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/*
SPDX-FileCopyrightText: 2008 Andreas Pakulat <apaku@gmx.de>
SPDX-FileCopyrightText: 2010 David Nolden <david.nolden.kdevelop@art-master.de>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "sessionchooserdialog.h"
#include "sessioncontroller.h"
#include "core.h"
#include <QDialogButtonBox>
#include <QKeyEvent>
#include <QLineEdit>
#include <QListView>
#include <QPushButton>
#include <QVBoxLayout>
#include <KLocalizedString>
#include <KMessageBox>
#include <KMessageBox_KDevCompat>
using namespace KDevelop;
SessionChooserDialog::SessionChooserDialog(QListView* view, QAbstractItemModel* model, QLineEdit* filter)
: m_view(view), m_model(model), m_filter(filter), m_deleteCandidateRow(-1)
{
m_updateStateTimer.setInterval(5000);
m_updateStateTimer.setSingleShot(false);
m_updateStateTimer.start();
connect(&m_updateStateTimer, &QTimer::timeout, this, &SessionChooserDialog::updateState);
connect(view, &QListView::doubleClicked, this, &SessionChooserDialog::doubleClicked);
connect(view, &QListView::entered, this, &SessionChooserDialog::itemEntered);
m_deleteButton = new QPushButton(view->viewport());
m_deleteButton->setIcon(QIcon::fromTheme(QStringLiteral("edit-delete")));
m_deleteButton->setToolTip(i18nc("@info:tooltip", "Delete session"));
m_deleteButton->hide();
connect(m_deleteButton, &QPushButton::clicked, this, &SessionChooserDialog::deleteButtonPressed);
m_deleteButtonTimer.setInterval(500);
m_deleteButtonTimer.setSingleShot(true);
connect(&m_deleteButtonTimer, &QTimer::timeout, this, &SessionChooserDialog::showDeleteButton);
view->setMouseTracking(true);
view->installEventFilter(this);
filter->installEventFilter(this);
connect(filter, &QLineEdit::textChanged, this, &SessionChooserDialog::filterTextChanged);
setWindowTitle(i18nc("@title:window", "Pick a Session"));
m_buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Close);
auto mainLayout = new QVBoxLayout(this);
m_mainWidget = new QWidget(this);
mainLayout->addWidget(m_mainWidget);
QPushButton *okButton = m_buttonBox->button(QDialogButtonBox::Ok);
okButton->setDefault(true);
okButton->setShortcut(Qt::Key_Return);
connect(m_buttonBox, &QDialogButtonBox::accepted, this, &SessionChooserDialog::accept);
connect(m_buttonBox, &QDialogButtonBox::rejected, this, &SessionChooserDialog::reject);
mainLayout->addWidget(m_buttonBox);
okButton->setText(i18nc("@action:button", "Run"));
okButton->setIcon(QIcon::fromTheme(QStringLiteral("media-playback-start")));
}
void SessionChooserDialog::filterTextChanged()
{
m_view->selectionModel()->setCurrentIndex(m_model->index(0, 0), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
bool enabled = m_view->model()->rowCount(QModelIndex())>0;
m_buttonBox->button(QDialogButtonBox::Ok)->setEnabled(enabled);
m_deleteButton->setVisible(false);
}
void SessionChooserDialog::doubleClicked(const QModelIndex& index)
{
if(m_model->flags(index) & Qt::ItemIsEnabled)
accept();
}
void SessionChooserDialog::updateState() {
// Sometimes locking may take some time, so we stop the timer, to prevent an 'avalanche' of events
m_updateStateTimer.stop();
for(int row = 0; row < m_model->rowCount(); ++row)
{
QString session = m_model->index(row, 0).data().toString();
if(session.isEmpty()) //create new session
continue;
QString state, tooltip;
SessionRunInfo info = SessionController::sessionRunInfo(session);
if(info.isRunning)
{
tooltip = i18nc("@info:tooltip", "Active session.\npid %1, app %2, host %3",
info.holderPid, info.holderApp, info.holderHostname);
state = i18n("Running");
}
m_model->setData(m_model->index(row, 1),
!info.isRunning ? QIcon() : QIcon::fromTheme(QStringLiteral("media-playback-start")),
Qt::DecorationRole);
m_model->setData(m_model->index(row, 1), tooltip, Qt::ToolTipRole);
m_model->setData(m_model->index(row, 2), state, Qt::DisplayRole);
}
m_updateStateTimer.start();
}
void SessionChooserDialog::itemEntered(const QModelIndex& index)
{
// The last row says "Create new session", we don't want to delete that
if(index.row() == m_model->rowCount()-1) {
m_deleteButton->hide();
m_deleteButtonTimer.stop();
return;
}
// align the delete-button to stay on the right border of the item
// we need the right most column's index
QModelIndex in = m_model->index( index.row(), 1 );
const QRect rect = m_view->visualRect(in);
m_deleteButton->resize(rect.height(), rect.height());
QPoint p(rect.right() - m_deleteButton->size().width(), rect.top()+rect.height()/2-m_deleteButton->height()/2);
m_deleteButton->move(p);
m_deleteCandidateRow = index.row();
m_deleteButtonTimer.start();
}
void SessionChooserDialog::showDeleteButton()
{
m_deleteButton->show();
}
bool SessionChooserDialog::eventFilter(QObject* object, QEvent* event)
{
if(object == m_view && event->type() == QEvent::Leave ) {
m_deleteButtonTimer.stop();
m_deleteButton->hide();
// don't eat the event, pass on
} else if (object == m_filter && event->type() == QEvent::KeyPress) {
auto *keyEvent = static_cast<QKeyEvent*>(event);
if (keyEvent->key() == Qt::Key_Return) {
accept();
// don't eat the event, pass on
} else if (keyEvent->key() == Qt::Key_Up || keyEvent->key() == Qt::Key_Down) {
QModelIndex currentIndex = m_view->selectionModel()->currentIndex();
int selectRow = -1;
if (keyEvent->key() == Qt::Key_Up) {
if(!currentIndex.isValid()) {
selectRow = m_model->rowCount()-1;
} else if(currentIndex.row()-1 >= 0) {
selectRow = currentIndex.row()-1;
}
} else {
if(!currentIndex.isValid()) {
selectRow = 0;
} else if(currentIndex.row()+1 < m_model->rowCount()) {
selectRow = currentIndex.row()+1;
}
}
if (selectRow != -1) {
m_view->selectionModel()->setCurrentIndex(m_model->index(selectRow, 0), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
}
return true; // eat event
}
}
return QDialog::eventFilter(object, event);
}
QWidget* SessionChooserDialog::mainWidget() const
{
return m_mainWidget;
}
void SessionChooserDialog::deleteButtonPressed()
{
if(m_deleteCandidateRow == -1)
return;
QModelIndex uuidIndex = m_model->index(m_deleteCandidateRow, 0);
QModelIndex sessionNameIndex = m_model->index(m_deleteCandidateRow, 3);
const QString uuid = m_model->data(uuidIndex, Qt::DisplayRole).toString();
const QString sessionName = m_model->data(sessionNameIndex, Qt::DisplayRole).toString();
TryLockSessionResult result = SessionController::tryLockSession( uuid );
if( !result.lock ) {
const QString errCaption = i18nc("@title:window", "Cannot Delete Session");
QString errText = i18nc("@info", "<p>Cannot delete a locked session.");
if( result.runInfo.holderPid != -1 ) {
errText += i18nc("@info", "<p>The session <b>%1</b> is locked by %2 on %3 (PID %4).",
sessionName, result.runInfo.holderApp, result.runInfo.holderHostname, result.runInfo.holderPid);
}
KMessageBox::error( this, errText, errCaption );
return;
}
const QString text = i18nc("@info", "The session <b>%1</b> and all contained settings will be deleted. The projects will stay unaffected. Do you really want to continue?", sessionName);
const QString caption = i18nc("@title:window", "Delete Session");
const KGuiItem deleteItem = KStandardGuiItem::del();
const KGuiItem cancelItem = KStandardGuiItem::cancel();
if (KMessageBox::warningTwoActions(this, text, caption, deleteItem, cancelItem) == KMessageBox::PrimaryAction) {
SessionController::deleteSessionFromDisk(result.lock);
m_model->removeRows( m_deleteCandidateRow, 1 );
m_deleteCandidateRow = -1;
}
}
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