+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);
+ }
+ }
+}
+
+void BufferView::joinChannel(const QModelIndex& index)
+{
+ BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
+
+ if (bufferType != BufferInfo::ChannelBuffer)
+ return;
+
+ BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
+
+ Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
+}
+
+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
+ // Magic margin number for this is from QAbstractItemViewPrivate::position()
+ const int margin = 2;
+ if (cursorPos.y() - indexRect.top() < margin || indexRect.bottom() - cursorPos.y() < margin)
+ return TreeViewTouch::dropEvent(event);
+
+ // If more than one buffer was being dragged, treat this as a rearrangement instead of a merge request
+ QList<QPair<NetworkId, BufferId>> bufferList = Client::networkModel()->mimeDataToBufferList(event->mimeData());
+ if (bufferList.count() != 1)
+ return TreeViewTouch::dropEvent(event);
+
+ // Get the Buffer ID of the buffer that was being dragged
+ BufferId bufferId2 = bufferList[0].second;
+
+ // Get the Buffer ID of the target buffer
+ BufferId bufferId1 = index.data(NetworkModel::BufferIdRole).value<BufferId>();
+
+ // If the source and target are the same buffer, this was an aborted rearrangement
+ if (bufferId1 == bufferId2)
+ return TreeViewTouch::dropEvent(event);
+
+ // Get index of buffer that was being dragged
+ QModelIndex index2 = Client::networkModel()->bufferIndex(bufferId2);
+
+ // If the buffer being dragged is a channel and we're still joined to it, treat this as a rearrangement
+ // This prevents us from being joined to a channel with no associated UI elements
+ if (index2.data(NetworkModel::BufferTypeRole) == BufferInfo::ChannelBuffer && index2.data(NetworkModel::ItemActiveRole) == true)
+ return TreeViewTouch::dropEvent(event);
+
+ // If the source buffer is not mergeable(AKA not a Channel and not a Query), try rearranging instead
+ if (index2.data(NetworkModel::BufferTypeRole) != BufferInfo::ChannelBuffer
+ && index2.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
+ return TreeViewTouch::dropEvent(event);
+
+ // If the target buffer is not mergeable(AKA not a Channel and not a Query), try rearranging instead
+ if (index.data(NetworkModel::BufferTypeRole) != BufferInfo::ChannelBuffer
+ && index.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
+ return TreeViewTouch::dropEvent(event);
+
+ // Confirm that the user really wants to merge the buffers before doing so
+ int res = QMessageBox::question(nullptr,
+ 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)
+{
+ TreeViewTouch::rowsInserted(parent, start, end);
+
+ // 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/collapse as needed
+ setExpandedState();
+
+ if (config()) {
+ // update selection to current one
+ Client::bufferModel()->synchronizeView(this);
+ }
+}
+
+void BufferView::setExpandedState()
+{
+ // 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);
+ }
+}
+
+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, const QVector<int>& roles)
+{
+ TreeViewTouch::dataChanged(topLeft, bottomRight, roles);
+
+ // 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(i, 0);
+ setExpandedState(networkIdx);
+ }
+}
+
+void BufferView::toggleHeader(bool checked)
+{
+ auto* action = qobject_cast<QAction*>(sender());
+ header()->setSectionHidden((action->property("column")).toInt(), !checked);
+}
+
+void BufferView::contextMenuEvent(QContextMenuEvent* event)
+{
+ QModelIndex index = indexAt(event->pos());
+ if (!index.isValid())
+ index = rootIndex();
+
+ QMenu contextMenu(this);
+
+ if (index.isValid()) {
+ addActionsToMenu(&contextMenu, index);
+ }
+
+ 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, &BufferView::menuActionTriggered, (bool)config());
+}
+
+void BufferView::addFilterActions(QMenu* contextMenu, const QModelIndex& index)
+{
+ auto* 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);
+ }
+ }
+ }
+}
+
+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::nextBuffer()
+{
+ changeBuffer(Forward);
+}
+
+void BufferView::previousBuffer()
+{
+ changeBuffer(Backward);
+}
+
+void BufferView::changeBuffer(Direction direction)
+{
+ QModelIndex currentIndex = selectionModel()->currentIndex();
+ QModelIndex resultingIndex;
+
+ QModelIndex lastNetIndex = model()->index(model()->rowCount() - 1, 0, QModelIndex());
+
+ if (currentIndex.parent().isValid()) {
+ // If we are a child node just switch among siblings unless it's the first/last child
+ resultingIndex = currentIndex.sibling(currentIndex.row() + direction, 0);
+
+ if (!resultingIndex.isValid()) {
+ QModelIndex parent = currentIndex.parent();
+ if (direction == Backward)
+ resultingIndex = parent;
+ else
+ resultingIndex = parent.sibling(parent.row() + direction, 0);
+ }
+ }
+ else {
+ // If we have a toplevel node, try and get an adjacent child
+ if (direction == Backward) {
+ QModelIndex newParent = currentIndex.sibling(currentIndex.row() - 1, 0);
+ if (currentIndex.row() == 0)
+ newParent = lastNetIndex;
+ if (model()->hasChildren(newParent)) {
+ // Treat an invalid QAbstractItemModel as an invalid QModelIndex
+ resultingIndex = (newParent.model() ? newParent.model()->index(model()->rowCount(newParent) - 1, 0, newParent) : QModelIndex());
+ }
+ else
+ resultingIndex = newParent;
+ }
+ else {
+ if (model()->hasChildren(currentIndex)) {
+ // Treat an invalid QAbstractItemModel as an invalid QModelIndex
+ resultingIndex = (currentIndex.model() ? currentIndex.model()->index(0, 0, currentIndex) : QModelIndex());
+ }
+ else
+ resultingIndex = currentIndex.sibling(currentIndex.row() + 1, 0);
+ }
+ }
+
+ if (!resultingIndex.isValid()) {
+ if (direction == Forward)
+ resultingIndex = model()->index(0, 0, QModelIndex());
+ else {
+ // Assume model is valid
+ resultingIndex = lastNetIndex.model()->index(model()->rowCount(lastNetIndex) - 1, 0, lastNetIndex);
+ }
+ }
+
+ selectionModel()->setCurrentIndex(resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
+ selectionModel()->select(resultingIndex, QItemSelectionModel::ClearAndSelect);
+}
+
+void BufferView::selectFirstBuffer()
+{
+ int networksCount = model()->rowCount(QModelIndex());
+ if (networksCount == 0) {
+ return;
+ }
+
+ QModelIndex bufferIndex;
+ for (int row = 0; row < networksCount; row++) {
+ QModelIndex networkIndex = model()->index(row, 0, QModelIndex());
+ int childCount = model()->rowCount(networkIndex);
+ if (childCount > 0) {
+ bufferIndex = model()->index(0, 0, networkIndex);
+ break;
+ }
+ }
+
+ if (!bufferIndex.isValid()) {
+ return;
+ }
+
+ selectionModel()->setCurrentIndex(bufferIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
+ selectionModel()->select(bufferIndex, QItemSelectionModel::ClearAndSelect);
+}
+
+void BufferView::wheelEvent(QWheelEvent* event)
+{
+ if (ItemViewSettings().mouseWheelChangesBuffer() == (bool)(event->modifiers() & Qt::AltModifier))
+ return TreeViewTouch::wheelEvent(event);
+
+ int rowDelta = (event->delta() > 0) ? -1 : 1;
+ changeBuffer((Direction)rowDelta);
+}
+
+void BufferView::hideCurrentBuffer()
+{
+ QModelIndex index = selectionModel()->currentIndex();
+ if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
+ return;
+
+ BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
+
+ // The check above means we won't be looking at a network, which should always be the first row, so we can just go backwards.
+ changeBuffer(Backward);
+
+ config()->requestRemoveBuffer(bufferId);
+}
+
+void BufferView::filterTextChanged(const QString& filterString)
+{
+ auto* filter = qobject_cast<BufferViewFilter*>(model());
+ if (!filter) {
+ return;
+ }
+ filter->setFilterString(filterString);
+ on_configChanged(); // make sure collapsation is correct
+}
+
+void BufferView::changeHighlight(BufferView::Direction direction)
+{
+ // If for some weird reason we get a new delegate
+ auto delegate = qobject_cast<BufferViewDelegate*>(itemDelegate(_currentHighlight));
+ if (delegate) {
+ delegate->currentHighlight = QModelIndex();
+ }
+
+ QModelIndex newIndex = _currentHighlight;
+ if (!newIndex.isValid()) {
+ newIndex = model()->index(0, 0);
+ }
+
+ if (direction == Backward) {
+ newIndex = indexBelow(newIndex);
+ }
+ else {
+ newIndex = indexAbove(newIndex);
+ }
+
+ if (!newIndex.isValid()) {
+ return;
+ }
+
+ _currentHighlight = newIndex;
+
+ delegate = qobject_cast<BufferViewDelegate*>(itemDelegate(_currentHighlight));
+ if (delegate) {
+ delegate->currentHighlight = _currentHighlight;
+ }
+ viewport()->update();
+}
+
+void BufferView::selectHighlighted()
+{
+ if (_currentHighlight.isValid()) {
+ selectionModel()->setCurrentIndex(_currentHighlight, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
+ selectionModel()->select(_currentHighlight, QItemSelectionModel::ClearAndSelect);
+ }
+ else {
+ selectFirstBuffer();
+ }
+
+ clearHighlight();
+}
+
+void BufferView::clearHighlight()
+{
+ // If for some weird reason we get a new delegate
+ auto delegate = qobject_cast<BufferViewDelegate*>(itemDelegate(_currentHighlight));
+ if (delegate) {
+ delegate->currentHighlight = QModelIndex();
+ }
+ _currentHighlight = QModelIndex();
+ viewport()->update();
+}
+
+// ****************************************
+// BufferViewDelegate
+// ****************************************
+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;
+