1 /*****************************************************************************
2 * interface_widgets.cpp : Custom widgets for the main interface
3 ****************************************************************************
4 * Copyright (C) 2006-2010 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 *****************************************************************************/
32 #include "components/interface_widgets.hpp"
33 #include "dialogs_provider.hpp"
34 #include "util/customwidgets.hpp" // qtEventToVLCKey, QVLCStackedWidget
36 #include "menus.hpp" /* Popup menu on bgWidget */
41 #include <QToolButton>
44 #include <QResizeEvent>
47 #include <QWidgetAction>
48 #include <QDesktopWidget>
55 # include <X11/Xlib.h>
56 # include <qx11info_x11.h>
62 /**********************************************************************
63 * Video Widget. A simple frame on which video is drawn
64 * This class handles resize issues
65 **********************************************************************/
67 VideoWidget::VideoWidget( intf_thread_t *_p_i )
68 : QFrame( NULL ) , p_intf( _p_i )
70 /* Set the policy to expand in both directions */
71 // setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
73 layout = new QHBoxLayout( this );
74 layout->setContentsMargins( 0, 0, 0, 0 );
79 VideoWidget::~VideoWidget()
81 /* Ensure we are not leaking the video output. This would crash. */
85 void VideoWidget::sync( void )
88 /* Make sure the X server has processed all requests.
89 * This protects other threads using distinct connections from getting
90 * the video widget window in an inconsistent states. */
91 XSync( QX11Info::display(), False );
96 * Request the video to avoid the conflicts
98 WId VideoWidget::request( int *pi_x, int *pi_y,
99 unsigned int *pi_width, unsigned int *pi_height,
102 msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
106 msg_Dbg( p_intf, "embedded video already in use" );
111 *pi_width = size().width();
112 *pi_height = size().height();
115 /* The owner of the video window needs a stable handle (WinId). Reparenting
116 * in Qt4-X11 changes the WinId of the widget, so we need to create another
117 * dummy widget that stays within the reparentable widget. */
118 stable = new QWidget();
119 QPalette plt = palette();
120 plt.setColor( QPalette::Window, Qt::black );
121 stable->setPalette( plt );
122 stable->setAutoFillBackground(true);
123 /* Indicates that the widget wants to draw directly onto the screen.
124 Widgets with this attribute set do not participate in composition
126 /* This is currently disabled on X11 as it does not seem to improve
127 * performance, but causes the video widget to be transparent... */
129 stable->setAttribute( Qt::WA_PaintOnScreen, true );
132 layout->addWidget( stable );
135 /* HACK: Only one X11 client can subscribe to mouse button press events.
136 * VLC currently handles those in the video display.
137 * Force Qt4 to unsubscribe from mouse press and release events. */
138 Display *dpy = QX11Info::display();
139 Window w = stable->winId();
140 XWindowAttributes attr;
142 XGetWindowAttributes( dpy, w, &attr );
143 attr.your_event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
144 XSelectInput( dpy, w, attr.your_event_mask );
147 return stable->winId();
150 /* Set the Widget to the correct Size */
151 /* Function has to be called by the parent
152 Parent has to care about resizing itself */
153 void VideoWidget::SetSizing( unsigned int w, unsigned int h )
156 emit sizeChanged( w, h );
157 /* Work-around a bug?misconception? that would happen when vout core resize
158 twice to the same size and would make the vout not centered.
159 This cause a small flicker.
162 if( (unsigned)size().width() == w && (unsigned)size().height() == h )
167 void VideoWidget::release( void )
169 msg_Dbg( p_intf, "Video is not needed anymore" );
173 layout->removeWidget( stable );
174 stable->deleteLater();
181 /**********************************************************************
182 * Background Widget. Show a simple image background. Currently,
183 * it's album art if present or cone.
184 **********************************************************************/
186 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
187 :QWidget( NULL ), p_intf( _p_i ), b_expandPixmap( false ), b_withart( true )
189 /* A dark background */
190 setAutoFillBackground( true );
191 QPalette plt = palette();
192 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
193 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
196 /* Init the cone art */
199 CONNECT( THEMIM->getIM(), artChanged( QString ),
200 this, updateArt( const QString& ) );
203 void BackgroundWidget::updateArt( const QString& url )
205 if ( !url.isEmpty() )
211 if( QDate::currentDate().dayOfYear() >= QT_XMAS_JOKE_DAY && var_InheritBool( p_intf, "qt-icon-change" ) )
212 pixmapUrl = QString( ":/logo/vlc128-xmas.png" );
214 pixmapUrl = QString( ":/logo/vlc128.png" );
219 void BackgroundWidget::paintEvent( QPaintEvent *e )
223 /* we just want background autofill */
224 QWidget::paintEvent( e );
228 int i_maxwidth, i_maxheight;
229 QPixmap pixmap = QPixmap( pixmapUrl );
230 QPainter painter(this);
234 i_maxwidth = __MIN( maximumWidth(), width() ) - MARGIN * 2;
235 i_maxheight = __MIN( maximumHeight(), height() ) - MARGIN * 2;
237 if ( height() > MARGIN * 2 )
239 /* Scale down the pixmap if the widget is too small */
240 if( pixmap.width() > i_maxwidth || pixmap.height() > i_maxheight )
242 pixmap = pixmap.scaled( i_maxwidth, i_maxheight,
243 Qt::KeepAspectRatio, Qt::SmoothTransformation );
246 if ( b_expandPixmap &&
247 pixmap.width() < width() && pixmap.height() < height() )
249 /* Scale up the pixmap to fill widget's size */
250 f_alpha = ( (float) pixmap.height() / (float) height() );
251 pixmap = pixmap.scaled(
252 width() - MARGIN * 2,
253 height() - MARGIN * 2,
255 ( f_alpha < .2 )? /* Don't waste cpu when not visible */
256 Qt::SmoothTransformation:
257 Qt::FastTransformation
259 /* Non agressive alpha compositing when sizing up */
260 pMask = QBitmap( pixmap.width(), pixmap.height() );
261 pMask.fill( QColor::fromRgbF( 1.0, 1.0, 1.0, f_alpha ) );
262 pixmap.setMask( pMask );
266 MARGIN + ( i_maxwidth - pixmap.width() ) /2,
267 MARGIN + ( i_maxheight - pixmap.height() ) /2,
270 QWidget::paintEvent( e );
273 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
275 QVLCMenu::PopupMenu( p_intf, true );
280 #include <QPushButton>
281 #include <QHBoxLayout>
283 /**********************************************************************
284 * Visualization selector panel
285 **********************************************************************/
286 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
287 QFrame( NULL ), p_intf( _p_i )
289 QHBoxLayout *layout = new QHBoxLayout( this );
290 layout->setMargin( 0 );
291 QPushButton *prevButton = new QPushButton( "Prev" );
292 QPushButton *nextButton = new QPushButton( "Next" );
293 layout->addWidget( prevButton );
294 layout->addWidget( nextButton );
296 layout->addStretch( 10 );
297 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
299 current = new QLabel( qtr( "None" ) );
300 layout->addWidget( current );
302 BUTTONACT( prevButton, prev() );
303 BUTTONACT( nextButton, next() );
306 setMaximumHeight( 35 );
309 VisualSelector::~VisualSelector()
312 void VisualSelector::prev()
314 char *psz_new = aout_VisualPrev( p_intf );
317 current->setText( qfu( psz_new ) );
322 void VisualSelector::next()
324 char *psz_new = aout_VisualNext( p_intf );
327 current->setText( qfu( psz_new ) );
333 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, QWidget *parent )
334 : QLabel( parent ), p_intf( _p_intf )
336 tooltipStringPattern = qtr( "Current playback speed: %1\nClick to adjust" );
338 /* Create the Speed Control Widget */
339 speedControl = new SpeedControlWidget( p_intf, this );
340 speedControlMenu = new QMenu( this );
342 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
343 widgetAction->setDefaultWidget( speedControl );
344 speedControlMenu->addAction( widgetAction );
346 /* Change the SpeedRate in the Status Bar */
347 CONNECT( THEMIM->getIM(), rateChanged( float ), this, setRate( float ) );
349 DCONNECT( THEMIM, inputChanged( input_thread_t * ),
350 speedControl, activateOnState() );
351 setRate( var_InheritFloat( p_intf, "rate" ) );
354 SpeedLabel::~SpeedLabel()
357 delete speedControlMenu;
360 /****************************************************************************
361 * Small right-click menu for rate control
362 ****************************************************************************/
364 void SpeedLabel::showSpeedMenu( QPoint pos )
366 speedControlMenu->exec( QCursor::pos() - pos
367 + QPoint( 0, height() ) );
370 void SpeedLabel::setRate( float rate )
373 str.setNum( rate, 'f', 2 );
376 setToolTip( tooltipStringPattern.arg( str ) );
377 speedControl->updateControls( rate );
380 /**********************************************************************
381 * Speed control widget
382 **********************************************************************/
383 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
384 : QFrame( _parent ), p_intf( _p_i )
386 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
387 sizePolicy.setHorizontalStretch( 0 );
388 sizePolicy.setVerticalStretch( 0 );
390 speedSlider = new QSlider( this );
391 speedSlider->setSizePolicy( sizePolicy );
392 speedSlider->setMaximumSize( QSize( 80, 200 ) );
393 speedSlider->setOrientation( Qt::Vertical );
394 speedSlider->setTickPosition( QSlider::TicksRight );
396 speedSlider->setRange( -34, 34 );
397 speedSlider->setSingleStep( 1 );
398 speedSlider->setPageStep( 1 );
399 speedSlider->setTickInterval( 17 );
401 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
403 QToolButton *normalSpeedButton = new QToolButton( this );
404 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
405 normalSpeedButton->setAutoRaise( true );
406 normalSpeedButton->setText( "1x" );
407 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
409 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
411 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
412 speedControlLayout->setContentsMargins( 4, 4, 4, 4 );
413 speedControlLayout->setSpacing( 4 );
414 speedControlLayout->addWidget( speedSlider );
415 speedControlLayout->addWidget( normalSpeedButton );
422 void SpeedControlWidget::activateOnState()
424 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
427 void SpeedControlWidget::updateControls( float rate )
429 if( speedSlider->isSliderDown() )
431 //We don't want to change anything if the user is using the slider
435 double value = 17 * log( rate ) / log( 2. );
436 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
438 if( sliderValue < speedSlider->minimum() )
440 sliderValue = speedSlider->minimum();
442 else if( sliderValue > speedSlider->maximum() )
444 sliderValue = speedSlider->maximum();
446 lastValue = sliderValue;
448 speedSlider->setValue( sliderValue );
451 void SpeedControlWidget::updateRate( int sliderValue )
453 if( sliderValue == lastValue )
456 double speed = pow( 2, (double)sliderValue / 17 );
457 int rate = INPUT_RATE_DEFAULT / speed;
459 THEMIM->getIM()->setRate(rate);
462 void SpeedControlWidget::resetRate()
464 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
467 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
468 : QLabel( parent ), p_intf( _p_i )
470 setContextMenuPolicy( Qt::ActionsContextMenu );
471 CONNECT( this, updateRequested(), this, askForUpdate() );
473 setMinimumHeight( 128 );
474 setMinimumWidth( 128 );
475 setMaximumHeight( 128 );
476 setScaledContents( false );
477 setAlignment( Qt::AlignCenter );
479 QList< QAction* > artActions = actions();
480 QAction *action = new QAction( qtr( "Download cover art" ), this );
481 CONNECT( action, triggered(), this, askForUpdate() );
487 CoverArtLabel::~CoverArtLabel()
489 QList< QAction* > artActions = actions();
490 foreach( QAction *act, artActions )
494 void CoverArtLabel::showArtUpdate( const QString& url )
497 if( !url.isEmpty() && pix.load( url ) )
499 pix = pix.scaled( maximumWidth(), maximumHeight(),
500 Qt::KeepAspectRatioByExpanding,
501 Qt::SmoothTransformation );
505 pix = QPixmap( ":/noart.png" );
510 void CoverArtLabel::askForUpdate()
512 THEMIM->getIM()->requestArtUpdate();
515 TimeLabel::TimeLabel( intf_thread_t *_p_intf )
516 : QLabel(), p_intf( _p_intf ), bufTimer( new QTimer(this) ),
517 buffering( false ), showBuffering(false), bufVal( -1 )
519 b_remainingTime = false;
520 setText( " --:--/--:-- " );
521 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
522 setToolTip( QString( "- " )
523 + qtr( "Click to toggle between elapsed and remaining time" )
525 + qtr( "Double click to jump to a chosen time position" ) );
526 bufTimer->setSingleShot( true );
528 CONNECT( THEMIM->getIM(), positionUpdated( float, int64_t, int ),
529 this, setDisplayPosition( float, int64_t, int ) );
530 CONNECT( THEMIM->getIM(), cachingChanged( float ),
531 this, updateBuffering( float ) );
532 CONNECT( bufTimer, timeout(), this, updateBuffering() );
535 void TimeLabel::setDisplayPosition( float pos, int64_t t, int length )
537 showBuffering = false;
542 setText( " --:--/--:-- " );
546 int time = t / 1000000;
548 secstotimestr( psz_length, length );
549 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
552 QString timestr = QString( " %1%2/%3 " )
553 .arg( QString( (b_remainingTime && length) ? "-" : "" ) )
554 .arg( QString( psz_time ) )
555 .arg( QString( ( !length && time ) ? "--:--" : psz_length ) );
559 cachedLength = length;
562 void TimeLabel::setDisplayPosition( float pos )
564 if( pos == -1.f || cachedLength == 0 )
566 setText( " --:--/--:-- " );
570 int time = pos * cachedLength;
571 secstotimestr( psz_time,
572 ( b_remainingTime && cachedLength ?
573 cachedLength - time : time ) );
574 QString timestr = QString( " %1%2/%3 " )
575 .arg( QString( (b_remainingTime && cachedLength) ? "-" : "" ) )
576 .arg( QString( psz_time ) )
577 .arg( QString( ( !cachedLength && time ) ? "--:--" : psz_length ) );
583 void TimeLabel::toggleTimeDisplay()
585 b_remainingTime = !b_remainingTime;
589 void TimeLabel::updateBuffering( float _buffered )
592 if( !buffering || bufVal == 0 )
594 showBuffering = false;
596 bufTimer->start(200);
598 else if( bufVal == 1 )
600 showBuffering = buffering = false;
606 void TimeLabel::updateBuffering()
608 showBuffering = true;
612 void TimeLabel::paintEvent( QPaintEvent* event )
617 r.setLeft( r.width() * bufVal );
620 p.fillRect( r, palette().color( QPalette::Highlight ) );
622 QLabel::paintEvent( event );