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>
52 /**********************************************************************
53 * Video Widget. A simple frame on which video is drawn
54 * This class handles resize issues
55 **********************************************************************/
57 VideoWidget::VideoWidget( intf_thread_t *_p_i ) : QFrame( NULL ), p_intf( _p_i )
61 videoSize.rwidth() = -1;
62 videoSize.rheight() = -1;
66 /* Set the policy to expand in both directions */
67 // setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
69 /* Black background is more coherent for a Video Widget */
70 QPalette plt = palette();
71 plt.setColor( QPalette::Window, Qt::black );
73 setAutoFillBackground(true);
75 /* Indicates that the widget wants to draw directly onto the screen.
76 Widgets with this attribute set do not participate in composition
78 setAttribute( Qt::WA_PaintOnScreen, true );
80 /* The core can ask through a callback to show the video. */
81 connect( this, SIGNAL(askVideoWidgetToShow( unsigned int, unsigned int)),
82 this, SLOT(SetSizing(unsigned int, unsigned int )),
83 Qt::BlockingQueuedConnection );
86 void VideoWidget::paintEvent(QPaintEvent *ev)
88 QFrame::paintEvent(ev);
90 XFlush( QX11Info::display() );
94 VideoWidget::~VideoWidget()
96 /* Ensure we are not leaking the video output. This would crash. */
101 * Request the video to avoid the conflicts
103 WId VideoWidget::request( vout_thread_t *p_nvout, int *pi_x, int *pi_y,
104 unsigned int *pi_width, unsigned int *pi_height,
107 msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
111 *pi_width = size().width();
112 *pi_height = size().height();
115 emit askVideoWidgetToShow( *pi_width, *pi_height );
118 msg_Dbg( p_intf, "embedded video already in use" );
123 msg_Dbg( p_intf, "embedded video ready (handle %p)", (void *)winId() );
128 /* Set the Widget to the correct Size */
129 /* Function has to be called by the parent
130 Parent has to care about resizing himself*/
131 void VideoWidget::SetSizing( unsigned int w, unsigned int h )
133 msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
134 videoSize.rwidth() = w;
135 videoSize.rheight() = h;
136 if( isHidden() ) show();
137 updateGeometry(); // Needed for deinterlace
140 void VideoWidget::release( void )
142 msg_Dbg( p_intf, "Video is not needed anymore" );
144 videoSize.rwidth() = 0;
145 videoSize.rheight() = 0;
150 QSize VideoWidget::sizeHint() const
155 /**********************************************************************
156 * Background Widget. Show a simple image background. Currently,
157 * it's album art if present or cone.
158 **********************************************************************/
159 #define ICON_SIZE 128
160 #define MAX_BG_SIZE 400
161 #define MIN_BG_SIZE 128
163 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
164 :QWidget( NULL ), p_intf( _p_i )
166 /* We should use that one to take the more size it can */
167 setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
169 /* A dark background */
170 setAutoFillBackground( true );
172 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
173 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
176 /* A cone in the middle */
178 label->setMargin( 5 );
179 label->setMaximumHeight( MAX_BG_SIZE );
180 label->setMaximumWidth( MAX_BG_SIZE );
181 label->setMinimumHeight( MIN_BG_SIZE );
182 label->setMinimumWidth( MIN_BG_SIZE );
183 if( QDate::currentDate().dayOfYear() >= 354 )
184 label->setPixmap( QPixmap( ":/vlc128-christmas.png" ) );
186 label->setPixmap( QPixmap( ":/vlc128.png" ) );
188 QGridLayout *backgroundLayout = new QGridLayout( this );
189 backgroundLayout->addWidget( label, 0, 1 );
190 backgroundLayout->setColumnStretch( 0, 1 );
191 backgroundLayout->setColumnStretch( 2, 1 );
193 CONNECT( THEMIM->getIM(), artChanged( QString ),
194 this, updateArt( QString ) );
197 BackgroundWidget::~BackgroundWidget()
200 void BackgroundWidget::resizeEvent( QResizeEvent * event )
202 if( event->size().height() <= MIN_BG_SIZE )
208 void BackgroundWidget::updateArt( QString url )
212 if( QDate::currentDate().dayOfYear() >= 354 )
213 label->setPixmap( QPixmap( ":/vlc128-christmas.png" ) );
215 label->setPixmap( QPixmap( ":/vlc128.png" ) );
219 label->setPixmap( QPixmap( url ) );
223 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
225 QVLCMenu::PopupMenu( p_intf, true );
230 #include <QPushButton>
231 #include <QHBoxLayout>
233 /**********************************************************************
234 * Visualization selector panel
235 **********************************************************************/
236 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
237 QFrame( NULL ), p_intf( _p_i )
239 QHBoxLayout *layout = new QHBoxLayout( this );
240 layout->setMargin( 0 );
241 QPushButton *prevButton = new QPushButton( "Prev" );
242 QPushButton *nextButton = new QPushButton( "Next" );
243 layout->addWidget( prevButton );
244 layout->addWidget( nextButton );
246 layout->addStretch( 10 );
247 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
249 current = new QLabel( qtr( "None" ) );
250 layout->addWidget( current );
252 BUTTONACT( prevButton, prev() );
253 BUTTONACT( nextButton, next() );
256 setMaximumHeight( 35 );
259 VisualSelector::~VisualSelector()
262 void VisualSelector::prev()
264 char *psz_new = aout_VisualPrev( p_intf );
267 current->setText( qfu( psz_new ) );
272 void VisualSelector::next()
274 char *psz_new = aout_VisualNext( p_intf );
277 current->setText( qfu( psz_new ) );
283 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString& text,
285 : QLabel( text, parent ), p_intf( _p_intf )
287 setToolTip( qtr( "Current playback speed.\nRight click to adjust" ) );
288 setContextMenuPolicy ( Qt::CustomContextMenu );
290 /* Create the Speed Control Widget */
291 speedControl = new SpeedControlWidget( p_intf, this );
292 speedControlMenu = new QMenu( this );
294 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
295 widgetAction->setDefaultWidget( speedControl );
296 speedControlMenu->addAction( widgetAction );
298 /* Speed Label behaviour:
299 - right click gives the vertical speed slider */
300 CONNECT( this, customContextMenuRequested( QPoint ),
301 this, showSpeedMenu( QPoint ) );
303 /* Change the SpeedRate in the Status Bar */
304 CONNECT( THEMIM->getIM(), rateChanged( int ), this, setRate( int ) );
306 CONNECT( THEMIM, inputChanged( input_thread_t * ),
307 speedControl, activateOnState() );
309 SpeedLabel::~SpeedLabel()
312 delete speedControlMenu;
314 /****************************************************************************
315 * Small right-click menu for rate control
316 ****************************************************************************/
317 void SpeedLabel::showSpeedMenu( QPoint pos )
319 speedControlMenu->exec( QCursor::pos() - pos
320 + QPoint( 0, height() ) );
323 void SpeedLabel::setRate( int rate )
326 str.setNum( ( 1000 / (double)rate ), 'f', 2 );
330 speedControl->updateControls( rate );
333 /**********************************************************************
334 * Speed control widget
335 **********************************************************************/
336 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
337 : QFrame( _parent ), p_intf( _p_i )
339 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
340 sizePolicy.setHorizontalStretch( 0 );
341 sizePolicy.setVerticalStretch( 0 );
343 speedSlider = new QSlider( this );
344 speedSlider->setSizePolicy( sizePolicy );
345 speedSlider->setMaximumSize( QSize( 80, 200 ) );
346 speedSlider->setOrientation( Qt::Vertical );
347 speedSlider->setTickPosition( QSlider::TicksRight );
349 speedSlider->setRange( -34, 34 );
350 speedSlider->setSingleStep( 1 );
351 speedSlider->setPageStep( 1 );
352 speedSlider->setTickInterval( 17 );
354 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
356 QToolButton *normalSpeedButton = new QToolButton( this );
357 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
358 normalSpeedButton->setAutoRaise( true );
359 normalSpeedButton->setText( "1x" );
360 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
362 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
364 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
365 speedControlLayout->setLayoutMargins( 4, 4, 4, 4, 4 );
366 speedControlLayout->setSpacing( 4 );
367 speedControlLayout->addWidget( speedSlider );
368 speedControlLayout->addWidget( normalSpeedButton );
373 void SpeedControlWidget::activateOnState()
375 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
378 void SpeedControlWidget::updateControls( int rate )
380 if( speedSlider->isSliderDown() )
382 //We don't want to change anything if the user is using the slider
386 double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
387 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
389 if( sliderValue < speedSlider->minimum() )
391 sliderValue = speedSlider->minimum();
393 else if( sliderValue > speedSlider->maximum() )
395 sliderValue = speedSlider->maximum();
398 //Block signals to avoid feedback loop
399 speedSlider->blockSignals( true );
400 speedSlider->setValue( sliderValue );
401 speedSlider->blockSignals( false );
404 void SpeedControlWidget::updateRate( int sliderValue )
406 double speed = pow( 2, (double)sliderValue / 17 );
407 int rate = INPUT_RATE_DEFAULT / speed;
409 THEMIM->getIM()->setRate(rate);
412 void SpeedControlWidget::resetRate()
414 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
417 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
418 : QLabel( parent ), p_intf( _p_i )
420 setContextMenuPolicy( Qt::ActionsContextMenu );
421 CONNECT( this, updateRequested(), this, doUpdate() );
422 CONNECT( THEMIM->getIM(), artChanged( QString ),
423 this, doUpdate( QString ) );
425 setMinimumHeight( 128 );
426 setMinimumWidth( 128 );
427 setMaximumHeight( 128 );
428 setMaximumWidth( 128 );
429 setScaledContents( true );
430 QList< QAction* > artActions = actions();
431 QAction *action = new QAction( qtr( "Download cover art" ), this );
433 CONNECT( action, triggered(), this, doUpdate() );
438 CoverArtLabel::~CoverArtLabel()
440 QList< QAction* > artActions = actions();
441 foreach( QAction *act, artActions )
445 void CoverArtLabel::doUpdate( QString url )
448 if( !url.isEmpty() && pix.load( url ) )
454 setPixmap( QPixmap( ":/noart.png" ) );
458 void CoverArtLabel::doUpdate()
460 THEMIM->getIM()->requestArtUpdate();
463 TimeLabel::TimeLabel( intf_thread_t *_p_intf ) :QLabel(), p_intf( _p_intf )
465 b_remainingTime = false;
466 setText( " --:--/--:-- " );
467 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
468 setToolTip( qtr( "Toggle between elapsed and remaining time" ) );
471 CONNECT( THEMIM->getIM(), cachingChanged( float ),
472 this, setCaching( float ) );
473 CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
474 this, setDisplayPosition( float, int, int ) );
477 void TimeLabel::setDisplayPosition( float pos, int time, int length )
481 setText( " --:--/--:-- " );
485 char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
486 secstotimestr( psz_length, length );
487 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
491 timestr.sprintf( "%s/%s", psz_time,
492 ( !length && time ) ? "--:--" : psz_length );
494 /* Add a minus to remaining time*/
495 if( b_remainingTime && length ) setText( " -"+timestr+" " );
496 else setText( " "+timestr+" " );
499 void TimeLabel::toggleTimeDisplay()
501 b_remainingTime = !b_remainingTime;
504 void TimeLabel::setCaching( float f_cache )
507 amount.setNum( (int)(100 * f_cache) );
508 msg_Dbg( p_intf, "New caching: %d", (int)(100*f_cache));
509 setText( "Buffering " + amount + "%" );