QSFMLCanvas.hpp

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/* =========================================================== *
 * QSFML (c) Kamil Koczurek | koczurekk@gmail.com             *
 * GNU GPL v3 License http://www.gnu.org/licenses/gpl-3.0.html *
 * =========================================================== */


#ifndef QSFMLCANVAS_H
#define QSFMLCANVAS_H

#include <SFML/Graphics/RenderWindow.hpp>
#include <SFML/Window/Event.hpp>

#include <QMouseEvent>
#include <QWheelEvent>
#include <QKeyEvent>
#include <qdebug.h>
#include <QWidget>
#include <QTimer>

namespace qsf {
    class QSFMLWidget
    : public QWidget,
    public sf::RenderWindow {
    public:
        explicit QSFMLWidget(QWidget *parent, const QPoint& Position, const QSize& Size, unsigned int FrameTime = 7); //Defauld frame time should give about 144 FPS

        virtual ~QSFMLWidget();

        virtual void showEvent(QShowEvent*);

        virtual QPaintEngine* paintEngine() const;

        virtual void paintEvent(QPaintEvent*);

        virtual void OnInit();

        virtual void OnUpdate();

        virtual void OnDestroy();

        bool pollEvent(sf::Event & ev);

    private:
        bool _initialized;
        QTimer refreshTimer;
        sf::Time _frameTime;
        sf::Clock frameClock;
        std::vector<sf::Event> SfEvents;

        /* =============== *
         * EVENTS HANDLING *
         * =============== */
        //Mouse buttons
        void mousePressEvent(QMouseEvent *e);
        void mouseReleaseEvent(QMouseEvent *e);

        //Mouse wheel
        void wheelEvent(QWheelEvent *e);

        //Keyboard
        void keyPressEvent(QKeyEvent *e);
        void keyReleaseEvent(QKeyEvent *e);

        //Resize event
        void resizeEvent(QResizeEvent *event);

    protected:
        bool isInitialized();

        sf::Time getDeltaTime();

        void pushEvent(sf::Event & ev);
    };
}
#endif // QSMLCANVAS_H