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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65
bbs.c
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@@ -1,14 +1,17 @@
#include <curses.h>
#include <string.h>
#include <locale.h>
int terminal_width;
int terminal_height;
const unsigned int GETCH_TIMEOUT = 10; /* in ms */
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];
enum Status {
WAITING,
NEED_REFRESH
STATUS_QUIT,
STATUS_WAITING,
STATUS_NEED_REFRESH
};
enum ActiveScreen {
@@ -19,11 +22,11 @@ enum ActiveScreen {
struct Screen {
char name[20];
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) {
char* banner = ""
static void draw_home(struct Screen *screen, char *input) {
static char* banner = ""
" _ _ _ \n"
" | | | | | | \n"
" __ _ _ __ ___ | |__ ___ _ __ ___ _ __ | | __ _ ___ ___ _ __ ___| |_ \n"
@@ -35,17 +38,19 @@ void draw_home(struct Screen *screen) {
mvwprintw(screen->win, 1, 2, "Thank you for visiting:");
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);
}
void draw_screen (struct Screen *screen) {
screen->draw_screen(screen);
static void draw_screen (struct Screen *screen, char *input) {
screen->draw_screen(screen, input);
box(screen->win, 0, 0);
// wattron(screen->win, A_STANDOUT);
mvwprintw(screen->win, 0, 1, " %s ", screen->name);
// wattroff(screen->win, A_STANDOUT);
}
int main() {
@@ -53,16 +58,19 @@ int main() {
initscr(); /* start ncurses */
noecho(); /* hide keyboard input */
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;
int start_x = 0;
int old_terminal_width = 0;
int old_terminal_height = 0;
unsigned int start_y = 0;
unsigned int start_x = 0;
unsigned int terminal_width;
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 = ' ';
strcpy(errorMessage, "");
@@ -86,9 +94,14 @@ int main() {
screens[ERROR] = error;
/* main event loop */
while (input != 'q') {
while (status != STATUS_QUIT) {
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);
@@ -110,21 +123,21 @@ int main() {
} else if (active_screen != screen_before_error) {
active_screen = screen_before_error;
};
status = NEED_REFRESH;
status = STATUS_NEED_REFRESH;
};
/* refresh active screen's window */
if (status == NEED_REFRESH) {
draw_screen(&screens[active_screen]);
if (status == STATUS_NEED_REFRESH) {
draw_screen(&screens[active_screen], &input);
wrefresh(screens[active_screen].win);
status = WAITING;
status = STATUS_WAITING;
}
};
/* clean up */
delwin(screens[active_screen].win);
nocbreak(); /* cbreak is the not needing to press enter on input, gets set in initscr, not undoing it causes
printing errors after exit as this is a setting of the terminal itself */
nocbreak();
endwin(); /* ends curses mode */
curs_set(1);
echo();