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 "action.h"
  24 #include "buffermodel.h"
  25 #include "bufferviewfilter.h"
  26 #include "buffersettings.h"
  27 #include "buffersyncer.h"
  28 #include "client.h"
  29 #include "iconloader.h"
  30 #include "mappedselectionmodel.h"
  31 #include "network.h"
  32 #include "networkmodel.h"
  33
  34 #include "uisettings.h"
  35
  36 #include <QAction>
  37 #include <QFlags>
  38 #include <QHeaderView>
  39 #include <QInputDialog>
  40 #include <QLineEdit>
  41 #include <QMenu>
  42 #include <QMessageBox>
  43 #include <QSet>
  44
  45 /*****************************************
  46 * The TreeView showing the Buffers
  47 *****************************************/
  48 // Please be carefull when reimplementing methods which are used to inform the view about changes to the data
  49 // to be on the safe side: call QTreeView's method aswell
  50 BufferView::BufferView(QWidget *parent)
  51   : QTreeView(parent),
  52     showChannelList(tr("Show Channel List"), this),
  53     _menuActions(this)
  54 {
  55   setupMenuActions();
  56   showChannelList.setIcon(SmallIcon("format-list-unordered"));
  57
  58   connect(this, SIGNAL(collapsed(const QModelIndex &)), SLOT(on_collapse(const QModelIndex &)));
  59   connect(this, SIGNAL(expanded(const QModelIndex &)), SLOT(on_expand(const QModelIndex &)));
  60
  61   setSelectionMode(QAbstractItemView::ExtendedSelection);
  62 }
  63
  64 void BufferView::init() {
  65   setIndentation(10);
  66   header()->setContextMenuPolicy(Qt::ActionsContextMenu);
  67   hideColumn(1);
  68   hideColumn(2);
  69   expandAll();
  70
  71   setAnimated(true);
  72
  73 #ifndef QT_NO_DRAGANDDROP
  74   setDragEnabled(true);
  75   setAcceptDrops(true);
  76   setDropIndicatorShown(true);
  77 #endif
  78
  79   setSortingEnabled(true);
  80   sortByColumn(0, Qt::AscendingOrder);
  81
  82   // activated() fails on X11 and Qtopia at least
  83 #if defined Q_WS_QWS or defined Q_WS_X11
  84   connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(joinChannel(QModelIndex)));
  85 #else
  86   // afaik this is better on Mac and Windows
  87   connect(this, SIGNAL(activated(QModelIndex)), SLOT(joinChannel(QModelIndex)));
  88 #endif
  89 }
  90
  91 void BufferView::setupMenuActions() {
  92   _menuActions.addAction("ConnectNet", new Action(SmallIcon("network-connect"), tr("Connect"), this));
  93   _menuActions.addAction("DisconnectNet", new Action(SmallIcon("network-disconnect"), tr("Disconnect"), this));
  94   _menuActions.addAction("JoinChannel", new Action(tr("Join Channel"), this));
  95   _menuActions.addAction("JoinBuffer", new Action(tr("Join"), this));
  96   _menuActions.addAction("PartBuffer", new Action(tr("Part"), this));
  97   _menuActions.addAction("HideBuffersTemporarily", new Action(tr("Hide Buffers"), this));
  98   _menuActions.addAction("HideBuffersPermanently", new Action(tr("Hide Buffers Permanently"), this));
  99   _menuActions.addAction("RemoveBuffer", new Action(tr("Delete Buffer"), this));
 100   _menuActions.addAction("IgnoreList", new Action(tr("Ignore List"), this));
 101   _menuActions.addAction("HideJoin", new Action(tr("Joins"), this))->setCheckable(true);
 102   _menuActions.addAction("HidePart", new Action(tr("Parts"), this))->setCheckable(true);
 103   _menuActions.addAction("HideQuit", new Action(tr("Quits"), this))->setCheckable(true);
 104   _menuActions.addAction("HideNick", new Action(tr("Nick Changes"), this))->setCheckable(true);
 105   _menuActions.addAction("HideMode", new Action(tr("Mode Changes"), this))->setCheckable(true);
 106   _menuActions.addAction("HideDayChange", new Action(tr("Day Change"), this))->setCheckable(true);
 107
 108   connect(&_menuActions, SIGNAL(actionTriggered(QAction *)), SLOT(actionTriggered(QAction *)));
 109 }
 110
 111 void BufferView::setModel(QAbstractItemModel *model) {
 112   delete selectionModel();
 113
 114   QTreeView::setModel(model);
 115   init();
 116   // remove old Actions
 117   QList<QAction *> oldactions = header()->actions();
 118   foreach(QAction *action, oldactions) {
 119     header()->removeAction(action);
 120     action->deleteLater();
 121   }
 122
 123   if(!model)
 124     return;
 125
 126   QString sectionName;
 127   QAction *showSection;
 128   for(int i = 1; i < model->columnCount(); i++) {
 129     sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString();
 130     showSection = new QAction(sectionName, header());
 131     showSection->setCheckable(true);
 132     showSection->setChecked(!isColumnHidden(i));
 133     showSection->setProperty("column", i);
 134     connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
 135     header()->addAction(showSection);
 136   }
 137
 138 }
 139
 140 void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *config) {
 141   BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
 142   if(filter) {
 143     filter->setConfig(config);
 144     setConfig(config);
 145     return;
 146   }
 147
 148   if(model()) {
 149     disconnect(this, 0, model(), 0);
 150     disconnect(model(), 0, this, 0);
 151   }
 152
 153   if(!model_) {
 154     setModel(model_);
 155   } else {
 156     BufferViewFilter *filter = new BufferViewFilter(model_, config);
 157     setModel(filter);
 158     connect(filter, SIGNAL(configChanged()), this, SLOT(on_configChanged()));
 159   }
 160   setConfig(config);
 161 }
 162
 163 void BufferView::setSelectionModel(QItemSelectionModel *selectionModel) {
 164   if(QTreeView::selectionModel())
 165     disconnect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
 166                model(), SIGNAL(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
 167
 168   QTreeView::setSelectionModel(selectionModel);
 169   BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
 170   if(filter) {
 171     connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
 172             filter, SLOT(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
 173   }
 174 }
 175
 176 void BufferView::setConfig(BufferViewConfig *config) {
 177   if(_config == config)
 178     return;
 179
 180   if(_config) {
 181     disconnect(_config, 0, this, 0);
 182   }
 183
 184   _config = config;
 185   if(config) {
 186     connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &)));
 187     setRootIndexForNetworkId(config->networkId());
 188   } else {
 189     setRootIndex(QModelIndex());
 190   }
 191 }
 192
 193 void BufferView::setRootIndexForNetworkId(const NetworkId &networkId) {
 194   if(!networkId.isValid() || !model()) {
 195     setRootIndex(QModelIndex());
 196   } else {
 197     int networkCount = model()->rowCount();
 198     QModelIndex child;
 199     for(int i = 0; i < networkCount; i++) {
 200       child = model()->index(i, 0);
 201       if(networkId == model()->data(child, NetworkModel::NetworkIdRole).value<NetworkId>())
 202         setRootIndex(child);
 203     }
 204   }
 205 }
 206
 207 void BufferView::joinChannel(const QModelIndex &index) {
 208   BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
 209
 210   if(bufferType != BufferInfo::ChannelBuffer)
 211     return;
 212
 213   BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 214
 215   Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 216 }
 217
 218 void BufferView::keyPressEvent(QKeyEvent *event) {
 219   if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
 220     event->accept();
 221     removeSelectedBuffers();
 222   }
 223   QTreeView::keyPressEvent(event);
 224 }
 225
 226 void BufferView::removeSelectedBuffers(bool permanently) {
 227   if(!config())
 228     return;
 229
 230   BufferId bufferId;
 231   QSet<BufferId> removedRows;
 232   foreach(QModelIndex index, selectionModel()->selectedIndexes()) {
 233     if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
 234       continue;
 235
 236     bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
 237     if(removedRows.contains(bufferId))
 238       continue;
 239
 240     removedRows << bufferId;
 241
 242     if(permanently)
 243       config()->requestRemoveBufferPermanently(bufferId);
 244     else
 245       config()->requestRemoveBuffer(bufferId);
 246   }
 247 }
 248
 249 void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
 250   QTreeView::rowsInserted(parent, start, end);
 251
 252   // ensure that newly inserted network nodes are expanded per default
 253   if(parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 254     return;
 255
 256   if(model()->rowCount(parent) == 1 && parent.data(NetworkModel::ItemActiveRole) == true) {
 257     // without updating the parent the expand will have no effect... Qt Bug?
 258     update(parent);
 259     expand(parent);
 260   }
 261 }
 262
 263 void BufferView::on_configChanged() {
 264   Q_ASSERT(model());
 265
 266   // expand all active networks... collapse inactive ones... unless manually changed
 267   QModelIndex networkIdx;
 268   NetworkId networkId;
 269   for(int row = 0; row < model()->rowCount(); row++) {
 270     networkIdx = model()->index(row, 0);
 271     if(model()->rowCount(networkIdx) ==  0)
 272       continue;
 273
 274     networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
 275     if(!networkId.isValid())
 276       continue;
 277
 278     update(networkIdx);
 279
 280     bool expandNetwork = false;
 281     if(_expandedState.contains(networkId))
 282       expandNetwork = _expandedState[networkId];
 283     else
 284       expandNetwork = model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool();
 285
 286     if(expandNetwork)
 287       expand(networkIdx);
 288     else
 289       collapse(networkIdx);
 290   }
 291
 292   // update selection to current one
 293   MappedSelectionModel *mappedSelectionModel = qobject_cast<MappedSelectionModel *>(selectionModel());
 294   if(!config() || !mappedSelectionModel)
 295     return;
 296
 297   mappedSelectionModel->mappedSetCurrentIndex(Client::bufferModel()->standardSelectionModel()->currentIndex(), QItemSelectionModel::Current);
 298   mappedSelectionModel->mappedSelect(Client::bufferModel()->standardSelectionModel()->selection(), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
 299 }
 300
 301 void BufferView::on_collapse(const QModelIndex &index) {
 302   storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), false);
 303 }
 304
 305 void BufferView::on_expand(const QModelIndex &index) {
 306   storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), true);
 307 }
 308
 309 void BufferView::storeExpandedState(NetworkId networkId, bool expanded) {
 310   _expandedState[networkId] = expanded;
 311 }
 312
 313 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
 314   QTreeView::dataChanged(topLeft, bottomRight);
 315
 316   // determine how many items have been changed and if any of them is a networkitem
 317   // which just swichted from active to inactive or vice versa
 318   if(topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 319     return;
 320
 321   for(int i = topLeft.row(); i <= bottomRight.row(); i++) {
 322     QModelIndex networkIdx = topLeft.sibling(i, 0);
 323     if(model()->rowCount(networkIdx) == 0)
 324       continue;
 325
 326     bool isActive = networkIdx.data(NetworkModel::ItemActiveRole).toBool();
 327 #ifdef SPUTDEV
 328     if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, true);
 329 #else
 330     if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, isActive);
 331 #endif
 332   }
 333 }
 334
 335 void BufferView::toggleHeader(bool checked) {
 336   QAction *action = qobject_cast<QAction *>(sender());
 337   header()->setSectionHidden((action->property("column")).toInt(), !checked);
 338 }
 339
 340 bool BufferView::checkRequirements(const QModelIndex &index, ItemActiveStates requiredActiveState) {
 341   if(!index.isValid())
 342     return false;
 343
 344   ItemActiveStates isActive = index.data(NetworkModel::ItemActiveRole).toBool()
 345     ? ActiveState
 346     : InactiveState;
 347
 348   if(!(isActive & requiredActiveState))
 349     return false;
 350
 351   return true;
 352 }
 353
 354 void BufferView::addItemToMenu(QAction *action, QMenu *menu, const QModelIndex &index, ItemActiveStates requiredActiveState) {
 355   addItemToMenu(action, menu, checkRequirements(index, requiredActiveState));
 356 }
 357
 358 void BufferView::addItemToMenu(QAction *action, QMenu *menu, bool condition) {
 359   if(condition) {
 360     menu->addAction(action);
 361     action->setVisible(true);
 362   } else {
 363     action->setVisible(false);
 364   }
 365 }
 366
 367 void BufferView::addItemToMenu(QMenu *subMenu, QMenu *menu, const QModelIndex &index, ItemActiveStates requiredActiveState) {
 368   if(checkRequirements(index, requiredActiveState)) {
 369     menu->addMenu(subMenu);
 370     subMenu->setVisible(true);
 371   } else {
 372     subMenu->setVisible(false);
 373   }
 374 }
 375
 376 void BufferView::addSeparatorToMenu(QMenu *menu, const QModelIndex &index, ItemActiveStates requiredActiveState) {
 377   if(checkRequirements(index, requiredActiveState)) {
 378     menu->addSeparator();
 379   }
 380 }
 381
 382 QMenu *BufferView::createHideEventsSubMenu(QMenu *menu, BufferId bufferId) {
 383   int filter = BufferSettings(bufferId).messageFilter();
 384   _menuActions.action("HideJoin")->setChecked(filter & Message::Join);
 385   _menuActions.action("HidePart")->setChecked(filter & Message::Part);
 386   _menuActions.action("HideQuit")->setChecked(filter & Message::Quit);
 387   _menuActions.action("HideNick")->setChecked(filter & Message::Nick);
 388   _menuActions.action("HideMode")->setChecked(filter & Message::Mode);
 389   _menuActions.action("HideDayChange")->setChecked(filter & Message::DayChange);
 390
 391   QMenu *hideEventsMenu = menu->addMenu(tr("Hide Events"));
 392   hideEventsMenu->addAction(_menuActions.action("HideJoin"));
 393   hideEventsMenu->addAction(_menuActions.action("HidePart"));
 394   hideEventsMenu->addAction(_menuActions.action("HideQuit"));
 395   hideEventsMenu->addAction(_menuActions.action("HideNick"));
 396   hideEventsMenu->addAction(_menuActions.action("HideMode"));
 397   hideEventsMenu->addAction(_menuActions.action("HideDayChange"));
 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   QMenu contextMenu(this);
 409   addActionsToMenu(&contextMenu, index);
 410   if(!contextMenu.actions().isEmpty())
 411     contextMenu.exec(QCursor::pos());
 412
 413 }
 414
 415 void BufferView::addActionsToMenu(QMenu *contextMenu, const QModelIndex &index) {
 416   _menuIndex = index;
 417   const Network *network = Client::network(index.data(NetworkModel::NetworkIdRole).value<NetworkId>());
 418   Q_CHECK_PTR(network);
 419
 420   NetworkModel::ItemType itemType = static_cast<NetworkModel::ItemType>(index.data(NetworkModel::ItemTypeRole).toInt());
 421
 422   switch(itemType) {
 423   case NetworkModel::NetworkItemType:
 424     showChannelList.setData(index.data(NetworkModel::NetworkIdRole));
 425     addItemToMenu(&showChannelList, contextMenu, index, ActiveState);
 426     addItemToMenu(_menuActions.action("DisconnectNet"), contextMenu, network->connectionState() != Network::Disconnected);
 427     addItemToMenu(_menuActions.action("ConnectNet"), contextMenu, network->connectionState() == Network::Disconnected);
 428     addSeparatorToMenu(contextMenu, index, ActiveState);
 429     addItemToMenu(_menuActions.action("JoinChannel"), contextMenu, index, ActiveState);
 430     break;
 431   case NetworkModel::BufferItemType:
 432     {
 433       BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 434       switch(bufferInfo.type()) {
 435       case BufferInfo::ChannelBuffer:
 436         addItemToMenu(_menuActions.action("JoinBuffer"), contextMenu, index, InactiveState);
 437         addItemToMenu(_menuActions.action("PartBuffer"), contextMenu, index, ActiveState);
 438         addItemToMenu(_menuActions.action("HideBuffersTemporarily"), contextMenu, (bool)config());
 439         addItemToMenu(_menuActions.action("HideBuffersPermanently"), contextMenu, (bool)config());
 440         addItemToMenu(_menuActions.action("RemoveBuffer"), contextMenu, index, InactiveState);
 441         createHideEventsSubMenu(contextMenu, bufferInfo.bufferId());
 442         addItemToMenu(_menuActions.action("IgnoreList"), contextMenu);
 443         break;
 444       case BufferInfo::QueryBuffer:
 445         addItemToMenu(_menuActions.action("HideBuffersTemporarily"), contextMenu, (bool)config());
 446         addItemToMenu(_menuActions.action("HideBuffersPermanently"), contextMenu, (bool)config());
 447         addItemToMenu(_menuActions.action("RemoveBuffer"), contextMenu);
 448         createHideEventsSubMenu(contextMenu, bufferInfo.bufferId());
 449         break;
 450       default:
 451         addItemToMenu(_menuActions.action("HideBuffersTemporarily"), contextMenu, (bool)config());
 452         addItemToMenu(_menuActions.action("HideBuffersPermanently"), contextMenu, (bool)config());
 453         break;
 454       }
 455     }
 456     break;
 457   default:
 458     return;
 459   }
 460 }
 461
 462 void BufferView::actionTriggered(QAction *result) {
 463   const Network *network = Client::network(_menuIndex.data(NetworkModel::NetworkIdRole).value<NetworkId>());
 464   Q_CHECK_PTR(network);
 465
 466   if(network && result == _menuActions.action("ConnectNet")) {
 467     network->requestConnect();
 468     return;
 469   }
 470
 471   if(network && result == _menuActions.action("DisconnectNet")) {
 472     network->requestDisconnect();
 473     return;
 474   }
 475
 476 if(result == _menuActions.action("JoinChannel")) {
 477     // FIXME no QInputDialog in Qtopia
 478 #ifndef Q_WS_QWS
 479     bool ok;
 480     QString channelName = QInputDialog::getText(this, tr("Join Channel"), tr("Input channel name:"), QLineEdit::Normal, QString(), &ok);
 481     if(ok && !channelName.isEmpty()) {
 482       Client::instance()->userInput(BufferInfo::fakeStatusBuffer(_menuIndex.data(NetworkModel::NetworkIdRole).value<NetworkId>()),
 483                                      QString("/J %1").arg(channelName));
 484     }
 485 #endif
 486     return;
 487   }
 488
 489   if(result == _menuActions.action("JoinBuffer")) {
 490     BufferInfo bufferInfo = _menuIndex.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 491     Client::instance()->userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 492     return;
 493   }
 494
 495   if(result == _menuActions.action("PartBuffer")) {
 496     BufferInfo bufferInfo = _menuIndex.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 497     Client::instance()->userInput(bufferInfo, QString("/PART"));
 498     return;
 499   }
 500
 501   if(result == _menuActions.action("HideBuffersTemporarily")) {
 502     removeSelectedBuffers();
 503     return;
 504   }
 505
 506   if(result == _menuActions.action("HideBuffersPermanently")) {
 507     removeSelectedBuffers(true);
 508     return;
 509   }
 510
 511   if(result == _menuActions.action("RemoveBuffer")) {
 512     BufferInfo bufferInfo = _menuIndex.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 513     int res = QMessageBox::question(this, tr("Remove buffer permanently?"),
 514                                     tr("Do you want to delete the buffer \"%1\" permanently? This will delete all related data, including all backlog "
 515                                        "data, from the core's database!").arg(bufferInfo.bufferName()),
 516                                         QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
 517     if(res == QMessageBox::Yes) {
 518       Client::removeBuffer(bufferInfo.bufferId());
 519     }
 520     return;
 521   }
 522
 523   if(result == _menuActions.action("HideJoin")) {
 524     BufferId bufferId = _menuIndex.data(NetworkModel::BufferIdRole).value<BufferId>();
 525     BufferSettings(bufferId).filterMessage(Message::Join, result->isChecked());
 526     return;
 527   }
 528   if(result == _menuActions.action("HidePart")) {
 529     BufferId bufferId = _menuIndex.data(NetworkModel::BufferIdRole).value<BufferId>();
 530     BufferSettings(bufferId).filterMessage(Message::Part, result->isChecked());
 531     return;
 532   }
 533   if(result == _menuActions.action("HideQuit")) {
 534     BufferId bufferId = _menuIndex.data(NetworkModel::BufferIdRole).value<BufferId>();
 535     BufferSettings(bufferId).filterMessage(Message::Quit, result->isChecked());
 536     return;
 537   }
 538   if(result == _menuActions.action("HideNick")) {
 539     BufferId bufferId = _menuIndex.data(NetworkModel::BufferIdRole).value<BufferId>();
 540     BufferSettings(bufferId).filterMessage(Message::Nick, result->isChecked());
 541     return;
 542   }
 543   if(result == _menuActions.action("HideMode")) {
 544     BufferId bufferId = _menuIndex.data(NetworkModel::BufferIdRole).value<BufferId>();
 545     BufferSettings(bufferId).filterMessage(Message::Mode, result->isChecked());
 546     return;
 547   }
 548   if(result == _menuActions.action("HideDayChange")) {
 549     BufferId bufferId = _menuIndex.data(NetworkModel::BufferIdRole).value<BufferId>();
 550     BufferSettings(bufferId).filterMessage(Message::DayChange, result->isChecked());
 551     return;
 552   }
 553
 554   qWarning() << "Unhandled menu action";
 555 }
 556
 557 void BufferView::wheelEvent(QWheelEvent* event) {
 558   if(UiSettings().value("MouseWheelChangesBuffers", QVariant(true)).toBool() == (bool)(event->modifiers() & Qt::AltModifier))
 559     return QTreeView::wheelEvent(event);
 560
 561   int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
 562   QModelIndex currentIndex = selectionModel()->currentIndex();
 563   QModelIndex resultingIndex;
 564   if( model()->hasIndex(  currentIndex.row() + rowDelta, currentIndex.column(), currentIndex.parent() ) )
 565     {
 566       resultingIndex = currentIndex.sibling( currentIndex.row() + rowDelta, currentIndex.column() );
 567     }
 568     else //if we scroll into a the parent node...
 569       {
 570         QModelIndex parent = currentIndex.parent();
 571         QModelIndex aunt = parent.sibling( parent.row() + rowDelta, parent.column() );
 572         if( rowDelta == -1 )
 573           resultingIndex = aunt.child( model()->rowCount( aunt ) - 1, 0 );
 574         else
 575           resultingIndex = aunt.child( 0, 0 );
 576         if( !resultingIndex.isValid() )
 577           return;
 578       }
 579   selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows );
 580   selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect );
 581
 582 }
 583
 584
 585 QSize BufferView::sizeHint() const {
 586   return QTreeView::sizeHint();
 587
 588   if(!model())
 589     return QTreeView::sizeHint();
 590
 591   if(model()->rowCount() == 0)
 592     return QSize(120, 50);
 593
 594   int columnSize = 0;
 595   for(int i = 0; i < model()->columnCount(); i++) {
 596     if(!isColumnHidden(i))
 597       columnSize += sizeHintForColumn(i);
 598   }
 599   return QSize(columnSize, 50);
 600 }
 601
 602 // ==============================
 603 //  BufferView Dock
 604 // ==============================
 605 BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent)
 606   : QDockWidget(config->bufferViewName(), parent)
 607 {
 608   setObjectName("BufferViewDock-" + QString::number(config->bufferViewId()));
 609   toggleViewAction()->setData(config->bufferViewId());
 610   setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
 611   connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &)));
 612 }
 613
 614 BufferViewDock::BufferViewDock(QWidget *parent)
 615   : QDockWidget(tr("All Buffers"), parent)
 616 {
 617   setObjectName("BufferViewDock--1");
 618   toggleViewAction()->setData((int)-1);
 619   setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
 620 }
 621
 622 void BufferViewDock::bufferViewRenamed(const QString &newName) {
 623   setWindowTitle(newName);
 624   toggleViewAction()->setText(newName);
 625 }