mirror of
https://github.com/tmux/tmux.git
synced 2024-12-13 01:48:47 +00:00
35876eaab9
terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
394 lines
8.1 KiB
C
394 lines
8.1 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
const struct cmd_entry *cmd_table[] = {
|
|
&cmd_attach_session_entry,
|
|
&cmd_bind_key_entry,
|
|
&cmd_break_pane_entry,
|
|
&cmd_choose_session_entry,
|
|
&cmd_choose_window_entry,
|
|
&cmd_clear_history_entry,
|
|
&cmd_clock_mode_entry,
|
|
&cmd_command_prompt_entry,
|
|
&cmd_confirm_before_entry,
|
|
&cmd_copy_buffer_entry,
|
|
&cmd_copy_mode_entry,
|
|
&cmd_delete_buffer_entry,
|
|
&cmd_detach_client_entry,
|
|
&cmd_down_pane_entry,
|
|
&cmd_find_window_entry,
|
|
&cmd_has_session_entry,
|
|
&cmd_kill_pane_entry,
|
|
&cmd_kill_server_entry,
|
|
&cmd_kill_session_entry,
|
|
&cmd_kill_window_entry,
|
|
&cmd_last_window_entry,
|
|
&cmd_link_window_entry,
|
|
&cmd_list_buffers_entry,
|
|
&cmd_list_clients_entry,
|
|
&cmd_list_commands_entry,
|
|
&cmd_list_keys_entry,
|
|
&cmd_list_sessions_entry,
|
|
&cmd_list_windows_entry,
|
|
&cmd_load_buffer_entry,
|
|
&cmd_lock_server_entry,
|
|
&cmd_move_window_entry,
|
|
&cmd_new_session_entry,
|
|
&cmd_new_window_entry,
|
|
&cmd_next_layout_entry,
|
|
&cmd_next_window_entry,
|
|
&cmd_paste_buffer_entry,
|
|
&cmd_previous_layout_entry,
|
|
&cmd_previous_window_entry,
|
|
&cmd_refresh_client_entry,
|
|
&cmd_rename_session_entry,
|
|
&cmd_rename_window_entry,
|
|
&cmd_resize_pane_entry,
|
|
&cmd_respawn_window_entry,
|
|
&cmd_rotate_window_entry,
|
|
&cmd_save_buffer_entry,
|
|
&cmd_scroll_mode_entry,
|
|
&cmd_select_layout_entry,
|
|
&cmd_select_pane_entry,
|
|
&cmd_select_prompt_entry,
|
|
&cmd_select_window_entry,
|
|
&cmd_send_keys_entry,
|
|
&cmd_send_prefix_entry,
|
|
&cmd_server_info_entry,
|
|
&cmd_set_buffer_entry,
|
|
&cmd_set_option_entry,
|
|
&cmd_set_password_entry,
|
|
&cmd_set_window_option_entry,
|
|
&cmd_show_buffer_entry,
|
|
&cmd_show_options_entry,
|
|
&cmd_show_window_options_entry,
|
|
&cmd_source_file_entry,
|
|
&cmd_split_window_entry,
|
|
&cmd_start_server_entry,
|
|
&cmd_suspend_client_entry,
|
|
&cmd_swap_pane_entry,
|
|
&cmd_swap_window_entry,
|
|
&cmd_switch_client_entry,
|
|
&cmd_unbind_key_entry,
|
|
&cmd_unlink_window_entry,
|
|
&cmd_up_pane_entry,
|
|
NULL
|
|
};
|
|
|
|
struct cmd *
|
|
cmd_parse(int argc, char **argv, char **cause)
|
|
{
|
|
const struct cmd_entry **entryp, *entry;
|
|
struct cmd *cmd;
|
|
char s[BUFSIZ];
|
|
int opt;
|
|
|
|
*cause = NULL;
|
|
if (argc == 0)
|
|
return (NULL);
|
|
|
|
entry = NULL;
|
|
for (entryp = cmd_table; *entryp != NULL; entryp++) {
|
|
if ((*entryp)->alias != NULL &&
|
|
strcmp((*entryp)->alias, argv[0]) == 0) {
|
|
entry = *entryp;
|
|
break;
|
|
}
|
|
|
|
if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
|
|
continue;
|
|
if (entry != NULL)
|
|
goto ambiguous;
|
|
entry = *entryp;
|
|
|
|
/* Bail now if an exact match. */
|
|
if (strcmp(entry->name, argv[0]) == 0)
|
|
break;
|
|
}
|
|
if (entry == NULL) {
|
|
xasprintf(cause, "unknown command: %s", argv[0]);
|
|
return (NULL);
|
|
}
|
|
|
|
optreset = 1;
|
|
optind = 1;
|
|
if (entry->parse == NULL) {
|
|
while ((opt = getopt(argc, argv, "")) != -1) {
|
|
switch (opt) {
|
|
default:
|
|
goto usage;
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
if (argc != 0)
|
|
goto usage;
|
|
}
|
|
|
|
cmd = xmalloc(sizeof *cmd);
|
|
cmd->entry = entry;
|
|
cmd->data = NULL;
|
|
if (entry->parse != NULL) {
|
|
if (entry->parse(cmd, argc, argv, cause) != 0) {
|
|
xfree(cmd);
|
|
return (NULL);
|
|
}
|
|
}
|
|
return (cmd);
|
|
|
|
ambiguous:
|
|
*s = '\0';
|
|
for (entryp = cmd_table; *entryp != NULL; entryp++) {
|
|
if (strncmp((*entryp)->name, argv[0], strlen(argv[0])) != 0)
|
|
continue;
|
|
if (strlcat(s, (*entryp)->name, sizeof s) >= sizeof s)
|
|
break;
|
|
if (strlcat(s, ", ", sizeof s) >= sizeof s)
|
|
break;
|
|
}
|
|
s[strlen(s) - 2] = '\0';
|
|
xasprintf(cause, "ambiguous command: %s, could be: %s", argv[0], s);
|
|
return (NULL);
|
|
|
|
usage:
|
|
xasprintf(cause, "usage: %s %s", entry->name, entry->usage);
|
|
return (NULL);
|
|
}
|
|
|
|
int
|
|
cmd_exec(struct cmd *cmd, struct cmd_ctx *ctx)
|
|
{
|
|
if (server_locked) {
|
|
ctx->error(ctx, "server is locked");
|
|
return (-1);
|
|
}
|
|
return (cmd->entry->exec(cmd, ctx));
|
|
}
|
|
|
|
void
|
|
cmd_send(struct cmd *cmd, struct buffer *b)
|
|
{
|
|
const struct cmd_entry **entryp;
|
|
u_int n;
|
|
|
|
n = 0;
|
|
for (entryp = cmd_table; *entryp != NULL; entryp++) {
|
|
if (*entryp == cmd->entry)
|
|
break;
|
|
n++;
|
|
}
|
|
if (*entryp == NULL)
|
|
fatalx("command not found");
|
|
|
|
buffer_write(b, &n, sizeof n);
|
|
|
|
if (cmd->entry->send != NULL)
|
|
cmd->entry->send(cmd, b);
|
|
}
|
|
|
|
struct cmd *
|
|
cmd_recv(struct buffer *b)
|
|
{
|
|
const struct cmd_entry **entryp;
|
|
struct cmd *cmd;
|
|
u_int m, n;
|
|
|
|
buffer_read(b, &m, sizeof m);
|
|
|
|
n = 0;
|
|
for (entryp = cmd_table; *entryp != NULL; entryp++) {
|
|
if (n == m)
|
|
break;
|
|
n++;
|
|
}
|
|
if (*entryp == NULL)
|
|
fatalx("command not found");
|
|
|
|
cmd = xmalloc(sizeof *cmd);
|
|
cmd->entry = *entryp;
|
|
|
|
if (cmd->entry->recv != NULL)
|
|
cmd->entry->recv(cmd, b);
|
|
return (cmd);
|
|
}
|
|
|
|
void
|
|
cmd_free(struct cmd *cmd)
|
|
{
|
|
if (cmd->data != NULL && cmd->entry->free != NULL)
|
|
cmd->entry->free(cmd);
|
|
xfree(cmd);
|
|
}
|
|
|
|
size_t
|
|
cmd_print(struct cmd *cmd, char *buf, size_t len)
|
|
{
|
|
if (cmd->entry->print == NULL) {
|
|
return (xsnprintf(buf, len, "%s", cmd->entry->name));
|
|
}
|
|
return (cmd->entry->print(cmd, buf, len));
|
|
}
|
|
|
|
void
|
|
cmd_send_string(struct buffer *b, const char *s)
|
|
{
|
|
size_t n;
|
|
|
|
if (s == NULL) {
|
|
n = 0;
|
|
buffer_write(b, &n, sizeof n);
|
|
return;
|
|
}
|
|
|
|
n = strlen(s) + 1;
|
|
buffer_write(b, &n, sizeof n);
|
|
|
|
buffer_write(b, s, n);
|
|
}
|
|
|
|
char *
|
|
cmd_recv_string(struct buffer *b)
|
|
{
|
|
char *s;
|
|
size_t n;
|
|
|
|
buffer_read(b, &n, sizeof n);
|
|
|
|
if (n == 0)
|
|
return (NULL);
|
|
|
|
s = xmalloc(n);
|
|
buffer_read(b, s, n);
|
|
s[n - 1] = '\0';
|
|
|
|
return (s);
|
|
}
|
|
|
|
struct session *
|
|
cmd_current_session(struct cmd_ctx *ctx)
|
|
{
|
|
struct msg_command_data *data = ctx->msgdata;
|
|
struct timeval *tv;
|
|
struct session *s, *newest = NULL;
|
|
u_int i;
|
|
|
|
if (ctx->cursession != NULL)
|
|
return (ctx->cursession);
|
|
|
|
if (data != NULL && data->pid != -1) {
|
|
if (data->pid != getpid()) {
|
|
ctx->error(ctx, "wrong server: %ld", (long) data->pid);
|
|
return (NULL);
|
|
}
|
|
if (data->idx > ARRAY_LENGTH(&sessions)) {
|
|
ctx->error(ctx, "index out of range: %d", data->idx);
|
|
return (NULL);
|
|
}
|
|
if ((s = ARRAY_ITEM(&sessions, data->idx)) == NULL) {
|
|
ctx->error(ctx, "session doesn't exist: %u", data->idx);
|
|
return (NULL);
|
|
}
|
|
return (s);
|
|
}
|
|
|
|
tv = NULL;
|
|
for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
|
|
s = ARRAY_ITEM(&sessions, i);
|
|
if (s != NULL && (tv == NULL || timercmp(&s->tv, tv, >))) {
|
|
newest = ARRAY_ITEM(&sessions, i);
|
|
tv = &s->tv;
|
|
}
|
|
}
|
|
return (newest);
|
|
}
|
|
|
|
struct client *
|
|
cmd_find_client(struct cmd_ctx *ctx, const char *arg)
|
|
{
|
|
struct client *c;
|
|
|
|
if (arg == NULL)
|
|
c = ctx->curclient;
|
|
else {
|
|
if ((c = arg_parse_client(arg)) == NULL) {
|
|
if (arg != NULL)
|
|
ctx->error(ctx, "client not found: %s", arg);
|
|
else
|
|
ctx->error(ctx, "no client found");
|
|
}
|
|
}
|
|
return (c);
|
|
}
|
|
|
|
struct session *
|
|
cmd_find_session(struct cmd_ctx *ctx, const char *arg)
|
|
{
|
|
struct session *s;
|
|
|
|
if (arg == NULL)
|
|
s = cmd_current_session(ctx);
|
|
else {
|
|
if ((s = arg_parse_session(arg)) == NULL) {
|
|
if (arg != NULL)
|
|
ctx->error(ctx, "session not found: %s", arg);
|
|
else
|
|
ctx->error(ctx, "no session found");
|
|
}
|
|
}
|
|
return (s);
|
|
}
|
|
|
|
struct winlink *
|
|
cmd_find_window(struct cmd_ctx *ctx, const char *arg, struct session **sp)
|
|
{
|
|
struct session *s;
|
|
struct winlink *wl;
|
|
int idx;
|
|
|
|
wl = NULL;
|
|
if (arg_parse_window(arg, &s, &idx) != 0) {
|
|
ctx->error(ctx, "bad window: %s", arg);
|
|
return (NULL);
|
|
}
|
|
if (s == NULL)
|
|
s = ctx->cursession;
|
|
if (s == NULL)
|
|
s = cmd_current_session(ctx);
|
|
if (s == NULL)
|
|
return (NULL);
|
|
if (sp != NULL)
|
|
*sp = s;
|
|
|
|
if (idx == -1)
|
|
wl = s->curw;
|
|
else
|
|
wl = winlink_find_by_index(&s->windows, idx);
|
|
if (wl == NULL)
|
|
ctx->error(ctx, "window not found: %s:%d", s->name, idx);
|
|
return (wl);
|
|
}
|