ItemSelectorWidget Class Reference

The ItemSelectorWidget class holds QListView to show top level items of SessionModel. More...

Inheritance diagram for ItemSelectorWidget:

Collaboration diagram for ItemSelectorWidget:

Public Slots
void	select (const QModelIndex &index, QItemSelectionModel::SelectionFlags command)
void	selectLast ()
void	updateSelection ()
	select last item if no selection exists More...

Signals
void	contextMenuRequest (const QPoint &point, const QModelIndex &index)
void	selectionChanged (SessionItem *item)

Public Member Functions
	ItemSelectorWidget (QWidget *parent=0)
	~ItemSelectorWidget ()
QListView *	listView ()
QSize	minimumSizeHint () const
QItemSelectionModel *	selectionModel ()
void	setItemDelegate (QAbstractItemDelegate *delegate)
void	setModel (SessionModel *model)
QSize	sizeHint () const

Protected Member Functions
void	connectModel ()
void	disconnectModel ()
void	showEvent (class QShowEvent *)
	provide default selection when widget is shown More...

Protected Attributes
std::unique_ptr< SessionDecorationModel >	m_decorationModel
QListView *	m_listView
SessionModel *	m_model

Private Slots
void	onCustomContextMenuRequested (const QPoint &point)
void	onSelectionChanged (const QItemSelection &selected, const QItemSelection &)

Detailed Description

The ItemSelectorWidget class holds QListView to show top level items of SessionModel.

Used in InstrumentView and JobSelectorView to switch between items.

Definition at line 33 of file ItemSelectorWidget.h.

Constructor & Destructor Documentation

ItemSelectorWidget()

ItemSelectorWidget::ItemSelectorWidget

(

QWidget *

parent = 0

)

Definition at line 22 of file ItemSelectorWidget.cpp.

    : QWidget(parent), m_listView(new QListView), m_model(nullptr)
{
    setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding);
 
    QVBoxLayout* layout = new QVBoxLayout;
    layout->setMargin(0);
 
    layout->addWidget(m_listView);
    setLayout(layout);
 
    m_listView->setContextMenuPolicy(Qt::CustomContextMenu);
    m_listView->setAttribute(Qt::WA_MacShowFocusRect, false);
 
    connect(m_listView, &QListView::customContextMenuRequested, this,
            &ItemSelectorWidget::onCustomContextMenuRequested);
}

References m_listView, and onCustomContextMenuRequested().

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~ItemSelectorWidget()

ItemSelectorWidget::~ItemSelectorWidget ( )

default

Member Function Documentation

connectModel()

void ItemSelectorWidget::connectModel ( )

protected

Definition at line 113 of file ItemSelectorWidget.cpp.

{
    if (!m_model)
        return;
 
    m_decorationModel = std::make_unique<SessionDecorationModel>(nullptr, m_model);
    m_listView->setModel(m_decorationModel.get());
 
    connect(m_listView->selectionModel(), &QItemSelectionModel::selectionChanged, this,
            &ItemSelectorWidget::onSelectionChanged, Qt::UniqueConnection);
}

References m_decorationModel, m_listView, m_model, and onSelectionChanged().

Referenced by setModel().

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contextMenuRequest

void ItemSelectorWidget::contextMenuRequest ( const QPoint &  point, const QModelIndex &  index  )

signal

Referenced by InstrumentView::InstrumentView(), JobListWidget::JobListWidget(), and onCustomContextMenuRequested().

disconnectModel()

void ItemSelectorWidget::disconnectModel ( )

protected

Definition at line 125 of file ItemSelectorWidget.cpp.

{
    m_listView->setModel(nullptr);
    m_model = nullptr;
}

References m_listView, and m_model.

Referenced by setModel().

listView()

QListView * ItemSelectorWidget::listView

(

)

Definition at line 72 of file ItemSelectorWidget.cpp.

{
    return m_listView;
}

References m_listView.

Referenced by InstrumentSelectorWidget::InstrumentSelectorWidget(), and JobListWidget::JobListWidget().

minimumSizeHint()

QSize ItemSelectorWidget::minimumSizeHint

(

)

const

Definition at line 47 of file ItemSelectorWidget.cpp.

{
    return QSize(25, 25);
}

onCustomContextMenuRequested

void ItemSelectorWidget::onCustomContextMenuRequested ( const QPoint &  point )

privateslot

Definition at line 108 of file ItemSelectorWidget.cpp.

{
    emit contextMenuRequest(m_listView->mapToGlobal(point), m_listView->indexAt(point));
}

References contextMenuRequest(), and m_listView.

Referenced by ItemSelectorWidget().

onSelectionChanged

void ItemSelectorWidget::onSelectionChanged ( const QItemSelection &  selected, const QItemSelection &    )

privateslot

Definition at line 97 of file ItemSelectorWidget.cpp.

{
    QModelIndexList indexes = selected.indexes();
    SessionItem* selectedItem(0);
 
    if (!indexes.empty())
        selectedItem = m_model->itemForIndex(indexes.back());
 
    emit selectionChanged(selectedItem);
}

References SessionModel::itemForIndex(), m_model, and selectionChanged().

Referenced by connectModel().

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select

void ItemSelectorWidget::select ( const QModelIndex &  index, QItemSelectionModel::SelectionFlags  command  )

slot

Definition at line 77 of file ItemSelectorWidget.cpp.

{
    selectionModel()->select(index, command);
}

References selectionModel().

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selectionChanged

void ItemSelectorWidget::selectionChanged ( SessionItem *  item )

signal

Referenced by InstrumentView::InstrumentView(), JobListWidget::JobListWidget(), and onSelectionChanged().

selectionModel()

QItemSelectionModel * ItemSelectorWidget::selectionModel

(

)

Definition at line 67 of file ItemSelectorWidget.cpp.

{
    return m_listView->selectionModel();
}

References m_listView.

Referenced by InstrumentView::InstrumentView(), JobListWidget::currentJobItem(), JobListWidget::makeJobItemSelected(), select(), JobListWidget::selectionModel(), selectLast(), showEvent(), and updateSelection().

selectLast

void ItemSelectorWidget::selectLast ( )

slot

Definition at line 91 of file ItemSelectorWidget.cpp.

{
    QModelIndex itemIndex = m_model->index(m_model->rowCount(QModelIndex()) - 1, 0, QModelIndex());
    selectionModel()->select(itemIndex, QItemSelectionModel::ClearAndSelect);
}

References SessionModel::index(), m_model, SessionModel::rowCount(), and selectionModel().

Referenced by updateSelection().

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setItemDelegate()

void ItemSelectorWidget::setItemDelegate

(

QAbstractItemDelegate *

delegate

)

Definition at line 62 of file ItemSelectorWidget.cpp.

{
    m_listView->setItemDelegate(delegate);
}

References m_listView.

setModel()

void ItemSelectorWidget::setModel

(

SessionModel *

model

)

Definition at line 52 of file ItemSelectorWidget.cpp.

{
    if (model == m_model)
        return;
 
    disconnectModel();
    m_model = model;
    connectModel();
}

References connectModel(), disconnectModel(), and m_model.

Referenced by InstrumentSelectorWidget::InstrumentSelectorWidget(), InstrumentView::InstrumentView(), and JobListWidget::setModel().

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showEvent()

void ItemSelectorWidget::showEvent ( class QShowEvent *  )

protected

provide default selection when widget is shown

Definition at line 132 of file ItemSelectorWidget.cpp.

{
    if (!m_model || !selectionModel())
        return;
 
    if (selectionModel()->selectedIndexes().isEmpty() && m_model->rowCount(QModelIndex()) != 0)
        selectionModel()->select(m_model->index(0, 0, QModelIndex()), QItemSelectionModel::Select);
}

References SessionModel::index(), m_model, SessionModel::rowCount(), and selectionModel().

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sizeHint()

QSize ItemSelectorWidget::sizeHint

(

)

const

Definition at line 42 of file ItemSelectorWidget.cpp.

{
    return QSize(Constants::ITEM_SELECTOR_WIDGET_WIDTH, Constants::ITEM_SELECTOR_WIDGET_HEIGHT);
}

References Constants::ITEM_SELECTOR_WIDGET_HEIGHT, and Constants::ITEM_SELECTOR_WIDGET_WIDTH.

updateSelection

void ItemSelectorWidget::updateSelection ( )

slot

select last item if no selection exists

Definition at line 85 of file ItemSelectorWidget.cpp.

{
    if (!selectionModel()->hasSelection())
        selectLast();
}

References selectionModel(), and selectLast().

Referenced by InstrumentView::showEvent().

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Member Data Documentation

m_decorationModel

std::unique_ptr<SessionDecorationModel> ItemSelectorWidget::m_decorationModel

protected

Definition at line 69 of file ItemSelectorWidget.h.

Referenced by connectModel().

m_listView

QListView* ItemSelectorWidget::m_listView

protected

Definition at line 67 of file ItemSelectorWidget.h.

Referenced by ItemSelectorWidget(), connectModel(), disconnectModel(), listView(), onCustomContextMenuRequested(), selectionModel(), and setItemDelegate().

m_model

SessionModel* ItemSelectorWidget::m_model

protected

Definition at line 68 of file ItemSelectorWidget.h.

Referenced by connectModel(), disconnectModel(), onSelectionChanged(), selectLast(), setModel(), and showEvent().

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

• /home/www/ba/GUI/coregui/Views/CommonWidgets/ItemSelectorWidget.h
• /home/www/ba/GUI/coregui/Views/CommonWidgets/ItemSelectorWidget.cpp