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 );
81 void VideoWidget::paintEvent(QPaintEvent *ev)
83 QFrame::paintEvent(ev);
85 XFlush( QX11Info::display() );
89 VideoWidget::~VideoWidget()
91 /* Ensure we are not leaking the video output. This would crash. */
96 * Request the video to avoid the conflicts
98 WId VideoWidget::request( vout_thread_t *p_nvout, 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 *pi_width = size().width();
107 *pi_height = size().height();
112 msg_Dbg( p_intf, "embedded video already in use" );
117 msg_Dbg( p_intf, "embedded video ready (handle %p)", (void *)winId() );
122 /* Set the Widget to the correct Size */
123 /* Function has to be called by the parent
124 Parent has to care about resizing himself*/
125 void VideoWidget::SetSizing( unsigned int w, unsigned int h )
127 msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
128 videoSize.rwidth() = w;
129 videoSize.rheight() = h;
130 if( !isVisible() ) show();
131 updateGeometry(); // Needed for deinterlace
134 void VideoWidget::release( void )
136 msg_Dbg( p_intf, "Video is not needed anymore" );
138 videoSize.rwidth() = 0;
139 videoSize.rheight() = 0;
144 QSize VideoWidget::sizeHint() const
149 /**********************************************************************
150 * Background Widget. Show a simple image background. Currently,
151 * it's album art if present or cone.
152 **********************************************************************/
153 #define ICON_SIZE 128
154 #define MAX_BG_SIZE 400
155 #define MIN_BG_SIZE 128
157 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
158 :QWidget( NULL ), p_intf( _p_i )
160 /* We should use that one to take the more size it can */
161 setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
163 /* A dark background */
164 setAutoFillBackground( true );
166 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
167 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
170 /* A cone in the middle */
172 label->setMargin( 5 );
173 label->setMaximumHeight( MAX_BG_SIZE );
174 label->setMaximumWidth( MAX_BG_SIZE );
175 label->setMinimumHeight( MIN_BG_SIZE );
176 label->setMinimumWidth( MIN_BG_SIZE );
177 if( QDate::currentDate().dayOfYear() >= 354 )
178 label->setPixmap( QPixmap( ":/vlc128-christmas.png" ) );
180 label->setPixmap( QPixmap( ":/vlc128.png" ) );
182 QGridLayout *backgroundLayout = new QGridLayout( this );
183 backgroundLayout->addWidget( label, 0, 1 );
184 backgroundLayout->setColumnStretch( 0, 1 );
185 backgroundLayout->setColumnStretch( 2, 1 );
187 CONNECT( THEMIM->getIM(), artChanged( QString ),
188 this, updateArt( const QString& ) );
191 BackgroundWidget::~BackgroundWidget()
194 void BackgroundWidget::resizeEvent( QResizeEvent * event )
196 if( event->size().height() <= MIN_BG_SIZE )
202 void BackgroundWidget::updateArt( const QString& url )
206 if( QDate::currentDate().dayOfYear() >= 354 )
207 label->setPixmap( QPixmap( ":/vlc128-christmas.png" ) );
209 label->setPixmap( QPixmap( ":/vlc128.png" ) );
213 label->setPixmap( QPixmap( url ) );
217 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
219 QVLCMenu::PopupMenu( p_intf, true );
224 #include <QPushButton>
225 #include <QHBoxLayout>
227 /**********************************************************************
228 * Visualization selector panel
229 **********************************************************************/
230 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
231 QFrame( NULL ), p_intf( _p_i )
233 QHBoxLayout *layout = new QHBoxLayout( this );
234 layout->setMargin( 0 );
235 QPushButton *prevButton = new QPushButton( "Prev" );
236 QPushButton *nextButton = new QPushButton( "Next" );
237 layout->addWidget( prevButton );
238 layout->addWidget( nextButton );
240 layout->addStretch( 10 );
241 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
243 current = new QLabel( qtr( "None" ) );
244 layout->addWidget( current );
246 BUTTONACT( prevButton, prev() );
247 BUTTONACT( nextButton, next() );
250 setMaximumHeight( 35 );
253 VisualSelector::~VisualSelector()
256 void VisualSelector::prev()
258 char *psz_new = aout_VisualPrev( p_intf );
261 current->setText( qfu( psz_new ) );
266 void VisualSelector::next()
268 char *psz_new = aout_VisualNext( p_intf );
271 current->setText( qfu( psz_new ) );
277 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString& text,
279 : QLabel( text, parent ), p_intf( _p_intf )
281 setToolTip( qtr( "Current playback speed.\nClick to adjust" ) );
283 /* Create the Speed Control Widget */
284 speedControl = new SpeedControlWidget( p_intf, this );
285 speedControlMenu = new QMenu( this );
287 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
288 widgetAction->setDefaultWidget( speedControl );
289 speedControlMenu->addAction( widgetAction );
291 /* Change the SpeedRate in the Status Bar */
292 CONNECT( THEMIM->getIM(), rateChanged( int ), this, setRate( int ) );
294 CONNECT( THEMIM, inputChanged( input_thread_t * ),
295 speedControl, activateOnState() );
298 SpeedLabel::~SpeedLabel()
301 delete speedControlMenu;
303 /****************************************************************************
304 * Small right-click menu for rate control
305 ****************************************************************************/
306 void SpeedLabel::showSpeedMenu( QPoint pos )
308 speedControlMenu->exec( QCursor::pos() - pos
309 + QPoint( 0, height() ) );
312 void SpeedLabel::setRate( int rate )
315 str.setNum( ( 1000 / (double)rate ), 'f', 2 );
319 speedControl->updateControls( rate );
322 /**********************************************************************
323 * Speed control widget
324 **********************************************************************/
325 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
326 : QFrame( _parent ), p_intf( _p_i )
328 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
329 sizePolicy.setHorizontalStretch( 0 );
330 sizePolicy.setVerticalStretch( 0 );
332 speedSlider = new QSlider( this );
333 speedSlider->setSizePolicy( sizePolicy );
334 speedSlider->setMaximumSize( QSize( 80, 200 ) );
335 speedSlider->setOrientation( Qt::Vertical );
336 speedSlider->setTickPosition( QSlider::TicksRight );
338 speedSlider->setRange( -34, 34 );
339 speedSlider->setSingleStep( 1 );
340 speedSlider->setPageStep( 1 );
341 speedSlider->setTickInterval( 17 );
343 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
345 QToolButton *normalSpeedButton = new QToolButton( this );
346 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
347 normalSpeedButton->setAutoRaise( true );
348 normalSpeedButton->setText( "1x" );
349 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
351 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
353 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
354 speedControlLayout->setLayoutMargins( 4, 4, 4, 4, 4 );
355 speedControlLayout->setSpacing( 4 );
356 speedControlLayout->addWidget( speedSlider );
357 speedControlLayout->addWidget( normalSpeedButton );
362 void SpeedControlWidget::activateOnState()
364 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
367 void SpeedControlWidget::updateControls( int rate )
369 if( speedSlider->isSliderDown() )
371 //We don't want to change anything if the user is using the slider
375 double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
376 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
378 if( sliderValue < speedSlider->minimum() )
380 sliderValue = speedSlider->minimum();
382 else if( sliderValue > speedSlider->maximum() )
384 sliderValue = speedSlider->maximum();
387 //Block signals to avoid feedback loop
388 speedSlider->blockSignals( true );
389 speedSlider->setValue( sliderValue );
390 speedSlider->blockSignals( false );
393 void SpeedControlWidget::updateRate( int sliderValue )
395 double speed = pow( 2, (double)sliderValue / 17 );
396 int rate = INPUT_RATE_DEFAULT / speed;
398 THEMIM->getIM()->setRate(rate);
401 void SpeedControlWidget::resetRate()
403 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
406 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
407 : QLabel( parent ), p_intf( _p_i )
409 setContextMenuPolicy( Qt::ActionsContextMenu );
410 CONNECT( this, updateRequested(), this, doUpdate() );
411 CONNECT( THEMIM->getIM(), artChanged( QString ),
412 this, doUpdate( const QString& ) );
414 setMinimumHeight( 128 );
415 setMinimumWidth( 128 );
416 setMaximumHeight( 128 );
417 setMaximumWidth( 128 );
418 setScaledContents( true );
419 QList< QAction* > artActions = actions();
420 QAction *action = new QAction( qtr( "Download cover art" ), this );
422 CONNECT( action, triggered(), this, doUpdate() );
427 CoverArtLabel::~CoverArtLabel()
429 QList< QAction* > artActions = actions();
430 foreach( QAction *act, artActions )
434 void CoverArtLabel::doUpdate( const QString& url )
437 if( !url.isEmpty() && pix.load( url ) )
443 setPixmap( QPixmap( ":/noart.png" ) );
447 void CoverArtLabel::doUpdate()
449 THEMIM->getIM()->requestArtUpdate();
452 TimeLabel::TimeLabel( intf_thread_t *_p_intf ) :QLabel(), p_intf( _p_intf )
454 b_remainingTime = false;
455 setText( " --:--/--:-- " );
456 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
457 setToolTip( qtr( "Toggle between elapsed and remaining time" ) );
460 CONNECT( THEMIM->getIM(), cachingChanged( float ),
461 this, setCaching( float ) );
462 CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
463 this, setDisplayPosition( float, int, int ) );
466 void TimeLabel::setDisplayPosition( float pos, int time, int length )
470 setText( " --:--/--:-- " );
474 char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
475 secstotimestr( psz_length, length );
476 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
480 timestr.sprintf( "%s/%s", psz_time,
481 ( !length && time ) ? "--:--" : psz_length );
483 /* Add a minus to remaining time*/
484 if( b_remainingTime && length ) setText( " -"+timestr+" " );
485 else setText( " "+timestr+" " );
488 void TimeLabel::toggleTimeDisplay()
490 b_remainingTime = !b_remainingTime;
493 void TimeLabel::setCaching( float f_cache )
496 amount.setNum( (int)(100 * f_cache) );
497 msg_Dbg( p_intf, "New caching: %d", (int)(100*f_cache));
498 setText( "Buff: " + amount + "%" );