Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.29
1.29 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.28 2012/01/31 15:52:21 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:
1.11 nicm 21: #include <paths.h>
1.1 nicm 22: #include <stdlib.h>
23: #include <unistd.h>
24:
25: #include "tmux.h"
26:
27: /*
28: * Split a window (add a new pane).
29: */
30:
1.22 nicm 31: void cmd_split_window_key_binding(struct cmd *, int);
1.1 nicm 32: int cmd_split_window_exec(struct cmd *, struct cmd_ctx *);
33:
34: const struct cmd_entry cmd_split_window_entry = {
35: "split-window", "splitw",
1.28 nicm 36: "c:dl:hp:Pt:v", 0, 1,
37: "[-dhvP] [-c start-directory] [-p percentage|-l size] [-t target-pane] "
38: "[command]",
1.22 nicm 39: 0,
40: cmd_split_window_key_binding,
41: NULL,
42: cmd_split_window_exec
1.1 nicm 43: };
44:
45: void
1.22 nicm 46: cmd_split_window_key_binding(struct cmd *self, int key)
1.1 nicm 47: {
1.22 nicm 48: self->args = args_create(0);
49: if (key == '%')
50: args_set(self->args, 'h', NULL);
1.1 nicm 51: }
52:
53: int
54: cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx)
55: {
1.22 nicm 56: struct args *args = self->args;
57: struct session *s;
58: struct winlink *wl;
59: struct window *w;
60: struct window_pane *wp, *new_wp = NULL;
61: struct environ env;
1.27 nicm 62: const char *cmd, *cwd, *shell;
63: char *cause, *new_cause;
1.22 nicm 64: u_int hlimit, paneidx;
65: int size, percentage;
66: enum layout_type type;
67: struct layout_cell *lc;
1.1 nicm 68:
1.22 nicm 69: if ((wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp)) == NULL)
1.1 nicm 70: return (-1);
71: w = wl->window;
72:
1.8 nicm 73: environ_init(&env);
74: environ_copy(&global_environ, &env);
75: environ_copy(&s->environ, &env);
76: server_fill_environ(s, &env);
1.1 nicm 77:
1.22 nicm 78: if (args->argc == 0)
1.1 nicm 79: cmd = options_get_string(&s->options, "default-command");
1.22 nicm 80: else
81: cmd = args->argv[0];
1.28 nicm 82: cwd = cmd_get_default_path(ctx, args_get(args, 'c'));
1.1 nicm 83:
1.15 nicm 84: type = LAYOUT_TOPBOTTOM;
1.22 nicm 85: if (args_has(args, 'h'))
1.15 nicm 86: type = LAYOUT_LEFTRIGHT;
87:
1.5 nicm 88: size = -1;
1.23 nicm 89: if (args_has(args, 'l')) {
90: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 91: if (cause != NULL) {
1.24 nicm 92: xasprintf(&new_cause, "size %s", cause);
1.22 nicm 93: xfree(cause);
1.24 nicm 94: cause = new_cause;
95: goto error;
1.22 nicm 96: }
97: } else if (args_has(args, 'p')) {
98: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
99: if (cause != NULL) {
1.24 nicm 100: xasprintf(&new_cause, "percentage %s", cause);
1.22 nicm 101: xfree(cause);
1.24 nicm 102: cause = new_cause;
103: goto error;
1.22 nicm 104: }
1.15 nicm 105: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 106: size = (wp->sy * percentage) / 100;
1.15 nicm 107: else
1.22 nicm 108: size = (wp->sx * percentage) / 100;
1.15 nicm 109: }
1.5 nicm 110: hlimit = options_get_number(&s->options, "history-limit");
111:
1.11 nicm 112: shell = options_get_string(&s->options, "default-shell");
113: if (*shell == '\0' || areshell(shell))
114: shell = _PATH_BSHELL;
115:
1.29 ! nicm 116: if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) {
1.5 nicm 117: cause = xstrdup("pane too small");
118: goto error;
1.1 nicm 119: }
1.19 nicm 120: new_wp = window_add_pane(w, hlimit);
121: if (window_pane_spawn(
122: new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0)
123: goto error;
124: layout_assign_pane(lc, new_wp);
1.5 nicm 125:
1.1 nicm 126: server_redraw_window(w);
127:
1.22 nicm 128: if (!args_has(args, 'd')) {
1.17 nicm 129: window_set_active_pane(w, new_wp);
1.1 nicm 130: session_select(s, wl->idx);
131: server_redraw_session(s);
132: } else
133: server_status_session(s);
134:
1.8 nicm 135: environ_free(&env);
1.21 nicm 136:
1.22 nicm 137: if (args_has(args, 'P')) {
1.25 nicm 138: if (window_pane_index(new_wp, &paneidx) != 0)
139: fatalx("index not found");
1.21 nicm 140: ctx->print(ctx, "%s:%u.%u", s->name, wl->idx, paneidx);
141: }
1.1 nicm 142: return (0);
1.5 nicm 143:
144: error:
1.8 nicm 145: environ_free(&env);
1.17 nicm 146: if (new_wp != NULL)
147: window_remove_pane(w, new_wp);
1.5 nicm 148: ctx->error(ctx, "create pane failed: %s", cause);
149: xfree(cause);
150: return (-1);
1.1 nicm 151: }
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