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"
28 #include "components/interface_widgets.hpp"
29 #include "main_interface.hpp"
30 #include "input_manager.hpp"
32 #include "util/input_slider.hpp"
36 #include <QSpacerItem>
38 #include <QPushButton>
39 #include <QHBoxLayout>
42 #include <QResizeEvent>
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 );
124 label = new QLabel( "" );
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 /**********************************************************************
162 * Visualization selector panel
163 **********************************************************************/
164 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
165 QFrame( NULL ), p_intf( _p_i )
167 QHBoxLayout *layout = new QHBoxLayout( this );
168 layout->setMargin( 0 );
169 QPushButton *prevButton = new QPushButton( "Prev" );
170 QPushButton *nextButton = new QPushButton( "Next" );
171 layout->addWidget( prevButton );
172 layout->addWidget( nextButton );
174 layout->addItem( new QSpacerItem( 40,20,
175 QSizePolicy::Expanding, QSizePolicy::Minimum ) );
176 layout->addWidget( new QLabel( qtr( "Current visualization:" ) ) );
178 current = new QLabel( qtr( "None" ) );
179 layout->addWidget( current );
181 BUTTONACT( prevButton, prev() );
182 BUTTONACT( nextButton, next() );
185 setMaximumHeight( 35 );
188 VisualSelector::~VisualSelector()
192 void VisualSelector::prev()
194 char *psz_new = aout_VisualPrev( p_intf );
197 current->setText( qfu( psz_new ) );
202 void VisualSelector::next()
204 char *psz_new = aout_VisualNext( p_intf );
207 current->setText( qfu( psz_new ) );
212 /**********************************************************************
214 **********************************************************************/
216 #define setupSmallButton( aButton ){ \
217 aButton->setMaximumSize( QSize( 26, 26 ) ); \
218 aButton->setMinimumSize( QSize( 26, 26 ) ); \
219 aButton->setIconSize( QSize( 20, 20 ) ); }
221 AdvControlsWidget::AdvControlsWidget( intf_thread_t *_p_i ) :
222 QFrame( NULL ), p_intf( _p_i )
224 QHBoxLayout *advLayout = new QHBoxLayout( this );
225 advLayout->setMargin( 0 );
226 advLayout->setSpacing( 0 );
228 /* FIXME A to B function */
229 ABButton = new QPushButton( "AB" );
230 ABButton->setMaximumSize( QSize( 26, 26 ) );
231 ABButton->setIconSize( QSize( 20, 20 ) );
232 advLayout->addWidget( ABButton );
233 BUTTON_SET_ACT( ABButton, "AB", qtr( "A to B" ), fromAtoB() );
235 snapshotButton = new QPushButton( "S" );
236 snapshotButton->setMaximumSize( QSize( 26, 26 ) );
237 snapshotButton->setIconSize( QSize( 20, 20 ) );
238 advLayout->addWidget( snapshotButton );
239 BUTTON_SET_ACT( snapshotButton, "S", qtr( "Take a snapshot" ), snapshot() );
241 //FIXME Frame by frame function
242 frameButton = new QPushButton( "Fr" );
243 frameButton->setMaximumSize( QSize( 26, 26 ) );
244 frameButton->setIconSize( QSize( 20, 20 ) );
245 advLayout->addWidget( frameButton );
246 BUTTON_SET_ACT( frameButton, "Fr", qtr( "Frame by Frame" ), frame() );
248 /* FIXME Record function */
249 recordButton = new QPushButton( "R" );
250 recordButton->setMaximumSize( QSize( 26, 26 ) );
251 recordButton->setIconSize( QSize( 20, 20 ) );
252 advLayout->addWidget( recordButton );
253 BUTTON_SET_ACT_I( recordButton, "", vlc_record_16px.png,
254 qtr( "Record" ), record() );
256 normalButton = new QPushButton( "N" );
257 normalButton->setMaximumSize( QSize( 26, 26 ) );
258 normalButton->setIconSize( QSize( 20, 20 ) );
259 advLayout->addWidget( normalButton );
260 BUTTON_SET_ACT( normalButton, "N", qtr( "Normal rate" ), normal() );
264 AdvControlsWidget::~AdvControlsWidget()
268 void AdvControlsWidget::enableInput( bool enable )
270 ABButton->setEnabled( enable );
271 recordButton->setEnabled( enable );
272 normalButton->setEnabled( enable );
274 void AdvControlsWidget::enableVideo( bool enable )
276 snapshotButton->setEnabled( enable );
277 frameButton->setEnabled( enable );
280 void AdvControlsWidget::normal()
282 THEMIM->getIM()->normalRate();
285 void AdvControlsWidget::snapshot()
287 vout_thread_t *p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
288 if( p_vout ) vout_Control( p_vout, VOUT_SNAPSHOT );
291 void AdvControlsWidget::frame(){}
292 void AdvControlsWidget::fromAtoB(){}
293 void AdvControlsWidget::record(){}
295 /*****************************
296 * DA Control Widget !
297 *****************************/
298 ControlsWidget::ControlsWidget( intf_thread_t *_p_i, bool b_advControls ) :
299 QFrame( NULL ), p_intf( _p_i )
301 //QSize size( 500, 200 );
303 controlLayout = new QGridLayout( this );
307 palette2.setColor(this->backgroundRole(), Qt::magenta);
308 setPalette(palette2);
311 /** The main Slider **/
312 slider = new InputSlider( Qt::Horizontal, NULL );
313 controlLayout->addWidget( slider, 0, 1, 1, 16 );
314 /* Update the position when the IM has changed */
315 CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
316 slider, setPosition( float,int, int ) );
317 /* And update the IM, when the position has changed */
318 CONNECT( slider, sliderDragged( float ),
319 THEMIM->getIM(), sliderUpdate( float ) );
321 /** Slower and faster Buttons **/
322 slowerButton = new QPushButton( "S" );
323 BUTTON_SET_ACT( slowerButton, "S", qtr( "Slower" ), slower() );
324 controlLayout->addWidget( slowerButton, 0, 0 );
325 slowerButton->setMaximumSize( QSize( 26, 20 ) );
327 fasterButton = new QPushButton( "F" );
328 BUTTON_SET_ACT( fasterButton, "F", qtr( "Faster" ), faster() );
329 controlLayout->addWidget( fasterButton, 0, 17 );
330 fasterButton->setMaximumSize( QSize( 26, 20 ) );
332 /** TODO: Insert here the AdvControls Widget
333 * Then fix all the size issues in main_interface.cpp
335 /* advanced Controls handling */
336 b_advancedVisible = b_advControls;
338 advControls = new AdvControlsWidget( p_intf );
339 controlLayout->addWidget( advControls, 1, 3, 2, 5, Qt::AlignBottom );
340 if( !b_advancedVisible ) advControls->hide();
341 //THIS should be removed. need_components_update = true;
343 /** Disc and Menus handling */
344 discFrame = new QFrame( this );
346 QHBoxLayout *discLayout = new QHBoxLayout( discFrame );
347 discLayout->setSpacing( 0 );
348 discLayout->setMargin( 0 );
350 prevSectionButton = new QPushButton( discFrame );
351 setupSmallButton( prevSectionButton );
352 discLayout->addWidget( prevSectionButton );
354 menuButton = new QPushButton( discFrame );
355 setupSmallButton( menuButton );
356 discLayout->addWidget( menuButton );
358 nextSectionButton = new QPushButton( discFrame );
359 setupSmallButton( nextSectionButton );
360 discLayout->addWidget( nextSectionButton );
362 controlLayout->addWidget( discFrame, 1, 10, 2, 3, Qt::AlignBottom );
364 BUTTON_SET_IMG( prevSectionButton, "", previous.png, "" );
365 BUTTON_SET_IMG( nextSectionButton, "", next.png, "" );
366 BUTTON_SET_IMG( menuButton, "", previous.png, "" );
370 /* Change the navigation button display when the IM navigation changes */
371 CONNECT( THEMIM->getIM(), navigationChanged( int ),
372 this, setNavigation( int ) );
373 /* Changes the IM navigation when triggered on the nav buttons */
374 CONNECT( prevSectionButton, clicked(), THEMIM->getIM(),
376 CONNECT( nextSectionButton, clicked(), THEMIM->getIM(),
378 CONNECT( menuButton, clicked(), THEMIM->getIM(),
386 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
387 sizePolicy.setHorizontalStretch( 0 );
388 sizePolicy.setVerticalStretch( 0 );
391 playButton = new QPushButton;
392 playButton->setSizePolicy( sizePolicy );
393 playButton->setMaximumSize( QSize( 45, 45 ) );
394 playButton->setIconSize( QSize( 30, 30 ) );
396 controlLayout->addWidget( playButton, 2, 0, 2, 2, Qt::AlignBottom );
398 controlLayout->setColumnMinimumWidth( 2, 20 );
399 controlLayout->setColumnStretch( 2, 0 );
401 /** Prev + Stop + Next Block **/
402 QHBoxLayout *controlButLayout = new QHBoxLayout;
403 controlButLayout->setSpacing( 0 ); /* Don't remove that, will be useful */
406 QPushButton *prevButton = new QPushButton;
407 prevButton->setSizePolicy( sizePolicy );
408 setupSmallButton( prevButton );
410 controlButLayout->addWidget( prevButton );
413 QPushButton *stopButton = new QPushButton;
414 stopButton->setSizePolicy( sizePolicy );
415 setupSmallButton( stopButton );
417 controlButLayout->addWidget( stopButton );
420 QPushButton *nextButton = new QPushButton;
421 nextButton->setSizePolicy( sizePolicy );
422 setupSmallButton( nextButton );
424 controlButLayout->addWidget( nextButton );
426 /* Add this block to the main layout */
427 controlLayout->addLayout( controlButLayout, 3, 3, 1, 3 );
429 BUTTON_SET_ACT_I( playButton, "", play.png, qtr( "Play" ), play() );
430 BUTTON_SET_ACT_I( prevButton, "" , previous.png,
431 qtr( "Previous" ), prev() );
432 BUTTON_SET_ACT_I( nextButton, "", next.png, qtr( "Next" ), next() );
433 BUTTON_SET_ACT_I( stopButton, "", stop.png, qtr( "Stop" ), stop() );
435 controlLayout->setColumnStretch( 8 , 10 );
436 controlLayout->setColumnStretch( 9, 0 );
439 * Other first Line buttons
440 * Might need to be inside a frame to avoid a few resizing pb
443 /** Fullscreen/Visualisation **/
444 fullscreenButton = new QPushButton( "F" );
445 BUTTON_SET_ACT( fullscreenButton, "F", qtr( "Fullscreen" ), fullscreen() );
446 setupSmallButton( fullscreenButton );
447 controlLayout->addWidget( fullscreenButton, 3, 10 );
449 /** Playlist Button **/
450 playlistButton = new QPushButton;
451 setupSmallButton( playlistButton );
452 controlLayout->addWidget( playlistButton, 3, 11 );
454 /** extended Settings **/
455 QPushButton *extSettingsButton = new QPushButton( "F" );
456 BUTTON_SET_ACT( extSettingsButton, "Ex", qtr( "Extended Settings" ),
458 setupSmallButton( extSettingsButton );
459 controlLayout->addWidget( extSettingsButton, 3, 12 );
461 controlLayout->setColumnStretch( 14, 5 );
464 VolumeClickHandler *h = new VolumeClickHandler( p_intf, this );
466 volMuteLabel = new QLabel;
467 volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-high.png" ) );
468 volMuteLabel->setToolTip( qtr( "Mute" ) );
469 volMuteLabel->installEventFilter( h );
472 * Change this slider to use a nice Amarok-like one
473 * Add a Context menu to change to the most useful %
476 * THis percerntage thing has to be handled correctly
477 * This has to match to the OSD
479 volumeSlider = new QSlider;
480 volumeSlider->setSizePolicy( sizePolicy );
481 volumeSlider->setMaximumSize( QSize( 80, 200 ) );
482 volumeSlider->setOrientation( Qt::Horizontal );
484 volumeSlider->setMaximum( VOLUME_MAX );
485 volumeSlider->setFocusPolicy( Qt::NoFocus );
486 controlLayout->addWidget( volMuteLabel, 3, 15 );
487 controlLayout->addWidget( volumeSlider, 3, 16, 1, 2 );
489 /* Volume control connection */
490 CONNECT( volumeSlider, valueChanged( int ), this, updateVolume( int ) );
492 ControlsWidget::~ControlsWidget()
495 void ControlsWidget::stop()
500 void ControlsWidget::play()
503 msg_Dbg( p_intf, "There is %i playlist items", THEPL->items.i_size ); /* FIXME: remove me */
504 if( playlist_IsEmpty( THEPL ) )
506 /* The playlist is empty, open a file requester */
507 THEDP->openFileDialog();
511 THEMIM->togglePlayPause();
514 void ControlsWidget::prev()
519 void ControlsWidget::next()
524 void ControlsWidget::setNavigation( int navigation )
526 #define HELP_MENU N_( "Menu" )
527 #define HELP_PCH N_( "Previous chapter" )
528 #define HELP_NCH N_( "Next chapter" )
529 #define HELP_PTR N_( "Previous track" )
530 #define HELP_NTR N_( "Next track" )
532 // 1 = chapter, 2 = title, 0 = no
533 if( navigation == 0 )
536 } else if( navigation == 1 ) {
537 prevSectionButton->setToolTip( qfu( HELP_PCH ) );
538 nextSectionButton->setToolTip( qfu( HELP_NCH ) );
542 prevSectionButton->setToolTip( qfu( HELP_PCH ) );
543 nextSectionButton->setToolTip( qfu( HELP_NCH ) );
549 static bool b_my_volume;
550 void ControlsWidget::updateVolume( int i_sliderVolume )
554 int i_res = i_sliderVolume * (AOUT_VOLUME_MAX / 2) / VOLUME_MAX;
555 aout_VolumeSet( p_intf, i_res );
557 if( i_sliderVolume == 0 )
558 volMuteLabel->setPixmap( QPixmap(":/pixmaps/volume-muted.png" ) );
559 else if( i_sliderVolume < VOLUME_MAX / 2 )
560 volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-low.png" ) );
561 else volMuteLabel->setPixmap( QPixmap( ":/pixmaps/volume-high.png" ) );
564 void ControlsWidget::updateOnTimer()
567 audio_volume_t i_volume;
568 aout_VolumeGet( p_intf, &i_volume );
569 i_volume = ( i_volume * VOLUME_MAX )/ (AOUT_VOLUME_MAX/2) ;
570 int i_gauge = volumeSlider->value();
572 if( i_volume - i_gauge > 1 || i_gauge - i_volume > 1 )
575 volumeSlider->setValue( i_volume );
579 /* Activate the interface buttons according to the presence of the input */
580 enableInput( THEMIM->getIM()->hasInput() );
581 //enableVideo( THEMIM->getIM()->hasVideo() );
585 void ControlsWidget::setStatus( int status )
587 if( status == PLAYING_S ) // Playing
588 playButton->setIcon( QIcon( ":/pixmaps/pause.png" ) );
590 playButton->setIcon( QIcon( ":/pixmaps/play.png" ) );
595 * This functions toggle the fullscreen mode
596 * If there is no video, it should first activate Visualisations...
597 * This has also to be fixed in enableVideo()
599 void ControlsWidget::fullscreen()
601 vout_thread_t *p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT, FIND_ANYWHERE );
604 var_SetBool( p_vout, "fullscreen", !var_GetBool( p_vout, "fullscreen" ) );
605 vlc_object_release( p_vout );
609 void ControlsWidget::extSettings()
611 THEDP->extendedDialog();
614 void ControlsWidget::slower()
616 THEMIM->getIM()->slower();
619 void ControlsWidget::faster()
621 THEMIM->getIM()->faster();
624 void ControlsWidget::enableInput( bool enable )
626 slowerButton->setEnabled( enable );
627 slider->setEnabled( enable );
628 fasterButton->setEnabled( enable );
630 /* Advanced Buttons too */
631 advControls->enableInput( enable );
634 void ControlsWidget::enableVideo( bool enable )
636 // TODO Later make the fullscreenButton toggle Visualisation and so on.
637 fullscreenButton->setEnabled( enable );
639 /* Advanced Buttons too */
640 advControls->enableVideo( enable );
643 void ControlsWidget::toggleAdvanced()
645 if( !VISIBLE( advControls ) )
648 b_advancedVisible = true;
653 b_advancedVisible = false;
655 //FIXME connect this one :D
656 emit advancedControlsToggled( b_advancedVisible ); // doComponentsUpdate();
659 /**********************************************************************
660 * Playlist Widget. The embedded playlist
661 **********************************************************************/
662 #include "components/playlist/panels.hpp"
663 #include "components/playlist/selector.hpp"
665 PlaylistWidget::PlaylistWidget( intf_thread_t *_p_i ) :
668 /* Left Part and design */
669 QWidget *leftW = new QWidget( this );
670 QVBoxLayout *left = new QVBoxLayout( leftW );
672 /* Source Selector */
673 selector = new PLSelector( this, p_intf, THEPL );
674 left->addWidget( selector );
677 art = new QLabel( "" );
678 art->setMinimumHeight( 128 );
679 art->setMinimumWidth( 128 );
680 art->setMaximumHeight( 128 );
681 art->setMaximumWidth( 128 );
682 art->setScaledContents( true );
683 art->setPixmap( QPixmap( ":/noart.png" ) );
684 left->addWidget( art );
686 /* Initialisation of the playlist */
687 playlist_item_t *p_root = playlist_GetPreferredNode( THEPL,
688 THEPL->p_local_category );
690 rightPanel = qobject_cast<PLPanel *>( new StandardPLPanel( this,
691 p_intf, THEPL, p_root ) );
694 CONNECT( selector, activated( int ), rightPanel, setRoot( int ) );
696 CONNECT( qobject_cast<StandardPLPanel *>( rightPanel )->model,
697 artSet( QString ) , this, setArt( QString ) );
698 /* Forward removal requests from the selector to the main panel */
699 CONNECT( qobject_cast<PLSelector *>( selector )->model,
701 qobject_cast<StandardPLPanel *>( rightPanel ), removeItem( int ) );
703 connect( selector, SIGNAL( activated( int ) ),
704 this, SIGNAL( rootChanged( int ) ) );
705 emit rootChanged( p_root->i_id );
707 /* Add the two sides of the QSplitter */
709 addWidget( rightPanel );
711 leftW->setMaximumWidth( 250 );
712 setCollapsible( 1, false );
715 sizeList << 180 << 520 ;
716 setSizes( sizeList );
719 void PlaylistWidget::setArt( QString url )
722 art->setPixmap( QPixmap( ":/noart.png" ) );
723 else if( prevArt != url )
725 art->setPixmap( QPixmap( url ) );
731 PlaylistWidget::~PlaylistWidget()
735 QSize PlaylistWidget::sizeHint() const
740 /**********************************************************************
741 * Speed control widget
742 **********************************************************************/
743 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i ) :
744 QFrame( NULL ), p_intf( _p_i )
746 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
747 sizePolicy.setHorizontalStretch( 0 );
748 sizePolicy.setVerticalStretch( 0 );
750 speedSlider = new QSlider;
751 speedSlider->setSizePolicy( sizePolicy );
752 speedSlider->setMaximumSize( QSize( 80, 200 ) );
753 speedSlider->setOrientation( Qt::Vertical );
754 speedSlider->setTickPosition( QSlider::TicksRight );
756 speedSlider->setRange( -100, 100 );
757 speedSlider->setSingleStep( 10 );
758 speedSlider->setPageStep( 20 );
759 speedSlider->setTickInterval( 20 );
761 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
763 normalSpeedButton = new QPushButton( "N" );
764 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
765 normalSpeedButton->setFlat( true );
766 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
768 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
770 QVBoxLayout *speedControlLayout = new QVBoxLayout;
771 speedControlLayout->addWidget(speedSlider);
772 speedControlLayout->addWidget(normalSpeedButton);
773 setLayout(speedControlLayout);
776 SpeedControlWidget::~SpeedControlWidget()
780 #define RATE_SLIDER_MAXIMUM 3.0
781 #define RATE_SLIDER_MINIMUM 0.3
782 #define RATE_SLIDER_LENGTH 100.0
784 void SpeedControlWidget::updateControls( int rate )
786 if( speedSlider->isSliderDown() )
788 //We don't want to change anything if the user is using the slider
793 double speed = INPUT_RATE_DEFAULT / (double)rate;
795 if( rate >= INPUT_RATE_DEFAULT )
797 if( speed < RATE_SLIDER_MINIMUM )
799 sliderValue = speedSlider->minimum();
803 sliderValue = (int)( ( speed - 1.0 ) * RATE_SLIDER_LENGTH
804 / ( 1.0 - RATE_SLIDER_MAXIMUM ) );
809 if( speed > RATE_SLIDER_MAXIMUM )
811 sliderValue = speedSlider->maximum();
815 sliderValue = (int)( ( speed - 1.0 ) * RATE_SLIDER_LENGTH
816 / ( RATE_SLIDER_MAXIMUM - 1.0 ) );
820 //Block signals to avoid feedback loop
821 speedSlider->blockSignals( true );
822 speedSlider->setValue( sliderValue );
823 speedSlider->blockSignals( false );
826 void SpeedControlWidget::updateRate( int sliderValue )
830 if( sliderValue < 0.0 )
832 rate = INPUT_RATE_DEFAULT* RATE_SLIDER_LENGTH /
833 ( sliderValue * ( 1.0 - RATE_SLIDER_MINIMUM ) + RATE_SLIDER_LENGTH ) ;
837 rate = INPUT_RATE_DEFAULT* RATE_SLIDER_LENGTH /
838 ( sliderValue * ( RATE_SLIDER_MAXIMUM - 1.0 ) + RATE_SLIDER_LENGTH );
841 THEMIM->getIM()->setRate(rate);
844 void SpeedControlWidget::resetRate()
846 THEMIM->getIM()->setRate(INPUT_RATE_DEFAULT);