Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.79
1.79 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.78 2017/02/27 13:07:57 nicm Exp $ */
1.1 nicm 2:
3: /*
1.68 nicm 4: * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.75 nicm 36: static enum cmd_retval cmd_split_window_exec(struct cmd *,
37: struct cmdq_item *);
1.1 nicm 38:
39: const struct cmd_entry cmd_split_window_entry = {
1.66 nicm 40: .name = "split-window",
41: .alias = "splitw",
42:
1.70 nicm 43: .args = { "bc:dfF:l:hp:Pt:v", 0, -1 },
44: .usage = "[-bdfhvP] [-c start-directory] [-F format] "
1.66 nicm 45: "[-p percentage|-l size] " CMD_TARGET_PANE_USAGE " [command]",
46:
1.67 nicm 47: .tflag = CMD_PANE,
48:
49: .flags = 0,
1.66 nicm 50: .exec = cmd_split_window_exec
1.1 nicm 51: };
52:
1.71 nicm 53: static enum cmd_retval
1.75 nicm 54: cmd_split_window_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 55: {
1.22 nicm 56: struct args *args = self->args;
1.79 ! nicm 57: struct client *c = item->state.c;
1.75 nicm 58: struct session *s = item->state.tflag.s;
59: struct winlink *wl = item->state.tflag.wl;
1.65 nicm 60: struct window *w = wl->window;
1.75 nicm 61: struct window_pane *wp = item->state.tflag.wp, *new_wp = NULL;
1.60 nicm 62: struct environ *env;
1.61 nicm 63: const char *cmd, *path, *shell, *template, *cwd, *to_free;
1.50 nicm 64: char **argv, *cause, *new_cause, *cp;
1.30 nicm 65: u_int hlimit;
1.61 nicm 66: int argc, size, percentage;
1.22 nicm 67: enum layout_type type;
68: struct layout_cell *lc;
1.49 nicm 69: struct environ_entry *envent;
1.73 nicm 70: struct cmd_find_state fs;
1.1 nicm 71:
1.41 nicm 72: server_unzoom_window(w);
1.1 nicm 73:
1.60 nicm 74: env = environ_create();
75: environ_copy(global_environ, env);
76: environ_copy(s->environ, env);
77: server_fill_environ(s, env);
1.1 nicm 78:
1.50 nicm 79: if (args->argc == 0) {
1.59 nicm 80: cmd = options_get_string(s->options, "default-command");
1.50 nicm 81: if (cmd != NULL && *cmd != '\0') {
82: argc = 1;
1.51 nicm 83: argv = (char **)&cmd;
1.50 nicm 84: } else {
85: argc = 0;
86: argv = NULL;
87: }
88: } else {
89: argc = args->argc;
90: argv = args->argv;
91: }
1.46 nicm 92:
1.61 nicm 93: to_free = NULL;
1.46 nicm 94: if (args_has(args, 'c')) {
1.79 ! nicm 95: cwd = args_get(args, 'c');
! 96: to_free = cwd = format_single(item, cwd, c, s, NULL, NULL);
1.75 nicm 97: } else if (item->client != NULL && item->client->session == NULL)
98: cwd = item->client->cwd;
1.46 nicm 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:
1.70 nicm 134: lc = layout_split_pane(wp, type, size, args_has(args, 'b'),
135: args_has(args, 'f'));
1.54 nicm 136: if (lc == NULL) {
1.5 nicm 137: cause = xstrdup("pane too small");
138: goto error;
1.1 nicm 139: }
1.78 nicm 140: new_wp = window_add_pane(w, wp, args_has(args, 'b'), hlimit);
1.57 nicm 141: layout_assign_pane(lc, new_wp);
1.49 nicm 142:
143: path = NULL;
1.75 nicm 144: if (item->client != NULL && item->client->session == NULL)
145: envent = environ_find(item->client->environ, "PATH");
1.49 nicm 146: else
1.60 nicm 147: envent = environ_find(s->environ, "PATH");
1.49 nicm 148: if (envent != NULL)
149: path = envent->value;
150:
1.60 nicm 151: if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, env,
1.50 nicm 152: s->tio, &cause) != 0)
1.19 nicm 153: goto error;
1.5 nicm 154:
1.1 nicm 155: server_redraw_window(w);
156:
1.22 nicm 157: if (!args_has(args, 'd')) {
1.17 nicm 158: window_set_active_pane(w, new_wp);
1.1 nicm 159: session_select(s, wl->idx);
160: server_redraw_session(s);
161: } else
162: server_status_session(s);
163:
1.60 nicm 164: environ_free(env);
1.21 nicm 165:
1.22 nicm 166: if (args_has(args, 'P')) {
1.33 nicm 167: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 168: template = SPLIT_WINDOW_TEMPLATE;
1.79 ! nicm 169: cp = format_single(item, template, c, s, wl, new_wp);
1.75 nicm 170: cmdq_print(item, "%s", cp);
1.34 nicm 171: free(cp);
1.21 nicm 172: }
1.76 nicm 173: notify_window("window-layout-changed", w);
1.72 nicm 174:
1.61 nicm 175: if (to_free != NULL)
176: free((void *)to_free);
1.73 nicm 177:
178: cmd_find_clear_state(&fs, NULL, 0);
179: fs.s = s;
180: fs.wl = wl;
181: fs.w = w;
182: fs.wp = new_wp;
183: cmd_find_log_state(__func__, &fs);
1.75 nicm 184: hooks_insert(s->hooks, item, &fs, "after-split-window");
1.74 nicm 185:
1.35 nicm 186: return (CMD_RETURN_NORMAL);
1.5 nicm 187:
188: error:
1.60 nicm 189: environ_free(env);
1.57 nicm 190: if (new_wp != NULL) {
191: layout_close_pane(new_wp);
1.17 nicm 192: window_remove_pane(w, new_wp);
1.57 nicm 193: }
1.75 nicm 194: cmdq_error(item, "create pane failed: %s", cause);
1.34 nicm 195: free(cause);
1.61 nicm 196:
197: if (to_free != NULL)
198: free((void *)to_free);
1.35 nicm 199: return (CMD_RETURN_ERROR);
1.1 nicm 200: }
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