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input.h

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#ifndef __INPUT_H
#define __INPUT_H

#include <SDL/SDL_events.h>
#include <SDL/SDL_mouse.h>
#include <SDL/SDL_keyboard.h>
#include <SDL/SDL_keysym.h>

typedef SDL_Event Event; 

class Input {
public:
        enum MouseButton {
                MOUSE_BUTTON1 = 0x01
        };
        
        enum Key {
                UNKNOWN = 0,
                CANCEL,
                FAST_QUIT,
                FULLSCREEN_TOGGLE,
                LOCKMOUSE_TOGGLE,
                WALK_WEST,
                WALK_EAST,
                WALK_NORTH,
                WALK_SOUTH,
                ADD_UFO,
                MUSIC_TOGGLE,
                RAPID_FIRE,
                SWITCH_MUSIC,
                ROT_UP,
                ROT_DOWN,
                KLAST
        };
                
        Input();
        ~Input();

        void init();
                
        // Returns a bitmask OR'd of button presses.
        int GetMouse (int &x, int &y);
        
        // Clears the state of the mouse
        bool ResetMouse (unsigned int mask = (unsigned int)-1);
        bool ResetMouseButton(unsigned int mask);

        // If argument is true, confines the mouse to our window.
        bool LockMouse(bool);
        
        // Return true if a certain key is pressed
        bool IsPressed(Key);

        // Return true if shift is pressed
        bool IsShift() { return ((SDL_GetModState() & (KMOD_LSHIFT|KMOD_RSHIFT)) != 0); }
        
        // Clear the keypress
        bool ResetKey(Key);
        
        // Handles the Event calls, returns true if handled properly
        bool Update(Event &);
        
        // Maps an SDL key to an input key.
        void Map(int sdlkey, Key inputkey);
private:
        void HandleKeyDown(int sdlkeysym);
        void HandleKeyUp(int sdlkeysym);
        void HandleMouseMotion(int x, int y);
        void HandleMouseButtonDown(int button);
        void HandleMouseButtonUp(int button);
        
        Key mapping[SDLK_LAST];
        bool presses[KLAST];
        int mouse_press;
        int mouse_x, mouse_y;
};


#endif

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