Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.67
1.67 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.66 2015/12/13 21:53:57 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:
1.67 ! nicm 46: .tflag = CMD_PANE,
! 47:
! 48: .flags = 0,
1.66 nicm 49: .exec = cmd_split_window_exec
1.1 nicm 50: };
51:
1.35 nicm 52: enum cmd_retval
1.40 nicm 53: cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
1.1 nicm 54: {
1.22 nicm 55: struct args *args = self->args;
1.65 nicm 56: struct session *s = cmdq->state.tflag.s;
57: struct winlink *wl = cmdq->state.tflag.wl;
58: struct window *w = wl->window;
59: struct window_pane *wp = cmdq->state.tflag.wp, *new_wp = NULL;
1.60 nicm 60: struct environ *env;
1.61 nicm 61: const char *cmd, *path, *shell, *template, *cwd, *to_free;
1.50 nicm 62: char **argv, *cause, *new_cause, *cp;
1.30 nicm 63: u_int hlimit;
1.61 nicm 64: int argc, size, percentage;
1.22 nicm 65: enum layout_type type;
66: struct layout_cell *lc;
1.30 nicm 67: struct format_tree *ft;
1.49 nicm 68: struct environ_entry *envent;
1.1 nicm 69:
1.41 nicm 70: server_unzoom_window(w);
1.1 nicm 71:
1.60 nicm 72: env = environ_create();
73: environ_copy(global_environ, env);
74: environ_copy(s->environ, env);
75: server_fill_environ(s, env);
1.1 nicm 76:
1.50 nicm 77: if (args->argc == 0) {
1.59 nicm 78: cmd = options_get_string(s->options, "default-command");
1.50 nicm 79: if (cmd != NULL && *cmd != '\0') {
80: argc = 1;
1.51 nicm 81: argv = (char **)&cmd;
1.50 nicm 82: } else {
83: argc = 0;
84: argv = NULL;
85: }
86: } else {
87: argc = args->argc;
88: argv = args->argv;
89: }
1.46 nicm 90:
1.61 nicm 91: to_free = NULL;
1.46 nicm 92: if (args_has(args, 'c')) {
1.64 nicm 93: ft = format_create(cmdq, 0);
1.65 nicm 94: format_defaults(ft, cmdq->state.c, s, NULL, NULL);
1.61 nicm 95: to_free = cwd = format_expand(ft, args_get(args, 'c'));
1.46 nicm 96: format_free(ft);
1.47 nicm 97: } else if (cmdq->client != NULL && cmdq->client->session == NULL)
1.46 nicm 98: cwd = cmdq->client->cwd;
99: else
100: cwd = s->cwd;
1.1 nicm 101:
1.15 nicm 102: type = LAYOUT_TOPBOTTOM;
1.22 nicm 103: if (args_has(args, 'h'))
1.15 nicm 104: type = LAYOUT_LEFTRIGHT;
105:
1.5 nicm 106: size = -1;
1.23 nicm 107: if (args_has(args, 'l')) {
108: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 109: if (cause != NULL) {
1.24 nicm 110: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 111: free(cause);
1.24 nicm 112: cause = new_cause;
113: goto error;
1.22 nicm 114: }
115: } else if (args_has(args, 'p')) {
116: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
117: if (cause != NULL) {
1.24 nicm 118: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 119: free(cause);
1.24 nicm 120: cause = new_cause;
121: goto error;
1.22 nicm 122: }
1.15 nicm 123: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 124: size = (wp->sy * percentage) / 100;
1.15 nicm 125: else
1.22 nicm 126: size = (wp->sx * percentage) / 100;
1.15 nicm 127: }
1.59 nicm 128: hlimit = options_get_number(s->options, "history-limit");
1.5 nicm 129:
1.59 nicm 130: shell = options_get_string(s->options, "default-shell");
1.11 nicm 131: if (*shell == '\0' || areshell(shell))
132: shell = _PATH_BSHELL;
133:
1.54 nicm 134: lc = layout_split_pane(wp, type, size, args_has(args, 'b'));
135: if (lc == NULL) {
1.5 nicm 136: cause = xstrdup("pane too small");
137: goto error;
1.1 nicm 138: }
1.19 nicm 139: new_wp = window_add_pane(w, hlimit);
1.57 nicm 140: layout_assign_pane(lc, new_wp);
1.49 nicm 141:
142: path = NULL;
143: if (cmdq->client != NULL && cmdq->client->session == NULL)
1.60 nicm 144: envent = environ_find(cmdq->client->environ, "PATH");
1.49 nicm 145: else
1.60 nicm 146: envent = environ_find(s->environ, "PATH");
1.49 nicm 147: if (envent != NULL)
148: path = envent->value;
149:
1.60 nicm 150: if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, env,
1.50 nicm 151: s->tio, &cause) != 0)
1.19 nicm 152: goto error;
1.5 nicm 153:
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);
159: server_redraw_session(s);
160: } else
161: server_status_session(s);
162:
1.60 nicm 163: environ_free(env);
1.21 nicm 164:
1.22 nicm 165: if (args_has(args, 'P')) {
1.33 nicm 166: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 167: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 168:
1.64 nicm 169: ft = format_create(cmdq, 0);
1.65 nicm 170: format_defaults(ft, cmdq->state.c, s, wl, new_wp);
1.30 nicm 171:
172: cp = format_expand(ft, template);
1.40 nicm 173: cmdq_print(cmdq, "%s", cp);
1.34 nicm 174: free(cp);
1.30 nicm 175:
176: format_free(ft);
1.21 nicm 177: }
1.32 nicm 178: notify_window_layout_changed(w);
1.46 nicm 179:
1.61 nicm 180: if (to_free != NULL)
181: free((void *)to_free);
1.35 nicm 182: return (CMD_RETURN_NORMAL);
1.5 nicm 183:
184: error:
1.60 nicm 185: environ_free(env);
1.57 nicm 186: if (new_wp != NULL) {
187: layout_close_pane(new_wp);
1.17 nicm 188: window_remove_pane(w, new_wp);
1.57 nicm 189: }
1.40 nicm 190: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 191: free(cause);
1.61 nicm 192:
193: if (to_free != NULL)
194: free((void *)to_free);
1.35 nicm 195: return (CMD_RETURN_ERROR);
1.1 nicm 196: }
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