Cutility - Command-line drawing utility

cutility.c

#include "cutility.h"

void gotoxy(int x, int y)
{
	static HANDLE hConsole = GetStdHandle( STD_OUTPUT_HANDLE );
	COORD coord={x, y};
	SetConsoleCursorPosition(hConsole, coord);
}

void setcolor(const char *fg, const char *bg)
{
	WORD type=0;
	while(*fg!='\0'){
		switch(*fg++){
		case 'r': case 'R':
			type |= FOREGROUND_RED;
			break;
		case 'g': case 'G':
			type |= FOREGROUND_GREEN;
			break;
		case 'b': case 'B':
			type |= FOREGROUND_BLUE;
			break;
		case '+':
			type |= FOREGROUND_INTENSITY;
			break;
		}
	}
	while(*bg!='\0'){
		switch(*bg++){
		case 'r': case 'R':
			type |= BACKGROUND_RED;
			break;
		case 'g': case 'G':
			type |= BACKGROUND_GREEN;
			break;
		case 'b': case 'B':
			type |= BACKGROUND_BLUE;
			break;
		case '+':
			type |= BACKGROUND_INTENSITY;
			break;
		}
	}
	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),type);
}

void msgbox(const char *msg)
{
	int temp;
	gotoxy(21,8);
	printf("╭────────────────╮");
	gotoxy(21,9);
	printf("│");
	setcolor("rgb+", "b");
	printf("              訊息              ");
	setcolor("rgb", "");
	printf("│");
	gotoxy(21, 10);
	printf("├────────────────┤");
	gotoxy(21,11);
	printf("│");
	setcolor("", "rgb");
	printf("%32s", msg);
	setcolor("rgb", "");
	printf("│");
	gotoxy(21, 12);
	printf("╰────────────────╯");
	temp = getch();
	if(temp==224 || temp==0){getch();}	// some special keys send 2 ASCII values
	gotoxy(0,24);
}

cutility.h

/*******************************************************************************
Author: CrBoy

Cutility is a command line drawing utility for Windows which is originally made
on 2006. This stuff is revised and released on November, 2011.
These code are very simple and suitable for studying. For productivity, using
curses may be a good idea.
*******************************************************************************/

#ifndef __CUTILITY_H__
#define __CUTILITY_H__

#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <conio.h>


#define clrscr() system("cls")

#ifdef __cplusplus
extern "C"{
#endif
void gotoxy(int x, int y); // Move the cursor to specified position
void setcolor(const char *fg, const char *bg); // Usage: setcolor("rgb+", "rgb+");
void msgbox(const char *msg); // Display message in a message box
#ifdef __cplusplus
}
#endif

#endif