Пример #1
0
/*
 * cl_rename --
 *	Rename the file.
 *
 * PUBLIC: int cl_rename __P((SCR *, char *, int));
 */
int
cl_rename(SCR *sp, char *name, int on)
{
	CL_PRIVATE *clp;
	FILE *pfp;
	GS *gp;
	char buf[256], *p;

	gp = sp->gp;
	clp = CLP(sp);

	if (on) {
		clp->focus = sp;
		if (!F_ISSET(clp, CL_RENAME_OK))
			return (0);

		/*
		 * XXX
		 * We can only rename windows for xterm.
		 */
		if (strncmp(OG_STR(gp, GO_TERM), "xterm", sizeof("xterm") - 1))
			return (0);

		/*
		 * XXX
		 * Try and figure out the current name of this window.  There
		 * are two forms of the xwininfo output I've seen:
		 *
		 * Window id: 0x400000d "name"
		 * Window id: 0x140000d (name)
		 */
#define	COMMAND \
	"expr \"`xwininfo -id $WINDOWID | grep id:`\" : '.* [\"(]\\(.*\\)[\")]'"

		if (clp->oname == NULL &&
		    (pfp = popen(COMMAND, "r")) != NULL) {
			if (fgets(buf, sizeof(buf), pfp) != NULL &&
			    (p = strchr(buf, '\n')) != NULL) {
				*p = '\0';
				clp->oname = strdup(buf);
			}
			(void)fclose(pfp);
		}

		cl_setname(gp, name);

		F_SET(clp, CL_RENAME);
	} else
		if (F_ISSET(clp, CL_RENAME)) {
			cl_setname(gp, clp->oname);

			F_CLR(clp, CL_RENAME);
		}
	return (0);
}
Пример #2
0
/*
 * main --
 *	This is the main loop for the standalone curses editor.
 */
int
main(int argc, char **argv)
{
	static int reenter;
	CL_PRIVATE *clp;
	GS *gp;
	WIN *wp;
	size_t rows, cols;
	int rval;
	char **p_av, **t_av;
	const char *ttype;

	/* If loaded at 0 and jumping through a NULL pointer, stop. */
	if (reenter++)
		abort();

	/* Create and initialize the global structure. */
	__global_list = gp = gs_init(argv[0]);

	/*
	 * Strip out any arguments that vi isn't going to understand.  There's
	 * no way to portably call getopt twice, so arguments parsed here must
	 * be removed from the argument list.
	 */
	for (p_av = t_av = argv;;) {
		if (*t_av == NULL) {
			*p_av = NULL;
			break;
		}
		if (!strcmp(*t_av, "--")) {
			while ((*p_av++ = *t_av++) != NULL);
			break;
		}
		*p_av++ = *t_av++;
	}

	/* Create new window */
	wp = gs_new_win(gp);
		
	/* Create and initialize the CL_PRIVATE structure. */
	clp = cl_init(wp);

	/*
	 * Initialize the terminal information.
	 *
	 * We have to know what terminal it is from the start, since we may
	 * have to use termcap/terminfo to find out how big the screen is.
	 */
	if ((ttype = getenv("TERM")) == NULL) {
		if (isatty(STDIN_FILENO))
			fprintf(stderr, "%s: warning: TERM is not set\n",
			    gp->progname);
		ttype = "unknown";
	}
	term_init(gp->progname, ttype);

	/* Add the terminal type to the global structure. */
	if ((OG_D_STR(gp, GO_TERM) =
	    OG_STR(gp, GO_TERM) = strdup(ttype)) == NULL)
		perr(gp->progname, NULL);

	/* Figure out how big the screen is. */
	if (cl_ssize(NULL, 0, &rows, &cols, NULL))
		exit (1);

	/* Add the rows and columns to the global structure. */
	OG_VAL(gp, GO_LINES) = OG_D_VAL(gp, GO_LINES) = rows;
	OG_VAL(gp, GO_COLUMNS) = OG_D_VAL(gp, GO_COLUMNS) = cols;

	/* Ex wants stdout to be buffered. */
	(void)setvbuf(stdout, NULL, _IOFBF, 0);

	/* Start catching signals. */
	if (sig_init(gp, NULL))
		exit (1);

	/* Run ex/vi. */
	rval = editor(wp, argc, argv);

	/* Clean out the global structure. */
	gs_end(gp);

	/* Clean up signals. */
	sig_end(gp);

	/* Clean up the terminal. */
	(void)cl_quit(gp);

	/*
	 * XXX
	 * Reset the O_MESG option.
	 */
	if (clp->tgw != TGW_UNKNOWN)
		(void)cl_omesg(NULL, clp, clp->tgw == TGW_SET);

	/*
	 * XXX
	 * Reset the X11 xterm icon/window name.
	 */
	if (F_ISSET(clp, CL_RENAME))
		cl_setname(gp, clp->oname);

	/* If a killer signal arrived, pretend we just got it. */
	if (clp->killersig) {
		(void)signal(clp->killersig, SIG_DFL);
		(void)kill(getpid(), clp->killersig);
		/* NOTREACHED */
	}

	/* Free the global and CL private areas. */
#if defined(DEBUG) || defined(PURIFY) || defined(LIBRARY)
	cl_end(clp);
	free(gp);
#endif

	exit (rval);
}