modules/gui/qt4/components/playlist/playlist.cpp

   1 /*****************************************************************************
   2  * playlist.cpp : Custom widgets for the playlist
   3  ****************************************************************************
   4  * Copyright © 2007-2010 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *          Jean-Baptiste Kempf <jb@videolan.org>
   9  *
  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.
  14  *
  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.
  19  *
  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  *****************************************************************************/
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include "components/playlist/standardpanel.hpp"
  30 #include "components/playlist/selector.hpp"
  31 #include "components/playlist/playlist.hpp"
  32
  33 #include "input_manager.hpp" /* art signal */
  34 #include "main_interface.hpp" /* DropEvent TODO remove this*/
  35
  36 #include <QGroupBox>
  37
  38 #include <iostream>
  39 /**********************************************************************
  40  * Playlist Widget. The embedded playlist
  41  **********************************************************************/
  42
  43 PlaylistWidget::PlaylistWidget( intf_thread_t *_p_i, QWidget *_par )
  44                : QSplitter( _par ), p_intf ( _p_i )
  45 {
  46     setContentsMargins( 3, 3, 3, 3 );
  47
  48     /* Left Part and design */
  49     leftSplitter = new QSplitter( Qt::Vertical, this );
  50
  51     /* Source Selector */
  52     selector = new PLSelector( this, p_intf );
  53
  54     QLabel *selLabel = new QLabel( qtr( "Media Browser" ) );
  55     QFont font;
  56     font.setBold( true );
  57     selLabel->setFont( font );
  58     selLabel->setMargin( 5 );
  59
  60     QVBoxLayout *selBox = new QVBoxLayout();
  61     selBox->setContentsMargins(0,0,0,0);
  62     selBox->setSpacing( 0 );
  63     selBox->addWidget( selLabel );
  64     selBox->addWidget( selector );
  65
  66     QWidget *mediaBrowser = new QWidget();
  67     mediaBrowser->setLayout( selBox );
  68     leftSplitter->addWidget( mediaBrowser );
  69
  70     /* Create a Container for the Art Label
  71        in order to have a beautiful resizing for the selector above it */
  72     QWidget *artContainer = new QWidget;
  73     QHBoxLayout *artContLay = new QHBoxLayout( artContainer );
  74     artContLay->setMargin( 0 );
  75     artContLay->setSpacing( 0 );
  76     artContainer->setMaximumHeight( 128 );
  77
  78     /* Art label */
  79     art = new ArtLabel( artContainer, p_intf );
  80     art->setToolTip( qtr( "Double click to get media information" ) );
  81
  82     CONNECT( THEMIM->getIM(), artChanged( QString ),
  83              art, showArtUpdate( const QString& ) );
  84
  85     artContLay->addWidget( art, 1 );
  86
  87     leftSplitter->addWidget( artContainer );
  88
  89     /* Initialisation of the playlist */
  90     playlist_t * p_playlist = THEPL;
  91     PL_LOCK;
  92     playlist_item_t *p_root = THEPL->p_playing;
  93
  94     PL_UNLOCK;
  95
  96     rightPanel = new StandardPLPanel( this, p_intf, THEPL, p_root );
  97
  98     /* Connect the activation of the selector to a redefining of the PL */
  99     DCONNECT( selector, activated( playlist_item_t * ),
 100               rightPanel, setRoot( playlist_item_t * ) );
 101
 102     rightPanel->setRoot( p_root );
 103
 104     /* Add the two sides of the QSplitter */
 105     addWidget( leftSplitter );
 106     addWidget( rightPanel );
 107
 108     QList<int> sizeList;
 109     sizeList << 180 << 420 ;
 110     setSizes( sizeList );
 111     //setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Expanding );
 112     setStretchFactor( 0, 0 );
 113     setStretchFactor( 1, 3 );
 114     leftSplitter->setMaximumWidth( 250 );
 115     setCollapsible( 1, false );
 116
 117     /* In case we want to keep the splitter information */
 118     // components shall never write there setting to a fixed location, may infer
 119     // with other uses of the same component...
 120     getSettings()->beginGroup("Playlist");
 121     restoreState( getSettings()->value("splitterSizes").toByteArray());
 122     leftSplitter->restoreState( getSettings()->value("leftSplitterGeometry").toByteArray() );
 123     getSettings()->endGroup();
 124
 125     setAcceptDrops( true );
 126     setWindowTitle( qtr( "Playlist" ) );
 127     setWindowRole( "vlc-playlist" );
 128     setWindowIcon( QApplication::windowIcon() );
 129 }
 130
 131 PlaylistWidget::~PlaylistWidget()
 132 {
 133     getSettings()->beginGroup("Playlist");
 134     getSettings()->setValue( "splitterSizes", saveState() );
 135     getSettings()->setValue( "leftSplitterGeometry", leftSplitter->saveState() );
 136     getSettings()->endGroup();
 137     msg_Dbg( p_intf, "Playlist Destroyed" );
 138 }
 139
 140 void PlaylistWidget::dropEvent( QDropEvent *event )
 141 {
 142     if( p_intf->p_sys->p_mi )
 143         p_intf->p_sys->p_mi->dropEventPlay( event, false );
 144 }
 145 void PlaylistWidget::dragEnterEvent( QDragEnterEvent *event )
 146 {
 147     event->acceptProposedAction();
 148 }
 149
 150 void PlaylistWidget::closeEvent( QCloseEvent *event )
 151 {
 152     if( THEDP->isDying() )
 153     {
 154         p_intf->p_sys->p_mi->playlistVisible = true;
 155         event->accept();
 156     }
 157     else
 158     {
 159         p_intf->p_sys->p_mi->playlistVisible = false;
 160         hide();
 161         event->ignore();
 162     }
 163 }
 164
 165 void PlaylistWidget::forceHide()
 166 {
 167     leftSplitter->hide();
 168     rightPanel->hide();
 169     updateGeometry();
 170 }
 171
 172 void PlaylistWidget::forceShow()
 173 {
 174     leftSplitter->show();
 175     rightPanel->show();
 176     updateGeometry();
 177 }