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>
61 /**********************************************************************
62 * Video Widget. A simple frame on which video is drawn
63 * This class handles resize issues
64 **********************************************************************/
66 VideoWidget::VideoWidget( intf_thread_t *_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 );
148 msg_Dbg( p_intf, "embedded video ready (handle %p)",
149 (void *)stable->winId() );
151 return stable->winId();
154 /* Set the Widget to the correct Size */
155 /* Function has to be called by the parent
156 Parent has to care about resizing itself */
157 void VideoWidget::SetSizing( unsigned int w, unsigned int h )
159 if( !isVisible() ) show();
161 emit sizeChanged( w, h );
162 /* Work-around a bug?misconception? that would happen when vout core resize
163 twice to the same size and would make the vout not centered.
164 This cause a small flicker.
167 if( size().width() == w && size().height() == h )
172 void VideoWidget::release( void )
174 msg_Dbg( p_intf, "Video is not needed anymore" );
177 layout->removeWidget( stable );
178 stable->deleteLater();
185 /**********************************************************************
186 * Background Widget. Show a simple image background. Currently,
187 * it's album art if present or cone.
188 **********************************************************************/
190 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
191 :QWidget( NULL ), p_intf( _p_i ), b_expandPixmap( false )
193 /* A dark background */
194 setAutoFillBackground( true );
195 QPalette plt = palette();
196 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
197 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
200 /* Init the cone art */
203 CONNECT( THEMIM->getIM(), artChanged( QString ),
204 this, updateArt( const QString& ) );
207 void BackgroundWidget::updateArt( const QString& url )
209 if ( !url.isEmpty() )
215 if( QDate::currentDate().dayOfYear() >= 354 )
216 pixmapUrl = QString( ":/logo/vlc128-christmas.png" );
218 pixmapUrl = QString( ":/logo/vlc128.png" );
223 void BackgroundWidget::paintEvent( QPaintEvent *e )
225 int i_maxwidth, i_maxheight;
226 QPixmap pixmap = QPixmap( pixmapUrl );
227 QPainter painter(this);
231 i_maxwidth = std::min( maximumWidth(), width() ) - MARGIN * 2;
232 i_maxheight = std::min( maximumHeight(), height() ) - MARGIN * 2;
234 if ( height() > MARGIN * 2 )
236 /* Scale down the pixmap if the widget is too small */
237 if( pixmap.width() > i_maxwidth || pixmap.height() > i_maxheight )
239 pixmap = pixmap.scaled( i_maxwidth, i_maxheight,
240 Qt::KeepAspectRatio, Qt::SmoothTransformation );
243 if ( b_expandPixmap &&
244 pixmap.width() < width() && pixmap.height() < height() )
246 /* Scale up the pixmap to fill widget's size */
247 f_alpha = ( (float) pixmap.height() / (float) height() );
248 pixmap = pixmap.scaled(
249 width() - MARGIN * 2,
250 height() - MARGIN * 2,
252 ( f_alpha < .2 )? /* Don't waste cpu when not visible */
253 Qt::SmoothTransformation:
254 Qt::FastTransformation
256 /* Non agressive alpha compositing when sizing up */
257 pMask = QBitmap( pixmap.width(), pixmap.height() );
258 pMask.fill( QColor::fromRgbF( 1.0, 1.0, 1.0, f_alpha ) );
259 pixmap.setMask( pMask );
263 MARGIN + ( i_maxwidth - pixmap.width() ) /2,
264 MARGIN + ( i_maxheight - pixmap.height() ) /2,
267 QWidget::paintEvent( e );
270 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
272 QVLCMenu::PopupMenu( p_intf, true );
277 #include <QPushButton>
278 #include <QHBoxLayout>
280 /**********************************************************************
281 * Visualization selector panel
282 **********************************************************************/
283 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
284 QFrame( NULL ), p_intf( _p_i )
286 QHBoxLayout *layout = new QHBoxLayout( this );
287 layout->setMargin( 0 );
288 QPushButton *prevButton = new QPushButton( "Prev" );
289 QPushButton *nextButton = new QPushButton( "Next" );
290 layout->addWidget( prevButton );
291 layout->addWidget( nextButton );
293 layout->addStretch( 10 );
294 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
296 current = new QLabel( qtr( "None" ) );
297 layout->addWidget( current );
299 BUTTONACT( prevButton, prev() );
300 BUTTONACT( nextButton, next() );
303 setMaximumHeight( 35 );
306 VisualSelector::~VisualSelector()
309 void VisualSelector::prev()
311 char *psz_new = aout_VisualPrev( p_intf );
314 current->setText( qfu( psz_new ) );
319 void VisualSelector::next()
321 char *psz_new = aout_VisualNext( p_intf );
324 current->setText( qfu( psz_new ) );
330 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, QWidget *parent )
331 : QLabel( parent ), p_intf( _p_intf )
333 tooltipStringPattern = qtr( "Current playback speed: %1\nClick to adjust" );
335 /* Create the Speed Control Widget */
336 speedControl = new SpeedControlWidget( p_intf, this );
337 speedControlMenu = new QMenu( this );
339 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
340 widgetAction->setDefaultWidget( speedControl );
341 speedControlMenu->addAction( widgetAction );
343 /* Change the SpeedRate in the Status Bar */
344 CONNECT( THEMIM->getIM(), rateChanged( float ), this, setRate( float ) );
346 DCONNECT( THEMIM, inputChanged( input_thread_t * ),
347 speedControl, activateOnState() );
348 setRate( var_InheritFloat( p_intf, "rate" ) );
351 SpeedLabel::~SpeedLabel()
354 delete speedControlMenu;
357 /****************************************************************************
358 * Small right-click menu for rate control
359 ****************************************************************************/
361 void SpeedLabel::showSpeedMenu( QPoint pos )
363 speedControlMenu->exec( QCursor::pos() - pos
364 + QPoint( 0, height() ) );
367 void SpeedLabel::setRate( float rate )
370 str.setNum( rate, 'f', 2 );
373 setToolTip( tooltipStringPattern.arg( str ) );
374 speedControl->updateControls( rate );
377 /**********************************************************************
378 * Speed control widget
379 **********************************************************************/
380 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
381 : QFrame( _parent ), p_intf( _p_i )
383 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
384 sizePolicy.setHorizontalStretch( 0 );
385 sizePolicy.setVerticalStretch( 0 );
387 speedSlider = new QSlider( this );
388 speedSlider->setSizePolicy( sizePolicy );
389 speedSlider->setMaximumSize( QSize( 80, 200 ) );
390 speedSlider->setOrientation( Qt::Vertical );
391 speedSlider->setTickPosition( QSlider::TicksRight );
393 speedSlider->setRange( -34, 34 );
394 speedSlider->setSingleStep( 1 );
395 speedSlider->setPageStep( 1 );
396 speedSlider->setTickInterval( 17 );
398 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
400 QToolButton *normalSpeedButton = new QToolButton( this );
401 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
402 normalSpeedButton->setAutoRaise( true );
403 normalSpeedButton->setText( "1x" );
404 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
406 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
408 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
409 speedControlLayout->setContentsMargins( 4, 4, 4, 4 );
410 speedControlLayout->setSpacing( 4 );
411 speedControlLayout->addWidget( speedSlider );
412 speedControlLayout->addWidget( normalSpeedButton );
419 void SpeedControlWidget::activateOnState()
421 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
424 void SpeedControlWidget::updateControls( float rate )
426 if( speedSlider->isSliderDown() )
428 //We don't want to change anything if the user is using the slider
432 double value = 17 * log( rate ) / log( 2 );
433 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
435 if( sliderValue < speedSlider->minimum() )
437 sliderValue = speedSlider->minimum();
439 else if( sliderValue > speedSlider->maximum() )
441 sliderValue = speedSlider->maximum();
443 lastValue = sliderValue;
445 speedSlider->setValue( sliderValue );
448 void SpeedControlWidget::updateRate( int sliderValue )
450 if( sliderValue == lastValue )
453 double speed = pow( 2, (double)sliderValue / 17 );
454 int rate = INPUT_RATE_DEFAULT / speed;
456 THEMIM->getIM()->setRate(rate);
459 void SpeedControlWidget::resetRate()
461 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
464 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
465 : QLabel( parent ), p_intf( _p_i )
467 setContextMenuPolicy( Qt::ActionsContextMenu );
468 CONNECT( this, updateRequested(), this, askForUpdate() );
470 setMinimumHeight( 128 );
471 setMinimumWidth( 128 );
472 setMaximumHeight( 128 );
473 setMaximumWidth( 128 );
474 setScaledContents( false );
475 setAlignment( Qt::AlignCenter );
477 QList< QAction* > artActions = actions();
478 QAction *action = new QAction( qtr( "Download cover art" ), this );
479 CONNECT( action, triggered(), this, askForUpdate() );
485 CoverArtLabel::~CoverArtLabel()
487 QList< QAction* > artActions = actions();
488 foreach( QAction *act, artActions )
492 void CoverArtLabel::showArtUpdate( const QString& url )
495 if( !url.isEmpty() && pix.load( url ) )
497 pix = pix.scaled( maximumWidth(), maximumHeight(),
498 Qt::KeepAspectRatioByExpanding,
499 Qt::SmoothTransformation );
503 pix = QPixmap( ":/noart.png" );
508 void CoverArtLabel::askForUpdate()
510 THEMIM->getIM()->requestArtUpdate();
513 TimeLabel::TimeLabel( intf_thread_t *_p_intf )
514 : QLabel(), p_intf( _p_intf ), bufTimer( new QTimer(this) ),
515 buffering( false ), showBuffering(false), bufVal( -1 )
517 b_remainingTime = false;
518 setText( " --:--/--:-- " );
519 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
520 setToolTip( QString( "- " )
521 + qtr( "Click to toggle between elapsed and remaining time" )
523 + qtr( "Double click to jump to a chosen time position" ) );
524 bufTimer->setSingleShot( true );
526 CONNECT( THEMIM->getIM(), positionUpdated( float, int64_t, int ),
527 this, setDisplayPosition( float, int64_t, int ) );
528 CONNECT( THEMIM->getIM(), cachingChanged( float ),
529 this, updateBuffering( float ) );
530 CONNECT( bufTimer, timeout(), this, updateBuffering() );
533 void TimeLabel::setDisplayPosition( float pos, int64_t t, int length )
535 showBuffering = false;
540 setText( " --:--/--:-- " );
544 int time = t / 1000000;
546 secstotimestr( psz_length, length );
547 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
550 QString timestr = QString( " %1%2/%3 " )
551 .arg( QString( (b_remainingTime && length) ? "-" : "" ) )
552 .arg( QString( psz_time ) )
553 .arg( QString( ( !length && time ) ? "--:--" : psz_length ) );
557 cachedLength = length;
560 void TimeLabel::setDisplayPosition( float pos )
562 if( pos == -1.f || cachedLength == 0 )
564 setText( " --:--/--:-- " );
568 int time = pos * cachedLength;
569 secstotimestr( psz_time,
570 ( b_remainingTime && cachedLength ?
571 cachedLength - time : time ) );
572 QString timestr = QString( " %1%2/%3 " )
573 .arg( QString( (b_remainingTime && cachedLength) ? "-" : "" ) )
574 .arg( QString( psz_time ) )
575 .arg( QString( ( !cachedLength && time ) ? "--:--" : psz_length ) );
581 void TimeLabel::toggleTimeDisplay()
583 b_remainingTime = !b_remainingTime;
587 void TimeLabel::updateBuffering( float _buffered )
590 if( !buffering || bufVal == 0 )
592 showBuffering = false;
594 bufTimer->start(200);
596 else if( bufVal == 1 )
598 showBuffering = buffering = false;
604 void TimeLabel::updateBuffering()
606 showBuffering = true;
610 void TimeLabel::paintEvent( QPaintEvent* event )
615 r.setLeft( r.width() * bufVal );
618 p.fillRect( r, palette().color( QPalette::Highlight ) );
620 QLabel::paintEvent( event );