void TutorialTreeSelectionManager::handleSelectionChanged(
const QItemSelection& selected,
const QItemSelection& deselected) {
//Only single selections are supported
Q_ASSERT(selected.count() <= 1);
Q_ASSERT(deselected.count() <= 1);
TreeItem* selectedItem = 0;
TreeItem* deselectedItem = 0;
if (selected.count() == 1) {
Q_ASSERT(selected.at(0).indexes().count() == 1);
QModelIndex index = selected.at(0).indexes().at(0);
selectedItem = static_cast<TreeItem*>(index.internalPointer());
}
if (deselected.count() == 1) {
Q_ASSERT(deselected.at(0).indexes().count() == 1);
QModelIndex index = deselected.at(0).indexes().at(0);
deselectedItem = static_cast<TreeItem*>(index.internalPointer());
}
updateStepSelection(selectedItem, deselectedItem);
updateReactionSelection(selectedItem, deselectedItem);
}
QRect LinearView::selectionViewportRect(const QItemSelection &selection) const
{
int ranges = selection.count();
if (ranges == 0)
return QRect();
// Note that we use the top and bottom functions of the selection range
// since the data is stored in rows.
int firstRow = selection.at(0).top();
int lastRow = selection.at(0).top();
for (int i = 0; i < ranges; ++i) {
firstRow = qMin(firstRow, selection.at(i).top());
lastRow = qMax(lastRow, selection.at(i).bottom());
}
QModelIndex firstItem = model()->index(qMin(firstRow, lastRow), 0,
QModelIndex());
QModelIndex lastItem = model()->index(qMax(firstRow, lastRow), 0,
QModelIndex());
QRect firstRect = itemViewportRect(firstItem);
QRect lastRect = itemViewportRect(lastItem);
return QRect(firstRect.left(), firstRect.top(),
lastRect.right() - firstRect.left(), firstRect.height());
}
void DevicesWidget::on_actionEditDeviceGroup_triggered()
{
QItemSelection selection = deviceGroupList->selectionModel()->selection();
// Ensure we have only one range selected which contains only one row
if ((selection.size() == 1) && (selection.at(0).height() == 1))
on_deviceGroupList_activated(selection.at(0).topLeft());
}
void K3b::DataViewImpl::slotRemove()
{
// Remove items directly from sort model to avoid unnecessary mapping of indexes
const QItemSelection selection = m_fileView->selectionModel()->selection();
const QModelIndex parentDirectory = m_fileView->rootIndex();
for( int i = selection.size() - 1; i >= 0; --i ) {
m_sortModel->removeRows( selection.at(i).top(), selection.at(i).height(), parentDirectory );
}
}
// Custom processing the Selection Changed in the Scene Graph model. Returns
// TRUE if no further processing needed.
bool ParticlesEditorSceneModelHelper::ProcessSelectionChanged(const QItemSelection &selected,
const QItemSelection &deselected)
{
int32 deselectedSize = deselected.size();
int32 selectedSize = selected.size();
if (selectedSize <= 0)
{
// De-selection happened - allow processing by caller.
ParticlesEditorController::Instance()->CleanupSelectedNode();
return false;
}
// Determine whether the selected node belongs to Particle Editor.
QItemSelectionRange selectedRange = selected.at(0);
SceneGraphItem *selectedItem = static_cast<SceneGraphItem*>(selectedRange.topLeft().internalPointer());
if (ParticlesEditorController::Instance()->IsBelongToParticlesEditor(selectedItem))
{
// Our one. Select and emit the appropriate event.
ParticlesEditorController::Instance()->SetSelectedNode(selectedItem, true);
return !ParticlesEditorController::Instance()->ShouldDisplayPropertiesInSceneEditor(selectedItem);
}
// Not ours. Cleanup the selected node and return control back to the caller.
ParticlesEditorController::Instance()->CleanupSelectedNode();
return false;
}
void ActionInspectorWidget::selectionChanged(const QItemSelection& selection)
{
if (selection.isEmpty())
return;
const auto idx = selection.at(0).topLeft();
ui->actionView->scrollTo(idx);
}
void SignalMonitorWidget::selectionChanged(const QItemSelection& selection)
{
if (selection.isEmpty())
return;
const auto idx = selection.at(0).topLeft();
ui->objectTreeView->scrollTo(idx);
}
void DevicesWidget::on_actionNewDeviceGroup_triggered()
{
// In case nothing is selected, insert 1 row at the top
int row = 0, count = 1;
QItemSelection selection = deviceGroupList->selectionModel()->selection();
if (!portGroups_)
return;
// In case we have a single range selected; insert as many rows as
// in the singe selected range before the top of the selected range
if (selection.size() == 1) {
row = selection.at(0).top();
count = selection.at(0).height();
}
portGroups_->getDeviceGroupModel()->insertRows(row, count);
}
bool ProxyEditWindow::canChangeProxy(const QItemSelection &selection)
{
if (selection.size() == 0)
return true;
if (selection.size() != 1)
return false;
QModelIndex selectedItem = selection.at(0).topLeft();
NetworkProxy proxy = selectedItem.data(NetworkProxyRole).value<NetworkProxy>();
if (ForceProxyChange)
return true;
ConfigurationValueState currenState = state(proxy);
if (StateNotChanged == currenState)
return true;
if (StateChangedDataValid == currenState)
{
QMessageBox::StandardButton result = QMessageBox::question(this, tr("Proxy"),
tr("You have unsaved changes in current proxy.<br />Do you want to save them?"),
QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel, QMessageBox::Yes);
switch (result)
{
case QMessageBox::Yes:
saveProxy(proxy);
return true;
case QMessageBox::No:
return true;
default:
return false;
}
}
if (StateChangedDataInvalid == currenState)
{
QMessageBox::StandardButton result = QMessageBox::question(this, tr("Proxy"),
tr("You have unsaved changes in current proxy.<br />This data is invalid, so you will loose all changes.<br />Do you want to go back to edit them?"),
QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
switch (result)
{
case QMessageBox::No:
return true;
default:
return false;
}
}
return true;
}
QModelIndex
selectedRowIdx(QItemSelection const &selection) {
if (selection.isEmpty())
return {};
auto indexes = selection.at(0).indexes();
if (indexes.isEmpty() || !indexes.at(0).isValid())
return {};
auto idx = indexes.at(0);
return idx.sibling(idx.row(), 0);
}
QRegion PieView::visualRegionForSelection(const QItemSelection &selection) const
{
int ranges = selection.count();
if (ranges == 0)
return QRect();
QRegion region;
for (int i = 0; i < ranges; ++i) {
QItemSelectionRange range = selection.at(i);
for (int row = range.top(); row <= range.bottom(); ++row) {
for (int col = range.left(); col <= range.right(); ++col) {
QModelIndex index = model()->index(row, col, rootIndex());
region += visualRect(index);
}
}
}
return region;
}
QModelIndexList QtTreeWidget::getSelectedIndexes() const {
// Not using selectedIndexes(), because this seems to cause a crash in Qt (4.7.0) in the
// QModelIndexList destructor.
// This is a workaround posted in http://www.qtcentre.org/threads/16933 (although this case
// was resolved by linking against the debug libs, ours isn't, and we're not alone)
QItemSelection ranges = selectionModel()->selection();
QModelIndexList selectedIndexList;
for (int i = 0; i < ranges.count(); ++i) {
QModelIndex parent = ranges.at(i).parent();
int right = ranges.at(i).model()->columnCount(parent) - 1;
if (ranges.at(i).left() == 0 && ranges.at(i).right() == right) {
for (int r = ranges.at(i).top(); r <= ranges.at(i).bottom(); ++r) {
selectedIndexList.append(ranges.at(i).model()->index(r, 0, parent));
}
}
}
return selectedIndexList;
}
void VideoView::selectionChanged(const QItemSelection &selected, const QItemSelection &)
{
if (selected.isEmpty()) {
return;
}
QModelIndex selectedIndex = selected.at(0).indexes().at(0);
_currentVideoRow = selectedIndex.row();
_view->setScene(_videos.at(_currentVideoRow).scene);
_view->fitInView(_view->sceneRect(), Qt::KeepAspectRatio);
_playBar->setPlayData(model()->rowCount(
model()->index(
_currentVideoRow,
VideoModel::FramesColumn)),
model()->data(
model()->index(_currentVideoRow,
VideoModel::FrameDurationColumn)).toInt());
}
void CourseEditUI::tableViewSelectionChanged( const QItemSelection & selected, const QItemSelection & deselected )
{
if(selected.count() > 0)
{
QModelIndexList selectedList = selected.at(0).indexes();
if(selectedList.count() > 0)
{
QString question = selectedList.value(0).data().toString();
QString answer = selectedList.value(1).data().toString();
txtQuestion->setText(question);
txtAnswer->setText(answer);
for(Items::const_iterator it = _items.begin(); it != _items.end(); ++it)
{
if(it->get()->GetQuestion() == question.toStdString() && it->get()->GetAnswer() == answer.toStdString())
{
_currentItem = *it;
return;
}
}
_currentItem = ItemPtr();
}
}
}
int SearchPopup::selectedItem() const
{
QItemSelection selection = listView_->selectionModel()->selection();
return (selection.length() == 0) ? -1 : selection.at(0).top();
}
