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>
44 #include <QDesktopWidget>
47 # include <X11/Xlib.h>
48 # include <qx11info_x11.h>
49 static void videoSync( void )
51 /* Make sure the X server has processed all requests.
52 * This protects other threads using distinct connections from getting
53 * the video widget window in an inconsistent states. */
54 XSync( QX11Info::display(), False );
57 # define videoSync() (void)0
62 class ReparentableWidget : public QWidget
67 ReparentableWidget( VideoWidget *owner ) : owner( owner )
72 void keyPressEvent( QKeyEvent *e )
74 emit owner->keyPressed( e );
78 /**********************************************************************
79 * Video Widget. A simple frame on which video is drawn
80 * This class handles resize issues
81 **********************************************************************/
83 VideoWidget::VideoWidget( intf_thread_t *_p_i )
86 , reparentable( NULL )
88 /* Set the policy to expand in both directions */
89 // setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
91 layout = new QHBoxLayout( this );
92 layout->setContentsMargins( 0, 0, 0, 0 );
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 ReparentableWidget( this );
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 /* Indicates that the widget wants to draw directly onto the screen.
140 Widgets with this attribute set do not participate in composition
142 stable->setAttribute( Qt::WA_PaintOnScreen, true );
144 innerLayout->addWidget( stable );
146 layout->addWidget( reparentable );
149 /* HACK: Only one X11 client can subscribe to mouse button press events.
150 * VLC currently handles those in the video display.
151 * Force Qt4 to unsubscribe from mouse press and release events. */
152 Display *dpy = QX11Info::display();
153 Window w = stable->winId();
154 XWindowAttributes attr;
156 XGetWindowAttributes( dpy, w, &attr );
157 attr.your_event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
158 XSelectInput( dpy, w, attr.your_event_mask );
162 msg_Dbg( p_intf, "embedded video ready (handle %p)",
163 (void *)stable->winId() );
165 return stable->winId();
168 /* Set the Widget to the correct Size */
169 /* Function has to be called by the parent
170 Parent has to care about resizing itself */
171 void VideoWidget::SetSizing( unsigned int w, unsigned int h )
173 if (reparentable->windowState() & Qt::WindowFullScreen )
175 msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
176 videoSize.setWidth( w );
177 videoSize.setHeight( h );
178 if( !isVisible() ) show();
179 updateGeometry(); // Needed for deinterlace
183 void VideoWidget::SetFullScreen( bool b_fs )
185 const Qt::WindowStates curstate = reparentable->windowState();
186 Qt::WindowStates newstate = curstate;
187 Qt::WindowFlags newflags = reparentable->windowFlags();
192 newstate |= Qt::WindowFullScreen;
193 newflags |= Qt::WindowStaysOnTopHint;
197 newstate &= ~Qt::WindowFullScreen;
198 newflags &= ~Qt::WindowStaysOnTopHint;
200 if( newstate == curstate )
201 return; /* no changes needed */
204 { /* Go full-screen */
205 int numscreen = var_InheritInteger( p_intf, "qt-fullscreen-screennumber" );
206 /* if user hasn't defined screennumber, or screennumber that is bigger
207 * than current number of screens, take screennumber where current interface
210 if( numscreen == -1 || numscreen > QApplication::desktop()->numScreens() )
211 numscreen = QApplication::desktop()->screenNumber( p_intf->p_sys->p_mi );
213 QRect screenres = QApplication::desktop()->screenGeometry( numscreen );
215 reparentable->setParent( NULL, newflags );
216 reparentable->setWindowState( newstate );
217 /* To be sure window is on proper-screen in xinerama */
218 if( !screenres.contains( reparentable->pos() ) )
220 msg_Dbg( p_intf, "Moving video to correct screen");
221 reparentable->move( QPoint( screenres.x(), screenres.y() ) );
223 reparentable->show();
227 reparentable->setWindowFlags( newflags );
228 reparentable->setWindowState( newstate );
229 layout->addWidget( reparentable );
234 void VideoWidget::release( void )
236 msg_Dbg( p_intf, "Video is not needed anymore" );
237 //layout->removeWidget( reparentable );
240 /* Come back to default thumbnail for Windows 7 taskbar */
241 LPTASKBARLIST3 p_taskbl;
242 OSVERSIONINFO winVer;
243 winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
244 if( GetVersionEx(&winVer) && winVer.dwMajorVersion > 5 )
248 if( S_OK == CoCreateInstance( &clsid_ITaskbarList,
249 NULL, CLSCTX_INPROC_SERVER,
251 (void **)&p_taskbl) )
253 p_taskbl->vt->HrInit(p_taskbl);
255 HWND hroot = GetAncestor(reparentable->winId(),GA_ROOT);
257 if (S_OK != p_taskbl->vt->SetThumbnailClip(p_taskbl, hroot, NULL))
258 msg_Err(p_intf, "SetThumbNailClip failed");
259 msg_Err(p_intf, "Releasing taskbar | root handle = %08x", hroot);
260 p_taskbl->vt->Release(p_taskbl);
274 QSize VideoWidget::sizeHint() const
279 /**********************************************************************
280 * Background Widget. Show a simple image background. Currently,
281 * it's album art if present or cone.
282 **********************************************************************/
283 #define ICON_SIZE 128
284 #define MAX_BG_SIZE 400
285 #define MIN_BG_SIZE 128
287 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
288 :QWidget( NULL ), p_intf( _p_i )
290 /* We should use that one to take the more size it can */
291 setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
293 /* A dark background */
294 setAutoFillBackground( true );
295 QPalette plt = palette();
296 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
297 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
300 /* A cone in the middle */
302 label->setMargin( 5 );
303 /* label->setMaximumHeight( MAX_BG_SIZE );
304 label->setMaximumWidth( MAX_BG_SIZE );
305 label->setMinimumHeight( MIN_BG_SIZE );
306 label->setMinimumWidth( MIN_BG_SIZE );*/
307 label->setAlignment( Qt::AlignCenter );
308 if( QDate::currentDate().dayOfYear() >= 354 )
309 label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
311 label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
313 QGridLayout *backgroundLayout = new QGridLayout( this );
314 backgroundLayout->addWidget( label, 0, 1 );
315 backgroundLayout->setColumnStretch( 0, 1 );
316 backgroundLayout->setColumnStretch( 2, 1 );
318 CONNECT( THEMIM->getIM(), artChanged( QString ),
319 this, updateArt( const QString& ) );
322 BackgroundWidget::~BackgroundWidget()
325 void BackgroundWidget::resizeEvent( QResizeEvent * event )
327 if( event->size().height() <= MIN_BG_SIZE )
333 void BackgroundWidget::updateArt( const QString& url )
337 if( QDate::currentDate().dayOfYear() >= 354 )
338 label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
340 label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
344 QPixmap pixmap( url );
345 if( pixmap.width() > label->maximumWidth() ||
346 pixmap.height() > label->maximumHeight() )
348 pixmap = pixmap.scaled( label->maximumWidth(),
349 label->maximumHeight(), Qt::KeepAspectRatio );
352 label->setPixmap( pixmap );
356 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
358 QVLCMenu::PopupMenu( p_intf, true );
363 #include <QPushButton>
364 #include <QHBoxLayout>
366 /**********************************************************************
367 * Visualization selector panel
368 **********************************************************************/
369 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
370 QFrame( NULL ), p_intf( _p_i )
372 QHBoxLayout *layout = new QHBoxLayout( this );
373 layout->setMargin( 0 );
374 QPushButton *prevButton = new QPushButton( "Prev" );
375 QPushButton *nextButton = new QPushButton( "Next" );
376 layout->addWidget( prevButton );
377 layout->addWidget( nextButton );
379 layout->addStretch( 10 );
380 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
382 current = new QLabel( qtr( "None" ) );
383 layout->addWidget( current );
385 BUTTONACT( prevButton, prev() );
386 BUTTONACT( nextButton, next() );
389 setMaximumHeight( 35 );
392 VisualSelector::~VisualSelector()
395 void VisualSelector::prev()
397 char *psz_new = aout_VisualPrev( p_intf );
400 current->setText( qfu( psz_new ) );
405 void VisualSelector::next()
407 char *psz_new = aout_VisualNext( p_intf );
410 current->setText( qfu( psz_new ) );
416 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString& text,
418 : QLabel( text, parent ), p_intf( _p_intf )
420 setToolTip( qtr( "Current playback speed.\nClick to adjust" ) );
422 /* Create the Speed Control Widget */
423 speedControl = new SpeedControlWidget( p_intf, this );
424 speedControlMenu = new QMenu( this );
426 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
427 widgetAction->setDefaultWidget( speedControl );
428 speedControlMenu->addAction( widgetAction );
430 /* Change the SpeedRate in the Status Bar */
431 CONNECT( THEMIM->getIM(), rateChanged( int ), this, setRate( int ) );
433 CONNECT( THEMIM, inputChanged( input_thread_t * ),
434 speedControl, activateOnState() );
437 SpeedLabel::~SpeedLabel()
440 delete speedControlMenu;
442 /****************************************************************************
443 * Small right-click menu for rate control
444 ****************************************************************************/
445 void SpeedLabel::showSpeedMenu( QPoint pos )
447 speedControlMenu->exec( QCursor::pos() - pos
448 + QPoint( 0, height() ) );
451 void SpeedLabel::setRate( int rate )
454 str.setNum( ( 1000 / (double)rate ), 'f', 2 );
458 speedControl->updateControls( rate );
461 /**********************************************************************
462 * Speed control widget
463 **********************************************************************/
464 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
465 : QFrame( _parent ), p_intf( _p_i )
467 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
468 sizePolicy.setHorizontalStretch( 0 );
469 sizePolicy.setVerticalStretch( 0 );
471 speedSlider = new QSlider( this );
472 speedSlider->setSizePolicy( sizePolicy );
473 speedSlider->setMaximumSize( QSize( 80, 200 ) );
474 speedSlider->setOrientation( Qt::Vertical );
475 speedSlider->setTickPosition( QSlider::TicksRight );
477 speedSlider->setRange( -34, 34 );
478 speedSlider->setSingleStep( 1 );
479 speedSlider->setPageStep( 1 );
480 speedSlider->setTickInterval( 17 );
482 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
484 QToolButton *normalSpeedButton = new QToolButton( this );
485 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
486 normalSpeedButton->setAutoRaise( true );
487 normalSpeedButton->setText( "1x" );
488 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
490 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
492 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
493 speedControlLayout->setContentsMargins( 4, 4, 4, 4 );
494 speedControlLayout->setSpacing( 4 );
495 speedControlLayout->addWidget( speedSlider );
496 speedControlLayout->addWidget( normalSpeedButton );
501 void SpeedControlWidget::activateOnState()
503 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
506 void SpeedControlWidget::updateControls( int rate )
508 if( speedSlider->isSliderDown() )
510 //We don't want to change anything if the user is using the slider
514 double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
515 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
517 if( sliderValue < speedSlider->minimum() )
519 sliderValue = speedSlider->minimum();
521 else if( sliderValue > speedSlider->maximum() )
523 sliderValue = speedSlider->maximum();
526 //Block signals to avoid feedback loop
527 speedSlider->blockSignals( true );
528 speedSlider->setValue( sliderValue );
529 speedSlider->blockSignals( false );
532 void SpeedControlWidget::updateRate( int sliderValue )
534 double speed = pow( 2, (double)sliderValue / 17 );
535 int rate = INPUT_RATE_DEFAULT / speed;
537 THEMIM->getIM()->setRate(rate);
540 void SpeedControlWidget::resetRate()
542 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
545 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
546 : QLabel( parent ), p_intf( _p_i )
548 setContextMenuPolicy( Qt::ActionsContextMenu );
549 CONNECT( this, updateRequested(), this, askForUpdate() );
551 setMinimumHeight( 128 );
552 setMinimumWidth( 128 );
553 setMaximumHeight( 128 );
554 setMaximumWidth( 128 );
555 setScaledContents( false );
556 setAlignment( Qt::AlignCenter );
558 QList< QAction* > artActions = actions();
559 QAction *action = new QAction( qtr( "Download cover art" ), this );
560 CONNECT( action, triggered(), this, askForUpdate() );
566 CoverArtLabel::~CoverArtLabel()
568 QList< QAction* > artActions = actions();
569 foreach( QAction *act, artActions )
573 void CoverArtLabel::showArtUpdate( const QString& url )
576 if( !url.isEmpty() && pix.load( url ) )
578 pix = pix.scaled( maximumWidth(), maximumHeight(),
579 Qt::KeepAspectRatioByExpanding );
583 pix = QPixmap( ":/noart.png" );
588 void CoverArtLabel::askForUpdate()
590 THEMIM->getIM()->requestArtUpdate();
593 TimeLabel::TimeLabel( intf_thread_t *_p_intf ) :QLabel(), p_intf( _p_intf )
595 b_remainingTime = false;
596 setText( " --:--/--:-- " );
597 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
598 setToolTip( qtr( "Toggle between elapsed and remaining time" ) );
601 CONNECT( THEMIM->getIM(), cachingChanged( float ),
602 this, setCaching( float ) );
603 CONNECT( THEMIM->getIM(), positionUpdated( float, int64_t, int ),
604 this, setDisplayPosition( float, int64_t, int ) );
607 void TimeLabel::setDisplayPosition( float pos, int64_t t, int length )
611 setText( " --:--/--:-- " );
615 int time = t / 1000000;
616 char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
617 secstotimestr( psz_length, length );
618 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
622 timestr.sprintf( " %s%s/%s ", (b_remainingTime && length) ? "-" : "",
623 psz_time, ( !length && time ) ? "--:--" : psz_length );
628 void TimeLabel::toggleTimeDisplay()
630 b_remainingTime = !b_remainingTime;
633 void TimeLabel::setCaching( float f_cache )
636 amount.sprintf("Buff: %i%%", (int)(100*f_cache) );