Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.66
1.66 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.65 2015/12/13 14:32:38 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: */
1.53 nicm 33:
34: #define SPLIT_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
1.1 nicm 35:
1.40 nicm 36: enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_q *);
1.1 nicm 37:
38: const struct cmd_entry cmd_split_window_entry = {
1.66 ! nicm 39: .name = "split-window",
! 40: .alias = "splitw",
! 41:
! 42: .args = { "bc:dF:l:hp:Pt:v", 0, -1 },
! 43: .usage = "[-bdhvP] [-c start-directory] [-F format] "
! 44: "[-p percentage|-l size] " CMD_TARGET_PANE_USAGE " [command]",
! 45:
! 46: .flags = CMD_PANE_T,
! 47: .exec = cmd_split_window_exec
1.1 nicm 48: };
49:
1.35 nicm 50: enum cmd_retval
1.40 nicm 51: cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 52: {
1.22 nicm 53: struct args *args = self->args;
1.65 nicm 54: struct session *s = cmdq->state.tflag.s;
55: struct winlink *wl = cmdq->state.tflag.wl;
56: struct window *w = wl->window;
57: struct window_pane *wp = cmdq->state.tflag.wp, *new_wp = NULL;
1.60 nicm 58: struct environ *env;
1.61 nicm 59: const char *cmd, *path, *shell, *template, *cwd, *to_free;
1.50 nicm 60: char **argv, *cause, *new_cause, *cp;
1.30 nicm 61: u_int hlimit;
1.61 nicm 62: int argc, size, percentage;
1.22 nicm 63: enum layout_type type;
64: struct layout_cell *lc;
1.30 nicm 65: struct format_tree *ft;
1.49 nicm 66: struct environ_entry *envent;
1.1 nicm 67:
1.41 nicm 68: server_unzoom_window(w);
1.1 nicm 69:
1.60 nicm 70: env = environ_create();
71: environ_copy(global_environ, env);
72: environ_copy(s->environ, env);
73: server_fill_environ(s, env);
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:
1.61 nicm 89: to_free = NULL;
1.46 nicm 90: if (args_has(args, 'c')) {
1.64 nicm 91: ft = format_create(cmdq, 0);
1.65 nicm 92: format_defaults(ft, cmdq->state.c, s, NULL, NULL);
1.61 nicm 93: to_free = cwd = format_expand(ft, args_get(args, 'c'));
1.46 nicm 94: format_free(ft);
1.47 nicm 95: } else if (cmdq->client != NULL && cmdq->client->session == NULL)
1.46 nicm 96: cwd = cmdq->client->cwd;
97: else
98: cwd = s->cwd;
1.1 nicm 99:
1.15 nicm 100: type = LAYOUT_TOPBOTTOM;
1.22 nicm 101: if (args_has(args, 'h'))
1.15 nicm 102: type = LAYOUT_LEFTRIGHT;
103:
1.5 nicm 104: size = -1;
1.23 nicm 105: if (args_has(args, 'l')) {
106: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 107: if (cause != NULL) {
1.24 nicm 108: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 109: free(cause);
1.24 nicm 110: cause = new_cause;
111: goto error;
1.22 nicm 112: }
113: } else if (args_has(args, 'p')) {
114: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
115: if (cause != NULL) {
1.24 nicm 116: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 117: free(cause);
1.24 nicm 118: cause = new_cause;
119: goto error;
1.22 nicm 120: }
1.15 nicm 121: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 122: size = (wp->sy * percentage) / 100;
1.15 nicm 123: else
1.22 nicm 124: size = (wp->sx * percentage) / 100;
1.15 nicm 125: }
1.59 nicm 126: hlimit = options_get_number(s->options, "history-limit");
1.5 nicm 127:
1.59 nicm 128: shell = options_get_string(s->options, "default-shell");
1.11 nicm 129: if (*shell == '\0' || areshell(shell))
130: shell = _PATH_BSHELL;
131:
1.54 nicm 132: lc = layout_split_pane(wp, type, size, args_has(args, 'b'));
133: if (lc == NULL) {
1.5 nicm 134: cause = xstrdup("pane too small");
135: goto error;
1.1 nicm 136: }
1.19 nicm 137: new_wp = window_add_pane(w, hlimit);
1.57 nicm 138: layout_assign_pane(lc, new_wp);
1.49 nicm 139:
140: path = NULL;
141: if (cmdq->client != NULL && cmdq->client->session == NULL)
1.60 nicm 142: envent = environ_find(cmdq->client->environ, "PATH");
1.49 nicm 143: else
1.60 nicm 144: envent = environ_find(s->environ, "PATH");
1.49 nicm 145: if (envent != NULL)
146: path = envent->value;
147:
1.60 nicm 148: if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, env,
1.50 nicm 149: s->tio, &cause) != 0)
1.19 nicm 150: goto error;
1.5 nicm 151:
1.1 nicm 152: server_redraw_window(w);
153:
1.22 nicm 154: if (!args_has(args, 'd')) {
1.17 nicm 155: window_set_active_pane(w, new_wp);
1.1 nicm 156: session_select(s, wl->idx);
157: server_redraw_session(s);
158: } else
159: server_status_session(s);
160:
1.60 nicm 161: environ_free(env);
1.21 nicm 162:
1.22 nicm 163: if (args_has(args, 'P')) {
1.33 nicm 164: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 165: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 166:
1.64 nicm 167: ft = format_create(cmdq, 0);
1.65 nicm 168: format_defaults(ft, cmdq->state.c, s, wl, new_wp);
1.30 nicm 169:
170: cp = format_expand(ft, template);
1.40 nicm 171: cmdq_print(cmdq, "%s", cp);
1.34 nicm 172: free(cp);
1.30 nicm 173:
174: format_free(ft);
1.21 nicm 175: }
1.32 nicm 176: notify_window_layout_changed(w);
1.46 nicm 177:
1.61 nicm 178: if (to_free != NULL)
179: free((void *)to_free);
1.35 nicm 180: return (CMD_RETURN_NORMAL);
1.5 nicm 181:
182: error:
1.60 nicm 183: environ_free(env);
1.57 nicm 184: if (new_wp != NULL) {
185: layout_close_pane(new_wp);
1.17 nicm 186: window_remove_pane(w, new_wp);
1.57 nicm 187: }
1.40 nicm 188: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 189: free(cause);
1.61 nicm 190:
191: if (to_free != NULL)
192: free((void *)to_free);
1.35 nicm 193: return (CMD_RETURN_ERROR);
1.1 nicm 194: }
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