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::setConfig(BufferViewConfig *config)
163 if (_config == config)
167 disconnect(_config, 0, this, 0);
172 connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &)));
173 setRootIndexForNetworkId(config->networkId());
177 setRootIndex(QModelIndex());
182 void BufferView::setRootIndexForNetworkId(const NetworkId &networkId)
184 if (!networkId.isValid() || !model()) {
186 setRootIndex(QModelIndex());
190 int networkCount = model()->rowCount();
192 for (int i = 0; i < networkCount; i++) {
193 child = model()->index(i, 0);
194 if (networkId == model()->data(child, NetworkModel::NetworkIdRole).value<NetworkId>())
201 void BufferView::joinChannel(const QModelIndex &index)
203 BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
205 if (bufferType != BufferInfo::ChannelBuffer)
208 BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
210 Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
214 void BufferView::keyPressEvent(QKeyEvent *event)
216 if (event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
218 removeSelectedBuffers();
220 QTreeView::keyPressEvent(event);
224 void BufferView::dropEvent(QDropEvent *event)
226 QModelIndex index = indexAt(event->pos());
228 QRect indexRect = visualRect(index);
229 QPoint cursorPos = event->pos();
231 // check if we're really _on_ the item and not indicating a move to just above or below the item
232 const int margin = 2;
233 if (cursorPos.y() - indexRect.top() < margin
234 || indexRect.bottom() - cursorPos.y() < margin)
235 return QTreeView::dropEvent(event);
237 QList<QPair<NetworkId, BufferId> > bufferList = Client::networkModel()->mimeDataToBufferList(event->mimeData());
238 if (bufferList.count() != 1)
239 return QTreeView::dropEvent(event);
241 BufferId bufferId2 = bufferList[0].second;
243 if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
244 return QTreeView::dropEvent(event);
246 if (index.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
247 return QTreeView::dropEvent(event);
249 BufferId bufferId1 = index.data(NetworkModel::BufferIdRole).value<BufferId>();
250 if (bufferId1 == bufferId2)
251 return QTreeView::dropEvent(event);
253 int res = QMessageBox::question(0, tr("Merge buffers permanently?"),
254 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)),
255 QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
256 if (res == QMessageBox::Yes) {
257 Client::mergeBuffersPermanently(bufferId1, bufferId2);
262 void BufferView::removeSelectedBuffers(bool permanently)
268 QSet<BufferId> removedRows;
269 foreach(QModelIndex index, selectionModel()->selectedIndexes()) {
270 if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
273 bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
274 if (removedRows.contains(bufferId))
277 removedRows << bufferId;
280 foreach(BufferId bufferId, removedRows) {
282 config()->requestRemoveBufferPermanently(bufferId);
284 config()->requestRemoveBuffer(bufferId);
289 void BufferView::rowsInserted(const QModelIndex &parent, int start, int end)
291 QTreeView::rowsInserted(parent, start, end);
293 // ensure that newly inserted network nodes are expanded per default
294 if (parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
297 setExpandedState(parent);
301 void BufferView::on_layoutChanged()
303 int numNets = model()->rowCount(QModelIndex());
304 for (int row = 0; row < numNets; row++) {
305 QModelIndex networkIdx = model()->index(row, 0, QModelIndex());
306 setExpandedState(networkIdx);
311 void BufferView::on_configChanged()
315 // expand all active networks... collapse inactive ones... unless manually changed
316 QModelIndex networkIdx;
318 for (int row = 0; row < model()->rowCount(); row++) {
319 networkIdx = model()->index(row, 0);
320 if (model()->rowCount(networkIdx) == 0)
323 networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
324 if (!networkId.isValid())
327 setExpandedState(networkIdx);
331 // update selection to current one
332 Client::bufferModel()->synchronizeView(this);
337 void BufferView::storeExpandedState(const QModelIndex &networkIdx)
339 NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
342 if (isExpanded(networkIdx))
343 oldState |= WasExpanded;
344 if (model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool())
345 oldState |= WasActive;
347 _expandedState[networkId] = oldState;
351 void BufferView::setExpandedState(const QModelIndex &networkIdx)
353 if (model()->data(networkIdx, NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
356 if (model()->rowCount(networkIdx) == 0)
359 NetworkId networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
361 bool networkActive = model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool();
362 bool expandNetwork = networkActive;
363 if (_expandedState.contains(networkId)) {
364 int oldState = _expandedState[networkId];
365 if ((bool)(oldState & WasActive) == networkActive)
366 expandNetwork = (bool)(oldState & WasExpanded);
369 if (expandNetwork != isExpanded(networkIdx)) {
371 setExpanded(networkIdx, expandNetwork);
373 storeExpandedState(networkIdx); // this call is needed to keep track of the isActive state
376 #if QT_VERSION < 0x050000
377 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
379 QTreeView::dataChanged(topLeft, bottomRight);
381 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles)
383 QTreeView::dataChanged(topLeft, bottomRight, roles);
386 // determine how many items have been changed and if any of them is a networkitem
387 // which just swichted from active to inactive or vice versa
388 if (topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
391 for (int i = topLeft.row(); i <= bottomRight.row(); i++) {
392 QModelIndex networkIdx = topLeft.sibling(i, 0);
393 setExpandedState(networkIdx);
398 void BufferView::toggleHeader(bool checked)
400 QAction *action = qobject_cast<QAction *>(sender());
401 header()->setSectionHidden((action->property("column")).toInt(), !checked);
405 void BufferView::contextMenuEvent(QContextMenuEvent *event)
407 QModelIndex index = indexAt(event->pos());
408 if (!index.isValid())
411 QMenu contextMenu(this);
413 if (index.isValid()) {
414 addActionsToMenu(&contextMenu, index);
417 addFilterActions(&contextMenu, index);
419 if (!contextMenu.actions().isEmpty())
420 contextMenu.exec(QCursor::pos());
424 void BufferView::addActionsToMenu(QMenu *contextMenu, const QModelIndex &index)
426 QModelIndexList indexList = selectedIndexes();
427 // make sure the item we clicked on is first
428 indexList.removeAll(index);
429 indexList.prepend(index);
431 GraphicalUi::contextMenuActionProvider()->addActions(contextMenu, indexList, this, "menuActionTriggered", (bool)config());
435 void BufferView::addFilterActions(QMenu *contextMenu, const QModelIndex &index)
437 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
439 QList<QAction *> filterActions = filter->actions(index);
440 if (!filterActions.isEmpty()) {
441 contextMenu->addSeparator();
442 foreach(QAction *action, filterActions) {
443 contextMenu->addAction(action);
450 void BufferView::menuActionTriggered(QAction *result)
452 ContextMenuActionProvider::ActionType type = (ContextMenuActionProvider::ActionType)result->data().toInt();
454 case ContextMenuActionProvider::HideBufferTemporarily:
455 removeSelectedBuffers();
457 case ContextMenuActionProvider::HideBufferPermanently:
458 removeSelectedBuffers(true);
466 void BufferView::nextBuffer()
468 changeBuffer(Forward);
472 void BufferView::previousBuffer()
474 changeBuffer(Backward);
478 void BufferView::changeBuffer(Direction direction)
480 QModelIndex currentIndex = selectionModel()->currentIndex();
481 QModelIndex resultingIndex;
483 if (currentIndex.parent().isValid()) {
484 //If we are a child node just switch among siblings unless it's the first/last child
485 resultingIndex = currentIndex.sibling(currentIndex.row() + direction, 0);
487 if (!resultingIndex.isValid()) {
488 QModelIndex parent = currentIndex.parent();
489 if (direction == Backward)
490 resultingIndex = parent;
492 resultingIndex = parent.sibling(parent.row() + direction, 0);
496 //If we have a toplevel node, try and get an adjacent child
497 if (direction == Backward) {
498 QModelIndex newParent = currentIndex.sibling(currentIndex.row() - 1, 0);
499 if (model()->hasChildren(newParent))
500 resultingIndex = newParent.child(model()->rowCount(newParent) - 1, 0);
502 resultingIndex = newParent;
505 if (model()->hasChildren(currentIndex))
506 resultingIndex = currentIndex.child(0, 0);
508 resultingIndex = currentIndex.sibling(currentIndex.row() + 1, 0);
512 if (!resultingIndex.isValid())
515 selectionModel()->setCurrentIndex(resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
516 selectionModel()->select(resultingIndex, QItemSelectionModel::ClearAndSelect);
520 void BufferView::wheelEvent(QWheelEvent *event)
522 if (ItemViewSettings().mouseWheelChangesBuffer() == (bool)(event->modifiers() & Qt::AltModifier))
523 return QTreeView::wheelEvent(event);
525 int rowDelta = (event->delta() > 0) ? -1 : 1;
526 changeBuffer((Direction)rowDelta);
530 void BufferView::hideCurrentBuffer()
532 QModelIndex index = selectionModel()->currentIndex();
533 if (index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
536 BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
538 //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.
539 changeBuffer(Backward);
541 /*if(removedRows.contains(bufferId))
544 removedRows << bufferId;*/
546 config()->requestRemoveBufferPermanently(bufferId);
548 config()->requestRemoveBuffer(bufferId);
552 QSize BufferView::sizeHint() const
554 return QTreeView::sizeHint();
557 return QTreeView::sizeHint();
559 if (model()->rowCount() == 0)
560 return QSize(120, 50);
563 for (int i = 0; i < model()->columnCount(); i++) {
564 if (!isColumnHidden(i))
565 columnSize += sizeHintForColumn(i);
567 return QSize(columnSize, 50);
571 // ****************************************
573 // ****************************************
574 class ColorsChangedEvent : public QEvent
577 ColorsChangedEvent() : QEvent(QEvent::User) {};
581 BufferViewDelegate::BufferViewDelegate(QObject *parent)
582 : QStyledItemDelegate(parent)
587 void BufferViewDelegate::customEvent(QEvent *event)
589 if (event->type() != QEvent::User)
596 bool BufferViewDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index)
598 if (event->type() != QEvent::MouseButtonRelease)
599 return QStyledItemDelegate::editorEvent(event, model, option, index);
601 if (!(model->flags(index) & Qt::ItemIsUserCheckable))
602 return QStyledItemDelegate::editorEvent(event, model, option, index);
604 QVariant value = index.data(Qt::CheckStateRole);
605 if (!value.isValid())
606 return QStyledItemDelegate::editorEvent(event, model, option, index);
608 QStyleOptionViewItemV4 viewOpt(option);
609 initStyleOption(&viewOpt, index);
611 QRect checkRect = viewOpt.widget->style()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, viewOpt.widget);
612 QMouseEvent *me = static_cast<QMouseEvent *>(event);
614 if (me->button() != Qt::LeftButton || !checkRect.contains(me->pos()))
615 return QStyledItemDelegate::editorEvent(event, model, option, index);
617 Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
618 if (state == Qt::Unchecked)
619 state = Qt::PartiallyChecked;
620 else if (state == Qt::PartiallyChecked)
623 state = Qt::Unchecked;
624 model->setData(index, state, Qt::CheckStateRole);
629 // ==============================
631 // ==============================
632 BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent)
633 : QDockWidget(parent),
635 _title(config->bufferViewName())
637 setObjectName("BufferViewDock-" + QString::number(config->bufferViewId()));
638 toggleViewAction()->setData(config->bufferViewId());
639 setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
640 connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &)));
645 void BufferViewDock::updateTitle()
647 QString title = _title;
649 title.prepend(QString::fromUtf8("• "));
650 setWindowTitle(title);
654 void BufferViewDock::setActive(bool active)
656 if (active != isActive()) {
660 raise(); // for tabbed docks
665 void BufferViewDock::bufferViewRenamed(const QString &newName)
669 toggleViewAction()->setText(newName);
673 int BufferViewDock::bufferViewId() const
675 BufferView *view = bufferView();
680 return view->config()->bufferViewId();
686 BufferViewConfig *BufferViewDock::config() const
688 BufferView *view = bufferView();
692 return view->config();