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 stable->setAttribute( Qt::WA_PaintOnScreen, true );
146 innerLayout->addWidget( stable );
148 layout->addWidget( reparentable );
151 /* HACK: Only one X11 client can subscribe to mouse button press events.
152 * VLC currently handles those in the video display.
153 * Force Qt4 to unsubscribe from mouse press and release events. */
154 Display *dpy = QX11Info::display();
155 Window w = stable->winId();
156 XWindowAttributes attr;
158 XGetWindowAttributes( dpy, w, &attr );
159 attr.your_event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
160 XSelectInput( dpy, w, attr.your_event_mask );
164 msg_Dbg( p_intf, "embedded video ready (handle %p)",
165 (void *)stable->winId() );
167 return stable->winId();
170 /* Set the Widget to the correct Size */
171 /* Function has to be called by the parent
172 Parent has to care about resizing itself */
173 void VideoWidget::SetSizing( unsigned int w, unsigned int h )
175 if (reparentable->windowState() & Qt::WindowFullScreen )
177 if( !isVisible() ) show();
179 emit sizeChanged( w, h );
183 void VideoWidget::SetFullScreen( bool b_fs )
185 const Qt::WindowStates curstate = reparentable->windowState();
186 Qt::WindowStates newstate = curstate;
187 Qt::WindowFlags newflags = reparentable->windowFlags();
192 newstate |= Qt::WindowFullScreen;
193 newflags |= Qt::WindowStaysOnTopHint;
197 newstate &= ~Qt::WindowFullScreen;
198 newflags &= ~Qt::WindowStaysOnTopHint;
200 if( newstate == curstate )
201 return; /* no changes needed */
204 { /* Go full-screen */
205 int numscreen = var_InheritInteger( p_intf, "qt-fullscreen-screennumber" );
206 /* if user hasn't defined screennumber, or screennumber that is bigger
207 * than current number of screens, take screennumber where current interface
210 if( numscreen == -1 || numscreen > QApplication::desktop()->numScreens() )
211 numscreen = QApplication::desktop()->screenNumber( p_intf->p_sys->p_mi );
213 QRect screenres = QApplication::desktop()->screenGeometry( numscreen );
215 /* To be sure window is on proper-screen in xinerama */
216 if( !screenres.contains( reparentable->pos() ) )
218 msg_Dbg( p_intf, "Moving video to correct screen");
219 reparentable->move( QPoint( screenres.x(), screenres.y() ) );
221 reparentable->setParent( NULL, newflags );
222 reparentable->setWindowState( newstate );
223 reparentable->show();
227 reparentable->setWindowFlags( newflags );
228 reparentable->setWindowState( newstate );
229 layout->addWidget( reparentable );
234 void VideoWidget::release( void )
236 msg_Dbg( p_intf, "Video is not needed anymore" );
237 //layout->removeWidget( reparentable );
239 reparentable->deleteLater();
246 bool VideoWidget::eventFilter(QObject *obj, QEvent *event)
248 if( obj == reparentable )
250 if (event->type() == QEvent::Close)
255 else if( event->type() == QEvent::KeyPress )
257 emit keyPressed( static_cast<QKeyEvent *>(event) );
264 /**********************************************************************
265 * Background Widget. Show a simple image background. Currently,
266 * it's album art if present or cone.
267 **********************************************************************/
269 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
270 :QWidget( NULL ), p_intf( _p_i ), b_expandPixmap( false )
272 /* A dark background */
273 setAutoFillBackground( true );
274 QPalette plt = palette();
275 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
276 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
279 /* Init the cone art */
282 CONNECT( THEMIM->getIM(), artChanged( QString ),
283 this, updateArt( const QString& ) );
286 void BackgroundWidget::updateArt( const QString& url )
288 if ( !url.isEmpty() )
294 if( QDate::currentDate().dayOfYear() >= 354 )
295 pixmapUrl = QString( ":/logo/vlc128-christmas.png" );
297 pixmapUrl = QString( ":/logo/vlc128.png" );
302 void BackgroundWidget::paintEvent( QPaintEvent *e )
304 int i_maxwidth, i_maxheight;
305 QPixmap pixmap = QPixmap( pixmapUrl );
306 QPainter painter(this);
310 i_maxwidth = std::min( maximumWidth(), width() ) - MARGIN * 2;
311 i_maxheight = std::min( maximumHeight(), height() ) - MARGIN * 2;
313 if ( height() > MARGIN * 2 )
315 /* Scale down the pixmap if the widget is too small */
316 if( pixmap.width() > i_maxwidth || pixmap.height() > i_maxheight )
318 pixmap = pixmap.scaled( i_maxwidth, i_maxheight,
319 Qt::KeepAspectRatio, Qt::SmoothTransformation );
322 if ( b_expandPixmap &&
323 pixmap.width() < width() && pixmap.height() < height() )
325 /* Scale up the pixmap to fill widget's size */
326 f_alpha = ( (float) pixmap.height() / (float) height() );
327 pixmap = pixmap.scaled(
328 width() - MARGIN * 2,
329 height() - MARGIN * 2,
331 ( f_alpha < .2 )? /* Don't waste cpu when not visible */
332 Qt::SmoothTransformation:
333 Qt::FastTransformation
335 /* Non agressive alpha compositing when sizing up */
336 pMask = QBitmap( pixmap.width(), pixmap.height() );
337 pMask.fill( QColor::fromRgbF( 1.0, 1.0, 1.0, f_alpha ) );
338 pixmap.setMask( pMask );
342 MARGIN + ( i_maxwidth - pixmap.width() ) /2,
343 MARGIN + ( i_maxheight - pixmap.height() ) /2,
346 QWidget::paintEvent( e );
349 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
351 QVLCMenu::PopupMenu( p_intf, true );
356 #include <QPushButton>
357 #include <QHBoxLayout>
359 /**********************************************************************
360 * Visualization selector panel
361 **********************************************************************/
362 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
363 QFrame( NULL ), p_intf( _p_i )
365 QHBoxLayout *layout = new QHBoxLayout( this );
366 layout->setMargin( 0 );
367 QPushButton *prevButton = new QPushButton( "Prev" );
368 QPushButton *nextButton = new QPushButton( "Next" );
369 layout->addWidget( prevButton );
370 layout->addWidget( nextButton );
372 layout->addStretch( 10 );
373 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
375 current = new QLabel( qtr( "None" ) );
376 layout->addWidget( current );
378 BUTTONACT( prevButton, prev() );
379 BUTTONACT( nextButton, next() );
382 setMaximumHeight( 35 );
385 VisualSelector::~VisualSelector()
388 void VisualSelector::prev()
390 char *psz_new = aout_VisualPrev( p_intf );
393 current->setText( qfu( psz_new ) );
398 void VisualSelector::next()
400 char *psz_new = aout_VisualNext( p_intf );
403 current->setText( qfu( psz_new ) );
409 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, QWidget *parent )
410 : QLabel( parent ), p_intf( _p_intf )
412 tooltipStringPattern = qtr( "Current playback speed: %1\nClick to adjust" );
414 /* Create the Speed Control Widget */
415 speedControl = new SpeedControlWidget( p_intf, this );
416 speedControlMenu = new QMenu( this );
418 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
419 widgetAction->setDefaultWidget( speedControl );
420 speedControlMenu->addAction( widgetAction );
422 /* Change the SpeedRate in the Status Bar */
423 CONNECT( THEMIM->getIM(), rateChanged( float ), this, setRate( float ) );
425 DCONNECT( THEMIM, inputChanged( input_thread_t * ),
426 speedControl, activateOnState() );
427 setRate( var_InheritFloat( p_intf, "rate" ) );
430 SpeedLabel::~SpeedLabel()
433 delete speedControlMenu;
436 /****************************************************************************
437 * Small right-click menu for rate control
438 ****************************************************************************/
440 void SpeedLabel::showSpeedMenu( QPoint pos )
442 speedControlMenu->exec( QCursor::pos() - pos
443 + QPoint( 0, height() ) );
446 void SpeedLabel::setRate( float rate )
449 str.setNum( rate, 'f', 2 );
452 setToolTip( tooltipStringPattern.arg( str ) );
453 speedControl->updateControls( rate );
456 /**********************************************************************
457 * Speed control widget
458 **********************************************************************/
459 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
460 : QFrame( _parent ), p_intf( _p_i )
462 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
463 sizePolicy.setHorizontalStretch( 0 );
464 sizePolicy.setVerticalStretch( 0 );
466 speedSlider = new QSlider( this );
467 speedSlider->setSizePolicy( sizePolicy );
468 speedSlider->setMaximumSize( QSize( 80, 200 ) );
469 speedSlider->setOrientation( Qt::Vertical );
470 speedSlider->setTickPosition( QSlider::TicksRight );
472 speedSlider->setRange( -34, 34 );
473 speedSlider->setSingleStep( 1 );
474 speedSlider->setPageStep( 1 );
475 speedSlider->setTickInterval( 17 );
477 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
479 QToolButton *normalSpeedButton = new QToolButton( this );
480 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
481 normalSpeedButton->setAutoRaise( true );
482 normalSpeedButton->setText( "1x" );
483 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
485 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
487 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
488 speedControlLayout->setContentsMargins( 4, 4, 4, 4 );
489 speedControlLayout->setSpacing( 4 );
490 speedControlLayout->addWidget( speedSlider );
491 speedControlLayout->addWidget( normalSpeedButton );
498 void SpeedControlWidget::activateOnState()
500 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
503 void SpeedControlWidget::updateControls( float rate )
505 if( speedSlider->isSliderDown() )
507 //We don't want to change anything if the user is using the slider
511 double value = 17 * log( rate ) / log( 2 );
512 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
514 if( sliderValue < speedSlider->minimum() )
516 sliderValue = speedSlider->minimum();
518 else if( sliderValue > speedSlider->maximum() )
520 sliderValue = speedSlider->maximum();
522 lastValue = sliderValue;
524 speedSlider->setValue( sliderValue );
527 void SpeedControlWidget::updateRate( int sliderValue )
529 if( sliderValue == lastValue )
532 double speed = pow( 2, (double)sliderValue / 17 );
533 int rate = INPUT_RATE_DEFAULT / speed;
535 THEMIM->getIM()->setRate(rate);
538 void SpeedControlWidget::resetRate()
540 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
543 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
544 : QLabel( parent ), p_intf( _p_i )
546 setContextMenuPolicy( Qt::ActionsContextMenu );
547 CONNECT( this, updateRequested(), this, askForUpdate() );
549 setMinimumHeight( 128 );
550 setMinimumWidth( 128 );
551 setMaximumHeight( 128 );
552 setMaximumWidth( 128 );
553 setScaledContents( false );
554 setAlignment( Qt::AlignCenter );
556 QList< QAction* > artActions = actions();
557 QAction *action = new QAction( qtr( "Download cover art" ), this );
558 CONNECT( action, triggered(), this, askForUpdate() );
564 CoverArtLabel::~CoverArtLabel()
566 QList< QAction* > artActions = actions();
567 foreach( QAction *act, artActions )
571 void CoverArtLabel::showArtUpdate( const QString& url )
574 if( !url.isEmpty() && pix.load( url ) )
576 pix = pix.scaled( maximumWidth(), maximumHeight(),
577 Qt::KeepAspectRatioByExpanding );
581 pix = QPixmap( ":/noart.png" );
586 void CoverArtLabel::askForUpdate()
588 THEMIM->getIM()->requestArtUpdate();
591 TimeLabel::TimeLabel( intf_thread_t *_p_intf )
592 : QLabel(), p_intf( _p_intf ), bufTimer( new QTimer(this) ),
593 buffering( false ), showBuffering(false), bufVal( -1 )
595 b_remainingTime = false;
596 setText( " --:--/--:-- " );
597 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
598 setToolTip( QString( "- " )
599 + qtr( "Click to toggle between elapsed and remaining time" )
601 + qtr( "Double click to jump to a chosen time position" ) );
602 bufTimer->setSingleShot( true );
604 CONNECT( THEMIM->getIM(), positionUpdated( float, int64_t, int ),
605 this, setDisplayPosition( float, int64_t, int ) );
606 CONNECT( THEMIM->getIM(), cachingChanged( float ),
607 this, updateBuffering( float ) );
608 CONNECT( bufTimer, timeout(), this, updateBuffering() );
611 void TimeLabel::setDisplayPosition( float pos, int64_t t, int length )
613 showBuffering = false;
618 setText( " --:--/--:-- " );
622 int time = t / 1000000;
624 secstotimestr( psz_length, length );
625 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
628 QString timestr = QString( " %1%2/%3 " )
629 .arg( QString( (b_remainingTime && length) ? "-" : "" ) )
630 .arg( QString( psz_time ) )
631 .arg( QString( ( !length && time ) ? "--:--" : psz_length ) );
635 cachedLength = length;
638 void TimeLabel::setDisplayPosition( float pos )
640 if( pos == -1.f || cachedLength == 0 )
642 setText( " --:--/--:-- " );
646 int time = pos * cachedLength;
647 secstotimestr( psz_time,
648 ( b_remainingTime && cachedLength ?
649 cachedLength - time : time ) );
650 QString timestr = QString( " %1%2/%3 " )
651 .arg( QString( (b_remainingTime && cachedLength) ? "-" : "" ) )
652 .arg( QString( psz_time ) )
653 .arg( QString( ( !cachedLength && time ) ? "--:--" : psz_length ) );
659 void TimeLabel::toggleTimeDisplay()
661 b_remainingTime = !b_remainingTime;
665 void TimeLabel::updateBuffering( float _buffered )
668 if( !buffering || bufVal == 0 )
670 showBuffering = false;
672 bufTimer->start(200);
674 else if( bufVal == 1 )
676 showBuffering = buffering = false;
682 void TimeLabel::updateBuffering()
684 showBuffering = true;
688 void TimeLabel::paintEvent( QPaintEvent* event )
693 r.setLeft( r.width() * bufVal );
696 p.fillRect( r, palette().color( QPalette::Highlight ) );
698 QLabel::paintEvent( event );