KisSessionManagerDialog Class Reference

#include <KisSessionManagerDialog.h>

Inheritance diagram for KisSessionManagerDialog:

Public Member Functions
	KisSessionManagerDialog (QWidget *parent=nullptr)

Protected Member Functions
bool	event (QEvent *event) override

Private Slots
void	slotClose ()
void	slotDeleteSession ()
void	slotModelAboutToBeReset (QModelIndex)
void	slotModelReset ()
void	slotModelSelectionChanged (QItemSelection selected, QItemSelection deselected)
void	slotNewSession ()
void	slotRenameSession ()
void	slotSessionDoubleClicked (QModelIndex item)
void	slotSwitchSession ()

Private Member Functions
KisSessionResourceSP	getSelectedSession () const
void	updateButtons ()

Private Attributes
int	m_lastSessionId
KisResourceModel *	m_model

Static Private Attributes
static int	refreshEventType = -1

Detailed Description

Definition at line 19 of file KisSessionManagerDialog.h.

Constructor & Destructor Documentation

KisSessionManagerDialog()

KisSessionManagerDialog::KisSessionManagerDialog ( QWidget * parent = nullptr )

explicit

Definition at line 18 of file KisSessionManagerDialog.cpp.

    : QDialog(parent)
{
    setupUi(this);
    
    // Register the custom event type that is used to defer UI updates
    if (refreshEventType == -1) {
        refreshEventType = QEvent::registerEventType();
    }
 
    connect(btnNew, SIGNAL(clicked()), this, SLOT(slotNewSession()));
    connect(btnRename, SIGNAL(clicked()), this, SLOT(slotRenameSession()));
    connect(btnSwitchTo, SIGNAL(clicked()), this, SLOT(slotSwitchSession()));
    connect(btnDelete, SIGNAL(clicked()), this, SLOT(slotDeleteSession()));
    connect(btnClose, SIGNAL(clicked()), this, SLOT(slotClose()));
    connect(this, SIGNAL(finished(int)), this, SLOT(slotClose()));
 
    m_model = new KisResourceModel(ResourceType::Sessions, this);
    lstSessions->setModel(m_model);
    lstSessions->setModelColumn(KisAbstractResourceModel::Name);
    lstSessions->setEditTriggers(QAbstractItemView::NoEditTriggers);
 
    connect(lstSessions, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(slotSessionDoubleClicked(QModelIndex)));
    
    connect(lstSessions->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)), this, SLOT(slotModelSelectionChanged(QItemSelection, QItemSelection)));
 
    updateButtons();
}

References connect(), m_model, KisAbstractResourceModel::Name, refreshEventType, ResourceType::Sessions, slotClose(), slotDeleteSession(), slotModelSelectionChanged(), slotNewSession(), slotRenameSession(), slotSessionDoubleClicked(), slotSwitchSession(), and updateButtons().

Member Function Documentation

event()

bool KisSessionManagerDialog::event ( QEvent * event )

overrideprotected

Definition at line 47 of file KisSessionManagerDialog.cpp.

{
    if (event->type() == (QEvent::Type) refreshEventType) {
        // Do the actual work of updating the button state when receiving a custom event
        bool hasSelectedSession = getSelectedSession() != nullptr;
        btnDelete->setEnabled(hasSelectedSession);
        btnSwitchTo->setEnabled(hasSelectedSession);
        btnRename->setEnabled(hasSelectedSession);
        return true;
    } else {
        return QDialog::event(event);
    }
}

References event(), getSelectedSession(), and refreshEventType.

getSelectedSession()

KisSessionResourceSP KisSessionManagerDialog::getSelectedSession ( ) const

private

Definition at line 124 of file KisSessionManagerDialog.cpp.

{
    QModelIndex idx = lstSessions->currentIndex();
    if (idx.isValid()) {
        KoResourceSP res = m_model->resourceForIndex(idx); // lstSessions uses the same index as m_model
        return res.dynamicCast<KisSessionResource>();
    }
    return nullptr;
}

References m_model, and KisResourceModel::resourceForIndex().

slotClose

void KisSessionManagerDialog::slotClose ( )

privateslot

Definition at line 142 of file KisSessionManagerDialog.cpp.

{
    hide();
    KisMainWindow *w = KisPart::instance()->currentMainwindow();
    if (w && !w->isVisible()) {
        w->show();
    }
}

References KisPart::currentMainwindow(), and KisPart::instance().

slotDeleteSession

void KisSessionManagerDialog::slotDeleteSession ( )

privateslot

Definition at line 134 of file KisSessionManagerDialog.cpp.

{
    QModelIndex idx = lstSessions->currentIndex();
    if (idx.isValid()) {
        m_model->setResourceInactive(lstSessions->currentIndex());
    }
}

References m_model, and KisAbstractResourceModel::setResourceInactive().

slotModelAboutToBeReset

void KisSessionManagerDialog::slotModelAboutToBeReset ( QModelIndex )

privateslot

Definition at line 151 of file KisSessionManagerDialog.cpp.

{
    QModelIndex idx = lstSessions->currentIndex();
    if (idx.isValid()) {
        m_lastSessionId = m_model->data(idx, Qt::UserRole + KisAbstractResourceModel::Id).toInt();
    }
}

References KisAbstractResourceModel::Id, m_lastSessionId, and m_model.

slotModelReset

void KisSessionManagerDialog::slotModelReset ( )

privateslot

Definition at line 159 of file KisSessionManagerDialog.cpp.

{
    for (int i = 0; i < m_model->rowCount(); i++) {
        QModelIndex idx = m_model->index(i, 0);
        int id = m_model->data(idx, Qt::UserRole + KisAbstractResourceModel::Id).toInt();
        if (id == m_lastSessionId) {
            lstSessions->setCurrentIndex(idx);
        }
    }
    
    updateButtons();
}

References KisAbstractResourceModel::Id, m_lastSessionId, m_model, and updateButtons().

slotModelSelectionChanged

void KisSessionManagerDialog::slotModelSelectionChanged ( QItemSelection selected, QItemSelection deselected )

privateslot

Definition at line 172 of file KisSessionManagerDialog.cpp.

{
    (void) selected;
    (void) deselected;
    
    updateButtons();
}

References updateButtons(), and void().

slotNewSession

void KisSessionManagerDialog::slotNewSession ( )

privateslot

Definition at line 68 of file KisSessionManagerDialog.cpp.

{
    QString name;
 
    name = QInputDialog::getText(this,
                                 i18n("Create session"),
                                 i18n("Session name:"), QLineEdit::Normal,
                                 name);
    if (name.isEmpty()) return;
 
    KisSessionResourceSP session(new KisSessionResource(QString(name)));
 
    QString filename = name.split(" ").join("_") + session->defaultFileExtension();
    session->setFilename(filename);
    session->setName(name);
    session->storeCurrentWindows();
 
    KisResourceUserOperations::addResourceWithUserInput(this, session);
 
    KisPart::instance()->setCurrentSession(session);
 
}

References KisResourceUserOperations::addResourceWithUserInput(), KisPart::instance(), and KisPart::setCurrentSession().

slotRenameSession

void KisSessionManagerDialog::slotRenameSession ( )

privateslot

Definition at line 91 of file KisSessionManagerDialog.cpp.

{
    QString name = QInputDialog::getText(this,
         i18n("Rename session"),
         i18n("New name:"), QLineEdit::Normal
    );
    if (name.isNull() || name.isEmpty()) return;
 
    KisSessionResourceSP session = getSelectedSession();
    if (!session) return;
 
    KisResourceModel resourceModel(ResourceType::Sessions);
    KisResourceUserOperations::renameResourceWithUserInput(this, session, name);
}

References getSelectedSession(), KisResourceUserOperations::renameResourceWithUserInput(), and ResourceType::Sessions.

slotSessionDoubleClicked

void KisSessionManagerDialog::slotSessionDoubleClicked ( QModelIndex item )

privateslot

Definition at line 106 of file KisSessionManagerDialog.cpp.

{
    slotSwitchSession();
    slotClose();
}

References slotClose(), and slotSwitchSession().

slotSwitchSession

void KisSessionManagerDialog::slotSwitchSession ( )

privateslot

Definition at line 112 of file KisSessionManagerDialog.cpp.

{
    KisSessionResourceSP session = getSelectedSession();
 
    if (session) {
        bool closed = KisPart::instance()->closeSession(true);
        if (closed) {
            KisPart::instance()->restoreSession(session);
        }
    }
}

References KisPart::closeSession(), getSelectedSession(), KisPart::instance(), and KisPart::restoreSession().

updateButtons()

void KisSessionManagerDialog::updateButtons ( )

private

Definition at line 61 of file KisSessionManagerDialog.cpp.

{
    // Defer updating the buttons by posting a custom event with low priority to avoid locking against
    // a non-recursive session lock that may be already held by the thread
    QApplication::postEvent(this, new QEvent((QEvent::Type) refreshEventType), Qt::LowEventPriority);
}

References refreshEventType.

Member Data Documentation

m_lastSessionId

int KisSessionManagerDialog::m_lastSessionId

private

Definition at line 48 of file KisSessionManagerDialog.h.

m_model

KisResourceModel* KisSessionManagerDialog::m_model

private

Definition at line 50 of file KisSessionManagerDialog.h.

refreshEventType

int KisSessionManagerDialog::refreshEventType = -1

staticprivate

Definition at line 52 of file KisSessionManagerDialog.h.

---

The documentation for this class was generated from the following files:

• libs/ui/dialogs/KisSessionManagerDialog.h
• libs/ui/dialogs/KisSessionManagerDialog.cpp