/volume.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/core/applets/volumeapplet/volume.cpp b/core/applets/volumeapplet/volume.cpp new file mode 100644 index 0000000..35dbf22 --- a/dev/null +++ b/core/applets/volumeapplet/volume.cpp @@ -0,0 +1,199 @@ +/********************************************************************** +** Copyright (C) 2000 Trolltech AS. All rights reserved. +** +** This file is part of Qtopia Environment. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#include "volume.h" + +#include <qpe/resource.h> +#include <qpe/qpeapplication.h> +#include <qpe/config.h> +#if ( defined Q_WS_QWS || defined(_WS_QWS_) ) && !defined(QT_NO_COP) +#include <qpe/qcopenvelope_qws.h> +#endif + +#include <qpainter.h> +#include <qcheckbox.h> +#include <qslider.h> +#include <qlayout.h> +#include <qframe.h> +#include <qpixmap.h> + + +VolumeControl::VolumeControl( QWidget *parent, const char *name ) + : QFrame( parent, name, WDestructiveClose | WStyle_StaysOnTop | WType_Popup ) +{ + setFrameStyle( QFrame::PopupPanel | QFrame::Raised ); + + QVBoxLayout *vbox = new QVBoxLayout( this ); + slider = new QSlider( this ); + muteBox = new QCheckBox( tr("Mute"), this ); + slider->setRange( 0, 100 ); + slider->setTickmarks( QSlider::Both ); + slider->setTickInterval( 20 ); + slider->setFocusPolicy( QWidget::NoFocus ); + muteBox->setFocusPolicy( QWidget::NoFocus ); + vbox->setMargin( 6 ); + vbox->setSpacing( 3 ); + vbox->addWidget( slider, 0, Qt::AlignVCenter | Qt::AlignHCenter ); + vbox->addWidget( muteBox ); + setFixedHeight( 100 ); + setFixedWidth( sizeHint().width() ); + setFocusPolicy(QWidget::NoFocus); +} + +void VolumeControl::keyPressEvent( QKeyEvent *e) +{ + switch(e->key()) { + case Key_Up: + slider->subtractStep(); + break; + case Key_Down: + slider->addStep(); + break; + case Key_Space: + muteBox->toggle(); + break; + case Key_Escape: + close(); + break; + } +} + +//=========================================================================== + +VolumeApplet::VolumeApplet( QWidget *parent, const char *name ) + : QWidget( parent, name ) +{ + setFixedHeight( 18 ); + setFixedWidth( 14 ); + volumePixmap = Resource::loadPixmap( "volume" ); + muted = FALSE; // ### read from pref + volumePercent = 50; // ### read from pref + connect( qApp, SIGNAL( volumeChanged(bool) ), this, SLOT( volumeChanged(bool) ) ); + writeSystemVolume(); +} + +VolumeApplet::~VolumeApplet() +{ +} + +void VolumeApplet::mousePressEvent( QMouseEvent *) +{ + // Create a small volume control window to adjust the volume with + VolumeControl *vc = new VolumeControl; + vc->slider->setValue( 100 - volumePercent ); + vc->muteBox->setChecked( muted ); + connect( vc->slider, SIGNAL( valueChanged( int ) ), this, SLOT( sliderMoved( int ) ) ); + connect( vc->muteBox, SIGNAL( toggled( bool ) ), this, SLOT( mute( bool ) ) ); + QPoint curPos = mapToGlobal( rect().topLeft() ); + vc->move( curPos.x()-(vc->sizeHint().width()-width())/2, curPos.y() - 100 ); + vc->show(); +} + +void VolumeApplet::volumeChanged( bool nowMuted ) +{ + int previousVolume = volumePercent; + + if ( !nowMuted ) + readSystemVolume(); + + // Handle case where muting it toggled + if ( muted != nowMuted ) { + muted = nowMuted; + repaint( TRUE ); + return; + } + + // Avoid over repainting + if ( previousVolume != volumePercent ) + repaint( 2, height() - 3, width() - 4, 2, FALSE ); +} + + +void VolumeApplet::mute( bool toggled ) +{ + muted = toggled; + // clear if removing mute + repaint( !toggled ); + writeSystemVolume(); +} + + +void VolumeApplet::sliderMoved( int percent ) +{ + setVolume( 100 - percent ); +} + + +void VolumeApplet::readSystemVolume() +{ + Config cfg("Sound"); + cfg.setGroup("System"); + volumePercent = cfg.readNumEntry("Volume"); +} + + +void VolumeApplet::setVolume( int percent ) +{ + // clamp volume percent to be between 0 and 100 + volumePercent = (percent < 0) ? 0 : ((percent > 100) ? 100 : percent); + // repaint just the little volume rectangle + repaint( 2, height() - 3, width() - 4, 2, FALSE ); + writeSystemVolume(); +} + + +void VolumeApplet::writeSystemVolume() +{ + { + Config cfg("Sound"); + cfg.setGroup("System"); + cfg.writeEntry("Volume",volumePercent); + } +#if ( defined Q_WS_QWS || defined(_WS_QWS_) ) && !defined(QT_NO_COP) + // Send notification that the volume has changed + QCopEnvelope( "QPE/System", "volumeChange(bool)" ) << muted; +#endif +} + + +void VolumeApplet::paintEvent( QPaintEvent* ) +{ + QPainter p(this); + + if (volumePixmap.isNull()) + volumePixmap = Resource::loadPixmap( "volume" ); + p.drawPixmap( 0, 1, volumePixmap ); + p.setPen( darkGray ); + p.drawRect( 1, height() - 4, width() - 2, 4 ); + + int pixelsWide = volumePercent * (width() - 4) / 100; + p.fillRect( 2, height() - 3, pixelsWide, 2, red ); + p.fillRect( pixelsWide + 2, height() - 3, width() - 4 - pixelsWide, 2, lightGray ); + + if ( muted ) { + p.setPen( red ); + p.drawLine( 1, 2, width() - 2, height() - 5 ); + p.drawLine( 1, 3, width() - 2, height() - 4 ); + p.drawLine( width() - 2, 2, 1, height() - 5 ); + p.drawLine( width() - 2, 3, 1, height() - 4 ); + } +} + + |