Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.51
1.51 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.50 2014/05/13 08:08:32 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: */
33:
1.35 nicm 34: void cmd_split_window_key_binding(struct cmd *, int);
1.40 nicm 35: enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_q *);
1.1 nicm 36:
37: const struct cmd_entry cmd_split_window_entry = {
38: "split-window", "splitw",
1.50 nicm 39: "c:dF:l:hp:Pt:v", 0, -1,
1.30 nicm 40: "[-dhvP] [-c start-directory] [-F format] [-p percentage|-l size] "
1.37 nicm 41: CMD_TARGET_PANE_USAGE " [command]",
1.22 nicm 42: 0,
1.44 nicm 43: cmd_split_window_key_binding,
1.22 nicm 44: cmd_split_window_exec
1.1 nicm 45: };
46:
47: void
1.22 nicm 48: cmd_split_window_key_binding(struct cmd *self, int key)
1.1 nicm 49: {
1.22 nicm 50: self->args = args_create(0);
51: if (key == '%')
52: args_set(self->args, 'h', NULL);
1.1 nicm 53: }
54:
1.35 nicm 55: enum cmd_retval
1.40 nicm 56: cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 57: {
1.22 nicm 58: struct args *args = self->args;
59: struct session *s;
60: struct winlink *wl;
61: struct window *w;
62: struct window_pane *wp, *new_wp = NULL;
63: struct environ env;
1.49 nicm 64: const char *cmd, *path, *shell, *template;
1.50 nicm 65: char **argv, *cause, *new_cause, *cp;
1.30 nicm 66: u_int hlimit;
1.50 nicm 67: int argc, size, percentage, cwd, fd = -1;
1.22 nicm 68: enum layout_type type;
69: struct layout_cell *lc;
1.30 nicm 70: struct client *c;
71: struct format_tree *ft;
1.49 nicm 72: struct environ_entry *envent;
1.1 nicm 73:
1.40 nicm 74: if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
1.35 nicm 75: return (CMD_RETURN_ERROR);
1.1 nicm 76: w = wl->window;
1.41 nicm 77: server_unzoom_window(w);
1.1 nicm 78:
1.8 nicm 79: environ_init(&env);
80: environ_copy(&global_environ, &env);
81: environ_copy(&s->environ, &env);
82: server_fill_environ(s, &env);
1.1 nicm 83:
1.50 nicm 84: if (args->argc == 0) {
1.1 nicm 85: cmd = options_get_string(&s->options, "default-command");
1.50 nicm 86: if (cmd != NULL && *cmd != '\0') {
87: argc = 1;
1.51 ! nicm 88: argv = (char **)&cmd;
1.50 nicm 89: } else {
90: argc = 0;
91: argv = NULL;
92: }
93: } else {
94: argc = args->argc;
95: argv = args->argv;
96: }
1.46 nicm 97:
98: if (args_has(args, 'c')) {
99: ft = format_create();
100: if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
101: format_client(ft, c);
102: format_session(ft, s);
103: format_winlink(ft, s, s->curw);
104: format_window_pane(ft, s->curw->window->active);
105: cp = format_expand(ft, args_get(args, 'c'));
106: format_free(ft);
107:
1.48 nicm 108: if (cp != NULL && *cp != '\0') {
109: fd = open(cp, O_RDONLY|O_DIRECTORY);
110: free(cp);
111: if (fd == -1) {
112: cmdq_error(cmdq, "bad working directory: %s",
113: strerror(errno));
114: return (CMD_RETURN_ERROR);
115: }
116: } else if (cp != NULL)
117: free(cp);
1.46 nicm 118: cwd = fd;
1.47 nicm 119: } else if (cmdq->client != NULL && cmdq->client->session == NULL)
1.46 nicm 120: cwd = cmdq->client->cwd;
121: else
122: cwd = s->cwd;
1.1 nicm 123:
1.15 nicm 124: type = LAYOUT_TOPBOTTOM;
1.22 nicm 125: if (args_has(args, 'h'))
1.15 nicm 126: type = LAYOUT_LEFTRIGHT;
127:
1.5 nicm 128: size = -1;
1.23 nicm 129: if (args_has(args, 'l')) {
130: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 131: if (cause != NULL) {
1.24 nicm 132: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 133: free(cause);
1.24 nicm 134: cause = new_cause;
135: goto error;
1.22 nicm 136: }
137: } else if (args_has(args, 'p')) {
138: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
139: if (cause != NULL) {
1.24 nicm 140: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 141: free(cause);
1.24 nicm 142: cause = new_cause;
143: goto error;
1.22 nicm 144: }
1.15 nicm 145: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 146: size = (wp->sy * percentage) / 100;
1.15 nicm 147: else
1.22 nicm 148: size = (wp->sx * percentage) / 100;
1.15 nicm 149: }
1.5 nicm 150: hlimit = options_get_number(&s->options, "history-limit");
151:
1.11 nicm 152: shell = options_get_string(&s->options, "default-shell");
153: if (*shell == '\0' || areshell(shell))
154: shell = _PATH_BSHELL;
155:
1.29 nicm 156: if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) {
1.5 nicm 157: cause = xstrdup("pane too small");
158: goto error;
1.1 nicm 159: }
1.19 nicm 160: new_wp = window_add_pane(w, hlimit);
1.49 nicm 161:
162: path = NULL;
163: if (cmdq->client != NULL && cmdq->client->session == NULL)
164: envent = environ_find(&cmdq->client->environ, "PATH");
165: else
166: envent = environ_find(&s->environ, "PATH");
167: if (envent != NULL)
168: path = envent->value;
169:
1.50 nicm 170: if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, &env,
171: s->tio, &cause) != 0)
1.19 nicm 172: goto error;
173: layout_assign_pane(lc, new_wp);
1.5 nicm 174:
1.1 nicm 175: server_redraw_window(w);
176:
1.22 nicm 177: if (!args_has(args, 'd')) {
1.17 nicm 178: window_set_active_pane(w, new_wp);
1.1 nicm 179: session_select(s, wl->idx);
180: server_redraw_session(s);
181: } else
182: server_status_session(s);
183:
1.8 nicm 184: environ_free(&env);
1.21 nicm 185:
1.22 nicm 186: if (args_has(args, 'P')) {
1.33 nicm 187: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 188: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 189:
190: ft = format_create();
1.40 nicm 191: if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
192: format_client(ft, c);
1.30 nicm 193: format_session(ft, s);
194: format_winlink(ft, s, wl);
195: format_window_pane(ft, new_wp);
196:
197: cp = format_expand(ft, template);
1.40 nicm 198: cmdq_print(cmdq, "%s", cp);
1.34 nicm 199: free(cp);
1.30 nicm 200:
201: format_free(ft);
1.21 nicm 202: }
1.32 nicm 203: notify_window_layout_changed(w);
1.46 nicm 204:
205: if (fd != -1)
206: close(fd);
1.35 nicm 207: return (CMD_RETURN_NORMAL);
1.5 nicm 208:
209: error:
1.8 nicm 210: environ_free(&env);
1.17 nicm 211: if (new_wp != NULL)
212: window_remove_pane(w, new_wp);
1.40 nicm 213: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 214: free(cause);
1.46 nicm 215: if (fd != -1)
216: close(fd);
1.35 nicm 217: return (CMD_RETURN_ERROR);
1.1 nicm 218: }