path: root/status.c

/* $OpenBSD$ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>
#include <sys/time.h>

#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>

#include "tmux.h"

char   *status_redraw_get_left(
	    struct client *, time_t, int, struct grid_cell *, size_t *);
char   *status_redraw_get_right(
	    struct client *, time_t, int, struct grid_cell *, size_t *);
char   *status_find_job(struct client *, char **);
void	status_job_free(void *);
void	status_job_callback(struct job *);
char   *status_print(
	    struct client *, struct winlink *, time_t, struct grid_cell *);
void	status_replace1(struct client *, struct session *, struct winlink *,
	    struct window_pane *, char **, char **, char *, size_t, int);
void	status_message_callback(int, short, void *);

const char *status_prompt_up_history(u_int *);
const char *status_prompt_down_history(u_int *);
void	status_prompt_add_history(const char *);
char   *status_prompt_complete(const char *);

/* Status prompt history. */
ARRAY_DECL(, char *) status_prompt_history = ARRAY_INITIALIZER;

/* Status output tree. */
RB_GENERATE(status_out_tree, status_out, entry, status_out_cmp);

/* Output tree comparison function. */
int
status_out_cmp(struct status_out *so1, struct status_out *so2)
{
	return (strcmp(so1->cmd, so2->cmd));
}

/* Retrieve options for left string. */
char *
status_redraw_get_left(struct client *c,
    time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
{
	struct session	*s = c->session;
	char		*left;
	u_char		 fg, bg, attr;
	size_t		 leftlen;

	fg = options_get_number(&s->options, "status-left-fg");
	if (fg != 8)
		colour_set_fg(gc, fg);
	bg = options_get_number(&s->options, "status-left-bg");
	if (bg != 8)
		colour_set_bg(gc, bg);
	attr = options_get_number(&s->options, "status-left-attr");
	if (attr != 0)
		gc->attr = attr;

	left = status_replace(c, NULL,
	    NULL, NULL, options_get_string(&s->options, "status-left"), t, 1);

	*size = options_get_number(&s->options, "status-left-length");
	leftlen = screen_write_cstrlen(utf8flag, "%s", left);
	if (leftlen < *size)
		*size = leftlen;
	return (left);
}

/* Retrieve options for right string. */
char *
status_redraw_get_right(struct client *c,
    time_t t, int utf8flag, struct grid_cell *gc, size_t *size)
{
	struct session	*s = c->session;
	char		*right;
	u_char		 fg, bg, attr;
	size_t		 rightlen;

	fg = options_get_number(&s->options, "status-right-fg");
	if (fg != 8)
		colour_set_fg(gc, fg);
	bg = options_get_number(&s->options, "status-right-bg");
	if (bg != 8)
		colour_set_bg(gc, bg);
	attr = options_get_number(&s->options, "status-right-attr");
	if (attr != 0)
		gc->attr = attr;

	right = status_replace(c, NULL,
	    NULL, NULL, options_get_string(&s->options, "status-right"), t, 1);

	*size = options_get_number(&s->options, "status-right-length");
	rightlen = screen_write_cstrlen(utf8flag, "%s", right);
	if (rightlen < *size)
		*size = rightlen;
	return (right);
}

/* Set window at window list position. */
void
status_set_window_at(struct client *c, u_int x)
{
	struct session	*s = c->session;
	struct winlink	*wl;

	x += s->wlmouse;
	RB_FOREACH(wl, winlinks, &s->windows) {
		if (x < wl->status_width &&
			session_select(s, wl->idx) == 0) {
			server_redraw_session(s);
		}
		x -= wl->status_width + 1;
	}
}

/* Draw status for client on the last lines of given context. */
int
status_redraw(struct client *c)
{
	struct screen_write_ctx	ctx;
	struct session	       *s = c->session;
	struct winlink	       *wl