Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.62
1.62 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.61 2015/10/31 08:13:58 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;
1.60 nicm 55: struct environ *env;
1.61 nicm 56: const char *cmd, *path, *shell, *template, *cwd, *to_free;
1.50 nicm 57: char **argv, *cause, *new_cause, *cp;
1.30 nicm 58: u_int hlimit;
1.61 nicm 59: int argc, size, percentage;
1.22 nicm 60: enum layout_type type;
61: struct layout_cell *lc;
1.30 nicm 62: struct format_tree *ft;
1.49 nicm 63: struct environ_entry *envent;
1.1 nicm 64:
1.40 nicm 65: if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
1.35 nicm 66: return (CMD_RETURN_ERROR);
1.1 nicm 67: w = wl->window;
1.41 nicm 68: server_unzoom_window(w);
1.1 nicm 69:
1.60 nicm 70: env = environ_create();
71: environ_copy(global_environ, env);
72: environ_copy(s->environ, env);
73: server_fill_environ(s, env);
1.1 nicm 74:
1.50 nicm 75: if (args->argc == 0) {
1.59 nicm 76: cmd = options_get_string(s->options, "default-command");
1.50 nicm 77: if (cmd != NULL && *cmd != '\0') {
78: argc = 1;
1.51 nicm 79: argv = (char **)&cmd;
1.50 nicm 80: } else {
81: argc = 0;
82: argv = NULL;
83: }
84: } else {
85: argc = args->argc;
86: argv = args->argv;
87: }
1.46 nicm 88:
1.61 nicm 89: to_free = NULL;
1.46 nicm 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);
1.61 nicm 94: to_free = cwd = format_expand(ft, args_get(args, 'c'));
1.46 nicm 95: format_free(ft);
1.47 nicm 96: } else if (cmdq->client != NULL && cmdq->client->session == NULL)
1.46 nicm 97: cwd = cmdq->client->cwd;
98: else
99: cwd = s->cwd;
1.1 nicm 100:
1.15 nicm 101: type = LAYOUT_TOPBOTTOM;
1.22 nicm 102: if (args_has(args, 'h'))
1.15 nicm 103: type = LAYOUT_LEFTRIGHT;
104:
1.5 nicm 105: size = -1;
1.23 nicm 106: if (args_has(args, 'l')) {
107: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 108: if (cause != NULL) {
1.24 nicm 109: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 110: free(cause);
1.24 nicm 111: cause = new_cause;
112: goto error;
1.22 nicm 113: }
114: } else if (args_has(args, 'p')) {
115: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
116: if (cause != NULL) {
1.24 nicm 117: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 118: free(cause);
1.24 nicm 119: cause = new_cause;
120: goto error;
1.22 nicm 121: }
1.15 nicm 122: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 123: size = (wp->sy * percentage) / 100;
1.15 nicm 124: else
1.22 nicm 125: size = (wp->sx * percentage) / 100;
1.15 nicm 126: }
1.59 nicm 127: hlimit = options_get_number(s->options, "history-limit");
1.5 nicm 128:
1.59 nicm 129: shell = options_get_string(s->options, "default-shell");
1.11 nicm 130: if (*shell == '\0' || areshell(shell))
131: shell = _PATH_BSHELL;
132:
1.54 nicm 133: lc = layout_split_pane(wp, type, size, args_has(args, 'b'));
134: if (lc == NULL) {
1.5 nicm 135: cause = xstrdup("pane too small");
136: goto error;
1.1 nicm 137: }
1.19 nicm 138: new_wp = window_add_pane(w, hlimit);
1.57 nicm 139: layout_assign_pane(lc, new_wp);
1.49 nicm 140:
141: path = NULL;
142: if (cmdq->client != NULL && cmdq->client->session == NULL)
1.60 nicm 143: envent = environ_find(cmdq->client->environ, "PATH");
1.49 nicm 144: else
1.60 nicm 145: envent = environ_find(s->environ, "PATH");
1.49 nicm 146: if (envent != NULL)
147: path = envent->value;
148:
1.60 nicm 149: if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, env,
1.50 nicm 150: s->tio, &cause) != 0)
1.19 nicm 151: goto error;
1.5 nicm 152:
1.1 nicm 153: server_redraw_window(w);
154:
1.22 nicm 155: if (!args_has(args, 'd')) {
1.17 nicm 156: window_set_active_pane(w, new_wp);
1.1 nicm 157: session_select(s, wl->idx);
158: server_redraw_session(s);
159: } else
160: server_status_session(s);
161:
1.60 nicm 162: environ_free(env);
1.21 nicm 163:
1.22 nicm 164: if (args_has(args, 'P')) {
1.33 nicm 165: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 166: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 167:
168: ft = format_create();
1.55 nicm 169: format_defaults(ft, cmd_find_client(cmdq, NULL, 1), s, wl,
170: new_wp);
1.30 nicm 171:
172: cp = format_expand(ft, template);
1.40 nicm 173: cmdq_print(cmdq, "%s", cp);
1.34 nicm 174: free(cp);
1.30 nicm 175:
176: format_free(ft);
1.21 nicm 177: }
1.32 nicm 178: notify_window_layout_changed(w);
1.46 nicm 179:
1.61 nicm 180: if (to_free != NULL)
181: free((void *)to_free);
1.35 nicm 182: return (CMD_RETURN_NORMAL);
1.5 nicm 183:
184: error:
1.60 nicm 185: environ_free(env);
1.57 nicm 186: if (new_wp != NULL) {
187: layout_close_pane(new_wp);
1.17 nicm 188: window_remove_pane(w, new_wp);
1.57 nicm 189: }
1.40 nicm 190: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 191: free(cause);
1.61 nicm 192:
193: if (to_free != NULL)
194: free((void *)to_free);
1.35 nicm 195: return (CMD_RETURN_ERROR);
1.1 nicm 196: }
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