Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.41
1.41 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.40 2013/03/24 09:54:10 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:
1.35 nicm 31: void cmd_split_window_key_binding(struct cmd *, int);
1.40 nicm 32: enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_q *);
1.1 nicm 33:
34: const struct cmd_entry cmd_split_window_entry = {
35: "split-window", "splitw",
1.30 nicm 36: "c:dF:l:hp:Pt:v", 0, 1,
37: "[-dhvP] [-c start-directory] [-F format] [-p percentage|-l size] "
1.37 nicm 38: CMD_TARGET_PANE_USAGE " [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:
1.35 nicm 53: enum cmd_retval
1.40 nicm 54: cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 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;
1.38 nicm 62: const char *cmd, *cwd, *shell, *prefix;
63: char *cause, *new_cause, *cmd1;
1.30 nicm 64: u_int hlimit;
1.22 nicm 65: int size, percentage;
66: enum layout_type type;
67: struct layout_cell *lc;
1.30 nicm 68: const char *template;
69: struct client *c;
70: struct format_tree *ft;
71: char *cp;
1.1 nicm 72:
1.40 nicm 73: if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
1.35 nicm 74: return (CMD_RETURN_ERROR);
1.1 nicm 75: w = wl->window;
1.41 ! nicm 76: server_unzoom_window(w);
1.1 nicm 77:
1.8 nicm 78: environ_init(&env);
79: environ_copy(&global_environ, &env);
80: environ_copy(&s->environ, &env);
81: server_fill_environ(s, &env);
1.1 nicm 82:
1.22 nicm 83: if (args->argc == 0)
1.1 nicm 84: cmd = options_get_string(&s->options, "default-command");
1.22 nicm 85: else
86: cmd = args->argv[0];
1.40 nicm 87: cwd = cmd_get_default_path(cmdq, args_get(args, 'c'));
1.1 nicm 88:
1.15 nicm 89: type = LAYOUT_TOPBOTTOM;
1.22 nicm 90: if (args_has(args, 'h'))
1.15 nicm 91: type = LAYOUT_LEFTRIGHT;
92:
1.5 nicm 93: size = -1;
1.23 nicm 94: if (args_has(args, 'l')) {
95: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 96: if (cause != NULL) {
1.24 nicm 97: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 98: free(cause);
1.24 nicm 99: cause = new_cause;
100: goto error;
1.22 nicm 101: }
102: } else if (args_has(args, 'p')) {
103: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
104: if (cause != NULL) {
1.24 nicm 105: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 106: free(cause);
1.24 nicm 107: cause = new_cause;
108: goto error;
1.22 nicm 109: }
1.15 nicm 110: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 111: size = (wp->sy * percentage) / 100;
1.15 nicm 112: else
1.22 nicm 113: size = (wp->sx * percentage) / 100;
1.15 nicm 114: }
1.5 nicm 115: hlimit = options_get_number(&s->options, "history-limit");
116:
1.11 nicm 117: shell = options_get_string(&s->options, "default-shell");
118: if (*shell == '\0' || areshell(shell))
119: shell = _PATH_BSHELL;
120:
1.29 nicm 121: if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) {
1.5 nicm 122: cause = xstrdup("pane too small");
123: goto error;
1.1 nicm 124: }
1.19 nicm 125: new_wp = window_add_pane(w, hlimit);
1.38 nicm 126:
127: if (*cmd != '\0') {
128: prefix = options_get_string(&w->options, "command-prefix");
129: xasprintf(&cmd1, "%s%s", prefix, cmd);
130: } else
131: cmd1 = xstrdup("");
132: if (window_pane_spawn(new_wp, cmd1, shell, cwd, &env, s->tio,
133: &cause) != 0) {
134: free(cmd1);
1.19 nicm 135: goto error;
1.38 nicm 136: }
137: free(cmd1);
1.19 nicm 138: layout_assign_pane(lc, new_wp);
1.5 nicm 139:
1.1 nicm 140: server_redraw_window(w);
141:
1.22 nicm 142: if (!args_has(args, 'd')) {
1.17 nicm 143: window_set_active_pane(w, new_wp);
1.1 nicm 144: session_select(s, wl->idx);
145: server_redraw_session(s);
146: } else
147: server_status_session(s);
148:
1.8 nicm 149: environ_free(&env);
1.21 nicm 150:
1.22 nicm 151: if (args_has(args, 'P')) {
1.33 nicm 152: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 153: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 154:
155: ft = format_create();
1.40 nicm 156: if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
157: format_client(ft, c);
1.30 nicm 158: format_session(ft, s);
159: format_winlink(ft, s, wl);
160: format_window_pane(ft, new_wp);
161:
162: cp = format_expand(ft, template);
1.40 nicm 163: cmdq_print(cmdq, "%s", cp);
1.34 nicm 164: free(cp);
1.30 nicm 165:
166: format_free(ft);
1.21 nicm 167: }
1.32 nicm 168: notify_window_layout_changed(w);
1.35 nicm 169: return (CMD_RETURN_NORMAL);
1.5 nicm 170:
171: error:
1.8 nicm 172: environ_free(&env);
1.17 nicm 173: if (new_wp != NULL)
174: window_remove_pane(w, new_wp);
1.40 nicm 175: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 176: free(cause);
1.35 nicm 177: return (CMD_RETURN_ERROR);
1.1 nicm 178: }
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