e3c
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
#include <dos.h>
#include <wslib.h>
#include <misclib.h>

#include "io.h"
#include "connect.h"
#include "command.h"
#include "message.h"
#include "chat.h"


static int cur_y;

static char lbuf[500][160];

static int lcnt = 0;



void init_scr(void)
{
	_wscroll = 0;

	textbackground(BLUE);
	textcolor(WHITE);
	clrscr();

	textbackground(LIGHTCYAN);
	gotoxy(1, 1);
	clreol();
	gotoxy(1, 24);
	clreol();
	textbackground(BLUE);

	cur_y = 1;
	gotoxy(1, 25);
}


void err_msg(char *s)
{
	int old_x = wherex(), old_y = wherey();

	MessageBeep(MB_ICONEXCLAMATION);
	textbackground(LIGHTCYAN);
	textcolor(BLACK);
	gotoxy(2, 24);
	clreol();
	cprintf("ERROR: %s", s);
	_sleep(2);
	gotoxy(2, 24);
	clreol();
	textbackground(BLUE);
	textcolor(WHITE);
	gotoxy(old_x, old_y);
}


void show_info(char *s)
{
	int old_x = wherex(), old_y = wherey();

	textbackground(LIGHTCYAN);
	textcolor(BLACK);
	gotoxy(2, 1);
	clreol();
	cprintf(s);
	textbackground(BLUE);
	textcolor(WHITE);
	gotoxy(old_x, old_y);
}


static void put_line(char *s)
{
	if (++cur_y > 23) {
		movetext(1, 3, 80, 23, 1, 2);
		gotoxy(1, 23);
		clreol();
		cur_y--;
	}
	gotoxy(1, cur_y);
	cprintf("%s", s);

/*
	gettext(1, cur_y, 80, cur_y, lbuf[lcnt++]);
	if (lcnt == 500) {
		memcpy(buf[100], buf[0], 400 * 160);
		lcnt = 400;
	}
*/
}


void put_rcvd(char *text, int color)
{
	int i, old_x = wherex(), old_y = wherey();
	char *wtext, *tmp, *p1, *p2;

	wtext = new_string(text);
	textcolor(color);
	
    if (strchr(wtext, '\n') || (strlen(wtext) > 80)) {
		tmp = (char*)malloc(81);
		for (p1 = p2 = wtext; *p2; p2++) {
			if ((*p2 == '\n') || ((p2 - p1) == 80)) {
				if (*p2 == '\n') {
					*p2 = '\0';
					strcpy(tmp, p1);
				} else {
					memset(tmp, 0, 81);
					strncpy(tmp, p1, p2 - p1);
				}
				put_line(tmp);
				p1 = (*p2 == '\0') ? p2 + 1 : p2;
			}
		}
		strcpy(tmp, p1);
		put_line(tmp);
		free(tmp);
    } else
		put_line(wtext);

	textcolor(WHITE);
	gotoxy(old_x, old_y);
	free(wtext);
}


static void get_input(void)
{
	char c;
	static int count = 0;
	static char tmp[256];

	c = getch();

	switch (c) {
		case 8 :
			if (count) {
				count--;
				gotoxy(count + 1, 25);
				putch(' ');
				gotoxy(count + 1, 25);
			}
			break;

		case 9:
			if (! count) {
				if (priv_nick) {
					sprintf(tmp, "/msg %s ", priv_nick);
					gotoxy(count + 1, 25);
					cprintf(tmp);
					count += strlen(tmp);
				}
			}
			break;

		case 13:
			tmp[count] = 0;
			if (strlen(tmp)) {
				gotoxy(1, 25);
				clreol();
				count = 0;
				cmd_parse(tmp);
			}
			break;

		default:
			gotoxy(count + 1, 25);
			if (count < 80) {
				putch(c);
				tmp[count++] = c;
			}
	}
}


void chk_keyboard(void)
{
	char *s;
	
	if (kbhit())
		get_input();
}


void chk_sockets(void)
{
/*	DOWNLOAD *dl; */
	fd_set fds;
	struct timeval tv;
	int r, empty = 1;

	tv.tv_sec = 0;
	tv.tv_usec = 0;

	FD_ZERO(&fds);

	if (srv_sock != INVALID_SOCKET) {
		FD_SET(srv_sock, &fds);
		empty = 0;
	}
         
/*
	for (dl = downloads; dl; dl = dl->next) {
		FD_SET(dl->socket, &fds);
		empty = 0;
	}
*/

	if (empty)
		return;

	r = select(0, &fds, NULL, NULL, &tv);
	if (r == -1)
		err_msg(ws_strerror());
	else if (r > 0) {
		if (FD_ISSET(srv_sock, &fds))
			get_msg();
/*
		for (dl = downloads; dl; dl = dl->next) {
			if (FD_ISSET(dl->socket))
				rcv_data(dl->socket);
		}
*/
	}
}
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