cmd-split-window.c revision 1.2
1 /* $OpenBSD$ */ 2 3 /* 4 * Copyright (c) 2009 Nicholas Marriott <nicm (at) 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 21 #include <errno.h> 22 #include <fcntl.h> 23 #include <stdlib.h> 24 #include <string.h> 25 #include <unistd.h> 26 27 #include "tmux.h" 28 29 /* 30 * Split a window (add a new pane). 31 */ 32 33 #define SPLIT_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}" 34 35 enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_q *); 36 37 const struct cmd_entry cmd_split_window_entry = { 38 "split-window", "splitw", 39 "bc:dF:l:hp:Pt:v", 0, -1, 40 "[-bdhvP] [-c start-directory] [-F format] [-p percentage|-l size] " 41 CMD_TARGET_PANE_USAGE " [command]", 42 0, 43 cmd_split_window_exec 44 }; 45 46 enum cmd_retval 47 cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq) 48 { 49 struct args *args = self->args; 50 struct session *s; 51 struct winlink *wl; 52 struct window *w; 53 struct window_pane *wp, *new_wp = NULL; 54 struct environ env; 55 const char *cmd, *path, *shell, *template; 56 char **argv, *cause, *new_cause, *cp; 57 u_int hlimit; 58 int argc, size, percentage, cwd, fd = -1; 59 enum layout_type type; 60 struct layout_cell *lc; 61 struct format_tree *ft; 62 struct environ_entry *envent; 63 64 if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL) 65 return (CMD_RETURN_ERROR); 66 w = wl->window; 67 server_unzoom_window(w); 68 69 environ_init(&env); 70 environ_copy(&global_environ, &env); 71 environ_copy(&s->environ, &env); 72 server_fill_environ(s, &env); 73 74 if (args->argc == 0) { 75 cmd = options_get_string(&s->options, "default-command"); 76 if (cmd != NULL && *cmd != '\0') { 77 argc = 1; 78 argv = __UNCONST(&cmd); 79 } else { 80 argc = 0; 81 argv = NULL; 82 } 83 } else { 84 argc = args->argc; 85 argv = args->argv; 86 } 87 88 if (args_has(args, 'c')) { 89 ft = format_create(); 90 format_defaults(ft, cmd_find_client(cmdq, NULL, 1), s, NULL, 91 NULL); 92 cp = format_expand(ft, args_get(args, 'c')); 93 format_free(ft); 94 95 if (cp != NULL && *cp != '\0') { 96 fd = open(cp, O_RDONLY|O_DIRECTORY); 97 free(cp); 98 if (fd == -1) { 99 cmdq_error(cmdq, "bad working directory: %s", 100 strerror(errno)); 101 return (CMD_RETURN_ERROR); 102 } 103 } else if (cp != NULL) 104 free(cp); 105 cwd = fd; 106 } else if (cmdq->client != NULL && cmdq->client->session == NULL) 107 cwd = cmdq->client->cwd; 108 else 109 cwd = s->cwd; 110 111 type = LAYOUT_TOPBOTTOM; 112 if (args_has(args, 'h')) 113 type = LAYOUT_LEFTRIGHT; 114 115 size = -1; 116 if (args_has(args, 'l')) { 117 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 118 if (cause != NULL) { 119 xasprintf(&new_cause, "size %s", cause); 120 free(cause); 121 cause = new_cause; 122 goto error; 123 } 124 } else if (args_has(args, 'p')) { 125 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 126 if (cause != NULL) { 127 xasprintf(&new_cause, "percentage %s", cause); 128 free(cause); 129 cause = new_cause; 130 goto error; 131 } 132 if (type == LAYOUT_TOPBOTTOM) 133 size = (wp->sy * percentage) / 100; 134 else 135 size = (wp->sx * percentage) / 100; 136 } 137 hlimit = options_get_number(&s->options, "history-limit"); 138 139 shell = options_get_string(&s->options, "default-shell"); 140 if (*shell == '\0' || areshell(shell)) 141 shell = _PATH_BSHELL; 142 143 lc = layout_split_pane(wp, type, size, args_has(args, 'b')); 144 if (lc == NULL) { 145 cause = xstrdup("pane too small"); 146 goto error; 147 } 148 new_wp = window_add_pane(w, hlimit); 149 layout_assign_pane(lc, new_wp); 150 151 path = NULL; 152 if (cmdq->client != NULL && cmdq->client->session == NULL) 153 envent = environ_find(&cmdq->client->environ, "PATH"); 154 else 155 envent = environ_find(&s->environ, "PATH"); 156 if (envent != NULL) 157 path = envent->value; 158 159 if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, &env, 160 s->tio, &cause) != 0) 161 goto error; 162 163 server_redraw_window(w); 164 165 if (!args_has(args, 'd')) { 166 window_set_active_pane(w, new_wp); 167 session_select(s, wl->idx); 168 server_redraw_session(s); 169 } else 170 server_status_session(s); 171 172 environ_free(&env); 173 174 if (args_has(args, 'P')) { 175 if ((template = args_get(args, 'F')) == NULL) 176 template = SPLIT_WINDOW_TEMPLATE; 177 178 ft = format_create(); 179 format_defaults(ft, cmd_find_client(cmdq, NULL, 1), s, wl, 180 new_wp); 181 182 cp = format_expand(ft, template); 183 cmdq_print(cmdq, "%s", cp); 184 free(cp); 185 186 format_free(ft); 187 } 188 notify_window_layout_changed(w); 189 190 if (fd != -1) 191 close(fd); 192 return (CMD_RETURN_NORMAL); 193 194 error: 195 environ_free(&env); 196 if (new_wp != NULL) { 197 layout_close_pane(new_wp); 198 window_remove_pane(w, new_wp); 199 } 200 cmdq_error(cmdq, "create pane failed: %s", cause); 201 free(cause); 202 if (fd != -1) 203 close(fd); 204 return (CMD_RETURN_ERROR); 205 } 206
Indexes created Tue Mar 03 05:31:39 UTC 2026