KeyboardMouse.h

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/***************************************************************************
                          KeyboardMouse.h  -  description
                             -------------------
    begin                : April 2004
    copyright            : (C) 2004 by Jan Flasar
    email                : flasar@fi.muni.cz
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU L General Public License as published by*
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef KEYBOARDMOUSE_H
#define KEYBOARDMOUSE_H

#include <vrecko/IOPins.h>
#include <vrecko/Device.h>
#include <vrecko/EventDispatcher.h>

#include <osgGA/GUIEventHandler>
//#include <osgProducer/EventAdapter>
#include <osg/Vec2>
#include <osg/Timer>


using namespace vrecko;

namespace vreckoDP_base {

class DP_EXPORT KeyboardMouse : public vrecko::Device, public osgGA::GUIEventHandler {
    public:
        KeyboardMouse();
        ~KeyboardMouse();

        virtual int openDevice(void);
        int closeDevice(void);
        int calibrateDevice(void) {return 0;}

        bool isKeyDown(int keyCode) { return keydown_map[keyCode]; };

        void update(void);
        
        virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&);
        virtual void accept(osgGA::GUIEventHandlerVisitor& v)   { v.visit(*this); };
        
        // ---  KeyboardMouseCallback functions (V.K.: "callbacks"? Really?)
        void mouseScroll( osgGA::GUIEventAdapter::ScrollingMotion );
        void mouseMotion( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);
        void passiveMouseMotion( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa, float mx, float my);
        void buttonPress( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa, float mx, float my, unsigned int mb);
        void doubleButtonPress( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa, float mx, float my, unsigned int mb);
        void buttonRelease( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa, float mx, float my, unsigned int mb);
        void keyPress( int );
        void keyRelease( int );
        void specialKeyPress( int );
        void specialKeyRelease( int );
        void shutdown() {}
        bool idle() { return false; }

    protected:
        unsigned int mouse_button;
        osg::Vec2 mouse_position;
        std::map<int, osg::Timer_t> autorepeat_map;

        std::map<int, bool> keydown_map;
        osg::Timer timer;
        bool new_mouse_pos_ready;

        int mouseUpdateCounter; // helper counter, so we can ignore first few frames after start or after switching form another app (and reset the mouse pos appropriately)
        
        EventDispatcher *pEventDispatcher;

        bool sendMousePosIfReady(); // if a new position data are ready, it will send the event and resets the data
        bool keyToString(int key, std::string *str);

        DECLARE_OUTPUT(Key, MessageString);
        DECLARE_OUTPUT(MousePosition, MessageVec2);
        DECLARE_OUTPUT(MouseButton, MessageString);
        DECLARE_OUTPUT(MouseDoubleButton, MessageString);
        DECLARE_OUTPUT(MouseScroll, MessageString);
};

}

#endif