modules/gui/qt4/dialogs/open.cpp

   1 /*****************************************************************************
   2  * open.cpp : Advanced open dialog
   3  *****************************************************************************
   4  * Copyright (C) 2006-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Jean-Baptiste Kempf <jb@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #include "input_manager.hpp"
  25
  26 #include "dialogs/open.hpp"
  27 #include "components/open.hpp"
  28
  29 #include <QTabWidget>
  30 #include <QGridLayout>
  31 #include <QFileDialog>
  32 #include <QRegExp>
  33 #include <QMenu>
  34
  35 OpenDialog *OpenDialog::instance = NULL;
  36
  37 OpenDialog::OpenDialog( QWidget *parent, intf_thread_t *_p_intf, bool modal,
  38                         int _action_flag )  :  QVLCDialog( parent, _p_intf )
  39 {
  40     setModal( modal );
  41     i_action_flag = _action_flag;
  42
  43     /* Basic Creation of the Window */
  44     ui.setupUi( this );
  45     setWindowTitle( qtr("Open" ) );
  46     resize( 410, 300);
  47
  48     /* Tab definition and creation */
  49     fileOpenPanel = new FileOpenPanel( ui.Tab, p_intf );
  50     discOpenPanel = new DiscOpenPanel( ui.Tab, p_intf );
  51     netOpenPanel = new NetOpenPanel( ui.Tab, p_intf );
  52     captureOpenPanel = new CaptureOpenPanel( ui.Tab, p_intf );
  53
  54     /* Insert the tabs */
  55     ui.Tab->insertTab( OPEN_FILE_TAB, fileOpenPanel, qtr( "&File" ) );
  56     ui.Tab->insertTab( OPEN_DISC_TAB, discOpenPanel, qtr( "&Disc" ) );
  57     ui.Tab->insertTab( OPEN_NETWORK_TAB, netOpenPanel, qtr( "&Network" ) );
  58     ui.Tab->insertTab( OPEN_CAPTURE_TAB, captureOpenPanel,
  59                                 qtr( "Capture &Device" ) );
  60
  61     /* Hide the Slave input widgets */
  62     ui.slaveLabel->hide();
  63     ui.slaveText->hide();
  64     ui.slaveBrowseButton->hide();
  65
  66     /* Hide the advancedPanel */
  67     if(! config_GetInt( p_intf, "qt-adv-options") )
  68         ui.advancedFrame->hide();
  69     else
  70         ui.advancedCheckBox->setCheckState( Qt::Checked );
  71
  72     /* Buttons Creation */
  73     QSizePolicy buttonSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );
  74     buttonSizePolicy.setHorizontalStretch(0);
  75     buttonSizePolicy.setVerticalStretch(0);
  76
  77     /* Play Button */
  78     playButton = new QToolButton( this );
  79     playButton->setText( qtr( "&Play" ) );
  80     playButton->setSizePolicy( buttonSizePolicy );
  81     playButton->setMinimumSize( QSize(90, 0) );
  82     playButton->setPopupMode( QToolButton::MenuButtonPopup );
  83     playButton->setToolButtonStyle( Qt::ToolButtonTextOnly );
  84
  85     /* Cancel Button */
  86     cancelButton = new QPushButton();
  87     cancelButton->setText( qtr( "&Cancel" ) );
  88     cancelButton->setSizePolicy( buttonSizePolicy );
  89
  90     /* Menu for the Play button */
  91     QMenu * openButtonMenu = new QMenu( "Open" );
  92     openButtonMenu->addAction( qtr("&Enqueue"), this, SLOT( enqueue() ),
  93                                     QKeySequence( "Alt+E") );
  94     openButtonMenu->addAction( qtr("&Play"), this, SLOT( play() ),
  95                                     QKeySequence( "Alt+P" ) );
  96     openButtonMenu->addAction( qtr("&Stream"), this, SLOT( stream() ) ,
  97                                     QKeySequence( "Alt+S" ) );
  98     openButtonMenu->addAction( qtr("&Convert"), this, SLOT( transcode() ) ,
  99                                     QKeySequence( "Alt+C" ) );
 100
 101     playButton->setMenu( openButtonMenu );
 102
 103     ui.buttonsBox->addButton( playButton, QDialogButtonBox::AcceptRole );
 104     ui.buttonsBox->addButton( cancelButton, QDialogButtonBox::RejectRole );
 105
 106     /* Force MRL update on tab change */
 107     CONNECT( ui.Tab, currentChanged(int), this, signalCurrent());
 108
 109     CONNECT( fileOpenPanel, mrlUpdated( QString ), this, updateMRL(QString) );
 110     CONNECT( netOpenPanel, mrlUpdated( QString ), this, updateMRL(QString) );
 111     CONNECT( discOpenPanel, mrlUpdated( QString ), this, updateMRL(QString) );
 112     CONNECT( captureOpenPanel, mrlUpdated( QString ), this, updateMRL(QString) );
 113
 114     CONNECT( fileOpenPanel, methodChanged( QString ),
 115                                                  this, newCachingMethod(QString) );
 116     CONNECT( netOpenPanel, methodChanged( QString ),
 117                                                  this, newCachingMethod(QString) );
 118     CONNECT( discOpenPanel, methodChanged( QString ),
 119                                                  this, newCachingMethod(QString) );
 120     CONNECT( captureOpenPanel, methodChanged( QString ),
 121                                                  this, newCachingMethod(QString) );
 122
 123     /* Advanced frame Connects */
 124     CONNECT( ui.slaveText, textChanged(QString), this, updateMRL());
 125     CONNECT( ui.cacheSpinBox, valueChanged(int), this, updateMRL());
 126     CONNECT( ui.startTimeSpinBox, valueChanged(int), this, updateMRL());
 127     BUTTONACT( ui.advancedCheckBox , toggleAdvancedPanel() );
 128
 129     /* Buttons action */
 130     BUTTONACT( playButton, play());
 131     BUTTONACT( cancelButton, cancel());
 132
 133     /* At creation time, modify the default buttons */
 134     if ( i_action_flag ) setMenuAction();
 135
 136     /* Initialize caching */
 137     storedMethod = "";
 138     newCachingMethod("file-caching");
 139
 140     mainHeight = advHeight = 0;
 141 }
 142
 143 OpenDialog::~OpenDialog()
 144 {
 145 }
 146
 147 /* Finish the dialog and decide if you open another one after */
 148 void OpenDialog::setMenuAction()
 149 {
 150     switch ( i_action_flag )
 151     {
 152         case OPEN_AND_STREAM:
 153             playButton->setText( qtr("&Stream") );
 154             BUTTONACT( playButton, stream() );
 155             break;
 156         case OPEN_AND_SAVE:
 157             playButton->setText( qtr("&Convert / Save") );
 158             BUTTONACT( playButton, transcode() );
 159             break;
 160         case OPEN_AND_ENQUEUE:
 161             playButton->setText( qtr("&Enqueue") );
 162             BUTTONACT( playButton, enqueue() );
 163             break;
 164         case OPEN_AND_PLAY:
 165         default:
 166             playButton->setText( qtr("&Play") );
 167             BUTTONACT( playButton, play() );
 168    }
 169 }
 170
 171 void OpenDialog::showTab( int i_tab=0 )
 172 {
 173     this->show();
 174     ui.Tab->setCurrentIndex( i_tab );
 175 }
 176
 177 void OpenDialog::signalCurrent() {
 178     if (ui.Tab->currentWidget() != NULL)
 179         (dynamic_cast<OpenPanel *>( ui.Tab->currentWidget() ))->updateMRL();
 180 }
 181
 182 void OpenDialog::toggleAdvancedPanel()
 183 {
 184     //FIXME does not work under Windows
 185     if( ui.advancedFrame->isVisible() ) {
 186         ui.advancedFrame->hide();
 187 #ifndef WIN32
 188         setMinimumHeight(1);
 189         resize( width(), mainHeight );
 190 #endif
 191     } else {
 192 #ifndef WIN32
 193         if( mainHeight == 0 )
 194             mainHeight = height();
 195 #endif
 196
 197         ui.advancedFrame->show();
 198 #ifndef WIN32
 199         if( advHeight == 0 ) {
 200             advHeight = height() - mainHeight;
 201         }
 202         resize( width(), mainHeight + advHeight );
 203 #endif
 204     }
 205 }
 206
 207 /***********
 208  * Actions *
 209  ***********/
 210
 211 /* If Cancel is pressed or escaped */
 212 void OpenDialog::cancel()
 213 {
 214     for( int i = 0; i < OPEN_TAB_MAX; i++ )
 215         dynamic_cast<OpenPanel*>(ui.Tab->widget( i ))->clear();
 216     toggleVisible();
 217     if( isModal() ) reject();
 218 }
 219
 220 /* If EnterKey is pressed */
 221 void OpenDialog::close()
 222 {
 223     /* FIXME */
 224     if ( !i_action_flag )
 225     {
 226         play();
 227     }
 228     else
 229     {
 230         stream();
 231     }
 232 }
 233
 234 /* Play button */
 235 void OpenDialog::play()
 236 {
 237     finish( false );
 238 }
 239
 240 void OpenDialog::enqueue()
 241 {
 242     finish( true );
 243 }
 244
 245 void OpenDialog::transcode()
 246 {
 247     stream( true );
 248 }
 249
 250 void OpenDialog::stream( bool b_transcode_only )
 251 {
 252     /* not finished FIXME */
 253     /* Should go through the finish function */
 254     THEDP->streamingDialog( mrl, b_transcode_only );
 255 }
 256
 257 void OpenDialog::finish( bool b_enqueue = false )
 258 {
 259     toggleVisible();
 260     mrl = ui.advancedLineInput->text();
 261
 262     if( !isModal() )
 263     {
 264         QStringList tempMRL = SeparateEntries( mrl );
 265         for( size_t i = 0; i < tempMRL.size(); i++ )
 266         {
 267             bool b_start = !i && !b_enqueue;
 268             input_item_t *p_input;
 269
 270             p_input = input_ItemNew( p_intf, qtu( tempMRL[i] ), NULL );
 271
 272             /* Insert options */
 273             while( i + 1 < tempMRL.size() && tempMRL[i + 1].startsWith( ":" ) )
 274             {
 275                 i++;
 276                 input_ItemAddOption( p_input, qtu( tempMRL[i] ) );
 277             }
 278
 279             /* Switch between enqueuing and starting the item */
 280             if( b_start )
 281             {
 282                 playlist_AddInput( THEPL, p_input,
 283                                    PLAYLIST_APPEND | PLAYLIST_GO,
 284                                    PLAYLIST_END, VLC_TRUE, VLC_FALSE );
 285             }
 286             else
 287             {
 288                 playlist_AddInput( THEPL, p_input,
 289                                    PLAYLIST_APPEND | PLAYLIST_PREPARSE,
 290                                    PLAYLIST_END, VLC_TRUE, VLC_FALSE );
 291             }
 292         }
 293     }
 294     else
 295         accept();
 296 }
 297
 298
 299 /* Update the MRL */
 300 void OpenDialog::updateMRL( QString tempMRL )
 301 {
 302     mainMRL = tempMRL;
 303     updateMRL();
 304 }
 305
 306 void OpenDialog::updateMRL() {
 307     mrl = mainMRL;
 308     if( ui.slaveCheckbox->isChecked() ) {
 309         mrl += " :input-slave=" + ui.slaveText->text();
 310     }
 311     int i_cache = config_GetInt( p_intf, qta(storedMethod) );
 312     if( i_cache != ui.cacheSpinBox->value() ) {
 313         mrl += QString(" :%1=%2").arg(storedMethod).
 314                                   arg(ui.cacheSpinBox->value());
 315     }
 316     if( ui.startTimeSpinBox->value()) {
 317         mrl += " :start-time=" + QString("%1").
 318             arg(ui.startTimeSpinBox->value());
 319     }
 320     ui.advancedLineInput->setText(mrl);
 321 }
 322
 323 void OpenDialog::newCachingMethod( QString method )
 324 {
 325     if( method != storedMethod ) {
 326         storedMethod = method;
 327         int i_value = config_GetInt( p_intf, qta( storedMethod ) );
 328         ui.cacheSpinBox->setValue( i_value );
 329     }
 330 }
 331
 332 QStringList OpenDialog::SeparateEntries( QString entries )
 333 {
 334     bool b_quotes_mode = false;
 335
 336     QStringList entries_array;
 337     QString entry;
 338
 339     int index = 0;
 340     while( index < entries.size() )
 341     {
 342         int delim_pos = entries.indexOf( QRegExp( "\\s+|\"" ), index );
 343         if( delim_pos < 0 ) delim_pos = entries.size() - 1;
 344         entry += entries.mid( index, delim_pos - index + 1 );
 345         index = delim_pos + 1;
 346
 347         if( entry.isEmpty() ) continue;
 348
 349         if( !b_quotes_mode && entry.endsWith( "\"" ) )
 350         {
 351             /* Enters quotes mode */
 352             entry.truncate( entry.size() - 1 );
 353             b_quotes_mode = true;
 354         }
 355         else if( b_quotes_mode && entry.endsWith( "\"" ) )
 356         {
 357             /* Finished the quotes mode */
 358             entry.truncate( entry.size() - 1 );
 359             b_quotes_mode = false;
 360         }
 361         else if( !b_quotes_mode && !entry.endsWith( "\"" ) )
 362         {
 363             /* we found a non-quoted standalone string */
 364             if( index < entries.size() ||
 365                 entry.endsWith( " " ) || entry.endsWith( "\t" ) ||
 366                 entry.endsWith( "\r" ) || entry.endsWith( "\n" ) )
 367                 entry.truncate( entry.size() - 1 );
 368             if( !entry.isEmpty() ) entries_array.append( entry );
 369             entry.clear();
 370         }
 371         else
 372         {;}
 373     }
 374
 375     if( !entry.isEmpty() ) entries_array.append( entry );
 376
 377     return entries_array;
 378 }