1 /*****************************************************************************
2 * interface_widgets.cpp : Custom widgets for the main interface
3 ****************************************************************************
4 * Copyright (C) 2006-2008 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Jean-Baptiste Kempf <jb@videolan.org>
9 * Rafaël Carré <funman@videolanorg>
10 * Ilkka Ollakka <ileoo@videolan.org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * ( at your option ) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
31 #include "components/interface_widgets.hpp"
33 #include "menus.hpp" /* Popup menu on bgWidget */
38 #include <QToolButton>
40 #include <QResizeEvent>
43 #include <QWidgetAction>
46 # include <X11/Xlib.h>
47 # include <qx11info_x11.h>
52 /**********************************************************************
53 * Video Widget. A simple frame on which video is drawn
54 * This class handles resize issues
55 **********************************************************************/
57 VideoWidget::VideoWidget( intf_thread_t *_p_i ) : QFrame( NULL ), p_intf( _p_i )
61 videoSize.rwidth() = -1;
62 videoSize.rheight() = -1;
66 /* Set the policy to expand in both directions */
67 // setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
69 /* Black background is more coherent for a Video Widget */
70 QPalette plt = palette();
71 plt.setColor( QPalette::Window, Qt::black );
73 setAutoFillBackground(true);
75 /* Indicates that the widget wants to draw directly onto the screen.
76 Widgets with this attribute set do not participate in composition
78 setAttribute( Qt::WA_PaintOnScreen, true );
80 /* The core can ask through a callback to show the video. */
81 connect( this, SIGNAL(askVideoWidgetToShow( unsigned int, unsigned int)),
82 this, SLOT(SetSizing(unsigned int, unsigned int )),
83 Qt::BlockingQueuedConnection );
86 void VideoWidget::paintEvent(QPaintEvent *ev)
88 QFrame::paintEvent(ev);
90 XFlush( QX11Info::display() );
94 VideoWidget::~VideoWidget()
96 /* Ensure we are not leaking the video output. This would crash. */
101 * Request the video to avoid the conflicts
103 void *VideoWidget::request( vout_thread_t *p_nvout, int *pi_x, int *pi_y,
104 unsigned int *pi_width, unsigned int *pi_height )
106 msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
107 emit askVideoWidgetToShow( *pi_width, *pi_height );
110 msg_Dbg( p_intf, "embedded video already in use" );
115 msg_Dbg( p_intf, "embedded video ready (handle %p)", winId() );
117 return ( void* )winId();
120 /* Set the Widget to the correct Size */
121 /* Function has to be called by the parent
122 Parent has to care about resizing himself*/
123 void VideoWidget::SetSizing( unsigned int w, unsigned int h )
125 msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
126 videoSize.rwidth() = w;
127 videoSize.rheight() = h;
128 if( isHidden() ) show();
129 updateGeometry(); // Needed for deinterlace
132 void VideoWidget::release( void )
134 msg_Dbg( p_intf, "Video is not needed anymore" );
136 videoSize.rwidth() = 0;
137 videoSize.rheight() = 0;
142 QSize VideoWidget::sizeHint() const
147 /**********************************************************************
148 * Background Widget. Show a simple image background. Currently,
149 * it's album art if present or cone.
150 **********************************************************************/
151 #define ICON_SIZE 128
152 #define MAX_BG_SIZE 400
153 #define MIN_BG_SIZE 128
155 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
156 :QWidget( NULL ), p_intf( _p_i )
158 /* We should use that one to take the more size it can */
159 setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
161 /* A dark background */
162 setAutoFillBackground( true );
164 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
165 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
168 /* A cone in the middle */
170 label->setMargin( 5 );
171 label->setMaximumHeight( MAX_BG_SIZE );
172 label->setMaximumWidth( MAX_BG_SIZE );
173 label->setMinimumHeight( MIN_BG_SIZE );
174 label->setMinimumWidth( MIN_BG_SIZE );
175 if( QDate::currentDate().dayOfYear() >= 354 )
176 label->setPixmap( QPixmap( ":/vlc128-christmas.png" ) );
178 label->setPixmap( QPixmap( ":/vlc128.png" ) );
180 QGridLayout *backgroundLayout = new QGridLayout( this );
181 backgroundLayout->addWidget( label, 0, 1 );
182 backgroundLayout->setColumnStretch( 0, 1 );
183 backgroundLayout->setColumnStretch( 2, 1 );
185 CONNECT( THEMIM->getIM(), artChanged( input_item_t* ),
186 this, updateArt( input_item_t* ) );
189 BackgroundWidget::~BackgroundWidget()
192 void BackgroundWidget::resizeEvent( QResizeEvent * event )
194 if( event->size().height() <= MIN_BG_SIZE )
200 void BackgroundWidget::updateArt( input_item_t *p_item )
205 char *psz_art = input_item_GetArtURL( p_item );
212 if( QDate::currentDate().dayOfYear() >= 354 )
213 label->setPixmap( QPixmap( ":/vlc128-christmas.png" ) );
215 label->setPixmap( QPixmap( ":/vlc128.png" ) );
219 url = url.replace( "file://", QString("" ) );
220 /* Taglib seems to define a attachment://, It won't work yet */
221 url = url.replace( "attachment://", QString("" ) );
222 label->setPixmap( QPixmap( url ) );
226 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
228 QVLCMenu::PopupMenu( p_intf, true );
232 #include <QPushButton>
233 #include <QHBoxLayout>
235 /**********************************************************************
236 * Visualization selector panel
237 **********************************************************************/
238 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
239 QFrame( NULL ), p_intf( _p_i )
241 QHBoxLayout *layout = new QHBoxLayout( this );
242 layout->setMargin( 0 );
243 QPushButton *prevButton = new QPushButton( "Prev" );
244 QPushButton *nextButton = new QPushButton( "Next" );
245 layout->addWidget( prevButton );
246 layout->addWidget( nextButton );
248 layout->addStretch( 10 );
249 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
251 current = new QLabel( qtr( "None" ) );
252 layout->addWidget( current );
254 BUTTONACT( prevButton, prev() );
255 BUTTONACT( nextButton, next() );
258 setMaximumHeight( 35 );
261 VisualSelector::~VisualSelector()
264 void VisualSelector::prev()
266 char *psz_new = aout_VisualPrev( p_intf );
269 current->setText( qfu( psz_new ) );
274 void VisualSelector::next()
276 char *psz_new = aout_VisualNext( p_intf );
279 current->setText( qfu( psz_new ) );
285 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString text )
286 : QLabel( text ), p_intf( _p_intf )
288 setToolTip( qtr( "Current playback speed.\nRight click to adjust" ) );
289 setContextMenuPolicy ( Qt::CustomContextMenu );
291 /* Create the Speed Control Widget */
292 speedControl = new SpeedControlWidget( p_intf, this );
293 speedControlMenu = new QMenu( this );
295 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
296 widgetAction->setDefaultWidget( speedControl );
297 speedControlMenu->addAction( widgetAction );
299 /* Speed Label behaviour:
300 - right click gives the vertical speed slider */
301 CONNECT( this, customContextMenuRequested( QPoint ),
302 this, showSpeedMenu( QPoint ) );
304 /* Change the SpeedRate in the Status Bar */
305 CONNECT( THEMIM->getIM(), rateChanged( int ), this, setRate( int ) );
307 CONNECT( THEMIM, inputChanged( input_thread_t * ),
308 speedControl, activateOnState() );
311 /****************************************************************************
312 * Small right-click menu for rate control
313 ****************************************************************************/
314 void SpeedLabel::showSpeedMenu( QPoint pos )
316 speedControlMenu->exec( QCursor::pos() - pos
317 + QPoint( 0, height() ) );
320 void SpeedLabel::setRate( int rate )
323 str.setNum( ( 1000 / (double)rate ), 'f', 2 );
327 speedControl->updateControls( rate );
330 /**********************************************************************
331 * Speed control widget
332 **********************************************************************/
333 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
334 : QFrame( _parent ), p_intf( _p_i )
336 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
337 sizePolicy.setHorizontalStretch( 0 );
338 sizePolicy.setVerticalStretch( 0 );
340 speedSlider = new QSlider;
341 speedSlider->setSizePolicy( sizePolicy );
342 speedSlider->setMaximumSize( QSize( 80, 200 ) );
343 speedSlider->setOrientation( Qt::Vertical );
344 speedSlider->setTickPosition( QSlider::TicksRight );
346 speedSlider->setRange( -34, 34 );
347 speedSlider->setSingleStep( 1 );
348 speedSlider->setPageStep( 1 );
349 speedSlider->setTickInterval( 17 );
351 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
353 QToolButton *normalSpeedButton = new QToolButton( this );
354 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
355 normalSpeedButton->setAutoRaise( true );
356 normalSpeedButton->setText( "1x" );
357 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
359 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
361 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
362 speedControlLayout->setLayoutMargins( 4, 4, 4, 4, 4 );
363 speedControlLayout->setSpacing( 4 );
364 speedControlLayout->addWidget( speedSlider );
365 speedControlLayout->addWidget( normalSpeedButton );
370 void SpeedControlWidget::activateOnState()
372 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
375 void SpeedControlWidget::updateControls( int rate )
377 if( speedSlider->isSliderDown() )
379 //We don't want to change anything if the user is using the slider
383 double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
384 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
386 if( sliderValue < speedSlider->minimum() )
388 sliderValue = speedSlider->minimum();
390 else if( sliderValue > speedSlider->maximum() )
392 sliderValue = speedSlider->maximum();
395 //Block signals to avoid feedback loop
396 speedSlider->blockSignals( true );
397 speedSlider->setValue( sliderValue );
398 speedSlider->blockSignals( false );
401 void SpeedControlWidget::updateRate( int sliderValue )
403 double speed = pow( 2, (double)sliderValue / 17 );
404 int rate = INPUT_RATE_DEFAULT / speed;
406 THEMIM->getIM()->setRate(rate);
409 void SpeedControlWidget::resetRate()
411 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
414 static int downloadCoverCallback( vlc_object_t *p_this,
416 vlc_value_t oldvar, vlc_value_t newvar,
419 if( !strcmp( psz_var, "item-change" ) )
421 CoverArtLabel *art = static_cast< CoverArtLabel* >( data );
423 art->requestUpdate();
428 CoverArtLabel::CoverArtLabel( QWidget *parent,
429 vlc_object_t *_p_this,
430 input_item_t *_p_input )
431 : QLabel( parent ), p_this( _p_this), p_input( _p_input ), prevArt()
433 setContextMenuPolicy( Qt::ActionsContextMenu );
434 CONNECT( this, updateRequested(), this, doUpdate() );
436 playlist_t *p_playlist = pl_Hold( p_this );
437 var_AddCallback( p_playlist, "item-change",
438 downloadCoverCallback, this );
439 pl_Release( p_this );
441 setMinimumHeight( 128 );
442 setMinimumWidth( 128 );
443 setMaximumHeight( 128 );
444 setMaximumWidth( 128 );
445 setScaledContents( true );
450 CoverArtLabel::~CoverArtLabel()
452 playlist_t *p_playlist = pl_Hold( p_this );
453 var_DelCallback( p_playlist, "item-change", downloadCoverCallback, this );
454 pl_Release( p_this );
457 vlc_gc_decref( p_input );
460 void CoverArtLabel::downloadCover()
464 playlist_t *p_playlist = pl_Hold( p_this );
465 playlist_AskForArtEnqueue( p_playlist, p_input, pl_Unlocked );
466 pl_Release( p_this );
470 void CoverArtLabel::doUpdate()
474 setPixmap( QPixmap( ":/noart.png" ) );
475 QList< QAction* > artActions = actions();
476 if( !artActions.isEmpty() )
477 foreach( QAction *act, artActions )
483 char *psz_meta = input_item_GetArtURL( p_input );
484 if( psz_meta && !strncmp( psz_meta, "file://", 7 ) )
486 QString artUrl = qfu( psz_meta ).replace( "file://", "" );
487 if( artUrl != prevArt )
490 if( pix.load( artUrl ) )
494 msg_Dbg( p_this, "Qt could not load image '%s'",
496 setPixmap( QPixmap( ":/noart.png" ) );
499 QList< QAction* > artActions = actions();
500 if( !artActions.isEmpty() )
502 foreach( QAction *act, artActions )
510 setPixmap( QPixmap( ":/noart.png" ) );
512 QList< QAction* > artActions = actions();
513 if( artActions.isEmpty() )
515 QAction *action = new QAction( qtr( "Download cover art" ),
518 CONNECT( action, triggered(),
519 this, downloadCover() );
526 TimeLabel::TimeLabel( intf_thread_t *_p_intf ) :QLabel(), p_intf( _p_intf )
528 b_remainingTime = false;
529 setText( " --:--/--:-- " );
530 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
531 setToolTip( qtr( "Toggle between elapsed and remaining time" ) );
534 CONNECT( THEMIM->getIM(), cachingChanged( float ),
535 this, setCaching( float ) );
536 CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
537 this, setDisplayPosition( float, int, int ) );
540 void TimeLabel::setDisplayPosition( float pos, int time, int length )
542 char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
543 secstotimestr( psz_length, length );
544 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
548 timestr.sprintf( "%s/%s", psz_time,
549 ( !length && time ) ? "--:--" : psz_length );
551 /* Add a minus to remaining time*/
552 if( b_remainingTime && length ) setText( " -"+timestr+" " );
553 else setText( " "+timestr+" " );
556 void TimeLabel::toggleTimeDisplay()
558 b_remainingTime = !b_remainingTime;
561 void TimeLabel::setCaching( float f_cache )
563 setText( "Buffering" );