C:/Marmalade/7.4/examples/GameTutorial/CPP/Stage2/source/CInput.h

#if !defined(_CINPUT_H_)
#define _CINPUT_H_

#include "IwGeom.h"
#include "s3ePointer.h"
#include "s3eKeyboard.h"
#include "s3eOSReadString.h"

#define MAX_TOUCHES             4

//
//
// CTouch - Represents a single touch
//
//
struct CTouch
{
public:
    int         x, y;           // Touch position
    bool        active;         // Touch active state
    int         id;                     // ID of touch - The system tracks multiple touches by assigning each one a unique ID
};

//
//
// CInput - The CInput class is responsible for detecting multiple screen touches
//
//
class CInput
{
        // Properties
private:
        bool            PointerAvailable;                               // true if a pointer is present
        bool            KeysAvailable;                                  // true if a key input is present
        bool            OSKeyboardAvailable;                    // trie if on screen keyboard is available
        bool            IsMultiTouch;                                   // true if multitouch is enabled
        CTouch          Touches[MAX_TOUCHES];                   // List of potential touches
public:
        bool            isPointerAvailable() const { return PointerAvailable; } // Returns availability of the pointer
        bool            isKeysAvailable() const { return KeysAvailable; }               // Returns availability of keys
        bool            isOSKeyboardAvailable() const { return OSKeyboardAvailable; }   // Returns availability of on screen keyboard
        bool            isMultiTouch() const { return IsMultiTouch; }           // Returns multitouch capability
        CTouch*         getTouchByID(int id);                                                           // returns the touch identified by its id
        CTouch*         getTouch(int index) { return &Touches[index]; }         // Gets a specific touch
        CTouch*         findTouch(int id);                                                                      // Finds a specific touch by its id
        int                     getTouchCount() const;                                                          // Get number of touches this frame
        bool            isKeyDown(s3eKey key) const;
        bool            isKeyUp(s3eKey key) const;
        bool            wasKeyPressed(s3eKey key) const;
        bool            wasKeyReleased(s3eKey key) const;
        const char* showOnScreenKeyboard(const char* prompt, int flags = 0, const char* default_text = NULL);
        // Properties end

private:
public:
        bool            Init();                                                 // Initialises the input system (returns true if pointer is supported)
        void            Release();                                              // Releases data used by the input system
        void            Update();                                               // Updates the input system, called every frame
};

extern CInput g_Input;



#endif  // _CINPUT_H_