modules/gui/qt4/dialogs/toolbar.cpp

   1 /*****************************************************************************
   2  * ToolbarEdit.cpp : ToolbarEdit dialog
   3  ****************************************************************************
   4  * Copyright (C) 2008-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Jean-Baptiste Kempf <jb (at) videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifdef HAVE_CONFIG_H
  25 # include "config.h"
  26 #endif
  27
  28 #include "dialogs/toolbar.hpp"
  29
  30 /* Widgets */
  31 #include "util/input_slider.hpp"
  32 #include "util/customwidgets.hpp"
  33 #include "components/interface_widgets.hpp"
  34 #include "util/buttons/DeckButtonsLayout.hpp"
  35 #include "util/buttons/BrowseButton.hpp"
  36 #include "util/buttons/RoundButton.hpp"
  37
  38 #include <QScrollArea>
  39 #include <QGroupBox>
  40 #include <QLabel>
  41 #include <QComboBox>
  42 #include <QListWidget>
  43 #include <QSpinBox>
  44 #include <QRubberBand>
  45
  46 #include <QDragEnterEvent>
  47 #include <QDialogButtonBox>
  48 #include <QInputDialog>
  49
  50 #include <assert.h>
  51
  52 ToolbarEditDialog::ToolbarEditDialog( QWidget *_w, intf_thread_t *_p_intf)
  53                   : QVLCDialog( _w,  _p_intf )
  54 {
  55     setWindowTitle( qtr( "Toolbars Editor" ) );
  56     setWindowRole( "vlc-toolbars-editor" );
  57     QGridLayout *mainLayout = new QGridLayout( this );
  58     setMinimumWidth( 600 );
  59     setAttribute( Qt::WA_DeleteOnClose );
  60
  61     /* main GroupBox */
  62     QGroupBox *widgetBox = new QGroupBox( qtr( "Toolbar Elements") , this );
  63     widgetBox->setSizePolicy( QSizePolicy::Preferred,
  64                               QSizePolicy::MinimumExpanding );
  65     QGridLayout *boxLayout = new QGridLayout( widgetBox );
  66
  67     QLabel *styleLabel = new QLabel( qtr( "Next widget style:" ) );
  68     flatBox = new QCheckBox( qtr( "Flat Button" ) );
  69     bigBox = new QCheckBox( qtr( "Big Button" ) );
  70     shinyBox = new QCheckBox( qtr( "Native Slider" ) );
  71
  72     boxLayout->addWidget( new WidgetListing( p_intf, this ), 0, 0, 1, -1);
  73     boxLayout->addWidget( styleLabel, 1, 0 );
  74     boxLayout->addWidget( flatBox, 1, 1 );
  75     boxLayout->addWidget( bigBox, 1, 2 );
  76     boxLayout->addWidget( shinyBox, 2, 1 );
  77     mainLayout->addWidget( widgetBox, 0, 0, 5, 1 );
  78
  79
  80     /* Main ToolBar */
  81     QGroupBox *mainToolbarBox = new QGroupBox( qtr( "Main Toolbar" ), this );
  82     QGridLayout *mainTboxLayout = new QGridLayout( mainToolbarBox );
  83
  84     QLabel *label = new QLabel( qtr( "Toolbar position:" ) );
  85     mainTboxLayout->addWidget(label, 0, 0, 1, 2);
  86
  87     positionCombo = new QComboBox;
  88     positionCombo->addItem( qtr( "Under the Video" ), QVariant( 0 ) );
  89     positionCombo->addItem( qtr( "Above the Video" ), QVariant( 1 ) );
  90     positionCombo->setCurrentIndex( positionCombo->findData(
  91                 getSettings()->value( "MainWindow/ToolbarPos", 0 ).toInt() ) );
  92     mainTboxLayout->addWidget( positionCombo, 0, 2, 1, 1 );
  93
  94     QLabel *line1Label = new QLabel( qtr("Line 1:") );
  95     QString line1 = getSettings()->value( "MainWindow/MainToolbar1",
  96                                           MAIN_TB1_DEFAULT ).toString();
  97     controller1 = new DroppingController( p_intf, line1,
  98             this );
  99     mainTboxLayout->addWidget( line1Label, 1, 0, 1, 1 );
 100     mainTboxLayout->addWidget( controller1, 1, 1, 1, 2 );
 101
 102     QLabel *line2Label = new QLabel( qtr("Line 2:") );
 103     QString line2 = getSettings()->value( "MainWindow/MainToolbar2",
 104                                           MAIN_TB2_DEFAULT ).toString();
 105     controller2 = new DroppingController( p_intf, line2,
 106             this );
 107     mainTboxLayout->addWidget( line2Label, 2, 0, 1, 1 );
 108     mainTboxLayout->addWidget( controller2, 2, 1, 1, 2);
 109
 110     /* Advanced ToolBar */
 111     QLabel *advLabel = new QLabel( qtr( "Advanced Widget toolbar:" ) );
 112     QString lineA = getSettings()->value( "MainWindow/AdvToolbar",
 113                                           ADV_TB_DEFAULT ).toString();
 114     controllerA = new DroppingController( p_intf, lineA,
 115             this );
 116     mainTboxLayout->addWidget( advLabel, 3, 0, 1, 2 );
 117     mainTboxLayout->addWidget( controllerA, 3, 2, 1, 1 );
 118
 119     mainLayout->addWidget( mainToolbarBox, 0, 1, 1, -1 );
 120
 121     /* TimeToolBar */
 122     QGroupBox *timeToolbarBox = new QGroupBox( qtr( "Time Toolbar" ) , this );
 123     QGridLayout *timeTboxLayout = new QGridLayout( timeToolbarBox );
 124
 125     QString line = getSettings()->value( "MainWindow/InputToolbar",
 126                                          INPT_TB_DEFAULT ).toString();
 127     controller = new DroppingController( p_intf, line,
 128             this );
 129     timeTboxLayout->addWidget( controller, 0, 0, 1, -1 );
 130
 131     mainLayout->addWidget( timeToolbarBox, 1, 1, 1, -1 );
 132
 133     /* FSCToolBar */
 134     QGroupBox *FSCToolbarBox = new QGroupBox( qtr( "Fullscreen Controller" ),
 135                                               this );
 136     QGridLayout *FSCTboxLayout = new QGridLayout( FSCToolbarBox );
 137
 138     QString lineFSC = getSettings()->value( "MainWindow/FSCtoolbar",
 139                                             FSC_TB_DEFAULT ).toString();
 140     controllerFSC = new DroppingController( p_intf,
 141             lineFSC, this );
 142     FSCTboxLayout->addWidget( controllerFSC, 0, 0, 1, -1 );
 143
 144     mainLayout->addWidget( FSCToolbarBox, 2, 1, 1, -1 );
 145
 146     /* Profile */
 147     QGroupBox *profileBox = new QGroupBox( qtr( "Profile" ), this );
 148     QGridLayout *profileBoxLayout = new QGridLayout( profileBox );
 149
 150     profileCombo = new QComboBox;
 151     QLabel *profileLabel = new QLabel( qtr( "Select profile:" ), this );
 152
 153     QToolButton *newButton = new QToolButton;
 154     newButton->setIcon( QIcon( ":/new" ) );
 155     newButton->setToolTip( qtr("New profile") );
 156     QToolButton *deleteButton = new QToolButton;
 157     deleteButton->setIcon( QIcon( ":/toolbar/clear" ) );
 158     deleteButton->setToolTip( qtr( "Delete the current profile" ) );
 159
 160     profileBoxLayout->addWidget( profileLabel, 0, 0 );
 161     profileBoxLayout->addWidget( profileCombo, 0, 1 );
 162     profileBoxLayout->addWidget( newButton, 0, 2 );
 163     profileBoxLayout->addWidget( deleteButton, 0, 3 );
 164
 165     mainLayout->addWidget( profileBox, 3, 1, 1, -1 );
 166
 167     /* Fill combos */
 168     int i_size = getSettings()->beginReadArray( "ToolbarProfiles" );
 169     for( int i = 0; i < i_size; i++ )
 170     {
 171         getSettings()->setArrayIndex(i);
 172         profileCombo->addItem( getSettings()->value( "ProfileName" ).toString(),
 173                                getSettings()->value( "Value" ).toString() );
 174     }
 175     getSettings()->endArray();
 176
 177     /* Load defaults ones if we have no combos */
 178     /* We could decide that we load defaults on first launch of the dialog
 179        or when the combo is back to 0. I choose the second solution, because some clueless
 180        user might hit on delete a bit too much, but discussion is opened. -- jb */
 181     if( i_size == 0 )
 182     {
 183         profileCombo->addItem( PROFILE_NAME_1, QString( VALUE_1 ) );
 184         profileCombo->addItem( PROFILE_NAME_2, QString( VALUE_2 ) );
 185         profileCombo->addItem( PROFILE_NAME_3, QString( VALUE_3 ) );
 186         profileCombo->addItem( PROFILE_NAME_4, QString( VALUE_4 ) );
 187         profileCombo->addItem( PROFILE_NAME_5, QString( VALUE_5 ) );
 188     }
 189     profileCombo->setCurrentIndex( -1 );
 190
 191     /* Buttons */
 192     QDialogButtonBox *okCancel = new QDialogButtonBox;
 193     QPushButton *okButton = new QPushButton( qtr( "Cl&ose" ), this );
 194     okButton->setDefault( true );
 195     QPushButton *cancelButton = new QPushButton( qtr( "&Cancel" ), this );
 196     okCancel->addButton( okButton, QDialogButtonBox::AcceptRole );
 197     okCancel->addButton( cancelButton, QDialogButtonBox::RejectRole );
 198
 199     BUTTONACT( deleteButton, deleteProfile() );
 200     BUTTONACT( newButton, newProfile() );
 201     CONNECT( profileCombo, currentIndexChanged( int ), this, changeProfile( int ) );
 202     BUTTONACT( okButton, close() );
 203     BUTTONACT( cancelButton, cancel() );
 204     mainLayout->addWidget( okCancel, 5, 2 );
 205 }
 206
 207
 208 ToolbarEditDialog::~ToolbarEditDialog()
 209 {
 210     getSettings()->beginWriteArray( "ToolbarProfiles" );
 211     for( int i = 0; i < profileCombo->count(); i++ )
 212     {
 213         getSettings()->setArrayIndex(i);
 214         getSettings()->setValue( "ProfileName", profileCombo->itemText( i ) );
 215         getSettings()->setValue( "Value", profileCombo->itemData( i ) );
 216     }
 217     getSettings()->endArray();
 218 }
 219
 220 void ToolbarEditDialog::newProfile()
 221 {
 222     bool ok;
 223     QString name =  QInputDialog::getText( this, qtr( "Profile Name" ),
 224                  qtr( "Please enter the new profile name." ), QLineEdit::Normal, 0, &ok );
 225     if( !ok ) return;
 226
 227     QString temp = QString::number( positionCombo->currentIndex() );
 228     temp += "|" + controller1->getValue();
 229     temp += "|" + controller2->getValue();
 230     temp += "|" + controllerA->getValue();
 231     temp += "|" + controller->getValue();
 232     temp += "|" + controllerFSC->getValue();
 233
 234     profileCombo->addItem( name, temp );
 235     profileCombo->setCurrentIndex( profileCombo->count() - 1 );
 236 }
 237
 238 void ToolbarEditDialog::deleteProfile()
 239 {
 240     profileCombo->removeItem( profileCombo->currentIndex() );
 241 }
 242
 243 void ToolbarEditDialog::changeProfile( int i )
 244 {
 245     QStringList qs_list = profileCombo->itemData( i ).toString().split( "|" );
 246     if( qs_list.count() < 6 )
 247         return;
 248
 249     positionCombo->setCurrentIndex( positionCombo->findData( qs_list[0].toInt() ) );
 250     controller1->resetLine( qs_list[1] );
 251     controller2->resetLine( qs_list[2] );
 252     controllerA->resetLine( qs_list[3] );
 253     controller->resetLine( qs_list[4] );
 254     controllerFSC->resetLine( qs_list[5] );
 255 }
 256
 257 void ToolbarEditDialog::close()
 258 {
 259     msg_Dbg( p_intf, "Close and save" );
 260     getSettings()->setValue( "MainWindow/ToolbarPos",
 261             positionCombo->itemData( positionCombo->currentIndex() ).toInt() );
 262     getSettings()->setValue( "MainWindow/MainToolbar1", controller1->getValue() );
 263     getSettings()->setValue( "MainWindow/MainToolbar2", controller2->getValue() );
 264     getSettings()->setValue( "MainWindow/AdvToolbar", controllerA->getValue() );
 265     getSettings()->setValue( "MainWindow/InputToolbar", controller->getValue() );
 266     getSettings()->setValue( "MainWindow/FSCtoolbar", controllerFSC->getValue() );
 267     getSettings()->sync();
 268     accept();
 269 }
 270
 271 void ToolbarEditDialog::cancel()
 272 {
 273     reject();
 274 }
 275
 276 /************************************************
 277  *  Widget Listing:
 278  * Creation of the list of drawed lovely buttons
 279  ************************************************/
 280 WidgetListing::WidgetListing( intf_thread_t *p_intf, QWidget *_parent )
 281               : QListWidget( _parent )
 282 {
 283     /* We need the parent to know the options checked */
 284     parent = qobject_cast<ToolbarEditDialog *>(_parent);
 285     assert( parent );
 286
 287     /* Normal options */
 288     setViewMode( QListView::IconMode );
 289     setSpacing( 20 );
 290     setDragEnabled( true );
 291
 292     /* All the buttons do not need a special rendering */
 293     for( int i = 0; i < BUTTON_MAX; i++ )
 294     {
 295         QListWidgetItem *widgetItem = new QListWidgetItem( this );
 296         widgetItem->setText( qtr( nameL[i] ) );
 297         widgetItem->setIcon( QIcon( iconL[i] ) );
 298         widgetItem->setData( Qt::UserRole, QVariant( i ) );
 299         addItem( widgetItem );
 300     }
 301
 302     /* Spacers are yet again a different thing */
 303     QListWidgetItem *widgetItem = new QListWidgetItem( QIcon( ":/toolbar/space" ),
 304             qtr( "Spacer" ), this );
 305     widgetItem->setData( Qt::UserRole, WIDGET_SPACER );
 306     addItem( widgetItem );
 307
 308     widgetItem = new QListWidgetItem( QIcon( ":/toolbar/space" ),
 309             qtr( "Expanding Spacer" ), this );
 310     widgetItem->setData( Qt::UserRole, WIDGET_SPACER_EXTEND );
 311     addItem( widgetItem );
 312
 313     /**
 314      * For all other widgets, we create then, do a pseudo rendering in
 315      * a pixmaps for the view, and delete the object
 316      *
 317      * A lot of code is retaken from the Abstract, but not exactly...
 318      * So, rewrite.
 319      * They are better ways to deal with this, but I doubt that this is
 320      * necessary. If you feel like you have the time, be my guest.
 321      * --
 322      * jb
 323      **/
 324     for( int i = SPLITTER; i < SPECIAL_MAX; i++ )
 325     {
 326         QWidget *widget = NULL;
 327         QListWidgetItem *widgetItem = new QListWidgetItem( this );
 328         switch( i )
 329         {
 330         case SPLITTER:
 331             {
 332                 QFrame *line = new QFrame( this );
 333                 line->setFrameShape( QFrame::VLine );
 334                 line->setFrameShadow( QFrame::Raised );
 335                 line->setLineWidth( 0 ); line->setMidLineWidth( 1 );
 336                 widget = line;
 337             }
 338             widgetItem->setText( qtr("Splitter") );
 339             break;
 340         case INPUT_SLIDER:
 341             {
 342                 SeekSlider *slider = new SeekSlider( Qt::Horizontal, this );
 343                 widget = slider;
 344             }
 345             widgetItem->setText( qtr("Time Slider") );
 346             break;
 347         case VOLUME:
 348             {
 349                 SoundWidget *snd = new SoundWidget( this, p_intf,
 350                         parent->getOptions() & WIDGET_SHINY );
 351                 widget = snd;
 352             }
 353             widgetItem->setText( qtr("Volume") );
 354             break;
 355         case VOLUME_SPECIAL:
 356             {
 357                 QListWidgetItem *widgetItem = new QListWidgetItem( this );
 358                 widgetItem->setText( qtr("Small Volume") );
 359                 widgetItem->setIcon( QIcon( ":/toolbar/volume-medium" ) );
 360                 widgetItem->setData( Qt::UserRole, QVariant( i ) );
 361                 addItem( widgetItem );
 362             }
 363             continue;
 364         case TIME_LABEL:
 365             {
 366                 QLabel *timeLabel = new QLabel( "12:42/2:12:42", this );
 367                 widget = timeLabel;
 368             }
 369             widgetItem->setText( qtr("Time") );
 370             break;
 371         case MENU_BUTTONS:
 372             {
 373                 QWidget *discFrame = new QWidget( this );
 374                 //discFrame->setLineWidth( 1 );
 375                 QHBoxLayout *discLayout = new QHBoxLayout( discFrame );
 376                 discLayout->setSpacing( 0 ); discLayout->setMargin( 0 );
 377
 378                 QToolButton *prevSectionButton = new QToolButton( discFrame );
 379                 prevSectionButton->setIcon( QIcon( ":/toolbar/dvd_prev" ) );
 380                 prevSectionButton->setToolTip( qtr("Previous chapter") );
 381                 discLayout->addWidget( prevSectionButton );
 382
 383                 QToolButton *menuButton = new QToolButton( discFrame );
 384                 menuButton->setIcon( QIcon( ":/toolbar/dvd_menu" ) );
 385                 menuButton->setToolTip( qtr("Go to the DVD menu") );
 386                 discLayout->addWidget( menuButton );
 387
 388                 QToolButton *nextButton = new QToolButton( discFrame );
 389                 nextButton->setIcon( QIcon( ":/toolbar/dvd_next" ) );
 390                 nextButton->setToolTip( qtr("Next chapter") );
 391                 discLayout->addWidget( nextButton );
 392
 393                 widget = discFrame;
 394             }
 395             widgetItem->setText( qtr("DVD menus") );
 396             break;
 397         case TELETEXT_BUTTONS:
 398             {
 399                 QWidget *telexFrame = new QWidget( this );
 400                 QHBoxLayout *telexLayout = new QHBoxLayout( telexFrame );
 401                 telexLayout->setSpacing( 0 ); telexLayout->setMargin( 0 );
 402
 403                 QToolButton *telexOn = new QToolButton( telexFrame );
 404                 telexOn->setIcon( QIcon( ":/toolbar/tv" ) );
 405                 telexLayout->addWidget( telexOn );
 406
 407                 QToolButton *telexTransparent = new QToolButton;
 408                 telexTransparent->setIcon( QIcon( ":/toolbar/tvtelx" ) );
 409                 telexTransparent->setToolTip( qtr("Teletext transparency") );
 410                 telexLayout->addWidget( telexTransparent );
 411
 412                 QSpinBox *telexPage = new QSpinBox;
 413                 telexLayout->addWidget( telexPage );
 414
 415                 widget = telexFrame;
 416             }
 417             widgetItem->setText( qtr("Teletext") );
 418             break;
 419         case ADVANCED_CONTROLLER:
 420             {
 421                 AdvControlsWidget *advControls = new AdvControlsWidget( p_intf, this );
 422                 widget = advControls;
 423             }
 424             widgetItem->setText( qtr("Advanced Buttons") );
 425             break;
 426         case PLAYBACK_BUTTONS:
 427             {
 428                 widget = new QWidget;
 429                 DeckButtonsLayout *layout = new DeckButtonsLayout( widget );
 430                 BrowseButton *prev = new BrowseButton( widget, BrowseButton::Backward );
 431                 BrowseButton *next = new BrowseButton( widget );
 432                 RoundButton *play = new RoundButton( widget );
 433                 layout->setBackwardButton( prev );
 434                 layout->setForwardButton( next );
 435                 layout->setRoundButton( play );
 436             }
 437             break;
 438         default:
 439             msg_Warn( p_intf, "This should not happen %i", i );
 440             break;
 441         }
 442
 443         if( widget == NULL ) continue;
 444
 445
 446         widgetItem->setIcon( QIcon( QPixmap::grabWidget( widget ) ) );
 447         widget->hide();
 448         widgetItem->setData( Qt::UserRole, QVariant( i ) );
 449
 450         addItem( widgetItem );
 451         delete widget;
 452     }
 453 }
 454
 455 void WidgetListing::startDrag( Qt::DropActions /*supportedActions*/ )
 456 {
 457     QListWidgetItem *item = currentItem();
 458
 459     QByteArray itemData;
 460     QDataStream dataStream( &itemData, QIODevice::WriteOnly );
 461
 462     int i_type = item->data( Qt::UserRole ).toInt();
 463     int i_option = parent->getOptions();
 464     dataStream << i_type << i_option;
 465
 466     /* Create a new dragging event */
 467     QDrag *drag = new QDrag( this );
 468
 469     /* With correct mimedata */
 470     QMimeData *mimeData = new QMimeData;
 471     mimeData->setData( "vlc/button-bar", itemData );
 472     drag->setMimeData( mimeData );
 473
 474     /* And correct pixmap */
 475     QPixmap aPixmap = item->icon().pixmap( QSize( 22, 22 ) );
 476     drag->setPixmap( aPixmap );
 477     drag->setHotSpot( QPoint( 20, 20 ) );
 478
 479     /* We want to keep a copy */
 480     drag->exec( Qt::CopyAction | Qt::MoveAction );
 481 }
 482
 483 /*
 484  * The special controller with drag'n drop abilities.
 485  * We don't do this in the main controller, since we don't want the OverHead
 486  * to propagate there too
 487  */
 488 DroppingController::DroppingController( intf_thread_t *_p_intf,
 489                                         const QString& line,
 490                                         QWidget *_parent )
 491                    : AbstractController( _p_intf, _parent )
 492 {
 493     RTL_UNAFFECTED_WIDGET
 494     rubberband = NULL;
 495     b_draging = false;
 496     setAcceptDrops( true );
 497     controlLayout = new QHBoxLayout( this );
 498     controlLayout->setSpacing( 5 );
 499     controlLayout->setMargin( 0 );
 500     setFrameShape( QFrame::StyledPanel );
 501     setFrameShadow( QFrame::Raised );
 502
 503     parseAndCreate( line, controlLayout );
 504 }
 505
 506 void DroppingController::resetLine( const QString& line )
 507 {
 508     hide();
 509     QLayoutItem *child;
 510     while( (child = controlLayout->takeAt( 0 ) ) != 0 )
 511     {
 512         child->widget()->hide();
 513         delete child;
 514     }
 515
 516     parseAndCreate( line, controlLayout );
 517     show();
 518 }
 519
 520 /* Overloading the AbstractController one, because we don't manage the
 521    Spacing items in the same ways */
 522 void DroppingController::createAndAddWidget( QBoxLayout *controlLayout,
 523                                              int i_index,
 524                                              buttonType_e i_type,
 525                                              int i_option )
 526 {
 527     doubleInt *value = new doubleInt;
 528     value->i_type = i_type;
 529     value->i_option = i_option;
 530
 531     /* Special case for SPACERS, who aren't QWidgets */
 532     if( i_type == WIDGET_SPACER || i_type == WIDGET_SPACER_EXTEND )
 533     {
 534         QLabel *label = new QLabel( this );
 535         label->setPixmap( QPixmap( ":/toolbar/space" ) );
 536         if( i_type == WIDGET_SPACER_EXTEND )
 537         {
 538             label->setSizePolicy( QSizePolicy::MinimumExpanding,
 539                     QSizePolicy::Preferred );
 540
 541             /* Create a box around it */
 542             label->setFrameStyle( QFrame::Panel | QFrame::Sunken );
 543             label->setLineWidth ( 1 );
 544             label->setAlignment( Qt::AlignCenter );
 545         }
 546         else
 547             label->setSizePolicy( QSizePolicy::Fixed,
 548                     QSizePolicy::Preferred );
 549
 550         /* Install event Filter for drag'n drop */
 551         label->installEventFilter( this );
 552         controlLayout->insertWidget( i_index, label );
 553     }
 554
 555     /* Normal Widgets */
 556     else
 557     {
 558         QWidget *widg = createWidget( i_type, i_option );
 559         if( !widg ) return;
 560
 561         /* Install the Event Filter in order to catch the drag */
 562         widg->setParent( this );
 563         widg->installEventFilter( this );
 564
 565         /* We are in a complex widget, we need to stop events on children too */
 566         if( i_type >= VOLUME && i_type < SPECIAL_MAX )
 567         {
 568             QList<QObject *>children = widg->children();
 569
 570             QObject *child;
 571             foreach( child, children )
 572             {
 573                 QWidget *childWidg;
 574                 if( ( childWidg = qobject_cast<QWidget *>( child ) ) )
 575                 {
 576                     child->installEventFilter( this );
 577                     childWidg->setEnabled( true );
 578                 }
 579             }
 580
 581             /* Decorating the frames when possible */
 582             QFrame *frame;
 583             if( i_type >= MENU_BUTTONS  /* Don't bother to check for volume */
 584                 && ( frame = qobject_cast<QFrame *>( widg ) ) != NULL )
 585             {
 586                 frame->setFrameStyle( QFrame::Panel | QFrame::Raised );
 587                 frame->setLineWidth ( 1 );
 588             }
 589         }
 590
 591         /* Some Widgets are deactivated at creation */
 592         widg->setEnabled( true );
 593         widg->show();
 594         controlLayout->insertWidget( i_index, widg );
 595     }
 596
 597     /* QList and QBoxLayout don't act the same with insert() */
 598     if( i_index < 0 ) i_index = controlLayout->count() - 1;
 599
 600     widgetList.insert( i_index, value );
 601 }
 602
 603 DroppingController::~DroppingController()
 604 {
 605     qDeleteAll( widgetList );
 606     widgetList.clear();
 607 }
 608
 609 QString DroppingController::getValue()
 610 {
 611     QString qs = "";
 612
 613     for( int i = 0; i < controlLayout->count(); i++ )
 614     {
 615         doubleInt *dI = widgetList.at( i );
 616         assert( dI );
 617
 618         qs.append( QString::number( dI->i_type ) );
 619         if( dI->i_option ) qs.append( "-" + QString::number( dI->i_option ) );
 620         qs.append( ';' );
 621     }
 622     return qs;
 623 }
 624
 625 void DroppingController::dragEnterEvent( QDragEnterEvent * event )
 626 {
 627     if( event->mimeData()->hasFormat( "vlc/button-bar" ) )
 628         event->accept();
 629     else
 630         event->ignore();
 631 }
 632
 633 void DroppingController::dragMoveEvent( QDragMoveEvent *event )
 634 {
 635     QPoint origin = event->pos();
 636
 637     int i_pos = getParentPosInLayout( origin );
 638     bool b_end = false;
 639
 640     /* Both sides of the frame */
 641     if( i_pos == -1 )
 642     {
 643         if( rubberband ) rubberband->hide();
 644         return;
 645     }
 646
 647     /* Last item is special because of underlying items */
 648     if( i_pos >= controlLayout->count() )
 649     {
 650         i_pos--;
 651         b_end = true;
 652     }
 653
 654     /* Query the underlying item for size && middles */
 655     QLayoutItem *tempItem = controlLayout->itemAt( i_pos ); assert( tempItem );
 656     QWidget *temp = tempItem->widget(); assert( temp );
 657
 658     /* Position assignment */
 659     origin.ry() = 0;
 660     origin.rx() = temp->x() - 2;
 661
 662     if( b_end ) origin.rx() += temp->width();
 663
 664     if( !rubberband )
 665         rubberband = new QRubberBand( QRubberBand::Line, this );
 666     rubberband->setGeometry( origin.x(), origin.y(), 4, height() );
 667     rubberband->show();
 668 }
 669
 670 inline int DroppingController::getParentPosInLayout( QPoint point )
 671 {
 672     point.ry() = height() / 2 ;
 673     QPoint origin = mapToGlobal ( point );
 674
 675     QWidget *tempWidg = QApplication::widgetAt( origin );
 676     if( tempWidg == NULL )
 677         return -1;
 678
 679     int i = controlLayout->indexOf( tempWidg );
 680     if( i == -1 )
 681     {
 682         i = controlLayout->indexOf( tempWidg->parentWidget() );
 683         tempWidg = tempWidg->parentWidget();
 684     }
 685
 686     /* Return the nearest position */
 687     if( ( point.x() - tempWidg->x()  > tempWidg->width() / 2 ) && i != -1 )
 688         i++;
 689
 690     //    msg_Dbg( p_intf, "%i", i);
 691     return i;
 692 }
 693
 694 void DroppingController::dropEvent( QDropEvent *event )
 695 {
 696     int i = getParentPosInLayout( event->pos() );
 697
 698     /* Workaround: do not let the item move to its current
 699        position + 1 as it breaks the widgetList */
 700     if ( i - 1 == i_dragIndex )
 701         --i;
 702
 703     QByteArray data = event->mimeData()->data( "vlc/button-bar" );
 704     QDataStream dataStream(&data, QIODevice::ReadOnly);
 705
 706     int i_option = 0, i_type = 0;
 707     dataStream >> i_type >> i_option;
 708
 709     createAndAddWidget( controlLayout, i, (buttonType_e)i_type, i_option );
 710
 711     /* Hide by precaution, you don't exactly know what could have happened in
 712        between */
 713     if( rubberband ) rubberband->hide();
 714 }
 715
 716 void DroppingController::dragLeaveEvent ( QDragLeaveEvent * event )
 717 {
 718     if( rubberband ) rubberband->hide();
 719     event->accept();
 720 }
 721
 722 /**
 723  * Overloading doAction to block any action
 724  **/
 725 void DroppingController::doAction( int i )
 726 {
 727     VLC_UNUSED( i );
 728 }
 729
 730 bool DroppingController::eventFilter( QObject *obj, QEvent *event )
 731 {
 732     switch( event->type() )
 733     {
 734         case QEvent::MouseButtonPress:
 735             b_draging = true;
 736             return true;
 737         case QEvent::MouseButtonRelease:
 738             b_draging = false;
 739             return true;
 740         case QEvent::MouseMove:
 741             {
 742             if( !b_draging ) return true;
 743             QWidget *widg = static_cast<QWidget*>(obj);
 744
 745             QByteArray itemData;
 746             QDataStream dataStream( &itemData, QIODevice::WriteOnly );
 747
 748             int i = -1;
 749             i = controlLayout->indexOf( widg );
 750             if( i == -1 )
 751             {
 752                 i = controlLayout->indexOf( widg->parentWidget() );
 753                 widg = widg->parentWidget();
 754                 /* NOTE: be extra-careful Now with widg access */
 755             }
 756
 757             if( i == -1 ) return true;
 758             i_dragIndex = i;
 759
 760             doubleInt *dI = widgetList.at( i );
 761
 762             int i_type = dI->i_type;
 763             int i_option = dI->i_option;
 764             dataStream << i_type << i_option;
 765
 766             /* With correct mimedata */
 767             QMimeData *mimeData = new QMimeData;
 768             mimeData->setData( "vlc/button-bar", itemData );
 769
 770             QDrag *drag = new QDrag( widg );
 771             drag->setMimeData( mimeData );
 772
 773             /* Remove before the drag to not mess DropEvent,
 774                that will createAndAddWidget */
 775             widgetList.removeAt( i );
 776
 777             /* Start the effective drag */
 778             drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::MoveAction);
 779             widg->hide();
 780             controlLayout->removeWidget( widg );
 781             b_draging = false;
 782             }
 783             return true;
 784
 785         case QEvent::MouseButtonDblClick:
 786         case QEvent::EnabledChange:
 787         case QEvent::Hide:
 788         case QEvent::HideToParent:
 789         case QEvent::Move:
 790         case QEvent::ZOrderChange:
 791             return true;
 792         default:
 793             return false;
 794     }
 795 }