kbd_win32--.c

来自「使用miniGUI模拟器的简单开发例子(值得参考)」· C语言 代码 · 共 122 行

/*
* Copyright (c) 2005, Wilson Loi [e-mail]
* WIN32 screen driver for Microwindows
*/
#include <string.h>
#include <stdio.h>
//#include <windows.h>

//#include "device.h"
#include "common.h"
#include "ial.h"
#include "gal.h"
#include "Native.h"

//extern HWND rootWindow;

static int  Kbd__Open(KBDDEVICE *pkd);
static void Kbd__Close(void);
static void Kbd__GetModifierInfo(MWKEYMOD *modifiers, MWKEYMOD *curmodifiers);
static int  Kbd__Read(MWKEY *buf, MWKEYMOD *modifiers, MWSCANCODE *scancode);
static int  Kbd__Poll(void);

extern MSG *winMsg;

KBDDEVICE kbddev = {
	Kbd__Open,
	Kbd__Close,
	Kbd__GetModifierInfo,
	Kbd__Read,
	Kbd__Poll
};

/*
* Poll for keyboard events
*/
static int
Kbd__Poll(void)
{
	return 1;
}

/*
* Open the keyboard.
*/
static int
Kbd__Open(KBDDEVICE *pkd)
{
	return 1;
}

/*
* Close the keyboard.
*/
static void
Kbd__Close(void)
{
	
}

/*
* Return the possible modifiers for the keyboard.
*/
static  void
Kbd__GetModifierInfo(MWKEYMOD *modifiers, MWKEYMOD *curmodifiers)
{
	if (modifiers)
		*modifiers = 0;  /* no modifiers available */
	if (curmodifiers)
		*curmodifiers = 0;
}

/*
* This reads one keystroke from the keyboard, and the current state of
* the modifier keys (ALT, SHIFT, etc).  Returns -1 on error, 0 if no data
* is ready, 1 on a keypress, and 2 on keyrelease.
* This is a non-blocking call.
*/
static int
Kbd__Read(MWKEY *mwkey, MWKEYMOD *modifiers, MWSCANCODE *scancode)
{
    int keystatus = -1;
//    MWKEY mwkey = msg->wParam; // virtual-key code
//    MWKEYMOD modifiers = 0;
//    unsigned char scanCode;
    int  repeat, extended, context, previous;
	if (winMsg){	
		repeat = winMsg->lParam & 0xffff;
	//	scancode = (winMsg->lParam >> 16) & 0xffff;
		extended = winMsg->lParam & 1000000;
		context = winMsg->lParam & 20000000;
		previous = winMsg->lParam & 40000000;
		// read keyboard shift status
		*modifiers = 0;
		// read keyboard character
		*mwkey = winMsg->wParam;
		*scancode = (winMsg->lParam >> 16) & 0xffff;
		if (extended){
			
		}
		return 1;
	}
	return 0;
}

/* 2006-11-19 3:43:56
static int
KBD_Read(MWUCHAR *buf, int *modifiers)
{
	// wait until a char is ready
	if(!bioskey(1))
		return 0;

	// read keyboard shift status
	*modifiers = bioskey(2);

	// read keyboard character
	*buf = bioskey(0);

	if(*buf == 0x1b)
		return -2;
	return 1;
}*/