interface_widgets.cpp 17.9 KB
Newer Older
1
/*****************************************************************************
2
 * interface_widgets.cpp : Custom widgets for the main interface
3
 ****************************************************************************
4
 * Copyright (C) 2006-2008 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 34 35

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

#include <vlc_vout.h>
36

Clément Stenac's avatar
Clément Stenac committed
37
#include <QLabel>
38
#include <QToolButton>
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
39 40
#include <QPalette>
#include <QResizeEvent>
41
#include <QDate>
42 43
#include <QMenu>
#include <QWidgetAction>
44
#include <QDesktopWidget>
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
45

46 47 48
#ifdef Q_WS_X11
# include <X11/Xlib.h>
# include <qx11info_x11.h>
49 50 51 52 53 54 55 56 57
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
58
#endif
59

60 61
#include <math.h>

62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77
class ReparentableWidget : public QWidget
{
private:
    VideoWidget *owner;
public:
    ReparentableWidget( VideoWidget *owner ) : owner( owner )
    {
    }

protected:
    void keyPressEvent( QKeyEvent *e )
    {
        emit owner->keyPressed( e );
    }
};

78 79 80 81
/**********************************************************************
 * Video Widget. A simple frame on which video is drawn
 * This class handles resize issues
 **********************************************************************/
82

83
VideoWidget::VideoWidget( intf_thread_t *_p_i ) : QFrame( NULL ), p_intf( _p_i )
84
{
85
    /* Init */
86
    reparentable = NULL;
87 88
    videoSize.rwidth() = -1;
    videoSize.rheight() = -1;
89 90 91 92

    hide();

    /* Set the policy to expand in both directions */
93
//    setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
94

95 96 97
    layout = new QHBoxLayout( this );
    layout->setContentsMargins( 0, 0, 0, 0 );
    setLayout( layout );
98 99 100 101
}

VideoWidget::~VideoWidget()
{
102
    /* Ensure we are not leaking the video output. This would crash. */
103
    assert( reparentable == NULL );
104 105
}

106
/**
107
 * Request the video to avoid the conflicts
108
 **/
109
WId VideoWidget::request( int *pi_x, int *pi_y,
110 111
                          unsigned int *pi_width, unsigned int *pi_height,
                          bool b_keep_size )
112
{
113
    msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
114

115 116 117 118 119
    if( reparentable != NULL )
    {
        msg_Dbg( p_intf, "embedded video already in use" );
        return NULL;
    }
120 121 122 123 124 125
    if( b_keep_size )
    {
        *pi_width  = size().width();
        *pi_height = size().height();
    }

126 127 128 129 130
    /* 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.
     */
131
    reparentable = new ReparentableWidget( this );
132 133 134 135 136 137 138 139 140 141 142
    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);
143 144 145
    /* Indicates that the widget wants to draw directly onto the screen.
       Widgets with this attribute set do not participate in composition
       management */
146 147 148 149 150 151 152
    stable->setAttribute( Qt::WA_PaintOnScreen, true );

    innerLayout->addWidget( stable );

    reparentable->setLayout( innerLayout );
    layout->addWidget( reparentable );

153 154 155 156 157 158 159 160 161 162 163
#ifdef Q_WS_X11
    /* HACK: Only one X11 client can subscribe to mouse click events.
     * VLC currently handles those in the video display.
     * Force Qt4 to unsubscribe from them. */
    Display *dpy = QX11Info::display();
    Window w = stable->winId();
    XWindowAttributes attr;

    XGetWindowAttributes( dpy, w, &attr );
    XSelectInput( dpy, w, attr.your_event_mask & ~ButtonPressMask );
#endif
164
    videoSync();
165
#ifndef NDEBUG
166 167
    msg_Dbg( p_intf, "embedded video ready (handle %p)",
             (void *)stable->winId() );
168
#endif
169
    return stable->winId();
170 171
}

172
/* Set the Widget to the correct Size */
173
/* Function has to be called by the parent
Rémi Denis-Courmont's avatar
typo  
Rémi Denis-Courmont committed
174
   Parent has to care about resizing itself */
175
void VideoWidget::SetSizing( unsigned int w, unsigned int h )
176
{
177 178 179
    msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
    videoSize.rwidth() = w;
    videoSize.rheight() = h;
180
    if( !isVisible() ) show();
181
    updateGeometry(); // Needed for deinterlace
182
    videoSync();
183 184
}

185 186 187 188
void VideoWidget::SetFullScreen( bool b_fs )
{
    const Qt::WindowStates curstate = reparentable->windowState();
    Qt::WindowStates newstate = curstate;
189
    Qt::WindowFlags  newflags = reparentable->windowFlags();
190

191

192
    if( b_fs )
193
    {
194
        newstate |= Qt::WindowFullScreen;
195 196
        newflags |= Qt::WindowStaysOnTopHint;
    }
197
    else
198
    {
199
        newstate &= ~Qt::WindowFullScreen;
200 201
        newflags &= ~Qt::WindowStaysOnTopHint;
    }
202 203 204 205 206
    if( newstate == curstate )
        return; /* no changes needed */

    if( b_fs )
    {   /* Go full-screen */
207 208 209 210
        int numscreen = QApplication::desktop()->screenNumber( p_intf->p_sys->p_mi );
        QRect screenres = QApplication::desktop()->screenGeometry( numscreen );

        reparentable->setWindowState( newstate );
211
        reparentable->setParent( NULL );
212
        reparentable->setWindowFlags( newflags );
213 214 215 216 217 218
        /* 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() ) );
        }
219 220 221 222
        reparentable->show();
    }
    else
    {   /* Go windowed */
223
        reparentable->setWindowFlags( newflags );
224
        layout->addWidget( reparentable );
225
        reparentable->setWindowState( newstate );
226
    }
227
    videoSync();
228 229
}

230
void VideoWidget::release( void )
231
{
Rémi Denis-Courmont's avatar
Typo  
Rémi Denis-Courmont committed
232
    msg_Dbg( p_intf, "Video is not needed anymore" );
233 234 235
    //layout->removeWidget( reparentable );
    delete reparentable;
    reparentable = NULL;
236 237
    videoSize.rwidth() = 0;
    videoSize.rheight() = 0;
238
    updateGeometry();
239
    hide();
240
}
241

242 243 244 245
QSize VideoWidget::sizeHint() const
{
    return videoSize;
}
246

247 248
/**********************************************************************
 * Background Widget. Show a simple image background. Currently,
249
 * it's album art if present or cone.
250
 **********************************************************************/
251 252
#define ICON_SIZE 128
#define MAX_BG_SIZE 400
253
#define MIN_BG_SIZE 128
254

255 256
BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
                 :QWidget( NULL ), p_intf( _p_i )
257
{
258
    /* We should use that one to take the more size it can */
259
    setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
260

261
    /* A dark background */
Clément Stenac's avatar
Clément Stenac committed
262
    setAutoFillBackground( true );
263
    plt = palette();
264 265 266 267
    plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
    plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
    setPalette( plt );

268
    /* A cone in the middle */
269
    label = new QLabel;
270
    label->setMargin( 5 );
271 272
    label->setMaximumHeight( MAX_BG_SIZE );
    label->setMaximumWidth( MAX_BG_SIZE );
273 274
    label->setMinimumHeight( MIN_BG_SIZE );
    label->setMinimumWidth( MIN_BG_SIZE );
275
    label->setAlignment( Qt::AlignCenter );
276
    if( QDate::currentDate().dayOfYear() >= 354 )
277
        label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
278
    else
279
        label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
280

281 282 283 284
    QGridLayout *backgroundLayout = new QGridLayout( this );
    backgroundLayout->addWidget( label, 0, 1 );
    backgroundLayout->setColumnStretch( 0, 1 );
    backgroundLayout->setColumnStretch( 2, 1 );
285

286
    CONNECT( THEMIM->getIM(), artChanged( QString ),
287
             this, updateArt( const QString& ) );
288 289
}

Clément Stenac's avatar
Clément Stenac committed
290
BackgroundWidget::~BackgroundWidget()
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
291
{}
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
292

293 294 295 296 297 298 299 300
void BackgroundWidget::resizeEvent( QResizeEvent * event )
{
    if( event->size().height() <= MIN_BG_SIZE )
        label->hide();
    else
        label->show();
}

301
void BackgroundWidget::updateArt( const QString& url )
302
{
303
    if( url.isEmpty() )
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
304
    {
305
        if( QDate::currentDate().dayOfYear() >= 354 )
306
            label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
307
        else
308
            label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
309
    }
310
    else
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
311
    {
312 313 314 315 316 317 318 319 320
        QPixmap pixmap( url );
        if( pixmap.width() > label->maximumWidth() ||
            pixmap.height() > label->maximumHeight() )
        {
            pixmap = pixmap.scaled( label->maximumWidth(),
                          label->maximumHeight(), Qt::KeepAspectRatio );
        }

        label->setPixmap( pixmap );
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
321
    }
322 323
}

324 325 326
void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
{
    QVLCMenu::PopupMenu( p_intf, true );
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
327
    event->accept();
328
}
329

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
330
#if 0
331 332 333
#include <QPushButton>
#include <QHBoxLayout>

Clément Stenac's avatar
Clément Stenac committed
334 335 336 337
/**********************************************************************
 * Visualization selector panel
 **********************************************************************/
VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
338
                                QFrame( NULL ), p_intf( _p_i )
Clément Stenac's avatar
Clément Stenac committed
339 340
{
    QHBoxLayout *layout = new QHBoxLayout( this );
341
    layout->setMargin( 0 );
Clément Stenac's avatar
Clément Stenac committed
342
    QPushButton *prevButton = new QPushButton( "Prev" );
343
    QPushButton *nextButton = new QPushButton( "Next" );
Clément Stenac's avatar
Clément Stenac committed
344 345
    layout->addWidget( prevButton );
    layout->addWidget( nextButton );
Clément Stenac's avatar
Clément Stenac committed
346

347
    layout->addStretch( 10 );
348
    layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
Clément Stenac's avatar
Clément Stenac committed
349 350 351 352 353 354 355

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

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

Clément Stenac's avatar
Clément Stenac committed
356
    setLayout( layout );
357
    setMaximumHeight( 35 );
Clément Stenac's avatar
Clément Stenac committed
358 359 360
}

VisualSelector::~VisualSelector()
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
361
{}
Clément Stenac's avatar
Clément Stenac committed
362

Clément Stenac's avatar
Clément Stenac committed
363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381
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
382
#endif
Clément Stenac's avatar
Clément Stenac committed
383

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
384 385 386
SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString& text,
                        QWidget *parent )
           : QLabel( text, parent ), p_intf( _p_intf )
387
{
388
    setToolTip( qtr( "Current playback speed.\nClick to adjust" ) );
389 390

    /* Create the Speed Control Widget */
391
    speedControl = new SpeedControlWidget( p_intf, this );
392 393 394 395 396 397 398 399 400
    speedControlMenu = new QMenu( this );

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

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

401
    CONNECT( THEMIM, inputChanged( input_thread_t * ),
402
             speedControl, activateOnState() );
403

404
}
405 406 407 408 409
SpeedLabel::~SpeedLabel()
{
        delete speedControl;
        delete speedControlMenu;
}
410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428
/****************************************************************************
 * 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 )
{
    QString str;
    str.setNum( ( 1000 / (double)rate ), 'f', 2 );
    str.append( "x" );
    setText( str );
    setToolTip( str );
    speedControl->updateControls( rate );
}

429 430 431
/**********************************************************************
 * Speed control widget
 **********************************************************************/
432 433
SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
                    : QFrame( _parent ), p_intf( _p_i )
434
{
435
    QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
436 437
    sizePolicy.setHorizontalStretch( 0 );
    sizePolicy.setVerticalStretch( 0 );
438

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
439
    speedSlider = new QSlider( this );
440 441 442 443 444
    speedSlider->setSizePolicy( sizePolicy );
    speedSlider->setMaximumSize( QSize( 80, 200 ) );
    speedSlider->setOrientation( Qt::Vertical );
    speedSlider->setTickPosition( QSlider::TicksRight );

445
    speedSlider->setRange( -34, 34 );
446 447
    speedSlider->setSingleStep( 1 );
    speedSlider->setPageStep( 1 );
448
    speedSlider->setTickInterval( 17 );
449

450
    CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
451

452
    QToolButton *normalSpeedButton = new QToolButton( this );
453
    normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
454
    normalSpeedButton->setAutoRaise( true );
455
    normalSpeedButton->setText( "1x" );
456
    normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
457

458
    CONNECT( normalSpeedButton, clicked(), this, resetRate() );
459

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
460
    QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
461 462
    speedControlLayout->setLayoutMargins( 4, 4, 4, 4, 4 );
    speedControlLayout->setSpacing( 4 );
463 464
    speedControlLayout->addWidget( speedSlider );
    speedControlLayout->addWidget( normalSpeedButton );
465

466 467
    activateOnState();
}
468

469
void SpeedControlWidget::activateOnState()
470
{
471
    speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
472 473
}

474 475
void SpeedControlWidget::updateControls( int rate )
{
476 477 478 479 480
    if( speedSlider->isSliderDown() )
    {
        //We don't want to change anything if the user is using the slider
        return;
    }
481

482
    double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
483
    int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
484

485
    if( sliderValue < speedSlider->minimum() )
486
    {
487
        sliderValue = speedSlider->minimum();
488
    }
489
    else if( sliderValue > speedSlider->maximum() )
490
    {
491
        sliderValue = speedSlider->maximum();
492
    }
493

494 495 496 497
    //Block signals to avoid feedback loop
    speedSlider->blockSignals( true );
    speedSlider->setValue( sliderValue );
    speedSlider->blockSignals( false );
498 499 500 501
}

void SpeedControlWidget::updateRate( int sliderValue )
{
502
    double speed = pow( 2, (double)sliderValue / 17 );
503
    int rate = INPUT_RATE_DEFAULT / speed;
504

505
    THEMIM->getIM()->setRate(rate);
506 507 508 509
}

void SpeedControlWidget::resetRate()
{
510
    THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
511
}
512

513
CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
514
              : QLabel( parent ), p_intf( _p_i )
515 516
{
    setContextMenuPolicy( Qt::ActionsContextMenu );
517
    CONNECT( this, updateRequested(), this, askForUpdate() );
518 519 520 521 522

    setMinimumHeight( 128 );
    setMinimumWidth( 128 );
    setMaximumHeight( 128 );
    setMaximumWidth( 128 );
523 524
    setScaledContents( false );
    setAlignment( Qt::AlignCenter );
525

526 527
    QList< QAction* > artActions = actions();
    QAction *action = new QAction( qtr( "Download cover art" ), this );
528
    CONNECT( action, triggered(), this, askForUpdate() );
529
    addAction( action );
530

531
    showArtUpdate( "" );
532 533
}

534 535 536 537 538 539 540
CoverArtLabel::~CoverArtLabel()
{
    QList< QAction* > artActions = actions();
    foreach( QAction *act, artActions )
        removeAction( act );
}

541
void CoverArtLabel::showArtUpdate( const QString& url )
542
{
543 544
    QPixmap pix;
    if( !url.isEmpty()  && pix.load( url ) )
545
    {
546 547
        pix = pix.scaled( maximumWidth(), maximumHeight(),
                          Qt::KeepAspectRatioByExpanding );
548 549 550
    }
    else
    {
551
        pix = QPixmap( ":/noart.png" );
552
    }
553
    setPixmap( pix );
554 555
}

556
void CoverArtLabel::askForUpdate()
557
{
558
    THEMIM->getIM()->requestArtUpdate();
559 560
}

561 562 563 564 565 566 567 568
TimeLabel::TimeLabel( intf_thread_t *_p_intf  ) :QLabel(), p_intf( _p_intf )
{
   b_remainingTime = false;
   setText( " --:--/--:-- " );
   setAlignment( Qt::AlignRight | Qt::AlignVCenter );
   setToolTip( qtr( "Toggle between elapsed and remaining time" ) );


569 570
   CONNECT( THEMIM->getIM(), cachingChanged( float ),
            this, setCaching( float ) );
571 572 573 574 575 576
   CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
             this, setDisplayPosition( float, int, int ) );
}

void TimeLabel::setDisplayPosition( float pos, int time, int length )
{
577
    if( pos == -1.f )
578 579 580 581
    {
        setText( " --:--/--:-- " );
        return;
    }
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
582

583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600
    char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
    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 );

    /* Add a minus to remaining time*/
    if( b_remainingTime && length ) setText( " -"+timestr+" " );
    else setText( " "+timestr+" " );
}

void TimeLabel::toggleTimeDisplay()
{
    b_remainingTime = !b_remainingTime;
}
601

602 603
void TimeLabel::setCaching( float f_cache )
{
604 605 606
    QString amount;
    amount.setNum( (int)(100 * f_cache) );
    msg_Dbg( p_intf, "New caching: %d", (int)(100*f_cache));
607
    setText( "Buff: " + amount + "%" );
608 609
}

610