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#ifndef CURSORNAVIGATIONATTACHED_H
#define CURSORNAVIGATIONATTACHED_H
//#include <qqml.h>
#include <QObject>
#include <QList>
class CursorNavigation;
class QQuickItem;
class QQuickWindow;
class CursorNavigationAttached : public QObject
{
Q_OBJECT
//is available for cursor navigation
Q_PROPERTY(bool acceptsCursor READ acceptsCursor WRITE setAcceptsCursor NOTIFY acceptsCursorChanged)
//indicates if item is currently selected, indicated also by activeFocus property
Q_PROPERTY(bool hasCursor READ hasCursor NOTIFY hasCursorChanged)
//indicates if one of children is currently selected
Q_PROPERTY(bool childHasCursor READ hasCursor NOTIFY hasCursorChanged)
//traps cursor. a trapped cursor can not be traversed outside of the item that traps it until the escape input is given
Q_PROPERTY(bool trapsCursor READ trapsCursor WRITE setTrapsCursor NOTIFY trapsCursorChanged)
//item to select when
Q_PROPERTY(QQuickItem *escapeTarget READ escapeTarget WRITE setEscapeTarget NOTIFY escapeTargetChanged)
public:
CursorNavigationAttached(QQuickItem *parent);
~CursorNavigationAttached();
bool acceptsCursor() const;
bool hasCursor() const;
bool trapsCursor() const;
QQuickItem *escapeTarget() const;
QQuickItem *item() const;
public slots:
void setAcceptsCursor(bool acceptsCursor);
void setTrapsCursor(bool trapsCursor);
void setEscapeTarget(QQuickItem * escapeTarget);
void move(qreal angle, qreal tolerance = 0);
void move(QVector2D vector, qreal tolerance = 0);
//find the next item with this move, without moving
QQuickItem *find(qreal angle, qreal tolerance = 0);
QQuickItem *find(QVector2D vector, qreal tolerance = 0);
void moveUp();
void moveDown();
void moveRight();
void moveLeft();
void activate();
void forward();
void back();
void escape();
signals:
void acceptsCursorChanged(bool acceptsCursor);
void hasCursorChanged(bool hasCursor);
void trapsCursorChanged(bool trapsCursor);
void escapeTargetChanged(QQuickItem * escapeTarget);
private slots:
void onWindowChanged(QQuickWindow *window);
private:
void setHasCursor(bool hasCursor);
//QList<CursorNavigationAttached*> &siblings();
CursorNavigation *m_cursorNavigation;
CursorNavigationAttached *m_parentNavigable;
QList<CursorNavigationAttached*> m_children;
bool m_acceptsCursor;
bool m_hasCursor;
bool m_trapsCursor;
friend class CursorNavigation;
QQuickItem * m_escapeTarget;
};
#endif // CURSORNAVIGATIONATTACHED_H
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