Annotation of src/usr.bin/tmux/cmd-switch-client.c, Revision 1.10
1.10 ! nicm 1: /* $OpenBSD: cmd-switch-client.c,v 1.9 2010/12/20 00:17:22 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
21: #include <stdlib.h>
22: #include <string.h>
23:
24: #include "tmux.h"
25:
26: /*
27: * Switch client to a different session.
28: */
29:
1.6 nicm 30: void cmd_switch_client_init(struct cmd *, int);
1.1 nicm 31: int cmd_switch_client_parse(struct cmd *, int, char **, char **);
32: int cmd_switch_client_exec(struct cmd *, struct cmd_ctx *);
33: void cmd_switch_client_free(struct cmd *);
34: size_t cmd_switch_client_print(struct cmd *, char *, size_t);
35:
36: struct cmd_switch_client_data {
37: char *name;
38: char *target;
1.8 nicm 39: int flag_last;
1.6 nicm 40: int flag_next;
41: int flag_previous;
1.1 nicm 42: };
43:
44: const struct cmd_entry cmd_switch_client_entry = {
45: "switch-client", "switchc",
1.8 nicm 46: "[-lnp] [-c target-client] [-t target-session]",
1.4 nicm 47: 0, "",
1.6 nicm 48: cmd_switch_client_init,
1.1 nicm 49: cmd_switch_client_parse,
50: cmd_switch_client_exec,
51: cmd_switch_client_free,
52: cmd_switch_client_print
53: };
54:
1.6 nicm 55: void
56: cmd_switch_client_init(struct cmd *self, int key)
57: {
58: struct cmd_switch_client_data *data;
59:
60: self->data = data = xmalloc(sizeof *data);
61: data->name = NULL;
62: data->target = NULL;
1.8 nicm 63: data->flag_last = 0;
1.6 nicm 64: data->flag_next = 0;
65: data->flag_previous = 0;
66:
67: switch (key) {
68: case '(':
69: data->flag_previous = 1;
70: break;
71: case ')':
72: data->flag_next = 1;
73: break;
1.8 nicm 74: case 'L':
75: data->flag_last = 1;
76: break;
1.6 nicm 77: }
78: }
79:
1.1 nicm 80: int
81: cmd_switch_client_parse(struct cmd *self, int argc, char **argv, char **cause)
82: {
83: struct cmd_switch_client_data *data;
84: int opt;
85:
1.6 nicm 86: self->entry->init(self, KEYC_NONE);
87: data = self->data;
1.1 nicm 88:
1.8 nicm 89: while ((opt = getopt(argc, argv, "c:lnpt:")) != -1) {
1.1 nicm 90: switch (opt) {
91: case 'c':
1.5 nicm 92: if (data->name == NULL)
93: data->name = xstrdup(optarg);
1.1 nicm 94: break;
1.8 nicm 95: case 'l':
96: if (data->flag_next || data->flag_previous ||
97: data->target != NULL)
1.6 nicm 98: goto usage;
1.8 nicm 99: data->flag_last = 1;
1.1 nicm 100: break;
1.6 nicm 101: case 'n':
1.8 nicm 102: if (data->flag_previous || data->flag_last ||
103: data->target != NULL)
1.6 nicm 104: goto usage;
105: data->flag_next = 1;
106: break;
107: case 'p':
1.8 nicm 108: if (data->flag_next || data->flag_last ||
109: data->target != NULL)
1.6 nicm 110: goto usage;
111: data->flag_next = 1;
112: break;
1.8 nicm 113: case 't':
114: if (data->flag_next || data->flag_previous)
115: goto usage;
116: if (data->target == NULL)
117: data->target = xstrdup(optarg);
118: break;
1.1 nicm 119: default:
120: goto usage;
121: }
122: }
123: argc -= optind;
124: argv += optind;
125: if (argc != 0)
126: goto usage;
127:
128: return (0);
129:
130: usage:
131: xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
132:
133: self->entry->free(self);
134: return (-1);
135: }
136:
137: int
138: cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx)
139: {
140: struct cmd_switch_client_data *data = self->data;
141: struct client *c;
142: struct session *s;
143:
144: if (data == NULL)
145: return (0);
146:
147: if ((c = cmd_find_client(ctx, data->name)) == NULL)
148: return (-1);
1.6 nicm 149:
1.8 nicm 150: s = NULL;
1.6 nicm 151: if (data->flag_next) {
152: if ((s = session_next_session(c->session)) == NULL) {
153: ctx->error(ctx, "can't find next session");
154: return (-1);
155: }
156: } else if (data->flag_previous) {
157: if ((s = session_previous_session(c->session)) == NULL) {
158: ctx->error(ctx, "can't find previous session");
159: return (-1);
160: }
1.8 nicm 161: } else if (data->flag_last) {
1.9 nicm 162: if (c->last_session != NULL && session_alive(c->last_session))
163: s = c->last_session;
1.8 nicm 164: if (s == NULL) {
165: ctx->error(ctx, "can't find last session");
166: return (-1);
167: }
1.6 nicm 168: } else
169: s = cmd_find_session(ctx, data->target);
170: if (s == NULL)
1.1 nicm 171: return (-1);
1.8 nicm 172:
173: if (c->session != NULL)
1.9 nicm 174: c->last_session = c->session;
1.1 nicm 175: c->session = s;
1.10 ! nicm 176: session_update_activity(s);
1.1 nicm 177:
178: recalculate_sizes();
1.7 nicm 179: server_check_unattached();
1.1 nicm 180: server_redraw_client(c);
181:
182: return (0);
183: }
184:
185: void
186: cmd_switch_client_free(struct cmd *self)
187: {
188: struct cmd_switch_client_data *data = self->data;
189:
190: if (data->name != NULL)
191: xfree(data->name);
192: if (data->target != NULL)
193: xfree(data->target);
194: xfree(data);
195: }
196:
197: size_t
198: cmd_switch_client_print(struct cmd *self, char *buf, size_t len)
199: {
200: struct cmd_switch_client_data *data = self->data;
201: size_t off = 0;
202:
203: off += xsnprintf(buf, len, "%s", self->entry->name);
204: if (data == NULL)
205: return (off);
1.8 nicm 206: if (off < len && data->flag_last)
207: off += xsnprintf(buf + off, len - off, "%s", " -l");
1.6 nicm 208: if (off < len && data->flag_next)
209: off += xsnprintf(buf + off, len - off, "%s", " -n");
210: if (off < len && data->flag_previous)
211: off += xsnprintf(buf + off, len - off, "%s", " -p");
1.1 nicm 212: if (off < len && data->name != NULL)
213: off += cmd_prarg(buf + off, len - off, " -c ", data->name);
214: if (off < len && data->target != NULL)
215: off += cmd_prarg(buf + off, len - off, " -t ", data->target);
216: return (off);
217: }
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