1 /*****************************************************************************
2 * interface_widgets.cpp : Custom widgets for the main interface
3 ****************************************************************************
4 * Copyright (C) 2006-2008 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"
33 #include "menus.hpp" /* Popup menu on bgWidget */
38 #include <QToolButton>
40 #include <QResizeEvent>
43 #include <QWidgetAction>
46 # include <X11/Xlib.h>
47 # include <qx11info_x11.h>
48 static void videoSync( void )
50 /* Make sure the X server has processed all requests.
51 * This protects other threads using distinct connections from getting
52 * the video widget window in an inconsistent states. */
53 XSync( QX11Info::display(), False );
56 # define videoSync() (void)0
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 ) : QFrame( NULL ), p_intf( _p_i )
70 videoSize.rwidth() = -1;
71 videoSize.rheight() = -1;
75 /* Set the policy to expand in both directions */
76 // setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
78 /* Indicates that the widget wants to draw directly onto the screen.
79 Widgets with this attribute set do not participate in composition
81 setAttribute( Qt::WA_PaintOnScreen, true );
83 layout = new QHBoxLayout( this );
84 layout->setContentsMargins( 0, 0, 0, 0 );
88 void VideoWidget::paintEvent(QPaintEvent *ev)
90 QFrame::paintEvent(ev);
92 XFlush( QX11Info::display() );
96 VideoWidget::~VideoWidget()
98 /* Ensure we are not leaking the video output. This would crash. */
99 assert( reparentable == NULL );
103 * Request the video to avoid the conflicts
105 WId VideoWidget::request( int *pi_x, int *pi_y,
106 unsigned int *pi_width, unsigned int *pi_height,
109 msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
111 if( reparentable != NULL )
113 msg_Dbg( p_intf, "embedded video already in use" );
118 *pi_width = size().width();
119 *pi_height = size().height();
122 /* The Qt4 UI needs a fixed a widget ("this"), so that the parent layout is
123 * not messed up when we the video is reparented. Hence, we create an extra
124 * reparentable widget, that will be within the VideoWidget in windowed
125 * mode, and within the root window (NULL parent) in full-screen mode.
127 reparentable = new QWidget();
128 QLayout *innerLayout = new QHBoxLayout( reparentable );
129 innerLayout->setContentsMargins( 0, 0, 0, 0 );
131 /* The owner of the video window needs a stable handle (WinId). Reparenting
132 * in Qt4-X11 changes the WinId of the widget, so we need to create another
133 * dummy widget that stays within the reparentable widget. */
134 QWidget *stable = new QWidget();
135 QPalette plt = palette();
136 plt.setColor( QPalette::Window, Qt::black );
137 stable->setPalette( plt );
138 stable->setAutoFillBackground(true);
139 stable->setAttribute( Qt::WA_PaintOnScreen, true );
141 innerLayout->addWidget( stable );
143 reparentable->setLayout( innerLayout );
144 layout->addWidget( reparentable );
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 msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
160 videoSize.rwidth() = w;
161 videoSize.rheight() = h;
162 if( !isVisible() ) show();
163 updateGeometry(); // Needed for deinterlace
167 void VideoWidget::SetFullScreen( bool b_fs )
169 const Qt::WindowStates curstate = reparentable->windowState();
170 Qt::WindowStates newstate = curstate;
171 Qt::WindowFlags newflags = reparentable->windowFlags();
175 newstate |= Qt::WindowFullScreen;
176 newflags |= Qt::WindowStaysOnTopHint;
180 newstate &= ~Qt::WindowFullScreen;
181 newflags &= ~Qt::WindowStaysOnTopHint;
183 if( newstate == curstate )
184 return; /* no changes needed */
187 { /* Go full-screen */
188 reparentable->setWindowState( newstate );
189 reparentable->setParent( NULL );
190 reparentable->setWindowFlags( newflags );
191 reparentable->show();
195 reparentable->setWindowFlags( newflags );
196 layout->addWidget( reparentable );
197 reparentable->setWindowState( newstate );
202 void VideoWidget::release( void )
204 msg_Dbg( p_intf, "Video is not needed anymore" );
205 //layout->removeWidget( reparentable );
208 videoSize.rwidth() = 0;
209 videoSize.rheight() = 0;
214 QSize VideoWidget::sizeHint() const
219 /**********************************************************************
220 * Background Widget. Show a simple image background. Currently,
221 * it's album art if present or cone.
222 **********************************************************************/
223 #define ICON_SIZE 128
224 #define MAX_BG_SIZE 400
225 #define MIN_BG_SIZE 128
227 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
228 :QWidget( NULL ), p_intf( _p_i )
230 /* We should use that one to take the more size it can */
231 setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
233 /* A dark background */
234 setAutoFillBackground( true );
236 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
237 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
240 /* A cone in the middle */
242 label->setMargin( 5 );
243 label->setMaximumHeight( MAX_BG_SIZE );
244 label->setMaximumWidth( MAX_BG_SIZE );
245 label->setMinimumHeight( MIN_BG_SIZE );
246 label->setMinimumWidth( MIN_BG_SIZE );
247 if( QDate::currentDate().dayOfYear() >= 354 )
248 label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
250 label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
252 QGridLayout *backgroundLayout = new QGridLayout( this );
253 backgroundLayout->addWidget( label, 0, 1 );
254 backgroundLayout->setColumnStretch( 0, 1 );
255 backgroundLayout->setColumnStretch( 2, 1 );
257 CONNECT( THEMIM->getIM(), artChanged( QString ),
258 this, updateArt( const QString& ) );
261 BackgroundWidget::~BackgroundWidget()
264 void BackgroundWidget::resizeEvent( QResizeEvent * event )
266 if( event->size().height() <= MIN_BG_SIZE )
272 void BackgroundWidget::updateArt( const QString& url )
276 if( QDate::currentDate().dayOfYear() >= 354 )
277 label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
279 label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
283 label->setPixmap( QPixmap( url ) );
287 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
289 QVLCMenu::PopupMenu( p_intf, true );
294 #include <QPushButton>
295 #include <QHBoxLayout>
297 /**********************************************************************
298 * Visualization selector panel
299 **********************************************************************/
300 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
301 QFrame( NULL ), p_intf( _p_i )
303 QHBoxLayout *layout = new QHBoxLayout( this );
304 layout->setMargin( 0 );
305 QPushButton *prevButton = new QPushButton( "Prev" );
306 QPushButton *nextButton = new QPushButton( "Next" );
307 layout->addWidget( prevButton );
308 layout->addWidget( nextButton );
310 layout->addStretch( 10 );
311 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
313 current = new QLabel( qtr( "None" ) );
314 layout->addWidget( current );
316 BUTTONACT( prevButton, prev() );
317 BUTTONACT( nextButton, next() );
320 setMaximumHeight( 35 );
323 VisualSelector::~VisualSelector()
326 void VisualSelector::prev()
328 char *psz_new = aout_VisualPrev( p_intf );
331 current->setText( qfu( psz_new ) );
336 void VisualSelector::next()
338 char *psz_new = aout_VisualNext( p_intf );
341 current->setText( qfu( psz_new ) );
347 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString& text,
349 : QLabel( text, parent ), p_intf( _p_intf )
351 setToolTip( qtr( "Current playback speed.\nClick to adjust" ) );
353 /* Create the Speed Control Widget */
354 speedControl = new SpeedControlWidget( p_intf, this );
355 speedControlMenu = new QMenu( this );
357 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
358 widgetAction->setDefaultWidget( speedControl );
359 speedControlMenu->addAction( widgetAction );
361 /* Change the SpeedRate in the Status Bar */
362 CONNECT( THEMIM->getIM(), rateChanged( int ), this, setRate( int ) );
364 CONNECT( THEMIM, inputChanged( input_thread_t * ),
365 speedControl, activateOnState() );
368 SpeedLabel::~SpeedLabel()
371 delete speedControlMenu;
373 /****************************************************************************
374 * Small right-click menu for rate control
375 ****************************************************************************/
376 void SpeedLabel::showSpeedMenu( QPoint pos )
378 speedControlMenu->exec( QCursor::pos() - pos
379 + QPoint( 0, height() ) );
382 void SpeedLabel::setRate( int rate )
385 str.setNum( ( 1000 / (double)rate ), 'f', 2 );
389 speedControl->updateControls( rate );
392 /**********************************************************************
393 * Speed control widget
394 **********************************************************************/
395 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
396 : QFrame( _parent ), p_intf( _p_i )
398 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
399 sizePolicy.setHorizontalStretch( 0 );
400 sizePolicy.setVerticalStretch( 0 );
402 speedSlider = new QSlider( this );
403 speedSlider->setSizePolicy( sizePolicy );
404 speedSlider->setMaximumSize( QSize( 80, 200 ) );
405 speedSlider->setOrientation( Qt::Vertical );
406 speedSlider->setTickPosition( QSlider::TicksRight );
408 speedSlider->setRange( -34, 34 );
409 speedSlider->setSingleStep( 1 );
410 speedSlider->setPageStep( 1 );
411 speedSlider->setTickInterval( 17 );
413 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
415 QToolButton *normalSpeedButton = new QToolButton( this );
416 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
417 normalSpeedButton->setAutoRaise( true );
418 normalSpeedButton->setText( "1x" );
419 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
421 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
423 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
424 speedControlLayout->setLayoutMargins( 4, 4, 4, 4, 4 );
425 speedControlLayout->setSpacing( 4 );
426 speedControlLayout->addWidget( speedSlider );
427 speedControlLayout->addWidget( normalSpeedButton );
432 void SpeedControlWidget::activateOnState()
434 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
437 void SpeedControlWidget::updateControls( int rate )
439 if( speedSlider->isSliderDown() )
441 //We don't want to change anything if the user is using the slider
445 double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
446 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
448 if( sliderValue < speedSlider->minimum() )
450 sliderValue = speedSlider->minimum();
452 else if( sliderValue > speedSlider->maximum() )
454 sliderValue = speedSlider->maximum();
457 //Block signals to avoid feedback loop
458 speedSlider->blockSignals( true );
459 speedSlider->setValue( sliderValue );
460 speedSlider->blockSignals( false );
463 void SpeedControlWidget::updateRate( int sliderValue )
465 double speed = pow( 2, (double)sliderValue / 17 );
466 int rate = INPUT_RATE_DEFAULT / speed;
468 THEMIM->getIM()->setRate(rate);
471 void SpeedControlWidget::resetRate()
473 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
476 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
477 : QLabel( parent ), p_intf( _p_i )
479 setContextMenuPolicy( Qt::ActionsContextMenu );
480 CONNECT( this, updateRequested(), this, askForUpdate() );
481 CONNECT( THEMIM->getIM(), artChanged( QString ),
482 this, showArtUpdate( const QString& ) );
484 setMinimumHeight( 128 );
485 setMinimumWidth( 128 );
486 setMaximumHeight( 128 );
487 setMaximumWidth( 128 );
488 setScaledContents( true );
490 QList< QAction* > artActions = actions();
491 QAction *action = new QAction( qtr( "Download cover art" ), this );
492 CONNECT( action, triggered(), this, askForUpdate() );
498 CoverArtLabel::~CoverArtLabel()
500 QList< QAction* > artActions = actions();
501 foreach( QAction *act, artActions )
505 void CoverArtLabel::showArtUpdate( const QString& url )
508 if( !url.isEmpty() && pix.load( url ) )
514 setPixmap( QPixmap( ":/noart.png" ) );
518 void CoverArtLabel::askForUpdate()
520 THEMIM->getIM()->requestArtUpdate();
523 TimeLabel::TimeLabel( intf_thread_t *_p_intf ) :QLabel(), p_intf( _p_intf )
525 b_remainingTime = false;
526 setText( " --:--/--:-- " );
527 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
528 setToolTip( qtr( "Toggle between elapsed and remaining time" ) );
531 CONNECT( THEMIM->getIM(), cachingChanged( float ),
532 this, setCaching( float ) );
533 CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
534 this, setDisplayPosition( float, int, int ) );
537 void TimeLabel::setDisplayPosition( float pos, int time, int length )
541 setText( " --:--/--:-- " );
545 char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
546 secstotimestr( psz_length, length );
547 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
551 timestr.sprintf( "%s/%s", psz_time,
552 ( !length && time ) ? "--:--" : psz_length );
554 /* Add a minus to remaining time*/
555 if( b_remainingTime && length ) setText( " -"+timestr+" " );
556 else setText( " "+timestr+" " );
559 void TimeLabel::toggleTimeDisplay()
561 b_remainingTime = !b_remainingTime;
564 void TimeLabel::setCaching( float f_cache )
567 amount.setNum( (int)(100 * f_cache) );
568 msg_Dbg( p_intf, "New caching: %d", (int)(100*f_cache));
569 setText( "Buff: " + amount + "%" );