Diffstat (limited to 'core/multimedia/opieplayer/playlistwidget.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | core/multimedia/opieplayer/playlistwidget.cpp | 448 |
1 files changed, 448 insertions, 0 deletions
diff --git a/core/multimedia/opieplayer/playlistwidget.cpp b/core/multimedia/opieplayer/playlistwidget.cpp new file mode 100644 index 0000000..969fc4b --- a/dev/null +++ b/core/multimedia/opieplayer/playlistwidget.cpp @@ -0,0 +1,448 @@ +/********************************************************************** +** 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 <qpe/qpemenubar.h> +#include <qpe/qpetoolbar.h> +#include <qpe/fileselector.h> +#include <qpe/applnk.h> +#include <qpe/config.h> +#include <qpe/global.h> +#include <qpe/resource.h> +#include <qaction.h> +#include <qimage.h> +#include <qfile.h> +#include <qlayout.h> +#include <qlabel.h> +#include <qlist.h> +#include <qlistbox.h> +#include <qmainwindow.h> +#include <qmessagebox.h> +#include <qtoolbutton.h> + +#include "playlistselection.h" +#include "playlistwidget.h" +#include "mediaplayerstate.h" + +#include <stdlib.h> + + +extern MediaPlayerState *mediaPlayerState; + + +class PlayListWidgetPrivate { +public: + QToolButton *tbPlay; + QToolButton *tbFull; + QToolButton *tbLoop; + QToolButton *tbScale; + QToolButton *tbShuffle; + + QFrame *playListFrame; + FileSelector *files; + PlayListSelection *selectedFiles; + bool setDocumentUsed; + DocLnk *current; +}; + + +class ToolButton : public QToolButton { +public: + ToolButton( QWidget *parent, const char *name, const QString& icon, QObject *handler, const QString& slot, bool t = FALSE ) + : QToolButton( parent, name ) { + setTextLabel( name ); + setPixmap( Resource::loadPixmap( icon ) ); + setAutoRaise( TRUE ); + setFocusPolicy( QWidget::NoFocus ); + setToggleButton( t ); + connect( this, t ? SIGNAL( toggled(bool) ) : SIGNAL( clicked() ), handler, slot ); + QPEMenuToolFocusManager::manager()->addWidget( this ); + } +}; + + +class MenuItem : public QAction { +public: + MenuItem( QWidget *parent, const QString& text, QObject *handler, const QString& slot ) + : QAction( text, QString::null, 0, 0 ) { + connect( this, SIGNAL( activated() ), handler, slot ); + addTo( parent ); + } +}; + + +PlayListWidget::PlayListWidget( QWidget* parent, const char* name, WFlags fl ) + : QMainWindow( parent, name, fl ) { + + d = new PlayListWidgetPrivate; + d->setDocumentUsed = FALSE; + d->current = NULL; + + setBackgroundMode( PaletteButton ); + + setCaption( tr("MediaPlayer") ); + setIcon( Resource::loadPixmap( "MPEGPlayer" ) ); + + setToolBarsMovable( FALSE ); + + // Create Toolbar + QPEToolBar *toolbar = new QPEToolBar( this ); + toolbar->setHorizontalStretchable( TRUE ); + + // Create Menubar + QPEMenuBar *menu = new QPEMenuBar( toolbar ); + menu->setMargin( 0 ); + + QPEToolBar *bar = new QPEToolBar( this ); + bar->setLabel( tr( "Play Operations" ) ); +#ifdef BUTTONS_ON_TOOLBAR + d->tbPlay = new ToolButton( bar, tr( "Play" ), "mpegplayer/play", mediaPlayerState, SLOT(setPlaying(bool)), TRUE ); + d->tbShuffle = new ToolButton( bar, tr( "Randomize" ), "mpegplayer/shuffle", mediaPlayerState, SLOT(setShuffled(bool)), TRUE ); +#endif + d->tbLoop = new ToolButton( bar, tr( "Loop" ), "mpegplayer/loop", mediaPlayerState, SLOT(setLooping(bool)), TRUE ); + d->tbFull = new ToolButton( bar, tr( "Fullscreen" ), "fullscreen", mediaPlayerState, SLOT(setFullscreen(bool)), TRUE ); + d->tbScale = new ToolButton( bar, tr( "Scale" ), "mpegplayer/scale", mediaPlayerState, SLOT(setScaled(bool)), TRUE ); + + QPopupMenu *pmPlayList = new QPopupMenu( this ); + menu->insertItem( tr( "PlayList" ), pmPlayList ); + new MenuItem( pmPlayList, tr( "Toggle PlayList" ), mediaPlayerState, SLOT( togglePlaylist() ) ); + new MenuItem( pmPlayList, tr( "Clear List" ), this, SLOT( clearList() ) ); + new MenuItem( pmPlayList, tr( "Add all music files" ), this, SLOT( addAllMusicToList() ) ); + new MenuItem( pmPlayList, tr( "Add all video files" ), this, SLOT( addAllVideoToList() ) ); + new MenuItem( pmPlayList, tr( "Add all files" ), this, SLOT( addAllToList() ) ); +#ifdef CAN_SAVE_LOAD_PLAYLISTS + new MenuItem( pmPlayList, tr( "Save PlayList" ), this, SLOT( saveList() ) ); + new MenuItem( pmPlayList, tr( "Load PlayList" ), this, SLOT( loadList() ) ); +#endif + + QVBox *vbox5 = new QVBox( this ); vbox5->setBackgroundMode( PaletteButton ); + + // Add the playlist area + QVBox *vbox3 = new QVBox( vbox5 ); vbox3->setBackgroundMode( PaletteButton ); + d->playListFrame = vbox3; + + QLabel *plString = new QLabel( tr(" PlayList"), vbox3 ); + plString->setBackgroundMode( QButton::PaletteButton ); + plString->setFont( QFont( "Helvetica", 8, QFont::Bold ) ); + + QHBox *hbox2 = new QHBox( vbox3 ); hbox2->setBackgroundMode( PaletteButton ); + d->selectedFiles = new PlayListSelection( hbox2 ); + QVBox *vbox1 = new QVBox( hbox2 ); vbox1->setBackgroundMode( PaletteButton ); + +#ifndef BUTTONS_ON_TOOLBAR + d->tbPlay = new ToolButton( vbox1, tr( "Play" ), "mpegplayer/play", mediaPlayerState, SLOT(setPlaying(bool)), TRUE ); + QVBox *stretch1 = new QVBox( vbox1 ); stretch1->setBackgroundMode( PaletteButton ); // add stretch +#endif + new ToolButton( vbox1, tr( "Move Up" ), "mpegplayer/up", d->selectedFiles, SLOT(moveSelectedUp()) ); + new ToolButton( vbox1, tr( "Remove" ), "mpegplayer/cut", d->selectedFiles, SLOT(removeSelected()) ); + new ToolButton( vbox1, tr( "Move Down" ), "mpegplayer/down", d->selectedFiles, SLOT(moveSelectedDown()) ); + QVBox *stretch2 = new QVBox( vbox1 ); stretch2->setBackgroundMode( PaletteButton ); // add stretch +#ifndef BUTTONS_ON_TOOLBAR + d->tbShuffle = new ToolButton( vbox1, tr( "Randomize" ), "mpegplayer/shuffle", mediaPlayerState, SLOT(setShuffled(bool)), TRUE ); +#endif + + // add the library area + QVBox *vbox4 = new QVBox( vbox5 ); vbox4->setBackgroundMode( PaletteButton ); + + QLabel *libString = new QLabel( tr(" Media Library"), vbox4 ); + libString->setBackgroundMode( QButton::PaletteButton ); + libString->setFont( QFont( "Helvetica", 8, QFont::Bold ) ); + + QHBox *hbox6 = new QHBox( vbox4 ); hbox6->setBackgroundMode( PaletteButton ); + d->files = new FileSelector( "video/*;audio/*", hbox6, "Find Media Files", FALSE, FALSE ); + d->files->setBackgroundMode( PaletteButton ); + QVBox *vbox7 = new QVBox( hbox6 ); vbox7->setBackgroundMode( PaletteButton ); + +#ifdef SIDE_BUTTONS + new ToolButton( vbox7, tr( "Add to Playlist" ), "mpegplayer/add_to_playlist", d->selectedFiles, SLOT(addSelected()) ); + new ToolButton( vbox7, tr( "Remove from Playlist" ), "mpegplayer/remove_from_playlist", d->selectedFiles, SLOT(removeSelected()) ); + QVBox *stretch3 = new QVBox( vbox1 ); stretch3->setBackgroundMode( PaletteButton ); // add stretch +#endif + + connect( d->files, SIGNAL( fileSelected( const DocLnk & ) ), this, SLOT( addToSelection( const DocLnk & ) ) ); + connect( mediaPlayerState, SIGNAL( playingToggled( bool ) ), d->tbPlay, SLOT( setOn( bool ) ) ); + connect( mediaPlayerState, SIGNAL( loopingToggled( bool ) ), d->tbLoop, SLOT( setOn( bool ) ) ); + connect( mediaPlayerState, SIGNAL( shuffledToggled( bool ) ), d->tbShuffle, SLOT( setOn( bool ) ) ); + connect( mediaPlayerState, SIGNAL( fullscreenToggled( bool ) ), d->tbFull, SLOT( setOn( bool ) ) ); + connect( mediaPlayerState, SIGNAL( scaledToggled( bool ) ), d->tbScale, SLOT( setOn( bool ) ) ); + connect( mediaPlayerState, SIGNAL( fullscreenToggled( bool ) ), d->tbScale, SLOT( setEnabled( bool ) ) ); + connect( mediaPlayerState, SIGNAL( playlistToggled( bool ) ), this, SLOT( setPlaylist( bool ) ) ); + + setCentralWidget( vbox5 ); + + Config cfg( "MediaPlayer" ); + readConfig( cfg ); + + initializeStates(); +} + + +PlayListWidget::~PlayListWidget() { + Config cfg( "MediaPlayer" ); + writeConfig( cfg ); + + if ( d->current ) + delete d->current; + delete d; +} + + +void PlayListWidget::initializeStates() { + d->tbPlay->setOn( mediaPlayerState->playing() ); + d->tbLoop->setOn( mediaPlayerState->looping() ); + d->tbShuffle->setOn( mediaPlayerState->shuffled() ); + d->tbFull->setOn( mediaPlayerState->fullscreen() ); + d->tbScale->setOn( mediaPlayerState->scaled() ); + d->tbScale->setEnabled( mediaPlayerState->fullscreen() ); + setPlaylist( mediaPlayerState->playlist() ); +} + + +void PlayListWidget::readConfig( Config& cfg ) { + cfg.setGroup("PlayList"); + + int noOfFiles = cfg.readNumEntry("NumberOfFiles", 0 ); + + for ( int i = 0; i < noOfFiles; i++ ) { + QString entryName; + entryName.sprintf( "File%i", i + 1 ); + QString linkFile = cfg.readEntry( entryName ); + DocLnk lnk( linkFile ); + if ( lnk.isValid() ) + d->selectedFiles->addToSelection( lnk ); + + } +} + + +void PlayListWidget::writeConfig( Config& cfg ) const { + cfg.setGroup("PlayList"); + + int noOfFiles = 0; + + d->selectedFiles->first(); + do { + const DocLnk *lnk = d->selectedFiles->current(); + if ( lnk ) { + QString entryName; + entryName.sprintf( "File%i", noOfFiles + 1 ); + cfg.writeEntry( entryName, lnk->linkFile() ); + // if this link does exist, add it so we have the file + // next time... + if ( !QFile::exists( lnk->linkFile() ) ) { + // the way writing lnks doesn't really check for out + // of disk space, but check it anyway. + if ( !lnk->writeLink() ) { + QMessageBox::critical( 0, tr("Out of space"), + tr( "There was a problem saving " + "the playlist.\n" + "Your playlist " + "may be missing some entries\n" + "the next time you start it." ) + ); + } + } + noOfFiles++; + } + } while ( d->selectedFiles->next() ); + + cfg.writeEntry("NumberOfFiles", noOfFiles ); +} + + +void PlayListWidget::addToSelection( const DocLnk& lnk ) { + d->setDocumentUsed = FALSE; + if ( mediaPlayerState->playlist() ) + d->selectedFiles->addToSelection( lnk ); + else + mediaPlayerState->setPlaying( TRUE ); +} + + +void PlayListWidget::clearList() { + while ( first() ) + d->selectedFiles->removeSelected(); +} + + +void PlayListWidget::addAllToList() { + DocLnkSet files; + Global::findDocuments(&files, "video/*;audio/*"); + QListIterator<DocLnk> dit( files.children() ); + for ( ; dit.current(); ++dit ) + d->selectedFiles->addToSelection( **dit ); +} + + +void PlayListWidget::addAllMusicToList() { + DocLnkSet files; + Global::findDocuments(&files, "audio/*"); + QListIterator<DocLnk> dit( files.children() ); + for ( ; dit.current(); ++dit ) + d->selectedFiles->addToSelection( **dit ); +} + + +void PlayListWidget::addAllVideoToList() { + DocLnkSet files; + Global::findDocuments(&files, "video/*"); + QListIterator<DocLnk> dit( files.children() ); + for ( ; dit.current(); ++dit ) + d->selectedFiles->addToSelection( **dit ); +} + + +void PlayListWidget::setDocument(const QString& fileref) { + if ( fileref.isNull() ) { + QMessageBox::critical( 0, tr( "Invalid File" ), tr( "There was a problem in getting the file." ) ); + return; + } + if ( mediaPlayerState->playlist() ) + addToSelection( DocLnk( fileref ) ); + else { + d->setDocumentUsed = TRUE; + if ( d->current ) + delete d->current; + d->current = new DocLnk( fileref ); + } + mediaPlayerState->setPlaying( FALSE ); + mediaPlayerState->setPlaying( TRUE ); +} + + +void PlayListWidget::setActiveWindow() { + // When we get raised we need to ensure that it switches views + char origView = mediaPlayerState->view(); + mediaPlayerState->setView( 'l' ); // invalidate + mediaPlayerState->setView( origView ); // now switch back +} + + +void PlayListWidget::useSelectedDocument() { + d->setDocumentUsed = FALSE; +} + + +const DocLnk *PlayListWidget::current() { + if ( mediaPlayerState->playlist() ) + return d->selectedFiles->current(); + else if ( d->setDocumentUsed && d->current ) { + return d->current; + } else + return d->files->selected(); +} + + +bool PlayListWidget::prev() { + if ( mediaPlayerState->playlist() ) { + if ( mediaPlayerState->shuffled() ) { + const DocLnk *cur = current(); + int j = 1 + (int)(97.0 * rand() / (RAND_MAX + 1.0)); + for ( int i = 0; i < j; i++ ) { + if ( !d->selectedFiles->next() ) + d->selectedFiles->first(); + } + if ( cur == current() ) + if ( !d->selectedFiles->next() ) + d->selectedFiles->first(); + return TRUE; + } else { + if ( !d->selectedFiles->prev() ) { + if ( mediaPlayerState->looping() ) { + return d->selectedFiles->last(); + } else { + return FALSE; + } + } + return TRUE; + } + } else { + return mediaPlayerState->looping(); + } +} + + +bool PlayListWidget::next() { + if ( mediaPlayerState->playlist() ) { + if ( mediaPlayerState->shuffled() ) { + return prev(); + } else { + if ( !d->selectedFiles->next() ) { + if ( mediaPlayerState->looping() ) { + return d->selectedFiles->first(); + } else { + return FALSE; + } + } + return TRUE; + } + } else { + return mediaPlayerState->looping(); + } +} + + +bool PlayListWidget::first() { + if ( mediaPlayerState->playlist() ) + return d->selectedFiles->first(); + else + return mediaPlayerState->looping(); +} + + +bool PlayListWidget::last() { + if ( mediaPlayerState->playlist() ) + return d->selectedFiles->last(); + else + return mediaPlayerState->looping(); +} + + +void PlayListWidget::saveList() { + QString filename; +// pseudo code +// filename = QLineEdit->getText(); + Config cfg( filename + ".playlist" ); + writeConfig( cfg ); +} + + +void PlayListWidget::loadList() { + QString filename; +// pseudo code +// filename = FileSelector->openFile( "*.playlist" ); + Config cfg( filename + ".playlist" ); + readConfig( cfg ); +} + + +void PlayListWidget::setPlaylist( bool shown ) { + if ( shown ) + d->playListFrame->show(); + else + d->playListFrame->hide(); +} + + +void PlayListWidget::setView( char view ) { + if ( view == 'l' ) + showMaximized(); + else + hide(); +} + |