forked from amberisvibin/bbs
119 lines
3.8 KiB
C
119 lines
3.8 KiB
C
/* SPDX-License-Identifier: MIT */
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#include <curses.h>
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#include <string.h>
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#include <locale.h>
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#include "globals.h"
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#include "home.h"
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#define MAX_ERROR_MESSAGE_SIZE 60 /* size of error_message array */
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const unsigned int GETCH_TIMEOUT = 10; /* in ms */
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const char* LOCALE = "en_US.UTF-8"; /* enable unicode support, set to "ANSI_X3.4-1968" for ascii */
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char error_message[MAX_ERROR_MESSAGE_SIZE];
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static void draw_error(struct Screen *screen, __attribute__((unused)) char *input) {
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mvwprintw(screen->win, 1, 2, "%s", error_message);
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}
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static void draw_screen (struct Screen *screen, char *input) {
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screen->draw_screen(screen, input);
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box(screen->win, 0, 0);
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/* wattron(screen->win, A_STANDOUT); */
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mvwprintw(screen->win, 0, 1, " %s ", screen->name);
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/* wattroff(screen->win, A_STANDOUT); */
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}
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int main() {
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initscr(); /* start ncurses */
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noecho(); /* hide keyboard input */
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curs_set(0); /* disable cursor */
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timeout(GETCH_TIMEOUT); /* set timeout for getch() */
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setlocale(LC_CTYPE, LOCALE); /* set locale, UTF8 support is enabled here */
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unsigned int start_y = 0;
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unsigned int start_x = 0;
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unsigned int terminal_width;
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unsigned int terminal_height;
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unsigned int old_terminal_width = 0;
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unsigned int old_terminal_height = 0;
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// struct Screen screens[MAX_SCREENS];
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enum Status status = STATUS_NEED_REFRESH; /* refresh screens[active_screen].window on first loop */
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char input = ' ';
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strcpy(error_message, "");
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getmaxyx(stdscr, terminal_height, terminal_width);
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unsigned int screen_before_error = HOME;
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enum ActiveScreen active_screen = HOME;
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struct Screen home = {
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"home",
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newwin(terminal_height, terminal_width, start_y, start_x),
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draw_home
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};
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screens[HOME] = home;
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struct Screen error = {
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"error",
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newwin(terminal_height, terminal_width, start_y, start_x),
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draw_error
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};
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screens[ERROR] = error;
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/* main event loop */
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while (status != STATUS_QUIT) {
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if ((input = getch())) { /* if any input was read */
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/* TODO: factor out input to another function */
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if (input == 'q') {
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status = STATUS_QUIT;
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} else {
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status = STATUS_NEED_REFRESH;
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};
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};
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getmaxyx(stdscr, terminal_height, terminal_width);
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/* resize active screen's window */
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if (old_terminal_width != terminal_width || old_terminal_height != terminal_height) {
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wclear(screens[active_screen].win);
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wresize(screens[active_screen].win, terminal_height, terminal_width);
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mvwin(screens[active_screen].win, 0, 0);
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wrefresh(screens[active_screen].win);
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old_terminal_width = terminal_width;
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old_terminal_height = terminal_height;
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if (terminal_width < 80 || terminal_height < 24) {
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if (active_screen != ERROR) {
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strcpy(error_message, "This program expects at least 80 rows by 24 columns.");
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screen_before_error = active_screen;
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};
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active_screen = ERROR;
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} else if (active_screen != screen_before_error) {
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active_screen = screen_before_error;
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};
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status = STATUS_NEED_REFRESH;
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};
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/* refresh active screen's window */
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if (status == STATUS_NEED_REFRESH) {
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draw_screen(&screens[active_screen], &input);
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wrefresh(screens[active_screen].win);
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status = STATUS_WAITING;
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}
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};
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/* clean up */
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delwin(screens[active_screen].win); /* TODO: delete all windows in screens[] */
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nocbreak();
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endwin(); /* ends curses mode */
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curs_set(1);
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echo();
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return 0;
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}
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