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commands and allow a command to block execution of subsequent commands. This allows run-shell and if-shell to be synchronous which has been much requested. Each client has a default command queue and commands are consumed one at a time from it. A command may suspend execution from the queue by returning CMD_RETURN_WAIT and then resume it by calling cmd_continue() - for example run-shell does this from the callback that is fired after the job is freed. When the command queue becomes empty, command clients are automatically exited (unless attaching). A callback is also fired - this is used for nested commands in, for example, if-shell which can block execution of the client's cmdq until a new cmdq becomes empty. Also merge all the old error/info/print functions together and lose the old curclient/cmdclient distinction - a cmdq is bound to one client (or none if in the configuration file), this is a command client if c->session is NULL otherwise an attached client.
115 lines
3.0 KiB
C
115 lines
3.0 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 <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Switch client to a different session.
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*/
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void cmd_switch_client_key_binding(struct cmd *, int);
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enum cmd_retval cmd_switch_client_exec(struct cmd *, struct cmd_q *);
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const struct cmd_entry cmd_switch_client_entry = {
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"switch-client", "switchc",
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"lc:npt:r", 0, 0,
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"[-lnpr] [-c target-client] [-t target-session]",
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CMD_READONLY,
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cmd_switch_client_key_binding,
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NULL,
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cmd_switch_client_exec
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};
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void
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cmd_switch_client_key_binding(struct cmd *self, int key)
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{
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self->args = args_create(0);
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switch (key) {
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case '(':
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args_set(self->args, 'p', NULL);
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break;
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case ')':
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args_set(self->args, 'n', NULL);
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break;
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case 'L':
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args_set(self->args, 'l', NULL);
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break;
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}
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}
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enum cmd_retval
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cmd_switch_client_exec(struct cmd *self, struct cmd_q *cmdq)
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{
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struct args *args = self->args;
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struct client *c;
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struct session *s;
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if ((c = cmd_find_client(cmdq, args_get(args, 'c'), 0)) == NULL)
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return (CMD_RETURN_ERROR);
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if (args_has(args, 'r')) {
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if (c->flags & CLIENT_READONLY) {
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c->flags &= ~CLIENT_READONLY;
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cmdq_info(cmdq, "made client writable");
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} else {
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c->flags |= CLIENT_READONLY;
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cmdq_info(cmdq, "made client read-only");
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}
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}
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s = NULL;
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if (args_has(args, 'n')) {
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if ((s = session_next_session(c->session)) == NULL) {
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cmdq_error(cmdq, "can't find next session");
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return (CMD_RETURN_ERROR);
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}
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} else if (args_has(args, 'p')) {
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if ((s = session_previous_session(c->session)) == NULL) {
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cmdq_error(cmdq, "can't find previous session");
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return (CMD_RETURN_ERROR);
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}
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} else if (args_has(args, 'l')) {
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if (c->last_session != NULL && session_alive(c->last_session))
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s = c->last_session;
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if (s == NULL) {
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cmdq_error(cmdq, "can't find last session");
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return (CMD_RETURN_ERROR);
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}
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} else
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s = cmd_find_session(cmdq, args_get(args, 't'), 0);
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if (s == NULL)
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return (CMD_RETURN_ERROR);
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if (c->session != NULL)
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c->last_session = c->session;
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c->session = s;
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session_update_activity(s);
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recalculate_sizes();
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server_check_unattached();
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server_redraw_client(c);
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s->curw->flags &= ~WINLINK_ALERTFLAGS;
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return (CMD_RETURN_NORMAL);
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}
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