1 /***************************************************************************
2 * Copyright (C) 2005-08 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 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 "iconloader.h"
39 #include "mappedselectionmodel.h"
41 #include "networkmodel.h"
42 #include "networkmodelactionprovider.h"
43 #include "quasselui.h"
44 #include "uisettings.h"
46 bool TristateDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index) {
47 if(event->type() != QEvent::MouseButtonRelease)
48 return QStyledItemDelegate::editorEvent(event, model, option, index);
50 if(!(model->flags(index) & Qt::ItemIsUserCheckable))
51 return QStyledItemDelegate::editorEvent(event, model, option, index);
53 QVariant value = index.data(Qt::CheckStateRole);
55 return QStyledItemDelegate::editorEvent(event, model, option, index);
57 QStyleOptionViewItemV4 viewOpt(option);
58 initStyleOption(&viewOpt, index);
60 QRect checkRect = viewOpt.widget->style()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, viewOpt.widget);
61 QMouseEvent *me = static_cast<QMouseEvent*>(event);
63 if(me->button() != Qt::LeftButton || !checkRect.contains(me->pos()))
64 return QStyledItemDelegate::editorEvent(event, model, option, index);
66 Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
67 if(state == Qt::Unchecked)
68 state = Qt::PartiallyChecked;
69 else if(state == Qt::PartiallyChecked)
72 state = Qt::Unchecked;
73 model->setData(index, state, Qt::CheckStateRole);
80 /*****************************************
81 * The TreeView showing the Buffers
82 *****************************************/
83 // Please be carefull when reimplementing methods which are used to inform the view about changes to the data
84 // to be on the safe side: call QTreeView's method aswell
85 BufferView::BufferView(QWidget *parent)
88 connect(this, SIGNAL(collapsed(const QModelIndex &)), SLOT(on_collapse(const QModelIndex &)));
89 connect(this, SIGNAL(expanded(const QModelIndex &)), SLOT(on_expand(const QModelIndex &)));
91 setSelectionMode(QAbstractItemView::ExtendedSelection);
93 QAbstractItemDelegate *oldDelegate = itemDelegate();
94 TristateDelegate *tristateDelegate = new TristateDelegate(this);
95 setItemDelegate(tristateDelegate);
99 void BufferView::init() {
100 header()->setContextMenuPolicy(Qt::ActionsContextMenu);
107 #ifndef QT_NO_DRAGANDDROP
108 setDragEnabled(true);
109 setAcceptDrops(true);
110 setDropIndicatorShown(true);
113 setSortingEnabled(true);
114 sortByColumn(0, Qt::AscendingOrder);
116 // activated() fails on X11 and Qtopia at least
117 #if defined Q_WS_QWS || defined Q_WS_X11
118 connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(joinChannel(QModelIndex)));
120 // afaik this is better on Mac and Windows
121 connect(this, SIGNAL(activated(QModelIndex)), SLOT(joinChannel(QModelIndex)));
125 void BufferView::setModel(QAbstractItemModel *model) {
126 delete selectionModel();
128 QTreeView::setModel(model);
130 // remove old Actions
131 QList<QAction *> oldactions = header()->actions();
132 foreach(QAction *action, oldactions) {
133 header()->removeAction(action);
134 action->deleteLater();
141 QAction *showSection;
142 for(int i = 1; i < model->columnCount(); i++) {
143 sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString();
144 showSection = new QAction(sectionName, header());
145 showSection->setCheckable(true);
146 showSection->setChecked(!isColumnHidden(i));
147 showSection->setProperty("column", i);
148 connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
149 header()->addAction(showSection);
154 void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *config) {
155 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
157 filter->setConfig(config);
163 disconnect(this, 0, model(), 0);
164 disconnect(model(), 0, this, 0);
170 BufferViewFilter *filter = new BufferViewFilter(model_, config);
172 connect(filter, SIGNAL(configChanged()), this, SLOT(on_configChanged()));
177 void BufferView::setSelectionModel(QItemSelectionModel *selectionModel) {
178 if(QTreeView::selectionModel())
179 disconnect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
180 model(), SIGNAL(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
182 QTreeView::setSelectionModel(selectionModel);
183 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
185 connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
186 filter, SLOT(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
190 void BufferView::setConfig(BufferViewConfig *config) {
191 if(_config == config)
195 disconnect(_config, 0, this, 0);
200 connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &)));
201 setRootIndexForNetworkId(config->networkId());
204 setRootIndex(QModelIndex());
208 void BufferView::setRootIndexForNetworkId(const NetworkId &networkId) {
209 if(!networkId.isValid() || !model()) {
211 setRootIndex(QModelIndex());
214 int networkCount = model()->rowCount();
216 for(int i = 0; i < networkCount; i++) {
217 child = model()->index(i, 0);
218 if(networkId == model()->data(child, NetworkModel::NetworkIdRole).value<NetworkId>())
224 void BufferView::joinChannel(const QModelIndex &index) {
225 BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
227 if(bufferType != BufferInfo::ChannelBuffer)
230 BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
232 Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
235 void BufferView::keyPressEvent(QKeyEvent *event) {
236 if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
238 removeSelectedBuffers();
240 QTreeView::keyPressEvent(event);
243 void BufferView::dropEvent(QDropEvent *event) {
244 QModelIndex index = indexAt(event->pos());
246 QRect indexRect = visualRect(index);
247 QPoint cursorPos = event->pos();
249 // check if we're really _on_ the item and not indicating a move to just above or below the item
250 const int margin = 2;
251 if(cursorPos.y() - indexRect.top() < margin
252 || indexRect.bottom() - cursorPos.y() < margin)
253 return QTreeView::dropEvent(event);
255 QList< QPair<NetworkId, BufferId> > bufferList = Client::networkModel()->mimeDataToBufferList(event->mimeData());
256 if(bufferList.count() != 1)
257 return QTreeView::dropEvent(event);
259 NetworkId networkId = bufferList[0].first;
260 BufferId bufferId2 = bufferList[0].second;
262 if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
263 return QTreeView::dropEvent(event);
265 if(index.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
266 return QTreeView::dropEvent(event);
268 if(index.data(NetworkModel::NetworkIdRole).value<NetworkId>() != networkId)
269 return QTreeView::dropEvent(event);
271 BufferId bufferId1 = index.data(NetworkModel::BufferIdRole).value<BufferId>();
272 if(bufferId1 == bufferId2)
273 return QTreeView::dropEvent(event);
275 int res = QMessageBox::question(0, tr("Merge buffers permanently?"),
276 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)),
277 QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
278 if(res == QMessageBox::Yes) {
279 Client::mergeBuffersPermanently(bufferId1, bufferId2);
283 void BufferView::removeSelectedBuffers(bool permanently) {
288 QSet<BufferId> removedRows;
289 foreach(QModelIndex index, selectionModel()->selectedIndexes()) {
290 if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
293 bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
294 if(removedRows.contains(bufferId))
297 removedRows << bufferId;
300 config()->requestRemoveBufferPermanently(bufferId);
302 config()->requestRemoveBuffer(bufferId);
306 void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
307 QTreeView::rowsInserted(parent, start, end);
309 // ensure that newly inserted network nodes are expanded per default
310 if(parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
313 if(model()->rowCount(parent) == 1 && parent.data(NetworkModel::ItemActiveRole) == true) {
314 // without updating the parent the expand will have no effect... Qt Bug?
320 void BufferView::on_configChanged() {
323 // expand all active networks... collapse inactive ones... unless manually changed
324 QModelIndex networkIdx;
326 for(int row = 0; row < model()->rowCount(); row++) {
327 networkIdx = model()->index(row, 0);
328 if(model()->rowCount(networkIdx) == 0)
331 networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
332 if(!networkId.isValid())
337 bool expandNetwork = false;
338 if(_expandedState.contains(networkId))
339 expandNetwork = _expandedState[networkId];
341 expandNetwork = model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool();
346 collapse(networkIdx);
349 // update selection to current one
350 MappedSelectionModel *mappedSelectionModel = qobject_cast<MappedSelectionModel *>(selectionModel());
351 if(!config() || !mappedSelectionModel)
354 mappedSelectionModel->mappedSetCurrentIndex(Client::bufferModel()->standardSelectionModel()->currentIndex(), QItemSelectionModel::Current);
355 mappedSelectionModel->mappedSelect(Client::bufferModel()->standardSelectionModel()->selection(), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
358 void BufferView::on_collapse(const QModelIndex &index) {
359 storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), false);
362 void BufferView::on_expand(const QModelIndex &index) {
363 storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), true);
366 void BufferView::storeExpandedState(NetworkId networkId, bool expanded) {
367 _expandedState[networkId] = expanded;
370 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
371 QTreeView::dataChanged(topLeft, bottomRight);
373 // determine how many items have been changed and if any of them is a networkitem
374 // which just swichted from active to inactive or vice versa
375 if(topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
378 for(int i = topLeft.row(); i <= bottomRight.row(); i++) {
379 QModelIndex networkIdx = topLeft.sibling(i, 0);
380 if(model()->rowCount(networkIdx) == 0)
383 bool isActive = networkIdx.data(NetworkModel::ItemActiveRole).toBool();
385 if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, true);
387 if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, isActive);
392 void BufferView::toggleHeader(bool checked) {
393 QAction *action = qobject_cast<QAction *>(sender());
394 header()->setSectionHidden((action->property("column")).toInt(), !checked);
397 void BufferView::contextMenuEvent(QContextMenuEvent *event) {
398 QModelIndex index = indexAt(event->pos());
402 QMenu contextMenu(this);
404 if(index.isValid()) {
405 addActionsToMenu(&contextMenu, index);
408 addFilterActions(&contextMenu, index);
410 if(!contextMenu.actions().isEmpty())
411 contextMenu.exec(QCursor::pos());
414 void BufferView::addActionsToMenu(QMenu *contextMenu, const QModelIndex &index) {
415 Client::mainUi()->actionProvider()->addActions(contextMenu, index, this, "menuActionTriggered", (bool)config());
418 void BufferView::addFilterActions(QMenu *contextMenu, const QModelIndex &index) {
419 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
421 QList<QAction *> filterActions = filter->actions(index);
422 if(!filterActions.isEmpty()) {
423 contextMenu->addSeparator();
424 foreach(QAction *action, filterActions) {
425 contextMenu->addAction(action);
431 void BufferView::menuActionTriggered(QAction *result) {
432 NetworkModelActionProvider::ActionType type = (NetworkModelActionProvider::ActionType)result->data().toInt();
434 case NetworkModelActionProvider::HideBufferTemporarily:
435 removeSelectedBuffers();
437 case NetworkModelActionProvider::HideBufferPermanently:
438 removeSelectedBuffers(true);
445 void BufferView::wheelEvent(QWheelEvent* event) {
446 if(UiSettings().value("MouseWheelChangesBuffers", QVariant(true)).toBool() == (bool)(event->modifiers() & Qt::AltModifier))
447 return QTreeView::wheelEvent(event);
449 int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
450 QModelIndex currentIndex = selectionModel()->currentIndex();
451 QModelIndex resultingIndex;
452 if( model()->hasIndex( currentIndex.row() + rowDelta, currentIndex.column(), currentIndex.parent() ) )
454 resultingIndex = currentIndex.sibling( currentIndex.row() + rowDelta, currentIndex.column() );
456 else //if we scroll into a the parent node...
458 QModelIndex parent = currentIndex.parent();
459 QModelIndex aunt = parent.sibling( parent.row() + rowDelta, parent.column() );
461 resultingIndex = aunt.child( model()->rowCount( aunt ) - 1, 0 );
463 resultingIndex = aunt.child( 0, 0 );
464 if( !resultingIndex.isValid() )
467 selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows );
468 selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect );
472 QSize BufferView::sizeHint() const {
473 return QTreeView::sizeHint();
476 return QTreeView::sizeHint();
478 if(model()->rowCount() == 0)
479 return QSize(120, 50);
482 for(int i = 0; i < model()->columnCount(); i++) {
483 if(!isColumnHidden(i))
484 columnSize += sizeHintForColumn(i);
486 return QSize(columnSize, 50);
489 // ==============================
491 // ==============================
492 BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent)
493 : QDockWidget(config->bufferViewName(), parent)
495 setObjectName("BufferViewDock-" + QString::number(config->bufferViewId()));
496 toggleViewAction()->setData(config->bufferViewId());
497 setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
498 connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &)));
501 BufferViewDock::BufferViewDock(QWidget *parent)
502 : QDockWidget(tr("All Buffers"), parent)
504 setObjectName("BufferViewDock--1");
505 toggleViewAction()->setData((int)-1);
506 setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
509 void BufferViewDock::bufferViewRenamed(const QString &newName) {
510 setWindowTitle(newName);
511 toggleViewAction()->setText(newName);