amberisvibin/bbs
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refactoring

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Amber
2025-07-15 21:18:21 -04:00
parent 2fbefc544d
commit 77829db002
1 changed files with 42 additions and 29 deletions
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71
bbs.c
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@@ -1,14 +1,17 @@
#include <curses.h> #include <curses.h>
#include <string.h> #include <string.h>
#include <locale.h>
int terminal_width; const unsigned int GETCH_TIMEOUT = 10; /* in ms */
int terminal_height; const unsigned int MAX_SCREENS = 2; /* size of screens array */
const char* LOCALE = "en_US.UTF-8"; /* enable unicode support, set to "ANSI_X3.4-1968" for ascii */
char errorMessage[60]; char errorMessage[60];
enum Status { enum Status {
WAITING, STATUS_QUIT,
NEED_REFRESH STATUS_WAITING,
STATUS_NEED_REFRESH
}; };
enum ActiveScreen { enum ActiveScreen {
@@ -19,11 +22,11 @@ enum ActiveScreen {
struct Screen { struct Screen {
char name[20]; char name[20];
WINDOW *win; WINDOW *win;
void (*draw_screen)(struct Screen *); void (*draw_screen)(struct Screen *, char *input); /* this is run about every 10ms */
}; };
void draw_home(struct Screen *screen) { static void draw_home(struct Screen *screen, char *input) {
char* banner = "" static char* banner = ""
" _ _ _ \n" " _ _ _ \n"
" | | | | | | \n" " | | | | | | \n"
" __ _ _ __ ___ | |__ ___ _ __ ___ _ __ | | __ _ ___ ___ _ __ ___| |_ \n" " __ _ _ __ ___ | |__ ___ _ __ ___ _ __ | | __ _ ___ ___ _ __ ___| |_ \n"
@@ -35,34 +38,39 @@ void draw_home(struct Screen *screen) {
mvwprintw(screen->win, 1, 2, "Thank you for visiting:"); mvwprintw(screen->win, 1, 2, "Thank you for visiting:");
mvwprintw(screen->win, 2, 1, "%s", banner); mvwprintw(screen->win, 2, 1, "%s", banner);
mvwprintw(screen->win, 10, 1, "Your current input is: %s", input);
} }
void draw_error(struct Screen *screen) { static void draw_error(struct Screen *screen, __attribute__((unused)) char *input) {
mvwprintw(screen->win, 1, 2, "%s", errorMessage); mvwprintw(screen->win, 1, 2, "%s", errorMessage);
} }
void draw_screen (struct Screen *screen) { static void draw_screen (struct Screen *screen, char *input) {
screen->draw_screen(screen); screen->draw_screen(screen, input);
box(screen->win, 0, 0); box(screen->win, 0, 0);
// wattron(screen->win, A_STANDOUT);
mvwprintw(screen->win, 0, 1, " %s ", screen->name); mvwprintw(screen->win, 0, 1, " %s ", screen->name);
// wattroff(screen->win, A_STANDOUT);
} }
int main() { int main() {
initscr(); /* start ncurses */ initscr(); /* start ncurses */
noecho(); /* hide keyboard input */ noecho(); /* hide keyboard input */
curs_set(0); /* disable cursor */ curs_set(0); /* disable cursor */
timeout(10); /* set timeout for getch() to 10ms */ timeout(GETCH_TIMEOUT); /* set timeout for getch() */
setlocale(LC_CTYPE, LOCALE); /* set locale, UTF8 support is enabled here */
int start_y = 0; unsigned int start_y = 0;
int start_x = 0; unsigned int start_x = 0;
int old_terminal_width = 0; unsigned int terminal_width;
int old_terminal_height = 0; unsigned int terminal_height;
unsigned int old_terminal_width = 0;
unsigned int old_terminal_height = 0;
struct Screen screens[5]; struct Screen screens[MAX_SCREENS];
enum Status status = NEED_REFRESH; /* refresh screens[active_screen].window on first loop */ enum Status status = STATUS_NEED_REFRESH; /* refresh screens[active_screen].window on first loop */
char input = ' '; char input = ' ';
strcpy(errorMessage, ""); strcpy(errorMessage, "");
@@ -86,9 +94,14 @@ int main() {
screens[ERROR] = error; screens[ERROR] = error;
/* main event loop */ /* main event loop */
while (input != 'q') { while (status != STATUS_QUIT) {
if ((input = getch())) { /* if any input was read */ if ((input = getch())) { /* if any input was read */
status = NEED_REFRESH; /* TODO: factor out input to another function */
if (input == 'q') {
status = STATUS_QUIT;
} else {
status = STATUS_NEED_REFRESH;
};
}; };
getmaxyx(stdscr, terminal_height, terminal_width); getmaxyx(stdscr, terminal_height, terminal_width);
@@ -110,21 +123,21 @@ int main() {
} else if (active_screen != screen_before_error) { } else if (active_screen != screen_before_error) {
active_screen = screen_before_error; active_screen = screen_before_error;
}; };
status = NEED_REFRESH; status = STATUS_NEED_REFRESH;
}; };
/* refresh active screen's window */ /* refresh active screen's window */
if (status == NEED_REFRESH) { if (status == STATUS_NEED_REFRESH) {
draw_screen(&screens[active_screen]); draw_screen(&screens[active_screen], &input);
wrefresh(screens[active_screen].win); wrefresh(screens[active_screen].win);
status = WAITING; status = STATUS_WAITING;
} }
}; };
/* clean up */
delwin(screens[active_screen].win); delwin(screens[active_screen].win);
nocbreak(); /* cbreak is the not needing to press enter on input, gets set in initscr, not undoing it causes nocbreak();
printing errors after exit as this is a setting of the terminal itself */
endwin(); /* ends curses mode */ endwin(); /* ends curses mode */
curs_set(1); curs_set(1);
echo(); echo();