Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.55
1.55 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.54 2014/11/12 22:57:06 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2009 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:
1.46 nicm 21: #include <errno.h>
22: #include <fcntl.h>
1.11 nicm 23: #include <paths.h>
1.1 nicm 24: #include <stdlib.h>
1.46 nicm 25: #include <string.h>
1.1 nicm 26: #include <unistd.h>
27:
28: #include "tmux.h"
29:
30: /*
31: * Split a window (add a new pane).
32: */
1.53 nicm 33:
34: #define SPLIT_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
1.1 nicm 35:
1.40 nicm 36: enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_q *);
1.1 nicm 37:
38: const struct cmd_entry cmd_split_window_entry = {
39: "split-window", "splitw",
1.54 nicm 40: "bc:dF:l:hp:Pt:v", 0, -1,
41: "[-bdhvP] [-c start-directory] [-F format] [-p percentage|-l size] "
1.37 nicm 42: CMD_TARGET_PANE_USAGE " [command]",
1.22 nicm 43: 0,
44: cmd_split_window_exec
1.1 nicm 45: };
46:
1.35 nicm 47: enum cmd_retval
1.40 nicm 48: cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 49: {
1.22 nicm 50: struct args *args = self->args;
51: struct session *s;
52: struct winlink *wl;
53: struct window *w;
54: struct window_pane *wp, *new_wp = NULL;
55: struct environ env;
1.49 nicm 56: const char *cmd, *path, *shell, *template;
1.50 nicm 57: char **argv, *cause, *new_cause, *cp;
1.30 nicm 58: u_int hlimit;
1.50 nicm 59: int argc, size, percentage, cwd, fd = -1;
1.22 nicm 60: enum layout_type type;
61: struct layout_cell *lc;
1.30 nicm 62: struct client *c;
63: struct format_tree *ft;
1.49 nicm 64: struct environ_entry *envent;
1.1 nicm 65:
1.40 nicm 66: if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
1.35 nicm 67: return (CMD_RETURN_ERROR);
1.1 nicm 68: w = wl->window;
1.41 nicm 69: server_unzoom_window(w);
1.1 nicm 70:
1.8 nicm 71: environ_init(&env);
72: environ_copy(&global_environ, &env);
73: environ_copy(&s->environ, &env);
74: server_fill_environ(s, &env);
1.1 nicm 75:
1.50 nicm 76: if (args->argc == 0) {
1.1 nicm 77: cmd = options_get_string(&s->options, "default-command");
1.50 nicm 78: if (cmd != NULL && *cmd != '\0') {
79: argc = 1;
1.51 nicm 80: argv = (char **)&cmd;
1.50 nicm 81: } else {
82: argc = 0;
83: argv = NULL;
84: }
85: } else {
86: argc = args->argc;
87: argv = args->argv;
88: }
1.46 nicm 89:
90: if (args_has(args, 'c')) {
91: ft = format_create();
1.55 ! nicm 92: format_defaults(ft, cmd_find_client(cmdq, NULL, 1), s, NULL,
! 93: NULL);
1.46 nicm 94: cp = format_expand(ft, args_get(args, 'c'));
95: format_free(ft);
96:
1.48 nicm 97: if (cp != NULL && *cp != '\0') {
98: fd = open(cp, O_RDONLY|O_DIRECTORY);
99: free(cp);
100: if (fd == -1) {
101: cmdq_error(cmdq, "bad working directory: %s",
102: strerror(errno));
103: return (CMD_RETURN_ERROR);
104: }
105: } else if (cp != NULL)
106: free(cp);
1.46 nicm 107: cwd = fd;
1.47 nicm 108: } else if (cmdq->client != NULL && cmdq->client->session == NULL)
1.46 nicm 109: cwd = cmdq->client->cwd;
110: else
111: cwd = s->cwd;
1.1 nicm 112:
1.15 nicm 113: type = LAYOUT_TOPBOTTOM;
1.22 nicm 114: if (args_has(args, 'h'))
1.15 nicm 115: type = LAYOUT_LEFTRIGHT;
116:
1.5 nicm 117: size = -1;
1.23 nicm 118: if (args_has(args, 'l')) {
119: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 120: if (cause != NULL) {
1.24 nicm 121: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 122: free(cause);
1.24 nicm 123: cause = new_cause;
124: goto error;
1.22 nicm 125: }
126: } else if (args_has(args, 'p')) {
127: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
128: if (cause != NULL) {
1.24 nicm 129: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 130: free(cause);
1.24 nicm 131: cause = new_cause;
132: goto error;
1.22 nicm 133: }
1.15 nicm 134: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 135: size = (wp->sy * percentage) / 100;
1.15 nicm 136: else
1.22 nicm 137: size = (wp->sx * percentage) / 100;
1.15 nicm 138: }
1.5 nicm 139: hlimit = options_get_number(&s->options, "history-limit");
140:
1.11 nicm 141: shell = options_get_string(&s->options, "default-shell");
142: if (*shell == '\0' || areshell(shell))
143: shell = _PATH_BSHELL;
144:
1.54 nicm 145: lc = layout_split_pane(wp, type, size, args_has(args, 'b'));
146: if (lc == NULL) {
1.5 nicm 147: cause = xstrdup("pane too small");
148: goto error;
1.1 nicm 149: }
1.19 nicm 150: new_wp = window_add_pane(w, hlimit);
1.49 nicm 151:
152: path = NULL;
153: if (cmdq->client != NULL && cmdq->client->session == NULL)
154: envent = environ_find(&cmdq->client->environ, "PATH");
155: else
156: envent = environ_find(&s->environ, "PATH");
157: if (envent != NULL)
158: path = envent->value;
159:
1.50 nicm 160: if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, &env,
161: s->tio, &cause) != 0)
1.19 nicm 162: goto error;
163: layout_assign_pane(lc, new_wp);
1.5 nicm 164:
1.1 nicm 165: server_redraw_window(w);
166:
1.22 nicm 167: if (!args_has(args, 'd')) {
1.17 nicm 168: window_set_active_pane(w, new_wp);
1.1 nicm 169: session_select(s, wl->idx);
170: server_redraw_session(s);
171: } else
172: server_status_session(s);
173:
1.8 nicm 174: environ_free(&env);
1.21 nicm 175:
1.22 nicm 176: if (args_has(args, 'P')) {
1.33 nicm 177: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 178: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 179:
180: ft = format_create();
1.55 ! nicm 181: format_defaults(ft, cmd_find_client(cmdq, NULL, 1), s, wl,
! 182: new_wp);
1.30 nicm 183:
184: cp = format_expand(ft, template);
1.40 nicm 185: cmdq_print(cmdq, "%s", cp);
1.34 nicm 186: free(cp);
1.30 nicm 187:
188: format_free(ft);
1.21 nicm 189: }
1.32 nicm 190: notify_window_layout_changed(w);
1.46 nicm 191:
192: if (fd != -1)
193: close(fd);
1.35 nicm 194: return (CMD_RETURN_NORMAL);
1.5 nicm 195:
196: error:
1.8 nicm 197: environ_free(&env);
1.17 nicm 198: if (new_wp != NULL)
199: window_remove_pane(w, new_wp);
1.40 nicm 200: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 201: free(cause);
1.46 nicm 202: if (fd != -1)
203: close(fd);
1.35 nicm 204: return (CMD_RETURN_ERROR);
1.1 nicm 205: }
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