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>
45 /**********************************************************************
46 * Playlist Widget. The embedded playlist
47 **********************************************************************/
49 PlaylistWidget::PlaylistWidget( intf_thread_t *_p_i, QWidget *_par )
50 : QWidget( _par ), p_intf ( _p_i )
53 setContentsMargins( 0, 3, 0, 3 );
55 QGridLayout *layout = new QGridLayout( this );
56 layout->setMargin( 0 ); layout->setSpacing( 0 );
61 /* We use a QSplitter for the left part */
62 leftSplitter = new QSplitter( Qt::Vertical, this );
65 PLSelector *selector = new PLSelector( this, p_intf );
66 leftSplitter->addWidget( selector);
68 /* Create a Container for the Art Label
69 in order to have a beautiful resizing for the selector above it */
70 QWidget *artContainer = new QWidget;
71 QHBoxLayout *artContLay = new QHBoxLayout( artContainer );
72 artContLay->setMargin( 0 );
73 artContLay->setSpacing( 0 );
74 artContainer->setMaximumHeight( 128 );
77 CoverArtLabel *art = new CoverArtLabel( artContainer, p_intf );
78 art->setToolTip( qtr( "Double click to get media information" ) );
79 artContLay->addWidget( art, 1 );
81 CONNECT( THEMIM->getIM(), artChanged( QString ),
82 art, showArtUpdate( const QString& ) );
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 = new PLModel( p_playlist, p_intf, p_root, this );
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 /* Button to switch views */
114 QToolButton *viewButton = new QToolButton( this );
115 viewButton->setIcon( style()->standardIcon( QStyle::SP_FileDialogDetailedView ) );
116 viewButton->setToolTip( qtr("Change playlistview") );
117 layout->addWidget( viewButton, 0, 2 );
119 /* View selection menu */
120 QSignalMapper *viewSelectionMapper = new QSignalMapper( this );
121 CONNECT( viewSelectionMapper, mapped( int ), mainView, showView( int ) );
123 QActionGroup *actionGroup = new QActionGroup( this );
125 for( int i = 0; i < StandardPLPanel::VIEW_COUNT; i++ )
127 viewActions[i] = actionGroup->addAction( viewNames[i] );
128 viewActions[i]->setCheckable( true );
129 viewSelectionMapper->setMapping( viewActions[i], i );
130 CONNECT( viewActions[i], triggered(), viewSelectionMapper, map() );
132 viewActions[0]->setChecked( true );
134 QMenu *viewMenu = new QMenu( viewButton );
135 viewMenu->addActions( actionGroup->actions() );
136 viewButton->setMenu( viewMenu );
137 CONNECT( viewButton, clicked(), mainView, cycleViews() );
140 searchEdit = new SearchLineEdit( this );
141 searchEdit->setMaximumWidth( 250 );
142 searchEdit->setMinimumWidth( 80 );
143 layout->addWidget( searchEdit, 0, 3 );
144 CONNECT( searchEdit, textChanged( const QString& ),
145 mainView, search( const QString& ) );
146 CONNECT( searchEdit, searchDelayedChanged( const QString& ),
147 mainView, searchDelayed( const QString & ) );
149 CONNECT( mainView, viewChanged( const QModelIndex& ),
150 this, changeView( const QModelIndex &) );
151 layout->setColumnStretch( 3, 3 );
153 /* Connect the activation of the selector to a redefining of the PL */
154 DCONNECT( selector, categoryActivated( playlist_item_t *, bool ),
155 mainView, setRoot( playlist_item_t *, bool ) );
156 mainView->setRoot( p_root, false );
159 split = new PlaylistSplitter( this );
161 /* Add the two sides of the QSplitter */
162 split->addWidget( leftSplitter );
163 split->addWidget( mainView );
166 sizeList << 180 << 420 ;
167 split->setSizes( sizeList );
168 split->setStretchFactor( 0, 0 );
169 split->setStretchFactor( 1, 3 );
170 split->setCollapsible( 1, false );
171 leftSplitter->setMaximumWidth( 250 );
173 /* In case we want to keep the splitter information */
174 // components shall never write there setting to a fixed location, may infer
175 // with other uses of the same component...
176 getSettings()->beginGroup("Playlist");
177 split->restoreState( getSettings()->value("splitterSizes").toByteArray());
178 leftSplitter->restoreState( getSettings()->value("leftSplitterGeometry").toByteArray() );
179 getSettings()->endGroup();
181 layout->addWidget( split, 1, 0, 1, -1 );
184 QSlider *zoomSlider = new QSlider( Qt::Horizontal, this );
185 zoomSlider->setRange( -10, 10);
186 zoomSlider->setPageStep( 3 );
187 zoomSlider->setValue( model->getZoom() );
188 CONNECT( zoomSlider, valueChanged( int ), model, changeZoom( int ) );
190 layout->addWidget( zoomSlider, 1, 3, ( Qt::AlignBottom | Qt::AlignRight ) );
192 setAcceptDrops( true );
193 setWindowTitle( qtr( "Playlist" ) );
194 setWindowRole( "vlc-playlist" );
195 setWindowIcon( QApplication::windowIcon() );
198 PlaylistWidget::~PlaylistWidget()
200 getSettings()->beginGroup("Playlist");
201 getSettings()->setValue( "splitterSizes", split->saveState() );
202 getSettings()->setValue( "leftSplitterGeometry", leftSplitter->saveState() );
203 getSettings()->endGroup();
204 msg_Dbg( p_intf, "Playlist Destroyed" );
207 void PlaylistWidget::dropEvent( QDropEvent *event )
209 if( p_intf->p_sys->p_mi )
210 p_intf->p_sys->p_mi->dropEventPlay( event, false );
212 void PlaylistWidget::dragEnterEvent( QDragEnterEvent *event )
214 event->acceptProposedAction();
217 void PlaylistWidget::closeEvent( QCloseEvent *event )
219 if( THEDP->isDying() )
221 p_intf->p_sys->p_mi->playlistVisible = true;
226 p_intf->p_sys->p_mi->playlistVisible = false;
232 void PlaylistWidget::forceHide()
234 leftSplitter->hide();
239 void PlaylistWidget::forceShow()
241 leftSplitter->show();
246 void PlaylistWidget::changeView( const QModelIndex& index )
249 locationBar->setIndex( index );
250 int i = mainView->currentViewIndex();
251 viewActions[i]->setChecked(true);
254 #include <QSignalMapper>
257 LocationBar::LocationBar( PLModel *m )
260 mapper = new QSignalMapper( this );
261 CONNECT( mapper, mapped( int ), this, invoke( int ) );
263 btnMore = new LocationButton( "...", false, true, this );
264 menuMore = new QMenu( this );
265 btnMore->setMenu( menuMore );
268 void LocationBar::setIndex( const QModelIndex &index )
270 qDeleteAll( buttons );
272 qDeleteAll( actions );
275 QModelIndex i = index;
280 PLItem *item = model->getItem( i );
283 char *fb_name = input_item_GetTitle( item->inputItem() );
284 if( EMPTY_STR( fb_name ) )
287 fb_name = input_item_GetName( item->inputItem() );
292 QAbstractButton *btn = new LocationButton( text, first, !first, this );
293 btn->setSizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
294 buttons.append( btn );
296 QAction *action = new QAction( text, this );
297 actions.append( action );
298 CONNECT( btn, clicked(), action, trigger() );
300 mapper->setMapping( action, item->id() );
301 CONNECT( action, triggered(), mapper, map() );
305 if( i.isValid() ) i = i.parent();
310 for( int a = actions.count() - 1; a >= 0 ; a-- )
312 actions[a]->setText( prefix + actions[a]->text() );
313 prefix += QString(" ");
316 if( isVisible() ) layOut( size() );
319 void LocationBar::setRootIndex()
321 setIndex( QModelIndex() );
324 void LocationBar::invoke( int i_id )
326 QModelIndex index = model->index( i_id, 0 );
327 emit invoked ( index );
330 void LocationBar::layOut( const QSize& size )
335 int count = buttons.count();
337 for( int i = 0; i < count; i++ )
339 int w = buttons[i]->sizeHint().width();
342 if( totalWidth > size.width() ) break;
346 int shown = widths.count();
348 if( totalWidth > size.width() && count > 1 )
350 QSize sz = btnMore->sizeHint();
351 btnMore->setGeometry( 0, 0, sz.width(), size.height() );
360 for( int i = count - 1; i >= 0; i-- )
362 if( totalWidth <= size.width() || i == 0)
364 buttons[i]->setGeometry( x, 0, qMin( size.width() - x, widths[i] ), size.height() );
367 totalWidth -= widths[i];
371 menuMore->addAction( actions[i] );
373 if( i < shown ) totalWidth -= widths[i];
378 void LocationBar::resizeEvent ( QResizeEvent * event )
380 layOut( event->size() );
383 QSize LocationBar::sizeHint() const
385 return btnMore->sizeHint();
388 LocationButton::LocationButton( const QString &text, bool bold,
389 bool arrow, QWidget * parent )
390 : QPushButton( parent ), b_arrow( arrow )
393 font.setBold( bold );
400 void LocationButton::paintEvent ( QPaintEvent * )
402 QStyleOptionButton option;
403 option.initFrom( this );
404 option.state |= QStyle::State_Enabled;
410 p.setRenderHint( QPainter::Antialiasing, true );
411 QColor c = palette().color( QPalette::Highlight );
413 p.setBrush( c.lighter( 150 ) );
415 p.drawRoundedRect( option.rect.adjusted( 0, 2, 0, -2 ), 5, 5 );
419 QRect r = option.rect.adjusted( PADDING, 0, -PADDING - (b_arrow ? 10 : 0), 0 );
421 QString str( text() );
422 /* This check is absurd, but either it is not done properly inside elidedText(),
423 or boundingRect() is wrong */
424 if( r.width() < fontMetrics().boundingRect( text() ).width() )
425 str = fontMetrics().elidedText( text(), Qt::ElideRight, r.width() );
426 p.drawText( r, Qt::AlignVCenter | Qt::AlignLeft, str );
430 option.rect.setWidth( 10 );
431 option.rect.moveRight( rect().right() );
432 style()->drawPrimitive( QStyle::PE_IndicatorArrowRight, &option, &p );
436 QSize LocationButton::sizeHint() const
438 QSize s( fontMetrics().boundingRect( text() ).size() );
439 /* Add two pixels to width: font metrics are buggy, if you pass text through elidation
440 with exactly the width of its bounding rect, sometimes it still elides */
441 s.setWidth( s.width() + ( 2 * PADDING ) + ( b_arrow ? 10 : 0 ) + 2 );
442 s.setHeight( s.height() + 2 * PADDING );
449 QSplitterHandle *PlaylistSplitter::createHandle()
451 return new SplitterHandle( orientation(), this );
454 SplitterHandle::SplitterHandle( Qt::Orientation orientation, QSplitter * parent )
455 : QSplitterHandle( orientation, parent)
459 QSize SplitterHandle::sizeHint() const
461 return (orientation() == Qt::Horizontal) ? QSize( 1, height() ) : QSize( width(), 1 );
464 void SplitterHandle::paintEvent(QPaintEvent *event)
466 QPainter painter( this );
467 painter.fillRect( event->rect(), QColor(81, 81, 81) );
469 #endif /* __APPLE__ */