qsdlitem.h

/*
 * Copyright (c) 2014 Robin Burchell <robin+git@viroteck.net>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef QSDLITEM_H
#define QSDLITEM_H

#include <QObject>
#include <QQmlListProperty>
#include <QVector>

class QSdlWindow;

class QSdlItem : public QObject
{
    Q_OBJECT

    // why can't i type this as QSdlItem?!
    Q_PROPERTY(QObject *parent READ parentItem WRITE setParentItem NOTIFY parentItemChanged)
    Q_PROPERTY(int x READ x WRITE setX NOTIFY xChanged)
    Q_PROPERTY(int y READ y WRITE setY NOTIFY yChanged)
    Q_PROPERTY(int width READ width WRITE setWidth NOTIFY widthChanged)
    Q_PROPERTY(int height READ height WRITE setHeight NOTIFY heightChanged)
    Q_PROPERTY(QQmlListProperty<QObject> data READ data DESIGNABLE false)

    Q_CLASSINFO("DefaultProperty",  "data")
public:
    QSdlItem(QObject *parent = 0);
    ~QSdlItem();

    QSdlWindow *window() const;

    virtual void render();
    virtual bool mousePress(int x, int y);
    virtual bool mouseRelease(int x, int y);

    QQmlListProperty<QObject> data();
    static void data_append(QQmlListProperty<QObject> *, QObject *);
    static int data_count(QQmlListProperty<QObject> *);
    static QObject *data_at(QQmlListProperty<QObject> *, int);
    static void data_clear(QQmlListProperty<QObject> *);

    int x() const;
    int y() const;
    void setX(int x);
    void setY(int y);

    int width() const;
    int height() const;
    void setWidth(int width);
    void setHeight(int height);

    QObject *parentItem() const;
    void setParentItem(QObject *parent);

signals:
    void xChanged();
    void yChanged();

    void widthChanged();
    void heightChanged();

    void pressed();
    void released();

    void parentItemChanged();

protected:
    QSdlWindow *m_window;
    QSdlItem *m_parentItem;
    QVector<QSdlItem *> m_childItems;
    QQmlListProperty<QObject> m_data;
    int m_x;
    int m_y;
    int m_width;
    int m_height;
};

#endif