Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.26
1.26 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.25 2011/11/15 23:19:51 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",
1.22 nicm 36: "dl:hp:Pt:v", 0, 1,
1.21 nicm 37: "[-dhvP] [-p percentage|-l size] [-t target-pane] [command]",
1.22 nicm 38: 0,
39: cmd_split_window_key_binding,
40: NULL,
41: cmd_split_window_exec
1.1 nicm 42: };
43:
44: void
1.22 nicm 45: cmd_split_window_key_binding(struct cmd *self, int key)
1.1 nicm 46: {
1.22 nicm 47: self->args = args_create(0);
48: if (key == '%')
49: args_set(self->args, 'h', NULL);
1.1 nicm 50: }
51:
52: int
53: cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx)
54: {
1.22 nicm 55: struct args *args = self->args;
56: struct session *s;
57: struct winlink *wl;
58: struct window *w;
59: struct window_pane *wp, *new_wp = NULL;
60: struct environ env;
1.24 nicm 61: char *cmd, *cwd, *cause, *new_cause;
1.22 nicm 62: const char *shell;
63: u_int hlimit, paneidx;
64: int size, percentage;
65: enum layout_type type;
66: struct layout_cell *lc;
1.1 nicm 67:
1.22 nicm 68: if ((wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp)) == NULL)
1.1 nicm 69: return (-1);
70: w = wl->window;
71:
1.8 nicm 72: environ_init(&env);
73: environ_copy(&global_environ, &env);
74: environ_copy(&s->environ, &env);
75: server_fill_environ(s, &env);
1.1 nicm 76:
1.22 nicm 77: if (args->argc == 0)
1.1 nicm 78: cmd = options_get_string(&s->options, "default-command");
1.22 nicm 79: else
80: cmd = args->argv[0];
1.26 ! nicm 81: cwd = cmd_get_default_path(ctx);
1.1 nicm 82:
1.15 nicm 83: type = LAYOUT_TOPBOTTOM;
1.22 nicm 84: if (args_has(args, 'h'))
1.15 nicm 85: type = LAYOUT_LEFTRIGHT;
86:
1.5 nicm 87: size = -1;
1.23 nicm 88: if (args_has(args, 'l')) {
89: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 90: if (cause != NULL) {
1.24 nicm 91: xasprintf(&new_cause, "size %s", cause);
1.22 nicm 92: xfree(cause);
1.24 nicm 93: cause = new_cause;
94: goto error;
1.22 nicm 95: }
96: } else if (args_has(args, 'p')) {
97: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
98: if (cause != NULL) {
1.24 nicm 99: xasprintf(&new_cause, "percentage %s", cause);
1.22 nicm 100: xfree(cause);
1.24 nicm 101: cause = new_cause;
102: goto error;
1.22 nicm 103: }
1.15 nicm 104: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 105: size = (wp->sy * percentage) / 100;
1.15 nicm 106: else
1.22 nicm 107: size = (wp->sx * percentage) / 100;
1.15 nicm 108: }
1.5 nicm 109: hlimit = options_get_number(&s->options, "history-limit");
110:
1.11 nicm 111: shell = options_get_string(&s->options, "default-shell");
112: if (*shell == '\0' || areshell(shell))
113: shell = _PATH_BSHELL;
114:
1.19 nicm 115: if ((lc = layout_split_pane(wp, type, size)) == NULL) {
1.5 nicm 116: cause = xstrdup("pane too small");
117: goto error;
1.1 nicm 118: }
1.19 nicm 119: new_wp = window_add_pane(w, hlimit);
120: if (window_pane_spawn(
121: new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0)
122: goto error;
123: layout_assign_pane(lc, new_wp);
1.5 nicm 124:
1.1 nicm 125: server_redraw_window(w);
126:
1.22 nicm 127: if (!args_has(args, 'd')) {
1.17 nicm 128: window_set_active_pane(w, new_wp);
1.1 nicm 129: session_select(s, wl->idx);
130: server_redraw_session(s);
131: } else
132: server_status_session(s);
133:
1.8 nicm 134: environ_free(&env);
1.21 nicm 135:
1.22 nicm 136: if (args_has(args, 'P')) {
1.25 nicm 137: if (window_pane_index(new_wp, &paneidx) != 0)
138: fatalx("index not found");
1.21 nicm 139: ctx->print(ctx, "%s:%u.%u", s->name, wl->idx, paneidx);
140: }
1.1 nicm 141: return (0);
1.5 nicm 142:
143: error:
1.8 nicm 144: environ_free(&env);
1.17 nicm 145: if (new_wp != NULL)
146: window_remove_pane(w, new_wp);
1.5 nicm 147: ctx->error(ctx, "create pane failed: %s", cause);
148: xfree(cause);
149: return (-1);
1.1 nicm 150: }
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