src/uisupport/bufferview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 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  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "bufferview.h"
  22
  23 #include "buffermodel.h"
  24 #include "bufferviewfilter.h"
  25 #include "buffersettings.h"
  26 #include "buffersyncer.h"
  27 #include "client.h"
  28 #include "iconloader.h"
  29 #include "mappedselectionmodel.h"
  30 #include "network.h"
  31 #include "networkmodel.h"
  32
  33 #include "uisettings.h"
  34
  35 #include <QAction>
  36 #include <QFlags>
  37 #include <QHeaderView>
  38 #include <QInputDialog>
  39 #include <QLineEdit>
  40 #include <QMenu>
  41 #include <QMessageBox>
  42 #include <QSet>
  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
  49 BufferView::BufferView(QWidget *parent)
  50   : QTreeView(parent),
  51     showChannelList(tr("Show Channel List"), this),
  52     _connectNetAction(tr("Connect"), this),
  53     _disconnectNetAction(tr("Disconnect"), this),
  54     _joinChannelAction(tr("Join Channel"), this),
  55
  56     _joinBufferAction(tr("Join"), this),
  57     _partBufferAction(tr("Part"), this),
  58     _hideBufferTemporarilyAction(tr("Hide buffers"), this),
  59     _hideBufferPermanentlyAction(tr("Hide buffers permanently"), this),
  60     _removeBufferAction(tr("Delete buffer"), this),
  61     _ignoreListAction(tr("Ignore list"), this),
  62
  63     _hideJoinAction(tr("Join Events"), this),
  64     _hidePartAction(tr("Part Events"), this),
  65     _hideQuitAction(tr("Quit Events"), this),
  66     _hideModeAction(tr("Mode Events"), this)
  67
  68 {
  69   _hideJoinAction.setCheckable(true);
  70   _hidePartAction.setCheckable(true);
  71   _hideQuitAction.setCheckable(true);
  72   _hideModeAction.setCheckable(true);
  73   _ignoreListAction.setEnabled(false);
  74
  75   showChannelList.setIcon(SmallIcon("format-list-unordered"));
  76
  77   connect(this, SIGNAL(collapsed(const QModelIndex &)), this, SLOT(on_collapse(const QModelIndex &)));
  78   connect(this, SIGNAL(expanded(const QModelIndex &)), this, SLOT(on_expand(const QModelIndex &)));
  79
  80   setSelectionMode(QAbstractItemView::ExtendedSelection);
  81 }
  82
  83 void BufferView::init() {
  84   setIndentation(10);
  85   header()->setContextMenuPolicy(Qt::ActionsContextMenu);
  86   hideColumn(1);
  87   hideColumn(2);
  88   expandAll();
  89
  90   setAnimated(true);
  91
  92 #ifndef QT_NO_DRAGANDDROP
  93   setDragEnabled(true);
  94   setAcceptDrops(true);
  95   setDropIndicatorShown(true);
  96 #endif
  97
  98   setSortingEnabled(true);
  99   sortByColumn(0, Qt::AscendingOrder);
 100 #ifndef Q_WS_QWS
 101   // this is a workaround to not join channels automatically... we need a saner way to navigate for qtopia anyway though,
 102   // such as mark first, activate at second click...
 103   connect(this, SIGNAL(activated(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
 104 #else
 105   connect(this, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));  // Qtopia uses single click for activation
 106 #endif
 107 }
 108
 109 void BufferView::setModel(QAbstractItemModel *model) {
 110   delete selectionModel();
 111
 112   QTreeView::setModel(model);
 113   init();
 114   // remove old Actions
 115   QList<QAction *> oldactions = header()->actions();
 116   foreach(QAction *action, oldactions) {
 117     header()->removeAction(action);
 118     action->deleteLater();
 119   }
 120
 121   if(!model)
 122     return;
 123
 124   QString sectionName;
 125   QAction *showSection;
 126   for(int i = 1; i < model->columnCount(); i++) {
 127     sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString();
 128     showSection = new QAction(sectionName, header());
 129     showSection->setCheckable(true);
 130     showSection->setChecked(!isColumnHidden(i));
 131     showSection->setProperty("column", i);
 132     connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
 133     header()->addAction(showSection);
 134   }
 135
 136 }
 137
 138 void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *config) {
 139   BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
 140   if(filter) {
 141     filter->setConfig(config);
 142     setConfig(config);
 143     return;
 144   }
 145
 146   if(model()) {
 147     disconnect(this, 0, model(), 0);
 148     disconnect(model(), 0, this, 0);
 149   }
 150
 151   if(!model_) {
 152     setModel(model_);
 153   } else {
 154     BufferViewFilter *filter = new BufferViewFilter(model_, config);
 155     setModel(filter);
 156     connect(filter, SIGNAL(configChanged()), this, SLOT(on_configChanged()));
 157   }
 158   setConfig(config);
 159 }
 160
 161 void BufferView::setSelectionModel(QItemSelectionModel *selectionModel) {
 162   if(QTreeView::selectionModel())
 163     disconnect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
 164                model(), SIGNAL(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
 165
 166   QTreeView::setSelectionModel(selectionModel);
 167   BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
 168   if(filter) {
 169     connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
 170             filter, SLOT(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
 171   }
 172 }
 173
 174 void BufferView::setConfig(BufferViewConfig *config) {
 175   if(_config == config)
 176     return;
 177
 178   if(_config) {
 179     disconnect(_config, 0, this, 0);
 180   }
 181
 182   _config = config;
 183   if(config) {
 184     connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &)));
 185     setRootIndexForNetworkId(config->networkId());
 186   } else {
 187     setRootIndex(QModelIndex());
 188   }
 189 }
 190
 191 void BufferView::setRootIndexForNetworkId(const NetworkId &networkId) {
 192   if(!networkId.isValid() || !model()) {
 193     setRootIndex(QModelIndex());
 194   } else {
 195     int networkCount = model()->rowCount();
 196     QModelIndex child;
 197     for(int i = 0; i < networkCount; i++) {
 198       child = model()->index(i, 0);
 199       if(networkId == model()->data(child, NetworkModel::NetworkIdRole).value<NetworkId>())
 200         setRootIndex(child);
 201     }
 202   }
 203 }
 204
 205 void BufferView::joinChannel(const QModelIndex &index) {
 206   BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
 207
 208   if(bufferType != BufferInfo::ChannelBuffer)
 209     return;
 210
 211   BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 212
 213   Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 214 }
 215
 216 void BufferView::keyPressEvent(QKeyEvent *event) {
 217   if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
 218     event->accept();
 219     removeSelectedBuffers();
 220   }
 221   QTreeView::keyPressEvent(event);
 222 }
 223
 224 void BufferView::removeSelectedBuffers(bool permanently) {
 225   if(!config())
 226     return;
 227
 228   BufferId bufferId;
 229   QSet<BufferId> removedRows;
 230   foreach(QModelIndex index, selectionModel()->selectedIndexes()) {
 231     if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
 232       continue;
 233
 234     bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 235     if(removedRows.contains(bufferId))
 236       continue;
 237
 238     removedRows << bufferId;
 239
 240     if(permanently)
 241       config()->requestRemoveBufferPermanently(bufferId);
 242     else
 243       config()->requestRemoveBuffer(bufferId);
 244   }
 245 }
 246
 247 void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
 248   QTreeView::rowsInserted(parent, start, end);
 249
 250   // ensure that newly inserted network nodes are expanded per default
 251   if(parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 252     return;
 253
 254   if(model()->rowCount(parent) == 1 && parent.data(NetworkModel::ItemActiveRole) == true) {
 255     // without updating the parent the expand will have no effect... Qt Bug?
 256     update(parent);
 257     expand(parent);
 258   }
 259 }
 260
 261 void BufferView::on_configChanged() {
 262   Q_ASSERT(model());
 263
 264   // expand all active networks... collapse inactive ones... unless manually changed
 265   QModelIndex networkIdx;
 266   NetworkId networkId;
 267   for(int row = 0; row < model()->rowCount(); row++) {
 268     networkIdx = model()->index(row, 0);
 269     if(model()->rowCount(networkIdx) ==  0)
 270       continue;
 271
 272     networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
 273     if(!networkId.isValid())
 274       continue;
 275
 276     update(networkIdx);
 277
 278     bool expandNetwork = false;
 279     if(_expandedState.contains(networkId))
 280       expandNetwork = _expandedState[networkId];
 281     else
 282       expandNetwork = model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool();
 283
 284     if(expandNetwork)
 285       expand(networkIdx);
 286     else
 287       collapse(networkIdx);
 288   }
 289
 290   // update selection to current one
 291   MappedSelectionModel *mappedSelectionModel = qobject_cast<MappedSelectionModel *>(selectionModel());
 292   if(!config() || !mappedSelectionModel)
 293     return;
 294
 295   mappedSelectionModel->mappedSetCurrentIndex(Client::bufferModel()->standardSelectionModel()->currentIndex(), QItemSelectionModel::Current);
 296   mappedSelectionModel->mappedSelect(Client::bufferModel()->standardSelectionModel()->selection(), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
 297 }
 298
 299 void BufferView::on_collapse(const QModelIndex &index) {
 300   storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), false);
 301 }
 302
 303 void BufferView::on_expand(const QModelIndex &index) {
 304   storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), true);
 305 }
 306
 307 void BufferView::storeExpandedState(NetworkId networkId, bool expanded) {
 308   _expandedState[networkId] = expanded;
 309 }
 310
 311 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
 312   QTreeView::dataChanged(topLeft, bottomRight);
 313
 314   // determine how many items have been changed and if any of them is a networkitem
 315   // which just swichted from active to inactive or vice versa
 316   if(topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 317     return;
 318
 319   for(int i = topLeft.row(); i <= bottomRight.row(); i++) {
 320     QModelIndex networkIdx = topLeft.sibling(i, 0);
 321     if(model()->rowCount(networkIdx) == 0)
 322       continue;
 323
 324     bool isActive = networkIdx.data(NetworkModel::ItemActiveRole).toBool();
 325 #ifdef SPUTDEV
 326     if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, true);
 327 #else
 328     if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, isActive);
 329 #endif
 330   }
 331 }
 332
 333 void BufferView::toggleHeader(bool checked) {
 334   QAction *action = qobject_cast<QAction *>(sender());
 335   header()->setSectionHidden((action->property("column")).toInt(), !checked);
 336 }
 337
 338 bool BufferView::checkRequirements(const QModelIndex &index, ItemActiveStates requiredActiveState) {
 339   if(!index.isValid())
 340     return false;
 341
 342   ItemActiveStates isActive = index.data(NetworkModel::ItemActiveRole).toBool()
 343     ? ActiveState
 344     : InactiveState;
 345
 346   if(!(isActive & requiredActiveState))
 347     return false;
 348
 349   return true;
 350 }
 351
 352 void BufferView::addItemToMenu(QAction &action, QMenu &menu, const QModelIndex &index, ItemActiveStates requiredActiveState) {
 353   if(checkRequirements(index, requiredActiveState)) {
 354     menu.addAction(&action);
 355     action.setVisible(true);
 356   } else {
 357     action.setVisible(false);
 358   }
 359 }
 360
 361 void BufferView::addItemToMenu(QAction &action, QMenu &menu, bool condition) {
 362   if(condition) {
 363     menu.addAction(&action);
 364     action.setVisible(true);
 365   } else {
 366     action.setVisible(false);
 367   }
 368 }
 369
 370
 371 void BufferView::addItemToMenu(QMenu &subMenu, QMenu &menu, const QModelIndex &index, ItemActiveStates requiredActiveState) {
 372   if(checkRequirements(index, requiredActiveState)) {
 373     menu.addMenu(&subMenu);
 374     subMenu.setVisible(true);
 375   } else {
 376     subMenu.setVisible(false);
 377   }
 378 }
 379
 380 void BufferView::addSeparatorToMenu(QMenu &menu, const QModelIndex &index, ItemActiveStates requiredActiveState) {
 381   if(checkRequirements(index, requiredActiveState)) {
 382     menu.addSeparator();
 383   }
 384 }
 385
 386 QMenu *BufferView::createHideEventsSubMenu(QMenu &menu, BufferId bufferId) {
 387   int filter = BufferSettings(bufferId).messageFilter();
 388   _hideJoinAction.setChecked(filter & Message::Join);
 389   _hidePartAction.setChecked(filter & Message::Part);
 390   _hideQuitAction.setChecked(filter & Message::Quit);
 391   _hideModeAction.setChecked(filter & Message::Mode);
 392
 393   QMenu *hideEventsMenu = menu.addMenu(tr("Hide Events"));
 394   hideEventsMenu->addAction(&_hideJoinAction);
 395   hideEventsMenu->addAction(&_hidePartAction);
 396   hideEventsMenu->addAction(&_hideQuitAction);
 397   hideEventsMenu->addAction(&_hideModeAction);
 398   return hideEventsMenu;
 399 }
 400
 401 void BufferView::contextMenuEvent(QContextMenuEvent *event) {
 402   QModelIndex index = indexAt(event->pos());
 403   if(!index.isValid())
 404     index = rootIndex();
 405   if(!index.isValid())
 406     return;
 407
 408   const Network *network = Client::network(index.data(NetworkModel::NetworkIdRole).value<NetworkId>());
 409   Q_CHECK_PTR(network);
 410
 411   QPixmap connectionStateIcon;
 412   if(network) {
 413     if(network->connectionState() == Network::Initialized) {
 414       connectionStateIcon = SmallIcon("network-connect");
 415     } else if(network->connectionState() == Network::Disconnected) {
 416       connectionStateIcon = SmallIcon("network-disconnect");
 417     } else {
 418       connectionStateIcon = SmallIcon("network-wired");  // FIXME network-connecting
 419     }
 420   }
 421
 422   QMenu contextMenu(this);
 423   NetworkModel::itemType itemType = static_cast<NetworkModel::itemType>(index.data(NetworkModel::ItemTypeRole).toInt());
 424
 425   switch(itemType) {
 426   case NetworkModel::NetworkItemType:
 427     showChannelList.setData(index.data(NetworkModel::NetworkIdRole));
 428     _disconnectNetAction.setIcon(connectionStateIcon);
 429     _connectNetAction.setIcon(connectionStateIcon);
 430     addItemToMenu(showChannelList, contextMenu, index, ActiveState);
 431     addItemToMenu(_disconnectNetAction, contextMenu, network->connectionState() != Network::Disconnected);
 432     addItemToMenu(_connectNetAction, contextMenu, network->connectionState() == Network::Disconnected);
 433     addSeparatorToMenu(contextMenu, index, ActiveState);
 434     addItemToMenu(_joinChannelAction, contextMenu, index, ActiveState);
 435     break;
 436   case NetworkModel::BufferItemType:
 437     {
 438       BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 439       switch(bufferInfo.type()) {
 440       case BufferInfo::ChannelBuffer:
 441         addItemToMenu(_joinBufferAction, contextMenu, index, InactiveState);
 442         addItemToMenu(_partBufferAction, contextMenu, index, ActiveState);
 443         addItemToMenu(_hideBufferTemporarilyAction, contextMenu, (bool)config());
 444         addItemToMenu(_hideBufferPermanentlyAction, contextMenu, (bool)config());
 445         addItemToMenu(_removeBufferAction, contextMenu, index, InactiveState);
 446         createHideEventsSubMenu(contextMenu, bufferInfo.bufferId());
 447         addItemToMenu(_ignoreListAction, contextMenu);
 448         break;
 449       case BufferInfo::QueryBuffer:
 450         addItemToMenu(_hideBufferTemporarilyAction, contextMenu, (bool)config());
 451         addItemToMenu(_hideBufferPermanentlyAction, contextMenu, (bool)config());
 452         addItemToMenu(_removeBufferAction, contextMenu);
 453         createHideEventsSubMenu(contextMenu, bufferInfo.bufferId());
 454         break;
 455       default:
 456         addItemToMenu(_hideBufferTemporarilyAction, contextMenu, (bool)config());
 457         addItemToMenu(_hideBufferPermanentlyAction, contextMenu, (bool)config());
 458         break;
 459       }
 460     }
 461     break;
 462   default:
 463     return;
 464   }
 465
 466   if(contextMenu.actions().isEmpty())
 467     return;
 468   QAction *result = contextMenu.exec(QCursor::pos());
 469
 470   // Handle Result
 471   if(network && result == &_connectNetAction) {
 472     network->requestConnect();
 473     return;
 474   }
 475
 476   if(network && result == &_disconnectNetAction) {
 477     network->requestDisconnect();
 478     return;
 479   }
 480
 481   if(result == &_joinChannelAction) {
 482     // FIXME no QInputDialog in Qtopia
 483 #ifndef Q_WS_QWS
 484     bool ok;
 485     QString channelName = QInputDialog::getText(this, tr("Join Channel"), tr("Input channel name:"), QLineEdit::Normal, QString(), &ok);
 486     if(ok && !channelName.isEmpty()) {
 487       Client::instance()->userInput(BufferInfo::fakeStatusBuffer(index.data(NetworkModel::NetworkIdRole).value<NetworkId>()), QString("/J %1").arg(channelName));
 488     }
 489 #endif
 490     return;
 491   }
 492
 493   if(result == &_joinBufferAction) {
 494     BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 495     Client::instance()->userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 496     return;
 497   }
 498
 499   if(result == &_partBufferAction) {
 500     BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 501     Client::instance()->userInput(bufferInfo, QString("/PART"));
 502     return;
 503   }
 504
 505   if(result == &_hideBufferTemporarilyAction) {
 506     removeSelectedBuffers();
 507     return;
 508   }
 509
 510   if(result == &_hideBufferPermanentlyAction) {
 511     removeSelectedBuffers(true);
 512     return;
 513   }
 514
 515   if(result == &_removeBufferAction) {
 516     BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 517     int res = QMessageBox::question(this, tr("Remove buffer permanently?"),
 518                                     tr("Do you want to delete the buffer \"%1\" permanently? This will delete all related data, including all backlog "
 519                                        "data, from the core's database!").arg(bufferInfo.bufferName()),
 520                                         QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
 521     if(res == QMessageBox::Yes) {
 522       Client::removeBuffer(bufferInfo.bufferId());
 523     }
 524     return;
 525   }
 526
 527   if(result == & _hideJoinAction) {
 528     BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 529     BufferSettings(bufferId).filterMessage(Message::Join, _hideJoinAction.isChecked());
 530     return;
 531   }
 532   if(result == &_hidePartAction) {
 533     BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 534     BufferSettings(bufferId).filterMessage(Message::Part, _hidePartAction.isChecked());
 535     return;
 536   }
 537   if(result == &_hideQuitAction) {
 538     BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 539     BufferSettings(bufferId).filterMessage(Message::Quit, _hideQuitAction.isChecked());
 540     return;
 541   }
 542   if(result == &_hideModeAction) {
 543     BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 544     BufferSettings(bufferId).filterMessage(Message::Mode, _hideModeAction.isChecked());
 545     return;
 546   }
 547
 548 }
 549
 550 void BufferView::wheelEvent(QWheelEvent* event) {
 551   if(UiSettings().value("MouseWheelChangesBuffers", QVariant(true)).toBool() == (bool)(event->modifiers() & Qt::AltModifier))
 552     return QTreeView::wheelEvent(event);
 553
 554   int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
 555   QModelIndex currentIndex = selectionModel()->currentIndex();
 556   QModelIndex resultingIndex;
 557   if( model()->hasIndex(  currentIndex.row() + rowDelta, currentIndex.column(), currentIndex.parent() ) )
 558     {
 559       resultingIndex = currentIndex.sibling( currentIndex.row() + rowDelta, currentIndex.column() );
 560     }
 561     else //if we scroll into a the parent node...
 562       {
 563         QModelIndex parent = currentIndex.parent();
 564         QModelIndex aunt = parent.sibling( parent.row() + rowDelta, parent.column() );
 565         if( rowDelta == -1 )
 566           resultingIndex = aunt.child( model()->rowCount( aunt ) - 1, 0 );
 567         else
 568           resultingIndex = aunt.child( 0, 0 );
 569         if( !resultingIndex.isValid() )
 570           return;
 571       }
 572   selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows );
 573   selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect );
 574
 575 }
 576
 577
 578 QSize BufferView::sizeHint() const {
 579   return QTreeView::sizeHint();
 580
 581   if(!model())
 582     return QTreeView::sizeHint();
 583
 584   if(model()->rowCount() == 0)
 585     return QSize(120, 50);
 586
 587   int columnSize = 0;
 588   for(int i = 0; i < model()->columnCount(); i++) {
 589     if(!isColumnHidden(i))
 590       columnSize += sizeHintForColumn(i);
 591   }
 592   return QSize(columnSize, 50);
 593 }
 594
 595 // ==============================
 596 //  BufferView Dock
 597 // ==============================
 598 BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent)
 599   : QDockWidget(config->bufferViewName(), parent)
 600 {
 601   setObjectName("BufferViewDock-" + QString::number(config->bufferViewId()));
 602   toggleViewAction()->setData(config->bufferViewId());
 603   setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
 604   connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &)));
 605 }
 606
 607 BufferViewDock::BufferViewDock(QWidget *parent)
 608   : QDockWidget(tr("All Buffers"), parent)
 609 {
 610   setObjectName("BufferViewDock--1");
 611   toggleViewAction()->setData((int)-1);
 612   setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
 613 }
 614
 615 void BufferViewDock::bufferViewRenamed(const QString &newName) {
 616   setWindowTitle(newName);
 617   toggleViewAction()->setText(newName);
 618 }