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 );
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 )
160 emit sizeChanged( w, h );
161 /* Work-around a bug?misconception? that would happen when vout core resize
162 twice to the same size and would make the vout not centered.
163 This cause a small flicker.
166 if( (unsigned)size().width() == w && (unsigned)size().height() == h )
171 void VideoWidget::release( void )
173 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 ), b_withart( true )
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() >= QT_XMAS_JOKE_DAY && var_InheritBool( p_intf, "qt-icon-change" ) )
216 pixmapUrl = QString( ":/logo/vlc128-xmas.png" );
218 pixmapUrl = QString( ":/logo/vlc128.png" );
223 void BackgroundWidget::paintEvent( QPaintEvent *e )
227 /* we just want background autofill */
228 QWidget::paintEvent( e );
232 int i_maxwidth, i_maxheight;
233 QPixmap pixmap = QPixmap( pixmapUrl );
234 QPainter painter(this);
238 i_maxwidth = std::min( maximumWidth(), width() ) - MARGIN * 2;
239 i_maxheight = std::min( maximumHeight(), height() ) - MARGIN * 2;
241 if ( height() > MARGIN * 2 )
243 /* Scale down the pixmap if the widget is too small */
244 if( pixmap.width() > i_maxwidth || pixmap.height() > i_maxheight )
246 pixmap = pixmap.scaled( i_maxwidth, i_maxheight,
247 Qt::KeepAspectRatio, Qt::SmoothTransformation );
250 if ( b_expandPixmap &&
251 pixmap.width() < width() && pixmap.height() < height() )
253 /* Scale up the pixmap to fill widget's size */
254 f_alpha = ( (float) pixmap.height() / (float) height() );
255 pixmap = pixmap.scaled(
256 width() - MARGIN * 2,
257 height() - MARGIN * 2,
259 ( f_alpha < .2 )? /* Don't waste cpu when not visible */
260 Qt::SmoothTransformation:
261 Qt::FastTransformation
263 /* Non agressive alpha compositing when sizing up */
264 pMask = QBitmap( pixmap.width(), pixmap.height() );
265 pMask.fill( QColor::fromRgbF( 1.0, 1.0, 1.0, f_alpha ) );
266 pixmap.setMask( pMask );
270 MARGIN + ( i_maxwidth - pixmap.width() ) /2,
271 MARGIN + ( i_maxheight - pixmap.height() ) /2,
274 QWidget::paintEvent( e );
277 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
279 QVLCMenu::PopupMenu( p_intf, true );
284 #include <QPushButton>
285 #include <QHBoxLayout>
287 /**********************************************************************
288 * Visualization selector panel
289 **********************************************************************/
290 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
291 QFrame( NULL ), p_intf( _p_i )
293 QHBoxLayout *layout = new QHBoxLayout( this );
294 layout->setMargin( 0 );
295 QPushButton *prevButton = new QPushButton( "Prev" );
296 QPushButton *nextButton = new QPushButton( "Next" );
297 layout->addWidget( prevButton );
298 layout->addWidget( nextButton );
300 layout->addStretch( 10 );
301 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
303 current = new QLabel( qtr( "None" ) );
304 layout->addWidget( current );
306 BUTTONACT( prevButton, prev() );
307 BUTTONACT( nextButton, next() );
310 setMaximumHeight( 35 );
313 VisualSelector::~VisualSelector()
316 void VisualSelector::prev()
318 char *psz_new = aout_VisualPrev( p_intf );
321 current->setText( qfu( psz_new ) );
326 void VisualSelector::next()
328 char *psz_new = aout_VisualNext( p_intf );
331 current->setText( qfu( psz_new ) );
337 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, QWidget *parent )
338 : QLabel( parent ), p_intf( _p_intf )
340 tooltipStringPattern = qtr( "Current playback speed: %1\nClick to adjust" );
342 /* Create the Speed Control Widget */
343 speedControl = new SpeedControlWidget( p_intf, this );
344 speedControlMenu = new QMenu( this );
346 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
347 widgetAction->setDefaultWidget( speedControl );
348 speedControlMenu->addAction( widgetAction );
350 /* Change the SpeedRate in the Status Bar */
351 CONNECT( THEMIM->getIM(), rateChanged( float ), this, setRate( float ) );
353 DCONNECT( THEMIM, inputChanged( input_thread_t * ),
354 speedControl, activateOnState() );
355 setRate( var_InheritFloat( p_intf, "rate" ) );
358 SpeedLabel::~SpeedLabel()
361 delete speedControlMenu;
364 /****************************************************************************
365 * Small right-click menu for rate control
366 ****************************************************************************/
368 void SpeedLabel::showSpeedMenu( QPoint pos )
370 speedControlMenu->exec( QCursor::pos() - pos
371 + QPoint( 0, height() ) );
374 void SpeedLabel::setRate( float rate )
377 str.setNum( rate, 'f', 2 );
380 setToolTip( tooltipStringPattern.arg( str ) );
381 speedControl->updateControls( rate );
384 /**********************************************************************
385 * Speed control widget
386 **********************************************************************/
387 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
388 : QFrame( _parent ), p_intf( _p_i )
390 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
391 sizePolicy.setHorizontalStretch( 0 );
392 sizePolicy.setVerticalStretch( 0 );
394 speedSlider = new QSlider( this );
395 speedSlider->setSizePolicy( sizePolicy );
396 speedSlider->setMaximumSize( QSize( 80, 200 ) );
397 speedSlider->setOrientation( Qt::Vertical );
398 speedSlider->setTickPosition( QSlider::TicksRight );
400 speedSlider->setRange( -34, 34 );
401 speedSlider->setSingleStep( 1 );
402 speedSlider->setPageStep( 1 );
403 speedSlider->setTickInterval( 17 );
405 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
407 QToolButton *normalSpeedButton = new QToolButton( this );
408 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
409 normalSpeedButton->setAutoRaise( true );
410 normalSpeedButton->setText( "1x" );
411 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
413 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
415 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
416 speedControlLayout->setContentsMargins( 4, 4, 4, 4 );
417 speedControlLayout->setSpacing( 4 );
418 speedControlLayout->addWidget( speedSlider );
419 speedControlLayout->addWidget( normalSpeedButton );
426 void SpeedControlWidget::activateOnState()
428 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
431 void SpeedControlWidget::updateControls( float rate )
433 if( speedSlider->isSliderDown() )
435 //We don't want to change anything if the user is using the slider
439 double value = 17 * log( rate ) / log( 2. );
440 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
442 if( sliderValue < speedSlider->minimum() )
444 sliderValue = speedSlider->minimum();
446 else if( sliderValue > speedSlider->maximum() )
448 sliderValue = speedSlider->maximum();
450 lastValue = sliderValue;
452 speedSlider->setValue( sliderValue );
455 void SpeedControlWidget::updateRate( int sliderValue )
457 if( sliderValue == lastValue )
460 double speed = pow( 2, (double)sliderValue / 17 );
461 int rate = INPUT_RATE_DEFAULT / speed;
463 THEMIM->getIM()->setRate(rate);
466 void SpeedControlWidget::resetRate()
468 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
471 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
472 : QLabel( parent ), p_intf( _p_i )
474 setContextMenuPolicy( Qt::ActionsContextMenu );
475 CONNECT( this, updateRequested(), this, askForUpdate() );
477 setMinimumHeight( 128 );
478 setMinimumWidth( 128 );
479 setMaximumHeight( 128 );
480 setMaximumWidth( 128 );
481 setScaledContents( false );
482 setAlignment( Qt::AlignCenter );
484 QList< QAction* > artActions = actions();
485 QAction *action = new QAction( qtr( "Download cover art" ), this );
486 CONNECT( action, triggered(), this, askForUpdate() );
492 CoverArtLabel::~CoverArtLabel()
494 QList< QAction* > artActions = actions();
495 foreach( QAction *act, artActions )
499 void CoverArtLabel::showArtUpdate( const QString& url )
502 if( !url.isEmpty() && pix.load( url ) )
504 pix = pix.scaled( maximumWidth(), maximumHeight(),
505 Qt::KeepAspectRatioByExpanding,
506 Qt::SmoothTransformation );
510 pix = QPixmap( ":/noart.png" );
515 void CoverArtLabel::askForUpdate()
517 THEMIM->getIM()->requestArtUpdate();
520 TimeLabel::TimeLabel( intf_thread_t *_p_intf )
521 : QLabel(), p_intf( _p_intf ), bufTimer( new QTimer(this) ),
522 buffering( false ), showBuffering(false), bufVal( -1 )
524 b_remainingTime = false;
525 setText( " --:--/--:-- " );
526 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
527 setToolTip( QString( "- " )
528 + qtr( "Click to toggle between elapsed and remaining time" )
530 + qtr( "Double click to jump to a chosen time position" ) );
531 bufTimer->setSingleShot( true );
533 CONNECT( THEMIM->getIM(), positionUpdated( float, int64_t, int ),
534 this, setDisplayPosition( float, int64_t, int ) );
535 CONNECT( THEMIM->getIM(), cachingChanged( float ),
536 this, updateBuffering( float ) );
537 CONNECT( bufTimer, timeout(), this, updateBuffering() );
540 void TimeLabel::setDisplayPosition( float pos, int64_t t, int length )
542 showBuffering = false;
547 setText( " --:--/--:-- " );
551 int time = t / 1000000;
553 secstotimestr( psz_length, length );
554 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
557 QString timestr = QString( " %1%2/%3 " )
558 .arg( QString( (b_remainingTime && length) ? "-" : "" ) )
559 .arg( QString( psz_time ) )
560 .arg( QString( ( !length && time ) ? "--:--" : psz_length ) );
564 cachedLength = length;
567 void TimeLabel::setDisplayPosition( float pos )
569 if( pos == -1.f || cachedLength == 0 )
571 setText( " --:--/--:-- " );
575 int time = pos * cachedLength;
576 secstotimestr( psz_time,
577 ( b_remainingTime && cachedLength ?
578 cachedLength - time : time ) );
579 QString timestr = QString( " %1%2/%3 " )
580 .arg( QString( (b_remainingTime && cachedLength) ? "-" : "" ) )
581 .arg( QString( psz_time ) )
582 .arg( QString( ( !cachedLength && time ) ? "--:--" : psz_length ) );
588 void TimeLabel::toggleTimeDisplay()
590 b_remainingTime = !b_remainingTime;
594 void TimeLabel::updateBuffering( float _buffered )
597 if( !buffering || bufVal == 0 )
599 showBuffering = false;
601 bufTimer->start(200);
603 else if( bufVal == 1 )
605 showBuffering = buffering = false;
611 void TimeLabel::updateBuffering()
613 showBuffering = true;
617 void TimeLabel::paintEvent( QPaintEvent* event )
622 r.setLeft( r.width() * bufVal );
625 p.fillRect( r, palette().color( QPalette::Highlight ) );
627 QLabel::paintEvent( event );