mirror of
https://github.com/tmux/tmux.git
synced 2024-12-13 10:08:47 +00:00
1258 lines
30 KiB
C
1258 lines
30 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2015 Nicholas Marriott <nicholas.marriott@gmail.com>
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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 <fnmatch.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "tmux.h"
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struct session *cmd_find_try_TMUX(struct client *, struct window *);
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int cmd_find_client_better(struct client *, struct client *);
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struct client *cmd_find_best_client(struct client **, u_int);
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int cmd_find_session_better(struct session *, struct session *,
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int);
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struct session *cmd_find_best_session(struct session **, u_int, int);
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int cmd_find_best_session_with_window(struct cmd_find_state *);
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int cmd_find_best_winlink_with_window(struct cmd_find_state *);
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int cmd_find_current_session_with_client(struct cmd_find_state *);
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int cmd_find_current_session(struct cmd_find_state *);
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struct client *cmd_find_current_client(struct cmd_q *);
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const char *cmd_find_map_table(const char *[][2], const char *);
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int cmd_find_get_session(struct cmd_find_state *, const char *);
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int cmd_find_get_window(struct cmd_find_state *, const char *);
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int cmd_find_get_window_with_session(struct cmd_find_state *, const char *);
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int cmd_find_get_window_with_pane(struct cmd_find_state *);
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int cmd_find_get_pane(struct cmd_find_state *, const char *);
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int cmd_find_get_pane_with_session(struct cmd_find_state *, const char *);
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int cmd_find_get_pane_with_window(struct cmd_find_state *, const char *);
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const char *cmd_find_session_table[][2] = {
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{ NULL, NULL }
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};
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const char *cmd_find_window_table[][2] = {
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{ "{start}", "^" },
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{ "{last}", "!" },
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{ "{end}", "$" },
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{ "{next}", "+" },
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{ "{previous}", "-" },
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{ NULL, NULL }
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};
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const char *cmd_find_pane_table[][2] = {
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{ "{last}", "!" },
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{ "{next}", "+" },
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{ "{previous}", "-" },
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{ "{top}", "top" },
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{ "{bottom}", "bottom" },
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{ "{left}", "left" },
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{ "{right}", "right" },
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{ "{top-left}", "top-left" },
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{ "{top-right}", "top-right" },
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{ "{bottom-left}", "bottom-left" },
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{ "{bottom-right}", "bottom-right" },
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{ "{up-of}", "{up-of}" },
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{ "{down-of}", "{down-of}" },
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{ "{left-of}", "{left-of}" },
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{ "{right-of}", "{right-of}" },
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{ NULL, NULL }
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};
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/* Get session from TMUX if present. */
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struct session *
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cmd_find_try_TMUX(struct client *c, struct window *w)
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{
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struct environ_entry *envent;
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char tmp[256];
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long long pid;
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u_int session;
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struct session *s;
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envent = environ_find(c->environ, "TMUX");
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if (envent == NULL)
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return (NULL);
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if (sscanf(envent->value, "%255[^,],%lld,%d", tmp, &pid, &session) != 3)
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return (NULL);
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if (pid != getpid())
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return (NULL);
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log_debug("client %p TMUX is %s (session @%u)", c, envent->value,
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session);
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s = session_find_by_id(session);
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if (s == NULL || (w != NULL && !session_has(s, w)))
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return (NULL);
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return (s);
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}
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/* Is this client better? */
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int
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cmd_find_client_better(struct client *c, struct client *than)
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{
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if (than == NULL)
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return (1);
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return (timercmp(&c->activity_time, &than->activity_time, >));
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}
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/* Find best client from a list, or all if list is NULL. */
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struct client *
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cmd_find_best_client(struct client **clist, u_int csize)
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{
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struct client *c_loop, *c;
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u_int i;
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c = NULL;
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if (clist != NULL) {
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for (i = 0; i < csize; i++) {
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if (clist[i]->session == NULL)
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continue;
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if (cmd_find_client_better(clist[i], c))
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c = clist[i];
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}
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} else {
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TAILQ_FOREACH(c_loop, &clients, entry) {
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if (c_loop->session == NULL)
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continue;
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if (cmd_find_client_better(c_loop, c))
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c = c_loop;
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}
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}
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return (c);
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}
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/* Is this session better? */
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int
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cmd_find_session_better(struct session *s, struct session *than, int flags)
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{
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int attached;
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if (than == NULL)
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return (1);
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if (flags & CMD_FIND_PREFER_UNATTACHED) {
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attached = (~than->flags & SESSION_UNATTACHED);
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if (attached && (s->flags & SESSION_UNATTACHED))
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return (1);
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else if (!attached && (~s->flags & SESSION_UNATTACHED))
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return (0);
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}
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return (timercmp(&s->activity_time, &than->activity_time, >));
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}
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/* Find best session from a list, or all if list is NULL. */
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struct session *
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cmd_find_best_session(struct session **slist, u_int ssize, int flags)
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{
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struct session *s_loop, *s;
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u_int i;
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s = NULL;
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if (slist != NULL) {
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for (i = 0; i < ssize; i++) {
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if (cmd_find_session_better(slist[i], s, flags))
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s = slist[i];
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}
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} else {
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RB_FOREACH(s_loop, sessions, &sessions) {
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if (cmd_find_session_better(s_loop, s, flags))
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s = s_loop;
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}
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}
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return (s);
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}
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/* Find best session and winlink for window. */
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int
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cmd_find_best_session_with_window(struct cmd_find_state *fs)
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{
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struct session **slist = NULL;
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u_int ssize;
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struct session *s;
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if (fs->cmdq != NULL && fs->cmdq->client != NULL) {
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fs->s = cmd_find_try_TMUX(fs->cmdq->client, fs->w);
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if (fs->s != NULL)
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return (cmd_find_best_winlink_with_window(fs));
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}
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ssize = 0;
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RB_FOREACH(s, sessions, &sessions) {
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if (!session_has(s, fs->w))
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continue;
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slist = xreallocarray(slist, ssize + 1, sizeof *slist);
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slist[ssize++] = s;
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}
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if (ssize == 0)
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goto fail;
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fs->s = cmd_find_best_session(slist, ssize, fs->flags);
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if (fs->s == NULL)
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goto fail;
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free(slist);
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return (cmd_find_best_winlink_with_window(fs));
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fail:
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free(slist);
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return (-1);
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}
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/*
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* Find the best winlink for a window (the current if it contains the pane,
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* otherwise the first).
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*/
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int
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cmd_find_best_winlink_with_window(struct cmd_find_state *fs)
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{
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struct winlink *wl, *wl_loop;
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wl = NULL;
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if (fs->s->curw->window == fs->w)
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wl = fs->s->curw;
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else {
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RB_FOREACH(wl_loop, winlinks, &fs->s->windows) {
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if (wl_loop->window == fs->w) {
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wl = wl_loop;
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break;
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}
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}
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}
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if (wl == NULL)
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return (-1);
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fs->wl = wl;
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fs->idx = fs->wl->idx;
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return (0);
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}
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/* Find current session when we have an unattached client. */
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int
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cmd_find_current_session_with_client(struct cmd_find_state *fs)
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{
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struct window_pane *wp;
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/*
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* If this is running in a pane, we can use that to limit the list of
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* sessions to those containing that pane (we still use the current
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* window in the best session).
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*/
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if (fs->cmdq != NULL && fs->cmdq->client->tty.path != NULL) {
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RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
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if (strcmp(wp->tty, fs->cmdq->client->tty.path) == 0)
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break;
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}
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} else
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wp = NULL;
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/* Not running in a pane. We know nothing. Find the best session. */
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if (wp == NULL)
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goto unknown_pane;
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/* Find the best session and winlink containing this pane. */
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fs->w = wp->window;
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if (cmd_find_best_session_with_window(fs) != 0) {
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if (wp != NULL) {
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/*
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* The window may have been destroyed but the pane
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* still on all_window_panes due to something else
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* holding a reference.
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*/
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goto unknown_pane;
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}
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return (-1);
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}
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/* Use the current window and pane from this session. */
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fs->wl = fs->s->curw;
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fs->idx = fs->wl->idx;
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fs->w = fs->wl->window;
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fs->wp = fs->w->active;
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return (0);
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unknown_pane:
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fs->s = NULL;
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if (fs->cmdq != NULL)
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fs->s = cmd_find_try_TMUX(fs->cmdq->client, NULL);
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if (fs->s == NULL)
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fs->s = cmd_find_best_session(NULL, 0, fs->flags);
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if (fs->s == NULL)
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return (-1);
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fs->wl = fs->s->curw;
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fs->idx = fs->wl->idx;
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fs->w = fs->wl->window;
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fs->wp = fs->w->active;
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return (0);
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}
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/*
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* Work out the best current state. If this function succeeds, the state is
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* guaranteed to be completely filled in.
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*/
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int
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cmd_find_current_session(struct cmd_find_state *fs)
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{
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/* If we know the current client, use it. */
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if (fs->cmdq != NULL && fs->cmdq->client != NULL) {
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log_debug("%s: have client %p%s", __func__, fs->cmdq->client,
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fs->cmdq->client->session == NULL ? "" : " (with session)");
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if (fs->cmdq->client->session == NULL)
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return (cmd_find_current_session_with_client(fs));
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fs->s = fs->cmdq->client->session;
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fs->wl = fs->s->curw;
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fs->idx = fs->wl->idx;
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fs->w = fs->wl->window;
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fs->wp = fs->w->active;
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return (0);
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}
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/* We know nothing, find the best session and client. */
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fs->s = cmd_find_best_session(NULL, 0, fs->flags);
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if (fs->s == NULL)
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return (-1);
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fs->wl = fs->s->curw;
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fs->idx = fs->wl->idx;
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fs->w = fs->wl->window;
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fs->wp = fs->w->active;
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return (0);
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}
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/* Work out the best current client. */
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struct client *
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cmd_find_current_client(struct cmd_q *cmdq)
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{
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struct cmd_find_state current;
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struct session *s;
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struct client *c, **clist = NULL;
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u_int csize;
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/* If the queue client has a session, use it. */
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if (cmdq->client != NULL && cmdq->client->session != NULL) {
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log_debug("%s: using cmdq %p client %p", __func__, cmdq,
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cmdq->client);
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return (cmdq->client);
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}
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/* Otherwise find the current session. */
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cmd_find_clear_state(¤t, cmdq, 0);
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if (cmd_find_current_session(¤t) != 0)
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return (NULL);
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/* If it is attached, find the best of it's clients. */
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s = current.s;
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log_debug("%s: current session $%u %s", __func__, s->id, s->name);
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if (~s->flags & SESSION_UNATTACHED) {
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csize = 0;
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TAILQ_FOREACH(c, &clients, entry) {
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if (c->session != s)
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continue;
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clist = xreallocarray(clist, csize + 1, sizeof *clist);
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clist[csize++] = c;
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}
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if (csize != 0) {
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c = cmd_find_best_client(clist, csize);
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if (c != NULL) {
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free(clist);
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return (c);
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}
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}
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free(clist);
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}
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/* Otherwise pick best of all clients. */
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return (cmd_find_best_client(NULL, 0));
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}
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/* Maps string in table. */
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const char *
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cmd_find_map_table(const char *table[][2], const char *s)
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{
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u_int i;
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for (i = 0; table[i][0] != NULL; i++) {
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if (strcmp(s, table[i][0]) == 0)
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return (table[i][1]);
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}
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return (s);
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}
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/* Find session from string. Fills in s. */
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int
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cmd_find_get_session(struct cmd_find_state *fs, const char *session)
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{
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struct session *s, *s_loop;
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struct client *c;
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log_debug("%s: %s", __func__, session);
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/* Check for session ids starting with $. */
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if (*session == '$') {
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fs->s = session_find_by_id_str(session);
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if (fs->s == NULL)
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return (-1);
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return (0);
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}
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/* Look for exactly this session. */
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fs->s = session_find(session);
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if (fs->s != NULL)
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return (0);
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/* Look for as a client. */
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c = cmd_find_client(NULL, session, 1);
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if (c != NULL && c->session != NULL) {
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fs->s = c->session;
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return (0);
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}
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/* Stop now if exact only. */
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if (fs->flags & CMD_FIND_EXACT_SESSION)
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return (-1);
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/* Otherwise look for prefix. */
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s = NULL;
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RB_FOREACH(s_loop, sessions, &sessions) {
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if (strncmp(session, s_loop->name, strlen(session)) == 0) {
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if (s != NULL)
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return (-1);
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s = s_loop;
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}
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}
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if (s != NULL) {
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fs->s = s;
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return (0);
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}
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/* Then as a pattern. */
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s = NULL;
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RB_FOREACH(s_loop, sessions, &sessions) {
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if (fnmatch(session, s_loop->name, 0) == 0) {
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if (s != NULL)
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return (-1);
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s = s_loop;
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}
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}
|
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if (s != NULL) {
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fs->s = s;
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return (0);
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}
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|
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return (-1);
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}
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|
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/* Find window from string. Fills in s, wl, w. */
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int
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cmd_find_get_window(struct cmd_find_state *fs, const char *window)
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{
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log_debug("%s: %s", __func__, window);
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|
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/* Check for window ids starting with @. */
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if (*window == '@') {
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fs->w = window_find_by_id_str(window);
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if (fs->w == NULL)
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return (-1);
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return (cmd_find_best_session_with_window(fs));
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}
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|
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/* Not a window id, so use the current session. */
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fs->s = fs->current->s;
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/* We now only need to find the winlink in this session. */
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if (cmd_find_get_window_with_session(fs, window) == 0)
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return (0);
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|
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/* Otherwise try as a session itself. */
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if (cmd_find_get_session(fs, window) == 0) {
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fs->wl = fs->s->curw;
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fs->w = fs->wl->window;
|
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if (~fs->flags & CMD_FIND_WINDOW_INDEX)
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fs->idx = fs->wl->idx;
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return (0);
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}
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|
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return (-1);
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}
|
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|
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/*
|
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* Find window from string, assuming it is in given session. Needs s, fills in
|
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* wl and w.
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*/
|
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int
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cmd_find_get_window_with_session(struct cmd_find_state *fs, const char *window)
|
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{
|
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struct winlink *wl;
|
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const char *errstr;
|
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int idx, n, exact;
|
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struct session *s;
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|
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log_debug("%s: %s", __func__, window);
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exact = (fs->flags & CMD_FIND_EXACT_WINDOW);
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|
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/*
|
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* Start with the current window as the default. So if only an index is
|
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* found, the window will be the current.
|
|
*/
|
|
fs->wl = fs->s->curw;
|
|
fs->w = fs->wl->window;
|
|
|
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/* Check for window ids starting with @. */
|
|
if (*window == '@') {
|
|
fs->w = window_find_by_id_str(window);
|
|
if (fs->w == NULL || !session_has(fs->s, fs->w))
|
|
return (-1);
|
|
return (cmd_find_best_winlink_with_window(fs));
|
|
}
|
|
|
|
/* Try as an offset. */
|
|
if (!exact && (window[0] == '+' || window[0] == '-')) {
|
|
if (window[1] != '\0')
|
|
n = strtonum(window + 1, 1, INT_MAX, NULL);
|
|
else
|
|
n = 1;
|
|
s = fs->s;
|
|
if (fs->flags & CMD_FIND_WINDOW_INDEX) {
|
|
if (window[0] == '+') {
|
|
if (INT_MAX - s->curw->idx < n)
|
|
return (-1);
|
|
fs->idx = s->curw->idx + n;
|
|
} else {
|
|
if (n < s->curw->idx)
|
|
return (-1);
|
|
fs->idx = s->curw->idx - n;
|
|
}
|
|
return (0);
|
|
}
|
|
if (window[0] == '+')
|
|
fs->wl = winlink_next_by_number(s->curw, s, n);
|
|
else
|
|
fs->wl = winlink_previous_by_number(s->curw, s, n);
|
|
if (fs->wl != NULL) {
|
|
fs->idx = fs->wl->idx;
|
|
fs->w = fs->wl->window;
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
/* Try special characters. */
|
|
if (!exact) {
|
|
if (strcmp(window, "!") == 0) {
|
|
fs->wl = TAILQ_FIRST(&fs->s->lastw);
|
|
if (fs->wl == NULL)
|
|
return (-1);
|
|
fs->idx = fs->wl->idx;
|
|
fs->w = fs->wl->window;
|
|
return (0);
|
|
} else if (strcmp(window, "^") == 0) {
|
|
fs->wl = RB_MIN(winlinks, &fs->s->windows);
|
|
if (fs->wl == NULL)
|
|
return (-1);
|
|
fs->idx = fs->wl->idx;
|
|
fs->w = fs->wl->window;
|
|
return (0);
|
|
} else if (strcmp(window, "$") == 0) {
|
|
fs->wl = RB_MAX(winlinks, &fs->s->windows);
|
|
if (fs->wl == NULL)
|
|
return (-1);
|
|
fs->idx = fs->wl->idx;
|
|
fs->w = fs->wl->window;
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
/* First see if this is a valid window index in this session. */
|
|
if (window[0] != '+' && window[0] != '-') {
|
|
idx = strtonum(window, 0, INT_MAX, &errstr);
|
|
if (errstr == NULL) {
|
|
if (fs->flags & CMD_FIND_WINDOW_INDEX) {
|
|
fs->idx = idx;
|
|
return (0);
|
|
}
|
|
fs->wl = winlink_find_by_index(&fs->s->windows, idx);
|
|
if (fs->wl != NULL) {
|
|
fs->w = fs->wl->window;
|
|
return (0);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Look for exact matches, error if more than one. */
|
|
fs->wl = NULL;
|
|
RB_FOREACH(wl, winlinks, &fs->s->windows) {
|
|
if (strcmp(window, wl->window->name) == 0) {
|
|
if (fs->wl != NULL)
|
|
return (-1);
|
|
fs->wl = wl;
|
|
}
|
|
}
|
|
if (fs->wl != NULL) {
|
|
fs->idx = fs->wl->idx;
|
|
fs->w = fs->wl->window;
|
|
return (0);
|
|
}
|
|
|
|
/* Stop now if exact only. */
|
|
if (exact)
|
|
return (-1);
|
|
|
|
/* Try as the start of a window name, error if multiple. */
|
|
fs->wl = NULL;
|
|
RB_FOREACH(wl, winlinks, &fs->s->windows) {
|
|
if (strncmp(window, wl->window->name, strlen(window)) == 0) {
|
|
if (fs->wl != NULL)
|
|
return (-1);
|
|
fs->wl = wl;
|
|
}
|
|
}
|
|
if (fs->wl != NULL) {
|
|
fs->idx = fs->wl->idx;
|
|
fs->w = fs->wl->window;
|
|
return (0);
|
|
}
|
|
|
|
/* Now look for pattern matches, again error if multiple. */
|
|
fs->wl = NULL;
|
|
RB_FOREACH(wl, winlinks, &fs->s->windows) {
|
|
if (fnmatch(window, wl->window->name, 0) == 0) {
|
|
if (fs->wl != NULL)
|
|
return (-1);
|
|
fs->wl = wl;
|
|
}
|
|
}
|
|
if (fs->wl != NULL) {
|
|
fs->idx = fs->wl->idx;
|
|
fs->w = fs->wl->window;
|
|
return (0);
|
|
}
|
|
|
|
return (-1);
|
|
}
|
|
|
|
/* Find window from given pane. Needs wp, fills in s and wl and w. */
|
|
int
|
|
cmd_find_get_window_with_pane(struct cmd_find_state *fs)
|
|
{
|
|
log_debug("%s", __func__);
|
|
|
|
fs->w = fs->wp->window;
|
|
return (cmd_find_best_session_with_window(fs));
|
|
}
|
|
|
|
/* Find pane from string. Fills in s, wl, w, wp. */
|
|
int
|
|
cmd_find_get_pane(struct cmd_find_state *fs, const char *pane)
|
|
{
|
|
log_debug("%s: %s", __func__, pane);
|
|
|
|
/* Check for pane ids starting with %. */
|
|
if (*pane == '%') {
|
|
fs->wp = window_pane_find_by_id_str(pane);
|
|
if (fs->wp == NULL)
|
|
return (-1);
|
|
fs->w = fs->wp->window;
|
|
return (cmd_find_best_session_with_window(fs));
|
|
}
|
|
|
|
/* Not a pane id, so try the current session and window. */
|
|
fs->s = fs->current->s;
|
|
fs->wl = fs->current->wl;
|
|
fs->idx = fs->current->idx;
|
|
fs->w = fs->current->w;
|
|
|
|
/* We now only need to find the pane in this window. */
|
|
if (cmd_find_get_pane_with_window(fs, pane) == 0)
|
|
return (0);
|
|
|
|
/* Otherwise try as a window itself (this will also try as session). */
|
|
if (cmd_find_get_window(fs, pane) == 0) {
|
|
fs->wp = fs->w->active;
|
|
return (0);
|
|
}
|
|
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* Find pane from string, assuming it is in given session. Needs s, fills in wl
|
|
* and w and wp.
|
|
*/
|
|
int
|
|
cmd_find_get_pane_with_session(struct cmd_find_state *fs, const char *pane)
|
|
{
|
|
log_debug("%s: %s", __func__, pane);
|
|
|
|
/* Check for pane ids starting with %. */
|
|
if (*pane == '%') {
|
|
fs->wp = window_pane_find_by_id_str(pane);
|
|
if (fs->wp == NULL)
|
|
return (-1);
|
|
fs->w = fs->wp->window;
|
|
return (cmd_find_best_winlink_with_window(fs));
|
|
}
|
|
|
|
/* Otherwise use the current window. */
|
|
fs->wl = fs->s->curw;
|
|
fs->idx = fs->wl->idx;
|
|
fs->w = fs->wl->window;
|
|
|
|
/* Now we just need to look up the pane. */
|
|
return (cmd_find_get_pane_with_window(fs, pane));
|
|
}
|
|
|
|
/*
|
|
* Find pane from string, assuming it is in the given window. Needs w, fills in
|
|
* wp.
|
|
*/
|
|
int
|
|
cmd_find_get_pane_with_window(struct cmd_find_state *fs, const char *pane)
|
|
{
|
|
const char *errstr;
|
|
int idx;
|
|
struct window_pane *wp;
|
|
u_int n;
|
|
|
|
log_debug("%s: %s", __func__, pane);
|
|
|
|
/* Check for pane ids starting with %. */
|
|
if (*pane == '%') {
|
|
fs->wp = window_pane_find_by_id_str(pane);
|
|
if (fs->wp == NULL || fs->wp->window != fs->w)
|
|
return (-1);
|
|
return (0);
|
|
}
|
|
|
|
/* Try special characters. */
|
|
if (strcmp(pane, "!") == 0) {
|
|
if (fs->w->last == NULL)
|
|
return (-1);
|
|
fs->wp = fs->w->last;
|
|
return (0);
|
|
} else if (strcmp(pane, "{up-of}") == 0) {
|
|
fs->wp = window_pane_find_up(fs->w->active);
|
|
if (fs->wp == NULL)
|
|
return (-1);
|
|
return (0);
|
|
} else if (strcmp(pane, "{down-of}") == 0) {
|
|
fs->wp = window_pane_find_down(fs->w->active);
|
|
if (fs->wp == NULL)
|
|
return (-1);
|
|
return (0);
|
|
} else if (strcmp(pane, "{left-of}") == 0) {
|
|
fs->wp = window_pane_find_left(fs->w->active);
|
|
if (fs->wp == NULL)
|
|
return (-1);
|
|
return (0);
|
|
} else if (strcmp(pane, "{right-of}") == 0) {
|
|
fs->wp = window_pane_find_right(fs->w->active);
|
|
if (fs->wp == NULL)
|
|
return (-1);
|
|
return (0);
|
|
}
|
|
|
|
/* Try as an offset. */
|
|
if (pane[0] == '+' || pane[0] == '-') {
|
|
if (pane[1] != '\0')
|
|
n = strtonum(pane + 1, 1, INT_MAX, NULL);
|
|
else
|
|
n = 1;
|
|
wp = fs->w->active;
|
|
if (pane[0] == '+')
|
|
fs->wp = window_pane_next_by_number(fs->w, wp, n);
|
|
else
|
|
fs->wp = window_pane_previous_by_number(fs->w, wp, n);
|
|
if (fs->wp != NULL)
|
|
return (0);
|
|
}
|
|
|
|
/* Get pane by index. */
|
|
idx = strtonum(pane, 0, INT_MAX, &errstr);
|
|
if (errstr == NULL) {
|
|
fs->wp = window_pane_at_index(fs->w, idx);
|
|
if (fs->wp != NULL)
|
|
return (0);
|
|
}
|
|
|
|
/* Try as a description. */
|
|
fs->wp = window_find_string(fs->w, pane);
|
|
if (fs->wp != NULL)
|
|
return (0);
|
|
|
|
return (-1);
|
|
}
|
|
|
|
/* Clear state. */
|
|
void
|
|
cmd_find_clear_state(struct cmd_find_state *fs, struct cmd_q *cmdq, int flags)
|
|
{
|
|
memset(fs, 0, sizeof *fs);
|
|
|
|
fs->cmdq = cmdq;
|
|
fs->flags = flags;
|
|
|
|
fs->idx = -1;
|
|
}
|
|
|
|
/* Check if a state if valid. */
|
|
int
|
|
cmd_find_valid_state(struct cmd_find_state *fs)
|
|
{
|
|
struct winlink *wl;
|
|
|
|
if (fs->s == NULL || fs->wl == NULL || fs->w == NULL || fs->wp == NULL)
|
|
return (0);
|
|
|
|
if (!session_alive(fs->s))
|
|
return (0);
|
|
|
|
RB_FOREACH(wl, winlinks, &fs->s->windows) {
|
|
if (wl->window == fs->w && wl == fs->wl)
|
|
break;
|
|
}
|
|
if (wl == NULL)
|
|
return (0);
|
|
|
|
if (fs->w != fs->wl->window)
|
|
return (0);
|
|
|
|
if (!window_has_pane(fs->w, fs->wp))
|
|
return (0);
|
|
return (window_pane_visible(fs->wp));
|
|
}
|
|
|
|
/* Copy a state. */
|
|
void
|
|
cmd_find_copy_state(struct cmd_find_state *dst, struct cmd_find_state *src)
|
|
{
|
|
dst->s = src->s;
|
|
dst->wl = src->wl;
|
|
dst->idx = src->idx;
|
|
dst->w = src->w;
|
|
dst->wp = src->wp;
|
|
}
|
|
|
|
/* Log the result. */
|
|
void
|
|
cmd_find_log_state(const char *prefix, struct cmd_find_state *fs)
|
|
{
|
|
if (fs->s != NULL)
|
|
log_debug("%s: s=$%u", prefix, fs->s->id);
|
|
else
|
|
log_debug("%s: s=none", prefix);
|
|
if (fs->wl != NULL) {
|
|
log_debug("%s: wl=%u %d w=@%u %s", prefix, fs->wl->idx,
|
|
fs->wl->window == fs->w, fs->w->id, fs->w->name);
|
|
} else
|
|
log_debug("%s: wl=none", prefix);
|
|
if (fs->wp != NULL)
|
|
log_debug("%s: wp=%%%u", prefix, fs->wp->id);
|
|
else
|
|
log_debug("%s: wp=none", prefix);
|
|
if (fs->idx != -1)
|
|
log_debug("%s: idx=%d", prefix, fs->idx);
|
|
else
|
|
log_debug("%s: idx=none", prefix);
|
|
}
|
|
|
|
/* Find state from a session. */
|
|
int
|
|
cmd_find_from_session(struct cmd_find_state *fs, struct session *s)
|
|
{
|
|
cmd_find_clear_state(fs, NULL, 0);
|
|
|
|
fs->s = s;
|
|
fs->wl = fs->s->curw;
|
|
fs->w = fs->wl->window;
|
|
fs->wp = fs->w->active;
|
|
|
|
cmd_find_log_state(__func__, fs);
|
|
return (0);
|
|
}
|
|
|
|
/* Find state from a winlink. */
|
|
int
|
|
cmd_find_from_winlink(struct cmd_find_state *fs, struct session *s,
|
|
struct winlink *wl)
|
|
{
|
|
cmd_find_clear_state(fs, NULL, 0);
|
|
|
|
fs->s = s;
|
|
fs->wl = wl;
|
|
fs->w = wl->window;
|
|
fs->wp = wl->window->active;
|
|
|
|
cmd_find_log_state(__func__, fs);
|
|
return (0);
|
|
}
|
|
|
|
/* Find state from a window. */
|
|
int
|
|
cmd_find_from_window(struct cmd_find_state *fs, struct window *w)
|
|
{
|
|
cmd_find_clear_state(fs, NULL, 0);
|
|
|
|
fs->w = w;
|
|
if (cmd_find_best_session_with_window(fs) != 0)
|
|
return (-1);
|
|
if (cmd_find_best_winlink_with_window(fs) != 0)
|
|
return (-1);
|
|
|
|
cmd_find_log_state(__func__, fs);
|
|
return (0);
|
|
}
|
|
|
|
/* Find state from a pane. */
|
|
int
|
|
cmd_find_from_pane(struct cmd_find_state *fs, struct window_pane *wp)
|
|
{
|
|
if (cmd_find_from_window(fs, wp->window) != 0)
|
|
return (-1);
|
|
fs->wp = wp;
|
|
|
|
cmd_find_log_state(__func__, fs);
|
|
return (0);
|
|
}
|
|
|
|
/* Find current state. */
|
|
int
|
|
cmd_find_current(struct cmd_find_state *fs, struct cmd_q *cmdq, int flags)
|
|
{
|
|
cmd_find_clear_state(fs, cmdq, flags);
|
|
if (cmd_find_current_session(fs) != 0) {
|
|
if (~flags & CMD_FIND_QUIET)
|
|
cmdq_error(cmdq, "no current session");
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Split target into pieces and resolve for the given type. Fills in the given
|
|
* state. Returns 0 on success or -1 on error.
|
|
*/
|
|
int
|
|
cmd_find_target(struct cmd_find_state *fs, struct cmd_find_state *current,
|
|
struct cmd_q *cmdq, const char *target, enum cmd_find_type type, int flags)
|
|
{
|
|
struct mouse_event *m;
|
|
char *colon, *period, *copy = NULL;
|
|
const char *session, *window, *pane;
|
|
|
|
/* Log the arguments. */
|
|
if (target == NULL)
|
|
log_debug("%s: target none, type %d", __func__, type);
|
|
else
|
|
log_debug("%s: target %s, type %d", __func__, target, type);
|
|
log_debug("%s: cmdq %p, flags %#x", __func__, cmdq, flags);
|
|
|
|
/* Clear new state. */
|
|
cmd_find_clear_state(fs, cmdq, flags);
|
|
|
|
/* Find current state. */
|
|
if (server_check_marked() && (flags & CMD_FIND_DEFAULT_MARKED))
|
|
fs->current = &marked_pane;
|
|
else if (cmd_find_valid_state(&cmdq->current))
|
|
fs->current = &cmdq->current;
|
|
else
|
|
fs->current = current;
|
|
|
|
/* An empty or NULL target is the current. */
|
|
if (target == NULL || *target == '\0')
|
|
goto current;
|
|
|
|
/* Mouse target is a plain = or {mouse}. */
|
|
if (strcmp(target, "=") == 0 || strcmp(target, "{mouse}") == 0) {
|
|
m = &cmdq->item->mouse;
|
|
switch (type) {
|
|
case CMD_FIND_PANE:
|
|
fs->wp = cmd_mouse_pane(m, &fs->s, &fs->wl);
|
|
if (fs->wp != NULL)
|
|
fs->w = fs->wl->window;
|
|
break;
|
|
case CMD_FIND_WINDOW:
|
|
case CMD_FIND_SESSION:
|
|
fs->wl = cmd_mouse_window(m, &fs->s);
|
|
if (fs->wl != NULL) {
|
|
fs->w = fs->wl->window;
|
|
fs->wp = fs->w->active;
|
|
}
|
|
break;
|
|
}
|
|
if (fs->wp == NULL) {
|
|
if (~flags & CMD_FIND_QUIET)
|
|
cmdq_error(cmdq, "no mouse target");
|
|
goto error;
|
|
}
|
|
goto found;
|
|
}
|
|
|
|
/* Marked target is a plain ~ or {marked}. */
|
|
if (strcmp(target, "~") == 0 || strcmp(target, "{marked}") == 0) {
|
|
if (!server_check_marked()) {
|
|
if (~flags & CMD_FIND_QUIET)
|
|
cmdq_error(cmdq, "no marked target");
|
|
goto error;
|
|
}
|
|
cmd_find_copy_state(fs, &marked_pane);
|
|
goto found;
|
|
}
|
|
|
|
/* Find separators if they exist. */
|
|
copy = xstrdup(target);
|
|
colon = strchr(copy, ':');
|
|
if (colon != NULL)
|
|
*colon++ = '\0';
|
|
if (colon == NULL)
|
|
period = strchr(copy, '.');
|
|
else
|
|
period = strchr(colon, '.');
|
|
if (period != NULL)
|
|
*period++ = '\0';
|
|
|
|
/* Set session, window and pane parts. */
|
|
session = window = pane = NULL;
|
|
if (colon != NULL && period != NULL) {
|
|
session = copy;
|
|
window = colon;
|
|
pane = period;
|
|
} else if (colon != NULL && period == NULL) {
|
|
session = copy;
|
|
window = colon;
|
|
} else if (colon == NULL && period != NULL) {
|
|
window = copy;
|
|
pane = period;
|
|
} else {
|
|
if (*copy == '$')
|
|
session = copy;
|
|
else if (*copy == '@')
|
|
window = copy;
|
|
else if (*copy == '%')
|
|
pane = copy;
|
|
else {
|
|
switch (type) {
|
|
case CMD_FIND_SESSION:
|
|
session = copy;
|
|
break;
|
|
case CMD_FIND_WINDOW:
|
|
window = copy;
|
|
break;
|
|
case CMD_FIND_PANE:
|
|
pane = copy;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set exact match flags. */
|
|
if (session != NULL && *session == '=') {
|
|
session++;
|
|
fs->flags |= CMD_FIND_EXACT_SESSION;
|
|
}
|
|
if (window != NULL && *window == '=') {
|
|
window++;
|
|
fs->flags |= CMD_FIND_EXACT_WINDOW;
|
|
}
|
|
|
|
/* Empty is the same as NULL. */
|
|
if (session != NULL && *session == '\0')
|
|
session = NULL;
|
|
if (window != NULL && *window == '\0')
|
|
window = NULL;
|
|
if (pane != NULL && *pane == '\0')
|
|
pane = NULL;
|
|
|
|
/* Map though conversion table. */
|
|
if (session != NULL)
|
|
session = cmd_find_map_table(cmd_find_session_table, session);
|
|
if (window != NULL)
|
|
window = cmd_find_map_table(cmd_find_window_table, window);
|
|
if (pane != NULL)
|
|
pane = cmd_find_map_table(cmd_find_pane_table, pane);
|
|
|
|
log_debug("target %s (flags %#x): session=%s, window=%s, pane=%s",
|
|
target, flags, session == NULL ? "none" : session,
|
|
window == NULL ? "none" : window, pane == NULL ? "none" : pane);
|
|
|
|
/* No pane is allowed if want an index. */
|
|
if (pane != NULL && (flags & CMD_FIND_WINDOW_INDEX)) {
|
|
if (~flags & CMD_FIND_QUIET)
|
|
cmdq_error(cmdq, "can't specify pane here");
|
|
goto error;
|
|
}
|
|
|
|
/* If the session isn't NULL, look it up. */
|
|
if (session != NULL) {
|
|
/* This will fill in session. */
|
|
if (cmd_find_get_session(fs, session) != 0)
|
|
goto no_session;
|
|
|
|
/* If window and pane are NULL, use that session's current. */
|
|
if (window == NULL && pane == NULL) {
|
|
fs->wl = fs->s->curw;
|
|
fs->idx = -1;
|
|
fs->w = fs->wl->window;
|
|
fs->wp = fs->w->active;
|
|
goto found;
|
|
}
|
|
|
|
/* If window is present but pane not, find window in session. */
|
|
if (window != NULL && pane == NULL) {
|
|
/* This will fill in winlink and window. */
|
|
if (cmd_find_get_window_with_session(fs, window) != 0)
|
|
goto no_window;
|
|
fs->wp = fs->wl->window->active;
|
|
goto found;
|
|
}
|
|
|
|
/* If pane is present but window not, find pane. */
|
|
if (window == NULL && pane != NULL) {
|
|
/* This will fill in winlink and window and pane. */
|
|
if (cmd_find_get_pane_with_session(fs, pane) != 0)
|
|
goto no_pane;
|
|
goto found;
|
|
}
|
|
|
|
/*
|
|
* If window and pane are present, find both in session. This
|
|
* will fill in winlink and window.
|
|
*/
|
|
if (cmd_find_get_window_with_session(fs, window) != 0)
|
|
goto no_window;
|
|
/* This will fill in pane. */
|
|
if (cmd_find_get_pane_with_window(fs, pane) != 0)
|
|
goto no_pane;
|
|
goto found;
|
|
}
|
|
|
|
/* No session. If window and pane, try them. */
|
|
if (window != NULL && pane != NULL) {
|
|
/* This will fill in session, winlink and window. */
|
|
if (cmd_find_get_window(fs, window) != 0)
|
|
goto no_window;
|
|
/* This will fill in pane. */
|
|
if (cmd_find_get_pane_with_window(fs, pane) != 0)
|
|
goto no_pane;
|
|
goto found;
|
|
}
|
|
|
|
/* If just window is present, try it. */
|
|
if (window != NULL && pane == NULL) {
|
|
/* This will fill in session, winlink and window. */
|
|
if (cmd_find_get_window(fs, window) != 0)
|
|
goto no_window;
|
|
fs->wp = fs->wl->window->active;
|
|
goto found;
|
|
}
|
|
|
|
/* If just pane is present, try it. */
|
|
if (window == NULL && pane != NULL) {
|
|
/* This will fill in session, winlink, window and pane. */
|
|
if (cmd_find_get_pane(fs, pane) != 0)
|
|
goto no_pane;
|
|
goto found;
|
|
}
|
|
|
|
current:
|
|
/* Use the current session. */
|
|
cmd_find_copy_state(fs, fs->current);
|
|
if (flags & CMD_FIND_WINDOW_INDEX)
|
|
fs->idx = -1;
|
|
goto found;
|
|
|
|
error:
|
|
fs->current = NULL;
|
|
log_debug(" error");
|
|
|
|
free(copy);
|
|
return (-1);
|
|
|
|
found:
|
|
fs->current = NULL;
|
|
cmd_find_log_state(__func__, fs);
|
|
|
|
free(copy);
|
|
return (0);
|
|
|
|
no_session:
|
|
if (~flags & CMD_FIND_QUIET)
|
|
cmdq_error(cmdq, "can't find session %s", session);
|
|
goto error;
|
|
|
|
no_window:
|
|
if (~flags & CMD_FIND_QUIET)
|
|
cmdq_error(cmdq, "can't find window %s", window);
|
|
goto error;
|
|
|
|
no_pane:
|
|
if (~flags & CMD_FIND_QUIET)
|
|
cmdq_error(cmdq, "can't find pane %s", pane);
|
|
goto error;
|
|
}
|
|
|
|
/* Find the target client or report an error and return NULL. */
|
|
struct client *
|
|
cmd_find_client(struct cmd_q *cmdq, const char *target, int quiet)
|
|
{
|
|
struct client *c;
|
|
char *copy;
|
|
size_t size;
|
|
const char *path;
|
|
|
|
/* A NULL argument means the current client. */
|
|
if (cmdq != NULL && target == NULL) {
|
|
c = cmd_find_current_client(cmdq);
|
|
if (c == NULL && !quiet)
|
|
cmdq_error(cmdq, "no current client");
|
|
log_debug("%s: no target, return %p", __func__, c);
|
|
return (c);
|
|
}
|
|
copy = xstrdup(target);
|
|
|
|
/* Trim a single trailing colon if any. */
|
|
size = strlen(copy);
|
|
if (size != 0 && copy[size - 1] == ':')
|
|
copy[size - 1] = '\0';
|
|
|
|
/* Check path of each client. */
|
|
TAILQ_FOREACH(c, &clients, entry) {
|
|
if (c->session == NULL || c->tty.path == NULL)
|
|
continue;
|
|
path = c->tty.path;
|
|
|
|
/* Try for exact match. */
|
|
if (strcmp(copy, path) == 0)
|
|
break;
|
|
|
|
/* Try without leading /dev. */
|
|
if (strncmp(path, _PATH_DEV, (sizeof _PATH_DEV) - 1) != 0)
|
|
continue;
|
|
if (strcmp(copy, path + (sizeof _PATH_DEV) - 1) == 0)
|
|
break;
|
|
}
|
|
|
|
/* If no client found, report an error. */
|
|
if (c == NULL && !quiet)
|
|
cmdq_error(cmdq, "can't find client %s", copy);
|
|
|
|
free(copy);
|
|
log_debug("%s: target %s, return %p", __func__, target, c);
|
|
return (c);
|
|
}
|