1 /***************************************************************************
2 * Copyright (C) 2005-2015 by the Quassel Project *
3 * devel@quassel-irc.org *
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. *
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. *
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
21 #include "bufferview.h"
23 #include <QApplication>
26 #include <QHeaderView>
29 #include <QMessageBox>
33 #include "buffermodel.h"
34 #include "bufferviewfilter.h"
35 #include "buffersettings.h"
36 #include "buffersyncer.h"
38 #include "contextmenuactionprovider.h"
39 #include "graphicalui.h"
41 #include "networkmodel.h"
42 #include "contextmenuactionprovider.h"
44 /*****************************************
45 * The TreeView showing the Buffers
46 *****************************************/
47 // Please be carefull when reimplementing methods which are used to inform the view about changes to the data
48 // to be on the safe side: call QTreeView's method aswell
49 BufferView::BufferView(QWidget *parent)
52 connect(this, SIGNAL(collapsed(const QModelIndex &)), SLOT(storeExpandedState(const QModelIndex &)));
53 connect(this, SIGNAL(expanded(const QModelIndex &)), SLOT(storeExpandedState(const QModelIndex &)));
55 setSelectionMode(QAbstractItemView::ExtendedSelection);
57 QAbstractItemDelegate *oldDelegate = itemDelegate();
58 BufferViewDelegate *tristateDelegate = new BufferViewDelegate(this);
59 setItemDelegate(tristateDelegate);
64 void BufferView::init()
66 header()->setContextMenuPolicy(Qt::ActionsContextMenu);
73 header()->hide(); // nobody seems to use this anyway
76 if (QString("4.8.0") > qVersion()) // FIXME breaks with Qt versions >= 4.10!
79 // FIXME This is to workaround bug #663
80 setUniformRowHeights(true);
82 #ifndef QT_NO_DRAGANDDROP
85 setDropIndicatorShown(true);
88 setSortingEnabled(true);
89 sortByColumn(0, Qt::AscendingOrder);
91 // activated() fails on X11 and Qtopia at least
92 #if defined Q_WS_QWS || defined Q_WS_X11
93 disconnect(this, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
94 connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(joinChannel(QModelIndex)));
96 // afaik this is better on Mac and Windows
97 disconnect(this, SIGNAL(activated(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
98 connect(this, SIGNAL(activated(QModelIndex)), SLOT(joinChannel(QModelIndex)));
103 void BufferView::setModel(QAbstractItemModel *model)
105 delete selectionModel();
107 QTreeView::setModel(model);
109 // remove old Actions
110 QList<QAction *> oldactions = header()->actions();
111 foreach(QAction *action, oldactions) {
112 header()->removeAction(action);
113 action->deleteLater();
120 QAction *showSection;
121 for (int i = 1; i < model->columnCount(); i++) {
122 sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString();
123 showSection = new QAction(sectionName, header());
124 showSection->setCheckable(true);
125 showSection->setChecked(!isColumnHidden(i));
126 showSection->setProperty("column", i);
127 connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
128 header()->addAction(showSection);
131 connect(model, SIGNAL(layoutChanged()), this, SLOT(on_layoutChanged()));
135 void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *config)
137 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
139 filter->setConfig(config);
145 disconnect(this, 0, model(), 0);
146 disconnect(model(), 0, this, 0);
153 BufferViewFilter *filter = new BufferViewFilter(model_, config);
155 connect(filter, SIGNAL(configChanged()), this, SLOT(on_configChanged()));
161 void BufferView::setSelectionModel(QItemSelectionModel *selectionModel)
163 if (QTreeView::selectionModel())
164 disconnect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
165 model(), SIGNAL(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
167 QTreeView::setSelectionModel(selectionModel);
168 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
170 connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
171 filter, SLOT(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
176 void BufferView::setConfig(BufferViewConfig *config)
178 if (_config == config)
182 disconnect(_config, 0, this, 0);
187 connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &)));
188 setRootIndexForNetworkId(config->networkId());
192 setRootIndex(QModelIndex());
197 void BufferView::setRootIndexForNetworkId(const NetworkId &networkId)
199 if (!networkId.isValid() || !model()) {
201 setRootIndex(QModelIndex());
205 int networkCount = model()->rowCount();
207 for (int i = 0; i < networkCount; i++) {
208 child = model()->index(i, 0);
209 if (networkId == model()->data(child, NetworkModel::NetworkIdRole).value<NetworkId>())
216 void BufferView::joinChannel(const QModelIndex &index)
218 BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
220 if (bufferType != BufferInfo::ChannelBuffer)
223 BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
225 Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
229 void BufferView::keyPressEvent(QKeyEvent *event)
231 if (event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
233 removeSelectedBuffers();
235 QTreeView::keyPressEvent(event);
239 void BufferView::dropEvent(QDropEvent *event)
241 QModelIndex index = indexAt(event->pos());
243 QRect indexRect = visualRect(index);
244 QPoint cursorPos = event->pos();
246 // check if we're really _on_ the item and not indicating a move to just above or below the item
247 const int margin = 2;
248 if (cursorPos.y() - indexRect.top() < margin
249 || indexRect.bottom() - cursorPos.y() < margin)
250 return QTreeView::dropEvent(event);
252 QList<QPair<NetworkId, BufferId> > bufferList = Client::networkModel()->mimeDataToBufferList(event->mimeData());
253 if (bufferList.count() != 1)
254 return QTreeView::dropEvent(event);
256 BufferId bufferId2 = bufferList[0].second;
258 if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
259 return QTreeView::dropEvent(event);
261 if (index.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
262 return QTreeView::dropEvent(event);
264 BufferId bufferId1 = index.data(NetworkModel::BufferIdRole).value<BufferId>();
265 if (bufferId1 == bufferId2)
266 return QTreeView::dropEvent(event);
268 int res = QMessageBox::question(0, tr("Merge buffers permanently?"),
269 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)),
270 QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
271 if (res == QMessageBox::Yes) {
272 Client::mergeBuffersPermanently(bufferId1, bufferId2);
277 void BufferView::removeSelectedBuffers(bool permanently)
283 QSet<BufferId> removedRows;
284 foreach(QModelIndex index, selectionModel()->selectedIndexes()) {
285 if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
288 bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
289 if (removedRows.contains(bufferId))
292 removedRows << bufferId;
295 foreach(BufferId bufferId, removedRows) {
297 config()->requestRemoveBufferPermanently(bufferId);
299 config()->requestRemoveBuffer(bufferId);
304 void BufferView::rowsInserted(const QModelIndex &parent, int start, int end)
306 QTreeView::rowsInserted(parent, start, end);
308 // ensure that newly inserted network nodes are expanded per default
309 if (parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
312 setExpandedState(parent);
316 void BufferView::on_layoutChanged()
318 int numNets = model()->rowCount(QModelIndex());
319 for (int row = 0; row < numNets; row++) {
320 QModelIndex networkIdx = model()->index(row, 0, QModelIndex());
321 setExpandedState(networkIdx);
326 void BufferView::on_configChanged()
330 // expand all active networks... collapse inactive ones... unless manually changed
331 QModelIndex networkIdx;
333 for (int row = 0; row < model()->rowCount(); row++) {
334 networkIdx = model()->index(row, 0);
335 if (model()->rowCount(networkIdx) == 0)
338 networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
339 if (!networkId.isValid())
342 setExpandedState(networkIdx);
346 // update selection to current one
347 Client::bufferModel()->synchronizeView(this);
352 void BufferView::storeExpandedState(const QModelIndex &networkIdx)
354 NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
357 if (isExpanded(networkIdx))
358 oldState |= WasExpanded;
359 if (model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool())
360 oldState |= WasActive;
362 _expandedState[networkId] = oldState;
366 void BufferView::setExpandedState(const QModelIndex &networkIdx)
368 if (model()->data(networkIdx, NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
371 if (model()->rowCount(networkIdx) == 0)
374 NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
376 bool networkActive = model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool();
377 bool expandNetwork = networkActive;
378 if (_expandedState.contains(networkId)) {
379 int oldState = _expandedState[networkId];
380 if ((bool)(oldState & WasActive) == networkActive)
381 expandNetwork = (bool)(oldState & WasExpanded);
384 if (expandNetwork != isExpanded(networkIdx)) {
386 setExpanded(networkIdx, expandNetwork);
388 storeExpandedState(networkIdx); // this call is needed to keep track of the isActive state
391 #if QT_VERSION < 0x050000
392 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
394 QTreeView::dataChanged(topLeft, bottomRight);
396 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles)
398 QTreeView::dataChanged(topLeft, bottomRight, roles);
401 // determine how many items have been changed and if any of them is a networkitem
402 // which just swichted from active to inactive or vice versa
403 if (topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
406 for (int i = topLeft.row(); i <= bottomRight.row(); i++) {
407 QModelIndex networkIdx = topLeft.sibling(i, 0);
408 setExpandedState(networkIdx);
413 void BufferView::toggleHeader(bool checked)
415 QAction *action = qobject_cast<QAction *>(sender());
416 header()->setSectionHidden((action->property("column")).toInt(), !checked);
420 void BufferView::contextMenuEvent(QContextMenuEvent *event)
422 QModelIndex index = indexAt(event->pos());
423 if (!index.isValid())
426 QMenu contextMenu(this);
428 if (index.isValid()) {
429 addActionsToMenu(&contextMenu, index);
432 addFilterActions(&contextMenu, index);
434 if (!contextMenu.actions().isEmpty())
435 contextMenu.exec(QCursor::pos());
439 void BufferView::addActionsToMenu(QMenu *contextMenu, const QModelIndex &index)
441 QModelIndexList indexList = selectedIndexes();
442 // make sure the item we clicked on is first
443 indexList.removeAll(index);
444 indexList.prepend(index);
446 GraphicalUi::contextMenuActionProvider()->addActions(contextMenu, indexList, this, "menuActionTriggered", (bool)config());
450 void BufferView::addFilterActions(QMenu *contextMenu, const QModelIndex &index)
452 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
454 QList<QAction *> filterActions = filter->actions(index);
455 if (!filterActions.isEmpty()) {
456 contextMenu->addSeparator();
457 foreach(QAction *action, filterActions) {
458 contextMenu->addAction(action);
465 void BufferView::menuActionTriggered(QAction *result)
467 ContextMenuActionProvider::ActionType type = (ContextMenuActionProvider::ActionType)result->data().toInt();
469 case ContextMenuActionProvider::HideBufferTemporarily:
470 removeSelectedBuffers();
472 case ContextMenuActionProvider::HideBufferPermanently:
473 removeSelectedBuffers(true);
481 void BufferView::nextBuffer()
483 changeBuffer(Forward);
487 void BufferView::previousBuffer()
489 changeBuffer(Backward);
493 void BufferView::changeBuffer(Direction direction)
495 QModelIndex currentIndex = selectionModel()->currentIndex();
496 QModelIndex resultingIndex;
498 if (currentIndex.parent().isValid()) {
499 //If we are a child node just switch among siblings unless it's the first/last child
500 resultingIndex = currentIndex.sibling(currentIndex.row() + direction, 0);
502 if (!resultingIndex.isValid()) {
503 QModelIndex parent = currentIndex.parent();
504 if (direction == Backward)
505 resultingIndex = parent;
507 resultingIndex = parent.sibling(parent.row() + direction, 0);
511 //If we have a toplevel node, try and get an adjacent child
512 if (direction == Backward) {
513 QModelIndex newParent = currentIndex.sibling(currentIndex.row() - 1, 0);
514 if (model()->hasChildren(newParent))
515 resultingIndex = newParent.child(model()->rowCount(newParent) - 1, 0);
517 resultingIndex = newParent;
520 if (model()->hasChildren(currentIndex))
521 resultingIndex = currentIndex.child(0, 0);
523 resultingIndex = currentIndex.sibling(currentIndex.row() + 1, 0);
527 if (!resultingIndex.isValid())
530 selectionModel()->setCurrentIndex(resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
531 selectionModel()->select(resultingIndex, QItemSelectionModel::ClearAndSelect);
535 void BufferView::wheelEvent(QWheelEvent *event)
537 if (ItemViewSettings().mouseWheelChangesBuffer() == (bool)(event->modifiers() & Qt::AltModifier))
538 return QTreeView::wheelEvent(event);
540 int rowDelta = (event->delta() > 0) ? -1 : 1;
541 changeBuffer((Direction)rowDelta);
545 void BufferView::hideCurrentBuffer()
547 QModelIndex index = selectionModel()->currentIndex();
548 if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
551 BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
553 //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.
554 changeBuffer(Backward);
556 /*if(removedRows.contains(bufferId))
559 removedRows << bufferId;*/
561 config()->requestRemoveBufferPermanently(bufferId);
563 config()->requestRemoveBuffer(bufferId);
567 QSize BufferView::sizeHint() const
569 return QTreeView::sizeHint();
572 return QTreeView::sizeHint();
574 if (model()->rowCount() == 0)
575 return QSize(120, 50);
578 for (int i = 0; i < model()->columnCount(); i++) {
579 if (!isColumnHidden(i))
580 columnSize += sizeHintForColumn(i);
582 return QSize(columnSize, 50);
586 // ****************************************
588 // ****************************************
589 class ColorsChangedEvent : public QEvent
592 ColorsChangedEvent() : QEvent(QEvent::User) {};
596 BufferViewDelegate::BufferViewDelegate(QObject *parent)
597 : QStyledItemDelegate(parent)
602 void BufferViewDelegate::customEvent(QEvent *event)
604 if (event->type() != QEvent::User)
611 bool BufferViewDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index)
613 if (event->type() != QEvent::MouseButtonRelease)
614 return QStyledItemDelegate::editorEvent(event, model, option, index);
616 if (!(model->flags(index) & Qt::ItemIsUserCheckable))
617 return QStyledItemDelegate::editorEvent(event, model, option, index);
619 QVariant value = index.data(Qt::CheckStateRole);
620 if (!value.isValid())
621 return QStyledItemDelegate::editorEvent(event, model, option, index);
623 QStyleOptionViewItemV4 viewOpt(option);
624 initStyleOption(&viewOpt, index);
626 QRect checkRect = viewOpt.widget->style()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, viewOpt.widget);
627 QMouseEvent *me = static_cast<QMouseEvent *>(event);
629 if (me->button() != Qt::LeftButton || !checkRect.contains(me->pos()))
630 return QStyledItemDelegate::editorEvent(event, model, option, index);
632 Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
633 if (state == Qt::Unchecked)
634 state = Qt::PartiallyChecked;
635 else if (state == Qt::PartiallyChecked)
638 state = Qt::Unchecked;
639 model->setData(index, state, Qt::CheckStateRole);
644 // ==============================
646 // ==============================
647 BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent)
648 : QDockWidget(parent),
650 _title(config->bufferViewName())
652 setObjectName("BufferViewDock-" + QString::number(config->bufferViewId()));
653 toggleViewAction()->setData(config->bufferViewId());
654 setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
655 connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &)));
660 void BufferViewDock::updateTitle()
662 QString title = _title;
664 title.prepend(QString::fromUtf8("• "));
665 setWindowTitle(title);
669 void BufferViewDock::setActive(bool active)
671 if (active != isActive()) {
675 raise(); // for tabbed docks
680 void BufferViewDock::bufferViewRenamed(const QString &newName)
684 toggleViewAction()->setText(newName);
688 int BufferViewDock::bufferViewId() const
690 BufferView *view = bufferView();
695 return view->config()->bufferViewId();
701 BufferViewConfig *BufferViewDock::config() const
703 BufferView *view = bufferView();
707 return view->config();