1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
/* $OpenBSD: cmd-new-session.c,v 1.5 2009/07/22 22:47:43 nicm Exp $ */
/*
* 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 "tmux.h"
/*
* Create a new session and attach to the current terminal unless -d is given.
*/
int cmd_new_session_parse(struct cmd *, int, char **, char **);
int cmd_new_session_exec(struct cmd *, struct cmd_ctx *);
void cmd_new_session_send(struct cmd *, struct buffer *);
void cmd_new_session_recv(struct cmd *, struct buffer *);
void cmd_new_session_free(struct cmd *);
void cmd_new_session_init(struct cmd *, int);
size_t cmd_new_session_print(struct cmd *, char *, size_t);
struct cmd_new_session_data {
char *newname;
char *winname;
char *cmd;
int flag_detached;
};
const struct cmd_entry cmd_new_session_entry = {
"new-session", "new",
"[-d] [-n window-name] [-s session-name] [command]",
CMD_STARTSERVER|CMD_CANTNEST, 0,
cmd_new_session_init,
cmd_new_session_parse,
cmd_new_session_exec,
cmd_new_session_send,
cmd_new_session_recv,
cmd_new_session_free,
cmd_new_session_print
};
void
cmd_new_session_init(struct cmd *self, unused int arg)
{
struct cmd_new_session_data *data;
self->data = data = xmalloc(sizeof *data);
data->flag_detached = 0;
data->newname = NULL;
data->winname = NULL;
data->cmd = NULL;
}
int
cmd_new_session_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_new_session_data *data;
int opt;
self->entry->init(self, 0);
data = self->data;
while ((opt = getopt(argc, argv, "ds:n:")) != -1) {
switch (opt) {
case 'd':
data->flag_detached = 1;
break;
case 's':
if (data->newname == NULL)
data->newname = xstrdup(optarg);
break;
case 'n':
if (data->winname == NULL)
data->winname = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (argc != 0 && argc != 1)
goto usage;
if (argc == 1)
data->cmd = xstrdup(argv[0]);
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
self->entry->free(self);
return (-1);
}
int
cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_new_session_data *data = self->data;
struct session *s;
struct options *oo;
char *cmd, *cwd, *cause;
u_int sx, sy;
if (data->newname != NULL && session_find(data->newname) != NULL) {
ctx->error(ctx, "duplicate session: %s", data->newname);
return (-1);
}
/*
* There are two cases:
*
* 1. If cmdclient is non-NULL, new-session has been called from the
* command-line - cmdclient is to become a new attached, interactive
* client. Unless -d is given, the terminal must be opened and then
* the client sent MSG_READY.
*
* 2. If cmdclient is NULL, new-session has been called from an
* existing client (such as a key binding).
*
* In both cases, a new additional session needs to be created and
* (unless -d) set as the current session for the client.
*/
/* Open the terminal if necessary. */
if (!data->flag_detached && ctx->cmdclient != NULL) {
if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) {
ctx->error(ctx, "not a terminal");
return (-1);
}
if (tty_open(&ctx->cmdclient->tty, &cause) != 0) {
ctx->error(ctx, "open terminal failed: %s", cause);
xfree(cause);
return (-1);
}
}
/*
* If the called from inside, use the source session for the default
* path and command.
*/
oo = &global_s_options;
if (ctx->cmdclient == NULL)
oo = &ctx->curclient->session->options;
/* Find new session size and options. */
if (data->flag_detached) {
sx = 80;
sy = 25;
} else {
if (ctx->cmdclient != NULL) {
sx = ctx->cmdclient->tty.sx;
sy = ctx->cmdclient->tty.sy;
} else {
sx = ctx->curclient->tty.sx;
sy = ctx->curclient->tty.sy;
}
}
if (sy > 0 && options_get_number(oo, "status"))
sy--;
if (sx == 0)
sx = 1;
if (sy == 0)
sy = 1;
if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL)
cwd = ctx->cmdclient->cwd;
else
cwd = options_get_string(oo, "default-path");
if (data->cmd != NULL)
cmd = data->cmd;
else
cmd = options_get_string(oo, "default-command");
/* Create the new session. */
s = session_create(data->newname, cmd, cwd, sx, sy, &cause);
if (s == NULL) {
ctx->error(ctx, "create session failed: %s", cause);
xfree(cause);
return (-1);
}
if (data->winname != NULL) {
xfree(s->curw->window->name);
s->curw->window->name = xstrdup(data->winname);
options_set_number(
&s->curw->window->options, "automatic-rename", 0);
}
/*
* If a command client exists, it is either taking this session (and
* needs to get MSG_READY and stay around), or -d is given and it needs
* to exit.
*/
if (ctx->cmdclient != NULL) {
if (!data->flag_detached)
server_write_client(ctx->cmdclient, MSG_READY, NULL, 0);
else
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
}
/* Set the client to the new session. */
if (!data->flag_detached) {
if (ctx->cmdclient != NULL) {
ctx->cmdclient->session = s;
server_redraw_client(ctx->cmdclient);
} else {
ctx->curclient->session = s;
server_redraw_client(ctx->curclient);
}
}
recalculate_sizes();
return (1); /* 1 means don't tell command client to exit */
}
void
cmd_new_session_send(struct cmd *self, struct buffer *b)
{
struct cmd_new_session_data *data = self->data;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->newname);
cmd_send_string(b, data->winname);
cmd_send_string(b, data->cmd);
}
void
cmd_new_session_recv(struct cmd *self, struct buffer *b)
{
struct cmd_new_session_data *data;
self->data = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->newname = cmd_recv_string(b);
data->winname = cmd_recv_string(b);
data->cmd = cmd_recv_string(b);
}
void
cmd_new_session_free(struct cmd *self)
{
struct cmd_new_session_data *data = self->data;
if (data->newname != NULL)
xfree(data->newname);
if (data->winname != NULL)
xfree(data->winname);
if (data->cmd != NULL)
xfree(data->cmd);
xfree(data);
}
size_t
cmd_new_session_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_new_session_data *data = self->data;
size_t off = 0;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return (off);
if (off < len && data->flag_detached)
off += xsnprintf(buf + off, len - off, " -d");
if (off < len && data->newname != NULL)
off += cmd_prarg(buf + off, len - off, " -s ", data->newname);
if (off < len && data->winname != NULL)
off += cmd_prarg(buf + off, len - off, " -n ", data->winname);
if (off < len && data->cmd != NULL)
off += cmd_prarg(buf + off, len - off, " ", data->cmd);
return (off);
}
|