interface_widgets.cpp 14.3 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

zorglub's avatar
zorglub 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>
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
44

45 46 47 48
#ifdef Q_WS_X11
# include <X11/Xlib.h>
# include <qx11info_x11.h>
#endif
49

50 51
#include <math.h>

52 53 54 55
/**********************************************************************
 * Video Widget. A simple frame on which video is drawn
 * This class handles resize issues
 **********************************************************************/
56

57
VideoWidget::VideoWidget( intf_thread_t *_p_i ) : QFrame( NULL ), p_intf( _p_i )
58
{
59
    /* Init */
60
    p_vout = NULL;
61 62
    videoSize.rwidth() = -1;
    videoSize.rheight() = -1;
63 64 65 66

    hide();

    /* Set the policy to expand in both directions */
67
//    setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
68

69
    /* Black background is more coherent for a Video Widget */
70
    QPalette plt =  palette();
71
    plt.setColor( QPalette::Window, Qt::black );
72
    setPalette( plt );
73 74 75 76 77
    setAutoFillBackground(true);

    /* Indicates that the widget wants to draw directly onto the screen.
       Widgets with this attribute set do not participate in composition
       management */
78
    setAttribute( Qt::WA_PaintOnScreen, true );
79 80
}

81 82 83
void VideoWidget::paintEvent(QPaintEvent *ev)
{
    QFrame::paintEvent(ev);
84 85 86
#ifdef Q_WS_X11
    XFlush( QX11Info::display() );
#endif
87 88
}

89 90
VideoWidget::~VideoWidget()
{
91 92
    /* Ensure we are not leaking the video output. This would crash. */
    assert( !p_vout );
93 94
}

95
/**
96
 * Request the video to avoid the conflicts
97
 **/
98 99 100
WId VideoWidget::request( vout_thread_t *p_nvout, int *pi_x, int *pi_y,
                          unsigned int *pi_width, unsigned int *pi_height,
                          bool b_keep_size )
101
{
102
    msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
103 104 105 106 107 108 109

    if( b_keep_size )
    {
        *pi_width  = size().width();
        *pi_height = size().height();
    }

110
    if( p_vout )
111 112 113 114
    {
        msg_Dbg( p_intf, "embedded video already in use" );
        return NULL;
    }
115
    p_vout = p_nvout;
116
#ifndef NDEBUG
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
117
    msg_Dbg( p_intf, "embedded video ready (handle %p)", (void *)winId() );
118
#endif
119
    return winId();
120 121
}

122
/* Set the Widget to the correct Size */
123
/* Function has to be called by the parent
Rémi Denis-Courmont's avatar
typo  
Rémi Denis-Courmont committed
124
   Parent has to care about resizing itself */
125
void VideoWidget::SetSizing( unsigned int w, unsigned int h )
126
{
127 128 129
    msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
    videoSize.rwidth() = w;
    videoSize.rheight() = h;
130
    if( !isVisible() ) show();
131
    updateGeometry(); // Needed for deinterlace
132 133
}

134
void VideoWidget::release( void )
135
{
Rémi Denis-Courmont's avatar
Typo  
Rémi Denis-Courmont committed
136
    msg_Dbg( p_intf, "Video is not needed anymore" );
137
    p_vout = NULL;
138 139
    videoSize.rwidth() = 0;
    videoSize.rheight() = 0;
140
    updateGeometry();
141
    hide();
142
}
143

144 145 146 147
QSize VideoWidget::sizeHint() const
{
    return videoSize;
}
148

149 150
/**********************************************************************
 * Background Widget. Show a simple image background. Currently,
151
 * it's album art if present or cone.
152
 **********************************************************************/
153 154
#define ICON_SIZE 128
#define MAX_BG_SIZE 400
155
#define MIN_BG_SIZE 128
156

157 158
BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
                 :QWidget( NULL ), p_intf( _p_i )
159
{
160
    /* We should use that one to take the more size it can */
161
    setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
162

163
    /* A dark background */
zorglub's avatar
zorglub committed
164
    setAutoFillBackground( true );
165
    plt = palette();
166 167 168 169
    plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
    plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
    setPalette( plt );

170
    /* A cone in the middle */
171
    label = new QLabel;
172
    label->setMargin( 5 );
173 174
    label->setMaximumHeight( MAX_BG_SIZE );
    label->setMaximumWidth( MAX_BG_SIZE );
175 176
    label->setMinimumHeight( MIN_BG_SIZE );
    label->setMinimumWidth( MIN_BG_SIZE );
177
    if( QDate::currentDate().dayOfYear() >= 354 )
178
        label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
179
    else
180
        label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
181

182 183 184 185
    QGridLayout *backgroundLayout = new QGridLayout( this );
    backgroundLayout->addWidget( label, 0, 1 );
    backgroundLayout->setColumnStretch( 0, 1 );
    backgroundLayout->setColumnStretch( 2, 1 );
186

187
    CONNECT( THEMIM->getIM(), artChanged( QString ),
188
             this, updateArt( const QString& ) );
189 190
}

zorglub's avatar
zorglub committed
191
BackgroundWidget::~BackgroundWidget()
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
192
{}
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
193

194 195 196 197 198 199 200 201
void BackgroundWidget::resizeEvent( QResizeEvent * event )
{
    if( event->size().height() <= MIN_BG_SIZE )
        label->hide();
    else
        label->show();
}

202
void BackgroundWidget::updateArt( const QString& url )
203
{
204
    if( url.isEmpty() )
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
205
    {
206
        if( QDate::currentDate().dayOfYear() >= 354 )
207
            label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
208
        else
209
            label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
210
    }
211
    else
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
212
    {
213
        label->setPixmap( QPixmap( url ) );
Ilkka Ollakka's avatar
 
Ilkka Ollakka committed
214
    }
215 216
}

217 218 219
void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
{
    QVLCMenu::PopupMenu( p_intf, true );
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
220
    event->accept();
221
}
222

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
223
#if 0
224 225 226
#include <QPushButton>
#include <QHBoxLayout>

zorglub's avatar
zorglub committed
227 228 229 230
/**********************************************************************
 * Visualization selector panel
 **********************************************************************/
VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
231
                                QFrame( NULL ), p_intf( _p_i )
zorglub's avatar
zorglub committed
232 233
{
    QHBoxLayout *layout = new QHBoxLayout( this );
234
    layout->setMargin( 0 );
zorglub's avatar
zorglub committed
235
    QPushButton *prevButton = new QPushButton( "Prev" );
236
    QPushButton *nextButton = new QPushButton( "Next" );
zorglub's avatar
zorglub committed
237 238
    layout->addWidget( prevButton );
    layout->addWidget( nextButton );
zorglub's avatar
zorglub committed
239

240
    layout->addStretch( 10 );
241
    layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
zorglub's avatar
zorglub committed
242 243 244 245 246 247 248

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

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

zorglub's avatar
zorglub committed
249
    setLayout( layout );
250
    setMaximumHeight( 35 );
zorglub's avatar
zorglub committed
251 252 253
}

VisualSelector::~VisualSelector()
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
254
{}
zorglub's avatar
zorglub committed
255

zorglub's avatar
zorglub committed
256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274
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
275
#endif
zorglub's avatar
zorglub committed
276

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
277 278 279
SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString& text,
                        QWidget *parent )
           : QLabel( text, parent ), p_intf( _p_intf )
280
{
281
    setToolTip( qtr( "Current playback speed.\nClick to adjust" ) );
282 283

    /* Create the Speed Control Widget */
284
    speedControl = new SpeedControlWidget( p_intf, this );
285 286 287 288 289 290 291 292 293
    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 ) );

294
    CONNECT( THEMIM, inputChanged( input_thread_t * ),
295
             speedControl, activateOnState() );
296

297
}
298 299 300 301 302
SpeedLabel::~SpeedLabel()
{
        delete speedControl;
        delete speedControlMenu;
}
303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321
/****************************************************************************
 * 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 );
}

322 323 324
/**********************************************************************
 * Speed control widget
 **********************************************************************/
325 326
SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
                    : QFrame( _parent ), p_intf( _p_i )
327
{
328
    QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
329 330
    sizePolicy.setHorizontalStretch( 0 );
    sizePolicy.setVerticalStretch( 0 );
331

Rémi Denis-Courmont's avatar
Rémi Denis-Courmont committed
332
    speedSlider = new QSlider( this );
333 334 335 336 337
    speedSlider->setSizePolicy( sizePolicy );
    speedSlider->setMaximumSize( QSize( 80, 200 ) );
    speedSlider->setOrientation( Qt::Vertical );
    speedSlider->setTickPosition( QSlider::TicksRight );

338
    speedSlider->setRange( -34, 34 );
339 340
    speedSlider->setSingleStep( 1 );
    speedSlider->setPageStep( 1 );
341
    speedSlider->setTickInterval( 17 );
342

343
    CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
344

345
    QToolButton *normalSpeedButton = new QToolButton( this );
346
    normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
347
    normalSpeedButton->setAutoRaise( true );
348
    normalSpeedButton->setText( "1x" );
349
    normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
350

351
    CONNECT( normalSpeedButton, clicked(), this, resetRate() );
352

Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
353
    QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
354 355
    speedControlLayout->setLayoutMargins( 4, 4, 4, 4, 4 );
    speedControlLayout->setSpacing( 4 );
356 357
    speedControlLayout->addWidget( speedSlider );
    speedControlLayout->addWidget( normalSpeedButton );
358

359 360
    activateOnState();
}
361

362
void SpeedControlWidget::activateOnState()
363
{
364
    speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
365 366
}

367 368
void SpeedControlWidget::updateControls( int rate )
{
369 370 371 372 373
    if( speedSlider->isSliderDown() )
    {
        //We don't want to change anything if the user is using the slider
        return;
    }
374

375
    double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
376
    int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
377

378
    if( sliderValue < speedSlider->minimum() )
379
    {
380
        sliderValue = speedSlider->minimum();
381
    }
382
    else if( sliderValue > speedSlider->maximum() )
383
    {
384
        sliderValue = speedSlider->maximum();
385
    }
386

387 388 389 390
    //Block signals to avoid feedback loop
    speedSlider->blockSignals( true );
    speedSlider->setValue( sliderValue );
    speedSlider->blockSignals( false );
391 392 393 394
}

void SpeedControlWidget::updateRate( int sliderValue )
{
395
    double speed = pow( 2, (double)sliderValue / 17 );
396
    int rate = INPUT_RATE_DEFAULT / speed;
397

398
    THEMIM->getIM()->setRate(rate);
399 400 401 402
}

void SpeedControlWidget::resetRate()
{
403
    THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
404
}
405

406
CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
407
              : QLabel( parent ), p_intf( _p_i )
408 409
{
    setContextMenuPolicy( Qt::ActionsContextMenu );
410
    CONNECT( this, updateRequested(), this, askForUpdate() );
411
    CONNECT( THEMIM->getIM(), artChanged( QString ),
412
             this, showArtUpdate( const QString& ) );
413 414 415 416 417 418

    setMinimumHeight( 128 );
    setMinimumWidth( 128 );
    setMaximumHeight( 128 );
    setMaximumWidth( 128 );
    setScaledContents( true );
419

420 421
    QList< QAction* > artActions = actions();
    QAction *action = new QAction( qtr( "Download cover art" ), this );
422
    CONNECT( action, triggered(), this, askForUpdate() );
423
    addAction( action );
424

425
    showArtUpdate( "" );
426 427
}

428 429 430 431 432 433 434
CoverArtLabel::~CoverArtLabel()
{
    QList< QAction* > artActions = actions();
    foreach( QAction *act, artActions )
        removeAction( act );
}

435
void CoverArtLabel::showArtUpdate( const QString& url )
436
{
437 438
    QPixmap pix;
    if( !url.isEmpty()  && pix.load( url ) )
439
    {
440 441 442 443 444
        setPixmap( pix );
    }
    else
    {
        setPixmap( QPixmap( ":/noart.png" ) );
445 446 447
    }
}

448
void CoverArtLabel::askForUpdate()
449
{
450
    THEMIM->getIM()->requestArtUpdate();
451 452
}

453 454 455 456 457 458 459 460
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" ) );


461 462
   CONNECT( THEMIM->getIM(), cachingChanged( float ),
            this, setCaching( float ) );
463 464 465 466 467 468
   CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
             this, setDisplayPosition( float, int, int ) );
}

void TimeLabel::setDisplayPosition( float pos, int time, int length )
{
469
    if( pos == -1.f )
470 471 472 473
    {
        setText( " --:--/--:-- " );
        return;
    }
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
474

475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492
    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;
}
493

494 495
void TimeLabel::setCaching( float f_cache )
{
496 497 498
    QString amount;
    amount.setNum( (int)(100 * f_cache) );
    msg_Dbg( p_intf, "New caching: %d", (int)(100*f_cache));
499
    setText( "Buff: " + amount + "%" );
500 501
}

502