Function get_string

src/intrfn.c:86–149

static int wgetch_nodelay(WINDOW *window);

int get_string(WINDOW *window, char *str, const int len, const char *def)
{
  int c;
  int i = 0;
  int x, y;
  int use_def = FALSE;
  curs_set(1);
  getyx(window, y, x);
  str[0] = 0;

  if (def != NULL) {
    mvwaddstr(window,y, x, def);
    wmove(window,y, x);
    use_def = TRUE;
  }

  wrefresh(window);
  while ((c = wgetch(window)) != '\n' && c != key_CR
#ifdef PADENTER
      && c!= PADENTER
#endif
      )
  {
    switch (c) {
      /* escape is generated by enter from keypad */
      /*
	 case key_ESC:
	 wmove(window,y, x);
	 wclrtoeol(window);
	 curs_set(0);
	 wrefresh(window);
	 return GS_key_ESCAPE;
	 */
      case KEY_DC:
      case KEY_BACKSPACE:
	if (i > 0) {
	  str[--i] = 0;
	  mvwaddch(window, y, x+i, ' ');
	  wmove(window,y, x+i);
	} else if (use_def) {
	  wclrtoeol(window);
	  use_def = FALSE;
	}
	break;
      default:
	if (i < len && isprint(c)) {
	  mvwaddch(window, y, x+i, c);
	  if (use_def) {
	    wclrtoeol(window);
	    use_def = FALSE;
	  }
	  str[i++] = c;
	  str[i] = 0;
	}
    }
    wrefresh(window);
  }
  curs_set(0);