interface_widgets.cpp 20.5 KB
Newer Older
1
/*****************************************************************************
2
 * interface_widgets.cpp : Custom widgets for the main interface
3
 ****************************************************************************
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
4
 * Copyright (C) 2006-2010 the VideoLAN team
5
 * $Id$
6 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>
11 12 13 14
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
15
 * ( at your option ) any later version.
16 17 18 19 20 21 22 23 24 25
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/
26

27 28 29
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
30

31
#include "components/interface_widgets.hpp"
32 33
#include "dialogs_provider.hpp"
#include "util/customwidgets.hpp"               // qtEventToVLCKey, QVLCStackedWidget
34 35 36 37

#include "menus.hpp"             /* Popup menu on bgWidget */

#include <vlc_vout.h>
38

Clément Stenac's avatar
Clément Stenac committed
39
#include <QLabel>
40
#include <QToolButton>
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
41
#include <QPalette>
42
#include <QEvent>
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
43
#include <QResizeEvent>
44
#include <QDate>
45 46
#include <QMenu>
#include <QWidgetAction>
47
#include <QDesktopWidget>
48
#include <QPainter>
49
#include <QTimer>
50
#include <QSlider>
François Cartegnie's avatar
François Cartegnie committed
51
#include <QBitmap>
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
52

53 54 55
#ifdef Q_WS_X11
# include <X11/Xlib.h>
# include <qx11info_x11.h>
56 57 58 59 60 61 62 63 64
static void videoSync( void )
{
    /* 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 );
}
#else
# define videoSync() (void)0
65
#endif
66

67
#include <math.h>
68
#include <assert.h>
69

70 71 72 73 74 75
class ReparentableWidget : public QWidget
{
private:
    VideoWidget *owner;
public:
    ReparentableWidget( VideoWidget *owner ) : owner( owner )
76
    {}
77 78
};

79 80 81 82
/**********************************************************************
 * Video Widget. A simple frame on which video is drawn
 * This class handles resize issues
 **********************************************************************/
83

84 85 86 87
VideoWidget::VideoWidget( intf_thread_t *_p_i )
    : QFrame( NULL )
      , p_intf( _p_i )
      , reparentable( NULL )
88
{
89
    /* Set the policy to expand in both directions */
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
90
    // setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
91

92 93 94
    layout = new QHBoxLayout( this );
    layout->setContentsMargins( 0, 0, 0, 0 );
    setLayout( layout );
95 96 97 98
}

VideoWidget::~VideoWidget()
{
99
    /* Ensure we are not leaking the video output. This would crash. */
100
    assert( reparentable == NULL );
101 102
}

103
/**
104
 * Request the video to avoid the conflicts
105
 **/
106
WId VideoWidget::request( int *pi_x, int *pi_y,
107 108
                          unsigned int *pi_width, unsigned int *pi_height,
                          bool b_keep_size )
109
{
110
    msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
111

112 113 114 115 116
    if( reparentable != NULL )
    {
        msg_Dbg( p_intf, "embedded video already in use" );
        return NULL;
    }
117 118 119 120 121 122
    if( b_keep_size )
    {
        *pi_width  = size().width();
        *pi_height = size().height();
    }

123 124 125 126 127
    /* The Qt4 UI needs a fixed a widget ("this"), so that the parent layout is
     * not messed up when we the video is reparented. Hence, we create an extra
     * reparentable widget, that will be within the VideoWidget in windowed
     * mode, and within the root window (NULL parent) in full-screen mode.
     */
128
    reparentable = new ReparentableWidget( this );
129
    reparentable->installEventFilter(this );
130 131 132 133 134 135 136 137 138 139 140
    QLayout *innerLayout = new QHBoxLayout( reparentable );
    innerLayout->setContentsMargins( 0, 0, 0, 0 );

    /* 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. */
    QWidget *stable = new QWidget();
    QPalette plt = palette();
    plt.setColor( QPalette::Window, Qt::black );
    stable->setPalette( plt );
    stable->setAutoFillBackground(true);
141 142 143
    /* Indicates that the widget wants to draw directly onto the screen.
       Widgets with this attribute set do not participate in composition
       management */
144 145 146 147 148 149
    stable->setAttribute( Qt::WA_PaintOnScreen, true );

    innerLayout->addWidget( stable );

    layout->addWidget( reparentable );

150
#ifdef Q_WS_X11
151
    /* HACK: Only one X11 client can subscribe to mouse button press events.
152
     * VLC currently handles those in the video display.
153
     * Force Qt4 to unsubscribe from mouse press and release events. */
154 155 156 157 158
    Display *dpy = QX11Info::display();
    Window w = stable->winId();
    XWindowAttributes attr;

    XGetWindowAttributes( dpy, w, &attr );
159 160
    attr.your_event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
    XSelectInput( dpy, w, attr.your_event_mask );
161
#endif
162
    videoSync();
163
#ifndef NDEBUG
164 165
    msg_Dbg( p_intf, "embedded video ready (handle %p)",
             (void *)stable->winId() );
166
#endif
167
    return stable->winId();
168 169
}

170
/* Set the Widget to the correct Size */
171
/* Function has to be called by the parent
Rémi Denis-Courmont's avatar
typo  
Rémi Denis-Courmont committed
172
   Parent has to care about resizing itself */
173
void VideoWidget::SetSizing( unsigned int w, unsigned int h )
174
{
175 176
    if (reparentable->windowState() & Qt::WindowFullScreen )
        return;
177
    if( !isVisible() ) show();
178 179
    resize( w, h );
    emit sizeChanged( w, h );
180
    videoSync();
181 182
}

183 184 185 186
void VideoWidget::SetFullScreen( bool b_fs )
{
    const Qt::WindowStates curstate = reparentable->windowState();
    Qt::WindowStates newstate = curstate;
187
    Qt::WindowFlags  newflags = reparentable->windowFlags();
188

189

190
    if( b_fs )
191
    {
192
        newstate |= Qt::WindowFullScreen;
193 194
        newflags |= Qt::WindowStaysOnTopHint;
    }
195
    else
196
    {
197
        newstate &= ~Qt::WindowFullScreen;
198 199
        newflags &= ~Qt::WindowStaysOnTopHint;
    }
200 201 202 203 204
    if( newstate == curstate )
        return; /* no changes needed */

    if( b_fs )
    {   /* Go full-screen */
Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
205
        int numscreen = var_InheritInteger( p_intf, "qt-fullscreen-screennumber" );
206 207 208 209 210 211 212
        /* if user hasn't defined screennumber, or screennumber that is bigger
         * than current number of screens, take screennumber where current interface
         * is
         */
        if( numscreen == -1 || numscreen > QApplication::desktop()->numScreens() )
            numscreen = QApplication::desktop()->screenNumber( p_intf->p_sys->p_mi );

213 214 215 216 217 218 219 220
        QRect screenres = QApplication::desktop()->screenGeometry( numscreen );

        /* To be sure window is on proper-screen in xinerama */
        if( !screenres.contains( reparentable->pos() ) )
        {
            msg_Dbg( p_intf, "Moving video to correct screen");
            reparentable->move( QPoint( screenres.x(), screenres.y() ) );
        }
221 222
        reparentable->setParent( NULL, newflags );
        reparentable->setWindowState( newstate );
223 224 225 226
        reparentable->show();
    }
    else
    {   /* Go windowed */
227
        reparentable->setWindowFlags( newflags );
228
        reparentable->setWindowState( newstate );
229
        layout->addWidget( reparentable );
230
    }
231
    videoSync();
232 233
}

234
void VideoWidget::release( void )
235
{
Rémi Denis-Courmont's avatar
Typo  
Rémi Denis-Courmont committed
236
    msg_Dbg( p_intf, "Video is not needed anymore" );
237
    //layout->removeWidget( reparentable );
238

239
    reparentable->deleteLater();
240
    reparentable = NULL;
241
    updateGeometry();
242
    hide();
243
}
244

245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263
#undef KeyPress
bool VideoWidget::eventFilter(QObject *obj, QEvent *event)
{
    if( obj == reparentable )
    {
        if (event->type() == QEvent::Close)
        {
            THEDP->quit();
            return true;
        }
        else if( event->type() == QEvent::KeyPress )
        {
            emit keyPressed( static_cast<QKeyEvent *>(event) );
            return true;
        }
    }
    return false;
}

264 265
/**********************************************************************
 * Background Widget. Show a simple image background. Currently,
266
 * it's album art if present or cone.
267
 **********************************************************************/
268

269
BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
François Cartegnie's avatar
François Cartegnie committed
270
                 :QWidget( NULL ), p_intf( _p_i ), b_expandPixmap( false )
271
{
272
    /* A dark background */
Clément Stenac's avatar
Clément Stenac committed
273
    setAutoFillBackground( true );
274
    QPalette plt = palette();
275 276 277 278
    plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
    plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
    setPalette( plt );

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
279 280 281
    /* Init the cone art */
    updateArt( "" );

282
    CONNECT( THEMIM->getIM(), artChanged( QString ),
283
             this, updateArt( const QString& ) );
284 285
}

286
void BackgroundWidget::updateArt( const QString& url )
287
{
François Cartegnie's avatar
François Cartegnie committed
288
    if ( !url.isEmpty() )
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
289
    {
François Cartegnie's avatar
François Cartegnie committed
290 291 292 293
        pixmapUrl = url;
    }
    else
    {   /* Xmas joke */
294
        if( QDate::currentDate().dayOfYear() >= 354 )
François Cartegnie's avatar
François Cartegnie committed
295
            pixmapUrl = QString( ":/logo/vlc128-christmas.png" );
296
        else
François Cartegnie's avatar
François Cartegnie committed
297
            pixmapUrl = QString( ":/logo/vlc128.png" );
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
298
    }
299
    update();
François Cartegnie's avatar
François Cartegnie committed
300 301 302 303 304 305 306 307 308 309 310 311 312 313
}

void BackgroundWidget::paintEvent( QPaintEvent *e )
{
    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 )
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
314
    {
François Cartegnie's avatar
François Cartegnie committed
315 316 317 318 319 320 321 322 323
        /* 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() )
324
        {
François Cartegnie's avatar
François Cartegnie committed
325 326 327 328 329 330 331 332 333 334 335 336 337 338
            /* 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 );
339 340
        }

François Cartegnie's avatar
François Cartegnie committed
341 342 343 344
        painter.drawPixmap(
                MARGIN + ( i_maxwidth - pixmap.width() ) /2,
                MARGIN + ( i_maxheight - pixmap.height() ) /2,
                pixmap);
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
345
    }
François Cartegnie's avatar
François Cartegnie committed
346
    QWidget::paintEvent( e );
347 348
}

349 350
void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
{
Erwan Tulou's avatar
Erwan Tulou committed
351
    QVLCMenu::PopupMenu( p_intf, true );
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
352
    event->accept();
353
}
354

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
355
#if 0
356 357 358
#include <QPushButton>
#include <QHBoxLayout>

Clément Stenac's avatar
Clément Stenac committed
359 360 361 362
/**********************************************************************
 * Visualization selector panel
 **********************************************************************/
VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
363
                                QFrame( NULL ), p_intf( _p_i )
Clément Stenac's avatar
Clément Stenac committed
364 365
{
    QHBoxLayout *layout = new QHBoxLayout( this );
366
    layout->setMargin( 0 );
Clément Stenac's avatar
Clément Stenac committed
367
    QPushButton *prevButton = new QPushButton( "Prev" );
368
    QPushButton *nextButton = new QPushButton( "Next" );
Clément Stenac's avatar
Clément Stenac committed
369 370
    layout->addWidget( prevButton );
    layout->addWidget( nextButton );
Clément Stenac's avatar
Clément Stenac committed
371

372
    layout->addStretch( 10 );
373
    layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
Clément Stenac's avatar
Clément Stenac committed
374 375 376 377 378 379 380

    current = new QLabel( qtr( "None" ) );
    layout->addWidget( current );

    BUTTONACT( prevButton, prev() );
    BUTTONACT( nextButton, next() );

Clément Stenac's avatar
Clément Stenac committed
381
    setLayout( layout );
382
    setMaximumHeight( 35 );
Clément Stenac's avatar
Clément Stenac committed
383 384 385
}

VisualSelector::~VisualSelector()
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
386
{}
Clément Stenac's avatar
Clément Stenac committed
387

Clément Stenac's avatar
Clément Stenac committed
388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406
void VisualSelector::prev()
{
    char *psz_new = aout_VisualPrev( p_intf );
    if( psz_new )
    {
        current->setText( qfu( psz_new ) );
        free( psz_new );
    }
}

void VisualSelector::next()
{
    char *psz_new = aout_VisualNext( p_intf );
    if( psz_new )
    {
        current->setText( qfu( psz_new ) );
        free( psz_new );
    }
}
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
407
#endif
Clément Stenac's avatar
Clément Stenac committed
408

409 410
SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, QWidget *parent )
           : QLabel( parent ), p_intf( _p_intf )
411
{
412
    tooltipStringPattern = qtr( "Current playback speed: %1\nClick to adjust" );
413 414

    /* Create the Speed Control Widget */
415
    speedControl = new SpeedControlWidget( p_intf, this );
416 417 418 419 420 421 422
    speedControlMenu = new QMenu( this );

    QWidgetAction *widgetAction = new QWidgetAction( speedControl );
    widgetAction->setDefaultWidget( speedControl );
    speedControlMenu->addAction( widgetAction );

    /* Change the SpeedRate in the Status Bar */
423
    CONNECT( THEMIM->getIM(), rateChanged( float ), this, setRate( float ) );
424

425 426
    DCONNECT( THEMIM, inputChanged( input_thread_t * ),
              speedControl, activateOnState() );
427
    setRate( var_InheritFloat( p_intf, "rate" ) );
428
}
429

430 431
SpeedLabel::~SpeedLabel()
{
432 433
    delete speedControl;
    delete speedControlMenu;
434
}
435

436 437 438
/****************************************************************************
 * Small right-click menu for rate control
 ****************************************************************************/
439

440 441 442 443 444 445
void SpeedLabel::showSpeedMenu( QPoint pos )
{
    speedControlMenu->exec( QCursor::pos() - pos
                          + QPoint( 0, height() ) );
}

446
void SpeedLabel::setRate( float rate )
447 448
{
    QString str;
449
    str.setNum( rate, 'f', 2 );
450 451
    str.append( "x" );
    setText( str );
452
    setToolTip( tooltipStringPattern.arg( str ) );
453 454 455
    speedControl->updateControls( rate );
}

456 457 458
/**********************************************************************
 * Speed control widget
 **********************************************************************/
459 460
SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
                    : QFrame( _parent ), p_intf( _p_i )
461
{
462
    QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
463 464
    sizePolicy.setHorizontalStretch( 0 );
    sizePolicy.setVerticalStretch( 0 );
465

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
466
    speedSlider = new QSlider( this );
467 468 469 470 471
    speedSlider->setSizePolicy( sizePolicy );
    speedSlider->setMaximumSize( QSize( 80, 200 ) );
    speedSlider->setOrientation( Qt::Vertical );
    speedSlider->setTickPosition( QSlider::TicksRight );

472
    speedSlider->setRange( -34, 34 );
473 474
    speedSlider->setSingleStep( 1 );
    speedSlider->setPageStep( 1 );
475
    speedSlider->setTickInterval( 17 );
476

477
    CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
478

479
    QToolButton *normalSpeedButton = new QToolButton( this );
480
    normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
481
    normalSpeedButton->setAutoRaise( true );
482
    normalSpeedButton->setText( "1x" );
483
    normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
484

485
    CONNECT( normalSpeedButton, clicked(), this, resetRate() );
486

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
487
    QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
488
    speedControlLayout->setContentsMargins( 4, 4, 4, 4 );
489
    speedControlLayout->setSpacing( 4 );
490 491
    speedControlLayout->addWidget( speedSlider );
    speedControlLayout->addWidget( normalSpeedButton );
492

493 494
    lastValue = 0;

495 496
    activateOnState();
}
497

498
void SpeedControlWidget::activateOnState()
499
{
500
    speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
501 502
}

503
void SpeedControlWidget::updateControls( float rate )
504
{
505 506 507 508 509
    if( speedSlider->isSliderDown() )
    {
        //We don't want to change anything if the user is using the slider
        return;
    }
510

511
    double value = 17 * log( rate ) / log( 2 );
512
    int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
513

514
    if( sliderValue < speedSlider->minimum() )
515
    {
516
        sliderValue = speedSlider->minimum();
517
    }
518
    else if( sliderValue > speedSlider->maximum() )
519
    {
520
        sliderValue = speedSlider->maximum();
521
    }
522
    lastValue = sliderValue;
523

524
    speedSlider->setValue( sliderValue );
525 526 527 528
}

void SpeedControlWidget::updateRate( int sliderValue )
{
529 530 531
    if( sliderValue == lastValue )
        return;

532
    double speed = pow( 2, (double)sliderValue / 17 );
533
    int rate = INPUT_RATE_DEFAULT / speed;
534

535
    THEMIM->getIM()->setRate(rate);
536 537 538 539
}

void SpeedControlWidget::resetRate()
{
540
    THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
541
}
542

543
CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
544
              : QLabel( parent ), p_intf( _p_i )
545 546
{
    setContextMenuPolicy( Qt::ActionsContextMenu );
547
    CONNECT( this, updateRequested(), this, askForUpdate() );
548

549
    setMinimumHeight( 128 );
550 551
    setMinimumWidth( 128 );
    setMaximumHeight( 128 );
552
    setMaximumWidth( 128 );
553 554
    setScaledContents( false );
    setAlignment( Qt::AlignCenter );
555

556 557
    QList< QAction* > artActions = actions();
    QAction *action = new QAction( qtr( "Download cover art" ), this );
558
    CONNECT( action, triggered(), this, askForUpdate() );
559
    addAction( action );
560

561
    showArtUpdate( "" );
562 563
}

564 565 566 567 568 569 570
CoverArtLabel::~CoverArtLabel()
{
    QList< QAction* > artActions = actions();
    foreach( QAction *act, artActions )
        removeAction( act );
}

571
void CoverArtLabel::showArtUpdate( const QString& url )
572
{
573
    QPixmap pix;
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
574
    if( !url.isEmpty() && pix.load( url ) )
575
    {
576 577
        pix = pix.scaled( maximumWidth(), maximumHeight(),
                          Qt::KeepAspectRatioByExpanding );
578 579 580
    }
    else
    {
581
        pix = QPixmap( ":/noart.png" );
582
    }
583
    setPixmap( pix );
584 585
}

586
void CoverArtLabel::askForUpdate()
587
{
588
    THEMIM->getIM()->requestArtUpdate();
589 590
}

591 592 593
TimeLabel::TimeLabel( intf_thread_t *_p_intf  )
    : QLabel(), p_intf( _p_intf ), bufTimer( new QTimer(this) ),
      buffering( false ), showBuffering(false), bufVal( -1 )
594
{
595 596 597
    b_remainingTime = false;
    setText( " --:--/--:-- " );
    setAlignment( Qt::AlignRight | Qt::AlignVCenter );
598 599 600 601
    setToolTip( QString( "- " )
        + qtr( "Click to toggle between elapsed and remaining time" )
        + QString( "\n- " )
        + qtr( "Double click to jump to a chosen time position" ) );
602
    bufTimer->setSingleShot( true );
603

604 605 606 607 608
    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() );
609 610
}

611
void TimeLabel::setDisplayPosition( float pos, int64_t t, int length )
612
{
613 614 615
    showBuffering = false;
    bufTimer->stop();

616
    if( pos == -1.f )
617 618 619 620
    {
        setText( " --:--/--:-- " );
        return;
    }
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
621

622
    int time = t / 1000000;
623

624 625 626 627
    secstotimestr( psz_length, length );
    secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
                                                           : time );

628 629 630 631
    QString timestr = QString( " %1%2/%3 " )
            .arg( QString( (b_remainingTime && length) ? "-" : "" ) )
            .arg( QString( psz_time ) )
            .arg( QString( ( !length && time ) ? "--:--" : psz_length ) );
632

JP Dinger's avatar
JP Dinger committed
633
    setText( timestr );
634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649

    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 ) );
650 651 652 653
    QString timestr = QString( " %1%2/%3 " )
        .arg( QString( (b_remainingTime && cachedLength) ? "-" : "" ) )
        .arg( QString( psz_time ) )
        .arg( QString( ( !cachedLength && time ) ? "--:--" : psz_length ) );
654 655

    setText( timestr );
656 657
}

658

659 660 661 662
void TimeLabel::toggleTimeDisplay()
{
    b_remainingTime = !b_remainingTime;
}
663 664


665
void TimeLabel::updateBuffering( float _buffered )
666
{
667 668 669 670 671 672 673 674 675 676
    bufVal = _buffered;
    if( !buffering || bufVal == 0 )
    {
        showBuffering = false;
        buffering = true;
        bufTimer->start(200);
    }
    else if( bufVal == 1 )
    {
        showBuffering = buffering = false;
677
        bufTimer->stop();
678 679
    }
    update();
680
}
681

682
void TimeLabel::updateBuffering()
683
{
684 685
    showBuffering = true;
    update();
686 687
}

688
void TimeLabel::paintEvent( QPaintEvent* event )
689
{
690 691 692 693 694 695 696 697
    if( showBuffering )
    {
        QRect r( rect() );
        r.setLeft( r.width() * bufVal );
        QPainter p( this );
        p.setOpacity( 0.4 );
        p.fillRect( r, palette().color( QPalette::Highlight ) );
    }
698 699
    QLabel::paintEvent( event );
}