Diffstat (limited to 'core/multimedia/opieplayer/audiowidget.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | core/multimedia/opieplayer/audiowidget.cpp | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/core/multimedia/opieplayer/audiowidget.cpp b/core/multimedia/opieplayer/audiowidget.cpp new file mode 100644 index 0000000..243c58c --- a/dev/null +++ b/core/multimedia/opieplayer/audiowidget.cpp @@ -0,0 +1,277 @@ +/********************************************************************** +** 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 <qwidget.h> +#include <qpixmap.h> +#include <qbutton.h> +#include <qpainter.h> +#include <qframe.h> +#include <qpe/resource.h> +#include "audiowidget.h" +#include "mediaplayerstate.h" + + +extern MediaPlayerState *mediaPlayerState; + + +static const int xo = -2; // movable x offset +static const int yo = 22; // movable y offset + + +struct MediaButton { + int xPos, yPos; + int color; + bool isToggle, isBig, isHeld, isDown; +}; + + +// Layout information for the audioButtons (and if it is a toggle button or not) +MediaButton audioButtons[] = { + { 3*30-15+xo, 3*30-13+yo, 0, TRUE, TRUE, FALSE, FALSE }, // play + { 1*30+xo, 5*30+yo, 2, FALSE, FALSE, FALSE, FALSE }, // stop + { 5*30+xo, 5*30+yo, 2, TRUE, FALSE, FALSE, FALSE }, // pause + { 6*30-5+xo, 3*30+yo, 1, FALSE, FALSE, FALSE, FALSE }, // next + { 0*30+5+xo, 3*30+yo, 1, FALSE, FALSE, FALSE, FALSE }, // previous + { 3*30+xo, 0*30+5+yo, 3, FALSE, FALSE, FALSE, FALSE }, // volume up + { 3*30+xo, 6*30-5+yo, 3, FALSE, FALSE, FALSE, FALSE }, // volume down + { 5*30+xo, 1*30+yo, 0, TRUE, FALSE, FALSE, FALSE }, // repeat/loop + { 1*30+xo, 1*30+yo, 0, FALSE, FALSE, FALSE, FALSE } // playlist +}; + + +static const int numButtons = (sizeof(audioButtons)/sizeof(MediaButton)); + + +AudioWidget::AudioWidget(QWidget* parent, const char* name, WFlags f) : + QWidget( parent, name, f ) +{ + setCaption( tr("MediaPlayer") ); + setBackgroundPixmap( Resource::loadPixmap( "mpegplayer/metalFinish" ) ); + pixmaps[0] = new QPixmap( Resource::loadPixmap( "mpegplayer/mediaButtonsAll" ) ); + pixmaps[1] = new QPixmap( Resource::loadPixmap( "mpegplayer/mediaButtonsBig" ) ); + pixmaps[2] = new QPixmap( Resource::loadPixmap( "mpegplayer/mediaControls" ) ); + pixmaps[3] = new QPixmap( Resource::loadPixmap( "mpegplayer/animatedButton" ) ); + + songInfo = new Ticker( this ); + songInfo->setFocusPolicy( QWidget::NoFocus ); + songInfo->setGeometry( QRect( 7, 3, 220, 20 ) ); + + slider = new QSlider( Qt::Horizontal, this ); + slider->setFixedWidth( 220 ); + slider->setFixedHeight( 20 ); + slider->setMinValue( 0 ); + slider->setMaxValue( 1 ); + slider->setBackgroundPixmap( Resource::loadPixmap( "mpegplayer/metalFinish" ) ); + slider->setFocusPolicy( QWidget::NoFocus ); + slider->setGeometry( QRect( 7, 262, 220, 20 ) ); + + connect( slider, SIGNAL( sliderPressed() ), this, SLOT( sliderPressed() ) ); + connect( slider, SIGNAL( sliderReleased() ), this, SLOT( sliderReleased() ) ); + + connect( mediaPlayerState, SIGNAL( lengthChanged(long) ), this, SLOT( setLength(long) ) ); + connect( mediaPlayerState, SIGNAL( positionChanged(long) ),this, SLOT( setPosition(long) ) ); + connect( mediaPlayerState, SIGNAL( positionUpdated(long) ),this, SLOT( setPosition(long) ) ); + connect( mediaPlayerState, SIGNAL( viewChanged(char) ), this, SLOT( setView(char) ) ); + connect( mediaPlayerState, SIGNAL( loopingToggled(bool) ), this, SLOT( setLooping(bool) ) ); + connect( mediaPlayerState, SIGNAL( pausedToggled(bool) ), this, SLOT( setPaused(bool) ) ); + connect( mediaPlayerState, SIGNAL( playingToggled(bool) ), this, SLOT( setPlaying(bool) ) ); + + // Intialise state + setLength( mediaPlayerState->length() ); + setPosition( mediaPlayerState->position() ); + setLooping( mediaPlayerState->fullscreen() ); + setPaused( mediaPlayerState->paused() ); + setPlaying( mediaPlayerState->playing() ); + +} + + +AudioWidget::~AudioWidget() { + for ( int i = 0; i < 4; i++ ) + delete pixmaps[i]; +} + + +static bool audioSliderBeingMoved = FALSE; + + +void AudioWidget::sliderPressed() { + audioSliderBeingMoved = TRUE; +} + + +void AudioWidget::sliderReleased() { + audioSliderBeingMoved = FALSE; + if ( slider->width() == 0 ) + return; + long val = long((double)slider->value() * mediaPlayerState->length() / slider->width()); + mediaPlayerState->setPosition( val ); +} + + +void AudioWidget::setPosition( long i ) { + updateSlider( i, mediaPlayerState->length() ); +} + + +void AudioWidget::setLength( long max ) { + updateSlider( mediaPlayerState->position(), max ); +} + + +void AudioWidget::setView( char view ) { + if ( view == 'a' ) { + startTimer( 150 ); + showMaximized(); + } else { + killTimers(); + hide(); + } +} + + +void AudioWidget::updateSlider( long i, long max ) { + if ( max == 0 ) + return; + // Will flicker too much if we don't do this + // Scale to something reasonable + int width = slider->width(); + int val = int((double)i * width / max); + if ( !audioSliderBeingMoved ) { + if ( slider->value() != val ) + slider->setValue( val ); + if ( slider->maxValue() != width ) + slider->setMaxValue( width ); + } +} + + +void AudioWidget::setToggleButton( int i, bool down ) { + if ( down != audioButtons[i].isDown ) + toggleButton( i ); +} + + +void AudioWidget::toggleButton( int i ) { + audioButtons[i].isDown = !audioButtons[i].isDown; + QPainter p(this); + paintButton ( &p, i ); +} + + +void AudioWidget::paintButton( QPainter *p, int i ) { + int x = audioButtons[i].xPos; + int y = audioButtons[i].yPos; + int offset = 22 + 14 * audioButtons[i].isBig + audioButtons[i].isDown; + int buttonSize = 64 + audioButtons[i].isBig * (90 - 64); + p->drawPixmap( x, y, *pixmaps[audioButtons[i].isBig], buttonSize * (audioButtons[i].isDown + 2 * audioButtons[i].color), 0, buttonSize, buttonSize ); + p->drawPixmap( x + offset, y + offset, *pixmaps[2], 18 * i, 0, 18, 18 ); +} + + +void AudioWidget::timerEvent( QTimerEvent * ) { + static int frame = 0; + if ( !mediaPlayerState->paused() && audioButtons[ AudioPlay ].isDown ) { + frame = frame >= 7 ? 0 : frame + 1; + int x = audioButtons[AudioPlay].xPos; + int y = audioButtons[AudioPlay].yPos; + QPainter p( this ); + // Optimize to only draw the little bit of the changing images which is different + p.drawPixmap( x + 14, y + 8, *pixmaps[3], 32 * frame, 0, 32, 32 ); + p.drawPixmap( x + 37, y + 37, *pixmaps[2], 18 * AudioPlay, 0, 6, 3 ); + } +} + + +void AudioWidget::mouseMoveEvent( QMouseEvent *event ) { + for ( int i = 0; i < numButtons; i++ ) { + int size = audioButtons[i].isBig; + int x = audioButtons[i].xPos; + int y = audioButtons[i].yPos; + if ( event->state() == QMouseEvent::LeftButton ) { + // The test to see if the mouse click is inside the circular button or not + // (compared with the radius squared to avoid a square-root of our distance) + int radius = 32 + 13 * size; + QPoint center = QPoint( x + radius, y + radius ); + QPoint dXY = center - event->pos(); + int dist = dXY.x() * dXY.x() + dXY.y() * dXY.y(); + bool isOnButton = dist <= (radius * radius); +// QRect r( x, y, 64 + 22*size, 64 + 22*size ); +// bool isOnButton = r.contains( event->pos() ); // Rectangular Button code + if ( isOnButton && !audioButtons[i].isHeld ) { + audioButtons[i].isHeld = TRUE; + toggleButton(i); + switch (i) { + case AudioVolumeUp: emit moreClicked(); return; + case AudioVolumeDown: emit lessClicked(); return; + } + } else if ( !isOnButton && audioButtons[i].isHeld ) { + audioButtons[i].isHeld = FALSE; + toggleButton(i); + } + } else { + if ( audioButtons[i].isHeld ) { + audioButtons[i].isHeld = FALSE; + if ( !audioButtons[i].isToggle ) + setToggleButton( i, FALSE ); + switch (i) { + case AudioPlay: mediaPlayerState->setPlaying(audioButtons[i].isDown); return; + case AudioStop: mediaPlayerState->setPlaying(FALSE); return; + case AudioPause: mediaPlayerState->setPaused(audioButtons[i].isDown); return; + case AudioNext: mediaPlayerState->setNext(); return; + case AudioPrevious: mediaPlayerState->setPrev(); return; + case AudioLoop: mediaPlayerState->setLooping(audioButtons[i].isDown); return; + case AudioVolumeUp: emit moreReleased(); return; + case AudioVolumeDown: emit lessReleased(); return; + case AudioPlayList: mediaPlayerState->setList(); return; + } + } + } + } +} + + +void AudioWidget::mousePressEvent( QMouseEvent *event ) { + mouseMoveEvent( event ); +} + + +void AudioWidget::mouseReleaseEvent( QMouseEvent *event ) { + mouseMoveEvent( event ); +} + + +void AudioWidget::showEvent( QShowEvent* ) { + QMouseEvent event( QEvent::MouseMove, QPoint( 0, 0 ), 0, 0 ); + mouseMoveEvent( &event ); +} + + +void AudioWidget::closeEvent( QCloseEvent* ) { + mediaPlayerState->setList(); +} + + +void AudioWidget::paintEvent( QPaintEvent * ) { + QPainter p( this ); + for ( int i = 0; i < numButtons; i++ ) + paintButton( &p, i ); +} + + |