Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.89
1.89 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.88 2018/03/01 12:53:08 nicm Exp $ */
1.1 nicm 2:
3: /*
1.68 nicm 4: * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.75 nicm 36: static enum cmd_retval cmd_split_window_exec(struct cmd *,
37: struct cmdq_item *);
1.1 nicm 38:
39: const struct cmd_entry cmd_split_window_entry = {
1.66 nicm 40: .name = "split-window",
41: .alias = "splitw",
42:
1.70 nicm 43: .args = { "bc:dfF:l:hp:Pt:v", 0, -1 },
44: .usage = "[-bdfhvP] [-c start-directory] [-F format] "
1.66 nicm 45: "[-p percentage|-l size] " CMD_TARGET_PANE_USAGE " [command]",
46:
1.83 nicm 47: .target = { 't', CMD_FIND_PANE, 0 },
1.67 nicm 48:
49: .flags = 0,
1.66 nicm 50: .exec = cmd_split_window_exec
1.1 nicm 51: };
52:
1.71 nicm 53: static enum cmd_retval
1.75 nicm 54: cmd_split_window_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 55: {
1.82 nicm 56: struct cmd_find_state *current = &item->shared->current;
1.22 nicm 57: struct args *args = self->args;
1.83 nicm 58: struct client *c = cmd_find_client(item, NULL, 1);
59: struct session *s = item->target.s;
60: struct winlink *wl = item->target.wl;
1.65 nicm 61: struct window *w = wl->window;
1.83 nicm 62: struct window_pane *wp = item->target.wp, *new_wp = NULL;
1.60 nicm 63: struct environ *env;
1.88 nicm 64: const char *cmd, *path, *shell, *template, *tmp;
65: char **argv, *cause, *new_cause, *cp, *cwd;
1.30 nicm 66: u_int hlimit;
1.89 ! nicm 67: int argc, size, percentage, before;
1.22 nicm 68: enum layout_type type;
69: struct layout_cell *lc;
1.49 nicm 70: struct environ_entry *envent;
1.73 nicm 71: struct cmd_find_state fs;
1.1 nicm 72:
1.41 nicm 73: server_unzoom_window(w);
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:
1.88 nicm 89: if ((tmp = args_get(args, 'c')) != NULL)
90: cwd = format_single(item, tmp, c, s, NULL, NULL);
91: else if (item->client != NULL && item->client->session == NULL)
92: cwd = xstrdup(item->client->cwd);
1.46 nicm 93: else
1.88 nicm 94: cwd = xstrdup(s->cwd);
1.1 nicm 95:
1.15 nicm 96: type = LAYOUT_TOPBOTTOM;
1.22 nicm 97: if (args_has(args, 'h'))
1.15 nicm 98: type = LAYOUT_LEFTRIGHT;
1.89 ! nicm 99: before = args_has(args, 'b');
1.15 nicm 100:
1.5 nicm 101: size = -1;
1.23 nicm 102: if (args_has(args, 'l')) {
103: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 104: if (cause != NULL) {
1.24 nicm 105: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 106: free(cause);
1.24 nicm 107: cause = new_cause;
108: goto error;
1.22 nicm 109: }
110: } else if (args_has(args, 'p')) {
111: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
112: if (cause != NULL) {
1.24 nicm 113: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 114: free(cause);
1.24 nicm 115: cause = new_cause;
116: goto error;
1.22 nicm 117: }
1.15 nicm 118: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 119: size = (wp->sy * percentage) / 100;
1.15 nicm 120: else
1.22 nicm 121: size = (wp->sx * percentage) / 100;
1.15 nicm 122: }
1.59 nicm 123: hlimit = options_get_number(s->options, "history-limit");
1.5 nicm 124:
1.59 nicm 125: shell = options_get_string(s->options, "default-shell");
1.11 nicm 126: if (*shell == '\0' || areshell(shell))
127: shell = _PATH_BSHELL;
128:
1.89 ! nicm 129: lc = layout_split_pane(wp, type, size, before, args_has(args, 'f'));
1.54 nicm 130: if (lc == NULL) {
1.5 nicm 131: cause = xstrdup("pane too small");
132: goto error;
1.1 nicm 133: }
1.89 ! nicm 134: new_wp = window_add_pane(w, wp, before, args_has(args, 'f'), hlimit);
1.85 nicm 135: layout_make_leaf(lc, new_wp);
1.49 nicm 136:
137: path = NULL;
1.75 nicm 138: if (item->client != NULL && item->client->session == NULL)
139: envent = environ_find(item->client->environ, "PATH");
1.49 nicm 140: else
1.60 nicm 141: envent = environ_find(s->environ, "PATH");
1.49 nicm 142: if (envent != NULL)
143: path = envent->value;
144:
1.84 nicm 145: env = environ_for_session(s, 0);
1.60 nicm 146: if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, env,
1.80 nicm 147: s->tio, &cause) != 0) {
148: environ_free(env);
1.19 nicm 149: goto error;
1.80 nicm 150: }
151: environ_free(env);
1.5 nicm 152:
1.85 nicm 153: layout_fix_panes(w, w->sx, w->sy);
1.1 nicm 154: server_redraw_window(w);
155:
1.22 nicm 156: if (!args_has(args, 'd')) {
1.17 nicm 157: window_set_active_pane(w, new_wp);
1.1 nicm 158: session_select(s, wl->idx);
1.87 nicm 159: cmd_find_from_session(current, s, 0);
1.1 nicm 160: server_redraw_session(s);
161: } else
162: server_status_session(s);
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;
1.79 nicm 167: cp = format_single(item, template, c, s, wl, new_wp);
1.75 nicm 168: cmdq_print(item, "%s", cp);
1.34 nicm 169: free(cp);
1.21 nicm 170: }
1.76 nicm 171: notify_window("window-layout-changed", w);
1.72 nicm 172:
1.87 nicm 173: cmd_find_from_winlink_pane(&fs, wl, new_wp, 0);
1.75 nicm 174: hooks_insert(s->hooks, item, &fs, "after-split-window");
1.74 nicm 175:
1.88 nicm 176: free(cwd);
1.35 nicm 177: return (CMD_RETURN_NORMAL);
1.5 nicm 178:
179: error:
1.57 nicm 180: if (new_wp != NULL) {
181: layout_close_pane(new_wp);
1.17 nicm 182: window_remove_pane(w, new_wp);
1.57 nicm 183: }
1.75 nicm 184: cmdq_error(item, "create pane failed: %s", cause);
1.34 nicm 185: free(cause);
1.61 nicm 186:
1.88 nicm 187: free(cwd);
1.35 nicm 188: return (CMD_RETURN_ERROR);
1.1 nicm 189: }
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