/*****************************************************************************
* interface_widgets.cpp : Custom widgets for the main interface
****************************************************************************
- * Copyright (C) 2006-2008 the VideoLAN team
+ * Copyright (C) 2006-2010 the VideoLAN team
* $Id$
*
* Authors: Clément Stenac <zorglub@videolan.org>
# include "config.h"
#endif
+#include "qt4.hpp"
#include "components/interface_widgets.hpp"
+#include "dialogs_provider.hpp"
+#include "util/customwidgets.hpp" // qtEventToVLCKey, QVLCStackedWidget
#include "menus.hpp" /* Popup menu on bgWidget */
#include <QLabel>
#include <QToolButton>
#include <QPalette>
+#include <QEvent>
#include <QResizeEvent>
#include <QDate>
#include <QMenu>
#include <QWidgetAction>
+#include <QDesktopWidget>
+#include <QPainter>
+#include <QTimer>
+#include <QSlider>
+#include <QBitmap>
#ifdef Q_WS_X11
-# include <X11/Xlib.h>
-# include <qx11info_x11.h>
+# include <X11/Xlib.h>
+# include <qx11info_x11.h>
#endif
#include <math.h>
+#include <assert.h>
/**********************************************************************
* Video Widget. A simple frame on which video is drawn
* This class handles resize issues
**********************************************************************/
-VideoWidget::VideoWidget( intf_thread_t *_p_i ) : QFrame( NULL ), p_intf( _p_i )
+VideoWidget::VideoWidget( intf_thread_t *_p_i )
+ : QFrame( NULL ) , p_intf( _p_i )
{
- /* Init */
- p_vout = NULL;
- videoSize.rwidth() = -1;
- videoSize.rheight() = -1;
-
- hide();
-
/* Set the policy to expand in both directions */
-// setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
-
- /* Black background is more coherent for a Video Widget */
- QPalette plt = palette();
- plt.setColor( QPalette::Window, Qt::black );
- setPalette( plt );
- setAutoFillBackground(true);
+ // setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
- /* Indicates that the widget wants to draw directly onto the screen.
- Widgets with this attribute set do not participate in composition
- management */
- setAttribute( Qt::WA_PaintOnScreen, true );
+ layout = new QHBoxLayout( this );
+ layout->setContentsMargins( 0, 0, 0, 0 );
+ stable = NULL;
+ show();
}
-void VideoWidget::paintEvent(QPaintEvent *ev)
+VideoWidget::~VideoWidget()
{
- QFrame::paintEvent(ev);
-#ifdef Q_WS_X11
- XFlush( QX11Info::display() );
-#endif
+ /* Ensure we are not leaking the video output. This would crash. */
+ assert( !stable );
}
-VideoWidget::~VideoWidget()
+void VideoWidget::sync( void )
{
- /* Ensure we are not leaking the video output. This would crash. */
- assert( !p_vout );
+#ifdef Q_WS_X11
+ /* Make sure the X server has processed all requests.
+ * This protects other threads using distinct connections from getting
+ * the video widget window in an inconsistent states. */
+ XSync( QX11Info::display(), False );
+#endif
}
/**
* Request the video to avoid the conflicts
**/
-WId VideoWidget::request( vout_thread_t *p_nvout, int *pi_x, int *pi_y,
+WId VideoWidget::request( int *pi_x, int *pi_y,
unsigned int *pi_width, unsigned int *pi_height,
bool b_keep_size )
{
msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
+ if( stable )
+ {
+ msg_Dbg( p_intf, "embedded video already in use" );
+ return 0;
+ }
if( b_keep_size )
{
*pi_width = size().width();
*pi_height = size().height();
}
- if( p_vout )
- {
- msg_Dbg( p_intf, "embedded video already in use" );
- return NULL;
- }
- p_vout = p_nvout;
+ /* The owner of the video window needs a stable handle (WinId). Reparenting
+ * in Qt4-X11 changes the WinId of the widget, so we need to create another
+ * dummy widget that stays within the reparentable widget. */
+ stable = new QWidget();
+ QPalette plt = palette();
+ plt.setColor( QPalette::Window, Qt::black );
+ stable->setPalette( plt );
+ stable->setAutoFillBackground(true);
+ /* Indicates that the widget wants to draw directly onto the screen.
+ Widgets with this attribute set do not participate in composition
+ management */
+ /* This is currently disabled on X11 as it does not seem to improve
+ * performance, but causes the video widget to be transparent... */
+#ifndef Q_WS_X11
+ stable->setAttribute( Qt::WA_PaintOnScreen, true );
+#endif
+
+ layout->addWidget( stable );
+
+#ifdef Q_WS_X11
+ /* HACK: Only one X11 client can subscribe to mouse button press events.
+ * VLC currently handles those in the video display.
+ * Force Qt4 to unsubscribe from mouse press and release events. */
+ Display *dpy = QX11Info::display();
+ Window w = stable->winId();
+ XWindowAttributes attr;
+
+ XGetWindowAttributes( dpy, w, &attr );
+ attr.your_event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
+ XSelectInput( dpy, w, attr.your_event_mask );
+#endif
+ sync();
#ifndef NDEBUG
- msg_Dbg( p_intf, "embedded video ready (handle %p)", (void *)winId() );
+ msg_Dbg( p_intf, "embedded video ready (handle %p)",
+ (void *)stable->winId() );
#endif
- return winId();
+ return stable->winId();
}
/* Set the Widget to the correct Size */
Parent has to care about resizing itself */
void VideoWidget::SetSizing( unsigned int w, unsigned int h )
{
- msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
- videoSize.rwidth() = w;
- videoSize.rheight() = h;
- if( !isVisible() ) show();
- updateGeometry(); // Needed for deinterlace
+ resize( w, h );
+ emit sizeChanged( w, h );
+ /* Work-around a bug?misconception? that would happen when vout core resize
+ twice to the same size and would make the vout not centered.
+ This cause a small flicker.
+ See #3621
+ */
+ if( size().width() == w && size().height() == h )
+ updateGeometry();
+ sync();
}
void VideoWidget::release( void )
{
msg_Dbg( p_intf, "Video is not needed anymore" );
- p_vout = NULL;
- videoSize.rwidth() = 0;
- videoSize.rheight() = 0;
- updateGeometry();
- hide();
-}
-QSize VideoWidget::sizeHint() const
-{
- return videoSize;
+ if( stable )
+ {
+ layout->removeWidget( stable );
+ stable->deleteLater();
+ stable = NULL;
+ }
+
+ updateGeometry();
}
/**********************************************************************
* Background Widget. Show a simple image background. Currently,
* it's album art if present or cone.
**********************************************************************/
-#define ICON_SIZE 128
-#define MAX_BG_SIZE 400
-#define MIN_BG_SIZE 128
BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
- :QWidget( NULL ), p_intf( _p_i )
+ :QWidget( NULL ), p_intf( _p_i ), b_expandPixmap( false ), b_withart( true )
{
- /* We should use that one to take the more size it can */
- setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
-
/* A dark background */
setAutoFillBackground( true );
- plt = palette();
+ QPalette plt = palette();
plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
setPalette( plt );
- /* A cone in the middle */
- label = new QLabel;
- label->setMargin( 5 );
- label->setMaximumHeight( MAX_BG_SIZE );
- label->setMaximumWidth( MAX_BG_SIZE );
- label->setMinimumHeight( MIN_BG_SIZE );
- label->setMinimumWidth( MIN_BG_SIZE );
- if( QDate::currentDate().dayOfYear() >= 354 )
- label->setPixmap( QPixmap( ":/vlc128-christmas.png" ) );
- else
- label->setPixmap( QPixmap( ":/vlc128.png" ) );
-
- QGridLayout *backgroundLayout = new QGridLayout( this );
- backgroundLayout->addWidget( label, 0, 1 );
- backgroundLayout->setColumnStretch( 0, 1 );
- backgroundLayout->setColumnStretch( 2, 1 );
+ /* Init the cone art */
+ updateArt( "" );
CONNECT( THEMIM->getIM(), artChanged( QString ),
this, updateArt( const QString& ) );
}
-BackgroundWidget::~BackgroundWidget()
-{}
-
-void BackgroundWidget::resizeEvent( QResizeEvent * event )
+void BackgroundWidget::updateArt( const QString& url )
{
- if( event->size().height() <= MIN_BG_SIZE )
- label->hide();
+ if ( !url.isEmpty() )
+ {
+ pixmapUrl = url;
+ }
else
- label->show();
+ { /* Xmas joke */
+ if( QDate::currentDate().dayOfYear() >= QT_XMAS_JOKE_DAY && var_InheritBool( p_intf, "qt-icon-change" ) )
+ pixmapUrl = QString( ":/logo/vlc128-xmas.png" );
+ else
+ pixmapUrl = QString( ":/logo/vlc128.png" );
+ }
+ update();
}
-void BackgroundWidget::updateArt( const QString& url )
+void BackgroundWidget::paintEvent( QPaintEvent *e )
{
- if( url.isEmpty() )
+ if ( !b_withart )
{
- if( QDate::currentDate().dayOfYear() >= 354 )
- label->setPixmap( QPixmap( ":/vlc128-christmas.png" ) );
- else
- label->setPixmap( QPixmap( ":/vlc128.png" ) );
+ /* we just want background autofill */
+ QWidget::paintEvent( e );
+ return;
}
- else
+
+ int i_maxwidth, i_maxheight;
+ QPixmap pixmap = QPixmap( pixmapUrl );
+ QPainter painter(this);
+ QBitmap pMask;
+ float f_alpha = 1.0;
+
+ i_maxwidth = std::min( maximumWidth(), width() ) - MARGIN * 2;
+ i_maxheight = std::min( maximumHeight(), height() ) - MARGIN * 2;
+
+ if ( height() > MARGIN * 2 )
{
- label->setPixmap( QPixmap( url ) );
+ /* Scale down the pixmap if the widget is too small */
+ if( pixmap.width() > i_maxwidth || pixmap.height() > i_maxheight )
+ {
+ pixmap = pixmap.scaled( i_maxwidth, i_maxheight,
+ Qt::KeepAspectRatio, Qt::SmoothTransformation );
+ }
+ else
+ if ( b_expandPixmap &&
+ pixmap.width() < width() && pixmap.height() < height() )
+ {
+ /* Scale up the pixmap to fill widget's size */
+ f_alpha = ( (float) pixmap.height() / (float) height() );
+ pixmap = pixmap.scaled(
+ width() - MARGIN * 2,
+ height() - MARGIN * 2,
+ Qt::KeepAspectRatio,
+ ( f_alpha < .2 )? /* Don't waste cpu when not visible */
+ Qt::SmoothTransformation:
+ Qt::FastTransformation
+ );
+ /* Non agressive alpha compositing when sizing up */
+ pMask = QBitmap( pixmap.width(), pixmap.height() );
+ pMask.fill( QColor::fromRgbF( 1.0, 1.0, 1.0, f_alpha ) );
+ pixmap.setMask( pMask );
+ }
+
+ painter.drawPixmap(
+ MARGIN + ( i_maxwidth - pixmap.width() ) /2,
+ MARGIN + ( i_maxheight - pixmap.height() ) /2,
+ pixmap);
}
+ QWidget::paintEvent( e );
}
void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
}
#endif
-SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString& text,
- QWidget *parent )
- : QLabel( text, parent ), p_intf( _p_intf )
+SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, QWidget *parent )
+ : QLabel( parent ), p_intf( _p_intf )
{
- setToolTip( qtr( "Current playback speed.\nClick to adjust" ) );
+ tooltipStringPattern = qtr( "Current playback speed: %1\nClick to adjust" );
/* Create the Speed Control Widget */
speedControl = new SpeedControlWidget( p_intf, this );
speedControlMenu->addAction( widgetAction );
/* Change the SpeedRate in the Status Bar */
- CONNECT( THEMIM->getIM(), rateChanged( int ), this, setRate( int ) );
-
- CONNECT( THEMIM, inputChanged( input_thread_t * ),
- speedControl, activateOnState() );
+ CONNECT( THEMIM->getIM(), rateChanged( float ), this, setRate( float ) );
+ DCONNECT( THEMIM, inputChanged( input_thread_t * ),
+ speedControl, activateOnState() );
+ setRate( var_InheritFloat( p_intf, "rate" ) );
}
+
SpeedLabel::~SpeedLabel()
{
- delete speedControl;
- delete speedControlMenu;
+ delete speedControl;
+ delete speedControlMenu;
}
+
/****************************************************************************
* Small right-click menu for rate control
****************************************************************************/
+
void SpeedLabel::showSpeedMenu( QPoint pos )
{
speedControlMenu->exec( QCursor::pos() - pos
+ QPoint( 0, height() ) );
}
-void SpeedLabel::setRate( int rate )
+void SpeedLabel::setRate( float rate )
{
QString str;
- str.setNum( ( 1000 / (double)rate ), 'f', 2 );
+ str.setNum( rate, 'f', 2 );
str.append( "x" );
setText( str );
- setToolTip( str );
+ setToolTip( tooltipStringPattern.arg( str ) );
speedControl->updateControls( rate );
}
CONNECT( normalSpeedButton, clicked(), this, resetRate() );
QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
- speedControlLayout->setLayoutMargins( 4, 4, 4, 4, 4 );
+ speedControlLayout->setContentsMargins( 4, 4, 4, 4 );
speedControlLayout->setSpacing( 4 );
speedControlLayout->addWidget( speedSlider );
speedControlLayout->addWidget( normalSpeedButton );
+ lastValue = 0;
+
activateOnState();
}
speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
}
-void SpeedControlWidget::updateControls( int rate )
+void SpeedControlWidget::updateControls( float rate )
{
if( speedSlider->isSliderDown() )
{
return;
}
- double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
+ double value = 17 * log( rate ) / log( 2. );
int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
if( sliderValue < speedSlider->minimum() )
{
sliderValue = speedSlider->maximum();
}
+ lastValue = sliderValue;
- //Block signals to avoid feedback loop
- speedSlider->blockSignals( true );
speedSlider->setValue( sliderValue );
- speedSlider->blockSignals( false );
}
void SpeedControlWidget::updateRate( int sliderValue )
{
+ if( sliderValue == lastValue )
+ return;
+
double speed = pow( 2, (double)sliderValue / 17 );
int rate = INPUT_RATE_DEFAULT / speed;
{
setContextMenuPolicy( Qt::ActionsContextMenu );
CONNECT( this, updateRequested(), this, askForUpdate() );
- CONNECT( THEMIM->getIM(), artChanged( QString ),
- this, showArtUpdate( const QString& ) );
setMinimumHeight( 128 );
setMinimumWidth( 128 );
setMaximumHeight( 128 );
setMaximumWidth( 128 );
- setScaledContents( true );
+ setScaledContents( false );
+ setAlignment( Qt::AlignCenter );
QList< QAction* > artActions = actions();
QAction *action = new QAction( qtr( "Download cover art" ), this );
void CoverArtLabel::showArtUpdate( const QString& url )
{
QPixmap pix;
- if( !url.isEmpty() && pix.load( url ) )
+ if( !url.isEmpty() && pix.load( url ) )
{
- setPixmap( pix );
+ pix = pix.scaled( maximumWidth(), maximumHeight(),
+ Qt::KeepAspectRatioByExpanding,
+ Qt::SmoothTransformation );
}
else
{
- setPixmap( QPixmap( ":/noart.png" ) );
+ pix = QPixmap( ":/noart.png" );
}
+ setPixmap( pix );
}
void CoverArtLabel::askForUpdate()
THEMIM->getIM()->requestArtUpdate();
}
-TimeLabel::TimeLabel( intf_thread_t *_p_intf ) :QLabel(), p_intf( _p_intf )
+TimeLabel::TimeLabel( intf_thread_t *_p_intf )
+ : QLabel(), p_intf( _p_intf ), bufTimer( new QTimer(this) ),
+ buffering( false ), showBuffering(false), bufVal( -1 )
{
- b_remainingTime = false;
- setText( " --:--/--:-- " );
- setAlignment( Qt::AlignRight | Qt::AlignVCenter );
- setToolTip( qtr( "Toggle between elapsed and remaining time" ) );
-
-
- CONNECT( THEMIM->getIM(), cachingChanged( float ),
- this, setCaching( float ) );
- CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
- this, setDisplayPosition( float, int, int ) );
+ b_remainingTime = false;
+ setText( " --:--/--:-- " );
+ setAlignment( Qt::AlignRight | Qt::AlignVCenter );
+ setToolTip( QString( "- " )
+ + qtr( "Click to toggle between elapsed and remaining time" )
+ + QString( "\n- " )
+ + qtr( "Double click to jump to a chosen time position" ) );
+ bufTimer->setSingleShot( true );
+
+ CONNECT( THEMIM->getIM(), positionUpdated( float, int64_t, int ),
+ this, setDisplayPosition( float, int64_t, int ) );
+ CONNECT( THEMIM->getIM(), cachingChanged( float ),
+ this, updateBuffering( float ) );
+ CONNECT( bufTimer, timeout(), this, updateBuffering() );
}
-void TimeLabel::setDisplayPosition( float pos, int time, int length )
+void TimeLabel::setDisplayPosition( float pos, int64_t t, int length )
{
+ showBuffering = false;
+ bufTimer->stop();
+
if( pos == -1.f )
{
setText( " --:--/--:-- " );
return;
}
- char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
+ int time = t / 1000000;
+
secstotimestr( psz_length, length );
secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
: time );
- QString timestr;
- timestr.sprintf( "%s/%s", psz_time,
- ( !length && time ) ? "--:--" : psz_length );
+ QString timestr = QString( " %1%2/%3 " )
+ .arg( QString( (b_remainingTime && length) ? "-" : "" ) )
+ .arg( QString( psz_time ) )
+ .arg( QString( ( !length && time ) ? "--:--" : psz_length ) );
- /* Add a minus to remaining time*/
- if( b_remainingTime && length ) setText( " -"+timestr+" " );
- else setText( " "+timestr+" " );
+ setText( timestr );
+
+ cachedLength = length;
}
+void TimeLabel::setDisplayPosition( float pos )
+{
+ if( pos == -1.f || cachedLength == 0 )
+ {
+ setText( " --:--/--:-- " );
+ return;
+ }
+
+ int time = pos * cachedLength;
+ secstotimestr( psz_time,
+ ( b_remainingTime && cachedLength ?
+ cachedLength - time : time ) );
+ QString timestr = QString( " %1%2/%3 " )
+ .arg( QString( (b_remainingTime && cachedLength) ? "-" : "" ) )
+ .arg( QString( psz_time ) )
+ .arg( QString( ( !cachedLength && time ) ? "--:--" : psz_length ) );
+
+ setText( timestr );
+}
+
+
void TimeLabel::toggleTimeDisplay()
{
b_remainingTime = !b_remainingTime;
}
-void TimeLabel::setCaching( float f_cache )
+
+void TimeLabel::updateBuffering( float _buffered )
{
- QString amount;
- amount.setNum( (int)(100 * f_cache) );
- msg_Dbg( p_intf, "New caching: %d", (int)(100*f_cache));
- setText( "Buff: " + amount + "%" );
+ bufVal = _buffered;
+ if( !buffering || bufVal == 0 )
+ {
+ showBuffering = false;
+ buffering = true;
+ bufTimer->start(200);
+ }
+ else if( bufVal == 1 )
+ {
+ showBuffering = buffering = false;
+ bufTimer->stop();
+ }
+ update();
}
+void TimeLabel::updateBuffering()
+{
+ showBuffering = true;
+ update();
+}
+void TimeLabel::paintEvent( QPaintEvent* event )
+{
+ if( showBuffering )
+ {
+ QRect r( rect() );
+ r.setLeft( r.width() * bufVal );
+ QPainter p( this );
+ p.setOpacity( 0.4 );
+ p.fillRect( r, palette().color( QPalette::Highlight ) );
+ }
+ QLabel::paintEvent( event );
+}