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https://github.com/tmux/tmux.git
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c5689a5a40
of storing a full grid_cell with UTF-8 data and everything, store a new type grid_cell_entry. This can either be the cell itself (for ASCII cells), or an offset into an extended array (per line) for UTF-8 data. This avoid a large (8 byte) overhead on non-UTF-8 cells (by far the majority for most users) without the complexity of the shadow array we had before. Grid memory without any UTF-8 is about half. The disadvantage that cells can no longer be modified in place and need to be copied out of the grid and back but it turned out to be lot less complicated than I expected.
1373 lines
34 KiB
C
1373 lines
34 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/time.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "tmux.h"
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char *status_redraw_get_left(struct client *, time_t, struct grid_cell *,
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size_t *);
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char *status_redraw_get_right(struct client *, time_t, struct grid_cell *,
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size_t *);
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char *status_print(struct client *, struct winlink *, time_t,
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struct grid_cell *);
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char *status_replace(struct client *, struct winlink *, const char *, time_t);
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void status_message_callback(int, short, void *);
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void status_timer_callback(int, short, void *);
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const char *status_prompt_up_history(u_int *);
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const char *status_prompt_down_history(u_int *);
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void status_prompt_add_history(const char *);
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const char **status_prompt_complete_list(u_int *, const char *);
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char *status_prompt_complete_prefix(const char **, u_int);
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char *status_prompt_complete(struct session *, const char *);
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char *status_prompt_find_history_file(void);
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/* Status prompt history. */
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#define PROMPT_HISTORY 100
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char **status_prompt_hlist;
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u_int status_prompt_hsize;
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/* Find the history file to load/save from/to. */
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char *
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status_prompt_find_history_file(void)
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{
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const char *home, *history_file;
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char *path;
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history_file = options_get_string(global_options, "history-file");
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if (*history_file == '\0')
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return (NULL);
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if (*history_file == '/')
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return (xstrdup(history_file));
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if (history_file[0] != '~' || history_file[1] != '/')
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return (NULL);
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if ((home = find_home()) == NULL)
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return (NULL);
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xasprintf(&path, "%s%s", home, history_file + 1);
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return (path);
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}
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/* Load status prompt history from file. */
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void
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status_prompt_load_history(void)
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{
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FILE *f;
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char *history_file, *line, *tmp;
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size_t length;
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if ((history_file = status_prompt_find_history_file()) == NULL)
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return;
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log_debug("loading history from %s", history_file);
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f = fopen(history_file, "r");
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if (f == NULL) {
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log_debug("%s: %s", history_file, strerror(errno));
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free(history_file);
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return;
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}
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free(history_file);
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for (;;) {
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if ((line = fgetln(f, &length)) == NULL)
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break;
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if (length > 0) {
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if (line[length - 1] == '\n') {
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line[length - 1] = '\0';
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status_prompt_add_history(line);
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} else {
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tmp = xmalloc(length + 1);
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memcpy(tmp, line, length);
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tmp[length] = '\0';
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status_prompt_add_history(tmp);
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free(tmp);
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}
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}
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}
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fclose(f);
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}
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/* Save status prompt history to file. */
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void
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status_prompt_save_history(void)
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{
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FILE *f;
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u_int i;
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char *history_file;
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if ((history_file = status_prompt_find_history_file()) == NULL)
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return;
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log_debug("saving history to %s", history_file);
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f = fopen(history_file, "w");
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if (f == NULL) {
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log_debug("%s: %s", history_file, strerror(errno));
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free(history_file);
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return;
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}
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free(history_file);
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for (i = 0; i < status_prompt_hsize; i++) {
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fputs(status_prompt_hlist[i], f);
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fputc('\n', f);
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}
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fclose(f);
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}
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/* Status timer callback. */
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void
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status_timer_callback(unused int fd, unused short events, void *arg)
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{
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struct client *c = arg;
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struct session *s = c->session;
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struct timeval tv;
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evtimer_del(&c->status_timer);
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if (s == NULL)
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return;
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if (c->message_string == NULL && c->prompt_string == NULL)
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c->flags |= CLIENT_STATUS;
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timerclear(&tv);
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tv.tv_sec = options_get_number(s->options, "status-interval");
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if (tv.tv_sec != 0)
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evtimer_add(&c->status_timer, &tv);
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log_debug("client %p, status interval %d", c, (int)tv.tv_sec);
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}
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/* Start status timer for client. */
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void
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status_timer_start(struct client *c)
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{
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struct session *s = c->session;
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if (event_initialized(&c->status_timer))
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evtimer_del(&c->status_timer);
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else
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evtimer_set(&c->status_timer, status_timer_callback, c);
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if (s != NULL && options_get_number(s->options, "status"))
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status_timer_callback(-1, 0, c);
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}
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/* Start status timer for all clients. */
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void
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status_timer_start_all(void)
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{
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struct client *c;
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TAILQ_FOREACH(c, &clients, entry)
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status_timer_start(c);
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}
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/* Get screen line of status line. -1 means off. */
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int
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status_at_line(struct client *c)
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{
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struct session *s = c->session;
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if (!options_get_number(s->options, "status"))
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return (-1);
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if (options_get_number(s->options, "status-position") == 0)
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return (0);
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return (c->tty.sy - 1);
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}
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/* Retrieve options for left string. */
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char *
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status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
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size_t *size)
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{
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struct session *s = c->session;
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const char *template;
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char *left;
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size_t leftlen;
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style_apply_update(gc, s->options, "status-left-style");
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template = options_get_string(s->options, "status-left");
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left = status_replace(c, NULL, template, t);
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*size = options_get_number(s->options, "status-left-length");
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leftlen = screen_write_cstrlen("%s", left);
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if (leftlen < *size)
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*size = leftlen;
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return (left);
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}
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/* Retrieve options for right string. */
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char *
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status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
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size_t *size)
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{
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struct session *s = c->session;
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const char *template;
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char *right;
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size_t rightlen;
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style_apply_update(gc, s->options, "status-right-style");
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template = options_get_string(s->options, "status-right");
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right = status_replace(c, NULL, template, t);
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*size = options_get_number(s->options, "status-right-length");
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rightlen = screen_write_cstrlen("%s", right);
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if (rightlen < *size)
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*size = rightlen;
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return (right);
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}
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/* Get window at window list position. */
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struct window *
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status_get_window_at(struct client *c, u_int x)
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{
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struct session *s = c->session;
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struct winlink *wl;
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struct options *oo;
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size_t len;
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x += c->wlmouse;
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RB_FOREACH(wl, winlinks, &s->windows) {
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oo = wl->window->options;
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len = strlen(options_get_string(oo, "window-status-separator"));
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if (x < wl->status_width)
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return (wl->window);
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x -= wl->status_width + len;
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}
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return (NULL);
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}
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/* Draw status for client on the last lines of given context. */
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int
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status_redraw(struct client *c)
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{
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struct screen_write_ctx ctx;
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struct session *s = c->session;
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struct winlink *wl;
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struct screen old_status, window_list;
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struct grid_cell stdgc, lgc, rgc, gc;
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struct options *oo;
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time_t t;
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char *left, *right, *sep;
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u_int offset, needed;
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u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
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size_t llen, rlen, seplen;
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int larrow, rarrow;
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/* No status line? */
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if (c->tty.sy == 0 || !options_get_number(s->options, "status"))
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return (1);
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left = right = NULL;
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larrow = rarrow = 0;
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/* Store current time. */
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t = time(NULL);
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/* Set up default colour. */
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style_apply(&stdgc, s->options, "status-style");
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/* Create the target screen. */
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memcpy(&old_status, &c->status, sizeof old_status);
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screen_init(&c->status, c->tty.sx, 1, 0);
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screen_write_start(&ctx, NULL, &c->status);
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for (offset = 0; offset < c->tty.sx; offset++)
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screen_write_putc(&ctx, &stdgc, ' ');
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screen_write_stop(&ctx);
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/* If the height is one line, blank status line. */
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if (c->tty.sy <= 1)
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goto out;
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/* Work out left and right strings. */
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memcpy(&lgc, &stdgc, sizeof lgc);
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left = status_redraw_get_left(c, t, &lgc, &llen);
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memcpy(&rgc, &stdgc, sizeof rgc);
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right = status_redraw_get_right(c, t, &rgc, &rlen);
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/*
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* Figure out how much space we have for the window list. If there
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* isn't enough space, just show a blank status line.
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*/
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needed = 0;
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if (llen != 0)
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needed += llen;
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if (rlen != 0)
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needed += rlen;
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if (c->tty.sx == 0 || c->tty.sx <= needed)
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goto out;
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wlavailable = c->tty.sx - needed;
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/* Calculate the total size needed for the window list. */
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wlstart = wloffset = wlwidth = 0;
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RB_FOREACH(wl, winlinks, &s->windows) {
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free(wl->status_text);
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memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
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wl->status_text = status_print(c, wl, t, &wl->status_cell);
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wl->status_width = screen_write_cstrlen("%s", wl->status_text);
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if (wl == s->curw)
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wloffset = wlwidth;
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oo = wl->window->options;
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sep = options_get_string(oo, "window-status-separator");
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seplen = screen_write_strlen("%s", sep);
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wlwidth += wl->status_width + seplen;
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}
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/* Create a new screen for the window list. */
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screen_init(&window_list, wlwidth, 1, 0);
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/* And draw the window list into it. */
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screen_write_start(&ctx, NULL, &window_list);
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RB_FOREACH(wl, winlinks, &s->windows) {
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screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
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wl->status_text);
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oo = wl->window->options;
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sep = options_get_string(oo, "window-status-separator");
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screen_write_nputs(&ctx, -1, &stdgc, "%s", sep);
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}
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screen_write_stop(&ctx);
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/* If there is enough space for the total width, skip to draw now. */
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if (wlwidth <= wlavailable)
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goto draw;
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/* Find size of current window text. */
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wlsize = s->curw->status_width;
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/*
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* If the current window is already on screen, good to draw from the
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* start and just leave off the end.
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*/
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if (wloffset + wlsize < wlavailable) {
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if (wlavailable > 0) {
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rarrow = 1;
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wlavailable--;
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}
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wlwidth = wlavailable;
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} else {
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/*
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* Work out how many characters we need to omit from the
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* start. There are wlavailable characters to fill, and
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* wloffset + wlsize must be the last. So, the start character
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* is wloffset + wlsize - wlavailable.
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*/
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if (wlavailable > 0) {
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larrow = 1;
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wlavailable--;
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}
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wlstart = wloffset + wlsize - wlavailable;
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if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
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rarrow = 1;
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wlstart++;
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wlavailable--;
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}
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wlwidth = wlavailable;
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}
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/* Bail if anything is now too small too. */
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if (wlwidth == 0 || wlavailable == 0) {
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screen_free(&window_list);
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goto out;
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}
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/*
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* Now the start position is known, work out the state of the left and
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* right arrows.
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*/
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offset = 0;
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RB_FOREACH(wl, winlinks, &s->windows) {
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if (wl->flags & WINLINK_ALERTFLAGS &&
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larrow == 1 && offset < wlstart)
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larrow = -1;
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offset += wl->status_width;
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if (wl->flags & WINLINK_ALERTFLAGS &&
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rarrow == 1 && offset > wlstart + wlwidth)
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rarrow = -1;
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}
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draw:
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/* Begin drawing. */
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screen_write_start(&ctx, NULL, &c->status);
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/* Draw the left string and arrow. */
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screen_write_cursormove(&ctx, 0, 0);
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if (llen != 0)
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screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
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if (larrow != 0) {
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memcpy(&gc, &stdgc, sizeof gc);
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if (larrow == -1)
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gc.attr ^= GRID_ATTR_REVERSE;
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screen_write_putc(&ctx, &gc, '<');
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}
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/* Draw the right string and arrow. */
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if (rarrow != 0) {
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screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
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memcpy(&gc, &stdgc, sizeof gc);
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if (rarrow == -1)
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gc.attr ^= GRID_ATTR_REVERSE;
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screen_write_putc(&ctx, &gc, '>');
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} else
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screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
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if (rlen != 0)
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screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
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/* Figure out the offset for the window list. */
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if (llen != 0)
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wloffset = llen;
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else
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wloffset = 0;
|
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if (wlwidth < wlavailable) {
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switch (options_get_number(s->options, "status-justify")) {
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case 1: /* centred */
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wloffset += (wlavailable - wlwidth) / 2;
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break;
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case 2: /* right */
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wloffset += (wlavailable - wlwidth);
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break;
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}
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}
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if (larrow != 0)
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wloffset++;
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/* Copy the window list. */
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c->wlmouse = -wloffset + wlstart;
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screen_write_cursormove(&ctx, wloffset, 0);
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screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
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screen_free(&window_list);
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|
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screen_write_stop(&ctx);
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out:
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free(left);
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free(right);
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|
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if (grid_compare(c->status.grid, old_status.grid) == 0) {
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screen_free(&old_status);
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return (0);
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}
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screen_free(&old_status);
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return (1);
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}
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|
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/* Replace special sequences in fmt. */
|
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char *
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status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
|
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{
|
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struct format_tree *ft;
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char *expanded;
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|
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if (fmt == NULL)
|
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return (xstrdup(""));
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|
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if (c->flags & CLIENT_STATUSFORCE)
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ft = format_create_flags(FORMAT_STATUS|FORMAT_FORCE);
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else
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ft = format_create_flags(FORMAT_STATUS);
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format_defaults(ft, c, NULL, wl, NULL);
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|
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expanded = format_expand_time(ft, fmt, t);
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|
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format_free(ft);
|
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return (expanded);
|
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}
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|
|
/* Return winlink status line entry and adjust gc as necessary. */
|
|
char *
|
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status_print(struct client *c, struct winlink *wl, time_t t,
|
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struct grid_cell *gc)
|
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{
|
|
struct options *oo = wl->window->options;
|
|
struct session *s = c->session;
|
|
const char *fmt;
|
|
char *text;
|
|
|
|
style_apply_update(gc, oo, "window-status-style");
|
|
fmt = options_get_string(oo, "window-status-format");
|
|
if (wl == s->curw) {
|
|
style_apply_update(gc, oo, "window-status-current-style");
|
|
fmt = options_get_string(oo, "window-status-current-format");
|
|
}
|
|
if (wl == TAILQ_FIRST(&s->lastw))
|
|
style_apply_update(gc, oo, "window-status-last-style");
|
|
|
|
if (wl->flags & WINLINK_BELL)
|
|
style_apply_update(gc, oo, "window-status-bell-style");
|
|
else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
|
|
style_apply_update(gc, oo, "window-status-activity-style");
|
|
|
|
text = status_replace(c, wl, fmt, t);
|
|
return (text);
|
|
}
|
|
|
|
/* Set a status line message. */
|
|
void
|
|
status_message_set(struct client *c, const char *fmt, ...)
|
|
{
|
|
struct timeval tv;
|
|
struct message_entry *msg, *msg1;
|
|
va_list ap;
|
|
int delay;
|
|
u_int first, limit;
|
|
|
|
limit = options_get_number(global_options, "message-limit");
|
|
|
|
status_prompt_clear(c);
|
|
status_message_clear(c);
|
|
|
|
va_start(ap, fmt);
|
|
xvasprintf(&c->message_string, fmt, ap);
|
|
va_end(ap);
|
|
|
|
msg = xcalloc(1, sizeof *msg);
|
|
msg->msg_time = time(NULL);
|
|
msg->msg_num = c->message_next++;
|
|
msg->msg = xstrdup(c->message_string);
|
|
TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
|
|
|
|
first = c->message_next - limit;
|
|
TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
|
|
if (msg->msg_num >= first)
|
|
continue;
|
|
free(msg->msg);
|
|
TAILQ_REMOVE(&c->message_log, msg, entry);
|
|
free(msg);
|
|
}
|
|
|
|
delay = options_get_number(c->session->options, "display-time");
|
|
tv.tv_sec = delay / 1000;
|
|
tv.tv_usec = (delay % 1000) * 1000L;
|
|
|
|
if (event_initialized(&c->message_timer))
|
|
evtimer_del(&c->message_timer);
|
|
evtimer_set(&c->message_timer, status_message_callback, c);
|
|
evtimer_add(&c->message_timer, &tv);
|
|
|
|
c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
|
|
/* Clear status line message. */
|
|
void
|
|
status_message_clear(struct client *c)
|
|
{
|
|
if (c->message_string == NULL)
|
|
return;
|
|
|
|
free(c->message_string);
|
|
c->message_string = NULL;
|
|
|
|
c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
|
|
c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
|
|
|
|
screen_reinit(&c->status);
|
|
}
|
|
|
|
/* Clear status line message after timer expires. */
|
|
void
|
|
status_message_callback(unused int fd, unused short event, void *data)
|
|
{
|
|
struct client *c = data;
|
|
|
|
status_message_clear(c);
|
|
}
|
|
|
|
/* Draw client message on status line of present else on last line. */
|
|
int
|
|
status_message_redraw(struct client *c)
|
|
{
|
|
struct screen_write_ctx ctx;
|
|
struct session *s = c->session;
|
|
struct screen old_status;
|
|
size_t len;
|
|
struct grid_cell gc;
|
|
|
|
if (c->tty.sx == 0 || c->tty.sy == 0)
|
|
return (0);
|
|
memcpy(&old_status, &c->status, sizeof old_status);
|
|
screen_init(&c->status, c->tty.sx, 1, 0);
|
|
|
|
len = screen_write_strlen("%s", c->message_string);
|
|
if (len > c->tty.sx)
|
|
len = c->tty.sx;
|
|
|
|
style_apply(&gc, s->options, "message-style");
|
|
|
|
screen_write_start(&ctx, NULL, &c->status);
|
|
|
|
screen_write_cursormove(&ctx, 0, 0);
|
|
screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
|
|
for (; len < c->tty.sx; len++)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
|
|
screen_write_stop(&ctx);
|
|
|
|
if (grid_compare(c->status.grid, old_status.grid) == 0) {
|
|
screen_free(&old_status);
|
|
return (0);
|
|
}
|
|
screen_free(&old_status);
|
|
return (1);
|
|
}
|
|
|
|
/* Enable status line prompt. */
|
|
void
|
|
status_prompt_set(struct client *c, const char *msg, const char *input,
|
|
int (*callbackfn)(void *, const char *), void (*freefn)(void *),
|
|
void *data, int flags)
|
|
{
|
|
struct format_tree *ft;
|
|
int keys;
|
|
time_t t;
|
|
|
|
ft = format_create();
|
|
format_defaults(ft, c, NULL, NULL, NULL);
|
|
t = time(NULL);
|
|
|
|
status_message_clear(c);
|
|
status_prompt_clear(c);
|
|
|
|
c->prompt_string = format_expand_time(ft, msg, t);
|
|
|
|
c->prompt_buffer = format_expand_time(ft, input, t);
|
|
c->prompt_index = strlen(c->prompt_buffer);
|
|
|
|
c->prompt_callbackfn = callbackfn;
|
|
c->prompt_freefn = freefn;
|
|
c->prompt_data = data;
|
|
|
|
c->prompt_hindex = 0;
|
|
|
|
c->prompt_flags = flags;
|
|
|
|
keys = options_get_number(c->session->options, "status-keys");
|
|
if (keys == MODEKEY_EMACS)
|
|
mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
|
|
else
|
|
mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
|
|
|
|
c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
|
|
c->flags |= CLIENT_STATUS;
|
|
|
|
format_free(ft);
|
|
}
|
|
|
|
/* Remove status line prompt. */
|
|
void
|
|
status_prompt_clear(struct client *c)
|
|
{
|
|
if (c->prompt_string == NULL)
|
|
return;
|
|
|
|
if (c->prompt_freefn != NULL && c->prompt_data != NULL)
|
|
c->prompt_freefn(c->prompt_data);
|
|
|
|
free(c->prompt_string);
|
|
c->prompt_string = NULL;
|
|
|
|
free(c->prompt_buffer);
|
|
c->prompt_buffer = NULL;
|
|
|
|
c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
|
|
c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
|
|
|
|
screen_reinit(&c->status);
|
|
}
|
|
|
|
/* Update status line prompt with a new prompt string. */
|
|
void
|
|
status_prompt_update(struct client *c, const char *msg, const char *input)
|
|
{
|
|
struct format_tree *ft;
|
|
time_t t;
|
|
|
|
ft = format_create();
|
|
format_defaults(ft, c, NULL, NULL, NULL);
|
|
t = time(NULL);
|
|
|
|
free(c->prompt_string);
|
|
c->prompt_string = format_expand_time(ft, msg, t);
|
|
|
|
free(c->prompt_buffer);
|
|
c->prompt_buffer = format_expand_time(ft, input, t);
|
|
c->prompt_index = strlen(c->prompt_buffer);
|
|
|
|
c->prompt_hindex = 0;
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
|
|
format_free(ft);
|
|
}
|
|
|
|
/* Draw client prompt on status line of present else on last line. */
|
|
int
|
|
status_prompt_redraw(struct client *c)
|
|
{
|
|
struct screen_write_ctx ctx;
|
|
struct session *s = c->session;
|
|
struct screen old_status;
|
|
size_t i, size, left, len, off;
|
|
struct grid_cell gc;
|
|
|
|
if (c->tty.sx == 0 || c->tty.sy == 0)
|
|
return (0);
|
|
memcpy(&old_status, &c->status, sizeof old_status);
|
|
screen_init(&c->status, c->tty.sx, 1, 0);
|
|
|
|
len = screen_write_strlen("%s", c->prompt_string);
|
|
if (len > c->tty.sx)
|
|
len = c->tty.sx;
|
|
off = 0;
|
|
|
|
/* Change colours for command mode. */
|
|
if (c->prompt_mdata.mode == 1)
|
|
style_apply(&gc, s->options, "message-command-style");
|
|
else
|
|
style_apply(&gc, s->options, "message-style");
|
|
|
|
screen_write_start(&ctx, NULL, &c->status);
|
|
|
|
screen_write_cursormove(&ctx, 0, 0);
|
|
screen_write_nputs(&ctx, len, &gc, "%s", c->prompt_string);
|
|
|
|
left = c->tty.sx - len;
|
|
if (left != 0) {
|
|
size = screen_write_strlen("%s", c->prompt_buffer);
|
|
if (c->prompt_index >= left) {
|
|
off = c->prompt_index - left + 1;
|
|
if (c->prompt_index == size)
|
|
left--;
|
|
size = left;
|
|
}
|
|
screen_write_nputs(&ctx, left, &gc, "%s", c->prompt_buffer +
|
|
off);
|
|
|
|
for (i = len + size; i < c->tty.sx; i++)
|
|
screen_write_putc(&ctx, &gc, ' ');
|
|
}
|
|
|
|
screen_write_stop(&ctx);
|
|
|
|
/* Apply fake cursor. */
|
|
off = len + c->prompt_index - off;
|
|
grid_view_get_cell(c->status.grid, off, 0, &gc);
|
|
gc.attr ^= GRID_ATTR_REVERSE;
|
|
grid_view_set_cell(c->status.grid, off, 0, &gc);
|
|
|
|
if (grid_compare(c->status.grid, old_status.grid) == 0) {
|
|
screen_free(&old_status);
|
|
return (0);
|
|
}
|
|
screen_free(&old_status);
|
|
return (1);
|
|
}
|
|
|
|
/* Handle keys in prompt. */
|
|
void
|
|
status_prompt_key(struct client *c, key_code key)
|
|
{
|
|
struct session *sess = c->session;
|
|
struct options *oo = sess->options;
|
|
struct paste_buffer *pb;
|
|
char *s, *first, *last, word[64], swapc;
|
|
const char *histstr, *bufdata, *wsep = NULL;
|
|
u_char ch;
|
|
size_t size, n, off, idx, bufsize;
|
|
|
|
size = strlen(c->prompt_buffer);
|
|
switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
|
|
case MODEKEYEDIT_CURSORLEFT:
|
|
if (c->prompt_index > 0) {
|
|
c->prompt_index--;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_SWITCHMODE:
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_SWITCHMODEAPPEND:
|
|
c->flags |= CLIENT_STATUS;
|
|
/* FALLTHROUGH */
|
|
case MODEKEYEDIT_CURSORRIGHT:
|
|
if (c->prompt_index < size) {
|
|
c->prompt_index++;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_SWITCHMODEBEGINLINE:
|
|
c->flags |= CLIENT_STATUS;
|
|
/* FALLTHROUGH */
|
|
case MODEKEYEDIT_STARTOFLINE:
|
|
if (c->prompt_index != 0) {
|
|
c->prompt_index = 0;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
|
|
c->flags |= CLIENT_STATUS;
|
|
/* FALLTHROUGH */
|
|
case MODEKEYEDIT_ENDOFLINE:
|
|
if (c->prompt_index != size) {
|
|
c->prompt_index = size;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_COMPLETE:
|
|
if (*c->prompt_buffer == '\0')
|
|
break;
|
|
|
|
idx = c->prompt_index;
|
|
if (idx != 0)
|
|
idx--;
|
|
|
|
/* Find the word we are in. */
|
|
first = c->prompt_buffer + idx;
|
|
while (first > c->prompt_buffer && *first != ' ')
|
|
first--;
|
|
while (*first == ' ')
|
|
first++;
|
|
last = c->prompt_buffer + idx;
|
|
while (*last != '\0' && *last != ' ')
|
|
last++;
|
|
while (*last == ' ')
|
|
last--;
|
|
if (*last != '\0')
|
|
last++;
|
|
if (last <= first ||
|
|
((size_t) (last - first)) > (sizeof word) - 1)
|
|
break;
|
|
memcpy(word, first, last - first);
|
|
word[last - first] = '\0';
|
|
|
|
/* And try to complete it. */
|
|
if ((s = status_prompt_complete(sess, word)) == NULL)
|
|
break;
|
|
|
|
/* Trim out word. */
|
|
n = size - (last - c->prompt_buffer) + 1; /* with \0 */
|
|
memmove(first, last, n);
|
|
size -= last - first;
|
|
|
|
/* Insert the new word. */
|
|
size += strlen(s);
|
|
off = first - c->prompt_buffer;
|
|
c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
|
|
first = c->prompt_buffer + off;
|
|
memmove(first + strlen(s), first, n);
|
|
memcpy(first, s, strlen(s));
|
|
|
|
c->prompt_index = (first - c->prompt_buffer) + strlen(s);
|
|
free(s);
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_BACKSPACE:
|
|
if (c->prompt_index != 0) {
|
|
if (c->prompt_index == size)
|
|
c->prompt_buffer[--c->prompt_index] = '\0';
|
|
else {
|
|
memmove(c->prompt_buffer + c->prompt_index - 1,
|
|
c->prompt_buffer + c->prompt_index,
|
|
size + 1 - c->prompt_index);
|
|
c->prompt_index--;
|
|
}
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_DELETE:
|
|
case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
|
|
if (c->prompt_index != size) {
|
|
memmove(c->prompt_buffer + c->prompt_index,
|
|
c->prompt_buffer + c->prompt_index + 1,
|
|
size + 1 - c->prompt_index);
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_DELETELINE:
|
|
case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
|
|
*c->prompt_buffer = '\0';
|
|
c->prompt_index = 0;
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_DELETETOENDOFLINE:
|
|
case MODEKEYEDIT_SWITCHMODECHANGELINE:
|
|
if (c->prompt_index < size) {
|
|
c->prompt_buffer[c->prompt_index] = '\0';
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_DELETEWORD:
|
|
wsep = options_get_string(oo, "word-separators");
|
|
idx = c->prompt_index;
|
|
|
|
/* Find a non-separator. */
|
|
while (idx != 0) {
|
|
idx--;
|
|
if (!strchr(wsep, c->prompt_buffer[idx]))
|
|
break;
|
|
}
|
|
|
|
/* Find the separator at the beginning of the word. */
|
|
while (idx != 0) {
|
|
idx--;
|
|
if (strchr(wsep, c->prompt_buffer[idx])) {
|
|
/* Go back to the word. */
|
|
idx++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
memmove(c->prompt_buffer + idx,
|
|
c->prompt_buffer + c->prompt_index,
|
|
size + 1 - c->prompt_index);
|
|
memset(c->prompt_buffer + size - (c->prompt_index - idx),
|
|
'\0', c->prompt_index - idx);
|
|
c->prompt_index = idx;
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_NEXTSPACE:
|
|
wsep = " ";
|
|
/* FALLTHROUGH */
|
|
case MODEKEYEDIT_NEXTWORD:
|
|
if (wsep == NULL)
|
|
wsep = options_get_string(oo, "word-separators");
|
|
|
|
/* Find a separator. */
|
|
while (c->prompt_index != size) {
|
|
c->prompt_index++;
|
|
if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
|
|
break;
|
|
}
|
|
|
|
/* Find the word right after the separation. */
|
|
while (c->prompt_index != size) {
|
|
c->prompt_index++;
|
|
if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
|
|
break;
|
|
}
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_NEXTSPACEEND:
|
|
wsep = " ";
|
|
/* FALLTHROUGH */
|
|
case MODEKEYEDIT_NEXTWORDEND:
|
|
if (wsep == NULL)
|
|
wsep = options_get_string(oo, "word-separators");
|
|
|
|
/* Find a word. */
|
|
while (c->prompt_index != size) {
|
|
c->prompt_index++;
|
|
if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
|
|
break;
|
|
}
|
|
|
|
/* Find the separator at the end of the word. */
|
|
while (c->prompt_index != size) {
|
|
c->prompt_index++;
|
|
if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
|
|
break;
|
|
}
|
|
|
|
/* Back up to the end-of-word like vi. */
|
|
if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
|
|
c->prompt_index != 0)
|
|
c->prompt_index--;
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_PREVIOUSSPACE:
|
|
wsep = " ";
|
|
/* FALLTHROUGH */
|
|
case MODEKEYEDIT_PREVIOUSWORD:
|
|
if (wsep == NULL)
|
|
wsep = options_get_string(oo, "word-separators");
|
|
|
|
/* Find a non-separator. */
|
|
while (c->prompt_index != 0) {
|
|
c->prompt_index--;
|
|
if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
|
|
break;
|
|
}
|
|
|
|
/* Find the separator at the beginning of the word. */
|
|
while (c->prompt_index != 0) {
|
|
c->prompt_index--;
|
|
if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
|
|
/* Go back to the word. */
|
|
c->prompt_index++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_HISTORYUP:
|
|
histstr = status_prompt_up_history(&c->prompt_hindex);
|
|
if (histstr == NULL)
|
|
break;
|
|
free(c->prompt_buffer);
|
|
c->prompt_buffer = xstrdup(histstr);
|
|
c->prompt_index = strlen(c->prompt_buffer);
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_HISTORYDOWN:
|
|
histstr = status_prompt_down_history(&c->prompt_hindex);
|
|
if (histstr == NULL)
|
|
break;
|
|
free(c->prompt_buffer);
|
|
c->prompt_buffer = xstrdup(histstr);
|
|
c->prompt_index = strlen(c->prompt_buffer);
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_PASTE:
|
|
if ((pb = paste_get_top(NULL)) == NULL)
|
|
break;
|
|
bufdata = paste_buffer_data(pb, &bufsize);
|
|
for (n = 0; n < bufsize; n++) {
|
|
ch = (u_char)bufdata[n];
|
|
if (ch < 32 || ch == 127)
|
|
break;
|
|
}
|
|
|
|
c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
|
|
if (c->prompt_index == size) {
|
|
memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
|
|
c->prompt_index += n;
|
|
c->prompt_buffer[c->prompt_index] = '\0';
|
|
} else {
|
|
memmove(c->prompt_buffer + c->prompt_index + n,
|
|
c->prompt_buffer + c->prompt_index,
|
|
size + 1 - c->prompt_index);
|
|
memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
|
|
c->prompt_index += n;
|
|
}
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
case MODEKEYEDIT_TRANSPOSECHARS:
|
|
idx = c->prompt_index;
|
|
if (idx < size)
|
|
idx++;
|
|
if (idx >= 2) {
|
|
swapc = c->prompt_buffer[idx - 2];
|
|
c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
|
|
c->prompt_buffer[idx - 1] = swapc;
|
|
c->prompt_index = idx;
|
|
c->flags |= CLIENT_STATUS;
|
|
}
|
|
break;
|
|
case MODEKEYEDIT_ENTER:
|
|
if (*c->prompt_buffer != '\0')
|
|
status_prompt_add_history(c->prompt_buffer);
|
|
if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
|
|
status_prompt_clear(c);
|
|
break;
|
|
case MODEKEYEDIT_CANCEL:
|
|
if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
|
|
status_prompt_clear(c);
|
|
break;
|
|
case MODEKEY_OTHER:
|
|
if (key <= 0x1f || key >= 0x7f)
|
|
break;
|
|
c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
|
|
|
|
if (c->prompt_index == size) {
|
|
c->prompt_buffer[c->prompt_index++] = key;
|
|
c->prompt_buffer[c->prompt_index] = '\0';
|
|
} else {
|
|
memmove(c->prompt_buffer + c->prompt_index + 1,
|
|
c->prompt_buffer + c->prompt_index,
|
|
size + 1 - c->prompt_index);
|
|
c->prompt_buffer[c->prompt_index++] = key;
|
|
}
|
|
|
|
if (c->prompt_flags & PROMPT_SINGLE) {
|
|
if (c->prompt_callbackfn(
|
|
c->prompt_data, c->prompt_buffer) == 0)
|
|
status_prompt_clear(c);
|
|
}
|
|
|
|
c->flags |= CLIENT_STATUS;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Get previous line from the history. */
|
|
const char *
|
|
status_prompt_up_history(u_int *idx)
|
|
{
|
|
/*
|
|
* History runs from 0 to size - 1. Index is from 0 to size. Zero is
|
|
* empty.
|
|
*/
|
|
|
|
if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
|
|
return (NULL);
|
|
(*idx)++;
|
|
return (status_prompt_hlist[status_prompt_hsize - *idx]);
|
|
}
|
|
|
|
/* Get next line from the history. */
|
|
const char *
|
|
status_prompt_down_history(u_int *idx)
|
|
{
|
|
if (status_prompt_hsize == 0 || *idx == 0)
|
|
return ("");
|
|
(*idx)--;
|
|
if (*idx == 0)
|
|
return ("");
|
|
return (status_prompt_hlist[status_prompt_hsize - *idx]);
|
|
}
|
|
|
|
/* Add line to the history. */
|
|
void
|
|
status_prompt_add_history(const char *line)
|
|
{
|
|
size_t size;
|
|
|
|
if (status_prompt_hsize > 0 &&
|
|
strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
|
|
return;
|
|
|
|
if (status_prompt_hsize == PROMPT_HISTORY) {
|
|
free(status_prompt_hlist[0]);
|
|
|
|
size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
|
|
memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
|
|
|
|
status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
|
|
return;
|
|
}
|
|
|
|
status_prompt_hlist = xreallocarray(status_prompt_hlist,
|
|
status_prompt_hsize + 1, sizeof *status_prompt_hlist);
|
|
status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
|
|
}
|
|
|
|
/* Build completion list. */
|
|
const char **
|
|
status_prompt_complete_list(u_int *size, const char *s)
|
|
{
|
|
const char **list = NULL, **layout;
|
|
const struct cmd_entry **cmdent;
|
|
const struct options_table_entry *oe;
|
|
const char *layouts[] = {
|
|
"even-horizontal", "even-vertical", "main-horizontal",
|
|
"main-vertical", "tiled", NULL
|
|
};
|
|
|
|
*size = 0;
|
|
for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
|
|
if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
|
|
list = xreallocarray(list, (*size) + 1, sizeof *list);
|
|
list[(*size)++] = (*cmdent)->name;
|
|
}
|
|
}
|
|
for (oe = server_options_table; oe->name != NULL; oe++) {
|
|
if (strncmp(oe->name, s, strlen(s)) == 0) {
|
|
list = xreallocarray(list, (*size) + 1, sizeof *list);
|
|
list[(*size)++] = oe->name;
|
|
}
|
|
}
|
|
for (oe = session_options_table; oe->name != NULL; oe++) {
|
|
if (strncmp(oe->name, s, strlen(s)) == 0) {
|
|
list = xreallocarray(list, (*size) + 1, sizeof *list);
|
|
list[(*size)++] = oe->name;
|
|
}
|
|
}
|
|
for (oe = window_options_table; oe->name != NULL; oe++) {
|
|
if (strncmp(oe->name, s, strlen(s)) == 0) {
|
|
list = xreallocarray(list, (*size) + 1, sizeof *list);
|
|
list[(*size)++] = oe->name;
|
|
}
|
|
}
|
|
for (layout = layouts; *layout != NULL; layout++) {
|
|
if (strncmp(*layout, s, strlen(s)) == 0) {
|
|
list = xreallocarray(list, (*size) + 1, sizeof *list);
|
|
list[(*size)++] = *layout;
|
|
}
|
|
}
|
|
return (list);
|
|
}
|
|
|
|
/* Find longest prefix. */
|
|
char *
|
|
status_prompt_complete_prefix(const char **list, u_int size)
|
|
{
|
|
char *out;
|
|
u_int i;
|
|
size_t j;
|
|
|
|
out = xstrdup(list[0]);
|
|
for (i = 1; i < size; i++) {
|
|
j = strlen(list[i]);
|
|
if (j > strlen(out))
|
|
j = strlen(out);
|
|
for (; j > 0; j--) {
|
|
if (out[j - 1] != list[i][j - 1])
|
|
out[j - 1] = '\0';
|
|
}
|
|
}
|
|
return (out);
|
|
}
|
|
|
|
/* Complete word. */
|
|
char *
|
|
status_prompt_complete(struct session *sess, const char *s)
|
|
{
|
|
const char **list = NULL, *colon;
|
|
u_int size = 0, i;
|
|
struct session *s_loop;
|
|
struct winlink *wl;
|
|
struct window *w;
|
|
char *copy, *out, *tmp;
|
|
|
|
if (*s == '\0')
|
|
return (NULL);
|
|
out = NULL;
|
|
|
|
if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
|
|
list = status_prompt_complete_list(&size, s);
|
|
if (size == 0)
|
|
out = NULL;
|
|
else if (size == 1)
|
|
xasprintf(&out, "%s ", list[0]);
|
|
else
|
|
out = status_prompt_complete_prefix(list, size);
|
|
free(list);
|
|
return (out);
|
|
}
|
|
copy = xstrdup(s);
|
|
|
|
colon = ":";
|
|
if (copy[strlen(copy) - 1] == ':')
|
|
copy[strlen(copy) - 1] = '\0';
|
|
else
|
|
colon = "";
|
|
s = copy + 2;
|
|
|
|
RB_FOREACH(s_loop, sessions, &sessions) {
|
|
if (strncmp(s_loop->name, s, strlen(s)) == 0) {
|
|
list = xreallocarray(list, size + 2, sizeof *list);
|
|
list[size++] = s_loop->name;
|
|
}
|
|
}
|
|
if (size == 1) {
|
|
out = xstrdup(list[0]);
|
|
if (session_find(list[0]) != NULL)
|
|
colon = ":";
|
|
} else if (size != 0)
|
|
out = status_prompt_complete_prefix(list, size);
|
|
if (out != NULL) {
|
|
xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
|
|
out = tmp;
|
|
goto found;
|
|
}
|
|
|
|
colon = "";
|
|
if (*s == ':') {
|
|
RB_FOREACH(wl, winlinks, &sess->windows) {
|
|
xasprintf(&tmp, ":%s", wl->window->name);
|
|
if (strncmp(tmp, s, strlen(s)) == 0){
|
|
list = xreallocarray(list, size + 1,
|
|
sizeof *list);
|
|
list[size++] = tmp;
|
|
continue;
|
|
}
|
|
free(tmp);
|
|
|
|
xasprintf(&tmp, ":%d", wl->idx);
|
|
if (strncmp(tmp, s, strlen(s)) == 0) {
|
|
list = xreallocarray(list, size + 1,
|
|
sizeof *list);
|
|
list[size++] = tmp;
|
|
continue;
|
|
}
|
|
free(tmp);
|
|
}
|
|
} else {
|
|
RB_FOREACH(s_loop, sessions, &sessions) {
|
|
RB_FOREACH(wl, winlinks, &s_loop->windows) {
|
|
w = wl->window;
|
|
|
|
xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
|
|
if (strncmp(tmp, s, strlen(s)) == 0) {
|
|
list = xreallocarray(list, size + 1,
|
|
sizeof *list);
|
|
list[size++] = tmp;
|
|
continue;
|
|
}
|
|
free(tmp);
|
|
|
|
xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
|
|
if (strncmp(tmp, s, strlen(s)) == 0) {
|
|
list = xreallocarray(list, size + 1,
|
|
sizeof *list);
|
|
list[size++] = tmp;
|
|
continue;
|
|
}
|
|
free(tmp);
|
|
}
|
|
}
|
|
}
|
|
if (size == 1) {
|
|
out = xstrdup(list[0]);
|
|
colon = " ";
|
|
} else if (size != 0)
|
|
out = status_prompt_complete_prefix(list, size);
|
|
if (out != NULL) {
|
|
xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
|
|
out = tmp;
|
|
}
|
|
|
|
for (i = 0; i < size; i++)
|
|
free((void *)list[i]);
|
|
|
|
found:
|
|
free(copy);
|
|
free(list);
|
|
return (out);
|
|
}
|