Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.54
1.54 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.53 2014/10/20 23:35:28 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();
92: if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
93: format_client(ft, c);
94: format_session(ft, s);
95: format_winlink(ft, s, s->curw);
96: format_window_pane(ft, s->curw->window->active);
97: cp = format_expand(ft, args_get(args, 'c'));
98: format_free(ft);
99:
1.48 nicm 100: if (cp != NULL && *cp != '\0') {
101: fd = open(cp, O_RDONLY|O_DIRECTORY);
102: free(cp);
103: if (fd == -1) {
104: cmdq_error(cmdq, "bad working directory: %s",
105: strerror(errno));
106: return (CMD_RETURN_ERROR);
107: }
108: } else if (cp != NULL)
109: free(cp);
1.46 nicm 110: cwd = fd;
1.47 nicm 111: } else if (cmdq->client != NULL && cmdq->client->session == NULL)
1.46 nicm 112: cwd = cmdq->client->cwd;
113: else
114: cwd = s->cwd;
1.1 nicm 115:
1.15 nicm 116: type = LAYOUT_TOPBOTTOM;
1.22 nicm 117: if (args_has(args, 'h'))
1.15 nicm 118: type = LAYOUT_LEFTRIGHT;
119:
1.5 nicm 120: size = -1;
1.23 nicm 121: if (args_has(args, 'l')) {
122: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 123: if (cause != NULL) {
1.24 nicm 124: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 125: free(cause);
1.24 nicm 126: cause = new_cause;
127: goto error;
1.22 nicm 128: }
129: } else if (args_has(args, 'p')) {
130: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
131: if (cause != NULL) {
1.24 nicm 132: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 133: free(cause);
1.24 nicm 134: cause = new_cause;
135: goto error;
1.22 nicm 136: }
1.15 nicm 137: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 138: size = (wp->sy * percentage) / 100;
1.15 nicm 139: else
1.22 nicm 140: size = (wp->sx * percentage) / 100;
1.15 nicm 141: }
1.5 nicm 142: hlimit = options_get_number(&s->options, "history-limit");
143:
1.11 nicm 144: shell = options_get_string(&s->options, "default-shell");
145: if (*shell == '\0' || areshell(shell))
146: shell = _PATH_BSHELL;
147:
1.54 ! nicm 148: lc = layout_split_pane(wp, type, size, args_has(args, 'b'));
! 149: if (lc == NULL) {
1.5 nicm 150: cause = xstrdup("pane too small");
151: goto error;
1.1 nicm 152: }
1.19 nicm 153: new_wp = window_add_pane(w, hlimit);
1.49 nicm 154:
155: path = NULL;
156: if (cmdq->client != NULL && cmdq->client->session == NULL)
157: envent = environ_find(&cmdq->client->environ, "PATH");
158: else
159: envent = environ_find(&s->environ, "PATH");
160: if (envent != NULL)
161: path = envent->value;
162:
1.50 nicm 163: if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, &env,
164: s->tio, &cause) != 0)
1.19 nicm 165: goto error;
166: layout_assign_pane(lc, new_wp);
1.5 nicm 167:
1.1 nicm 168: server_redraw_window(w);
169:
1.22 nicm 170: if (!args_has(args, 'd')) {
1.17 nicm 171: window_set_active_pane(w, new_wp);
1.1 nicm 172: session_select(s, wl->idx);
173: server_redraw_session(s);
174: } else
175: server_status_session(s);
176:
1.8 nicm 177: environ_free(&env);
1.21 nicm 178:
1.22 nicm 179: if (args_has(args, 'P')) {
1.33 nicm 180: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 181: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 182:
183: ft = format_create();
1.40 nicm 184: if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
185: format_client(ft, c);
1.30 nicm 186: format_session(ft, s);
187: format_winlink(ft, s, wl);
188: format_window_pane(ft, new_wp);
189:
190: cp = format_expand(ft, template);
1.40 nicm 191: cmdq_print(cmdq, "%s", cp);
1.34 nicm 192: free(cp);
1.30 nicm 193:
194: format_free(ft);
1.21 nicm 195: }
1.32 nicm 196: notify_window_layout_changed(w);
1.46 nicm 197:
198: if (fd != -1)
199: close(fd);
1.35 nicm 200: return (CMD_RETURN_NORMAL);
1.5 nicm 201:
202: error:
1.8 nicm 203: environ_free(&env);
1.17 nicm 204: if (new_wp != NULL)
205: window_remove_pane(w, new_wp);
1.40 nicm 206: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 207: free(cause);
1.46 nicm 208: if (fd != -1)
209: close(fd);
1.35 nicm 210: return (CMD_RETURN_ERROR);
1.1 nicm 211: }
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