src/uisupport/bufferview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2016 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "bufferview.h"
  22
  23 #include <QApplication>
  24 #include <QAction>
  25 #include <QFlags>
  26 #include <QHeaderView>
  27 #include <QLineEdit>
  28 #include <QMenu>
  29 #include <QMessageBox>
  30 #include <QSet>
  31
  32 #include "action.h"
  33 #include "buffermodel.h"
  34 #include "bufferviewfilter.h"
  35 #include "buffersettings.h"
  36 #include "buffersyncer.h"
  37 #include "client.h"
  38 #include "contextmenuactionprovider.h"
  39 #include "graphicalui.h"
  40 #include "network.h"
  41 #include "networkmodel.h"
  42 #include "contextmenuactionprovider.h"
  43
  44 /*****************************************
  45 * The TreeView showing the Buffers
  46 *****************************************/
  47 // Please be carefull when reimplementing methods which are used to inform the view about changes to the data
  48 // to be on the safe side: call QTreeView's method aswell (or TreeViewTouch's)
  49 BufferView::BufferView(QWidget *parent)
  50     : TreeViewTouch(parent)
  51 {
  52     connect(this, SIGNAL(collapsed(const QModelIndex &)), SLOT(storeExpandedState(const QModelIndex &)));
  53     connect(this, SIGNAL(expanded(const QModelIndex &)), SLOT(storeExpandedState(const QModelIndex &)));
  54
  55     setSelectionMode(QAbstractItemView::ExtendedSelection);
  56
  57     QAbstractItemDelegate *oldDelegate = itemDelegate();
  58     BufferViewDelegate *tristateDelegate = new BufferViewDelegate(this);
  59     setItemDelegate(tristateDelegate);
  60     delete oldDelegate;
  61 }
  62
  63
  64 void BufferView::init()
  65 {
  66     header()->setContextMenuPolicy(Qt::ActionsContextMenu);
  67     hideColumn(1);
  68     hideColumn(2);
  69     setIndentation(10);
  70
  71     expandAll();
  72
  73     header()->hide(); // nobody seems to use this anyway
  74
  75     // breaks with Qt 4.8
  76     if (QString("4.8.0") > qVersion()) // FIXME breaks with Qt versions >= 4.10!
  77         setAnimated(true);
  78
  79     // FIXME This is to workaround bug #663
  80     setUniformRowHeights(true);
  81
  82 #ifndef QT_NO_DRAGANDDROP
  83     setDragEnabled(true);
  84     setAcceptDrops(true);
  85     setDropIndicatorShown(true);
  86 #endif
  87
  88     setSortingEnabled(true);
  89     sortByColumn(0, Qt::AscendingOrder);
  90
  91     // activated() fails on X11 and Qtopia at least
  92 #if defined Q_WS_QWS || defined Q_WS_X11
  93     disconnect(this, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
  94     connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(joinChannel(QModelIndex)));
  95 #else
  96     // afaik this is better on Mac and Windows
  97     disconnect(this, SIGNAL(activated(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
  98     connect(this, SIGNAL(activated(QModelIndex)), SLOT(joinChannel(QModelIndex)));
  99 #endif
 100 }
 101
 102
 103 void BufferView::setModel(QAbstractItemModel *model)
 104 {
 105     delete selectionModel();
 106
 107     TreeViewTouch::setModel(model);
 108     init();
 109     // remove old Actions
 110     QList<QAction *> oldactions = header()->actions();
 111     foreach(QAction *action, oldactions) {
 112         header()->removeAction(action);
 113         action->deleteLater();
 114     }
 115
 116     if (!model)
 117         return;
 118
 119     QString sectionName;
 120     QAction *showSection;
 121     for (int i = 1; i < model->columnCount(); i++) {
 122         sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString();
 123         showSection = new QAction(sectionName, header());
 124         showSection->setCheckable(true);
 125         showSection->setChecked(!isColumnHidden(i));
 126         showSection->setProperty("column", i);
 127         connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
 128         header()->addAction(showSection);
 129     }
 130
 131     connect(model, SIGNAL(layoutChanged()), this, SLOT(on_layoutChanged()));
 132 }
 133
 134
 135 void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *config)
 136 {
 137     BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
 138     if (filter) {
 139         filter->setConfig(config);
 140         setConfig(config);
 141         return;
 142     }
 143
 144     if (model()) {
 145         disconnect(this, 0, model(), 0);
 146         disconnect(model(), 0, this, 0);
 147     }
 148
 149     if (!model_) {
 150         setModel(model_);
 151     }
 152     else {
 153         BufferViewFilter *filter = new BufferViewFilter(model_, config);
 154         setModel(filter);
 155         connect(filter, SIGNAL(configChanged()), this, SLOT(on_configChanged()));
 156     }
 157     setConfig(config);
 158 }
 159
 160
 161 void BufferView::setConfig(BufferViewConfig *config)
 162 {
 163     if (_config == config)
 164         return;
 165
 166     if (_config) {
 167         disconnect(_config, 0, this, 0);
 168     }
 169
 170     _config = config;
 171     if (config) {
 172         connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &)));
 173         setRootIndexForNetworkId(config->networkId());
 174     }
 175     else {
 176         setIndentation(10);
 177         setRootIndex(QModelIndex());
 178     }
 179 }
 180
 181
 182 void BufferView::setRootIndexForNetworkId(const NetworkId &networkId)
 183 {
 184     if (!networkId.isValid() || !model()) {
 185         setIndentation(10);
 186         setRootIndex(QModelIndex());
 187     }
 188     else {
 189         setIndentation(5);
 190         int networkCount = model()->rowCount();
 191         QModelIndex child;
 192         for (int i = 0; i < networkCount; i++) {
 193             child = model()->index(i, 0);
 194             if (networkId == model()->data(child, NetworkModel::NetworkIdRole).value<NetworkId>())
 195                 setRootIndex(child);
 196         }
 197     }
 198 }
 199
 200
 201 void BufferView::joinChannel(const QModelIndex &index)
 202 {
 203     BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
 204
 205     if (bufferType != BufferInfo::ChannelBuffer)
 206         return;
 207
 208     BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 209
 210     Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 211 }
 212
 213 void BufferView::keyPressEvent(QKeyEvent *event)
 214 {
 215     if (event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
 216         event->accept();
 217         removeSelectedBuffers();
 218     }
 219         TreeViewTouch::keyPressEvent(event);
 220 }
 221
 222
 223 void BufferView::dropEvent(QDropEvent *event)
 224 {
 225     QModelIndex index = indexAt(event->pos());
 226
 227     QRect indexRect = visualRect(index);
 228     QPoint cursorPos = event->pos();
 229
 230     // check if we're really _on_ the item and not indicating a move to just above or below the item
 231     const int margin = 2;
 232     if (cursorPos.y() - indexRect.top() < margin
 233         || indexRect.bottom() - cursorPos.y() < margin)
 234         return TreeViewTouch::dropEvent(event);
 235
 236     QList<QPair<NetworkId, BufferId> > bufferList = Client::networkModel()->mimeDataToBufferList(event->mimeData());
 237     if (bufferList.count() != 1)
 238         return TreeViewTouch::dropEvent(event);
 239
 240     BufferId bufferId2 = bufferList[0].second;
 241
 242     if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
 243         return TreeViewTouch::dropEvent(event);
 244
 245     if (index.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
 246         return TreeViewTouch::dropEvent(event);
 247
 248     BufferId bufferId1 = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 249     if (bufferId1 == bufferId2)
 250         return TreeViewTouch::dropEvent(event);
 251
 252     int res = QMessageBox::question(0, tr("Merge buffers permanently?"),
 253         tr("Do you want to merge the buffer \"%1\" permanently into buffer \"%2\"?\n This cannot be reversed!").arg(Client::networkModel()->bufferName(bufferId2)).arg(Client::networkModel()->bufferName(bufferId1)),
 254         QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
 255     if (res == QMessageBox::Yes) {
 256         Client::mergeBuffersPermanently(bufferId1, bufferId2);
 257     }
 258 }
 259
 260
 261 void BufferView::removeSelectedBuffers(bool permanently)
 262 {
 263     if (!config())
 264         return;
 265
 266     BufferId bufferId;
 267     QSet<BufferId> removedRows;
 268     foreach(QModelIndex index, selectionModel()->selectedIndexes()) {
 269         if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
 270             continue;
 271
 272         bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 273         if (removedRows.contains(bufferId))
 274             continue;
 275
 276         removedRows << bufferId;
 277     }
 278
 279     foreach(BufferId bufferId, removedRows) {
 280         if (permanently)
 281             config()->requestRemoveBufferPermanently(bufferId);
 282         else
 283             config()->requestRemoveBuffer(bufferId);
 284     }
 285 }
 286
 287
 288 void BufferView::rowsInserted(const QModelIndex &parent, int start, int end)
 289 {
 290         TreeViewTouch::rowsInserted(parent, start, end);
 291
 292     // ensure that newly inserted network nodes are expanded per default
 293     if (parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 294         return;
 295
 296     setExpandedState(parent);
 297 }
 298
 299
 300 void BufferView::on_layoutChanged()
 301 {
 302     int numNets = model()->rowCount(QModelIndex());
 303     for (int row = 0; row < numNets; row++) {
 304         QModelIndex networkIdx = model()->index(row, 0, QModelIndex());
 305         setExpandedState(networkIdx);
 306     }
 307 }
 308
 309
 310 void BufferView::on_configChanged()
 311 {
 312     Q_ASSERT(model());
 313
 314     // expand all active networks... collapse inactive ones... unless manually changed
 315     QModelIndex networkIdx;
 316     NetworkId networkId;
 317     for (int row = 0; row < model()->rowCount(); row++) {
 318         networkIdx = model()->index(row, 0);
 319         if (model()->rowCount(networkIdx) ==  0)
 320             continue;
 321
 322         networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
 323         if (!networkId.isValid())
 324             continue;
 325
 326         setExpandedState(networkIdx);
 327     }
 328
 329     if (config()) {
 330         // update selection to current one
 331         Client::bufferModel()->synchronizeView(this);
 332     }
 333 }
 334
 335
 336 void BufferView::storeExpandedState(const QModelIndex &networkIdx)
 337 {
 338     NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
 339
 340     int oldState = 0;
 341     if (isExpanded(networkIdx))
 342         oldState |= WasExpanded;
 343     if (model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool())
 344         oldState |= WasActive;
 345
 346     _expandedState[networkId] = oldState;
 347 }
 348
 349
 350 void BufferView::setExpandedState(const QModelIndex &networkIdx)
 351 {
 352     if (model()->data(networkIdx, NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 353         return;
 354
 355     if (model()->rowCount(networkIdx) == 0)
 356         return;
 357
 358     NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
 359
 360     bool networkActive = model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool();
 361     bool expandNetwork = networkActive;
 362     if (_expandedState.contains(networkId)) {
 363         int oldState = _expandedState[networkId];
 364         if ((bool)(oldState & WasActive) == networkActive)
 365             expandNetwork = (bool)(oldState & WasExpanded);
 366     }
 367
 368     if (expandNetwork != isExpanded(networkIdx)) {
 369         update(networkIdx);
 370         setExpanded(networkIdx, expandNetwork);
 371     }
 372     storeExpandedState(networkIdx); // this call is needed to keep track of the isActive state
 373 }
 374
 375 #if QT_VERSION < 0x050000
 376 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
 377 {
 378         TreeViewTouch::dataChanged(topLeft, bottomRight);
 379 #else
 380 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles)
 381 {
 382         TreeViewTouch::dataChanged(topLeft, bottomRight, roles);
 383 #endif
 384
 385     // determine how many items have been changed and if any of them is a networkitem
 386     // which just swichted from active to inactive or vice versa
 387     if (topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 388         return;
 389
 390     for (int i = topLeft.row(); i <= bottomRight.row(); i++) {
 391         QModelIndex networkIdx = topLeft.sibling(i, 0);
 392         setExpandedState(networkIdx);
 393     }
 394 }
 395
 396
 397 void BufferView::toggleHeader(bool checked)
 398 {
 399     QAction *action = qobject_cast<QAction *>(sender());
 400     header()->setSectionHidden((action->property("column")).toInt(), !checked);
 401 }
 402
 403
 404 void BufferView::contextMenuEvent(QContextMenuEvent *event)
 405 {
 406     QModelIndex index = indexAt(event->pos());
 407     if (!index.isValid())
 408         index = rootIndex();
 409
 410     QMenu contextMenu(this);
 411
 412     if (index.isValid()) {
 413         addActionsToMenu(&contextMenu, index);
 414     }
 415
 416     addFilterActions(&contextMenu, index);
 417
 418     if (!contextMenu.actions().isEmpty())
 419         contextMenu.exec(QCursor::pos());
 420 }
 421
 422
 423 void BufferView::addActionsToMenu(QMenu *contextMenu, const QModelIndex &index)
 424 {
 425     QModelIndexList indexList = selectedIndexes();
 426     // make sure the item we clicked on is first
 427     indexList.removeAll(index);
 428     indexList.prepend(index);
 429
 430     GraphicalUi::contextMenuActionProvider()->addActions(contextMenu, indexList, this, "menuActionTriggered", (bool)config());
 431 }
 432
 433
 434 void BufferView::addFilterActions(QMenu *contextMenu, const QModelIndex &index)
 435 {
 436     BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
 437     if (filter) {
 438         QList<QAction *> filterActions = filter->actions(index);
 439         if (!filterActions.isEmpty()) {
 440             contextMenu->addSeparator();
 441             foreach(QAction *action, filterActions) {
 442                 contextMenu->addAction(action);
 443             }
 444         }
 445     }
 446 }
 447
 448
 449 void BufferView::menuActionTriggered(QAction *result)
 450 {
 451     ContextMenuActionProvider::ActionType type = (ContextMenuActionProvider::ActionType)result->data().toInt();
 452     switch (type) {
 453     case ContextMenuActionProvider::HideBufferTemporarily:
 454         removeSelectedBuffers();
 455         break;
 456     case ContextMenuActionProvider::HideBufferPermanently:
 457         removeSelectedBuffers(true);
 458         break;
 459     default:
 460         return;
 461     }
 462 }
 463
 464
 465 void BufferView::nextBuffer()
 466 {
 467     changeBuffer(Forward);
 468 }
 469
 470
 471 void BufferView::previousBuffer()
 472 {
 473     changeBuffer(Backward);
 474 }
 475
 476
 477 void BufferView::changeBuffer(Direction direction)
 478 {
 479     QModelIndex currentIndex = selectionModel()->currentIndex();
 480     QModelIndex resultingIndex;
 481
 482     if (currentIndex.parent().isValid()) {
 483         //If we are a child node just switch among siblings unless it's the first/last child
 484         resultingIndex = currentIndex.sibling(currentIndex.row() + direction, 0);
 485
 486         if (!resultingIndex.isValid()) {
 487             QModelIndex parent = currentIndex.parent();
 488             if (direction == Backward)
 489                 resultingIndex = parent;
 490             else
 491                 resultingIndex = parent.sibling(parent.row() + direction, 0);
 492         }
 493     }
 494     else {
 495         //If we have a toplevel node, try and get an adjacent child
 496         if (direction == Backward) {
 497             QModelIndex newParent = currentIndex.sibling(currentIndex.row() - 1, 0);
 498             if (model()->hasChildren(newParent))
 499                 resultingIndex = newParent.child(model()->rowCount(newParent) - 1, 0);
 500             else
 501                 resultingIndex = newParent;
 502         }
 503         else {
 504             if (model()->hasChildren(currentIndex))
 505                 resultingIndex = currentIndex.child(0, 0);
 506             else
 507                 resultingIndex = currentIndex.sibling(currentIndex.row() + 1, 0);
 508         }
 509     }
 510
 511     if (!resultingIndex.isValid())
 512         return;
 513
 514     selectionModel()->setCurrentIndex(resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
 515     selectionModel()->select(resultingIndex, QItemSelectionModel::ClearAndSelect);
 516 }
 517
 518
 519 void BufferView::wheelEvent(QWheelEvent *event)
 520 {
 521     if (ItemViewSettings().mouseWheelChangesBuffer() == (bool)(event->modifiers() & Qt::AltModifier))
 522         return TreeViewTouch::wheelEvent(event);
 523
 524     int rowDelta = (event->delta() > 0) ? -1 : 1;
 525     changeBuffer((Direction)rowDelta);
 526 }
 527
 528
 529 void BufferView::hideCurrentBuffer()
 530 {
 531     QModelIndex index = selectionModel()->currentIndex();
 532     if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
 533         return;
 534
 535     BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 536
 537     //The check above means we won't be looking at a network, which should always be the first row, so we can just go backwards.
 538     changeBuffer(Backward);
 539
 540     /*if(removedRows.contains(bufferId))
 541       continue;
 542
 543     removedRows << bufferId;*/
 544     /*if(permanently)
 545       config()->requestRemoveBufferPermanently(bufferId);
 546     else*/
 547     config()->requestRemoveBuffer(bufferId);
 548 }
 549
 550
 551 QSize BufferView::sizeHint() const
 552 {
 553     return TreeViewTouch::sizeHint();
 554
 555     if (!model())
 556         return TreeViewTouch::sizeHint();
 557
 558     if (model()->rowCount() == 0)
 559         return QSize(120, 50);
 560
 561     int columnSize = 0;
 562     for (int i = 0; i < model()->columnCount(); i++) {
 563         if (!isColumnHidden(i))
 564             columnSize += sizeHintForColumn(i);
 565     }
 566     return QSize(columnSize, 50);
 567 }
 568
 569
 570 // ****************************************
 571 //  BufferViewDelgate
 572 // ****************************************
 573 class ColorsChangedEvent : public QEvent
 574 {
 575 public:
 576     ColorsChangedEvent() : QEvent(QEvent::User) {};
 577 };
 578
 579
 580 BufferViewDelegate::BufferViewDelegate(QObject *parent)
 581     : QStyledItemDelegate(parent)
 582 {
 583 }
 584
 585
 586 void BufferViewDelegate::customEvent(QEvent *event)
 587 {
 588     if (event->type() != QEvent::User)
 589         return;
 590
 591     event->accept();
 592 }
 593
 594
 595 bool BufferViewDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index)
 596 {
 597     if (event->type() != QEvent::MouseButtonRelease)
 598         return QStyledItemDelegate::editorEvent(event, model, option, index);
 599
 600     if (!(model->flags(index) & Qt::ItemIsUserCheckable))
 601         return QStyledItemDelegate::editorEvent(event, model, option, index);
 602
 603     QVariant value = index.data(Qt::CheckStateRole);
 604     if (!value.isValid())
 605         return QStyledItemDelegate::editorEvent(event, model, option, index);
 606
 607     QStyleOptionViewItemV4 viewOpt(option);
 608     initStyleOption(&viewOpt, index);
 609
 610     QRect checkRect = viewOpt.widget->style()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, viewOpt.widget);
 611     QMouseEvent *me = static_cast<QMouseEvent *>(event);
 612
 613     if (me->button() != Qt::LeftButton || !checkRect.contains(me->pos()))
 614         return QStyledItemDelegate::editorEvent(event, model, option, index);
 615
 616     Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
 617     if (state == Qt::Unchecked)
 618         state = Qt::PartiallyChecked;
 619     else if (state == Qt::PartiallyChecked)
 620         state = Qt::Checked;
 621     else
 622         state = Qt::Unchecked;
 623     model->setData(index, state, Qt::CheckStateRole);
 624     return true;
 625 }
 626
 627
 628 // ==============================
 629 //  BufferView Dock
 630 // ==============================
 631 BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent)
 632     : QDockWidget(parent),
 633     _active(false),
 634     _title(config->bufferViewName())
 635 {
 636     setObjectName("BufferViewDock-" + QString::number(config->bufferViewId()));
 637     toggleViewAction()->setData(config->bufferViewId());
 638     setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
 639     connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &)));
 640     updateTitle();
 641 }
 642
 643
 644 void BufferViewDock::updateTitle()
 645 {
 646     QString title = _title;
 647     if (isActive())
 648         title.prepend(QString::fromUtf8("• "));
 649     setWindowTitle(title);
 650 }
 651
 652
 653 void BufferViewDock::setActive(bool active)
 654 {
 655     if (active != isActive()) {
 656         _active = active;
 657         updateTitle();
 658         if (active)
 659             raise();  // for tabbed docks
 660     }
 661 }
 662
 663
 664 void BufferViewDock::bufferViewRenamed(const QString &newName)
 665 {
 666     _title = newName;
 667     updateTitle();
 668     toggleViewAction()->setText(newName);
 669 }
 670
 671
 672 int BufferViewDock::bufferViewId() const
 673 {
 674     BufferView *view = bufferView();
 675     if (!view)
 676         return 0;
 677
 678     if (view->config())
 679         return view->config()->bufferViewId();
 680     else
 681         return 0;
 682 }
 683
 684
 685 BufferViewConfig *BufferViewDock::config() const
 686 {
 687     BufferView *view = bufferView();
 688     if (!view)
 689         return 0;
 690     else
 691         return view->config();
 692 }