modules/gui/qt4/dialogs/open.cpp

   1 /*****************************************************************************
   2  * open.cpp : Advanced open dialog
   3  *****************************************************************************
   4  * Copyright © 2006-2011 the VideoLAN team
   5  *
   6  * Authors: Jean-Baptiste Kempf <jb@videolan.org>
   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
  23 #ifdef HAVE_CONFIG_H
  24 # include "config.h"
  25 #endif
  26
  27 #include "dialogs/open.hpp"
  28 #include "dialogs_provider.hpp"
  29 #include "recents.hpp"
  30 #include "util/qt_dirs.hpp"
  31
  32 #include <QTabWidget>
  33 #include <QGridLayout>
  34 #include <QRegExp>
  35 #include <QMenu>
  36
  37 #ifndef NDEBUG
  38 # define DEBUG_QT 1
  39 #endif
  40
  41 OpenDialog *OpenDialog::instance = NULL;
  42
  43 OpenDialog* OpenDialog::getInstance( QWidget *parent, intf_thread_t *p_intf,
  44         bool b_rawInstance, int _action_flag, bool b_selectMode, bool _b_pl )
  45 {
  46     /* Creation */
  47     if( !instance )
  48         instance = new OpenDialog( parent, p_intf, b_selectMode,
  49                                    _action_flag, _b_pl );
  50     else if( !b_rawInstance )
  51     {
  52         /* Request the instance but change small details:
  53            - Button menu */
  54         if( b_selectMode )
  55             _action_flag = SELECT; /* This should be useless, but we never know
  56                                       if the call is correct */
  57         instance->setWindowModality( Qt::WindowModal );
  58         instance->i_action_flag = _action_flag;
  59         instance->b_pl = _b_pl;
  60         instance->setMenuAction();
  61     }
  62     return instance;
  63 }
  64
  65 OpenDialog::OpenDialog( QWidget *parent,
  66                         intf_thread_t *_p_intf,
  67                         bool b_selectMode,
  68                         int _action_flag,
  69                         bool _b_pl)  :  QVLCDialog( parent, _p_intf )
  70 {
  71     i_action_flag = _action_flag;
  72     b_pl =_b_pl;
  73
  74     if( b_selectMode ) /* Select mode */
  75         i_action_flag = SELECT;
  76
  77     /* Basic Creation of the Window */
  78     ui.setupUi( this );
  79     setWindowTitle( qtr( "Open Media" ) );
  80     setWindowRole( "vlc-open-media" );
  81     setWindowModality( Qt::WindowModal );
  82
  83     /* Tab definition and creation */
  84     fileOpenPanel    = new FileOpenPanel( this, p_intf );
  85     discOpenPanel    = new DiscOpenPanel( this, p_intf );
  86     netOpenPanel     = new NetOpenPanel( this, p_intf );
  87     captureOpenPanel = new CaptureOpenPanel( this, p_intf );
  88
  89     /* Insert the tabs */
  90     ui.Tab->insertTab( OPEN_FILE_TAB, fileOpenPanel, QIcon( ":/type/folder-grey" ),
  91                        qtr( "&File" ) );
  92     ui.Tab->insertTab( OPEN_DISC_TAB, discOpenPanel, QIcon( ":/type/disc" ),
  93                        qtr( "&Disc" ) );
  94     ui.Tab->insertTab( OPEN_NETWORK_TAB, netOpenPanel, QIcon( ":/type/network" ),
  95                        qtr( "&Network" ) );
  96     ui.Tab->insertTab( OPEN_CAPTURE_TAB, captureOpenPanel,
  97                        QIcon( ":/type/capture-card" ), qtr( "Capture &Device" ) );
  98
  99     /* Hide the Slave input widgets */
 100     ui.slaveLabel->hide();
 101     ui.slaveText->hide();
 102     ui.slaveBrowseButton->hide();
 103
 104     /* Buttons Creation */
 105     /* Play Button */
 106     playButton = ui.playButton;
 107
 108     /* Cancel Button */
 109     cancelButton = new QPushButton( qtr( "&Cancel" ) );
 110
 111     /* Select Button */
 112     selectButton = new QPushButton( qtr( "&Select" ) );
 113
 114     /* Menu for the Play button */
 115     QMenu * openButtonMenu = new QMenu( "Open" );
 116     openButtonMenu->addAction( qtr( "&Enqueue" ), this, SLOT( enqueue() ),
 117                                     QKeySequence( "Alt+E" ) );
 118     openButtonMenu->addAction( qtr( "&Play" ), this, SLOT( play() ),
 119                                     QKeySequence( "Alt+P" ) );
 120     openButtonMenu->addAction( qtr( "&Stream" ), this, SLOT( stream() ) ,
 121                                     QKeySequence( "Alt+S" ) );
 122     openButtonMenu->addAction( qtr( "&Convert" ), this, SLOT( transcode() ) ,
 123                                     QKeySequence( "Alt+C" ) );
 124
 125     playButton->setMenu( openButtonMenu );
 126
 127     /* Add the three Buttons */
 128     ui.buttonsBox->addButton( selectButton, QDialogButtonBox::AcceptRole );
 129     ui.buttonsBox->addButton( cancelButton, QDialogButtonBox::RejectRole );
 130
 131     /* At creation time, modify the default buttons */
 132     setMenuAction();
 133
 134     /* Force MRL update on tab change */
 135     CONNECT( ui.Tab, currentChanged( int ), this, signalCurrent( int ) );
 136
 137     CONNECT( fileOpenPanel, mrlUpdated( const QStringList&, const QString& ),
 138              this, updateMRL( const QStringList&, const QString& ) );
 139     CONNECT( netOpenPanel, mrlUpdated( const QStringList&, const QString& ),
 140              this, updateMRL( const QStringList&, const QString& ) );
 141     CONNECT( discOpenPanel, mrlUpdated( const QStringList&, const QString& ),
 142              this, updateMRL( const QStringList&, const QString& ) );
 143     CONNECT( captureOpenPanel, mrlUpdated( const QStringList&, const QString& ),
 144              this, updateMRL( const QStringList&, const QString& ) );
 145
 146     CONNECT( fileOpenPanel, methodChanged( const QString& ),
 147              this, newCachingMethod( const QString& ) );
 148     CONNECT( netOpenPanel, methodChanged( const QString& ),
 149              this, newCachingMethod( const QString& ) );
 150     CONNECT( discOpenPanel, methodChanged( const QString& ),
 151              this, newCachingMethod( const QString& ) );
 152     CONNECT( captureOpenPanel, methodChanged( const QString& ),
 153              this, newCachingMethod( const QString& ) );
 154
 155     /* Advanced frame Connects */
 156     CONNECT( ui.slaveCheckbox, toggled( bool ), this, updateMRL() );
 157     CONNECT( ui.slaveText, textChanged( const QString& ), this, updateMRL() );
 158     CONNECT( ui.cacheSpinBox, valueChanged( int ), this, updateMRL() );
 159     CONNECT( ui.startTimeTimeEdit, timeChanged ( const QTime& ), this, updateMRL() );
 160     BUTTONACT( ui.advancedCheckBox, toggleAdvancedPanel() );
 161     BUTTONACT( ui.slaveBrowseButton, browseInputSlave() );
 162
 163     /* Buttons action */
 164     BUTTONACT( playButton, selectSlots() );
 165     BUTTONACT( selectButton, close() );
 166     BUTTONACT( cancelButton, cancel() );
 167
 168     /* Hide the advancedPanel */
 169     if( !getSettings()->value( "opendialog-advanced", false ).toBool())
 170     {
 171         ui.advancedFrame->hide();
 172         ui.advancedFrame->setEnabled( false );
 173     }
 174     else
 175         ui.advancedCheckBox->setChecked( true );
 176
 177     /* Initialize caching */
 178     storedMethod = "";
 179     newCachingMethod( "file-caching" );
 180
 181     /* enforce section due to .ui bug */
 182     ui.startTimeTimeEdit->setCurrentSection( QDateTimeEdit::SecondSection );
 183
 184     setMinimumSize( sizeHint() );
 185     setMaximumWidth( 900 );
 186     resize( getSettings()->value( "opendialog-size", QSize( 500, 400 ) ).toSize() );
 187 }
 188
 189 /* Finish the dialog and decide if you open another one after */
 190 void OpenDialog::setMenuAction()
 191 {
 192     if( i_action_flag == SELECT )
 193     {
 194         playButton->hide();
 195         selectButton->show();
 196         selectButton->setDefault( true );
 197     }
 198     else
 199     {
 200         switch ( i_action_flag )
 201         {
 202         case OPEN_AND_STREAM:
 203             playButton->setText( qtr( "&Stream" ) );
 204             break;
 205         case OPEN_AND_SAVE:
 206             playButton->setText( qtr( "&Convert / Save" ) );
 207             break;
 208         case OPEN_AND_ENQUEUE:
 209             playButton->setText( qtr( "&Enqueue" ) );
 210             break;
 211         case OPEN_AND_PLAY:
 212         default:
 213             playButton->setText( qtr( "&Play" ) );
 214         }
 215         playButton->show();
 216         selectButton->hide();
 217     }
 218 }
 219
 220 OpenDialog::~OpenDialog()
 221 {
 222     getSettings()->setValue( "opendialog-size", size() -
 223                  ( ui.advancedFrame->isEnabled() ?
 224                    QSize(0, ui.advancedFrame->height()) : QSize(0, 0) ) );
 225     getSettings()->setValue( "opendialog-advanced", ui.advancedFrame->isVisible() );
 226 }
 227
 228 /* Used by VLM dialog and inputSlave selection */
 229 QString OpenDialog::getMRL( bool b_all )
 230 {
 231     if( itemsMRL.count() == 0 ) return "";
 232     return b_all ? itemsMRL[0] + ui.advancedLineInput->text()
 233                  : itemsMRL[0];
 234 }
 235
 236 QString OpenDialog::getOptions()
 237 {
 238     return ui.advancedLineInput->text();
 239 }
 240
 241 void OpenDialog::showTab( int i_tab )
 242 {
 243     if( i_tab == OPEN_CAPTURE_TAB ) captureOpenPanel->initialize();
 244     ui.Tab->setCurrentIndex( i_tab );
 245     show();
 246     if( ui.Tab->currentWidget() != NULL )
 247     {
 248         OpenPanel *panel = qobject_cast<OpenPanel *>( ui.Tab->currentWidget() );
 249         assert( panel );
 250         panel->onFocus();
 251     }
 252 }
 253
 254 void OpenDialog::toggleAdvancedPanel()
 255 {
 256     if( ui.advancedFrame->isVisible() )
 257     {
 258         ui.advancedFrame->hide();
 259         ui.advancedFrame->setEnabled( false );
 260         if( size().isValid() )
 261             resize( size().width(), size().height()
 262                     - ui.advancedFrame->height() );
 263     }
 264     else
 265     {
 266         ui.advancedFrame->show();
 267         ui.advancedFrame->setEnabled( true );
 268         if( size().isValid() )
 269             resize( size().width(), size().height()
 270                     + ui.advancedFrame->height() );
 271     }
 272 }
 273
 274 void OpenDialog::browseInputSlave()
 275 {
 276     OpenDialog *od = new OpenDialog( this, p_intf, true, SELECT );
 277     od->exec();
 278     ui.slaveText->setText( od->getMRL( false ) );
 279     delete od;
 280 }
 281
 282 /* Function called on signal currentChanged triggered */
 283 void OpenDialog::signalCurrent( int i_tab )
 284 {
 285     if( i_tab == OPEN_CAPTURE_TAB ) captureOpenPanel->initialize();
 286     if( ui.Tab->currentWidget() != NULL )
 287     {
 288         OpenPanel *panel = qobject_cast<OpenPanel *>( ui.Tab->currentWidget() );
 289         assert( panel );
 290         panel->onFocus();
 291         panel->updateMRL();
 292     }
 293 }
 294
 295 /***********
 296  * Actions *
 297  ***********/
 298 /* If Cancel is pressed or escaped */
 299 void OpenDialog::cancel()
 300 {
 301     /* Clear the panels */
 302     for( int i = 0; i < OPEN_TAB_MAX; i++ )
 303         qobject_cast<OpenPanel*>( ui.Tab->widget( i ) )->clear();
 304
 305     /* Clear the variables */
 306     itemsMRL.clear();
 307     optionsMRL.clear();
 308
 309     /* If in Select Mode, reject instead of hiding */
 310     if( i_action_flag == SELECT ) reject();
 311     else hide();
 312 }
 313
 314 /* If EnterKey is pressed */
 315 void OpenDialog::close()
 316 {
 317     /* If in Select Mode, accept instead of selecting a Slot */
 318     if( i_action_flag == SELECT )
 319         accept();
 320     else
 321         selectSlots();
 322 }
 323
 324 /* Play button */
 325 void OpenDialog::selectSlots()
 326 {
 327     switch ( i_action_flag )
 328     {
 329     case OPEN_AND_STREAM:
 330         stream();
 331         break;
 332     case OPEN_AND_SAVE:
 333         transcode();
 334         break;
 335     case OPEN_AND_ENQUEUE:
 336         enqueue();
 337         break;
 338     case OPEN_AND_PLAY:
 339     default:
 340         play();
 341     }
 342 }
 343
 344 /* Play Action, called from selectSlots or play Menu */
 345 void OpenDialog::play()
 346 {
 347     enqueue( false );
 348 }
 349
 350 /* Enqueue Action, called from selectSlots or enqueue Menu */
 351 void OpenDialog::enqueue( bool b_enqueue )
 352 {
 353     toggleVisible();
 354
 355     if( i_action_flag == SELECT )
 356     {
 357         accept();
 358         return;
 359     }
 360
 361     for( int i = 0; i < OPEN_TAB_MAX; i++ )
 362         qobject_cast<OpenPanel*>( ui.Tab->widget( i ) )->onAccept();
 363
 364     /* Sort alphabetically */
 365     itemsMRL.sort();
 366
 367     /* Go through the item list */
 368     for( int i = 0; i < itemsMRL.count(); i++ )
 369     {
 370         bool b_start = !i && !b_enqueue;
 371
 372         input_item_t *p_input;
 373         p_input = input_item_New( qtu( itemsMRL[i] ), NULL );
 374
 375         /* Insert options only for the first element.
 376            We don't know how to edit that anyway. */
 377         if( i == 0 )
 378         {
 379             /* Take options from the UI, not from what we stored */
 380             QStringList optionsList = ui.advancedLineInput->text().split( " :" );
 381
 382             /* Insert options */
 383             for( int j = 0; j < optionsList.count(); j++ )
 384             {
 385                 QString qs = colon_unescape( optionsList[j] );
 386                 if( !qs.isEmpty() )
 387                 {
 388                     input_item_AddOption( p_input, qtu( qs ),
 389                                           VLC_INPUT_OPTION_TRUSTED );
 390 #ifdef DEBUG_QT
 391                     msg_Warn( p_intf, "Input option: %s", qtu( qs ) );
 392 #endif
 393                 }
 394             }
 395         }
 396
 397         /* Switch between enqueuing and starting the item */
 398         /* FIXME: playlist_AddInput() can fail */
 399         playlist_AddInput( THEPL, p_input,
 400                 PLAYLIST_APPEND | ( b_start ? PLAYLIST_GO : PLAYLIST_PREPARSE ),
 401                 PLAYLIST_END, b_pl ? true : false, pl_Unlocked );
 402         vlc_gc_decref( p_input );
 403
 404         /* Do not add the current MRL if playlist_AddInput fail */
 405         RecentsMRL::getInstance( p_intf )->addRecent( itemsMRL[i] );
 406     }
 407 }
 408
 409 void OpenDialog::transcode()
 410 {
 411     stream( true );
 412 }
 413
 414 void OpenDialog::stream( bool b_transcode_only )
 415 {
 416     QString soutMRL = getMRL( false );
 417     if( soutMRL.isEmpty() ) return;
 418     toggleVisible();
 419
 420     /* Dbg and send :D */
 421     msg_Dbg( p_intf, "MRL passed to the Sout: %s", qtu( soutMRL ) );
 422     THEDP->streamingDialog( this, soutMRL, b_transcode_only,
 423                             ui.advancedLineInput->text().split( " :" ) );
 424 }
 425
 426 /* Update the MRL items from the panels */
 427 void OpenDialog::updateMRL( const QStringList& item, const QString& tempMRL )
 428 {
 429     optionsMRL = tempMRL;
 430     itemsMRL = item;
 431     updateMRL();
 432 }
 433
 434 /* Update the complete MRL */
 435 void OpenDialog::updateMRL() {
 436     QString mrl = optionsMRL;
 437     if( ui.slaveCheckbox->isChecked() ) {
 438         mrl += " :input-slave=" + ui.slaveText->text();
 439     }
 440     mrl += QString( " :%1=%2" ).arg( storedMethod ).
 441                                 arg( ui.cacheSpinBox->value() );
 442     if( ui.startTimeTimeEdit->time() != ui.startTimeTimeEdit->minimumTime() ) {
 443         mrl += QString( " :start-time=%1.%2" )
 444                 .arg( QString::number(
 445                     ui.startTimeTimeEdit->minimumTime().secsTo(
 446                         ui.startTimeTimeEdit->time()
 447                 ) ) )
 448                .arg( ui.startTimeTimeEdit->time().msec(), 3, 10, QChar('0') );
 449     }
 450     ui.advancedLineInput->setText( mrl );
 451     ui.mrlLine->setText( itemsMRL.join( " " ) );
 452 }
 453
 454 /* Change the caching combobox */
 455 void OpenDialog::newCachingMethod( const QString& method )
 456 {
 457     if( method != storedMethod ) {
 458         storedMethod = method;
 459         int i_value = var_InheritInteger( p_intf, qtu( storedMethod ) );
 460         ui.cacheSpinBox->setValue( i_value );
 461     }
 462 }
 463
 464 /* Split the entries
 465  * FIXME! */
 466 QStringList OpenDialog::SeparateEntries( const QString& entries )
 467 {
 468     bool b_quotes_mode = false;
 469
 470     QStringList entries_array;
 471     QString entry;
 472
 473     int index = 0;
 474     while( index < entries.count() )
 475     {
 476         int delim_pos = entries.indexOf( QRegExp( "\\s+|\"" ), index );
 477         if( delim_pos < 0 ) delim_pos = entries.count() - 1;
 478         entry += entries.mid( index, delim_pos - index + 1 );
 479         index = delim_pos + 1;
 480
 481         if( entry.isEmpty() ) continue;
 482
 483         if( !b_quotes_mode && entry.endsWith( "\"" ) )
 484         {
 485             /* Enters quotes mode */
 486             entry.truncate( entry.count() - 1 );
 487             b_quotes_mode = true;
 488         }
 489         else if( b_quotes_mode && entry.endsWith( "\"" ) )
 490         {
 491             /* Finished the quotes mode */
 492             entry.truncate( entry.count() - 1 );
 493             b_quotes_mode = false;
 494         }
 495         else if( !b_quotes_mode && !entry.endsWith( "\"" ) )
 496         {
 497             /* we found a non-quoted standalone string */
 498             if( index < entries.count() ||
 499                 entry.endsWith( " " ) || entry.endsWith( "\t" ) ||
 500                 entry.endsWith( "\r" ) || entry.endsWith( "\n" ) )
 501                 entry.truncate( entry.count() - 1 );
 502             if( !entry.isEmpty() ) entries_array.append( entry );
 503             entry.clear();
 504         }
 505         else
 506         {;}
 507     }
 508
 509     if( !entry.isEmpty() ) entries_array.append( entry );
 510
 511     return entries_array;
 512 }
 513