Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.49
1.49 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.48 2013/11/22 20:58:36 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",
1.30 nicm 39: "c:dF:l:hp:Pt:v", 0, 1,
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;
1.46 nicm 65: char *cause, *new_cause, *cp;
1.30 nicm 66: u_int hlimit;
1.46 nicm 67: int 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:
1.22 nicm 84: if (args->argc == 0)
1.1 nicm 85: cmd = options_get_string(&s->options, "default-command");
1.22 nicm 86: else
87: cmd = args->argv[0];
1.46 nicm 88:
89: if (args_has(args, 'c')) {
90: ft = format_create();
91: if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
92: format_client(ft, c);
93: format_session(ft, s);
94: format_winlink(ft, s, s->curw);
95: format_window_pane(ft, s->curw->window->active);
96: cp = format_expand(ft, args_get(args, 'c'));
97: format_free(ft);
98:
1.48 nicm 99: if (cp != NULL && *cp != '\0') {
100: fd = open(cp, O_RDONLY|O_DIRECTORY);
101: free(cp);
102: if (fd == -1) {
103: cmdq_error(cmdq, "bad working directory: %s",
104: strerror(errno));
105: return (CMD_RETURN_ERROR);
106: }
107: } else if (cp != NULL)
108: free(cp);
1.46 nicm 109: cwd = fd;
1.47 nicm 110: } else if (cmdq->client != NULL && cmdq->client->session == NULL)
1.46 nicm 111: cwd = cmdq->client->cwd;
112: else
113: cwd = s->cwd;
1.1 nicm 114:
1.15 nicm 115: type = LAYOUT_TOPBOTTOM;
1.22 nicm 116: if (args_has(args, 'h'))
1.15 nicm 117: type = LAYOUT_LEFTRIGHT;
118:
1.5 nicm 119: size = -1;
1.23 nicm 120: if (args_has(args, 'l')) {
121: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 122: if (cause != NULL) {
1.24 nicm 123: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 124: free(cause);
1.24 nicm 125: cause = new_cause;
126: goto error;
1.22 nicm 127: }
128: } else if (args_has(args, 'p')) {
129: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
130: if (cause != NULL) {
1.24 nicm 131: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 132: free(cause);
1.24 nicm 133: cause = new_cause;
134: goto error;
1.22 nicm 135: }
1.15 nicm 136: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 137: size = (wp->sy * percentage) / 100;
1.15 nicm 138: else
1.22 nicm 139: size = (wp->sx * percentage) / 100;
1.15 nicm 140: }
1.5 nicm 141: hlimit = options_get_number(&s->options, "history-limit");
142:
1.11 nicm 143: shell = options_get_string(&s->options, "default-shell");
144: if (*shell == '\0' || areshell(shell))
145: shell = _PATH_BSHELL;
146:
1.29 nicm 147: if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) {
1.5 nicm 148: cause = xstrdup("pane too small");
149: goto error;
1.1 nicm 150: }
1.19 nicm 151: new_wp = window_add_pane(w, hlimit);
1.49 ! nicm 152:
! 153: path = NULL;
! 154: if (cmdq->client != NULL && cmdq->client->session == NULL)
! 155: envent = environ_find(&cmdq->client->environ, "PATH");
! 156: else
! 157: envent = environ_find(&s->environ, "PATH");
! 158: if (envent != NULL)
! 159: path = envent->value;
! 160:
1.42 nicm 161: if (window_pane_spawn(
1.49 ! nicm 162: new_wp, cmd, path, shell, cwd, &env, s->tio, &cause) != 0)
1.19 nicm 163: goto error;
164: layout_assign_pane(lc, new_wp);
1.5 nicm 165:
1.1 nicm 166: server_redraw_window(w);
167:
1.22 nicm 168: if (!args_has(args, 'd')) {
1.17 nicm 169: window_set_active_pane(w, new_wp);
1.1 nicm 170: session_select(s, wl->idx);
171: server_redraw_session(s);
172: } else
173: server_status_session(s);
174:
1.8 nicm 175: environ_free(&env);
1.21 nicm 176:
1.22 nicm 177: if (args_has(args, 'P')) {
1.33 nicm 178: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 179: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 180:
181: ft = format_create();
1.40 nicm 182: if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
183: format_client(ft, c);
1.30 nicm 184: format_session(ft, s);
185: format_winlink(ft, s, wl);
186: format_window_pane(ft, new_wp);
187:
188: cp = format_expand(ft, template);
1.40 nicm 189: cmdq_print(cmdq, "%s", cp);
1.34 nicm 190: free(cp);
1.30 nicm 191:
192: format_free(ft);
1.21 nicm 193: }
1.32 nicm 194: notify_window_layout_changed(w);
1.46 nicm 195:
196: if (fd != -1)
197: close(fd);
1.35 nicm 198: return (CMD_RETURN_NORMAL);
1.5 nicm 199:
200: error:
1.8 nicm 201: environ_free(&env);
1.17 nicm 202: if (new_wp != NULL)
203: window_remove_pane(w, new_wp);
1.40 nicm 204: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 205: free(cause);
1.46 nicm 206: if (fd != -1)
207: close(fd);
1.35 nicm 208: return (CMD_RETURN_ERROR);
1.1 nicm 209: }
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