interface_widgets.cpp 18.4 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
#ifdef Q_WS_X11
154
    /* HACK: Only one X11 client can subscribe to mouse button press events.
155
     * VLC currently handles those in the video display.
156
     * Force Qt4 to unsubscribe from mouse press and release events. */
157 158 159 160 161
    Display *dpy = QX11Info::display();
    Window w = stable->winId();
    XWindowAttributes attr;

    XGetWindowAttributes( dpy, w, &attr );
162 163
    attr.your_event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
    XSelectInput( dpy, w, attr.your_event_mask );
164
#endif
165
    videoSync();
166
#ifndef NDEBUG
167 168
    msg_Dbg( p_intf, "embedded video ready (handle %p)",
             (void *)stable->winId() );
169
#endif
170
    return stable->winId();
171 172
}

173
/* Set the Widget to the correct Size */
174
/* Function has to be called by the parent
Rémi Denis-Courmont's avatar
typo  
Rémi Denis-Courmont committed
175
   Parent has to care about resizing itself */
176
void VideoWidget::SetSizing( unsigned int w, unsigned int h )
177
{
178 179
    if (reparentable->windowState() & Qt::WindowFullScreen )
        return;
180 181 182
    msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
    videoSize.rwidth() = w;
    videoSize.rheight() = h;
183
    if( !isVisible() ) show();
184
    updateGeometry(); // Needed for deinterlace
185
    videoSync();
186 187
}

188 189 190 191
void VideoWidget::SetFullScreen( bool b_fs )
{
    const Qt::WindowStates curstate = reparentable->windowState();
    Qt::WindowStates newstate = curstate;
192
    Qt::WindowFlags  newflags = reparentable->windowFlags();
193

194

195
    if( b_fs )
196
    {
197
        newstate |= Qt::WindowFullScreen;
198 199
        newflags |= Qt::WindowStaysOnTopHint;
    }
200
    else
201
    {
202
        newstate &= ~Qt::WindowFullScreen;
203 204
        newflags &= ~Qt::WindowStaysOnTopHint;
    }
205 206 207 208 209
    if( newstate == curstate )
        return; /* no changes needed */

    if( b_fs )
    {   /* Go full-screen */
210 211 212 213 214 215 216 217
        int numscreen =  config_GetInt( p_intf, "qt-fullscreen-screennumber" );
        /* 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 );

218 219
        QRect screenres = QApplication::desktop()->screenGeometry( numscreen );

220
        reparentable->setParent( NULL );
221
        reparentable->setWindowState( newstate );
222
        reparentable->setWindowFlags( newflags );
223 224 225 226 227 228
        /* 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() ) );
        }
229 230 231 232
        reparentable->show();
    }
    else
    {   /* Go windowed */
233
        reparentable->setWindowFlags( newflags );
234
        reparentable->setWindowState( newstate );
235
        layout->addWidget( reparentable );
236
    }
237
    videoSync();
238 239
}

240
void VideoWidget::release( void )
241
{
Rémi Denis-Courmont's avatar
Typo  
Rémi Denis-Courmont committed
242
    msg_Dbg( p_intf, "Video is not needed anymore" );
243 244 245
    //layout->removeWidget( reparentable );
    delete reparentable;
    reparentable = NULL;
246 247
    videoSize.rwidth() = 0;
    videoSize.rheight() = 0;
248
    updateGeometry();
249
    hide();
250
}
251

252

253 254 255 256
QSize VideoWidget::sizeHint() const
{
    return videoSize;
}
257

258 259
/**********************************************************************
 * Background Widget. Show a simple image background. Currently,
260
 * it's album art if present or cone.
261
 **********************************************************************/
262 263
#define ICON_SIZE 128
#define MAX_BG_SIZE 400
264
#define MIN_BG_SIZE 128
265

266 267
BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
                 :QWidget( NULL ), p_intf( _p_i )
268
{
269
    /* We should use that one to take the more size it can */
270
    setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
271

272
    /* A dark background */
Clément Stenac's avatar
Clément Stenac committed
273
    setAutoFillBackground( true );
274
    plt = palette();
275 276 277 278
    plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
    plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
    setPalette( plt );

279
    /* A cone in the middle */
280
    label = new QLabel;
281
    label->setMargin( 5 );
282 283
    label->setMaximumHeight( MAX_BG_SIZE );
    label->setMaximumWidth( MAX_BG_SIZE );
284 285
    label->setMinimumHeight( MIN_BG_SIZE );
    label->setMinimumWidth( MIN_BG_SIZE );
286
    label->setAlignment( Qt::AlignCenter );
287
    if( QDate::currentDate().dayOfYear() >= 354 )
288
        label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
289
    else
290
        label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
291

292 293 294 295
    QGridLayout *backgroundLayout = new QGridLayout( this );
    backgroundLayout->addWidget( label, 0, 1 );
    backgroundLayout->setColumnStretch( 0, 1 );
    backgroundLayout->setColumnStretch( 2, 1 );
296

297
    CONNECT( THEMIM->getIM(), artChanged( QString ),
298
             this, updateArt( const QString& ) );
299 300
}

Clément Stenac's avatar
Clément Stenac committed
301
BackgroundWidget::~BackgroundWidget()
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
302
{}
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
303

304 305 306 307 308 309 310 311
void BackgroundWidget::resizeEvent( QResizeEvent * event )
{
    if( event->size().height() <= MIN_BG_SIZE )
        label->hide();
    else
        label->show();
}

312
void BackgroundWidget::updateArt( const QString& url )
313
{
314
    if( url.isEmpty() )
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
315
    {
316
        if( QDate::currentDate().dayOfYear() >= 354 )
317
            label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
318
        else
319
            label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
320
    }
321
    else
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
322
    {
323 324 325 326 327 328 329 330 331
        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
332
    }
333 334
}

335 336 337
void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
{
    QVLCMenu::PopupMenu( p_intf, true );
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
338
    event->accept();
339
}
340

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
341
#if 0
342 343 344
#include <QPushButton>
#include <QHBoxLayout>

Clément Stenac's avatar
Clément Stenac committed
345 346 347 348
/**********************************************************************
 * Visualization selector panel
 **********************************************************************/
VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
349
                                QFrame( NULL ), p_intf( _p_i )
Clément Stenac's avatar
Clément Stenac committed
350 351
{
    QHBoxLayout *layout = new QHBoxLayout( this );
352
    layout->setMargin( 0 );
Clément Stenac's avatar
Clément Stenac committed
353
    QPushButton *prevButton = new QPushButton( "Prev" );
354
    QPushButton *nextButton = new QPushButton( "Next" );
Clément Stenac's avatar
Clément Stenac committed
355 356
    layout->addWidget( prevButton );
    layout->addWidget( nextButton );
Clément Stenac's avatar
Clément Stenac committed
357

358
    layout->addStretch( 10 );
359
    layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
Clément Stenac's avatar
Clément Stenac committed
360 361 362 363 364 365 366

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

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

Clément Stenac's avatar
Clément Stenac committed
367
    setLayout( layout );
368
    setMaximumHeight( 35 );
Clément Stenac's avatar
Clément Stenac committed
369 370 371
}

VisualSelector::~VisualSelector()
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
372
{}
Clément Stenac's avatar
Clément Stenac committed
373

Clément Stenac's avatar
Clément Stenac committed
374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392
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
393
#endif
Clément Stenac's avatar
Clément Stenac committed
394

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
395 396 397
SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString& text,
                        QWidget *parent )
           : QLabel( text, parent ), p_intf( _p_intf )
398
{
399
    setToolTip( qtr( "Current playback speed.\nClick to adjust" ) );
400 401

    /* Create the Speed Control Widget */
402
    speedControl = new SpeedControlWidget( p_intf, this );
403 404 405 406 407 408 409 410 411
    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 ) );

412
    CONNECT( THEMIM, inputChanged( input_thread_t * ),
413
             speedControl, activateOnState() );
414

415
}
416 417 418 419 420
SpeedLabel::~SpeedLabel()
{
        delete speedControl;
        delete speedControlMenu;
}
421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439
/****************************************************************************
 * 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 );
}

440 441 442
/**********************************************************************
 * Speed control widget
 **********************************************************************/
443 444
SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
                    : QFrame( _parent ), p_intf( _p_i )
445
{
446
    QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
447 448
    sizePolicy.setHorizontalStretch( 0 );
    sizePolicy.setVerticalStretch( 0 );
449

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
450
    speedSlider = new QSlider( this );
451 452 453 454 455
    speedSlider->setSizePolicy( sizePolicy );
    speedSlider->setMaximumSize( QSize( 80, 200 ) );
    speedSlider->setOrientation( Qt::Vertical );
    speedSlider->setTickPosition( QSlider::TicksRight );

456
    speedSlider->setRange( -34, 34 );
457 458
    speedSlider->setSingleStep( 1 );
    speedSlider->setPageStep( 1 );
459
    speedSlider->setTickInterval( 17 );
460

461
    CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
462

463
    QToolButton *normalSpeedButton = new QToolButton( this );
464
    normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
465
    normalSpeedButton->setAutoRaise( true );
466
    normalSpeedButton->setText( "1x" );
467
    normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
468

469
    CONNECT( normalSpeedButton, clicked(), this, resetRate() );
470

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
471
    QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
472 473
    speedControlLayout->setLayoutMargins( 4, 4, 4, 4, 4 );
    speedControlLayout->setSpacing( 4 );
474 475
    speedControlLayout->addWidget( speedSlider );
    speedControlLayout->addWidget( normalSpeedButton );
476

477 478
    activateOnState();
}
479

480
void SpeedControlWidget::activateOnState()
481
{
482
    speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
483 484
}

485 486
void SpeedControlWidget::updateControls( int rate )
{
487 488 489 490 491
    if( speedSlider->isSliderDown() )
    {
        //We don't want to change anything if the user is using the slider
        return;
    }
492

493
    double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
494
    int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
495

496
    if( sliderValue < speedSlider->minimum() )
497
    {
498
        sliderValue = speedSlider->minimum();
499
    }
500
    else if( sliderValue > speedSlider->maximum() )
501
    {
502
        sliderValue = speedSlider->maximum();
503
    }
504

505 506 507 508
    //Block signals to avoid feedback loop
    speedSlider->blockSignals( true );
    speedSlider->setValue( sliderValue );
    speedSlider->blockSignals( false );
509 510 511 512
}

void SpeedControlWidget::updateRate( int sliderValue )
{
513
    double speed = pow( 2, (double)sliderValue / 17 );
514
    int rate = INPUT_RATE_DEFAULT / speed;
515

516
    THEMIM->getIM()->setRate(rate);
517 518 519 520
}

void SpeedControlWidget::resetRate()
{
521
    THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
522
}
523

524
CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
525
              : QLabel( parent ), p_intf( _p_i )
526 527
{
    setContextMenuPolicy( Qt::ActionsContextMenu );
528
    CONNECT( this, updateRequested(), this, askForUpdate() );
529 530 531 532 533

    setMinimumHeight( 128 );
    setMinimumWidth( 128 );
    setMaximumHeight( 128 );
    setMaximumWidth( 128 );
534 535
    setScaledContents( false );
    setAlignment( Qt::AlignCenter );
536

537 538
    QList< QAction* > artActions = actions();
    QAction *action = new QAction( qtr( "Download cover art" ), this );
539
    CONNECT( action, triggered(), this, askForUpdate() );
540
    addAction( action );
541

542
    showArtUpdate( "" );
543 544
}

545 546 547 548 549 550 551
CoverArtLabel::~CoverArtLabel()
{
    QList< QAction* > artActions = actions();
    foreach( QAction *act, artActions )
        removeAction( act );
}

552
void CoverArtLabel::showArtUpdate( const QString& url )
553
{
554 555
    QPixmap pix;
    if( !url.isEmpty()  && pix.load( url ) )
556
    {
557 558
        pix = pix.scaled( maximumWidth(), maximumHeight(),
                          Qt::KeepAspectRatioByExpanding );
559 560 561
    }
    else
    {
562
        pix = QPixmap( ":/noart.png" );
563
    }
564
    setPixmap( pix );
565 566
}

567
void CoverArtLabel::askForUpdate()
568
{
569
    THEMIM->getIM()->requestArtUpdate();
570 571
}

572 573 574 575 576 577 578 579
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" ) );


580 581
   CONNECT( THEMIM->getIM(), cachingChanged( float ),
            this, setCaching( float ) );
582 583 584 585 586 587
   CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
             this, setDisplayPosition( float, int, int ) );
}

void TimeLabel::setDisplayPosition( float pos, int time, int length )
{
588
    if( pos == -1.f )
589 590 591 592
    {
        setText( " --:--/--:-- " );
        return;
    }
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
593

594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611
    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;
}
612

613 614
void TimeLabel::setCaching( float f_cache )
{
615 616 617
    QString amount;
    amount.setNum( (int)(100 * f_cache) );
    msg_Dbg( p_intf, "New caching: %d", (int)(100*f_cache));
618
    setText( "Buff: " + amount + "%" );
619 620
}

621