modules/gui/qt4/dialogs/bookmarks.cpp

   1 /*****************************************************************************
   2  * bookmarks.cpp : Bookmarks
   3  ****************************************************************************
   4  * Copyright (C) 2007-2008 the VideoLAN team
   5  *
   6  * Authors: Antoine Lejeune <phytos@via.ecp.fr>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22 #ifdef HAVE_CONFIG_H
  23 # include "config.h"
  24 #endif
  25
  26 #include "dialogs/bookmarks.hpp"
  27 #include "dialogs_provider.hpp"
  28 #include "input_manager.hpp"
  29
  30 #include <QGridLayout>
  31 #include <QSpacerItem>
  32 #include <QPushButton>
  33
  34 BookmarksDialog *BookmarksDialog::instance = NULL;
  35
  36 BookmarksDialog::BookmarksDialog( intf_thread_t *_p_intf ):QVLCFrame( _p_intf )
  37 {
  38     setWindowFlags( Qt::Tool );
  39     setWindowOpacity( config_GetFloat( p_intf, "qt-opacity" ) );
  40     setWindowTitle( qtr( "Edit Bookmarks" ) );
  41
  42     QGridLayout *layout = new QGridLayout( this );
  43
  44     QPushButton *addButton = new QPushButton( qtr( "Create" ) );
  45     addButton->setToolTip( qtr( "Create a new bookmark" ) );
  46     QPushButton *delButton = new QPushButton( qtr( "Delete" ) );
  47     delButton->setToolTip( qtr( "Delete the selected item" ) );
  48     QPushButton *clearButton = new QPushButton( qtr( "Clear" ) );
  49     clearButton->setToolTip( qtr( "Delete all the bookmarks" ) );
  50 #if 0
  51     QPushButton *extractButton = new QPushButton( qtr( "Extract" ) );
  52     extractButton->setToolTip( qtr() );
  53 #endif
  54     QPushButton *closeButton = new QPushButton( qtr( "&Close" ) );
  55
  56     bookmarksList = new QTreeWidget( this );
  57     bookmarksList->setRootIsDecorated( false );
  58     bookmarksList->setAlternatingRowColors( true );
  59     bookmarksList->setSelectionMode( QAbstractItemView::ExtendedSelection );
  60     bookmarksList->setSelectionBehavior( QAbstractItemView::SelectRows );
  61     bookmarksList->setEditTriggers( QAbstractItemView::SelectedClicked );
  62     bookmarksList->setColumnCount( 3 );
  63     bookmarksList->resize( sizeHint() );
  64
  65     QStringList headerLabels;
  66     headerLabels << qtr( "Description" );
  67     headerLabels << qtr( "Bytes" );
  68     headerLabels << qtr( "Time" );
  69     bookmarksList->setHeaderLabels( headerLabels );
  70
  71
  72     layout->addWidget( addButton, 0, 0 );
  73     layout->addWidget( delButton, 1, 0 );
  74     layout->addWidget( clearButton, 2, 0 );
  75     layout->addItem( new QSpacerItem( 20, 20, QSizePolicy::Expanding ), 4, 0 );
  76 #if 0
  77     layout->addWidget( extractButton, 5, 0 );
  78 #endif
  79     layout->addWidget( bookmarksList, 0, 1, 6, 2);
  80     layout->setColumnStretch( 1, 1 );
  81     layout->addWidget( closeButton, 7, 2 );
  82
  83     CONNECT( bookmarksList, activated( QModelIndex ), this,
  84              activateItem( QModelIndex ) );
  85     CONNECT( bookmarksList, itemChanged( QTreeWidgetItem*, int ),
  86              this, edit( QTreeWidgetItem*, int ) );
  87
  88     BUTTONACT( addButton, add() );
  89     BUTTONACT( delButton, del() );
  90     BUTTONACT( clearButton, clear() );
  91 #if 0
  92     BUTTONACT( extractButton, extract() );
  93 #endif
  94     BUTTONACT( closeButton, close() );
  95
  96     readSettings( "Bookmarks", QSize( 435, 206 ) );
  97     updateGeometry();
  98 }
  99
 100 BookmarksDialog::~BookmarksDialog()
 101 {
 102     writeSettings( "Bookmarks" );
 103 }
 104
 105 void BookmarksDialog::update()
 106 {
 107     input_thread_t *p_input = THEMIM->getInput();
 108     if( !p_input ) return;
 109
 110     seekpoint_t **pp_bookmarks;
 111     int i_bookmarks;
 112
 113     if( bookmarksList->topLevelItemCount() > 0 )
 114     {
 115         bookmarksList->model()->removeRows( 0, bookmarksList->topLevelItemCount() );
 116     }
 117
 118     if( input_Control( p_input, INPUT_GET_BOOKMARKS, &pp_bookmarks,
 119                        &i_bookmarks ) != VLC_SUCCESS )
 120         return;
 121
 122     for( int i = 0; i < i_bookmarks; i++ )
 123     {
 124         // List with the differents elements of the row
 125         QStringList row;
 126         row << QString( pp_bookmarks[i]->psz_name );
 127         row << QString( "%1" ).arg( pp_bookmarks[i]->i_byte_offset );
 128         row << QString( "%1" ).arg( pp_bookmarks[i]->i_time_offset / 1000000 );
 129         QTreeWidgetItem *item = new QTreeWidgetItem( bookmarksList, row );
 130         item->setFlags( Qt::ItemIsSelectable | Qt::ItemIsEditable |
 131                         Qt::ItemIsUserCheckable | Qt::ItemIsEnabled);
 132         bookmarksList->insertTopLevelItem( i, item );
 133     }
 134
 135 }
 136
 137 void BookmarksDialog::add()
 138 {
 139     input_thread_t *p_input = THEMIM->getInput();
 140     if( !p_input ) return;
 141
 142     seekpoint_t bookmark;
 143     vlc_value_t pos;
 144     bookmark.psz_name = qtu( THEMIM->getIM()->getName() +
 145                     QString("_%1" ).arg( bookmarksList->topLevelItemCount() ) );
 146     bookmark.i_byte_offset = 0;
 147     bookmark.i_time_offset = 0;
 148
 149     input_Control( p_input, INPUT_GET_BYTE_POSITION, &bookmark.i_byte_offset );
 150     var_Get( p_input, "time", &pos );
 151     bookmark.i_time_offset = pos.i_time;
 152     input_Control( p_input, INPUT_ADD_BOOKMARK, &bookmark );
 153
 154     update();
 155
 156 }
 157
 158 void BookmarksDialog::del()
 159 {
 160     input_thread_t *p_input = THEMIM->getInput();
 161     if( !p_input ) return;
 162
 163     int i_focused = bookmarksList->currentIndex().row();
 164
 165     if( i_focused >= 0 )
 166     {
 167         input_Control( p_input, INPUT_DEL_BOOKMARK, i_focused );
 168     }
 169
 170     update();
 171 }
 172
 173 void BookmarksDialog::clear()
 174 {
 175     input_thread_t *p_input = THEMIM->getInput();
 176     if( !p_input ) return;
 177
 178     input_Control( p_input, INPUT_CLEAR_BOOKMARKS );
 179
 180     update();
 181 }
 182
 183 void BookmarksDialog::edit( QTreeWidgetItem *item, int column )
 184 {
 185     // We can only edit a item if it is the last item selected
 186     if( bookmarksList->selectedItems().isEmpty() ||
 187         bookmarksList->selectedItems().last() != item )
 188         return;
 189
 190     input_thread_t *p_input = THEMIM->getInput();
 191     if( !p_input ) return;
 192
 193     // We get the row number of the item
 194     int i_edit = bookmarksList->indexOfTopLevelItem( item );
 195
 196     // We get the bookmarks list
 197     seekpoint_t **pp_bookmarks;
 198     int i_bookmarks;
 199
 200     if( input_Control( p_input, INPUT_GET_BOOKMARKS, &pp_bookmarks,
 201                        &i_bookmarks ) != VLC_SUCCESS )
 202         return;
 203
 204     if( i_edit >= i_bookmarks )
 205         return;
 206
 207     // We modify the seekpoint
 208     seekpoint_t *p_seekpoint = pp_bookmarks[i_edit];
 209     if( column == 0 )
 210         p_seekpoint->psz_name = strdup( qtu( item->text( column ) ) );
 211     else if( column == 1 )
 212         p_seekpoint->i_byte_offset = atoi( qtu( item->text( column ) ) );
 213     else if( column == 2 )
 214         p_seekpoint->i_time_offset = 1000000 * atoll( qtu( item->text( column ) ) );
 215
 216     if( input_Control( p_input, INPUT_CHANGE_BOOKMARK, p_seekpoint, i_edit ) !=
 217         VLC_SUCCESS )
 218         return;
 219
 220     update();
 221
 222 }
 223
 224 void BookmarksDialog::extract()
 225 {
 226     // TODO
 227 }
 228
 229 void BookmarksDialog::activateItem( QModelIndex index )
 230 {
 231     input_thread_t *p_input = THEMIM->getInput();
 232     if( !p_input ) return;
 233
 234     input_Control( p_input, INPUT_SET_BOOKMARK, index.row() );
 235 }