Annotation of src/usr.bin/tmux/cmd-split-window.c, Revision 1.73
1.73 ! nicm 1: /* $OpenBSD: cmd-split-window.c,v 1.72 2016/10/13 10:01:49 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:
1.71 nicm 36: static 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:
1.70 nicm 42: .args = { "bc:dfF:l:hp:Pt:v", 0, -1 },
43: .usage = "[-bdfhvP] [-c start-directory] [-F format] "
1.66 nicm 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:
1.71 nicm 52: static 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;
1.73 ! nicm 69: struct cmd_find_state fs;
1.1 nicm 70:
1.41 nicm 71: server_unzoom_window(w);
1.1 nicm 72:
1.60 nicm 73: env = environ_create();
74: environ_copy(global_environ, env);
75: environ_copy(s->environ, env);
76: server_fill_environ(s, env);
1.1 nicm 77:
1.50 nicm 78: if (args->argc == 0) {
1.59 nicm 79: cmd = options_get_string(s->options, "default-command");
1.50 nicm 80: if (cmd != NULL && *cmd != '\0') {
81: argc = 1;
1.51 nicm 82: argv = (char **)&cmd;
1.50 nicm 83: } else {
84: argc = 0;
85: argv = NULL;
86: }
87: } else {
88: argc = args->argc;
89: argv = args->argv;
90: }
1.46 nicm 91:
1.61 nicm 92: to_free = NULL;
1.46 nicm 93: if (args_has(args, 'c')) {
1.64 nicm 94: ft = format_create(cmdq, 0);
1.65 nicm 95: format_defaults(ft, cmdq->state.c, s, NULL, NULL);
1.61 nicm 96: to_free = cwd = format_expand(ft, args_get(args, 'c'));
1.46 nicm 97: format_free(ft);
1.47 nicm 98: } else if (cmdq->client != NULL && cmdq->client->session == NULL)
1.46 nicm 99: cwd = cmdq->client->cwd;
100: else
101: cwd = s->cwd;
1.1 nicm 102:
1.15 nicm 103: type = LAYOUT_TOPBOTTOM;
1.22 nicm 104: if (args_has(args, 'h'))
1.15 nicm 105: type = LAYOUT_LEFTRIGHT;
106:
1.5 nicm 107: size = -1;
1.23 nicm 108: if (args_has(args, 'l')) {
109: size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
1.22 nicm 110: if (cause != NULL) {
1.24 nicm 111: xasprintf(&new_cause, "size %s", cause);
1.34 nicm 112: free(cause);
1.24 nicm 113: cause = new_cause;
114: goto error;
1.22 nicm 115: }
116: } else if (args_has(args, 'p')) {
117: percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
118: if (cause != NULL) {
1.24 nicm 119: xasprintf(&new_cause, "percentage %s", cause);
1.34 nicm 120: free(cause);
1.24 nicm 121: cause = new_cause;
122: goto error;
1.22 nicm 123: }
1.15 nicm 124: if (type == LAYOUT_TOPBOTTOM)
1.22 nicm 125: size = (wp->sy * percentage) / 100;
1.15 nicm 126: else
1.22 nicm 127: size = (wp->sx * percentage) / 100;
1.15 nicm 128: }
1.59 nicm 129: hlimit = options_get_number(s->options, "history-limit");
1.5 nicm 130:
1.59 nicm 131: shell = options_get_string(s->options, "default-shell");
1.11 nicm 132: if (*shell == '\0' || areshell(shell))
133: shell = _PATH_BSHELL;
134:
1.70 nicm 135: lc = layout_split_pane(wp, type, size, args_has(args, 'b'),
136: args_has(args, 'f'));
1.54 nicm 137: if (lc == NULL) {
1.5 nicm 138: cause = xstrdup("pane too small");
139: goto error;
1.1 nicm 140: }
1.69 nicm 141: new_wp = window_add_pane(w, wp, hlimit);
1.57 nicm 142: layout_assign_pane(lc, new_wp);
1.49 nicm 143:
144: path = NULL;
145: if (cmdq->client != NULL && cmdq->client->session == NULL)
1.60 nicm 146: envent = environ_find(cmdq->client->environ, "PATH");
1.49 nicm 147: else
1.60 nicm 148: envent = environ_find(s->environ, "PATH");
1.49 nicm 149: if (envent != NULL)
150: path = envent->value;
151:
1.60 nicm 152: if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, env,
1.50 nicm 153: s->tio, &cause) != 0)
1.19 nicm 154: goto error;
1.5 nicm 155:
1.1 nicm 156: server_redraw_window(w);
157:
1.22 nicm 158: if (!args_has(args, 'd')) {
1.17 nicm 159: window_set_active_pane(w, new_wp);
1.1 nicm 160: session_select(s, wl->idx);
161: server_redraw_session(s);
162: } else
163: server_status_session(s);
164:
1.60 nicm 165: environ_free(env);
1.21 nicm 166:
1.22 nicm 167: if (args_has(args, 'P')) {
1.33 nicm 168: if ((template = args_get(args, 'F')) == NULL)
1.36 nicm 169: template = SPLIT_WINDOW_TEMPLATE;
1.30 nicm 170:
1.64 nicm 171: ft = format_create(cmdq, 0);
1.65 nicm 172: format_defaults(ft, cmdq->state.c, s, wl, new_wp);
1.30 nicm 173:
174: cp = format_expand(ft, template);
1.40 nicm 175: cmdq_print(cmdq, "%s", cp);
1.34 nicm 176: free(cp);
1.30 nicm 177:
178: format_free(ft);
1.21 nicm 179: }
1.32 nicm 180: notify_window_layout_changed(w);
1.72 nicm 181:
1.61 nicm 182: if (to_free != NULL)
183: free((void *)to_free);
1.73 ! nicm 184:
! 185: cmd_find_clear_state(&fs, NULL, 0);
! 186: fs.s = s;
! 187: fs.wl = wl;
! 188: fs.w = w;
! 189: fs.wp = new_wp;
! 190: cmd_find_log_state(__func__, &fs);
! 191: if (hooks_wait(s->hooks, cmdq, &fs, "after-split-window") == 0)
! 192: return (CMD_RETURN_WAIT);
1.35 nicm 193: return (CMD_RETURN_NORMAL);
1.5 nicm 194:
195: error:
1.60 nicm 196: environ_free(env);
1.57 nicm 197: if (new_wp != NULL) {
198: layout_close_pane(new_wp);
1.17 nicm 199: window_remove_pane(w, new_wp);
1.57 nicm 200: }
1.40 nicm 201: cmdq_error(cmdq, "create pane failed: %s", cause);
1.34 nicm 202: free(cause);
1.61 nicm 203:
204: if (to_free != NULL)
205: free((void *)to_free);
1.35 nicm 206: return (CMD_RETURN_ERROR);
1.1 nicm 207: }
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