ial.h

在ｅｃｏｓ 下mingui 的移植开发

//
// $Id: ial.h,v 1.9 2000/11/27 01:56:02 ymwei Exp $
//
// gal.h: the head file of Graphics Abstract Layer
//
// Copyright (C) 2000, WEI Yongming.
// Copyright (C) 2000, BluePoint Software.
//
// Written by WEI Yongming, 2000/06/13
//

#ifndef GUI_IAL_H
    #define GUI_IAL_H

#ifdef __ECOS
# include <time.h>
#else
# include <sys/times.h>
#endif
#include <sys/types.h>
#include <unistd.h>

#ifdef __cplusplus
extern "C" {
#endif  /* __cplusplus */

#define IAL_MOUSE_LEFTBUTTON    4
#define IAL_MOUSE_MIDDLEBUTTON  2
#define IAL_MOUSE_RIGHTBUTTON   1
#define IAL_MOUSE_FOURTHBUTTON  8
#define IAL_MOUSE_FIFTHBUTTON   16
#define IAL_MOUSE_SIXTHBUTTON   32
#define IAL_MOUSE_RESETBUTTON   64

#define IAL_MOUSEEVENT          1
#define IAL_KEYEVENT            2

typedef struct tagINPUT
{
    char*   id;

    // Initialization and termination
    BOOL (*init_input) (struct tagINPUT *input, const char* mdev, const char* mtype);
    void (*term_input) (void);

    // Mouse operations
    int  (*update_mouse) (void);
    int  (*get_mouse_x) (void);
    int  (*get_mouse_y) (void);
    void (*set_mouse_xy) (int x, int y);
    int  (*get_mouse_button) (void);
    void (*set_mouse_range) (int minx, int miny,int maxx,int maxy);

    // Keyboard operations
    int  (*update_keyboard) (void);
    char* (*get_keyboard_state) (void);
    void (*set_leds) (unsigned int leds);

    // Event
    int (*wait_event) (int which, fd_set *in, fd_set *out, fd_set *except,
            struct timeval *timeout);
}INPUT;

extern INPUT* cur_input;

#define IAL_InitInput           (*cur_input->init_input)
#define IAL_TermInput           (*cur_input->term_input)
#define IAL_UpdateMouse         (*cur_input->update_mouse)
#define IAL_GetMouseX           (*cur_input->get_mouse_x)
#define IAL_GetMouseY           (*cur_input->get_mouse_y)
#define IAL_SetMouseXY          (*cur_input->set_mouse_xy)
#define IAL_GetMouseButton      (*cur_input->get_mouse_button)
#define IAL_SetMouseRange      (*cur_input->set_mouse_range)

#define IAL_UpdateKeyboard      (*cur_input->update_keyboard)
#define IAL_GetKeyboardState    (*cur_input->get_keyboard_state)
#define IAL_SetLeds(leds)       if (cur_input->set_leds) (*cur_input->set_leds) (leds)

#define IAL_WaitEvent           (*cur_input->wait_event)

int InitIAL (void);
void TerminateIAL (void);

#ifdef __cplusplus
}
#endif  /* __cplusplus */

#endif  /* GUI_IAL_H */