1 /*****************************************************************************
2 * interface_widgets.cpp : Custom widgets for the main interface
3 ****************************************************************************
4 * Copyright ( C ) 2006 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Jean-Baptiste Kempf <jb@videolan.org>
9 * Rafaël Carré <funman@videolanorg>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * ( at your option ) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 #include "dialogs_provider.hpp"
27 #include "components/interface_widgets.hpp"
28 #include "main_interface.hpp"
29 #include "input_manager.hpp"
31 #include "util/input_slider.hpp"
35 #include <QSpacerItem>
37 #include <QPushButton>
38 #include <QHBoxLayout>
41 #include <QResizeEvent>
44 #define MAX_BG_SIZE 300
46 /**********************************************************************
47 * Video Widget. A simple frame on which video is drawn
48 * This class handles resize issues
49 **********************************************************************/
50 static void *DoRequest( intf_thread_t *, vout_thread_t *, int*,int*,
51 unsigned int *, unsigned int * );
52 static void DoRelease( intf_thread_t *, void * );
53 static int DoControl( intf_thread_t *, void *, int, va_list );
55 VideoWidget::VideoWidget( intf_thread_t *_p_i ) : QFrame( NULL ), p_intf( _p_i )
57 vlc_mutex_init( p_intf, &lock );
59 CONNECT( this, askResize(), this, SetMinSize() );
60 setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Preferred );
63 VideoWidget::~VideoWidget()
65 vlc_mutex_lock( &lock );
68 if( !p_intf->psz_switch_intf )
70 if( vout_Control( p_vout, VOUT_CLOSE ) != VLC_SUCCESS )
71 vout_Control( p_vout, VOUT_REPARENT );
75 if( vout_Control( p_vout, VOUT_REPARENT ) != VLC_SUCCESS )
76 vout_Control( p_vout, VOUT_CLOSE );
79 vlc_mutex_unlock( &lock );
80 vlc_mutex_destroy( &lock );
83 QSize VideoWidget::sizeHint() const
88 void *VideoWidget::request( vout_thread_t *p_nvout, int *pi_x, int *pi_y,
89 unsigned int *pi_width, unsigned int *pi_height )
93 msg_Dbg( p_intf, "embedded video already in use" );
98 return ( void* )winId();
101 void VideoWidget::SetMinSize()
103 setMinimumSize( 16, 16 );
106 void VideoWidget::release( void *p_win )
110 /**********************************************************************
111 * Background Widget. Show a simple image background. Currently,
112 * it's a static cone.
113 **********************************************************************/
114 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i ) :
115 QFrame( NULL ), p_intf( _p_i )
118 setAutoFillBackground( true );
120 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
121 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
125 label->setMaximumHeight( ICON_SIZE );
126 label->setMaximumWidth( ICON_SIZE );
127 label->setScaledContents( true );
128 label->setPixmap( QPixmap( ":/vlc128.png" ) );
129 backgroundLayout = new QHBoxLayout;
130 backgroundLayout->addWidget( label );
131 setLayout( backgroundLayout );
134 BackgroundWidget::~BackgroundWidget()
136 backgroundLayout->takeAt( 0 );
137 delete backgroundLayout;
140 void BackgroundWidget::setArt( QString url )
143 label->setPixmap( QPixmap( ":/vlc128.png" ) );
145 label->setPixmap( QPixmap( url ) );
148 QSize BackgroundWidget::sizeHint() const
153 void BackgroundWidget::resizeEvent( QResizeEvent *e )
155 if( e->size().height() < ICON_SIZE -1 )
156 label->setMaximumWidth( e->size().height() );
158 label->setMaximumWidth( ICON_SIZE );
161 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
163 QVLCMenu::PopupMenu( p_intf, true );
165 /**********************************************************************
166 * Visualization selector panel
167 **********************************************************************/
168 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
169 QFrame( NULL ), p_intf( _p_i )
171 QHBoxLayout *layout = new QHBoxLayout( this );
172 layout->setMargin( 0 );
173 QPushButton *prevButton = new QPushButton( "Prev" );
174 QPushButton *nextButton = new QPushButton( "Next" );
175 layout->addWidget( prevButton );
176 layout->addWidget( nextButton );
178 layout->addItem( new QSpacerItem( 40,20,
179 QSizePolicy::Expanding, QSizePolicy::Minimum ) );
180 layout->addWidget( new QLabel( qtr( "Current visualization:" ) ) );
182 current = new QLabel( qtr( "None" ) );
183 layout->addWidget( current );
185 BUTTONACT( prevButton, prev() );
186 BUTTONACT( nextButton, next() );
189 setMaximumHeight( 35 );
192 VisualSelector::~VisualSelector()
196 void VisualSelector::prev()
198 char *psz_new = aout_VisualPrev( p_intf );
201 current->setText( qfu( psz_new ) );
206 void VisualSelector::next()
208 char *psz_new = aout_VisualNext( p_intf );
211 current->setText( qfu( psz_new ) );
216 /**********************************************************************
218 **********************************************************************/
220 #define setupSmallButton( aButton ){ \
221 aButton->setMaximumSize( QSize( 26, 26 ) ); \
222 aButton->setMinimumSize( QSize( 26, 26 ) ); \
223 aButton->setIconSize( QSize( 20, 20 ) ); }
225 AdvControlsWidget::AdvControlsWidget( intf_thread_t *_p_i ) :
226 QFrame( NULL ), p_intf( _p_i )
228 QHBoxLayout *advLayout = new QHBoxLayout( this );
229 advLayout->setMargin( 0 );
230 advLayout->setSpacing( 0 );
232 /* FIXME A to B function */
233 ABButton = new QPushButton( "AB" );
234 ABButton->setMaximumSize( QSize( 26, 26 ) );
235 ABButton->setIconSize( QSize( 20, 20 ) );
236 advLayout->addWidget( ABButton );
237 BUTTON_SET_ACT( ABButton, "AB", qtr( "A to B" ), fromAtoB() );
239 snapshotButton = new QPushButton( "S" );
240 snapshotButton->setMaximumSize( QSize( 26, 26 ) );
241 snapshotButton->setIconSize( QSize( 20, 20 ) );
242 advLayout->addWidget( snapshotButton );
243 BUTTON_SET_ACT( snapshotButton, "S", qtr( "Take a snapshot" ), snapshot() );
245 //FIXME Frame by frame function
246 frameButton = new QPushButton( "Fr" );
247 frameButton->setMaximumSize( QSize( 26, 26 ) );
248 frameButton->setIconSize( QSize( 20, 20 ) );
249 advLayout->addWidget( frameButton );
250 BUTTON_SET_ACT( frameButton, "Fr", qtr( "Frame by Frame" ), frame() );
252 /* FIXME Record function */
253 recordButton = new QPushButton( "R" );
254 recordButton->setMaximumSize( QSize( 26, 26 ) );
255 recordButton->setIconSize( QSize( 20, 20 ) );
256 advLayout->addWidget( recordButton );
257 BUTTON_SET_ACT_I( recordButton, "", record_16px.png,
258 qtr( "Record" ), record() );
260 normalButton = new QPushButton( "N" );
261 normalButton->setMaximumSize( QSize( 26, 26 ) );
262 normalButton->setIconSize( QSize( 20, 20 ) );
263 advLayout->addWidget( normalButton );
264 BUTTON_SET_ACT( normalButton, "N", qtr( "Normal rate" ), normal() );
268 AdvControlsWidget::~AdvControlsWidget()
272 void AdvControlsWidget::enableInput( bool enable )
274 ABButton->setEnabled( enable );
275 recordButton->setEnabled( enable );
276 normalButton->setEnabled( enable );
278 void AdvControlsWidget::enableVideo( bool enable )
280 snapshotButton->setEnabled( enable );
281 frameButton->setEnabled( enable );
284 void AdvControlsWidget::normal()
286 THEMIM->getIM()->normalRate();
289 void AdvControlsWidget::snapshot()
291 vout_thread_t *p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
292 if( p_vout ) vout_Control( p_vout, VOUT_SNAPSHOT );
295 void AdvControlsWidget::frame(){}
296 void AdvControlsWidget::fromAtoB(){}
297 void AdvControlsWidget::record(){}
299 /*****************************
300 * DA Control Widget !
301 *****************************/
302 ControlsWidget::ControlsWidget( intf_thread_t *_p_i, bool b_advControls ) :
303 QFrame( NULL ), p_intf( _p_i )
305 //QSize size( 500, 200 );
307 controlLayout = new QGridLayout( this );
308 controlLayout->setSpacing( 0 );
309 setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Minimum );
313 palette2.setColor(this->backgroundRole(), Qt::magenta);
314 setPalette(palette2);
317 /** The main Slider **/
318 slider = new InputSlider( Qt::Horizontal, NULL );
319 controlLayout->addWidget( slider, 0, 1, 1, 16 );
320 /* Update the position when the IM has changed */
321 CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
322 slider, setPosition( float,int, int ) );
323 /* And update the IM, when the position has changed */
324 CONNECT( slider, sliderDragged( float ),
325 THEMIM->getIM(), sliderUpdate( float ) );
327 /** Slower and faster Buttons **/
328 slowerButton = new QPushButton( "S" );
329 BUTTON_SET_ACT( slowerButton, "S", qtr( "Slower" ), slower() );
330 controlLayout->addWidget( slowerButton, 0, 0 );
331 slowerButton->setMaximumSize( QSize( 26, 20 ) );
333 fasterButton = new QPushButton( "F" );
334 BUTTON_SET_ACT( fasterButton, "F", qtr( "Faster" ), faster() );
335 controlLayout->addWidget( fasterButton, 0, 17 );
336 fasterButton->setMaximumSize( QSize( 26, 20 ) );
338 /** TODO: Insert here the AdvControls Widget
339 * Then fix all the size issues in main_interface.cpp
341 /* advanced Controls handling */
342 b_advancedVisible = b_advControls;
344 advControls = new AdvControlsWidget( p_intf );
345 controlLayout->addWidget( advControls, 1, 3, 2, 5, Qt::AlignBottom );
346 if( !b_advancedVisible ) advControls->hide();
347 //THIS should be removed. need_components_update = true;
349 /** Disc and Menus handling */
350 discFrame = new QFrame( this );
352 QHBoxLayout *discLayout = new QHBoxLayout( discFrame );
353 discLayout->setSpacing( 0 );
354 discLayout->setMargin( 0 );
356 prevSectionButton = new QPushButton( discFrame );
357 setupSmallButton( prevSectionButton );
358 discLayout->addWidget( prevSectionButton );
360 menuButton = new QPushButton( discFrame );
361 setupSmallButton( menuButton );
362 discLayout->addWidget( menuButton );
364 nextSectionButton = new QPushButton( discFrame );
365 setupSmallButton( nextSectionButton );
366 discLayout->addWidget( nextSectionButton );
368 controlLayout->addWidget( discFrame, 1, 10, 2, 3, Qt::AlignBottom );
370 BUTTON_SET_IMG( prevSectionButton, "", previous.png, "" );
371 BUTTON_SET_IMG( nextSectionButton, "", next.png, "" );
372 BUTTON_SET_IMG( menuButton, "", previous.png, "" );
376 /* Change the navigation button display when the IM navigation changes */
377 CONNECT( THEMIM->getIM(), navigationChanged( int ),
378 this, setNavigation( int ) );
379 /* Changes the IM navigation when triggered on the nav buttons */
380 CONNECT( prevSectionButton, clicked(), THEMIM->getIM(),
382 CONNECT( nextSectionButton, clicked(), THEMIM->getIM(),
384 CONNECT( menuButton, clicked(), THEMIM->getIM(),
392 QSizePolicy sizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed );
393 sizePolicy.setHorizontalStretch( 0 );
394 sizePolicy.setVerticalStretch( 0 );
397 playButton = new QPushButton;
398 playButton->setSizePolicy( sizePolicy );
399 playButton->setMaximumSize( QSize( 38, 38 ) );
400 playButton->setMinimumSize( QSize( 45, 45 ) );
401 playButton->setIconSize( QSize( 30, 30 ) );
403 controlLayout->addWidget( playButton, 2, 0, 2, 2, Qt::AlignBottom );
405 controlLayout->setColumnMinimumWidth( 2, 20 );
406 controlLayout->setColumnStretch( 2, 0 );
408 /** Prev + Stop + Next Block **/
409 QHBoxLayout *controlButLayout = new QHBoxLayout;
410 controlButLayout->setSpacing( 0 ); /* Don't remove that, will be useful */
413 QPushButton *prevButton = new QPushButton;
414 prevButton->setSizePolicy( sizePolicy );
415 setupSmallButton( prevButton );
417 controlButLayout->addWidget( prevButton );
420 QPushButton *stopButton = new QPushButton;
421 stopButton->setSizePolicy( sizePolicy );
422 setupSmallButton( stopButton );
424 controlButLayout->addWidget( stopButton );
427 QPushButton *nextButton = new QPushButton;
428 nextButton->setSizePolicy( sizePolicy );
429 setupSmallButton( nextButton );
431 controlButLayout->addWidget( nextButton );
433 /* Add this block to the main layout */
434 controlLayout->addLayout( controlButLayout, 3, 3, 1, 3 );
436 BUTTON_SET_ACT_I( playButton, "", play.png, qtr( "Play" ), play() );
437 BUTTON_SET_ACT_I( prevButton, "" , previous.png,
438 qtr( "Previous" ), prev() );
439 BUTTON_SET_ACT_I( nextButton, "", next.png, qtr( "Next" ), next() );
440 BUTTON_SET_ACT_I( stopButton, "", stop.png, qtr( "Stop" ), stop() );
442 controlLayout->setColumnStretch( 8 , 10 );
443 controlLayout->setColumnStretch( 9, 0 );
446 * Other first Line buttons
447 * Might need to be inside a frame to avoid a few resizing pb
450 /** Fullscreen/Visualisation **/
451 fullscreenButton = new QPushButton( "F" );
452 BUTTON_SET_ACT( fullscreenButton, "F", qtr( "Fullscreen" ), fullscreen() );
453 setupSmallButton( fullscreenButton );
454 controlLayout->addWidget( fullscreenButton, 3, 10 );
456 /** Playlist Button **/
457 playlistButton = new QPushButton;
458 setupSmallButton( playlistButton );
459 controlLayout->addWidget( playlistButton, 3, 11 );
460 BUTTON_SET_IMG( playlistButton, "" , playlist.png, qtr( "Show playlist" ) );
462 /** extended Settings **/
463 QPushButton *extSettingsButton = new QPushButton( "F" );
464 BUTTON_SET_ACT( extSettingsButton, "Ex", qtr( "Extended Settings" ),
466 setupSmallButton( extSettingsButton );
467 controlLayout->addWidget( extSettingsButton, 3, 12 );
469 controlLayout->setColumnStretch( 14, 5 );
472 VolumeClickHandler *h = new VolumeClickHandler( p_intf, this );
474 volMuteLabel = new QLabel;
475 volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-high.png" ) );
476 volMuteLabel->setToolTip( qtr( "Mute" ) );
477 volMuteLabel->installEventFilter( h );
480 * Change this slider to use a nice Amarok-like one
481 * Add a Context menu to change to the most useful %
484 * THis percerntage thing has to be handled correctly
485 * This has to match to the OSD
487 volumeSlider = new QSlider;
488 volumeSlider->setSizePolicy( sizePolicy );
489 volumeSlider->setMaximumSize( QSize( 80, 200 ) );
490 volumeSlider->setOrientation( Qt::Horizontal );
492 volumeSlider->setMaximum( VOLUME_MAX );
493 volumeSlider->setFocusPolicy( Qt::NoFocus );
494 controlLayout->addWidget( volMuteLabel, 3, 15 );
495 controlLayout->addWidget( volumeSlider, 3, 16, 1, 2 );
497 /* Volume control connection */
498 CONNECT( volumeSlider, valueChanged( int ), this, updateVolume( int ) );
499 msg_Dbg( p_intf, "size: %i - %i", size().height(), size().width() );
501 ControlsWidget::~ControlsWidget()
504 void ControlsWidget::stop()
509 void ControlsWidget::play()
512 msg_Dbg( p_intf, "There is %i playlist items", THEPL->items.i_size ); /* FIXME: remove me */
513 if( playlist_IsEmpty( THEPL ) )
515 /* The playlist is empty, open a file requester */
516 THEDP->openFileDialog();
520 THEMIM->togglePlayPause();
523 void ControlsWidget::prev()
528 void ControlsWidget::next()
533 void ControlsWidget::setNavigation( int navigation )
535 #define HELP_MENU N_( "Menu" )
536 #define HELP_PCH N_( "Previous chapter" )
537 #define HELP_NCH N_( "Next chapter" )
538 #define HELP_PTR N_( "Previous track" )
539 #define HELP_NTR N_( "Next track" )
541 // 1 = chapter, 2 = title, 0 = no
542 if( navigation == 0 )
545 } else if( navigation == 1 ) {
546 prevSectionButton->setToolTip( qfu( HELP_PCH ) );
547 nextSectionButton->setToolTip( qfu( HELP_NCH ) );
551 prevSectionButton->setToolTip( qfu( HELP_PCH ) );
552 nextSectionButton->setToolTip( qfu( HELP_NCH ) );
558 static bool b_my_volume;
559 void ControlsWidget::updateVolume( int i_sliderVolume )
563 int i_res = i_sliderVolume * (AOUT_VOLUME_MAX / 2) / VOLUME_MAX;
564 aout_VolumeSet( p_intf, i_res );
566 if( i_sliderVolume == 0 )
567 volMuteLabel->setPixmap( QPixmap(":/pixmaps/volume-muted.png" ) );
568 else if( i_sliderVolume < VOLUME_MAX / 2 )
569 volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-low.png" ) );
570 else volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-high.png" ) );
573 void ControlsWidget::updateOnTimer()
576 audio_volume_t i_volume;
577 aout_VolumeGet( p_intf, &i_volume );
578 i_volume = ( i_volume * VOLUME_MAX )/ (AOUT_VOLUME_MAX/2) ;
579 int i_gauge = volumeSlider->value();
581 if( i_volume - i_gauge > 1 || i_gauge - i_volume > 1 )
584 volumeSlider->setValue( i_volume );
588 /* Activate the interface buttons according to the presence of the input */
589 enableInput( THEMIM->getIM()->hasInput() );
590 //enableVideo( THEMIM->getIM()->hasVideo() );
594 void ControlsWidget::setStatus( int status )
596 if( status == PLAYING_S ) // Playing
597 playButton->setIcon( QIcon( ":/pixmaps/pause.png" ) );
599 playButton->setIcon( QIcon( ":/pixmaps/play.png" ) );
604 * This functions toggle the fullscreen mode
605 * If there is no video, it should first activate Visualisations...
606 * This has also to be fixed in enableVideo()
608 void ControlsWidget::fullscreen()
610 vout_thread_t *p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
613 var_SetBool( p_vout, "fullscreen", !var_GetBool( p_vout, "fullscreen" ) );
614 vlc_object_release( p_vout );
618 void ControlsWidget::extSettings()
620 THEDP->extendedDialog();
623 void ControlsWidget::slower()
625 THEMIM->getIM()->slower();
628 void ControlsWidget::faster()
630 THEMIM->getIM()->faster();
633 void ControlsWidget::enableInput( bool enable )
635 slowerButton->setEnabled( enable );
636 slider->setEnabled( enable );
637 fasterButton->setEnabled( enable );
639 /* Advanced Buttons too */
640 advControls->enableInput( enable );
643 void ControlsWidget::enableVideo( bool enable )
645 // TODO Later make the fullscreenButton toggle Visualisation and so on.
646 fullscreenButton->setEnabled( enable );
648 /* Advanced Buttons too */
649 advControls->enableVideo( enable );
652 void ControlsWidget::toggleAdvanced()
654 if( !VISIBLE( advControls ) )
657 b_advancedVisible = true;
662 b_advancedVisible = false;
664 //FIXME connect this one :D
665 emit advancedControlsToggled( b_advancedVisible ); // doComponentsUpdate();
668 /**********************************************************************
669 * Playlist Widget. The embedded playlist
670 **********************************************************************/
671 #include "components/playlist/panels.hpp"
672 #include "components/playlist/selector.hpp"
674 PlaylistWidget::PlaylistWidget( intf_thread_t *_p_i ) :
677 /* Left Part and design */
678 QWidget *leftW = new QWidget( this );
679 QVBoxLayout *left = new QVBoxLayout( leftW );
681 /* Source Selector */
682 selector = new PLSelector( this, p_intf, THEPL );
683 left->addWidget( selector );
686 art = new QLabel( "" );
687 art->setMinimumHeight( 128 );
688 art->setMinimumWidth( 128 );
689 art->setMaximumHeight( 128 );
690 art->setMaximumWidth( 128 );
691 art->setScaledContents( true );
692 art->setPixmap( QPixmap( ":/noart.png" ) );
693 left->addWidget( art );
695 /* Initialisation of the playlist */
696 playlist_item_t *p_root = playlist_GetPreferredNode( THEPL,
697 THEPL->p_local_category );
699 rightPanel = qobject_cast<PLPanel *>( new StandardPLPanel( this,
700 p_intf, THEPL, p_root ) );
703 CONNECT( selector, activated( int ), rightPanel, setRoot( int ) );
705 CONNECT( qobject_cast<StandardPLPanel *>( rightPanel )->model,
706 artSet( QString ) , this, setArt( QString ) );
707 /* Forward removal requests from the selector to the main panel */
708 CONNECT( qobject_cast<PLSelector *>( selector )->model,
710 qobject_cast<StandardPLPanel *>( rightPanel ), removeItem( int ) );
712 connect( selector, SIGNAL( activated( int ) ),
713 this, SIGNAL( rootChanged( int ) ) );
714 emit rootChanged( p_root->i_id );
716 /* Add the two sides of the QSplitter */
718 addWidget( rightPanel );
720 leftW->setMaximumWidth( 250 );
721 setCollapsible( 1, false );
724 sizeList << 180 << 520 ;
725 setSizes( sizeList );
728 void PlaylistWidget::setArt( QString url )
731 art->setPixmap( QPixmap( ":/noart.png" ) );
732 else if( prevArt != url )
734 art->setPixmap( QPixmap( url ) );
740 PlaylistWidget::~PlaylistWidget()
744 QSize PlaylistWidget::sizeHint() const
749 /**********************************************************************
750 * Speed control widget
751 **********************************************************************/
752 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i ) :
753 QFrame( NULL ), p_intf( _p_i )
755 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
756 sizePolicy.setHorizontalStretch( 0 );
757 sizePolicy.setVerticalStretch( 0 );
759 speedSlider = new QSlider;
760 speedSlider->setSizePolicy( sizePolicy );
761 speedSlider->setMaximumSize( QSize( 80, 200 ) );
762 speedSlider->setOrientation( Qt::Vertical );
763 speedSlider->setTickPosition( QSlider::TicksRight );
765 speedSlider->setRange( -100, 100 );
766 speedSlider->setSingleStep( 10 );
767 speedSlider->setPageStep( 20 );
768 speedSlider->setTickInterval( 20 );
770 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
772 normalSpeedButton = new QPushButton( "N" );
773 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
774 normalSpeedButton->setFlat( true );
775 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
777 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
779 QVBoxLayout *speedControlLayout = new QVBoxLayout;
780 speedControlLayout->addWidget(speedSlider);
781 speedControlLayout->addWidget(normalSpeedButton);
782 setLayout(speedControlLayout);
785 SpeedControlWidget::~SpeedControlWidget()
789 #define RATE_SLIDER_MAXIMUM 3.0
790 #define RATE_SLIDER_MINIMUM 0.3
791 #define RATE_SLIDER_LENGTH 100.0
793 void SpeedControlWidget::updateControls( int rate )
795 if( speedSlider->isSliderDown() )
797 //We don't want to change anything if the user is using the slider
802 double speed = INPUT_RATE_DEFAULT / (double)rate;
804 if( rate >= INPUT_RATE_DEFAULT )
806 if( speed < RATE_SLIDER_MINIMUM )
808 sliderValue = speedSlider->minimum();
812 sliderValue = (int)( ( speed - 1.0 ) * RATE_SLIDER_LENGTH
813 / ( 1.0 - RATE_SLIDER_MAXIMUM ) );
818 if( speed > RATE_SLIDER_MAXIMUM )
820 sliderValue = speedSlider->maximum();
824 sliderValue = (int)( ( speed - 1.0 ) * RATE_SLIDER_LENGTH
825 / ( RATE_SLIDER_MAXIMUM - 1.0 ) );
829 //Block signals to avoid feedback loop
830 speedSlider->blockSignals( true );
831 speedSlider->setValue( sliderValue );
832 speedSlider->blockSignals( false );
835 void SpeedControlWidget::updateRate( int sliderValue )
839 if( sliderValue < 0.0 )
841 rate = INPUT_RATE_DEFAULT* RATE_SLIDER_LENGTH /
842 ( sliderValue * ( 1.0 - RATE_SLIDER_MINIMUM ) + RATE_SLIDER_LENGTH ) ;
846 rate = INPUT_RATE_DEFAULT* RATE_SLIDER_LENGTH /
847 ( sliderValue * ( RATE_SLIDER_MAXIMUM - 1.0 ) + RATE_SLIDER_LENGTH );
850 THEMIM->getIM()->setRate(rate);
853 void SpeedControlWidget::resetRate()
855 THEMIM->getIM()->setRate(INPUT_RATE_DEFAULT);