check_box.hpp

#pragma once
 
#include <QJSValue>
#include "qml_material/control/abstract_button.hpp"
 
namespace qml_material
{
class QML_MATERIAL_API CheckBox : public AbstractButton {
    Q_OBJECT
    QML_NAMED_ELEMENT(CheckBoxBase)
    Q_PROPERTY(bool tristate READ isTristate WRITE setTristate NOTIFY tristateChanged BINDABLE
                   bindableTristate FINAL)
    Q_PROPERTY(Qt::CheckState checkState READ checkState WRITE setCheckState NOTIFY
                   checkStateChanged FINAL)
    Q_PROPERTY(QJSValue nextCheckState READ nextCheckStateCallback WRITE setNextCheckStateCallback
                   NOTIFY nextCheckStateChanged FINAL)
public:
    explicit CheckBox(QQuickItem* parent = nullptr);
    bool            isTristate() const { return m_tristate; }
    void            setTristate(bool);
    QBindable<bool> bindableTristate() { return QBindable<bool>(&m_tristate); }
    Qt::CheckState  checkState() const { return m_state; }
    void            setCheckState(Qt::CheckState);
    QJSValue        nextCheckStateCallback() const { return m_callback; }
    void            setNextCheckStateCallback(const QJSValue&);
    Q_SIGNAL void   tristateChanged();
    Q_SIGNAL void   checkStateChanged();
    Q_SIGNAL void   nextCheckStateChanged();
 
protected:
    void nextCheckState() override;
 
private:
    Q_OBJECT_BINDABLE_PROPERTY(CheckBox, bool, m_tristate, &CheckBox::tristateChanged)
    bool           m_syncing = false;
    Qt::CheckState m_state   = Qt::Unchecked;
    QJSValue       m_callback;
};
} // namespace qml_material