1 /*****************************************************************************
2 * standardpanel.cpp : The "standard" playlist panel : just a treeview
3 ****************************************************************************
4 * Copyright (C) 2000-2009 VideoLAN
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * JB 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 "dialogs_provider.hpp"
31 #include "components/playlist/playlist_model.hpp"
32 #include "components/playlist/standardpanel.hpp"
33 #include "components/playlist/icon_view.hpp"
34 #include "util/customwidgets.hpp"
37 #include <vlc_intf_strings.h>
39 #include <QPushButton>
40 #include <QHeaderView>
42 #include <QModelIndexList>
45 #include <QSignalMapper>
46 #include <QWheelEvent>
47 #include <QToolButton>
48 #include <QFontMetrics>
55 static const QString viewNames[] = { qtr( "Detailed View" ),
59 StandardPLPanel::StandardPLPanel( PlaylistWidget *_parent,
60 intf_thread_t *_p_intf,
61 playlist_t *p_playlist,
62 playlist_item_t *p_root ):
63 QWidget( _parent ), p_intf( _p_intf )
65 layout = new QGridLayout( this );
66 layout->setSpacing( 0 ); layout->setMargin( 0 );
67 setMinimumWidth( 300 );
73 model = new PLModel( p_playlist, p_intf, p_root, this );
75 currentRootIndexId = -1;
78 locationBar = new LocationBar( model );
79 locationBar->setSizePolicy( QSizePolicy::Ignored, QSizePolicy::Preferred );
80 layout->addWidget( locationBar, 0, 0 );
81 layout->setColumnStretch( 0, 5 );
82 CONNECT( locationBar, invoked( const QModelIndex & ),
83 this, browseInto( const QModelIndex & ) );
85 searchEdit = new SearchLineEdit( this );
86 searchEdit->setMaximumWidth( 250 );
87 searchEdit->setMinimumWidth( 80 );
88 layout->addWidget( searchEdit, 0, 2 );
89 CONNECT( searchEdit, textChanged( const QString& ),
90 this, search( const QString& ) );
91 layout->setColumnStretch( 2, 3 );
93 /* Button to switch views */
94 QToolButton *viewButton = new QToolButton( this );
95 viewButton->setIcon( style()->standardIcon( QStyle::SP_FileDialogDetailedView ) );
96 layout->addWidget( viewButton, 0, 1 );
98 /* View selection menu */
99 viewSelectionMapper = new QSignalMapper( this );
100 CONNECT( viewSelectionMapper, mapped( int ), this, showView( int ) );
102 QActionGroup *actionGroup = new QActionGroup( this );
104 for( int i = 0; i < VIEW_COUNT; i++ )
106 viewActions[i] = actionGroup->addAction( viewNames[i] );
107 viewActions[i]->setCheckable( true );
108 viewSelectionMapper->setMapping( viewActions[i], i );
109 CONNECT( viewActions[i], triggered(), viewSelectionMapper, map() );
112 BUTTONACT( viewButton, cycleViews() );
113 QMenu *viewMenu = new QMenu( this );
114 viewMenu->addActions( actionGroup->actions() );
116 viewButton->setMenu( viewMenu );
119 getSettings()->beginGroup("Playlist");
121 int i_viewMode = getSettings()->value( "view-mode", TREE_VIEW ).toInt();
122 showView( i_viewMode );
124 getSettings()->endGroup();
126 CONNECT( THEMIM, leafBecameParent( input_item_t *),
127 this, browseInto( input_item_t * ) );
129 CONNECT( model, currentChanged( const QModelIndex& ),
130 this, handleExpansion( const QModelIndex& ) );
131 CONNECT( model, rootChanged(), this, handleRootChange() );
134 StandardPLPanel::~StandardPLPanel()
136 getSettings()->beginGroup("Playlist");
138 getSettings()->setValue( "headerStateV2", treeView->header()->saveState() );
139 if( currentView == treeView )
140 getSettings()->setValue( "view-mode", TREE_VIEW );
141 else if( currentView == listView )
142 getSettings()->setValue( "view-mode", LIST_VIEW );
143 else if( currentView == iconView )
144 getSettings()->setValue( "view-mode", ICON_VIEW );
145 getSettings()->endGroup();
148 /* Unused anymore, but might be useful, like in right-click menu */
149 void StandardPLPanel::gotoPlayingItem()
151 currentView->scrollTo( model->currentIndex() );
154 void StandardPLPanel::handleExpansion( const QModelIndex& index )
156 assert( currentView );
157 currentView->scrollTo( index );
160 void StandardPLPanel::handleRootChange()
165 void StandardPLPanel::popupPlView( const QPoint &point )
167 QModelIndex index = currentView->indexAt( point );
168 QPoint globalPoint = currentView->viewport()->mapToGlobal( point );
169 QItemSelectionModel *selection = currentView->selectionModel();
170 QModelIndexList list = selection->selectedIndexes();
172 if( !model->popup( index, globalPoint, list ) )
173 QVLCMenu::PopupMenu( p_intf, true );
176 void StandardPLPanel::popupSelectColumn( QPoint pos )
181 /* We do not offer the option to hide index 0 column, or
182 * QTreeView will behave weird */
184 for( i = 1 << 1, j = 1; i < COLUMN_END; i <<= 1, j++ )
186 QAction* option = menu.addAction(
187 qfu( psz_column_title( i ) ) );
188 option->setCheckable( true );
189 option->setChecked( !treeView->isColumnHidden( j ) );
190 selectColumnsSigMapper->setMapping( option, j );
191 CONNECT( option, triggered(), selectColumnsSigMapper, map() );
193 menu.exec( QCursor::pos() );
196 void StandardPLPanel::toggleColumnShown( int i )
198 treeView->setColumnHidden( i, !treeView->isColumnHidden( i ) );
201 /* Search in the playlist */
202 void StandardPLPanel::search( const QString& searchText )
204 bool flat = currentView == iconView || currentView == listView;
205 model->search( searchText,
206 flat ? currentView->rootIndex() : QModelIndex(),
210 /* Set the root of the new Playlist */
211 /* This activated by the selector selection */
212 void StandardPLPanel::setRoot( playlist_item_t *p_item )
214 model->rebuild( p_item );
217 void StandardPLPanel::browseInto( const QModelIndex &index )
219 if( currentView == iconView || currentView == listView )
221 currentRootIndexId = model->itemId( index );;
222 currentView->setRootIndex( index );
225 locationBar->setIndex( index );
226 model->search( QString(), index, false );
230 void StandardPLPanel::browseInto( )
232 browseInto( currentRootIndexId != -1 && currentView != treeView ?
233 model->index( currentRootIndexId, 0 ) :
237 void StandardPLPanel::wheelEvent( QWheelEvent *e )
239 // Accept this event in order to prevent unwanted volume up/down changes
243 bool StandardPLPanel::eventFilter ( QObject * watched, QEvent * event )
245 if (event->type() == QEvent::KeyPress)
247 QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
248 if( keyEvent->key() == Qt::Key_Delete ||
249 keyEvent->key() == Qt::Key_Backspace )
258 void StandardPLPanel::deleteSelection()
260 QItemSelectionModel *selection = currentView->selectionModel();
261 QModelIndexList list = selection->selectedIndexes();
262 model->doDelete( list );
265 void StandardPLPanel::createIconView()
267 iconView = new PlIconView( model, this );
268 iconView->setContextMenuPolicy( Qt::CustomContextMenu );
269 CONNECT( iconView, customContextMenuRequested( const QPoint & ),
270 this, popupPlView( const QPoint & ) );
271 CONNECT( iconView, activated( const QModelIndex & ),
272 this, activate( const QModelIndex & ) );
273 iconView->installEventFilter( this );
274 layout->addWidget( iconView, 1, 0, 1, -1 );
277 void StandardPLPanel::createListView()
279 listView = new PlListView( model, this );
280 listView->setContextMenuPolicy( Qt::CustomContextMenu );
281 CONNECT( listView, customContextMenuRequested( const QPoint & ),
282 this, popupPlView( const QPoint & ) );
283 CONNECT( listView, activated( const QModelIndex & ),
284 this, activate( const QModelIndex & ) );
285 listView->installEventFilter( this );
286 layout->addWidget( listView, 1, 0, 1, -1 );
290 void StandardPLPanel::createTreeView()
292 /* Create and configure the QTreeView */
293 treeView = new QTreeView;
295 treeView->setIconSize( QSize( 20, 20 ) );
296 treeView->setAlternatingRowColors( true );
297 treeView->setAnimated( true );
298 treeView->setUniformRowHeights( true );
299 treeView->setSortingEnabled( true );
300 treeView->header()->setSortIndicator( -1 , Qt::AscendingOrder );
301 treeView->header()->setSortIndicatorShown( true );
302 treeView->header()->setClickable( true );
303 treeView->header()->setContextMenuPolicy( Qt::CustomContextMenu );
305 treeView->setSelectionBehavior( QAbstractItemView::SelectRows );
306 treeView->setSelectionMode( QAbstractItemView::ExtendedSelection );
307 treeView->setDragEnabled( true );
308 treeView->setAcceptDrops( true );
309 treeView->setDropIndicatorShown( true );
310 treeView->setContextMenuPolicy( Qt::CustomContextMenu );
312 /* setModel after setSortingEnabled(true), or the model will sort immediately! */
313 treeView->setModel( model );
315 if( getSettings()->contains( "headerStateV2" ) )
317 treeView->header()->restoreState(
318 getSettings()->value( "headerStateV2" ).toByteArray() );
322 for( int m = 1, c = 0; m != COLUMN_END; m <<= 1, c++ )
324 treeView->setColumnHidden( c, !( m & COLUMN_DEFAULT ) );
325 if( m == COLUMN_TITLE ) treeView->header()->resizeSection( c, 200 );
326 else if( m == COLUMN_DURATION ) treeView->header()->resizeSection( c, 80 );
330 /* Connections for the TreeView */
331 CONNECT( treeView, activated( const QModelIndex& ),
332 this, activate( const QModelIndex& ) );
333 CONNECT( treeView->header(), customContextMenuRequested( const QPoint & ),
334 this, popupSelectColumn( QPoint ) );
335 CONNECT( treeView, customContextMenuRequested( const QPoint & ),
336 this, popupPlView( const QPoint & ) );
337 treeView->installEventFilter( this );
339 /* SignalMapper for columns */
340 selectColumnsSigMapper = new QSignalMapper( this );
341 CONNECT( selectColumnsSigMapper, mapped( int ),
342 this, toggleColumnShown( int ) );
344 /* Finish the layout */
345 layout->addWidget( treeView, 1, 0, 1, -1 );
348 void StandardPLPanel::showView( int i_view )
354 if( treeView == NULL )
356 if( iconView ) iconView->hide();
357 if( listView ) listView->hide();
359 currentView = treeView;
360 viewActions[i_view]->setChecked( true );
365 if( iconView == NULL )
368 if( treeView ) treeView->hide();
369 if( listView ) listView->hide();
371 currentView = iconView;
372 viewActions[i_view]->setChecked( true );
377 if( listView == NULL )
380 if( treeView ) treeView->hide();
381 if( iconView ) iconView->hide();
383 currentView = listView;
384 viewActions[i_view]->setChecked( true );
394 void StandardPLPanel::cycleViews()
396 if( currentView == iconView )
397 showView( TREE_VIEW );
398 else if( currentView == treeView )
399 showView( LIST_VIEW );
400 else if( currentView == listView )
401 showView( ICON_VIEW );
406 void StandardPLPanel::activate( const QModelIndex &index )
408 if( model->hasChildren( index ) )
410 if( currentView != treeView )
415 playlist_Lock( THEPL );
416 playlist_item_t *p_item = playlist_ItemGetById( THEPL, model->itemId( index ) );
417 p_item->i_flags |= PLAYLIST_SUBITEM_STOP_FLAG;
418 lastActivatedId = p_item->p_input->i_id;
419 playlist_Unlock( THEPL );
420 model->activateItem( index );
424 void StandardPLPanel::browseInto( input_item_t *p_input )
427 if( p_input->i_id != lastActivatedId ) return;
429 playlist_Lock( THEPL );
431 playlist_item_t *p_item = playlist_ItemGetByInput( THEPL, p_input );
434 playlist_Unlock( THEPL );
438 QModelIndex index = model->index( p_item->i_id, 0 );
440 playlist_Unlock( THEPL );
442 if( currentView == treeView )
443 treeView->setExpanded( index, true );
447 lastActivatedId = -1;
452 LocationBar::LocationBar( PLModel *m )
455 mapper = new QSignalMapper( this );
456 CONNECT( mapper, mapped( int ), this, invoke( int ) );
458 box = new QHBoxLayout;
459 box->setSpacing( 0 );
460 box->setContentsMargins( 0, 0, 0, 0 );
464 void LocationBar::setIndex( const QModelIndex &index )
466 qDeleteAll( buttons );
468 QModelIndex i = index;
473 PLItem *item = model->getItem( i );
475 char *fb_name = input_item_GetTitleFbName( item->inputItem() );
476 QString text = qfu(fb_name);
478 QAbstractButton *btn = new LocationButton( text, bold, i.isValid() );
479 btn->setSizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
480 box->insertWidget( 0, btn );
481 buttons.append( btn );
483 mapper->setMapping( btn, item->id() );
484 CONNECT( btn, clicked( ), mapper, map( ) );
488 if( i.isValid() ) i = i.parent();
493 void LocationBar::setRootIndex()
495 setIndex( QModelIndex() );
498 void LocationBar::invoke( int i_id )
500 QModelIndex index = model->index( i_id, 0 );
501 emit invoked ( index );
504 LocationButton::LocationButton( const QString &text, bool bold, bool arrow )
508 font.setBold( bold );
515 void LocationButton::paintEvent ( QPaintEvent * event )
517 QStyleOptionButton option;
518 option.initFrom( this );
519 option.state |= QStyle::State_Enabled;
523 style()->drawControl( QStyle::CE_PushButtonBevel, &option, &p );
525 int margin = style()->pixelMetric(QStyle::PM_DefaultFrameWidth,0,this) + PADDING;
527 QRect rect = option.rect.adjusted( b_arrow ? 15 + margin : margin, 0, -margin, 0 );
529 QString str( text() );
530 /* This check is absurd, but either it is not done properly inside elidedText(),
531 or boundingRect() is wrong */
532 if( rect.width() < fontMetrics().boundingRect( text() ).width() )
533 str = fontMetrics().elidedText( text(), Qt::ElideRight, rect.width() );
534 p.drawText( rect, Qt::AlignVCenter | Qt::AlignLeft, str );
538 option.rect.setX( margin );
539 option.rect.setWidth( 8 );
540 style()->drawPrimitive( QStyle::PE_IndicatorArrowRight, &option, &p );
544 QSize LocationButton::sizeHint() const
546 int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth,0,this);
547 QSize s( fontMetrics().boundingRect( text() ).size() );
548 /* Add two pixels to width: font metrics are buggy, if you pass text through elidation
549 with exactly the width of its bounding rect, sometimes it still elides */
550 s.setWidth( s.width() + ( 2 * frameWidth ) + ( 2 * PADDING ) + ( b_arrow ? 15 : 0 ) + 2 );
551 s.setHeight( QPushButton::sizeHint().height() );