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 *****************************************************************************/
31 #include "components/interface_widgets.hpp"
32 #include "dialogs_provider.hpp"
33 #include "util/customwidgets.hpp" // qtEventToVLCKey, QVLCStackedWidget
35 #include "menus.hpp" /* Popup menu on bgWidget */
40 #include <QToolButton>
43 #include <QResizeEvent>
46 #include <QWidgetAction>
47 #include <QDesktopWidget>
54 # include <X11/Xlib.h>
55 # include <qx11info_x11.h>
56 static void videoSync( void )
58 /* Make sure the X server has processed all requests.
59 * This protects other threads using distinct connections from getting
60 * the video widget window in an inconsistent states. */
61 XSync( QX11Info::display(), False );
64 # define videoSync() (void)0
70 class ReparentableWidget : public QWidget
75 ReparentableWidget( VideoWidget *owner ) : owner( owner )
79 /**********************************************************************
80 * Video Widget. A simple frame on which video is drawn
81 * This class handles resize issues
82 **********************************************************************/
84 VideoWidget::VideoWidget( intf_thread_t *_p_i )
87 , reparentable( NULL )
89 /* Set the policy to expand in both directions */
90 // setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
92 layout = new QHBoxLayout( this );
93 layout->setContentsMargins( 0, 0, 0, 0 );
97 VideoWidget::~VideoWidget()
99 /* Ensure we are not leaking the video output. This would crash. */
100 assert( reparentable == NULL );
104 * Request the video to avoid the conflicts
106 WId VideoWidget::request( int *pi_x, int *pi_y,
107 unsigned int *pi_width, unsigned int *pi_height,
110 msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
112 if( reparentable != NULL )
114 msg_Dbg( p_intf, "embedded video already in use" );
119 *pi_width = size().width();
120 *pi_height = size().height();
123 /* The Qt4 UI needs a fixed a widget ("this"), so that the parent layout is
124 * not messed up when we the video is reparented. Hence, we create an extra
125 * reparentable widget, that will be within the VideoWidget in windowed
126 * mode, and within the root window (NULL parent) in full-screen mode.
128 reparentable = new ReparentableWidget( this );
129 reparentable->installEventFilter(this );
130 QLayout *innerLayout = new QHBoxLayout( reparentable );
131 innerLayout->setContentsMargins( 0, 0, 0, 0 );
133 /* The owner of the video window needs a stable handle (WinId). Reparenting
134 * in Qt4-X11 changes the WinId of the widget, so we need to create another
135 * dummy widget that stays within the reparentable widget. */
136 QWidget *stable = new QWidget();
137 QPalette plt = palette();
138 plt.setColor( QPalette::Window, Qt::black );
139 stable->setPalette( plt );
140 stable->setAutoFillBackground(true);
141 /* Indicates that the widget wants to draw directly onto the screen.
142 Widgets with this attribute set do not participate in composition
144 /* This is currently disabled on X11 as it does not seem to improve
145 * performance, but causes the video widget to be transparent... */
147 stable->setAttribute( Qt::WA_PaintOnScreen, true );
150 innerLayout->addWidget( stable );
152 layout->addWidget( reparentable );
155 /* HACK: Only one X11 client can subscribe to mouse button press events.
156 * VLC currently handles those in the video display.
157 * Force Qt4 to unsubscribe from mouse press and release events. */
158 Display *dpy = QX11Info::display();
159 Window w = stable->winId();
160 XWindowAttributes attr;
162 XGetWindowAttributes( dpy, w, &attr );
163 attr.your_event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
164 XSelectInput( dpy, w, attr.your_event_mask );
168 msg_Dbg( p_intf, "embedded video ready (handle %p)",
169 (void *)stable->winId() );
171 return stable->winId();
174 /* Set the Widget to the correct Size */
175 /* Function has to be called by the parent
176 Parent has to care about resizing itself */
177 void VideoWidget::SetSizing( unsigned int w, unsigned int h )
179 if (reparentable->windowState() & Qt::WindowFullScreen )
181 if( !isVisible() ) show();
183 emit sizeChanged( w, h );
184 /* Work-around a bug?misconception? that would happen when vout core resize
185 twice to the same size and would make the vout not centered.
186 This cause a small flicker.
189 if( size().width() == w && size().height() == h )
194 void VideoWidget::SetFullScreen( bool b_fs, bool b_ontop )
196 const Qt::WindowStates curstate = reparentable->windowState();
197 Qt::WindowStates newstate = curstate;
198 Qt::WindowFlags newflags = reparentable->windowFlags();
203 newstate |= Qt::WindowFullScreen;
205 newflags |= Qt::WindowStaysOnTopHint;
209 newstate &= ~Qt::WindowFullScreen;
210 newflags &= ~Qt::WindowStaysOnTopHint;
212 if( newstate == curstate )
213 return; /* no changes needed */
216 { /* Go full-screen */
217 int numscreen = var_InheritInteger( p_intf, "qt-fullscreen-screennumber" );
218 /* if user hasn't defined screennumber, or screennumber that is bigger
219 * than current number of screens, take screennumber where current interface
222 if( numscreen == -1 || numscreen > QApplication::desktop()->numScreens() )
223 numscreen = QApplication::desktop()->screenNumber( p_intf->p_sys->p_mi );
225 QRect screenres = QApplication::desktop()->screenGeometry( numscreen );
227 /* To be sure window is on proper-screen in xinerama */
228 if( !screenres.contains( reparentable->pos() ) )
230 msg_Dbg( p_intf, "Moving video to correct screen");
231 reparentable->move( QPoint( screenres.x(), screenres.y() ) );
233 reparentable->setParent( NULL, newflags );
234 reparentable->setWindowState( newstate );
236 /* FIXME: inherit from the vout window, not the interface */
237 char *title = var_InheritString( p_intf, "video-title" );
238 reparentable->setWindowTitle( qfu(title ? title : _("Video")) );
241 reparentable->show();
242 reparentable->activateWindow();
243 reparentable->raise();
247 reparentable->setWindowFlags( newflags );
248 reparentable->setWindowState( newstate );
249 layout->addWidget( reparentable );
254 void VideoWidget::release( void )
256 msg_Dbg( p_intf, "Video is not needed anymore" );
257 //layout->removeWidget( reparentable );
259 reparentable->deleteLater();
266 bool VideoWidget::eventFilter(QObject *obj, QEvent *event)
268 if( obj == reparentable )
270 if (event->type() == QEvent::Close)
275 else if( event->type() == QEvent::KeyPress )
277 emit keyPressed( static_cast<QKeyEvent *>(event) );
280 else if( event->type() == QEvent::Wheel )
282 int i_vlckey = qtWheelEventToVLCKey( static_cast<QWheelEvent *>(event) );
283 var_SetInteger( p_intf->p_libvlc, "key-pressed", i_vlckey );
290 /**********************************************************************
291 * Background Widget. Show a simple image background. Currently,
292 * it's album art if present or cone.
293 **********************************************************************/
295 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
296 :QWidget( NULL ), p_intf( _p_i ), b_expandPixmap( false )
298 /* A dark background */
299 setAutoFillBackground( true );
300 QPalette plt = palette();
301 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
302 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
305 /* Init the cone art */
308 CONNECT( THEMIM->getIM(), artChanged( QString ),
309 this, updateArt( const QString& ) );
312 void BackgroundWidget::updateArt( const QString& url )
314 if ( !url.isEmpty() )
320 if( QDate::currentDate().dayOfYear() >= 354 )
321 pixmapUrl = QString( ":/logo/vlc128-christmas.png" );
323 pixmapUrl = QString( ":/logo/vlc128.png" );
328 void BackgroundWidget::paintEvent( QPaintEvent *e )
330 int i_maxwidth, i_maxheight;
331 QPixmap pixmap = QPixmap( pixmapUrl );
332 QPainter painter(this);
336 i_maxwidth = std::min( maximumWidth(), width() ) - MARGIN * 2;
337 i_maxheight = std::min( maximumHeight(), height() ) - MARGIN * 2;
339 if ( height() > MARGIN * 2 )
341 /* Scale down the pixmap if the widget is too small */
342 if( pixmap.width() > i_maxwidth || pixmap.height() > i_maxheight )
344 pixmap = pixmap.scaled( i_maxwidth, i_maxheight,
345 Qt::KeepAspectRatio, Qt::SmoothTransformation );
348 if ( b_expandPixmap &&
349 pixmap.width() < width() && pixmap.height() < height() )
351 /* Scale up the pixmap to fill widget's size */
352 f_alpha = ( (float) pixmap.height() / (float) height() );
353 pixmap = pixmap.scaled(
354 width() - MARGIN * 2,
355 height() - MARGIN * 2,
357 ( f_alpha < .2 )? /* Don't waste cpu when not visible */
358 Qt::SmoothTransformation:
359 Qt::FastTransformation
361 /* Non agressive alpha compositing when sizing up */
362 pMask = QBitmap( pixmap.width(), pixmap.height() );
363 pMask.fill( QColor::fromRgbF( 1.0, 1.0, 1.0, f_alpha ) );
364 pixmap.setMask( pMask );
368 MARGIN + ( i_maxwidth - pixmap.width() ) /2,
369 MARGIN + ( i_maxheight - pixmap.height() ) /2,
372 QWidget::paintEvent( e );
375 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
377 QVLCMenu::PopupMenu( p_intf, true );
382 #include <QPushButton>
383 #include <QHBoxLayout>
385 /**********************************************************************
386 * Visualization selector panel
387 **********************************************************************/
388 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
389 QFrame( NULL ), p_intf( _p_i )
391 QHBoxLayout *layout = new QHBoxLayout( this );
392 layout->setMargin( 0 );
393 QPushButton *prevButton = new QPushButton( "Prev" );
394 QPushButton *nextButton = new QPushButton( "Next" );
395 layout->addWidget( prevButton );
396 layout->addWidget( nextButton );
398 layout->addStretch( 10 );
399 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
401 current = new QLabel( qtr( "None" ) );
402 layout->addWidget( current );
404 BUTTONACT( prevButton, prev() );
405 BUTTONACT( nextButton, next() );
408 setMaximumHeight( 35 );
411 VisualSelector::~VisualSelector()
414 void VisualSelector::prev()
416 char *psz_new = aout_VisualPrev( p_intf );
419 current->setText( qfu( psz_new ) );
424 void VisualSelector::next()
426 char *psz_new = aout_VisualNext( p_intf );
429 current->setText( qfu( psz_new ) );
435 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, QWidget *parent )
436 : QLabel( parent ), p_intf( _p_intf )
438 tooltipStringPattern = qtr( "Current playback speed: %1\nClick to adjust" );
440 /* Create the Speed Control Widget */
441 speedControl = new SpeedControlWidget( p_intf, this );
442 speedControlMenu = new QMenu( this );
444 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
445 widgetAction->setDefaultWidget( speedControl );
446 speedControlMenu->addAction( widgetAction );
448 /* Change the SpeedRate in the Status Bar */
449 CONNECT( THEMIM->getIM(), rateChanged( float ), this, setRate( float ) );
451 DCONNECT( THEMIM, inputChanged( input_thread_t * ),
452 speedControl, activateOnState() );
453 setRate( var_InheritFloat( p_intf, "rate" ) );
456 SpeedLabel::~SpeedLabel()
459 delete speedControlMenu;
462 /****************************************************************************
463 * Small right-click menu for rate control
464 ****************************************************************************/
466 void SpeedLabel::showSpeedMenu( QPoint pos )
468 speedControlMenu->exec( QCursor::pos() - pos
469 + QPoint( 0, height() ) );
472 void SpeedLabel::setRate( float rate )
475 str.setNum( rate, 'f', 2 );
478 setToolTip( tooltipStringPattern.arg( str ) );
479 speedControl->updateControls( rate );
482 /**********************************************************************
483 * Speed control widget
484 **********************************************************************/
485 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
486 : QFrame( _parent ), p_intf( _p_i )
488 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
489 sizePolicy.setHorizontalStretch( 0 );
490 sizePolicy.setVerticalStretch( 0 );
492 speedSlider = new QSlider( this );
493 speedSlider->setSizePolicy( sizePolicy );
494 speedSlider->setMaximumSize( QSize( 80, 200 ) );
495 speedSlider->setOrientation( Qt::Vertical );
496 speedSlider->setTickPosition( QSlider::TicksRight );
498 speedSlider->setRange( -34, 34 );
499 speedSlider->setSingleStep( 1 );
500 speedSlider->setPageStep( 1 );
501 speedSlider->setTickInterval( 17 );
503 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
505 QToolButton *normalSpeedButton = new QToolButton( this );
506 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
507 normalSpeedButton->setAutoRaise( true );
508 normalSpeedButton->setText( "1x" );
509 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
511 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
513 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
514 speedControlLayout->setContentsMargins( 4, 4, 4, 4 );
515 speedControlLayout->setSpacing( 4 );
516 speedControlLayout->addWidget( speedSlider );
517 speedControlLayout->addWidget( normalSpeedButton );
524 void SpeedControlWidget::activateOnState()
526 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
529 void SpeedControlWidget::updateControls( float rate )
531 if( speedSlider->isSliderDown() )
533 //We don't want to change anything if the user is using the slider
537 double value = 17 * log( rate ) / log( 2 );
538 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
540 if( sliderValue < speedSlider->minimum() )
542 sliderValue = speedSlider->minimum();
544 else if( sliderValue > speedSlider->maximum() )
546 sliderValue = speedSlider->maximum();
548 lastValue = sliderValue;
550 speedSlider->setValue( sliderValue );
553 void SpeedControlWidget::updateRate( int sliderValue )
555 if( sliderValue == lastValue )
558 double speed = pow( 2, (double)sliderValue / 17 );
559 int rate = INPUT_RATE_DEFAULT / speed;
561 THEMIM->getIM()->setRate(rate);
564 void SpeedControlWidget::resetRate()
566 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
569 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
570 : QLabel( parent ), p_intf( _p_i )
572 setContextMenuPolicy( Qt::ActionsContextMenu );
573 CONNECT( this, updateRequested(), this, askForUpdate() );
575 setMinimumHeight( 128 );
576 setMinimumWidth( 128 );
577 setMaximumHeight( 128 );
578 setMaximumWidth( 128 );
579 setScaledContents( false );
580 setAlignment( Qt::AlignCenter );
582 QList< QAction* > artActions = actions();
583 QAction *action = new QAction( qtr( "Download cover art" ), this );
584 CONNECT( action, triggered(), this, askForUpdate() );
590 CoverArtLabel::~CoverArtLabel()
592 QList< QAction* > artActions = actions();
593 foreach( QAction *act, artActions )
597 void CoverArtLabel::showArtUpdate( const QString& url )
600 if( !url.isEmpty() && pix.load( url ) )
602 pix = pix.scaled( maximumWidth(), maximumHeight(),
603 Qt::KeepAspectRatioByExpanding,
604 Qt::SmoothTransformation );
608 pix = QPixmap( ":/noart.png" );
613 void CoverArtLabel::askForUpdate()
615 THEMIM->getIM()->requestArtUpdate();
618 TimeLabel::TimeLabel( intf_thread_t *_p_intf )
619 : QLabel(), p_intf( _p_intf ), bufTimer( new QTimer(this) ),
620 buffering( false ), showBuffering(false), bufVal( -1 )
622 b_remainingTime = false;
623 setText( " --:--/--:-- " );
624 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
625 setToolTip( QString( "- " )
626 + qtr( "Click to toggle between elapsed and remaining time" )
628 + qtr( "Double click to jump to a chosen time position" ) );
629 bufTimer->setSingleShot( true );
631 CONNECT( THEMIM->getIM(), positionUpdated( float, int64_t, int ),
632 this, setDisplayPosition( float, int64_t, int ) );
633 CONNECT( THEMIM->getIM(), cachingChanged( float ),
634 this, updateBuffering( float ) );
635 CONNECT( bufTimer, timeout(), this, updateBuffering() );
638 void TimeLabel::setDisplayPosition( float pos, int64_t t, int length )
640 showBuffering = false;
645 setText( " --:--/--:-- " );
649 int time = t / 1000000;
651 secstotimestr( psz_length, length );
652 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
655 QString timestr = QString( " %1%2/%3 " )
656 .arg( QString( (b_remainingTime && length) ? "-" : "" ) )
657 .arg( QString( psz_time ) )
658 .arg( QString( ( !length && time ) ? "--:--" : psz_length ) );
662 cachedLength = length;
665 void TimeLabel::setDisplayPosition( float pos )
667 if( pos == -1.f || cachedLength == 0 )
669 setText( " --:--/--:-- " );
673 int time = pos * cachedLength;
674 secstotimestr( psz_time,
675 ( b_remainingTime && cachedLength ?
676 cachedLength - time : time ) );
677 QString timestr = QString( " %1%2/%3 " )
678 .arg( QString( (b_remainingTime && cachedLength) ? "-" : "" ) )
679 .arg( QString( psz_time ) )
680 .arg( QString( ( !cachedLength && time ) ? "--:--" : psz_length ) );
686 void TimeLabel::toggleTimeDisplay()
688 b_remainingTime = !b_remainingTime;
692 void TimeLabel::updateBuffering( float _buffered )
695 if( !buffering || bufVal == 0 )
697 showBuffering = false;
699 bufTimer->start(200);
701 else if( bufVal == 1 )
703 showBuffering = buffering = false;
709 void TimeLabel::updateBuffering()
711 showBuffering = true;
715 void TimeLabel::paintEvent( QPaintEvent* event )
720 r.setLeft( r.width() * bufVal );
723 p.fillRect( r, palette().color( QPalette::Highlight ) );
725 QLabel::paintEvent( event );