1 /*****************************************************************************
2 * playlist.cpp : Custom widgets for the playlist
3 ****************************************************************************
4 * Copyright © 2007-2010 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Jean-Baptiste Kempf <jb@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * ( at your option ) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
29 #include "components/playlist/playlist.hpp"
30 #include "components/playlist/standardpanel.hpp" /* MainView */
31 #include "components/playlist/selector.hpp" /* PLSelector */
32 #include "components/playlist/playlist_model.hpp" /* PLModel */
33 #include "components/playlist/ml_model.hpp" /* MLModel */
34 #include "components/interface_widgets.hpp" /* CoverArtLabel */
36 #include "util/searchlineedit.hpp"
38 #include "input_manager.hpp" /* art signal */
39 #include "main_interface.hpp" /* DropEvent TODO remove this*/
42 #include <QSignalMapper>
44 #include <QStackedWidget>
46 /**********************************************************************
47 * Playlist Widget. The embedded playlist
48 **********************************************************************/
50 PlaylistWidget::PlaylistWidget( intf_thread_t *_p_i, QWidget *_par )
51 : QWidget( _par ), p_intf ( _p_i )
54 setContentsMargins( 0, 3, 0, 3 );
56 QGridLayout *layout = new QGridLayout( this );
57 layout->setMargin( 0 ); layout->setSpacing( 0 );
62 /* We use a QSplitter for the left part */
63 leftSplitter = new QSplitter( Qt::Vertical, this );
66 selector = new PLSelector( this, p_intf );
67 leftSplitter->addWidget( selector );
69 /* Create a Container for the Art Label
70 in order to have a beautiful resizing for the selector above it */
71 artContainer = new QStackedWidget;
72 artContainer->setMaximumHeight( 256 );
75 CoverArtLabel *art = new CoverArtLabel( artContainer, p_intf );
76 art->setToolTip( qtr( "Double click to get media information" ) );
77 artContainer->addWidget( art );
79 CONNECT( THEMIM->getIM(), artChanged( QString ),
80 art, showArtUpdate( const QString& ) );
81 CONNECT( THEMIM->getIM(), artChanged( input_item_t * ),
82 art, showArtUpdate( input_item_t * ) );
84 leftSplitter->addWidget( artContainer );
89 /* Initialisation of the playlist */
90 playlist_t * p_playlist = THEPL;
92 playlist_item_t *p_root = p_playlist->p_playing;
95 setMinimumWidth( 400 );
97 PLModel *model = PLModel::getPLModel( p_intf );
99 MLModel *mlmodel = new MLModel( p_intf, this );
100 mainView = new StandardPLPanel( this, p_intf, p_root, selector, model, mlmodel );
102 mainView = new StandardPLPanel( this, p_intf, p_root, selector, model, NULL );
106 locationBar = new LocationBar( model );
107 locationBar->setSizePolicy( QSizePolicy::Ignored, QSizePolicy::Preferred );
108 layout->addWidget( locationBar, 0, 0, 1, 2 );
109 layout->setColumnStretch( 0, 5 );
110 CONNECT( locationBar, invoked( const QModelIndex & ),
111 mainView, browseInto( const QModelIndex & ) );
113 QHBoxLayout *topbarLayout = new QHBoxLayout();
114 layout->addLayout( topbarLayout, 0, 1 );
115 topbarLayout->setSpacing( 10 );
117 /* Button to switch views */
118 QToolButton *viewButton = new QToolButton( this );
119 viewButton->setIcon( style()->standardIcon( QStyle::SP_FileDialogDetailedView ) );
120 viewButton->setToolTip( qtr("Change playlistview") );
121 topbarLayout->addWidget( viewButton );
123 viewButton->setMenu( StandardPLPanel::viewSelectionMenu( mainView ));
124 CONNECT( viewButton, clicked(), mainView, cycleViews() );
127 searchEdit = new SearchLineEdit( this );
128 searchEdit->setMaximumWidth( 250 );
129 searchEdit->setMinimumWidth( 80 );
130 searchEdit->setToolTip( qtr("Search the playlist") );
131 topbarLayout->addWidget( searchEdit );
132 CONNECT( searchEdit, textChanged( const QString& ),
133 mainView, search( const QString& ) );
134 CONNECT( searchEdit, searchDelayedChanged( const QString& ),
135 mainView, searchDelayed( const QString & ) );
137 CONNECT( mainView, viewChanged( const QModelIndex& ),
138 this, changeView( const QModelIndex &) );
140 /* Connect the activation of the selector to a redefining of the PL */
141 DCONNECT( selector, categoryActivated( playlist_item_t *, bool ),
142 mainView, setRootItem( playlist_item_t *, bool ) );
143 mainView->setRootItem( p_root, false );
144 CONNECT( selector, SDCategorySelected(bool), mainView, setWaiting(bool) );
147 split = new PlaylistSplitter( this );
149 /* Add the two sides of the QSplitter */
150 split->addWidget( leftSplitter );
151 split->addWidget( mainView );
154 sizeList << 180 << 420 ;
155 split->setSizes( sizeList );
156 split->setStretchFactor( 0, 0 );
157 split->setStretchFactor( 1, 3 );
158 split->setCollapsible( 1, false );
159 leftSplitter->setMaximumWidth( 250 );
161 /* In case we want to keep the splitter information */
162 // components shall never write there setting to a fixed location, may infer
163 // with other uses of the same component...
164 getSettings()->beginGroup("Playlist");
165 split->restoreState( getSettings()->value("splitterSizes").toByteArray());
166 leftSplitter->restoreState( getSettings()->value("leftSplitterGeometry").toByteArray() );
167 getSettings()->endGroup();
169 layout->addWidget( split, 1, 0, 1, -1 );
171 setAcceptDrops( true );
172 setWindowTitle( qtr( "Playlist" ) );
173 setWindowRole( "vlc-playlist" );
174 setWindowIcon( QApplication::windowIcon() );
177 PlaylistWidget::~PlaylistWidget()
179 getSettings()->beginGroup("Playlist");
180 getSettings()->setValue( "splitterSizes", split->saveState() );
181 getSettings()->setValue( "leftSplitterGeometry", leftSplitter->saveState() );
182 getSettings()->endGroup();
183 msg_Dbg( p_intf, "Playlist Destroyed" );
186 void PlaylistWidget::dropEvent( QDropEvent *event )
188 if( !( selector->getCurrentItemCategory() == IS_PL ||
189 selector->getCurrentItemCategory() == IS_ML ) ) return;
191 if( p_intf->p_sys->p_mi )
192 p_intf->p_sys->p_mi->dropEventPlay( event, false,
193 (selector->getCurrentItemCategory() == IS_PL) );
195 void PlaylistWidget::dragEnterEvent( QDragEnterEvent *event )
197 event->acceptProposedAction();
200 void PlaylistWidget::closeEvent( QCloseEvent *event )
202 if( THEDP->isDying() )
204 p_intf->p_sys->p_mi->playlistVisible = true;
209 p_intf->p_sys->p_mi->playlistVisible = false;
215 void PlaylistWidget::forceHide()
217 leftSplitter->hide();
222 void PlaylistWidget::forceShow()
224 leftSplitter->show();
229 void PlaylistWidget::changeView( const QModelIndex& index )
232 locationBar->setIndex( index );
235 void PlaylistWidget::clearPlaylist()
237 PLModel::getPLModel( p_intf )->clearPlaylist();
239 #include <QSignalMapper>
242 LocationBar::LocationBar( PLModel *m )
245 mapper = new QSignalMapper( this );
246 CONNECT( mapper, mapped( int ), this, invoke( int ) );
248 btnMore = new LocationButton( "...", false, true, this );
249 menuMore = new QMenu( this );
250 btnMore->setMenu( menuMore );
253 void LocationBar::setIndex( const QModelIndex &index )
255 qDeleteAll( buttons );
257 qDeleteAll( actions );
260 QModelIndex i = index;
265 QString text = model->getTitle( i );
267 QAbstractButton *btn = new LocationButton( text, first, !first, this );
268 btn->setSizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
269 buttons.append( btn );
271 QAction *action = new QAction( text, this );
272 actions.append( action );
273 CONNECT( btn, clicked(), action, trigger() );
275 mapper->setMapping( action, model->itemId( i ) );
276 CONNECT( action, triggered(), mapper, map() );
280 if( i.isValid() ) i = i.parent();
285 for( int a = actions.count() - 1; a >= 0 ; a-- )
287 actions[a]->setText( prefix + actions[a]->text() );
288 prefix += QString(" ");
291 if( isVisible() ) layOut( size() );
294 void LocationBar::setRootIndex()
296 setIndex( QModelIndex() );
299 void LocationBar::invoke( int i_id )
301 QModelIndex index = model->index( i_id, 0 );
302 emit invoked ( index );
305 void LocationBar::layOut( const QSize& size )
310 int count = buttons.count();
312 for( int i = 0; i < count; i++ )
314 int w = buttons[i]->sizeHint().width();
317 if( totalWidth > size.width() ) break;
321 int shown = widths.count();
323 if( totalWidth > size.width() && count > 1 )
325 QSize sz = btnMore->sizeHint();
326 btnMore->setGeometry( 0, 0, sz.width(), size.height() );
335 for( int i = count - 1; i >= 0; i-- )
337 if( totalWidth <= size.width() || i == 0)
339 buttons[i]->setGeometry( x, 0, qMin( size.width() - x, widths[i] ), size.height() );
342 totalWidth -= widths[i];
346 menuMore->addAction( actions[i] );
348 if( i < shown ) totalWidth -= widths[i];
353 void LocationBar::resizeEvent ( QResizeEvent * event )
355 layOut( event->size() );
358 QSize LocationBar::sizeHint() const
360 return btnMore->sizeHint();
363 LocationButton::LocationButton( const QString &text, bool bold,
364 bool arrow, QWidget * parent )
365 : QPushButton( parent ), b_arrow( arrow )
368 font.setBold( bold );
375 void LocationButton::paintEvent ( QPaintEvent * )
377 QStyleOptionButton option;
378 option.initFrom( this );
379 option.state |= QStyle::State_Enabled;
385 p.setRenderHint( QPainter::Antialiasing, true );
386 QColor c = palette().color( QPalette::Highlight );
388 p.setBrush( c.lighter( 150 ) );
390 p.drawRoundedRect( option.rect.adjusted( 0, 2, 0, -2 ), 5, 5 );
394 QRect r = option.rect.adjusted( PADDING, 0, -PADDING - (b_arrow ? 10 : 0), 0 );
396 QString str( text() );
397 /* This check is absurd, but either it is not done properly inside elidedText(),
398 or boundingRect() is wrong */
399 if( r.width() < fontMetrics().boundingRect( text() ).width() )
400 str = fontMetrics().elidedText( text(), Qt::ElideRight, r.width() );
401 p.drawText( r, Qt::AlignVCenter | Qt::AlignLeft, str );
405 option.rect.setWidth( 10 );
406 option.rect.moveRight( rect().right() );
407 style()->drawPrimitive( QStyle::PE_IndicatorArrowRight, &option, &p );
411 QSize LocationButton::sizeHint() const
413 QSize s( fontMetrics().boundingRect( text() ).size() );
414 /* Add two pixels to width: font metrics are buggy, if you pass text through elidation
415 with exactly the width of its bounding rect, sometimes it still elides */
416 s.setWidth( s.width() + ( 2 * PADDING ) + ( b_arrow ? 10 : 0 ) + 2 );
417 s.setHeight( s.height() + 2 * PADDING );
424 QSplitterHandle *PlaylistSplitter::createHandle()
426 return new SplitterHandle( orientation(), this );
429 SplitterHandle::SplitterHandle( Qt::Orientation orientation, QSplitter * parent )
430 : QSplitterHandle( orientation, parent)
434 QSize SplitterHandle::sizeHint() const
436 return (orientation() == Qt::Horizontal) ? QSize( 1, height() ) : QSize( width(), 1 );
439 void SplitterHandle::paintEvent(QPaintEvent *event)
441 QPainter painter( this );
442 painter.fillRect( event->rect(), QColor(81, 81, 81) );
444 #endif /* __APPLE__ */