git.sesse.net Git - vlc/blob - modules/gui/qt4/main_interface.cpp

   1 /*****************************************************************************
   2  * main_inteface.cpp : Main interface
   3  ****************************************************************************
   4  * Copyright (C) 2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@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 #include "qt4.hpp"
  24 #include "main_interface.hpp"
  25 #include "input_manager.hpp"
  26 #include "util/input_slider.hpp"
  27 #include "util/qvlcframe.hpp"
  28 #include "util/customwidgets.hpp"
  29 #include "dialogs_provider.hpp"
  30 #include "components/interface_widgets.hpp"
  31 #include "dialogs/playlist.hpp"
  32 #include "menus.hpp"
  33
  34 #include <QMenuBar>
  35 #include <QCloseEvent>
  36 #include <QPushButton>
  37 #include <QStatusBar>
  38 #include <QKeyEvent>
  39 #include <QUrl>
  40
  41 #include <assert.h>
  42 #include <vlc_keys.h>
  43 #include <vlc/vout.h>
  44 #include <aout_internal.h>
  45
  46 #ifdef WIN32
  47     #define PREF_W 410
  48     #define PREF_H 121
  49 #else
  50     #define PREF_W 450
  51     #define PREF_H 125
  52 #endif
  53
  54 #define VISIBLE(i) (i && i->isVisible())
  55
  56 #define SET_WIDTH(i,j) i->widgetSize.setWidth(j)
  57 #define SET_HEIGHT(i,j) i->widgetSize.setHeight(j)
  58 #define SET_WH( i,j,k) i->widgetSize.setWidth(j); i->widgetSize.setHeight(k);
  59
  60 #define DS(i) i.width(),i.height()
  61
  62 static int InteractCallback( vlc_object_t *, const char *, vlc_value_t,
  63                              vlc_value_t, void *);
  64 /* Video handling */
  65 static void *DoRequest( intf_thread_t *p_intf, vout_thread_t *p_vout,
  66                         int *pi1, int *pi2, unsigned int*pi3,unsigned int*pi4)
  67 {
  68     return p_intf->p_sys->p_mi->requestVideo( p_vout, pi1, pi2, pi3, pi4 );
  69 }
  70 static void DoRelease( intf_thread_t *p_intf, void *p_win )
  71 {
  72     return p_intf->p_sys->p_mi->releaseVideo( p_win );
  73 }
  74 static int DoControl( intf_thread_t *p_intf, void *p_win, int i_q, va_list a )
  75 {
  76     return p_intf->p_sys->p_mi->controlVideo( p_win, i_q, a );
  77 }
  78
  79 bool embeddedPlaylistWasActive;
  80 bool videoIsActive;
  81 QSize savedVideoSize;
  82
  83 MainInterface::MainInterface( intf_thread_t *_p_intf ) : QVLCMW( _p_intf )
  84 {
  85     /* Configuration */
  86     settings = new QSettings( "VideoLAN", "VLC" );
  87     settings->beginGroup( "MainWindow" );
  88
  89     need_components_update = false;
  90     bgWidget = NULL; videoWidget = NULL; playlistWidget = NULL;
  91     embeddedPlaylistWasActive = videoIsActive = false;
  92
  93     videoEmbeddedFlag = false;
  94     if( config_GetInt( p_intf, "embedded-video" ) ) videoEmbeddedFlag = true;
  95
  96     alwaysVideoFlag = false;
  97     if( videoEmbeddedFlag && config_GetInt( p_intf, "qt-always-video" ))
  98         alwaysVideoFlag = true;
  99
 100     playlistEmbeddedFlag = settings->value("playlist-embedded", true).toBool();
 101     advControlsEnabled= settings->value( "adv-controls", false ).toBool();
 102     visualSelectorEnabled= settings->value( "visual-selector", false ).toBool();
 103
 104     /* UI */
 105     setWindowTitle( QString::fromUtf8( _("VLC media player") ) );
 106     handleMainUi( settings );
 107     QVLCMenu::createMenuBar( this, p_intf, playlistEmbeddedFlag,
 108                              advControlsEnabled, visualSelectorEnabled );
 109     timeLabel = new QLabel( 0 );
 110     nameLabel = new QLabel( 0 );
 111     statusBar()->addWidget( nameLabel, 4 );
 112     statusBar()->addPermanentWidget( timeLabel, 1 );
 113
 114     setFocusPolicy( Qt::StrongFocus );
 115     setAcceptDrops(true);
 116
 117     /* Init input manager */
 118     MainInputManager::getInstance( p_intf );
 119     ON_TIMEOUT( updateOnTimer() );
 120
 121     /* Volume control */
 122     CONNECT( ui.volumeSlider, valueChanged(int), this, updateVolume(int) );
 123     /* Connect the input manager to the GUI elements it manages */
 124     CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
 125              slider, setPosition( float,int, int ) );
 126     CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
 127              this, setDisplay( float, int, int ) );
 128     CONNECT( THEMIM->getIM(), nameChanged( QString ), this,setName( QString ) );
 129     CONNECT( THEMIM->getIM(), statusChanged( int ), this, setStatus( int ) );
 130     CONNECT( slider, sliderDragged( float ),
 131              THEMIM->getIM(), sliderUpdate( float ) );
 132
 133     var_Create( p_intf, "interaction", VLC_VAR_ADDRESS );
 134     var_AddCallback( p_intf, "interaction", InteractCallback, this );
 135     p_intf->b_interaction = VLC_TRUE;
 136 }
 137
 138 MainInterface::~MainInterface()
 139 {
 140     settings->setValue( "playlist-embedded", playlistEmbeddedFlag );
 141     settings->setValue( "adv-controls", advControlsEnabled );
 142     settings->setValue( "pos", pos() );
 143     settings->endGroup();
 144     delete settings;
 145     p_intf->b_interaction = VLC_FALSE;
 146     var_DelCallback( p_intf, "interaction", InteractCallback, this );
 147
 148     p_intf->pf_request_window = NULL;
 149     p_intf->pf_release_window = NULL;
 150     p_intf->pf_control_window = NULL;
 151 }
 152
 153 void MainInterface::handleMainUi( QSettings *settings )
 154 {
 155     QWidget *main = new QWidget( this );
 156     setCentralWidget( main );
 157     ui.setupUi( centralWidget() );
 158
 159     slider = new InputSlider( Qt::Horizontal, NULL );
 160     ui.hboxLayout->insertWidget( 0, slider );
 161
 162     BUTTON_SET_ACT_I( ui.prevButton, "" , previous.png,
 163                       qtr("Previous"), prev() );
 164     BUTTON_SET_ACT_I( ui.nextButton, "", next.png, qtr("Next"), next() );
 165     BUTTON_SET_ACT_I( ui.playButton, "", play.png, qtr("Play"), play() );
 166     BUTTON_SET_ACT_I( ui.stopButton, "", stop.png, qtr("Stop"), stop() );
 167
 168     /* Volume */
 169     ui.volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-low.png" ) );
 170     ui.volumeSlider->setMaximum( 100 );
 171     ui.volMuteLabel->setToolTip( qtr( "Mute" ) );
 172     VolumeClickHandler *h = new VolumeClickHandler( p_intf, this );
 173     ui.volMuteLabel->installEventFilter(h);
 174     ui.volumeSlider->setFocusPolicy( Qt::NoFocus );
 175
 176     BUTTON_SET_IMG( ui.playlistButton, "" ,volume-low.png,
 177                         playlistEmbeddedFlag ?  qtr( "Show playlist" ) :
 178                                                 qtr( "Open playlist" ) );
 179     BUTTONACT( ui.playlistButton, playlist() );
 180
 181     /* Set initial size */
 182     resize ( PREF_W, PREF_H );
 183
 184     addSize = QSize( ui.vboxLayout->margin() * 2, PREF_H );
 185
 186     advControls = new ControlsWidget( p_intf );
 187     ui.vboxLayout->insertWidget( 0, advControls );
 188     advControls->updateGeometry();
 189     if( !advControlsEnabled ) advControls->hide();
 190     need_components_update = true;
 191
 192     visualSelector = new VisualSelector( p_intf );
 193     ui.vboxLayout->insertWidget( 0, visualSelector );
 194     visualSelector->hide();
 195
 196     if( alwaysVideoFlag )
 197     {
 198         bgWidget = new BackgroundWidget( p_intf );
 199         bgWidget->widgetSize = settings->value( "backgroundSize",
 200                                                 QSize( 200, 200 ) ).toSize();
 201         bgWidget->resize( bgWidget->widgetSize );
 202         bgWidget->updateGeometry();
 203         ui.vboxLayout->insertWidget( 0, bgWidget );
 204     }
 205
 206     if( videoEmbeddedFlag )
 207     {
 208         videoWidget = new VideoWidget( p_intf );
 209         videoWidget->widgetSize = QSize( 1, 1 );
 210         videoWidget->resize( videoWidget->widgetSize );
 211         ui.vboxLayout->insertWidget( 0, videoWidget );
 212
 213         p_intf->pf_request_window  = ::DoRequest;
 214         p_intf->pf_release_window  = ::DoRelease;
 215         p_intf->pf_control_window  = ::DoControl;
 216     }
 217     setMinimumSize( PREF_W, addSize.height() );
 218 }
 219
 220 /**********************************************************************
 221  * Handling of the components
 222  **********************************************************************/
 223 void MainInterface::calculateInterfaceSize()
 224 {
 225     int width = 0, height = 0;
 226     if( VISIBLE( bgWidget ) )
 227     {
 228         width = bgWidget->widgetSize.width();
 229         height = bgWidget->widgetSize.height();
 230         assert( !(playlistWidget && playlistWidget->isVisible() ) );
 231     }
 232     else if( VISIBLE( playlistWidget ) )
 233     {
 234         width = playlistWidget->widgetSize.width();
 235         height = playlistWidget->widgetSize.height();
 236     }
 237     else if( videoIsActive )
 238     {
 239         width =  videoWidget->widgetSize.width() ;
 240         height = videoWidget->widgetSize.height();
 241     }
 242     else
 243     {
 244         width = PREF_W - addSize.width();
 245         height = PREF_H - addSize.height();
 246     }
 247     if( VISIBLE( visualSelector ) )
 248         height += visualSelector->height();
 249     if( VISIBLE( advControls) )
 250     {
 251         height += advControls->sizeHint().height();
 252     }
 253     mainSize = QSize( width + addSize.width(), height + addSize.height() );
 254 }
 255
 256 void MainInterface::resizeEvent( QResizeEvent *e )
 257 {
 258     videoWidget->widgetSize.setWidth(  e->size().width() - addSize.width() );
 259     if( videoWidget && videoIsActive && videoWidget->widgetSize.height() > 1 )
 260     {
 261         SET_WH( videoWidget, e->size().width() - addSize.width(),
 262                              e->size().height()  - addSize.height() );
 263         videoWidget->updateGeometry();
 264     }
 265     if( VISIBLE( playlistWidget ) )
 266     {
 267         SET_WH( playlistWidget , e->size().width() - addSize.width(),
 268                                  e->size().height() - addSize.height() );
 269         playlistWidget->updateGeometry();
 270     }
 271 }
 272
 273 void *MainInterface::requestVideo( vout_thread_t *p_nvout, int *pi_x,
 274                                    int *pi_y, unsigned int *pi_width,
 275                                    unsigned int *pi_height )
 276 {
 277     void *ret = videoWidget->request( p_nvout,pi_x, pi_y, pi_width, pi_height );
 278     if( ret )
 279     {
 280         videoIsActive = true;
 281         if( VISIBLE( playlistWidget ) )
 282         {
 283             embeddedPlaylistWasActive = true;
 284             playlistWidget->hide();
 285         }
 286         bool bgWasVisible = false;
 287         if( VISIBLE( bgWidget) )
 288         {
 289             bgWasVisible = true;
 290             bgWidget->hide();
 291         }
 292         if( THEMIM->getIM()->hasVideo() || !bgWasVisible )
 293         {
 294             videoWidget->widgetSize = QSize( *pi_width, *pi_height );
 295         }
 296         else /* Background widget available, use its size */
 297         {
 298             /* Ok, our visualizations are bad, so don't do this for the moment
 299              * use the requested size anyway */
 300             // videoWidget->widgetSize = bgWidget->widgeTSize;
 301             videoWidget->widgetSize = QSize( *pi_width, *pi_height );
 302         }
 303         videoWidget->updateGeometry(); /// FIXME: Needed ?
 304         need_components_update = true;
 305     }
 306     return ret;
 307 }
 308
 309 void MainInterface::releaseVideo( void *p_win )
 310 {
 311     videoWidget->release( p_win );
 312     videoWidget->widgetSize = QSize( 0, 0 );
 313     videoWidget->resize( videoWidget->widgetSize );
 314
 315     if( embeddedPlaylistWasActive )
 316         playlistWidget->show();
 317     else if( bgWidget )
 318         bgWidget->show();
 319
 320     videoIsActive = false;
 321     need_components_update = true;
 322 }
 323
 324 int MainInterface::controlVideo( void *p_window, int i_query, va_list args )
 325 {
 326     int i_ret = VLC_EGENERIC;
 327     switch( i_query )
 328     {
 329         case VOUT_GET_SIZE:
 330         {
 331             unsigned int *pi_width  = va_arg( args, unsigned int * );
 332             unsigned int *pi_height = va_arg( args, unsigned int * );
 333             *pi_width = videoWidget->widgetSize.width();
 334             *pi_height = videoWidget->widgetSize.height();
 335             i_ret = VLC_SUCCESS;
 336             break;
 337         }
 338         case VOUT_SET_SIZE:
 339         {
 340             unsigned int i_width  = va_arg( args, unsigned int );
 341             unsigned int i_height = va_arg( args, unsigned int );
 342             videoWidget->widgetSize = QSize( i_width, i_height );
 343             videoWidget->updateGeometry();
 344             need_components_update = true;
 345             i_ret = VLC_SUCCESS;
 346             break;
 347         }
 348         case VOUT_SET_STAY_ON_TOP:
 349         default:
 350             msg_Warn( p_intf, "unsupported control query" );
 351             break;
 352     }
 353     return i_ret;
 354 }
 355
 356 void MainInterface::advanced()
 357 {
 358     if( !VISIBLE( advControls ) )
 359     {
 360         advControls->show();
 361         advControlsEnabled = true;
 362     }
 363     else
 364     {
 365         advControls->hide();
 366         advControlsEnabled = false;
 367     }
 368     doComponentsUpdate();
 369 }
 370
 371 void MainInterface::visual()
 372 {
 373     if( !VISIBLE( visualSelector) )
 374     {
 375         visualSelector->show();
 376         if( !THEMIM->getIM()->hasVideo() )
 377         {
 378             /* Show the background widget */
 379         }
 380         visualSelectorEnabled = true;
 381     }
 382     else
 383     {
 384         /* Stop any currently running visualization */
 385         visualSelector->hide();
 386         visualSelectorEnabled = false;
 387     }
 388     doComponentsUpdate();
 389 }
 390
 391 void MainInterface::playlist()
 392 {
 393     // Toggle the playlist dialog
 394     if( !playlistEmbeddedFlag )
 395     {
 396         if( playlistWidget )
 397         {
 398             /// \todo Destroy it
 399         }
 400         THEDP->playlistDialog();
 401         return;
 402     }
 403
 404     if( !playlistWidget )
 405     {
 406         PlaylistDialog::killInstance();
 407         playlistWidget = new PlaylistWidget( p_intf );
 408         ui.vboxLayout->insertWidget( 0, playlistWidget );
 409         playlistWidget->widgetSize = settings->value( "playlistSize",
 410                                                QSize( 650, 310 ) ).toSize();
 411         playlistWidget->hide();
 412     }
 413     if( VISIBLE( playlistWidget ) )
 414     {
 415         playlistWidget->hide();
 416         if( videoIsActive )
 417         {
 418             videoWidget->widgetSize = savedVideoSize;
 419             videoWidget->resize( videoWidget->widgetSize );
 420             videoWidget->updateGeometry();
 421         }
 422     }
 423     else
 424     {
 425         playlistWidget->show();
 426         if( videoIsActive )
 427         {
 428             savedVideoSize = videoWidget->widgetSize;
 429             videoWidget->widgetSize.setHeight( 0 );
 430             videoWidget->resize( videoWidget->widgetSize );
 431             videoWidget->updateGeometry();
 432         }
 433         if( VISIBLE( bgWidget ) ) bgWidget->hide();
 434     }
 435     doComponentsUpdate();
 436 }
 437
 438 /* Video widget cannot do this synchronously as it runs in another thread */
 439 /* Well, could it, actually ? Probably dangerous ... */
 440 void MainInterface::doComponentsUpdate()
 441 {
 442     calculateInterfaceSize();
 443     resize( mainSize );
 444 }
 445
 446 void MainInterface::undockPlaylist()
 447 {
 448     if( playlistWidget )
 449     {
 450         playlistWidget->hide();
 451         playlistWidget->deleteLater();
 452         ui.vboxLayout->removeWidget( playlistWidget );
 453         playlistWidget = NULL;
 454         playlistEmbeddedFlag = false;
 455
 456         menuBar()->clear();
 457         QVLCMenu::createMenuBar( this, p_intf, false, advControlsEnabled,
 458                                  visualSelectorEnabled);
 459
 460         if( videoIsActive )
 461         {
 462             videoWidget->widgetSize = savedVideoSize;
 463             videoWidget->resize( videoWidget->widgetSize );
 464             videoWidget->updateGeometry();
 465         }
 466
 467         doComponentsUpdate();
 468         THEDP->playlistDialog();
 469     }
 470 }
 471
 472 void MainInterface::customEvent( QEvent *event )
 473 {
 474     if( event->type() == PLDockEvent_Type )
 475     {
 476         PlaylistDialog::killInstance();
 477         playlistEmbeddedFlag = true;
 478         menuBar()->clear();
 479         QVLCMenu::createMenuBar(this, p_intf, true, advControlsEnabled,
 480                                 visualSelectorEnabled);
 481         playlist();
 482     }
 483 }
 484
 485
 486 /************************************************************************
 487  * D&D
 488  ************************************************************************/
 489 void MainInterface::dropEvent(QDropEvent *event)
 490 {
 491      const QMimeData *mimeData = event->mimeData();
 492
 493      /* D&D of a subtitles file, add it on the fly */
 494      if( mimeData->urls().size() == 1 )
 495      {
 496         if( THEMIM->getIM()->hasInput() )
 497         {
 498             if( input_AddSubtitles( THEMIM->getInput(),
 499                                     qtu( mimeData->urls()[0].toString() ),
 500                                     VLC_TRUE ) )
 501             {
 502                 event->acceptProposedAction();
 503                 return;
 504             }
 505         }
 506      }
 507      bool first = true;
 508      foreach( QUrl url, mimeData->urls() ) {
 509         QString s = url.toString();
 510         if( s.length() > 0 ) {
 511             playlist_PlaylistAdd( THEPL, qtu(s), NULL,
 512                                   PLAYLIST_APPEND | (first ? PLAYLIST_GO:0),
 513                                   PLAYLIST_END );
 514             first = false;
 515         }
 516      }
 517      event->acceptProposedAction();
 518 }
 519 void MainInterface::dragEnterEvent(QDragEnterEvent *event)
 520 {
 521      event->acceptProposedAction();
 522 }
 523 void MainInterface::dragMoveEvent(QDragMoveEvent *event)
 524 {
 525      event->acceptProposedAction();
 526 }
 527 void MainInterface::dragLeaveEvent(QDragLeaveEvent *event)
 528 {
 529      event->accept();
 530 }
 531
 532 /************************************************************************
 533  * Other stuff
 534  ************************************************************************/
 535 void MainInterface::keyPressEvent( QKeyEvent *e )
 536 {
 537     int i_vlck = qtEventToVLCKey( e );
 538     if( i_vlck >= 0 )
 539     {
 540         var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlck );
 541         e->accept();
 542     }
 543     else
 544         e->ignore();
 545 }
 546
 547 void MainInterface::stop()
 548 {
 549     playlist_Stop( THEPL );
 550 }
 551 void MainInterface::play()
 552 {
 553     if( !playlist_IsEmpty(THEPL) || !THEPL->i_enabled )
 554     {
 555         /* The playlist is empty, open a file requester */
 556         THEDP->simpleOpenDialog();
 557         setStatus( 0 );
 558         return;
 559     }
 560     THEMIM->togglePlayPause();
 561 }
 562 void MainInterface::prev()
 563 {
 564     playlist_Prev( THEPL );
 565 }
 566 void MainInterface::next()
 567 {
 568     playlist_Next( THEPL );
 569 }
 570
 571 void MainInterface::setDisplay( float pos, int time, int length )
 572 {
 573     char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
 574     secstotimestr( psz_length, length );
 575     secstotimestr( psz_time, time );
 576     QString title;
 577     title.sprintf( "%s/%s", psz_time, psz_length );
 578     timeLabel->setText( " "+title+" " );
 579 }
 580
 581 void MainInterface::setName( QString name )
 582 {
 583     nameLabel->setText( " " + name+" " );
 584 }
 585
 586 void MainInterface::setStatus( int status )
 587 {
 588     if( status == 1 ) // Playing
 589         ui.playButton->setIcon( QIcon( ":/pixmaps/pause.png" ) );
 590     else
 591         ui.playButton->setIcon( QIcon( ":/pixmaps/play.png" ) );
 592 }
 593
 594 static bool b_my_volume;
 595
 596 void MainInterface::updateOnTimer()
 597 {
 598     /* \todo Make this event-driven */
 599     advControls->enableInput( THEMIM->getIM()->hasInput() );
 600     advControls->enableVideo( THEMIM->getIM()->hasVideo() );
 601
 602     if( intf_ShouldDie( p_intf ) )
 603     {
 604         QApplication::closeAllWindows();
 605         QApplication::quit();
 606     }
 607     if( need_components_update )
 608     {
 609         doComponentsUpdate();
 610         need_components_update = false;
 611     }
 612
 613     audio_volume_t i_volume;
 614     aout_VolumeGet( p_intf, &i_volume );
 615     i_volume = (i_volume *  200 )/ AOUT_VOLUME_MAX ;
 616     int i_gauge = ui.volumeSlider->value();
 617     b_my_volume = false;
 618     if( i_volume - i_gauge > 1 || i_gauge - i_volume > 1 )
 619     {
 620         b_my_volume = true;
 621         ui.volumeSlider->setValue( i_volume );
 622         b_my_volume = false;
 623     }
 624 }
 625
 626 void MainInterface::closeEvent( QCloseEvent *e )
 627 {
 628     hide();
 629     p_intf->b_die = VLC_TRUE;
 630 }
 631
 632 void MainInterface::updateVolume( int sliderVolume )
 633 {
 634     if( !b_my_volume )
 635     {
 636         int i_res = sliderVolume * AOUT_VOLUME_MAX /
 637                             (2*ui.volumeSlider->maximum() );
 638         aout_VolumeSet( p_intf, i_res );
 639     }
 640 }
 641
 642 static int InteractCallback( vlc_object_t *p_this,
 643                              const char *psz_var, vlc_value_t old_val,
 644                              vlc_value_t new_val, void *param )
 645 {
 646     intf_dialog_args_t *p_arg = new intf_dialog_args_t;
 647     p_arg->p_dialog = (interaction_dialog_t *)(new_val.p_address);
 648     DialogEvent *event = new DialogEvent( INTF_DIALOG_INTERACTION, 0, p_arg );
 649     QApplication::postEvent( THEDP, static_cast<QEvent*>(event) );
 650     return VLC_SUCCESS;
 651 }