ui.c

#include "ui.h"
#include "message.h"

#include <stdlib.h>
#include <string.h>
#include <ncurses/ncurses.h>

extern WINDOW *main_win, *msg_win_box, *msg_win, *ip_win_box, *ip_win, *login_win;

void init_ui()
{
	init_root_ui();
	if (LINES < 24 || COLS < 76) {
		init_err_scr(-1, "Small Terminal", "Please increase the size", 0);
	} else {
		init_msg_win();
		init_ip_win();
	}
}

void init_root_ui()
{
	main_win = initscr();
	noecho();
	cbreak();
	keypad(main_win, TRUE);
}

void init_msg_win()
{
	msg_win_box = subwin(main_win, LINES * 0.8, COLS, 0, 0);
	box(msg_win_box, 0, 0);
	
	msg_win = subwin(main_win, LINES * 0.8 - 2, COLS - 2, 1, 1);
	scrollok(msg_win, TRUE);
}

void init_ip_win()
{
	ip_win_box = subwin(main_win, LINES * 0.2, COLS, LINES * 0.8 + 1, 0);
	box(ip_win_box, 0, 0);
	ip_win = subwin(ip_win_box, LINES * 0.2 - 3, COLS - 2, LINES * 0.8 + 2, 1);
}

void init_err_scr(int err, char *title, char *subtitle, int should_exit)
{
	wattron(main_win, A_BOLD);
	mvwaddstr(main_win, LINES * 0.3, COLS * 0.4, title);
	wattroff(main_win, A_BOLD);
	mvwaddstr(main_win, LINES * 0.3 + 1, COLS * 0.4, subtitle);
	wrefresh(main_win);
	if (should_exit) {
		mvwaddstr(main_win, LINES * 0.7, COLS * 0.4, "Press any key to exit");
		getch();
		endwin();
		exit(1);
	}
}

void print_msg(char *name, char *buf)
{
	wattron(msg_win, A_BOLD);
	wprintw(msg_win, name);
	wprintw(msg_win, "\n");
	wattroff(msg_win, A_BOLD);
	wprintw(msg_win, buf);
	wprintw(msg_win, "\n\n");
	wrefresh(msg_win);
}

void get_ip(char *buf, int len)
{
	bzero(buf, strlen(buf));
	int i = 0, ch;
	while ((ch = getch()) != '\n' && i < len) {
		if (ch == KEY_BACKSPACE || ch == KEY_DC || ch == '\b' || ch == KEY_LEFT) {
			if (i) {
				wprintw(ip_win, "\b \b\0");
				buf[--i] = '\0';
				wrefresh(ip_win);
			} else {
				wprintw(ip_win, "\b \0");
			}
		} else {
			strcat(buf, (char*)&ch);
			++i;
			wprintw(ip_win, (char*)&ch);
			wrefresh(ip_win);
		}
	}
	buf[i] = '\0';
	trim_str(buf);
}