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"
32 #include "util/customwidgets.hpp"
36 #include <QSpacerItem>
38 #include <QPushButton>
39 #include <QHBoxLayout>
42 #include <QResizeEvent>
44 /**********************************************************************
45 * Video Widget. A simple frame on which video is drawn
46 * This class handles resize issues
47 **********************************************************************/
48 static void *DoRequest( intf_thread_t *, vout_thread_t *, int*,int*,
49 unsigned int *, unsigned int * );
50 static void DoRelease( intf_thread_t *, void * );
51 static int DoControl( intf_thread_t *, void *, int, va_list );
53 VideoWidget::VideoWidget( intf_thread_t *_p_i ) : QFrame( NULL ), p_intf( _p_i )
55 vlc_mutex_init( p_intf, &lock );
58 CONNECT( this, askResize(), this, SetMinSize() );
59 CONNECT( this, askVideoToShow(), this, show() );
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 )
91 emit askVideoToShow();
94 msg_Dbg( p_intf, "embedded video already in use" );
99 return ( void* )winId();
102 void VideoWidget::SetMinSize()
104 setMinimumSize( 16, 16 );
107 void VideoWidget::release( void *p_win )
113 /**********************************************************************
114 * Background Widget. Show a simple image background. Currently,
115 * it's a static cone.
116 **********************************************************************/
117 #define ICON_SIZE 128
118 #define MAX_BG_SIZE 400
119 #define MIN_BG_SIZE 64
121 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i ) :
122 QFrame( NULL ), p_intf( _p_i )
124 /* We should use that one to take the more size it can */
125 setSizePolicy( QSizePolicy::Preferred, QSizePolicy::MinimumExpanding );
127 /* A dark background */
128 setAutoFillBackground( true );
130 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
131 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
134 /* A cone in the middle */
136 // label->setScaledContents( true );
137 label->setMargin( 5 );
138 label->setMaximumHeight( MAX_BG_SIZE );
139 label->setMaximumWidth( MAX_BG_SIZE );
140 label->setMinimumHeight( MIN_BG_SIZE );
141 label->setMinimumWidth( MIN_BG_SIZE );
142 label->setPixmap( QPixmap( ":/vlc128.png" ) );
144 QHBoxLayout *backgroundLayout = new QHBoxLayout( this );
145 backgroundLayout->addWidget( label );
151 BackgroundWidget::~BackgroundWidget()
154 void BackgroundWidget::setArt( QString url )
157 label->setPixmap( QPixmap( ":/vlc128.png" ) );
159 label->setPixmap( QPixmap( url ) );
163 QSize BackgroundWidget::sizeHint() const
165 return label->size();
168 void BackgroundWidget::resizeEvent( QResizeEvent *e )
170 msg_Dbg( p_intf, "BG size, %i, %i", e->size().width(), e->size().height() );
171 if( e->size().height() < label->height() )
173 label->resize( e->size().height(), e->size().height() );
177 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
179 QVLCMenu::PopupMenu( p_intf, true );
182 /**********************************************************************
183 * Visualization selector panel
184 **********************************************************************/
185 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
186 QFrame( NULL ), p_intf( _p_i )
188 QHBoxLayout *layout = new QHBoxLayout( this );
189 layout->setMargin( 0 );
190 QPushButton *prevButton = new QPushButton( "Prev" );
191 QPushButton *nextButton = new QPushButton( "Next" );
192 layout->addWidget( prevButton );
193 layout->addWidget( nextButton );
195 layout->addItem( new QSpacerItem( 40,20,
196 QSizePolicy::Expanding, QSizePolicy::Minimum ) );
197 layout->addWidget( new QLabel( qtr( "Current visualization:" ) ) );
199 current = new QLabel( qtr( "None" ) );
200 layout->addWidget( current );
202 BUTTONACT( prevButton, prev() );
203 BUTTONACT( nextButton, next() );
206 setMaximumHeight( 35 );
209 VisualSelector::~VisualSelector()
213 void VisualSelector::prev()
215 char *psz_new = aout_VisualPrev( p_intf );
218 current->setText( qfu( psz_new ) );
223 void VisualSelector::next()
225 char *psz_new = aout_VisualNext( p_intf );
228 current->setText( qfu( psz_new ) );
233 /**********************************************************************
235 **********************************************************************/
237 #define setupSmallButton( aButton ){ \
238 aButton->setMaximumSize( QSize( 26, 26 ) ); \
239 aButton->setMinimumSize( QSize( 26, 26 ) ); \
240 aButton->setIconSize( QSize( 20, 20 ) ); }
242 AdvControlsWidget::AdvControlsWidget( intf_thread_t *_p_i ) :
243 QFrame( NULL ), p_intf( _p_i )
245 QHBoxLayout *advLayout = new QHBoxLayout( this );
246 advLayout->setMargin( 0 );
247 advLayout->setSpacing( 0 );
250 ABButton = new QPushButton( "AB" );
251 ABButton->setMaximumSize( QSize( 26, 26 ) );
252 ABButton->setIconSize( QSize( 20, 20 ) );
253 advLayout->addWidget( ABButton );
254 BUTTON_SET_ACT( ABButton, "AB", qtr( "A to B" ), fromAtoB() );
256 CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
257 this, AtoBLoop( float, int, int ) );
259 //FIXME Frame by frame function
260 frameButton = new QPushButton( "Fr" );
261 frameButton->setMaximumSize( QSize( 26, 26 ) );
262 frameButton->setIconSize( QSize( 20, 20 ) );
263 advLayout->addWidget( frameButton );
264 BUTTON_SET_ACT( frameButton, "Fr", qtr( "Frame by Frame" ), frame() );
266 /* FIXME Record function */
267 recordButton = new QPushButton( "R" );
268 recordButton->setMaximumSize( QSize( 26, 26 ) );
269 recordButton->setIconSize( QSize( 20, 20 ) );
270 advLayout->addWidget( recordButton );
271 BUTTON_SET_ACT_I( recordButton, "", record_16px.png,
272 qtr( "Record" ), record() );
274 /* Snapshot Button */
275 snapshotButton = new QPushButton( "S" );
276 snapshotButton->setMaximumSize( QSize( 26, 26 ) );
277 snapshotButton->setIconSize( QSize( 20, 20 ) );
278 advLayout->addWidget( snapshotButton );
279 BUTTON_SET_ACT( snapshotButton, "S", qtr( "Take a snapshot" ), snapshot() );
282 AdvControlsWidget::~AdvControlsWidget()
285 void AdvControlsWidget::enableInput( bool enable )
287 ABButton->setEnabled( enable );
288 recordButton->setEnabled( enable );
291 void AdvControlsWidget::enableVideo( bool enable )
293 snapshotButton->setEnabled( enable );
294 frameButton->setEnabled( enable );
297 void AdvControlsWidget::snapshot()
299 vout_thread_t *p_vout =
300 (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
301 if( p_vout ) vout_Control( p_vout, VOUT_SNAPSHOT );
304 /* Function called when the button is clicked() */
305 void AdvControlsWidget::fromAtoB()
309 timeA = var_GetTime( THEMIM->getInput(), "time" );
310 ABButton->setText( "A->..." );
315 timeB = var_GetTime( THEMIM->getInput(), "time" );
316 var_SetTime( THEMIM->getInput(), "time" , timeA );
317 ABButton->setText( "A<=>B" );
322 ABButton->setText( "AB" );
325 /* Function called regularly when in an AtoB loop */
326 void AdvControlsWidget::AtoBLoop( float f_pos, int i_time, int i_length )
330 if( i_time >= (int)(timeB/1000000) )
331 var_SetTime( THEMIM->getInput(), "time" , timeA );
335 void AdvControlsWidget::record(){}
336 void AdvControlsWidget::frame(){}
338 /*****************************
339 * DA Control Widget !
340 *****************************/
341 ControlsWidget::ControlsWidget( intf_thread_t *_p_i,
342 MainInterface *_p_mi,
345 QFrame( NULL ), p_intf( _p_i )
347 controlLayout = new QGridLayout( this );
348 controlLayout->setSpacing( 0 );
349 setSizePolicy( QSizePolicy::Preferred , QSizePolicy::Minimum );
351 /** The main Slider **/
352 slider = new InputSlider( Qt::Horizontal, NULL );
353 controlLayout->addWidget( slider, 0, 1, 1, 16 );
354 /* Update the position when the IM has changed */
355 CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
356 slider, setPosition( float, int, int ) );
357 /* And update the IM, when the position has changed */
358 CONNECT( slider, sliderDragged( float ),
359 THEMIM->getIM(), sliderUpdate( float ) );
361 /** Slower and faster Buttons **/
362 slowerButton = new QPushButton;
363 slowerButton->setFlat( true );
364 slowerButton->setMaximumSize( QSize( 26, 20 ) );
366 BUTTON_SET_ACT( slowerButton, "-", qtr( "Slower" ), slower() );
367 controlLayout->addWidget( slowerButton, 0, 0 );
369 fasterButton = new QPushButton;
370 fasterButton->setFlat( true );
371 fasterButton->setMaximumSize( QSize( 26, 20 ) );
373 BUTTON_SET_ACT( fasterButton, "+", qtr( "Faster" ), faster() );
374 controlLayout->addWidget( fasterButton, 0, 17 );
376 /* advanced Controls handling */
377 b_advancedVisible = b_advControls;
379 advControls = new AdvControlsWidget( p_intf );
380 controlLayout->addWidget( advControls, 1, 3, 2, 4, Qt::AlignBottom );
381 if( !b_advancedVisible ) advControls->hide();
383 /** Disc and Menus handling */
384 discFrame = new QFrame( this );
386 QHBoxLayout *discLayout = new QHBoxLayout( discFrame );
387 discLayout->setSpacing( 0 );
388 discLayout->setMargin( 0 );
390 prevSectionButton = new QPushButton( discFrame );
391 setupSmallButton( prevSectionButton );
392 discLayout->addWidget( prevSectionButton );
394 menuButton = new QPushButton( discFrame );
395 setupSmallButton( menuButton );
396 discLayout->addWidget( menuButton );
398 nextSectionButton = new QPushButton( discFrame );
399 setupSmallButton( nextSectionButton );
400 discLayout->addWidget( nextSectionButton );
402 controlLayout->addWidget( discFrame, 1, 10, 2, 3, Qt::AlignBottom );
404 BUTTON_SET_IMG( prevSectionButton, "", previous.png, "" );
405 BUTTON_SET_IMG( nextSectionButton, "", next.png, "" );
406 BUTTON_SET_IMG( menuButton, "", previous.png, "" );
410 /* Change the navigation button display when the IM navigation changes */
411 CONNECT( THEMIM->getIM(), navigationChanged( int ),
412 this, setNavigation( int ) );
413 /* Changes the IM navigation when triggered on the nav buttons */
414 CONNECT( prevSectionButton, clicked(), THEMIM->getIM(),
416 CONNECT( nextSectionButton, clicked(), THEMIM->getIM(),
418 CONNECT( menuButton, clicked(), THEMIM->getIM(),
423 * Merge with upper menu in a StackLayout
427 QSizePolicy sizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed );
428 sizePolicy.setHorizontalStretch( 0 );
429 sizePolicy.setVerticalStretch( 0 );
432 playButton = new QPushButton;
433 playButton->setSizePolicy( sizePolicy );
434 playButton->setMaximumSize( QSize( 38, 38 ) );
435 playButton->setMinimumSize( QSize( 45, 45 ) );
436 playButton->setIconSize( QSize( 30, 30 ) );
438 controlLayout->addWidget( playButton, 2, 0, 2, 2 );
440 controlLayout->setColumnMinimumWidth( 2, 20 );
441 controlLayout->setColumnStretch( 2, 0 );
443 /** Prev + Stop + Next Block **/
444 QHBoxLayout *controlButLayout = new QHBoxLayout;
445 controlButLayout->setSpacing( 0 ); /* Don't remove that, will be useful */
448 QPushButton *prevButton = new QPushButton;
449 prevButton->setSizePolicy( sizePolicy );
450 setupSmallButton( prevButton );
452 controlButLayout->addWidget( prevButton );
455 QPushButton *stopButton = new QPushButton;
456 stopButton->setSizePolicy( sizePolicy );
457 setupSmallButton( stopButton );
459 controlButLayout->addWidget( stopButton );
462 QPushButton *nextButton = new QPushButton;
463 nextButton->setSizePolicy( sizePolicy );
464 setupSmallButton( nextButton );
466 controlButLayout->addWidget( nextButton );
468 /* Add this block to the main layout */
469 controlLayout->addLayout( controlButLayout, 3, 3, 1, 3, Qt::AlignBottom );
471 BUTTON_SET_ACT_I( playButton, "", play.png, qtr( "Play" ), play() );
472 BUTTON_SET_ACT_I( prevButton, "" , previous.png,
473 qtr( "Previous" ), prev() );
474 BUTTON_SET_ACT_I( nextButton, "", next.png, qtr( "Next" ), next() );
475 BUTTON_SET_ACT_I( stopButton, "", stop.png, qtr( "Stop" ), stop() );
477 controlLayout->setColumnStretch( 7 , 2 );
480 * Other first Line buttons
481 * Might need to be inside a frame to avoid a few resizing pb
484 /** Fullscreen/Visualisation **/
485 fullscreenButton = new QPushButton( "F" );
486 BUTTON_SET_ACT( fullscreenButton, "F", qtr( "Fullscreen" ), fullscreen() );
487 setupSmallButton( fullscreenButton );
488 controlLayout->addWidget( fullscreenButton, 3, 10, Qt::AlignBottom );
490 /** Playlist Button **/
491 playlistButton = new QPushButton;
492 setupSmallButton( playlistButton );
493 controlLayout->addWidget( playlistButton, 3, 11, Qt::AlignBottom );
494 BUTTON_SET_IMG( playlistButton, "" , playlist.png, qtr( "Show playlist" ) );
495 CONNECT( playlistButton, clicked(), _p_mi, togglePlaylist() );
497 /** extended Settings **/
498 QPushButton *extSettingsButton = new QPushButton( "F" );
499 BUTTON_SET_ACT( extSettingsButton, "Ex", qtr( "Extended Settings" ),
501 setupSmallButton( extSettingsButton );
502 controlLayout->addWidget( extSettingsButton, 3, 12, Qt::AlignBottom );
504 controlLayout->setColumnStretch( 14, 5 );
507 VolumeClickHandler *hVolLabel = new VolumeClickHandler( p_intf, this );
509 volMuteLabel = new QLabel;
510 volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-high.png" ) );
511 volMuteLabel->setToolTip( qtr( "Mute" ) );
512 volMuteLabel->installEventFilter( hVolLabel );
513 controlLayout->addWidget( volMuteLabel, 3, 15, Qt::AlignBottom );
517 volumeSlider = new SoundSlider( this,
518 config_GetInt( p_intf, "volume-step" ),
519 config_GetInt( p_intf, "qt-volume-complete" ) );
523 volumeSlider = new QSlider( this );
524 volumeSlider->setOrientation( Qt::Horizontal );
526 volumeSlider->setMaximumSize( QSize( 200, 40 ) );
527 volumeSlider->setMinimumSize( QSize( 106, 30 ) );
528 volumeSlider->setFocusPolicy( Qt::NoFocus );
529 controlLayout->addWidget( volumeSlider, 2, 16, 2 , 2, Qt::AlignBottom );
531 /* Set the volume from the config */
532 volumeSlider->setValue( ( config_GetInt( p_intf, "volume" ) ) *
533 VOLUME_MAX / (AOUT_VOLUME_MAX/2) );
535 /* Volume control connection */
536 resize( QSize( 400, 60 ) );
537 CONNECT( volumeSlider, valueChanged( int ), this, updateVolume( int ) );
538 msg_Dbg( p_intf, "controls size: %i - %i", size().width(), size().height() );
541 ControlsWidget::~ControlsWidget()
546 QSize ControlsWidget::sizeHint() const
548 return QSize( 300, 50 );
552 void ControlsWidget::stop()
557 void ControlsWidget::play()
559 if( THEPL->current.i_size == 0 )
561 /* The playlist is empty, open a file requester */
562 THEDP->openFileDialog();
566 THEMIM->togglePlayPause();
569 void ControlsWidget::prev()
574 void ControlsWidget::next()
579 void ControlsWidget::setNavigation( int navigation )
581 #define HELP_MENU N_( "Menu" )
582 #define HELP_PCH N_( "Previous chapter" )
583 #define HELP_NCH N_( "Next chapter" )
584 #define HELP_PTR N_( "Previous track" )
585 #define HELP_NTR N_( "Next track" )
587 // 1 = chapter, 2 = title, 0 = no
588 if( navigation == 0 )
591 } else if( navigation == 1 ) {
592 prevSectionButton->setToolTip( qfu( HELP_PCH ) );
593 nextSectionButton->setToolTip( qfu( HELP_NCH ) );
597 prevSectionButton->setToolTip( qfu( HELP_PCH ) );
598 nextSectionButton->setToolTip( qfu( HELP_NCH ) );
604 static bool b_my_volume;
605 void ControlsWidget::updateVolume( int i_sliderVolume )
609 int i_res = i_sliderVolume * (AOUT_VOLUME_MAX / 2) / VOLUME_MAX;
610 aout_VolumeSet( p_intf, i_res );
612 if( i_sliderVolume == 0 )
613 volMuteLabel->setPixmap( QPixmap(":/pixmaps/volume-muted.png" ) );
614 else if( i_sliderVolume < VOLUME_MAX / 2 )
615 volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-low.png" ) );
616 else volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-high.png" ) );
619 void ControlsWidget::updateOnTimer()
622 audio_volume_t i_volume;
623 aout_VolumeGet( p_intf, &i_volume );
624 i_volume = ( i_volume * VOLUME_MAX )/ (AOUT_VOLUME_MAX/2);
625 int i_gauge = volumeSlider->value();
627 if( i_volume - i_gauge > 1 || i_gauge - i_volume > 1 )
630 volumeSlider->setValue( i_volume );
634 /* Activate the interface buttons according to the presence of the input */
635 enableInput( THEMIM->getIM()->hasInput() );
636 //enableVideo( THEMIM->getIM()->hasVideo() );
640 void ControlsWidget::setStatus( int status )
642 if( status == PLAYING_S ) // Playing
643 playButton->setIcon( QIcon( ":/pixmaps/pause.png" ) );
645 playButton->setIcon( QIcon( ":/pixmaps/play.png" ) );
650 * This functions toggle the fullscreen mode
651 * If there is no video, it should first activate Visualisations...
652 * This has also to be fixed in enableVideo()
654 void ControlsWidget::fullscreen()
656 vout_thread_t *p_vout =
657 (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
660 var_SetBool( p_vout, "fullscreen", !var_GetBool( p_vout, "fullscreen" ) );
661 vlc_object_release( p_vout );
665 void ControlsWidget::extSettings()
667 THEDP->extendedDialog();
670 void ControlsWidget::slower()
672 THEMIM->getIM()->slower();
675 void ControlsWidget::faster()
677 THEMIM->getIM()->faster();
680 void ControlsWidget::enableInput( bool enable )
682 slowerButton->setEnabled( enable );
683 slider->setEnabled( enable );
684 fasterButton->setEnabled( enable );
686 /* Advanced Buttons too */
687 advControls->enableInput( enable );
690 void ControlsWidget::enableVideo( bool enable )
692 // TODO Later make the fullscreenButton toggle Visualisation and so on.
693 fullscreenButton->setEnabled( enable );
695 /* Advanced Buttons too */
696 advControls->enableVideo( enable );
699 void ControlsWidget::toggleAdvanced()
701 if( !VISIBLE( advControls ) )
704 b_advancedVisible = true;
709 b_advancedVisible = false;
711 //FIXME connect this one :D
712 emit advancedControlsToggled( b_advancedVisible ); // doComponentsUpdate();
716 /**********************************************************************
717 * Speed control widget
718 **********************************************************************/
719 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i ) :
720 QFrame( NULL ), p_intf( _p_i )
722 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
723 sizePolicy.setHorizontalStretch( 0 );
724 sizePolicy.setVerticalStretch( 0 );
726 speedSlider = new QSlider;
727 speedSlider->setSizePolicy( sizePolicy );
728 speedSlider->setMaximumSize( QSize( 80, 200 ) );
729 speedSlider->setOrientation( Qt::Vertical );
730 speedSlider->setTickPosition( QSlider::TicksRight );
732 speedSlider->setRange( -100, 100 );
733 speedSlider->setSingleStep( 10 );
734 speedSlider->setPageStep( 20 );
735 speedSlider->setTickInterval( 20 );
737 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
739 normalSpeedButton = new QPushButton( "N" );
740 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
741 normalSpeedButton->setFlat( true );
742 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
744 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
746 QVBoxLayout *speedControlLayout = new QVBoxLayout;
747 speedControlLayout->addWidget(speedSlider);
748 speedControlLayout->addWidget(normalSpeedButton);
749 setLayout(speedControlLayout);
752 SpeedControlWidget::~SpeedControlWidget()
755 #define RATE_SLIDER_MAXIMUM 3.0
756 #define RATE_SLIDER_MINIMUM 0.3
757 #define RATE_SLIDER_LENGTH 100.0
759 void SpeedControlWidget::updateControls( int rate )
761 if( speedSlider->isSliderDown() )
763 //We don't want to change anything if the user is using the slider
768 double speed = INPUT_RATE_DEFAULT / (double)rate;
770 if( rate >= INPUT_RATE_DEFAULT )
772 if( speed < RATE_SLIDER_MINIMUM )
774 sliderValue = speedSlider->minimum();
778 sliderValue = (int)( ( speed - 1.0 ) * RATE_SLIDER_LENGTH
779 / ( 1.0 - RATE_SLIDER_MAXIMUM ) );
784 if( speed > RATE_SLIDER_MAXIMUM )
786 sliderValue = speedSlider->maximum();
790 sliderValue = (int)( ( speed - 1.0 ) * RATE_SLIDER_LENGTH
791 / ( RATE_SLIDER_MAXIMUM - 1.0 ) );
795 //Block signals to avoid feedback loop
796 speedSlider->blockSignals( true );
797 speedSlider->setValue( sliderValue );
798 speedSlider->blockSignals( false );
801 void SpeedControlWidget::updateRate( int sliderValue )
805 if( sliderValue < 0.0 )
807 rate = INPUT_RATE_DEFAULT* RATE_SLIDER_LENGTH /
808 ( sliderValue * ( 1.0 - RATE_SLIDER_MINIMUM ) + RATE_SLIDER_LENGTH );
812 rate = INPUT_RATE_DEFAULT* RATE_SLIDER_LENGTH /
813 ( sliderValue * ( RATE_SLIDER_MAXIMUM - 1.0 ) + RATE_SLIDER_LENGTH );
816 THEMIM->getIM()->setRate(rate);
819 void SpeedControlWidget::resetRate()
821 THEMIM->getIM()->setRate(INPUT_RATE_DEFAULT);