Throw out unneeded font setters, adapt to ItemViewSettings
[quassel.git] / src / uisupport / bufferview.cpp
index 598686e..e477ba1 100644 (file)
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-09 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
 
 #include "bufferview.h"
 
-#include "bufferviewfilter.h"
-#include "buffersyncer.h"
-#include "client.h"
-#include "network.h"
-#include "networkmodel.h"
-
-#include "uisettings.h"
-
-#include "global.h"
-
+#include <QApplication>
 #include <QAction>
 #include <QFlags>
 #include <QHeaderView>
-#include <QInputDialog>
 #include <QLineEdit>
 #include <QMenu>
 #include <QMessageBox>
+#include <QSet>
+
+#include "action.h"
+#include "buffermodel.h"
+#include "bufferviewfilter.h"
+#include "buffersettings.h"
+#include "buffersyncer.h"
+#include "client.h"
+#include "contextmenuactionprovider.h"
+#include "graphicalui.h"
+#include "network.h"
+#include "networkmodel.h"
+#include "contextmenuactionprovider.h"
 
 /*****************************************
 * The TreeView showing the Buffers
 *****************************************/
 // Please be carefull when reimplementing methods which are used to inform the view about changes to the data
 // to be on the safe side: call QTreeView's method aswell
-BufferView::BufferView(QWidget *parent) : QTreeView(parent) {
-  setContextMenuPolicy(Qt::CustomContextMenu);
+BufferView::BufferView(QWidget *parent)
+  : QTreeView(parent)
+{
+  connect(this, SIGNAL(collapsed(const QModelIndex &)), SLOT(storeExpandedState(const QModelIndex &)));
+  connect(this, SIGNAL(expanded(const QModelIndex &)), SLOT(storeExpandedState(const QModelIndex &)));
+
+  setSelectionMode(QAbstractItemView::ExtendedSelection);
 
-  connect(this, SIGNAL(customContextMenuRequested(const QPoint &)),
-          this, SLOT(showContextMenu(const QPoint &)));
+  QAbstractItemDelegate *oldDelegate = itemDelegate();
+  BufferViewDelegate *tristateDelegate = new BufferViewDelegate(this);
+  setItemDelegate(tristateDelegate);
+  delete oldDelegate;
 }
 
 void BufferView::init() {
-  setIndentation(10);
   header()->setContextMenuPolicy(Qt::ActionsContextMenu);
   hideColumn(1);
   hideColumn(2);
+  setIndentation(10);
   expandAll();
 
   setAnimated(true);
@@ -67,22 +77,23 @@ void BufferView::init() {
 
   setSortingEnabled(true);
   sortByColumn(0, Qt::AscendingOrder);
-#ifndef Q_WS_QWS
-  // this is a workaround to not join channels automatically... we need a saner way to navigate for qtopia anyway though,
-  // such as mark first, activate at second click...
-  connect(this, SIGNAL(activated(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
+
+  // activated() fails on X11 and Qtopia at least
+#if defined Q_WS_QWS || defined Q_WS_X11
+  disconnect(this, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
+  connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(joinChannel(QModelIndex)));
 #else
-  connect(this, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));  // Qtopia uses single click for activation
+  // afaik this is better on Mac and Windows
+  disconnect(this, SIGNAL(activated(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
+  connect(this, SIGNAL(activated(QModelIndex)), SLOT(joinChannel(QModelIndex)));
 #endif
 }
 
 void BufferView::setModel(QAbstractItemModel *model) {
   delete selectionModel();
+
   QTreeView::setModel(model);
   init();
-  if(!model)
-    return;
-
   // remove old Actions
   QList<QAction *> oldactions = header()->actions();
   foreach(QAction *action, oldactions) {
@@ -90,6 +101,9 @@ void BufferView::setModel(QAbstractItemModel *model) {
     action->deleteLater();
   }
 
+  if(!model)
+    return;
+
   QString sectionName;
   QAction *showSection;
   for(int i = 1; i < model->columnCount(); i++) {
@@ -101,7 +115,8 @@ void BufferView::setModel(QAbstractItemModel *model) {
     connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
     header()->addAction(showSection);
   }
-  
+
+  connect(model, SIGNAL(layoutChanged()), this, SLOT(on_layoutChanged()));
 }
 
 void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *config) {
@@ -114,6 +129,7 @@ void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *
 
   if(model()) {
     disconnect(this, 0, model(), 0);
+    disconnect(model(), 0, this, 0);
   }
 
   if(!model_) {
@@ -121,15 +137,28 @@ void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *
   } else {
     BufferViewFilter *filter = new BufferViewFilter(model_, config);
     setModel(filter);
-    connect(this, SIGNAL(removeBuffer(const QModelIndex &)), filter, SLOT(removeBuffer(const QModelIndex &)));
+    connect(filter, SIGNAL(configChanged()), this, SLOT(on_configChanged()));
   }
   setConfig(config);
 }
 
+void BufferView::setSelectionModel(QItemSelectionModel *selectionModel) {
+  if(QTreeView::selectionModel())
+    disconnect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
+               model(), SIGNAL(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
+
+  QTreeView::setSelectionModel(selectionModel);
+  BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
+  if(filter) {
+    connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
+            filter, SLOT(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
+  }
+}
+
 void BufferView::setConfig(BufferViewConfig *config) {
   if(_config == config)
     return;
-  
+
   if(_config) {
     disconnect(_config, 0, this, 0);
   }
@@ -139,20 +168,23 @@ void BufferView::setConfig(BufferViewConfig *config) {
     connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &)));
     setRootIndexForNetworkId(config->networkId());
   } else {
+    setIndentation(10);
     setRootIndex(QModelIndex());
   }
 }
 
 void BufferView::setRootIndexForNetworkId(const NetworkId &networkId) {
   if(!networkId.isValid() || !model()) {
+    setIndentation(10);
     setRootIndex(QModelIndex());
   } else {
+    setIndentation(5);
     int networkCount = model()->rowCount();
     QModelIndex child;
     for(int i = 0; i < networkCount; i++) {
       child = model()->index(i, 0);
       if(networkId == model()->data(child, NetworkModel::NetworkIdRole).value<NetworkId>())
-       setRootIndex(child);
+        setRootIndex(child);
     }
   }
 }
@@ -164,173 +196,235 @@ void BufferView::joinChannel(const QModelIndex &index) {
     return;
 
   BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
-  
+
   Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 }
 
 void BufferView::keyPressEvent(QKeyEvent *event) {
   if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
     event->accept();
-    QModelIndex index = selectionModel()->selectedIndexes().first();
-    if(index.isValid()) {
-      emit removeBuffer(index);
-    }
+    removeSelectedBuffers();
   }
   QTreeView::keyPressEvent(event);
 }
 
-// ensure that newly inserted network nodes are expanded per default
-void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
+void BufferView::dropEvent(QDropEvent *event) {
+  QModelIndex index = indexAt(event->pos());
+
+  QRect indexRect = visualRect(index);
+  QPoint cursorPos = event->pos();
+
+  // check if we're really _on_ the item and not indicating a move to just above or below the item
+  const int margin = 2;
+  if(cursorPos.y() - indexRect.top() < margin
+     || indexRect.bottom() - cursorPos.y() < margin)
+    return QTreeView::dropEvent(event);
+
+  QList< QPair<NetworkId, BufferId> > bufferList = Client::networkModel()->mimeDataToBufferList(event->mimeData());
+  if(bufferList.count() != 1)
+    return QTreeView::dropEvent(event);
+
+  NetworkId networkId = bufferList[0].first;
+  BufferId bufferId2 = bufferList[0].second;
+
+  if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
+    return QTreeView::dropEvent(event);
+
+  if(index.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
+    return QTreeView::dropEvent(event);
+
+  if(index.data(NetworkModel::NetworkIdRole).value<NetworkId>() != networkId)
+    return QTreeView::dropEvent(event);
+
+  BufferId bufferId1 = index.data(NetworkModel::BufferIdRole).value<BufferId>();
+  if(bufferId1 == bufferId2)
+    return QTreeView::dropEvent(event);
+
+  int res = QMessageBox::question(0, tr("Merge buffers permanently?"),
+                                 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)),
+                                 QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
+  if(res == QMessageBox::Yes) {
+    Client::mergeBuffersPermanently(bufferId1, bufferId2);
+  }
+}
+
+void BufferView::removeSelectedBuffers(bool permanently) {
+  if(!config())
+    return;
+
+  BufferId bufferId;
+  QSet<BufferId> removedRows;
+  foreach(QModelIndex index, selectionModel()->selectedIndexes()) {
+    if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
+      continue;
+
+    bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
+    if(removedRows.contains(bufferId))
+      continue;
+
+    removedRows << bufferId;
+  }
+
+  foreach(BufferId bufferId, removedRows) {
+    if(permanently)
+      config()->requestRemoveBufferPermanently(bufferId);
+    else
+      config()->requestRemoveBuffer(bufferId);
+  }
+}
+
+void BufferView::rowsInserted(const QModelIndex &parent, int start, int end) {
   QTreeView::rowsInserted(parent, start, end);
-  if(model()->rowCount(parent) == 1 && parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType
-     && parent.data(NetworkModel::ItemActiveRole) == true) {
-    // without updating the parent the expand will have no effect... Qt Bug?
-    update(parent);
-    expand(parent);
+
+  // ensure that newly inserted network nodes are expanded per default
+  if(parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
+    return;
+
+  setExpandedState(parent);
+}
+
+void BufferView::on_layoutChanged() {
+  int numNets = model()->rowCount(QModelIndex());
+  for(int row = 0; row < numNets; row++) {
+    QModelIndex networkIdx = model()->index(row, 0, QModelIndex());
+    setExpandedState(networkIdx);
   }
 }
 
+void BufferView::on_configChanged() {
+  Q_ASSERT(model());
+
+  // expand all active networks... collapse inactive ones... unless manually changed
+  QModelIndex networkIdx;
+  NetworkId networkId;
+  for(int row = 0; row < model()->rowCount(); row++) {
+    networkIdx = model()->index(row, 0);
+    if(model()->rowCount(networkIdx) ==  0)
+      continue;
+
+    networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
+    if(!networkId.isValid())
+      continue;
+
+    setExpandedState(networkIdx);
+  }
+
+  if(config()) {
+    // update selection to current one
+    Client::bufferModel()->synchronizeView(this);
+  }
+}
+
+void BufferView::storeExpandedState(const QModelIndex &networkIdx) {
+  NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
+
+  int oldState = 0;
+  if(isExpanded(networkIdx))
+    oldState |= WasExpanded;
+  if(model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool())
+    oldState |= WasActive;
+
+  _expandedState[networkId] = oldState;
+}
+
+void BufferView::setExpandedState(const QModelIndex &networkIdx) {
+  if(model()->data(networkIdx, NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
+    return;
+
+  if(model()->rowCount(networkIdx) == 0)
+    return;
+
+  NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
+
+  bool networkActive = model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool();
+  bool expandNetwork = networkActive;
+  if(_expandedState.contains(networkId)) {
+    int oldState = _expandedState[networkId];
+    if((bool)(oldState & WasActive) == networkActive)
+      expandNetwork = (bool)(oldState & WasExpanded);
+  }
+
+  if(expandNetwork != isExpanded(networkIdx)) {
+    update(networkIdx);
+    setExpanded(networkIdx, expandNetwork);
+  }
+  storeExpandedState(networkIdx); // this call is needed to keep track of the isActive state
+}
+
 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
   QTreeView::dataChanged(topLeft, bottomRight);
-  
+
   // determine how many items have been changed and if any of them is a networkitem
   // which just swichted from active to inactive or vice versa
   if(topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
     return;
 
   for(int i = topLeft.row(); i <= bottomRight.row(); i++) {
-    QModelIndex networkIdx = topLeft.sibling(topLeft.row(), 0);
-    if(model()->rowCount(networkIdx) == 0)
-      continue;
-
-    bool isActive = networkIdx.data(NetworkModel::ItemActiveRole).toBool();
-    if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, isActive);
+    QModelIndex networkIdx = topLeft.sibling(i, 0);
+    setExpandedState(networkIdx);
   }
 }
 
-
 void BufferView::toggleHeader(bool checked) {
   QAction *action = qobject_cast<QAction *>(sender());
   header()->setSectionHidden((action->property("column")).toInt(), !checked);
 }
 
-void BufferView::showContextMenu(const QPoint &pos) {
-  QModelIndex index = indexAt(pos);
-  if(!index.isValid()) return;
+void BufferView::contextMenuEvent(QContextMenuEvent *event) {
+  QModelIndex index = indexAt(event->pos());
+  if(!index.isValid())
+    index = rootIndex();
+
   QMenu contextMenu(this);
-  QAction *connectNetAction = new QAction(tr("Connect"), this);
-  QAction *disconnectNetAction = new QAction(tr("Disconnect"), this);
-  QAction *joinChannelAction = new QAction(tr("Join Channel"), this);
-
-  QAction *joinBufferAction = new QAction(tr("Join"), this);
-  QAction *partBufferAction = new QAction(tr("Part"), this);
-  QAction *removeBufferAction = new QAction(tr("Delete buffer"), this);
-
-  QMenu *hideEventsMenu = new QMenu(tr("Hide Events"), this);
-  QAction *hideJoinAction = hideEventsMenu->addAction(tr("Join Events"));
-  QAction *hidePartAction = hideEventsMenu->addAction(tr("Part Events"));
-  QAction *hideKillAction = hideEventsMenu->addAction(tr("Kill Events"));
-  QAction *hideQuitAction = hideEventsMenu->addAction(tr("Quit Events"));
-  QAction *hideModeAction = hideEventsMenu->addAction(tr("Mode Events"));
-  hideJoinAction->setCheckable(true);
-  hidePartAction->setCheckable(true);
-  hideKillAction->setCheckable(true);
-  hideQuitAction->setCheckable(true);
-  hideModeAction->setCheckable(true);
-  hideJoinAction->setEnabled(false);
-  hidePartAction->setEnabled(false);
-  hideKillAction->setEnabled(false);
-  hideQuitAction->setEnabled(false);
-  hideModeAction->setEnabled(false);
-
-  QAction *ignoreListAction = new QAction(tr("Ignore list"), this);
-  ignoreListAction->setEnabled(false);
-  QAction *whoBufferAction = new QAction(tr("WHO"), this);
-
-  if(index.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType) {
-    if(index.data(NetworkModel::ItemActiveRole).toBool()) {
-      contextMenu.addAction(disconnectNetAction);
-      contextMenu.addSeparator();
-      contextMenu.addAction(joinChannelAction);
-    } else {
-      contextMenu.addAction(connectNetAction);
-    }
+
+  if(index.isValid()) {
+    addActionsToMenu(&contextMenu, index);
   }
 
-  BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
-  QString channelname = index.sibling(index.row(), 0).data().toString();
-
-  if(index.data(NetworkModel::ItemTypeRole) == NetworkModel::BufferItemType) {
-    if(bufferInfo.type() != BufferInfo::ChannelBuffer && bufferInfo.type() != BufferInfo::QueryBuffer) return;
-    contextMenu.addAction(joinBufferAction);
-    contextMenu.addAction(partBufferAction);
-    contextMenu.addAction(removeBufferAction);
-    contextMenu.addMenu(hideEventsMenu);
-    contextMenu.addAction(ignoreListAction);
-    contextMenu.addAction(whoBufferAction);
-
-    if(bufferInfo.type() == BufferInfo::ChannelBuffer) {
-      if(index.data(NetworkModel::ItemActiveRole).toBool()) {
-        removeBufferAction->setEnabled(false);
-        removeBufferAction->setToolTip("To delete the buffer, part the channel first.");
-        joinBufferAction->setVisible(false);
-        whoBufferAction->setVisible(false);
-      } else {
-        partBufferAction->setVisible(false);
+  addFilterActions(&contextMenu, index);
+
+  if(!contextMenu.actions().isEmpty())
+    contextMenu.exec(QCursor::pos());
+}
+
+void BufferView::addActionsToMenu(QMenu *contextMenu, const QModelIndex &index) {
+  QModelIndexList indexList = selectedIndexes();
+  // make sure the item we clicked on is first
+  indexList.removeAll(index);
+  indexList.prepend(index);
+
+  GraphicalUi::contextMenuActionProvider()->addActions(contextMenu, indexList, this, "menuActionTriggered", (bool)config());
+}
+
+void BufferView::addFilterActions(QMenu *contextMenu, const QModelIndex &index) {
+  BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
+  if(filter) {
+    QList<QAction *> filterActions = filter->actions(index);
+    if(!filterActions.isEmpty()) {
+      contextMenu->addSeparator();
+      foreach(QAction *action, filterActions) {
+       contextMenu->addAction(action);
       }
-    } else {
-      joinBufferAction->setVisible(false);
-      partBufferAction->setVisible(false);
     }
   }
+}
 
-  QAction *result = contextMenu.exec(QCursor::pos());
-  if(result == connectNetAction || result == disconnectNetAction) {
-    const Network *network = Client::network(index.data(NetworkModel::NetworkIdRole).value<NetworkId>());
-    if(!network) return;
-    if(network->connectionState() == Network::Disconnected) 
-      network->requestConnect();
-    else 
-      network->requestDisconnect();
-  } else
-  if(result == joinChannelAction) {
-    // FIXME no QInputDialog in Qtopia
-#ifndef Q_WS_QWS
-    bool ok;
-    QString channelName = QInputDialog::getText(this, tr("Join Channel"), 
-                                                tr("Input channel name:"),QLineEdit::Normal,
-                                                QDir::home().dirName(), &ok);
-
-    if (ok && !channelName.isEmpty()) {
-      BufferInfo bufferInfo = index.child(0,0).data(NetworkModel::BufferInfoRole).value<BufferInfo>();
-      if(bufferInfo.isValid()) {
-        Client::instance()->userInput(bufferInfo, QString("/J %1").arg(channelName));
-      }
-    }
-#endif
-  } else
-  if(result == joinBufferAction) {
-    Client::instance()->userInput(bufferInfo, QString("/JOIN %1").arg(channelname));
-  } else
-  if(result == partBufferAction) {
-    Client::instance()->userInput(bufferInfo, QString("/PART %1").arg(channelname));
-  } else
-  if(result == removeBufferAction) {
-    int res = QMessageBox::question(this, tr("Remove buffer permanently?"),
-                                    tr("Do you want to delete the buffer \"%1\" permanently? This will delete all related data, including all backlog "
-                                       "data, from the core's database!").arg(bufferInfo.bufferName()),
-                                        QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
-    if(res == QMessageBox::Yes) {
-      Client::removeBuffer(bufferInfo.bufferId());
-    } 
-  } else 
-  if(result == whoBufferAction) {
-    Client::instance()->userInput(bufferInfo, QString("/WHO %1").arg(channelname));
+void BufferView::menuActionTriggered(QAction *result) {
+  ContextMenuActionProvider::ActionType type = (ContextMenuActionProvider::ActionType)result->data().toInt();
+  switch(type) {
+    case ContextMenuActionProvider::HideBufferTemporarily:
+      removeSelectedBuffers();
+      break;
+    case ContextMenuActionProvider::HideBufferPermanently:
+      removeSelectedBuffers(true);
+      break;
+    default:
+      return;
   }
 }
 
 void BufferView::wheelEvent(QWheelEvent* event) {
-  if(UiSettings().value("MouseWheelChangesBuffers", QVariant(true)).toBool() == (bool)(event->modifiers() & Qt::AltModifier))
+  if(ItemViewSettings().mouseWheelChangesBuffer() == (bool)(event->modifiers() & Qt::AltModifier))
     return QTreeView::wheelEvent(event);
 
   int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
@@ -353,13 +447,12 @@ void BufferView::wheelEvent(QWheelEvent* event) {
       }
   selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows );
   selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect );
-  
-}
 
+}
 
 QSize BufferView::sizeHint() const {
   return QTreeView::sizeHint();
-  
+
   if(!model())
     return QTreeView::sizeHint();
 
@@ -374,6 +467,58 @@ QSize BufferView::sizeHint() const {
   return QSize(columnSize, 50);
 }
 
+
+// ****************************************
+//  BufferViewDelgate
+// ****************************************
+class ColorsChangedEvent : public QEvent {
+public:
+  ColorsChangedEvent() : QEvent(QEvent::User) {};
+};
+
+BufferViewDelegate::BufferViewDelegate(QObject *parent)
+  : QStyledItemDelegate(parent)
+{
+}
+
+void BufferViewDelegate::customEvent(QEvent *event) {
+  if(event->type() != QEvent::User)
+    return;
+
+  event->accept();
+}
+
+bool BufferViewDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index) {
+  if(event->type() != QEvent::MouseButtonRelease)
+    return QStyledItemDelegate::editorEvent(event, model, option, index);
+
+  if(!(model->flags(index) & Qt::ItemIsUserCheckable))
+    return QStyledItemDelegate::editorEvent(event, model, option, index);
+
+  QVariant value = index.data(Qt::CheckStateRole);
+  if(!value.isValid())
+    return QStyledItemDelegate::editorEvent(event, model, option, index);
+
+  QStyleOptionViewItemV4 viewOpt(option);
+  initStyleOption(&viewOpt, index);
+
+  QRect checkRect = viewOpt.widget->style()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, viewOpt.widget);
+  QMouseEvent *me = static_cast<QMouseEvent*>(event);
+
+  if(me->button() != Qt::LeftButton || !checkRect.contains(me->pos()))
+    return QStyledItemDelegate::editorEvent(event, model, option, index);
+
+  Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
+  if(state == Qt::Unchecked)
+    state = Qt::PartiallyChecked;
+  else if(state == Qt::PartiallyChecked)
+    state = Qt::Checked;
+  else
+    state = Qt::Unchecked;
+  model->setData(index, state, Qt::CheckStateRole);
+  return true;
+}
+
 // ==============================
 //  BufferView Dock
 // ==============================
@@ -386,15 +531,26 @@ BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent)
   connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &)));
 }
 
-BufferViewDock::BufferViewDock(QWidget *parent)
-  : QDockWidget(tr("All Buffers"), parent)
-{
-  setObjectName("BufferViewDock--1");
-  toggleViewAction()->setData((int)-1);
-  setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
-}
-
 void BufferViewDock::bufferViewRenamed(const QString &newName) {
   setWindowTitle(newName);
   toggleViewAction()->setText(newName);
 }
+
+int BufferViewDock::bufferViewId() const {
+  BufferView *view = bufferView();
+  if(!view)
+    return 0;
+
+  if(view->config())
+    return view->config()->bufferViewId();
+  else
+    return 0;
+}
+
+BufferViewConfig *BufferViewDock::config() const {
+  BufferView *view = bufferView();
+  if(!view)
+    return 0;
+  else
+    return view->config();
+}