X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fuisupport%2Fbufferview.cpp;h=645634b842725c7291ae0f355775f975068c1cf5;hp=addea42bce7876efb59c6bbf00efcd1e11bcb36d;hb=ba3f171f93c522212aee15eb5ce23db4dca6e359;hpb=19eb49e171a5a39e1ba8d6c92fd97256aeb949e1 diff --git a/src/uisupport/bufferview.cpp b/src/uisupport/bufferview.cpp index addea42b..645634b8 100644 --- a/src/uisupport/bufferview.cpp +++ b/src/uisupport/bufferview.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2005-09 by the Quassel Project * + * Copyright (C) 2005-2018 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * @@ -15,498 +15,873 @@ * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************/ #include "bufferview.h" -#include #include +#include #include #include #include #include #include #include +#include #include "action.h" #include "buffermodel.h" -#include "bufferviewfilter.h" #include "buffersettings.h" #include "buffersyncer.h" +#include "bufferviewfilter.h" #include "client.h" -#include "iconloader.h" +#include "contextmenuactionprovider.h" +#include "graphicalui.h" #include "network.h" #include "networkmodel.h" -#include "networkmodelactionprovider.h" -#include "quasselui.h" -#include "uisettings.h" -bool TristateDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index) { - if(event->type() != QEvent::MouseButtonRelease) - return QStyledItemDelegate::editorEvent(event, model, option, index); +/***************************************** + * 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 (or TreeViewTouch's) +BufferView::BufferView(QWidget* parent) + : TreeViewTouch(parent) +{ + connect(this, &QTreeView::collapsed, this, &BufferView::storeExpandedState); + connect(this, &QTreeView::expanded, this, &BufferView::storeExpandedState); - if(!(model->flags(index) & Qt::ItemIsUserCheckable)) - return QStyledItemDelegate::editorEvent(event, model, option, index); + setSelectionMode(QAbstractItemView::ExtendedSelection); - QVariant value = index.data(Qt::CheckStateRole); - if(!value.isValid()) - return QStyledItemDelegate::editorEvent(event, model, option, index); + QAbstractItemDelegate* oldDelegate = itemDelegate(); + auto* tristateDelegate = new BufferViewDelegate(this); + setItemDelegate(tristateDelegate); + delete oldDelegate; +} - QStyleOptionViewItemV4 viewOpt(option); - initStyleOption(&viewOpt, index); +void BufferView::init() +{ + header()->setContextMenuPolicy(Qt::ActionsContextMenu); + hideColumn(1); + hideColumn(2); + setIndentation(10); - QRect checkRect = viewOpt.widget->style()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, viewOpt.widget); - QMouseEvent *me = static_cast(event); + // New entries will be expanded automatically when added; no need to call expandAll() - if(me->button() != Qt::LeftButton || !checkRect.contains(me->pos())) - return QStyledItemDelegate::editorEvent(event, model, option, index); + header()->hide(); // nobody seems to use this anyway - Qt::CheckState state = static_cast(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; -} + setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + setAnimated(true); + // FIXME This is to workaround bug #663 + setUniformRowHeights(true); +#ifndef QT_NO_DRAGANDDROP + setDragEnabled(true); + setAcceptDrops(true); + setDropIndicatorShown(true); +#endif -/***************************************** -* 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) + setSortingEnabled(true); + sortByColumn(0, Qt::AscendingOrder); + +#if defined Q_OS_MACOS || defined Q_OS_WIN + // afaik this is better on Mac and Windows + connect(this, &QAbstractItemView::activated, this, &BufferView::joinChannel, Qt::UniqueConnection); +#else + connect(this, &QAbstractItemView::doubleClicked, this, &BufferView::joinChannel, Qt::UniqueConnection); +#endif +} + +void BufferView::setModel(QAbstractItemModel* model) { - connect(this, SIGNAL(collapsed(const QModelIndex &)), SLOT(storeExpandedState(const QModelIndex &))); - connect(this, SIGNAL(expanded(const QModelIndex &)), SLOT(storeExpandedState(const QModelIndex &))); + delete selectionModel(); + + TreeViewTouch::setModel(model); + init(); + // remove old Actions + QList oldactions = header()->actions(); + foreach (QAction* action, oldactions) { + header()->removeAction(action); + action->deleteLater(); + } + + if (!model) + return; + + QString sectionName; + QAction* showSection; + for (int i = 1; i < model->columnCount(); i++) { + sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString(); + showSection = new QAction(sectionName, header()); + showSection->setCheckable(true); + showSection->setChecked(!isColumnHidden(i)); + showSection->setProperty("column", i); + connect(showSection, &QAction::toggled, this, &BufferView::toggleHeader); + header()->addAction(showSection); + } - setSelectionMode(QAbstractItemView::ExtendedSelection); + connect(model, &QAbstractItemModel::layoutChanged, this, &BufferView::on_layoutChanged); - QAbstractItemDelegate *oldDelegate = itemDelegate(); - TristateDelegate *tristateDelegate = new TristateDelegate(this); - setItemDelegate(tristateDelegate); - delete oldDelegate; + // Make sure collapsation is correct after setting a model + // This might not be needed here, only in BufferView::setFilteredModel(). If issues arise, just + // move down to setFilteredModel (which calls this function). + setExpandedState(); } -void BufferView::init() { - header()->setContextMenuPolicy(Qt::ActionsContextMenu); - hideColumn(1); - hideColumn(2); - setIndentation(10); - expandAll(); +void BufferView::setFilteredModel(QAbstractItemModel* model_, BufferViewConfig* config) +{ + auto* filter = qobject_cast(model()); + if (filter) { + filter->setConfig(config); + setConfig(config); + return; + } - setAnimated(true); + if (model()) { + disconnect(this, nullptr, model(), nullptr); + disconnect(model(), nullptr, this, nullptr); + } -#ifndef QT_NO_DRAGANDDROP - setDragEnabled(true); - setAcceptDrops(true); - setDropIndicatorShown(true); -#endif + if (!model_) { + setModel(model_); + } + else { + auto* filter = new BufferViewFilter(model_, config); + setModel(filter); + connect(filter, &BufferViewFilter::configChanged, this, &BufferView::on_configChanged); + } + setConfig(config); +} - setSortingEnabled(true); - sortByColumn(0, Qt::AscendingOrder); +void BufferView::setConfig(BufferViewConfig* config) +{ + if (_config == config) + return; - // activated() fails on X11 and Qtopia at least -#if defined Q_WS_QWS || defined Q_WS_X11 - connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(joinChannel(QModelIndex))); -#else - // afaik this is better on Mac and Windows - connect(this, SIGNAL(activated(QModelIndex)), SLOT(joinChannel(QModelIndex))); -#endif + if (_config) { + disconnect(_config, nullptr, this, nullptr); + } + + _config = config; + if (config) { + connect(config, &BufferViewConfig::networkIdSet, this, &BufferView::setRootIndexForNetworkId); + setRootIndexForNetworkId(config->networkId()); + } + else { + setIndentation(10); + setRootIndex(QModelIndex()); + } } -void BufferView::setModel(QAbstractItemModel *model) { - delete selectionModel(); +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()) + setRootIndex(child); + } + } +} - QTreeView::setModel(model); - init(); - // remove old Actions - QList oldactions = header()->actions(); - foreach(QAction *action, oldactions) { - header()->removeAction(action); - action->deleteLater(); - } +void BufferView::joinChannel(const QModelIndex& index) +{ + BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value(); - if(!model) - return; + if (bufferType != BufferInfo::ChannelBuffer) + return; - QString sectionName; - QAction *showSection; - for(int i = 1; i < model->columnCount(); i++) { - sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString(); - showSection = new QAction(sectionName, header()); - showSection->setCheckable(true); - showSection->setChecked(!isColumnHidden(i)); - showSection->setProperty("column", i); - connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool))); - header()->addAction(showSection); - } + BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value(); + Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName())); } -void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *config) { - BufferViewFilter *filter = qobject_cast(model()); - if(filter) { - filter->setConfig(config); - setConfig(config); - return; - } - - if(model()) { - disconnect(this, 0, model(), 0); - disconnect(model(), 0, this, 0); - } - - if(!model_) { - setModel(model_); - } else { - BufferViewFilter *filter = new BufferViewFilter(model_, config); - setModel(filter); - 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(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); - } - - _config = config; - if(config) { - connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &))); - setRootIndexForNetworkId(config->networkId()); - } else { - setIndentation(10); - setRootIndex(QModelIndex()); - } +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> 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(); + + // 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::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()) - setRootIndex(child); +void BufferView::removeSelectedBuffers(bool permanently) +{ + if (!config()) + return; + + BufferId bufferId; + QSet removedRows; + foreach (QModelIndex index, selectionModel()->selectedIndexes()) { + if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType) + continue; + + bufferId = index.data(NetworkModel::BufferIdRole).value(); + if (removedRows.contains(bufferId)) + continue; + + removedRows << bufferId; } - } -} -void BufferView::joinChannel(const QModelIndex &index) { - BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value(); + foreach (BufferId bufferId, removedRows) { + if (permanently) + config()->requestRemoveBufferPermanently(bufferId); + else + config()->requestRemoveBuffer(bufferId); + } +} - if(bufferType != BufferInfo::ChannelBuffer) - return; +void BufferView::rowsInserted(const QModelIndex& parent, int start, int end) +{ + TreeViewTouch::rowsInserted(parent, start, end); - BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value(); + // ensure that newly inserted network nodes are expanded per default + if (parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType) + return; - Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName())); + setExpandedState(parent); } -void BufferView::keyPressEvent(QKeyEvent *event) { - if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) { - event->accept(); - removeSelectedBuffers(); - } - QTreeView::keyPressEvent(event); +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::dropEvent(QDropEvent *event) { - QModelIndex index = indexAt(event->pos()); +void BufferView::on_configChanged() +{ + Q_ASSERT(model()); + + // Expand/collapse as needed + setExpandedState(); - QRect indexRect = visualRect(index); - QPoint cursorPos = event->pos(); + if (config()) { + // update selection to current one + Client::bufferModel()->synchronizeView(this); + } +} - // 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); +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(); + if (!networkId.isValid()) + continue; + + setExpandedState(networkIdx); + } +} - QList< QPair > bufferList = Client::networkModel()->mimeDataToBufferList(event->mimeData()); - if(bufferList.count() != 1) - return QTreeView::dropEvent(event); +void BufferView::storeExpandedState(const QModelIndex& networkIdx) +{ + NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value(); - NetworkId networkId = bufferList[0].first; - BufferId bufferId2 = bufferList[0].second; + int oldState = 0; + if (isExpanded(networkIdx)) + oldState |= WasExpanded; + if (model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool()) + oldState |= WasActive; - if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType) - return QTreeView::dropEvent(event); + _expandedState[networkId] = oldState; +} - if(index.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer) - return QTreeView::dropEvent(event); +void BufferView::setExpandedState(const QModelIndex& networkIdx) +{ + if (model()->data(networkIdx, NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType) + return; - if(index.data(NetworkModel::NetworkIdRole).value() != networkId) - return QTreeView::dropEvent(event); + if (model()->rowCount(networkIdx) == 0) + return; - BufferId bufferId1 = index.data(NetworkModel::BufferIdRole).value(); - if(bufferId1 == bufferId2) - return QTreeView::dropEvent(event); + NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value(); - 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); - } -} + 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); + } -void BufferView::removeSelectedBuffers(bool permanently) { - if(!config()) - return; + if (expandNetwork != isExpanded(networkIdx)) { + update(networkIdx); + setExpanded(networkIdx, expandNetwork); + } + storeExpandedState(networkIdx); // this call is needed to keep track of the isActive state +} - BufferId bufferId; - QSet removedRows; - foreach(QModelIndex index, selectionModel()->selectedIndexes()) { - if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType) - continue; +void BufferView::dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight, const QVector& roles) +{ + TreeViewTouch::dataChanged(topLeft, bottomRight, roles); - bufferId = index.data(NetworkModel::BufferIdRole).value(); - if(removedRows.contains(bufferId)) - continue; + // 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; - removedRows << bufferId; + for (int i = topLeft.row(); i <= bottomRight.row(); i++) { + QModelIndex networkIdx = topLeft.sibling(i, 0); + setExpandedState(networkIdx); + } +} - if(permanently) - config()->requestRemoveBufferPermanently(bufferId); - else - config()->requestRemoveBuffer(bufferId); - } +void BufferView::toggleHeader(bool checked) +{ + auto* action = qobject_cast(sender()); + header()->setSectionHidden((action->property("column")).toInt(), !checked); } -void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) { - QTreeView::rowsInserted(parent, start, end); +void BufferView::contextMenuEvent(QContextMenuEvent* event) +{ + QModelIndex index = indexAt(event->pos()); + if (!index.isValid()) + index = rootIndex(); + + QMenu contextMenu(this); - // ensure that newly inserted network nodes are expanded per default - if(parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType) - return; + if (index.isValid()) { + addActionsToMenu(&contextMenu, index); + } + + addFilterActions(&contextMenu, index); - if(model()->rowCount(parent) == 1 && parent.data(NetworkModel::ItemActiveRole) == true) { - // without updating the parent the expand will have no effect... Qt Bug? - update(parent); - expand(parent); - } + if (!contextMenu.actions().isEmpty()) + contextMenu.exec(QCursor::pos()); } -void BufferView::on_configChanged() { - Q_ASSERT(model()); +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); - // 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; + GraphicalUi::contextMenuActionProvider()->addActions(contextMenu, indexList, this, &BufferView::menuActionTriggered, (bool)config()); +} - networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value(); - if(!networkId.isValid()) - continue; +void BufferView::addFilterActions(QMenu* contextMenu, const QModelIndex& index) +{ + auto* filter = qobject_cast(model()); + if (filter) { + QList filterActions = filter->actions(index); + if (!filterActions.isEmpty()) { + contextMenu->addSeparator(); + foreach (QAction* action, filterActions) { + contextMenu->addAction(action); + } + } + } +} - update(networkIdx); - setExpandedState(networkIdx); - } +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; + } +} - if(config()) { - // update selection to current one - Client::bufferModel()->synchronizeView(this); - } +void BufferView::nextBuffer() +{ + changeBuffer(Forward); +} - return; +void BufferView::previousBuffer() +{ + changeBuffer(Backward); } -void BufferView::storeExpandedState(const QModelIndex &networkIdx) { - NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value(); +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)) + resultingIndex = newParent.child(model()->rowCount(newParent) - 1, 0); + else + resultingIndex = newParent; + } + else { + if (model()->hasChildren(currentIndex)) + resultingIndex = currentIndex.child(0, 0); + else + resultingIndex = currentIndex.sibling(currentIndex.row() + 1, 0); + } + } - int oldState = 0; - if(isExpanded(networkIdx)) - oldState |= WasExpanded; - if(model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool()) - oldState |= WasActive; + if (!resultingIndex.isValid()) { + if (direction == Forward) + resultingIndex = model()->index(0, 0, QModelIndex()); + else + resultingIndex = lastNetIndex.child(model()->rowCount(lastNetIndex) - 1, 0); + } - _expandedState[networkId] = oldState; + selectionModel()->setCurrentIndex(resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows); + selectionModel()->select(resultingIndex, QItemSelectionModel::ClearAndSelect); } -void BufferView::setExpandedState(const QModelIndex &networkIdx) { - if(model()->data(networkIdx, NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType) - return; +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(model()->rowCount(networkIdx) == 0) - return; + if (!bufferIndex.isValid()) { + return; + } - NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value(); + selectionModel()->setCurrentIndex(bufferIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows); + selectionModel()->select(bufferIndex, QItemSelectionModel::ClearAndSelect); +} - 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); - } +void BufferView::wheelEvent(QWheelEvent* event) +{ + if (ItemViewSettings().mouseWheelChangesBuffer() == (bool)(event->modifiers() & Qt::AltModifier)) + return TreeViewTouch::wheelEvent(event); - storeExpandedState(networkIdx); // this call is needed to keep track of the isActive state - if(expandNetwork != isExpanded(networkIdx)) - setExpanded(networkIdx, expandNetwork); + int rowDelta = (event->delta() > 0) ? -1 : 1; + changeBuffer((Direction)rowDelta); } -void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) { - QTreeView::dataChanged(topLeft, bottomRight); +void BufferView::hideCurrentBuffer() +{ + QModelIndex index = selectionModel()->currentIndex(); + if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType) + return; + + BufferId bufferId = index.data(NetworkModel::BufferIdRole).value(); - // 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; + // 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); - for(int i = topLeft.row(); i <= bottomRight.row(); i++) { - QModelIndex networkIdx = topLeft.sibling(i, 0); - setExpandedState(networkIdx); - } + config()->requestRemoveBuffer(bufferId); } -void BufferView::toggleHeader(bool checked) { - QAction *action = qobject_cast(sender()); - header()->setSectionHidden((action->property("column")).toInt(), !checked); +void BufferView::filterTextChanged(const QString& filterString) +{ + auto* filter = qobject_cast(model()); + if (!filter) { + return; + } + filter->setFilterString(filterString); + on_configChanged(); // make sure collapsation is correct } -void BufferView::contextMenuEvent(QContextMenuEvent *event) { - QModelIndex index = indexAt(event->pos()); - if(!index.isValid()) - index = rootIndex(); +void BufferView::changeHighlight(BufferView::Direction direction) +{ + // If for some weird reason we get a new delegate + auto delegate = qobject_cast(itemDelegate(_currentHighlight)); + if (delegate) { + delegate->currentHighlight = QModelIndex(); + } + + QModelIndex newIndex = _currentHighlight; + if (!newIndex.isValid()) { + newIndex = model()->index(0, 0); + } - QMenu contextMenu(this); + if (direction == Backward) { + newIndex = indexBelow(newIndex); + } + else { + newIndex = indexAbove(newIndex); + } - if(index.isValid()) { - addActionsToMenu(&contextMenu, index); - } + if (!newIndex.isValid()) { + return; + } - addFilterActions(&contextMenu, index); + _currentHighlight = newIndex; - if(!contextMenu.actions().isEmpty()) - contextMenu.exec(QCursor::pos()); + delegate = qobject_cast(itemDelegate(_currentHighlight)); + if (delegate) { + delegate->currentHighlight = _currentHighlight; + } + viewport()->update(); } -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); +void BufferView::selectHighlighted() +{ + if (_currentHighlight.isValid()) { + selectionModel()->setCurrentIndex(_currentHighlight, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows); + selectionModel()->select(_currentHighlight, QItemSelectionModel::ClearAndSelect); + } + else { + selectFirstBuffer(); + } - Client::mainUi()->actionProvider()->addActions(contextMenu, indexList, this, "menuActionTriggered", (bool)config()); + clearHighlight(); } -void BufferView::addFilterActions(QMenu *contextMenu, const QModelIndex &index) { - BufferViewFilter *filter = qobject_cast(model()); - if(filter) { - QList filterActions = filter->actions(index); - if(!filterActions.isEmpty()) { - contextMenu->addSeparator(); - foreach(QAction *action, filterActions) { - contextMenu->addAction(action); - } +void BufferView::clearHighlight() +{ + // If for some weird reason we get a new delegate + auto delegate = qobject_cast(itemDelegate(_currentHighlight)); + if (delegate) { + delegate->currentHighlight = QModelIndex(); } - } + _currentHighlight = QModelIndex(); + viewport()->update(); } -void BufferView::menuActionTriggered(QAction *result) { - NetworkModelActionProvider::ActionType type = (NetworkModelActionProvider::ActionType)result->data().toInt(); - switch(type) { - case NetworkModelActionProvider::HideBufferTemporarily: - removeSelectedBuffers(); - break; - case NetworkModelActionProvider::HideBufferPermanently: - removeSelectedBuffers(true); - break; - default: - return; - } -} - -void BufferView::wheelEvent(QWheelEvent* event) { - if(UiSettings().value("MouseWheelChangesBuffers", QVariant(true)).toBool() == (bool)(event->modifiers() & Qt::AltModifier)) - return QTreeView::wheelEvent(event); - - int rowDelta = ( event->delta() > 0 ) ? -1 : 1; - QModelIndex currentIndex = selectionModel()->currentIndex(); - QModelIndex resultingIndex; - if( model()->hasIndex( currentIndex.row() + rowDelta, currentIndex.column(), currentIndex.parent() ) ) - { - resultingIndex = currentIndex.sibling( currentIndex.row() + rowDelta, currentIndex.column() ); - } - else //if we scroll into a the parent node... - { - QModelIndex parent = currentIndex.parent(); - QModelIndex aunt = parent.sibling( parent.row() + rowDelta, parent.column() ); - if( rowDelta == -1 ) - resultingIndex = aunt.child( model()->rowCount( aunt ) - 1, 0 ); - else - resultingIndex = aunt.child( 0, 0 ); - if( !resultingIndex.isValid() ) - return; - } - selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows ); - selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect ); +// **************************************** +// 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; + + event->accept(); } -QSize BufferView::sizeHint() const { - return QTreeView::sizeHint(); +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); - if(!model()) - return QTreeView::sizeHint(); + QVariant value = index.data(Qt::CheckStateRole); + if (!value.isValid()) + return QStyledItemDelegate::editorEvent(event, model, option, index); - if(model()->rowCount() == 0) - return QSize(120, 50); + QStyleOptionViewItem viewOpt(option); + initStyleOption(&viewOpt, index); - int columnSize = 0; - for(int i = 0; i < model()->columnCount(); i++) { - if(!isColumnHidden(i)) - columnSize += sizeHintForColumn(i); - } - return QSize(columnSize, 50); + QRect checkRect = viewOpt.widget->style()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, viewOpt.widget); + auto* me = static_cast(event); + + if (me->button() != Qt::LeftButton || !checkRect.contains(me->pos())) + return QStyledItemDelegate::editorEvent(event, model, option, index); + + auto state = static_cast(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 // ============================== -BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent) - : QDockWidget(config->bufferViewName(), parent) +BufferViewDock::BufferViewDock(BufferViewConfig* config, QWidget* parent) + : QDockWidget(parent) + , _childWidget(nullptr) + , _widget(new QWidget(parent)) + , _filterEdit(new QLineEdit(parent)) + , _active(false) + , _title(config->bufferViewName()) +{ + setObjectName("BufferViewDock-" + QString::number(config->bufferViewId())); + toggleViewAction()->setData(config->bufferViewId()); + setAllowedAreas(Qt::RightDockWidgetArea | Qt::LeftDockWidgetArea); + connect(config, &BufferViewConfig::bufferViewNameSet, this, &BufferViewDock::bufferViewRenamed); + connect(config, &BufferViewConfig::configChanged, this, &BufferViewDock::configChanged); + updateTitle(); + + _widget->setLayout(new QVBoxLayout); + _widget->layout()->setSpacing(0); + _widget->layout()->setContentsMargins(0, 0, 0, 0); + + // We need to potentially hide it early, so it doesn't flicker + _filterEdit->setVisible(config->showSearch()); + _filterEdit->setFocusPolicy(Qt::ClickFocus); + _filterEdit->installEventFilter(this); + _filterEdit->setPlaceholderText(tr("Search...")); + connect(_filterEdit, &QLineEdit::returnPressed, this, &BufferViewDock::onFilterReturnPressed); + + _widget->layout()->addWidget(_filterEdit); + QDockWidget::setWidget(_widget); +} + +void BufferViewDock::setLocked(bool locked) +{ + if (locked) { + setFeatures(nullptr); + } + else { + setFeatures(QDockWidget::DockWidgetClosable | QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable); + } +} + +void BufferViewDock::updateTitle() +{ + QString title = _title; + if (isActive()) + title.prepend(QString::fromUtf8("• ")); + setWindowTitle(title); +} + +void BufferViewDock::configChanged() +{ + if (_filterEdit->isVisible() != config()->showSearch()) { + _filterEdit->setVisible(config()->showSearch()); + _filterEdit->clear(); + } +} + +void BufferViewDock::onFilterReturnPressed() +{ + if (_oldFocusItem) { + _oldFocusItem->setFocus(); + _oldFocusItem = nullptr; + } + + if (!config()->showSearch()) { + _filterEdit->setVisible(false); + } + + BufferView* view = bufferView(); + if (!view) { + return; + } + + if (!_filterEdit->text().isEmpty()) { + view->selectHighlighted(); + _filterEdit->clear(); + } + else { + view->clearHighlight(); + } +} + +void BufferViewDock::setActive(bool active) +{ + if (active != isActive()) { + _active = active; + updateTitle(); + if (active) { + raise(); // for tabbed docks + } + } +} + +bool BufferViewDock::eventFilter(QObject* object, QEvent* event) +{ + if (object != _filterEdit) { + return false; + } + + if (event->type() == QEvent::FocusOut) { + if (!config()->showSearch() && _filterEdit->text().isEmpty()) { + _filterEdit->setVisible(false); + return true; + } + } + else if (event->type() == QEvent::KeyRelease) { + auto keyEvent = static_cast(event); + + BufferView* view = bufferView(); + if (!view) { + return false; + } + + switch (keyEvent->key()) { + case Qt::Key_Escape: { + _filterEdit->clear(); + + if (!_oldFocusItem) { + return false; + } + + _oldFocusItem->setFocus(); + _oldFocusItem = nullptr; + return true; + } + case Qt::Key_Down: + view->changeHighlight(BufferView::Backward); + return true; + case Qt::Key_Up: + view->changeHighlight(BufferView::Forward); + return true; + default: + break; + } + + return false; + } + + return false; +} + +void BufferViewDock::bufferViewRenamed(const QString& newName) +{ + _title = newName; + updateTitle(); + 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 nullptr; + else + return view->config(); +} + +void BufferViewDock::setWidget(QWidget* newWidget) +{ + _widget->layout()->addWidget(newWidget); + _childWidget = newWidget; + + connect(_filterEdit, &QLineEdit::textChanged, bufferView(), &BufferView::filterTextChanged); +} + +void BufferViewDock::activateFilter() { - setObjectName("BufferViewDock-" + QString::number(config->bufferViewId())); - toggleViewAction()->setData(config->bufferViewId()); - setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea); - connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &))); + if (!_filterEdit->isVisible()) { + _filterEdit->setVisible(true); + } + + _oldFocusItem = qApp->focusWidget(); + + _filterEdit->setFocus(); } -void BufferViewDock::bufferViewRenamed(const QString &newName) { - setWindowTitle(newName); - toggleViewAction()->setText(newName); + +void BufferViewDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const +{ + QStyleOptionViewItem newOption = option; + if (index == currentHighlight) { + newOption.state |= QStyle::State_HasFocus; + } + QStyledItemDelegate::paint(painter, newOption, index); }