1 /* Id */ 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 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 void cmd_split_window_key_binding(struct cmd *, int); 34 enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_q *); 35 36 const struct cmd_entry cmd_split_window_entry = { 37 "split-window", "splitw", 38 "c:dF:l:hp:Pt:v", 0, 1, 39 "[-dhvP] [-c start-directory] [-F format] [-p percentage|-l size] " 40 CMD_TARGET_PANE_USAGE " [command]", 41 0, 42 cmd_split_window_key_binding, 43 cmd_split_window_exec 44 }; 45 46 void 47 cmd_split_window_key_binding(struct cmd *self, int key) 48 { 49 self->args = args_create(0); 50 if (key == '%') 51 args_set(self->args, 'h', NULL); 52 } 53 54 enum cmd_retval 55 cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq) 56 { 57 struct args *args = self->args; 58 struct session *s; 59 struct winlink *wl; 60 struct window *w; 61 struct window_pane *wp, *new_wp = NULL; 62 struct environ env; 63 const char *cmd, *shell, *template; 64 char *cause, *new_cause, *cp; 65 u_int hlimit; 66 int size, percentage, cwd, fd = -1; 67 enum layout_type type; 68 struct layout_cell *lc; 69 struct client *c; 70 struct format_tree *ft; 71 72 if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL) 73 return (CMD_RETURN_ERROR); 74 w = wl->window; 75 server_unzoom_window(w); 76 77 environ_init(&env); 78 environ_copy(&global_environ, &env); 79 environ_copy(&s->environ, &env); 80 server_fill_environ(s, &env); 81 82 if (args->argc == 0) 83 cmd = options_get_string(&s->options, "default-command"); 84 else 85 cmd = args->argv[0]; 86 87 if (args_has(args, 'c')) { 88 ft = format_create(); 89 if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) 90 format_client(ft, c); 91 format_session(ft, s); 92 format_winlink(ft, s, s->curw); 93 format_window_pane(ft, s->curw->window->active); 94 cp = format_expand(ft, args_get(args, 'c')); 95 format_free(ft); 96 97 if (cp != NULL && *cp != '\0') { 98 fd = open(cp, O_RDONLY|O_DIRECTORY); 99 free(cp); 100 if (fd == -1) { 101 cmdq_error(cmdq, "bad working directory: %s", 102 strerror(errno)); 103 return (CMD_RETURN_ERROR); 104 } 105 } else if (cp != NULL) 106 free(cp); 107 cwd = fd; 108 } else if (cmdq->client != NULL && cmdq->client->session == NULL) 109 cwd = cmdq->client->cwd; 110 else 111 cwd = s->cwd; 112 113 type = LAYOUT_TOPBOTTOM; 114 if (args_has(args, 'h')) 115 type = LAYOUT_LEFTRIGHT; 116 117 size = -1; 118 if (args_has(args, 'l')) { 119 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 120 if (cause != NULL) { 121 xasprintf(&new_cause, "size %s", cause); 122 free(cause); 123 cause = new_cause; 124 goto error; 125 } 126 } else if (args_has(args, 'p')) { 127 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 128 if (cause != NULL) { 129 xasprintf(&new_cause, "percentage %s", cause); 130 free(cause); 131 cause = new_cause; 132 goto error; 133 } 134 if (type == LAYOUT_TOPBOTTOM) 135 size = (wp->sy * percentage) / 100; 136 else 137 size = (wp->sx * percentage) / 100; 138 } 139 hlimit = options_get_number(&s->options, "history-limit"); 140 141 shell = options_get_string(&s->options, "default-shell"); 142 if (*shell == '\0' || areshell(shell)) 143 shell = _PATH_BSHELL; 144 145 if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) { 146 cause = xstrdup("pane too small"); 147 goto error; 148 } 149 new_wp = window_add_pane(w, hlimit); 150 if (window_pane_spawn( 151 new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0) 152 goto error; 153 layout_assign_pane(lc, new_wp); 154 155 server_redraw_window(w); 156 157 if (!args_has(args, 'd')) { 158 window_set_active_pane(w, new_wp); 159 session_select(s, wl->idx); 160 server_redraw_session(s); 161 } else 162 server_status_session(s); 163 164 environ_free(&env); 165 166 if (args_has(args, 'P')) { 167 if ((template = args_get(args, 'F')) == NULL) 168 template = SPLIT_WINDOW_TEMPLATE; 169 170 ft = format_create(); 171 if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) 172 format_client(ft, c); 173 format_session(ft, s); 174 format_winlink(ft, s, wl); 175 format_window_pane(ft, new_wp); 176 177 cp = format_expand(ft, template); 178 cmdq_print(cmdq, "%s", cp); 179 free(cp); 180 181 format_free(ft); 182 } 183 notify_window_layout_changed(w); 184 185 if (fd != -1) 186 close(fd); 187 return (CMD_RETURN_NORMAL); 188 189 error: 190 environ_free(&env); 191 if (new_wp != NULL) 192 window_remove_pane(w, new_wp); 193 cmdq_error(cmdq, "create pane failed: %s", cause); 194 free(cause); 195 if (fd != -1) 196 close(fd); 197 return (CMD_RETURN_ERROR); 198 } 199