mirror of https://github.com/tmux/tmux.git
PatchSet 870
Date: 2011/03/27 21:27:26 Author: nicm Branch: HEAD Tag: (none) Log: Give each pane created in a tmux server a unique id (starting from 0), put it in the TMUX_PANE environment variable and accept it as a target. Suggested by and with testing and tweaks from Ben Boeckel.pull/1/head
Nicholas Marriott
parent
95832241aa
commit
536fc24653
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@ -1,4 +1,4 @@
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/* $Id: cmd-list-panes.c,v 1.7 2011-01-07 14:45:34 tcunha Exp $ */
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/* $Id: cmd-list-panes.c,v 1.8 2011-04-06 22:16:33 nicm Exp $ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -64,8 +64,8 @@ cmd_list_panes_exec(struct cmd *self, struct cmd_ctx *ctx)
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}
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size += gd->hsize * sizeof *gd->linedata;
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ctx->print(ctx, "%u: [%ux%u] [history %u/%u, %llu bytes]%s%s",
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n, wp->sx, wp->sy, gd->hsize, gd->hlimit, size,
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ctx->print(ctx, "%u: [%ux%u] [history %u/%u, %llu bytes] %%%u%s%s",
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n, wp->sx, wp->sy, gd->hsize, gd->hlimit, size, wp->id,
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wp == wp->window->active ? " (active)" : "",
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wp->fd == -1 ? " (dead)" : "");
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n++;
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101
cmd.c
101
cmd.c
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@ -1,4 +1,4 @@
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/* $Id: cmd.c,v 1.149 2011-02-14 23:11:33 tcunha Exp $ */
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/* $Id: cmd.c,v 1.150 2011-04-06 22:16:33 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -117,9 +117,12 @@ struct client *cmd_lookup_client(const char *);
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struct session *cmd_lookup_session(const char *, int *);
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struct winlink *cmd_lookup_window(struct session *, const char *, int *);
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int cmd_lookup_index(struct session *, const char *, int *);
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struct window_pane *cmd_lookup_paneid(const char *);
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struct session *cmd_pane_session(struct cmd_ctx *,
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struct window_pane *, struct winlink **);
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struct winlink *cmd_find_window_offset(const char *, struct session *, int *);
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int cmd_find_index_offset(const char *, struct session *, int *);
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struct window_pane *cmd_find_pane_offset(const char *, struct winlink *);
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struct window_pane *cmd_find_pane_offset(const char *, struct winlink *);
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int
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cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
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@ -638,21 +641,78 @@ cmd_lookup_index(struct session *s, const char *name, int *ambiguous)
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return (-1);
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}
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/*
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* Lookup pane id. An initial % means a pane id. sp must already point to the
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* current session.
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*/
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struct window_pane *
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cmd_lookup_paneid(const char *arg)
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{
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const char *errstr;
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u_int paneid;
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if (*arg != '%')
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return (NULL);
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paneid = strtonum(arg + 1, 0, UINT_MAX, &errstr);
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if (errstr != NULL)
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return (NULL);
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return (window_pane_find_by_id(paneid));
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}
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/* Find session and winlink for pane. */
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struct session *
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cmd_pane_session(struct cmd_ctx *ctx, struct window_pane *wp,
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struct winlink **wlp)
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{
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struct session *s;
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struct sessionslist ss;
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struct winlink *wl;
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/* If this pane is in the current session, return that winlink. */
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s = cmd_current_session(ctx);
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if (s != NULL) {
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wl = winlink_find_by_window(&s->windows, wp->window);
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if (wl != NULL) {
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if (wlp != NULL)
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*wlp = wl;
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return (s);
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}
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}
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/* Otherwise choose from all sessions with this pane. */
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ARRAY_INIT(&ss);
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RB_FOREACH(s, sessions, &sessions) {
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if (winlink_find_by_window(&s->windows, wp->window) != NULL)
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ARRAY_ADD(&ss, s);
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}
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s = cmd_choose_session_list(&ss);
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ARRAY_FREE(&ss);
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if (wlp != NULL)
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*wlp = winlink_find_by_window(&s->windows, wp->window);
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return (s);
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}
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/* Find the target session or report an error and return NULL. */
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struct session *
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cmd_find_session(struct cmd_ctx *ctx, const char *arg)
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{
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struct session *s;
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struct client *c;
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char *tmparg;
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size_t arglen;
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int ambiguous;
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struct session *s;
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struct window_pane *wp;
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struct client *c;
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char *tmparg;
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size_t arglen;
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int ambiguous;
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/* A NULL argument means the current session. */
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if (arg == NULL)
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return (cmd_current_session(ctx));
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tmparg = xstrdup(arg);
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/* Lookup as pane id. */
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if ((wp = cmd_lookup_paneid(arg)) != NULL)
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return (cmd_pane_session(ctx, wp, NULL));
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/* Trim a single trailing colon if any. */
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arglen = strlen(tmparg);
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if (arglen != 0 && tmparg[arglen - 1] == ':')
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@ -681,11 +741,12 @@ cmd_find_session(struct cmd_ctx *ctx, const char *arg)
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struct winlink *
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cmd_find_window(struct cmd_ctx *ctx, const char *arg, struct session **sp)
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{
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struct session *s;
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struct winlink *wl;
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const char *winptr;
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char *sessptr = NULL;
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int ambiguous = 0;
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struct session *s;
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struct winlink *wl;
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struct window_pane *wp;
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const char *winptr;
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char *sessptr = NULL;
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int ambiguous = 0;
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/*
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* Find the current session. There must always be a current session, if
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@ -703,6 +764,14 @@ cmd_find_window(struct cmd_ctx *ctx, const char *arg, struct session **sp)
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return (s->curw);
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}
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/* Lookup as pane id. */
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if ((wp = cmd_lookup_paneid(arg)) != NULL) {
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s = cmd_pane_session(ctx, wp, &wl);
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if (sp != NULL)
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*sp = s;
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return (wl);
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}
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/* Time to look at the argument. If it is empty, that is an error. */
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if (*arg == '\0')
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goto not_found;
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@ -997,6 +1066,14 @@ cmd_find_pane(struct cmd_ctx *ctx,
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return (s->curw);
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}
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/* Lookup as pane id. */
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if ((*wpp = cmd_lookup_paneid(arg)) != NULL) {
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s = cmd_pane_session(ctx, *wpp, &wl);
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if (sp != NULL)
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*sp = s;
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return (wl);
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}
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/* Look for a separating period. */
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if ((period = strrchr(arg, '.')) == NULL)
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goto no_period;
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3
server.c
3
server.c
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@ -1,4 +1,4 @@
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/* $Id: server.c,v 1.253 2011-02-15 15:12:28 tcunha Exp $ */
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/* $Id: server.c,v 1.254 2011-04-06 22:16:33 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -142,6 +142,7 @@ server_start(void)
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log_debug("server started, pid %ld", (long) getpid());
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ARRAY_INIT(&windows);
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RB_INIT(&all_window_panes);
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ARRAY_INIT(&clients);
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ARRAY_INIT(&dead_clients);
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RB_INIT(&sessions);
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13
tmux.1
13
tmux.1
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@ -1,4 +1,4 @@
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.\" $Id: tmux.1,v 1.296 2011-03-19 23:27:35 tcunha Exp $
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.\" $Id: tmux.1,v 1.297 2011-04-06 22:16:33 nicm Exp $
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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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@ -453,6 +453,17 @@ select-window -t:+2
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When dealing with a session that doesn't contain sequential window indexes,
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they will be correctly skipped.
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.Pp
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.Nm
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also gives each pane created in a server an identifier consisting of a
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.Ql %
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and a number, starting from zero.
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A pane's identifier is unique for the life of the
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.Nm
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server and is passed to the child process of the pane in the
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.Ev TMUX_PANE
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environment variable.
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It may be used alone to target a pane or the window containing it.
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.Pp
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.Ar shell-command
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arguments are
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.Xr sh 1
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10
tmux.h
10
tmux.h
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@ -1,4 +1,4 @@
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/* $Id: tmux.h,v 1.612 2011-03-19 23:30:37 tcunha Exp $ */
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/* $Id: tmux.h,v 1.613 2011-04-06 22:16:33 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -775,6 +775,8 @@ struct window_mode {
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/* Child window structure. */
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struct window_pane {
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u_int id;
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struct window *window;
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struct layout_cell *layout_cell;
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@ -817,8 +819,10 @@ struct window_pane {
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void *modedata;
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TAILQ_ENTRY(window_pane) entry;
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RB_ENTRY(window_pane) tree_entry;
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};
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TAILQ_HEAD(window_panes, window_pane);
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RB_HEAD(window_pane_tree, window_pane);
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/* Window structure. */
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struct window {
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@ -1821,8 +1825,11 @@ int screen_check_selection(struct screen *, u_int, u_int);
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/* window.c */
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extern struct windows windows;
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extern struct window_pane_tree all_window_panes;
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int winlink_cmp(struct winlink *, struct winlink *);
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RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
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int window_pane_cmp(struct window_pane *, struct window_pane *);
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RB_PROTOTYPE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
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struct winlink *winlink_find_by_index(struct winlinks *, int);
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struct winlink *winlink_find_by_window(struct winlinks *, struct window *);
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int winlink_next_index(struct winlinks *, int);
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@ -1857,6 +1864,7 @@ struct window_pane *window_pane_previous_by_number(struct window *,
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u_int window_pane_index(struct window *, struct window_pane *);
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u_int window_count_panes(struct window *);
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void window_destroy_panes(struct window *);
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struct window_pane *window_pane_find_by_id(u_int);
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struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int);
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void window_pane_destroy(struct window_pane *);
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int window_pane_spawn(struct window_pane *, const char *,
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33
window.c
33
window.c
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@ -1,4 +1,4 @@
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/* $Id: window.c,v 1.145 2011-02-15 15:09:52 tcunha Exp $ */
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/* $Id: window.c,v 1.146 2011-04-06 22:16:33 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -53,6 +53,10 @@
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/* Global window list. */
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struct windows windows;
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/* Global panes tree. */
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struct window_pane_tree all_window_panes;
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u_int next_window_pane;
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void window_pane_read_callback(struct bufferevent *, void *);
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void window_pane_error_callback(struct bufferevent *, short, void *);
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@ -64,6 +68,14 @@ winlink_cmp(struct winlink *wl1, struct winlink *wl2)
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return (wl1->idx - wl2->idx);
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}
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RB_GENERATE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
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int
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window_pane_cmp(struct window_pane *wp1, struct window_pane *wp2)
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{
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return (wp1->id - wp2->id);
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}
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struct winlink *
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winlink_find_by_window(struct winlinks *wwl, struct window *w)
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{
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@ -492,6 +504,16 @@ window_printable_flags(struct session *s, struct winlink *wl)
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return (xstrdup(flags));
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}
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/* Find pane in global tree by id. */
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struct window_pane *
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window_pane_find_by_id(u_int id)
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{
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struct window_pane wp;
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wp.id = id;
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return (RB_FIND(window_pane_tree, &all_window_panes, &wp));
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}
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struct window_pane *
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window_pane_create(struct window *w, u_int sx, u_int sy, u_int hlimit)
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{
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@ -500,6 +522,9 @@ window_pane_create(struct window *w, u_int sx, u_int sy, u_int hlimit)
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wp = xcalloc(1, sizeof *wp);
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wp->window = w;
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wp->id = next_window_pane++;
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RB_INSERT(window_pane_tree, &all_window_panes, wp);
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wp->cmd = NULL;
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wp->shell = NULL;
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wp->cwd = NULL;
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@ -552,6 +577,8 @@ window_pane_destroy(struct window_pane *wp)
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bufferevent_free(wp->pipe_event);
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}
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RB_REMOVE(window_pane_tree, &all_window_panes, wp);
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if (wp->cwd != NULL)
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xfree(wp->cwd);
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if (wp->shell != NULL)
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@ -566,7 +593,7 @@ window_pane_spawn(struct window_pane *wp, const char *cmd, const char *shell,
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const char *cwd, struct environ *env, struct termios *tio, char **cause)
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{
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struct winsize ws;
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char *argv0;
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char *argv0, paneid[16];
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const char *ptr;
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struct termios tio2;
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@ -613,6 +640,8 @@ window_pane_spawn(struct window_pane *wp, const char *cmd, const char *shell,
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closefrom(STDERR_FILENO + 1);
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xsnprintf(paneid, sizeof paneid, "%%%u", wp->id);
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environ_set(env, "TMUX_PANE", paneid);
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environ_push(env);
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clear_signals(1);
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