toolbar.cpp 21.1 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
/*****************************************************************************
 * ToolbarEdit.cpp : ToolbarEdit and About dialogs
 ****************************************************************************
 * Copyright (C) 2008 the VideoLAN team
 * $Id$
 *
 * Authors: Jean-Baptiste Kempf <jb (at) videolan.org>
 *
 * 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
 * (at your option) any later version.
 *
 * 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.
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "dialogs/toolbar.hpp"

#include "util/input_slider.hpp"
#include "util/customwidgets.hpp"
#include "components/interface_widgets.hpp"

#include <QScrollArea>
#include <QGroupBox>
#include <QLabel>
#include <QComboBox>
#include <QListWidget>

#include <QDragEnterEvent>
41
#include <QDialogButtonBox>
42 43 44 45 46 47

ToolbarEditDialog *ToolbarEditDialog::instance = NULL;

ToolbarEditDialog::ToolbarEditDialog( intf_thread_t *_p_intf)
                  : QVLCFrame(  _p_intf )
{
48
    setWindowTitle( qtr( "Toolbars Editor" ) );
49 50 51 52
    QGridLayout *mainLayout = new QGridLayout( this );
    setMinimumWidth( 600 );

    /* main GroupBox */
Christophe Mutricy's avatar
i18n  
Christophe Mutricy committed
53
    QGroupBox *widgetBox = new QGroupBox( qtr( "Toolbar Elements") , this );
54 55 56 57 58 59 60
    widgetBox->setSizePolicy( QSizePolicy::Preferred,
                              QSizePolicy::MinimumExpanding );
    QGridLayout *boxLayout = new QGridLayout( widgetBox );

    flatBox = new QCheckBox( qtr( "Flat Button" ) );
    bigBox = new QCheckBox( qtr( "Big Button" ) );
    shinyBox = new QCheckBox( qtr( "Native Slider" ) );
61 62

    boxLayout->addWidget( new WidgetListing( p_intf, this ), 0, 0, 1, -1);
63 64
    boxLayout->addWidget( flatBox, 1, 0 );
    boxLayout->addWidget( bigBox, 1, 1 );
65
    boxLayout->addWidget( shinyBox, 1, 2 );
66 67 68 69
    mainLayout->addWidget( widgetBox, 0, 0, 1, -1 );


    /* Main ToolBar */
Christophe Mutricy's avatar
i18n  
Christophe Mutricy committed
70
    QGroupBox *mainToolbarBox = new QGroupBox( qtr( "Main Toolbar" ), this );
71 72
    QGridLayout *mainTboxLayout = new QGridLayout( mainToolbarBox );

Christophe Mutricy's avatar
i18n  
Christophe Mutricy committed
73
    QLabel *label = new QLabel( qtr( "Toolbar position:" ) );
74
    mainTboxLayout->addWidget(label, 0, 0, 1, 2);
75

76 77 78
    positionCombo = new QComboBox;
    positionCombo->addItem( qtr( "Under the Video" ), QVariant( 0 ) );
    positionCombo->addItem( qtr( "Above the Video" ), QVariant( 1 ) );
79 80
    positionCombo->setCurrentIndex( positionCombo->findData(
                getSettings()->value( "MainWindow/ToolbarPos", 0 ).toInt() ) );
81
    mainTboxLayout->addWidget( positionCombo, 0, 2, 1, 1 );
82

83
    QLabel *line1Label = new QLabel( "Line 1:" );
84 85
    QString line1 = getSettings()->value( "MainWindow/MainToolbar1",
                                          MAIN_TB1_DEFAULT ).toString();
86
    controller1 = new DroppingController( p_intf, line1,
87
            this );
88 89
    mainTboxLayout->addWidget( line1Label, 1, 0, 1, 1 );
    mainTboxLayout->addWidget( controller1, 1, 1, 1, 2 );
90

91
    QLabel *line2Label = new QLabel( "Line 2:" );
92 93
    QString line2 = getSettings()->value( "MainWindow/MainToolbar2",
                                          MAIN_TB2_DEFAULT ).toString();
94
    controller2 = new DroppingController( p_intf, line2,
95
            this );
96 97 98 99
    mainTboxLayout->addWidget( line2Label, 2, 0, 1, 1 );
    mainTboxLayout->addWidget( controller2, 2, 1, 1, 2);

    /* Advanced ToolBar */
Christophe Mutricy's avatar
i18n  
Christophe Mutricy committed
100
    QLabel *advLabel = new QLabel( qtr( "Advanced Widget toolbar:" ) );
101 102
    QString lineA = getSettings()->value( "MainWindow/AdvToolbar",
                                          ADV_TB_DEFAULT ).toString();
103
    controllerA = new DroppingController( p_intf, lineA,
104 105 106
            this );
    mainTboxLayout->addWidget( advLabel, 3, 0, 1, 2 );
    mainTboxLayout->addWidget( controllerA, 3, 2, 1, 1 );
107 108

    mainLayout->addWidget( mainToolbarBox, 1, 0, 1, -1 );
109 110

    /* TimeToolBar */
Christophe Mutricy's avatar
i18n  
Christophe Mutricy committed
111
    QGroupBox *timeToolbarBox = new QGroupBox( qtr( "Time Toolbar" ) , this );
112 113
    QGridLayout *timeTboxLayout = new QGridLayout( timeToolbarBox );

114 115
    QString line = getSettings()->value( "MainWindow/InputToolbar",
                                         INPT_TB_DEFAULT ).toString();
116
    controller = new DroppingController( p_intf, line,
117 118 119 120 121 122
            this );
    timeTboxLayout->addWidget( controller, 0, 0, 1, -1 );

    mainLayout->addWidget( timeToolbarBox, 2, 0, 1, -1 );

    /* FSCToolBar */
Christophe Mutricy's avatar
i18n  
Christophe Mutricy committed
123 124
    QGroupBox *FSCToolbarBox = new QGroupBox( qtr( "Fullscreen Controller" ),
                                              this );
125 126
    QGridLayout *FSCTboxLayout = new QGridLayout( FSCToolbarBox );

127 128
    QString lineFSC = getSettings()->value( "MainWindow/FSCtoolbar",
                                            FSC_TB_DEFAULT ).toString();
129
    controllerFSC = new DroppingController( p_intf,
130 131 132 133 134
            lineFSC, this );
    FSCTboxLayout->addWidget( controllerFSC, 0, 0, 1, -1 );

    mainLayout->addWidget( FSCToolbarBox, 3, 0, 1, -1 );

135 136 137
    /* Buttons */
    QDialogButtonBox *okCancel = new QDialogButtonBox;
    QPushButton *okButton = new QPushButton( qtr( "Cl&ose" ), this );
138
    okButton->setDefault( true );
139 140 141
    QPushButton *cancelButton = new QPushButton( qtr( "&Cancel" ), this );
    okCancel->addButton( okButton, QDialogButtonBox::AcceptRole );
    okCancel->addButton( cancelButton, QDialogButtonBox::RejectRole );
142

143 144 145
    BUTTONACT( okButton, close() );
    BUTTONACT( cancelButton, cancel() );
    mainLayout->addWidget( okCancel, 4, 2 );
146 147 148 149 150 151 152
}


ToolbarEditDialog::~ToolbarEditDialog()
{
}

153 154 155 156
void ToolbarEditDialog::close()
{
    msg_Dbg( p_intf, "Close and save" );
    hide();
157 158
    getSettings()->setValue( "MainWindow/ToolbarPos",
            positionCombo->itemData( positionCombo->currentIndex() ).toInt() );
159 160 161 162 163
    getSettings()->setValue( "MainWindow/MainToolbar1", controller1->getValue() );
    getSettings()->setValue( "MainWindow/MainToolbar2", controller2->getValue() );
    getSettings()->setValue( "MainWindow/AdvToolbar", controllerA->getValue() );
    getSettings()->setValue( "MainWindow/InputToolbar", controller->getValue() );
    getSettings()->setValue( "MainWindow/FSCtoolbar", controllerFSC->getValue() );
164 165 166 167 168 169 170
}

void ToolbarEditDialog::cancel()
{
    hide();
}

171 172 173 174
/************************************************
 *  Widget Listing:
 * Creation of the list of drawed lovely buttons
 ************************************************/
175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244
WidgetListing::WidgetListing( intf_thread_t *p_intf, QWidget *_parent )
              : QListWidget( _parent )
{
    /* We need the parent to know the options checked */
    parent = qobject_cast<ToolbarEditDialog *>(_parent);
    assert( parent );

    /* Normal options */
    setViewMode( QListView::IconMode );
    setSpacing( 20 );
    setDragEnabled( true );
    setMinimumHeight( 250 );

    /* All the buttons do not need a special rendering */
    for( int i = 0; i < BUTTON_MAX; i++ )
    {
        QListWidgetItem *widgetItem = new QListWidgetItem( this );
        widgetItem->setText( nameL[i] );
        widgetItem->setIcon( QIcon( iconL[i] ) );
        widgetItem->setData( Qt::UserRole, QVariant( i ) );
        addItem( widgetItem );
    }

    /* Spacers are yet again a different thing */
    QListWidgetItem *widgetItem = new QListWidgetItem( QIcon( ":/space" ),
            qtr( "Spacer" ), this );
    widgetItem->setData( Qt::UserRole, WIDGET_SPACER );
    addItem( widgetItem );

    widgetItem = new QListWidgetItem( QIcon( ":/space" ),
            qtr( "Expanding Spacer" ), this );
    widgetItem->setData( Qt::UserRole, WIDGET_SPACER_EXTEND );
    addItem( widgetItem );

    /**
     * For all other widgets, we create then, do a pseudo rendering in
     * a pixmaps for the view, and delete the object
     *
     * A lot of code is retaken from the Abstract, but not exactly...
     * So, rewrite.
     * They are better ways to deal with this, but I doubt that this is
     * necessary. If you feel like you have the time, be my guest.
     * --
     * jb
     **/
    for( int i = SPLITTER; i < SPECIAL_MAX; i++ )
    {
        QWidget *widget = NULL;
        QListWidgetItem *widgetItem = new QListWidgetItem( this );
        switch( i )
        {
        case SPLITTER:
            {
                QFrame *line = new QFrame( this );
                line->setFrameShape( QFrame::VLine );
                line->setFrameShadow( QFrame::Raised );
                line->setLineWidth( 0 ); line->setMidLineWidth( 1 );
                widget = line;
            }
            widgetItem->setText( qtr("Splitter") );
            break;
        case INPUT_SLIDER:
            {
                InputSlider *slider = new InputSlider( Qt::Horizontal, this );
                widget = slider;
            }
            widgetItem->setText( qtr("Time Slider") );
            break;
        case VOLUME:
            {
245 246
                SoundWidget *snd = new SoundWidget( this, p_intf,
                        parent->getOptions() & WIDGET_SHINY );
247 248 249 250 251 252 253 254 255 256 257 258 259 260
                widget = snd;
            }
            widgetItem->setText( qtr("Volume") );
            break;
        case TIME_LABEL:
            {
                QLabel *timeLabel = new QLabel( "12:42/2:12:42", this );
                widget = timeLabel;
            }
            widgetItem->setText( qtr("Time") );
            break;
        case MENU_BUTTONS:
            {
                QWidget *discFrame = new QWidget( this );
261
                //discFrame->setLineWidth( 1 );
262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303
                QHBoxLayout *discLayout = new QHBoxLayout( discFrame );
                discLayout->setSpacing( 0 ); discLayout->setMargin( 0 );

                QToolButton *prevSectionButton = new QToolButton( discFrame );
                prevSectionButton->setIcon( QIcon( ":/dvd_prev" ) );
                discLayout->addWidget( prevSectionButton );

                QToolButton *menuButton = new QToolButton( discFrame );
                menuButton->setIcon( QIcon( ":/dvd_menu" ) );
                discLayout->addWidget( menuButton );

                QToolButton *nextButton = new QToolButton( discFrame );
                nextButton->setIcon( QIcon( ":/dvd_next" ) );
                discLayout->addWidget( nextButton );

                widget = discFrame;
            }
            widgetItem->setText( qtr("DVD menus") );
            break;
        case TELETEXT_BUTTONS:
            {
                QWidget *telexFrame = new QWidget( this );
                QHBoxLayout *telexLayout = new QHBoxLayout( telexFrame );
                telexLayout->setSpacing( 0 ); telexLayout->setMargin( 0 );

                QToolButton *telexOn = new QToolButton( telexFrame );
                telexOn->setIcon( QIcon( ":/tv" ) );
                telexLayout->addWidget( telexOn );

                QToolButton *telexTransparent = new QToolButton;
                telexOn->setIcon( QIcon( ":/tvtelx-trans" ) );
                telexLayout->addWidget( telexTransparent );

                QSpinBox *telexPage = new QSpinBox;
                telexLayout->addWidget( telexPage );

                widget = telexFrame;
            }
            widgetItem->setText( qtr("Teletext") );
            break;
        case ADVANCED_CONTROLLER:
            {
304
                AdvControlsWidget *advControls = new AdvControlsWidget( p_intf, this );
305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327
                widget = advControls;
            }
            widgetItem->setText( qtr("Advanced Buttons") );
            break;
        default:
            msg_Warn( p_intf, "This should not happen %i", i );
            break;
        }

        if( widget == NULL ) continue;


        widgetItem->setIcon( QIcon( QPixmap::grabWidget( widget ) ) );
        widget->hide();
        widgetItem->setData( Qt::UserRole, QVariant( i ) );

        addItem( widgetItem );
        delete widget;
    }
}

void WidgetListing::startDrag( Qt::DropActions /*supportedActions*/ )
{
328
    QListWidgetItem *item = currentItem();
329 330 331 332 333 334 335 336

    QByteArray itemData;
    QDataStream dataStream( &itemData, QIODevice::WriteOnly );

    int i_type = item->data( Qt::UserRole ).toInt();
    int i_option = parent->getOptions();
    dataStream << i_type << i_option;

337 338 339 340
    /* Create a new dragging event */
    QDrag *drag = new QDrag( this );

    /* With correct mimedata */
341 342 343
    QMimeData *mimeData = new QMimeData;
    mimeData->setData( "vlc/button-bar", itemData );
    drag->setMimeData( mimeData );
344 345

    /* And correct pixmap */
346 347 348
    QPixmap aPixmap = item->icon().pixmap( QSize( 22, 22 ) );
    drag->setPixmap( aPixmap );
    drag->setHotSpot( QPoint( 20, 20 ) );
349

350 351 352
    /* We want to keep a copy */
    drag->exec( Qt::CopyAction | Qt::MoveAction );
}
353

354 355 356 357 358 359 360 361
/*
 * The special controller with drag'n drop abilities.
 * We don't do this in the main controller, since we don't want the OverHead
 * to propagate there too
 */
DroppingController::DroppingController( intf_thread_t *_p_intf,
                                        QString line,
                                        QWidget *_parent )
362
                   : AbstractController( _p_intf, _parent )
363 364
{
    rubberband = NULL;
365
    b_draging = false;
366 367
    setAcceptDrops( true );
    controlLayout = new QHBoxLayout( this );
368
    controlLayout->setSpacing( 5 );
369 370 371 372
    controlLayout->setMargin( 0 );
    setFrameShape( QFrame::StyledPanel );
    setFrameShadow( QFrame::Raised );

373
    parseAndCreate( line, controlLayout );
374 375 376
}

/* Overloading the AbstractController one, because we don't manage the
377
   Spacing items in the same ways */
378 379 380 381 382 383 384 385 386 387 388 389 390 391
void DroppingController::createAndAddWidget( QBoxLayout *controlLayout,
                                             int i_index,
                                             buttonType_e i_type,
                                             int i_option )
{
    /* Special case for SPACERS, who aren't QWidgets */
    if( i_type == WIDGET_SPACER || i_type == WIDGET_SPACER_EXTEND )
    {
        QLabel *label = new QLabel;
        label->setPixmap( QPixmap( ":/space" ) );
        if( i_type == WIDGET_SPACER_EXTEND )
        {
            label->setSizePolicy( QSizePolicy::MinimumExpanding,
                    QSizePolicy::Preferred );
392 393 394 395 396

            /* Create a box around it */
            label->setFrameStyle( QFrame::Panel | QFrame::Sunken );
            label->setLineWidth ( 1 );
            label->setAlignment( Qt::AlignCenter );
397 398 399 400 401
        }
        else
            label->setSizePolicy( QSizePolicy::Fixed,
                    QSizePolicy::Preferred );

402 403
        /* Install event Filter for drag'n drop */
        label->installEventFilter( this );
404 405
        controlLayout->insertWidget( i_index, label );
    }
406 407

    /* Normal Widgets */
408 409 410 411 412
    else
    {
        QWidget *widg = createWidget( i_type, i_option );
        if( !widg ) return;

413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441
        /* Install the Event Filter in order to catch the drag */
        widg->installEventFilter( this );

        /* We are in a complex widget, we need to stop events on children too */
        if( i_type >= VOLUME && i_type < SPECIAL_MAX )
        {
            QList<QObject *>children = widg->children();

            QObject *child;
            foreach( child, children )
            {
                QWidget *childWidg;
                if( childWidg = qobject_cast<QWidget *>( child ) )
                {
                    child->installEventFilter( this );
                    childWidg->setEnabled( true );
                }
            }

            /* Decorating the frames when possible */
            QFrame *frame;
            if( i_type >= MENU_BUTTONS  /* Don't bother to check for volume */
                && ( frame = qobject_cast<QFrame *>( widg ) ) != NULL )
            {
                frame->setFrameStyle( QFrame::Panel | QFrame::Raised );
                frame->setLineWidth ( 1 );
            }
        }

442 443
        /* Some Widgets are deactivated at creation */
        widg->setEnabled( true );
444
        widg->show();
445 446
        controlLayout->insertWidget( i_index, widg );
    }
447

448
    /* QList and QBoxLayout don't act the same with insert() */
449
    if( i_index < 0 ) i_index = controlLayout->count() - 1;
450

451 452 453 454
    /* Insert in the value listing */
    doubleInt *value = new doubleInt;
    value->i_type = i_type;
    value->i_option = i_option;
455 456 457
    widgetList.insert( i_index, value );
}

458 459 460 461 462 463
DroppingController::~DroppingController()
{
    qDeleteAll( widgetList );
    widgetList.clear();
}

464 465 466 467 468 469 470 471 472 473 474 475 476 477
QString DroppingController::getValue()
{
    QString qs = "";

    for( int i = 0; i < controlLayout->count(); i++ )
    {
        doubleInt *dI = widgetList.at( i );
        assert( dI );

        qs.append( QString::number( dI->i_type ) );
        if( dI->i_option ) qs.append( "-" + QString::number( dI->i_option ) );
        qs.append( ';' );
    }
    return qs;
478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524
}

void DroppingController::dragEnterEvent( QDragEnterEvent * event )
{
    if( event->mimeData()->hasFormat( "vlc/button-bar" ) )
        event->accept();
    else
        event->ignore();
}

void DroppingController::dragMoveEvent( QDragMoveEvent *event )
{
    QPoint origin = event->pos();

    int i_pos = getParentPosInLayout( origin );
    bool b_end = false;

    /* Both sides of the frame */
    if( i_pos == -1 )
    {
        if( rubberband ) rubberband->hide();
        return;
    }

    /* Last item is special because of underlying items */
    if( i_pos >= controlLayout->count() )
    {
        i_pos--;
        b_end = true;
    }

    /* Query the underlying item for size && middles */
    QLayoutItem *tempItem = controlLayout->itemAt( i_pos ); assert( tempItem );
    QWidget *temp = tempItem->widget(); assert( temp );

    /* Position assignment */
    origin.ry() = 0;
    origin.rx() = temp->x() - 2;

    if( b_end ) origin.rx() += temp->width();

    if( !rubberband )
        rubberband = new QRubberBand( QRubberBand::Line, this );
    rubberband->setGeometry( origin.x(), origin.y(), 4, height() );
    rubberband->show();
}

525
inline int DroppingController::getParentPosInLayout( QPoint point )
526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570
{
    point.ry() = height() / 2 ;
    QPoint origin = mapToGlobal ( point );

    QWidget *tempWidg = QApplication::widgetAt( origin );

    int i = -1;
    if( tempWidg != NULL)
    {
        i = controlLayout->indexOf( tempWidg );
        if( i == -1 )
        {
            i = controlLayout->indexOf( tempWidg->parentWidget() );
            tempWidg = tempWidg->parentWidget();
        }
    }

    /* Return the nearest position */
    if( ( point.x() - tempWidg->x()  > tempWidg->width() / 2 ) && i != -1 )
        i++;

    //    msg_Dbg( p_intf, "%i", i);
    return i;
}

void DroppingController::dropEvent( QDropEvent *event )
{
    int i = getParentPosInLayout( event->pos() );

    QByteArray data = event->mimeData()->data( "vlc/button-bar" );
    QDataStream dataStream(&data, QIODevice::ReadOnly);

    int i_option = 0, i_type = 0;
    dataStream >> i_type >> i_option;

    createAndAddWidget( controlLayout, i, (buttonType_e)i_type, i_option );

    /* Hide by precaution, you don't exactly know what could have happened in
       between */
    if( rubberband ) rubberband->hide();
}

void DroppingController::dragLeaveEvent ( QDragLeaveEvent * event )
{
    if( rubberband ) rubberband->hide();
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
571
    event->accept();
572 573 574 575 576
}

/**
 * Overloading doAction to block any action
 **/
Jean-Baptiste Kempf's avatar
Jean-Baptiste Kempf committed
577 578 579 580
void DroppingController::doAction( int i )
{
    VLC_UNUSED( i );
}
581

582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643
bool DroppingController::eventFilter( QObject *obj, QEvent *event )
{
    switch( event->type() )
    {
        case QEvent::MouseButtonPress:
            b_draging = true;
            return true;
        case QEvent::MouseButtonRelease:
            b_draging = false;
            return true;
        case QEvent::MouseMove:
            {
            if( !b_draging ) return true;
            QWidget *widg = static_cast<QWidget*>(obj);

            QByteArray itemData;
            QDataStream dataStream( &itemData, QIODevice::WriteOnly );

            int i = -1;
            i = controlLayout->indexOf( widg );
            if( i == -1 )
            {
                i = controlLayout->indexOf( widg->parentWidget() );
                widg = widg->parentWidget();
                /* NOTE: be extra-careful Now with widg access */
            }

            if( i == -1 ) return true;
            doubleInt *dI = widgetList.at( i );

            int i_type = dI->i_type;
            int i_option = dI->i_option;
            dataStream << i_type << i_option;

            /* With correct mimedata */
            QMimeData *mimeData = new QMimeData;
            mimeData->setData( "vlc/button-bar", itemData );

            QDrag *drag = new QDrag( widg );
            drag->setMimeData( mimeData );

            /* Start the effective drag */
            drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::MoveAction);

            widgetList.removeAt( i );
            controlLayout->removeWidget( widg );
            widg->hide();
            b_draging = false;
            }
            return true;

        case QEvent::EnabledChange:
        case QEvent::Hide:
        case QEvent::HideToParent:
        case QEvent::Move:
        case QEvent::ZOrderChange:
            return true;
        default:
            return false;
    }
}