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
 101   // activated() fails on X11 and Qtopia at least
 102 #if defined Q_WS_QWS or defined Q_WS_X11
 103   connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(joinChannel(QModelIndex)));
 104 #else
 105   // afaik this is better on Mac and Windows
 106   connect(this, SIGNAL(activated(QModelIndex)), SLOT(joinChannel(QModelIndex)));
 107 #endif
 108 }
 109
 110 void BufferView::setModel(QAbstractItemModel *model) {
 111   delete selectionModel();
 112
 113   QTreeView::setModel(model);
 114   init();
 115   // remove old Actions
 116   QList<QAction *> oldactions = header()->actions();
 117   foreach(QAction *action, oldactions) {
 118     header()->removeAction(action);
 119     action->deleteLater();
 120   }
 121
 122   if(!model)
 123     return;
 124
 125   QString sectionName;
 126   QAction *showSection;
 127   for(int i = 1; i < model->columnCount(); i++) {
 128     sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString();
 129     showSection = new QAction(sectionName, header());
 130     showSection->setCheckable(true);
 131     showSection->setChecked(!isColumnHidden(i));
 132     showSection->setProperty("column", i);
 133     connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
 134     header()->addAction(showSection);
 135   }
 136
 137 }
 138
 139 void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *config) {
 140   BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
 141   if(filter) {
 142     filter->setConfig(config);
 143     setConfig(config);
 144     return;
 145   }
 146
 147   if(model()) {
 148     disconnect(this, 0, model(), 0);
 149     disconnect(model(), 0, this, 0);
 150   }
 151
 152   if(!model_) {
 153     setModel(model_);
 154   } else {
 155     BufferViewFilter *filter = new BufferViewFilter(model_, config);
 156     setModel(filter);
 157     connect(filter, SIGNAL(configChanged()), this, SLOT(on_configChanged()));
 158   }
 159   setConfig(config);
 160 }
 161
 162 void BufferView::setSelectionModel(QItemSelectionModel *selectionModel) {
 163   if(QTreeView::selectionModel())
 164     disconnect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
 165                model(), SIGNAL(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
 166
 167   QTreeView::setSelectionModel(selectionModel);
 168   BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
 169   if(filter) {
 170     connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
 171             filter, SLOT(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
 172   }
 173 }
 174
 175 void BufferView::setConfig(BufferViewConfig *config) {
 176   if(_config == config)
 177     return;
 178
 179   if(_config) {
 180     disconnect(_config, 0, this, 0);
 181   }
 182
 183   _config = config;
 184   if(config) {
 185     connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &)));
 186     setRootIndexForNetworkId(config->networkId());
 187   } else {
 188     setRootIndex(QModelIndex());
 189   }
 190 }
 191
 192 void BufferView::setRootIndexForNetworkId(const NetworkId &networkId) {
 193   if(!networkId.isValid() || !model()) {
 194     setRootIndex(QModelIndex());
 195   } else {
 196     int networkCount = model()->rowCount();
 197     QModelIndex child;
 198     for(int i = 0; i < networkCount; i++) {
 199       child = model()->index(i, 0);
 200       if(networkId == model()->data(child, NetworkModel::NetworkIdRole).value<NetworkId>())
 201         setRootIndex(child);
 202     }
 203   }
 204 }
 205
 206 void BufferView::joinChannel(const QModelIndex &index) {
 207   BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
 208
 209   if(bufferType != BufferInfo::ChannelBuffer)
 210     return;
 211
 212   BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 213
 214   Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 215 }
 216
 217 void BufferView::keyPressEvent(QKeyEvent *event) {
 218   if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
 219     event->accept();
 220     removeSelectedBuffers();
 221   }
 222   QTreeView::keyPressEvent(event);
 223 }
 224
 225 void BufferView::removeSelectedBuffers(bool permanently) {
 226   if(!config())
 227     return;
 228
 229   BufferId bufferId;
 230   QSet<BufferId> removedRows;
 231   foreach(QModelIndex index, selectionModel()->selectedIndexes()) {
 232     if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
 233       continue;
 234
 235     bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 236     if(removedRows.contains(bufferId))
 237       continue;
 238
 239     removedRows << bufferId;
 240
 241     if(permanently)
 242       config()->requestRemoveBufferPermanently(bufferId);
 243     else
 244       config()->requestRemoveBuffer(bufferId);
 245   }
 246 }
 247
 248 void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
 249   QTreeView::rowsInserted(parent, start, end);
 250
 251   // ensure that newly inserted network nodes are expanded per default
 252   if(parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 253     return;
 254
 255   if(model()->rowCount(parent) == 1 && parent.data(NetworkModel::ItemActiveRole) == true) {
 256     // without updating the parent the expand will have no effect... Qt Bug?
 257     update(parent);
 258     expand(parent);
 259   }
 260 }
 261
 262 void BufferView::on_configChanged() {
 263   Q_ASSERT(model());
 264
 265   // expand all active networks... collapse inactive ones... unless manually changed
 266   QModelIndex networkIdx;
 267   NetworkId networkId;
 268   for(int row = 0; row < model()->rowCount(); row++) {
 269     networkIdx = model()->index(row, 0);
 270     if(model()->rowCount(networkIdx) ==  0)
 271       continue;
 272
 273     networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
 274     if(!networkId.isValid())
 275       continue;
 276
 277     update(networkIdx);
 278
 279     bool expandNetwork = false;
 280     if(_expandedState.contains(networkId))
 281       expandNetwork = _expandedState[networkId];
 282     else
 283       expandNetwork = model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool();
 284
 285     if(expandNetwork)
 286       expand(networkIdx);
 287     else
 288       collapse(networkIdx);
 289   }
 290
 291   // update selection to current one
 292   MappedSelectionModel *mappedSelectionModel = qobject_cast<MappedSelectionModel *>(selectionModel());
 293   if(!config() || !mappedSelectionModel)
 294     return;
 295
 296   mappedSelectionModel->mappedSetCurrentIndex(Client::bufferModel()->standardSelectionModel()->currentIndex(), QItemSelectionModel::Current);
 297   mappedSelectionModel->mappedSelect(Client::bufferModel()->standardSelectionModel()->selection(), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
 298 }
 299
 300 void BufferView::on_collapse(const QModelIndex &index) {
 301   storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), false);
 302 }
 303
 304 void BufferView::on_expand(const QModelIndex &index) {
 305   storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), true);
 306 }
 307
 308 void BufferView::storeExpandedState(NetworkId networkId, bool expanded) {
 309   _expandedState[networkId] = expanded;
 310 }
 311
 312 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
 313   QTreeView::dataChanged(topLeft, bottomRight);
 314
 315   // determine how many items have been changed and if any of them is a networkitem
 316   // which just swichted from active to inactive or vice versa
 317   if(topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 318     return;
 319
 320   for(int i = topLeft.row(); i <= bottomRight.row(); i++) {
 321     QModelIndex networkIdx = topLeft.sibling(i, 0);
 322     if(model()->rowCount(networkIdx) == 0)
 323       continue;
 324
 325     bool isActive = networkIdx.data(NetworkModel::ItemActiveRole).toBool();
 326 #ifdef SPUTDEV
 327     if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, true);
 328 #else
 329     if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, isActive);
 330 #endif
 331   }
 332 }
 333
 334 void BufferView::toggleHeader(bool checked) {
 335   QAction *action = qobject_cast<QAction *>(sender());
 336   header()->setSectionHidden((action->property("column")).toInt(), !checked);
 337 }
 338
 339 bool BufferView::checkRequirements(const QModelIndex &index, ItemActiveStates requiredActiveState) {
 340   if(!index.isValid())
 341     return false;
 342
 343   ItemActiveStates isActive = index.data(NetworkModel::ItemActiveRole).toBool()
 344     ? ActiveState
 345     : InactiveState;
 346
 347   if(!(isActive & requiredActiveState))
 348     return false;
 349
 350   return true;
 351 }
 352
 353 void BufferView::addItemToMenu(QAction &action, QMenu &menu, const QModelIndex &index, ItemActiveStates requiredActiveState) {
 354   if(checkRequirements(index, requiredActiveState)) {
 355     menu.addAction(&action);
 356     action.setVisible(true);
 357   } else {
 358     action.setVisible(false);
 359   }
 360 }
 361
 362 void BufferView::addItemToMenu(QAction &action, QMenu &menu, bool condition) {
 363   if(condition) {
 364     menu.addAction(&action);
 365     action.setVisible(true);
 366   } else {
 367     action.setVisible(false);
 368   }
 369 }
 370
 371
 372 void BufferView::addItemToMenu(QMenu &subMenu, QMenu &menu, const QModelIndex &index, ItemActiveStates requiredActiveState) {
 373   if(checkRequirements(index, requiredActiveState)) {
 374     menu.addMenu(&subMenu);
 375     subMenu.setVisible(true);
 376   } else {
 377     subMenu.setVisible(false);
 378   }
 379 }
 380
 381 void BufferView::addSeparatorToMenu(QMenu &menu, const QModelIndex &index, ItemActiveStates requiredActiveState) {
 382   if(checkRequirements(index, requiredActiveState)) {
 383     menu.addSeparator();
 384   }
 385 }
 386
 387 QMenu *BufferView::createHideEventsSubMenu(QMenu &menu, BufferId bufferId) {
 388   int filter = BufferSettings(bufferId).messageFilter();
 389   _hideJoinAction.setChecked(filter & Message::Join);
 390   _hidePartAction.setChecked(filter & Message::Part);
 391   _hideQuitAction.setChecked(filter & Message::Quit);
 392   _hideModeAction.setChecked(filter & Message::Mode);
 393
 394   QMenu *hideEventsMenu = menu.addMenu(tr("Hide Events"));
 395   hideEventsMenu->addAction(&_hideJoinAction);
 396   hideEventsMenu->addAction(&_hidePartAction);
 397   hideEventsMenu->addAction(&_hideQuitAction);
 398   hideEventsMenu->addAction(&_hideModeAction);
 399   return hideEventsMenu;
 400 }
 401
 402 void BufferView::contextMenuEvent(QContextMenuEvent *event) {
 403   QModelIndex index = indexAt(event->pos());
 404   if(!index.isValid())
 405     index = rootIndex();
 406   if(!index.isValid())
 407     return;
 408
 409   const Network *network = Client::network(index.data(NetworkModel::NetworkIdRole).value<NetworkId>());
 410   Q_CHECK_PTR(network);
 411
 412   QPixmap connectionStateIcon;
 413   if(network) {
 414     if(network->connectionState() == Network::Initialized) {
 415       connectionStateIcon = SmallIcon("network-connect");
 416     } else if(network->connectionState() == Network::Disconnected) {
 417       connectionStateIcon = SmallIcon("network-disconnect");
 418     } else {
 419       connectionStateIcon = SmallIcon("network-wired");  // FIXME network-connecting
 420     }
 421   }
 422
 423   QMenu contextMenu(this);
 424   NetworkModel::itemType itemType = static_cast<NetworkModel::itemType>(index.data(NetworkModel::ItemTypeRole).toInt());
 425
 426   switch(itemType) {
 427   case NetworkModel::NetworkItemType:
 428     showChannelList.setData(index.data(NetworkModel::NetworkIdRole));
 429     _disconnectNetAction.setIcon(connectionStateIcon);
 430     _connectNetAction.setIcon(connectionStateIcon);
 431     addItemToMenu(showChannelList, contextMenu, index, ActiveState);
 432     addItemToMenu(_disconnectNetAction, contextMenu, network->connectionState() != Network::Disconnected);
 433     addItemToMenu(_connectNetAction, contextMenu, network->connectionState() == Network::Disconnected);
 434     addSeparatorToMenu(contextMenu, index, ActiveState);
 435     addItemToMenu(_joinChannelAction, contextMenu, index, ActiveState);
 436     break;
 437   case NetworkModel::BufferItemType:
 438     {
 439       BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 440       switch(bufferInfo.type()) {
 441       case BufferInfo::ChannelBuffer:
 442         addItemToMenu(_joinBufferAction, contextMenu, index, InactiveState);
 443         addItemToMenu(_partBufferAction, contextMenu, index, ActiveState);
 444         addItemToMenu(_hideBufferTemporarilyAction, contextMenu, (bool)config());
 445         addItemToMenu(_hideBufferPermanentlyAction, contextMenu, (bool)config());
 446         addItemToMenu(_removeBufferAction, contextMenu, index, InactiveState);
 447         createHideEventsSubMenu(contextMenu, bufferInfo.bufferId());
 448         addItemToMenu(_ignoreListAction, contextMenu);
 449         break;
 450       case BufferInfo::QueryBuffer:
 451         addItemToMenu(_hideBufferTemporarilyAction, contextMenu, (bool)config());
 452         addItemToMenu(_hideBufferPermanentlyAction, contextMenu, (bool)config());
 453         addItemToMenu(_removeBufferAction, contextMenu);
 454         createHideEventsSubMenu(contextMenu, bufferInfo.bufferId());
 455         break;
 456       default:
 457         addItemToMenu(_hideBufferTemporarilyAction, contextMenu, (bool)config());
 458         addItemToMenu(_hideBufferPermanentlyAction, contextMenu, (bool)config());
 459         break;
 460       }
 461     }
 462     break;
 463   default:
 464     return;
 465   }
 466
 467   if(contextMenu.actions().isEmpty())
 468     return;
 469   QAction *result = contextMenu.exec(QCursor::pos());
 470
 471   // Handle Result
 472   if(network && result == &_connectNetAction) {
 473     network->requestConnect();
 474     return;
 475   }
 476
 477   if(network && result == &_disconnectNetAction) {
 478     network->requestDisconnect();
 479     return;
 480   }
 481
 482   if(result == &_joinChannelAction) {
 483     // FIXME no QInputDialog in Qtopia
 484 #ifndef Q_WS_QWS
 485     bool ok;
 486     QString channelName = QInputDialog::getText(this, tr("Join Channel"), tr("Input channel name:"), QLineEdit::Normal, QString(), &ok);
 487     if(ok && !channelName.isEmpty()) {
 488       Client::instance()->userInput(BufferInfo::fakeStatusBuffer(index.data(NetworkModel::NetworkIdRole).value<NetworkId>()), QString("/J %1").arg(channelName));
 489     }
 490 #endif
 491     return;
 492   }
 493
 494   if(result == &_joinBufferAction) {
 495     BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 496     Client::instance()->userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 497     return;
 498   }
 499
 500   if(result == &_partBufferAction) {
 501     BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 502     Client::instance()->userInput(bufferInfo, QString("/PART"));
 503     return;
 504   }
 505
 506   if(result == &_hideBufferTemporarilyAction) {
 507     removeSelectedBuffers();
 508     return;
 509   }
 510
 511   if(result == &_hideBufferPermanentlyAction) {
 512     removeSelectedBuffers(true);
 513     return;
 514   }
 515
 516   if(result == &_removeBufferAction) {
 517     BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 518     int res = QMessageBox::question(this, tr("Remove buffer permanently?"),
 519                                     tr("Do you want to delete the buffer \"%1\" permanently? This will delete all related data, including all backlog "
 520                                        "data, from the core's database!").arg(bufferInfo.bufferName()),
 521                                         QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
 522     if(res == QMessageBox::Yes) {
 523       Client::removeBuffer(bufferInfo.bufferId());
 524     }
 525     return;
 526   }
 527
 528   if(result == & _hideJoinAction) {
 529     BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 530     BufferSettings(bufferId).filterMessage(Message::Join, _hideJoinAction.isChecked());
 531     return;
 532   }
 533   if(result == &_hidePartAction) {
 534     BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 535     BufferSettings(bufferId).filterMessage(Message::Part, _hidePartAction.isChecked());
 536     return;
 537   }
 538   if(result == &_hideQuitAction) {
 539     BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 540     BufferSettings(bufferId).filterMessage(Message::Quit, _hideQuitAction.isChecked());
 541     return;
 542   }
 543   if(result == &_hideModeAction) {
 544     BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 545     BufferSettings(bufferId).filterMessage(Message::Mode, _hideModeAction.isChecked());
 546     return;
 547   }
 548
 549 }
 550
 551 void BufferView::wheelEvent(QWheelEvent* event) {
 552   if(UiSettings().value("MouseWheelChangesBuffers", QVariant(true)).toBool() == (bool)(event->modifiers() & Qt::AltModifier))
 553     return QTreeView::wheelEvent(event);
 554
 555   int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
 556   QModelIndex currentIndex = selectionModel()->currentIndex();
 557   QModelIndex resultingIndex;
 558   if( model()->hasIndex(  currentIndex.row() + rowDelta, currentIndex.column(), currentIndex.parent() ) )
 559     {
 560       resultingIndex = currentIndex.sibling( currentIndex.row() + rowDelta, currentIndex.column() );
 561     }
 562     else //if we scroll into a the parent node...
 563       {
 564         QModelIndex parent = currentIndex.parent();
 565         QModelIndex aunt = parent.sibling( parent.row() + rowDelta, parent.column() );
 566         if( rowDelta == -1 )
 567           resultingIndex = aunt.child( model()->rowCount( aunt ) - 1, 0 );
 568         else
 569           resultingIndex = aunt.child( 0, 0 );
 570         if( !resultingIndex.isValid() )
 571           return;
 572       }
 573   selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows );
 574   selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect );
 575
 576 }
 577
 578
 579 QSize BufferView::sizeHint() const {
 580   return QTreeView::sizeHint();
 581
 582   if(!model())
 583     return QTreeView::sizeHint();
 584
 585   if(model()->rowCount() == 0)
 586     return QSize(120, 50);
 587
 588   int columnSize = 0;
 589   for(int i = 0; i < model()->columnCount(); i++) {
 590     if(!isColumnHidden(i))
 591       columnSize += sizeHintForColumn(i);
 592   }
 593   return QSize(columnSize, 50);
 594 }
 595
 596 // ==============================
 597 //  BufferView Dock
 598 // ==============================
 599 BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent)
 600   : QDockWidget(config->bufferViewName(), parent)
 601 {
 602   setObjectName("BufferViewDock-" + QString::number(config->bufferViewId()));
 603   toggleViewAction()->setData(config->bufferViewId());
 604   setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
 605   connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &)));
 606 }
 607
 608 BufferViewDock::BufferViewDock(QWidget *parent)
 609   : QDockWidget(tr("All Buffers"), parent)
 610 {
 611   setObjectName("BufferViewDock--1");
 612   toggleViewAction()->setData((int)-1);
 613   setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
 614 }
 615
 616 void BufferViewDock::bufferViewRenamed(const QString &newName) {
 617   setWindowTitle(newName);
 618   toggleViewAction()->setText(newName);
 619 }