1 /* $OpenBSD: cmd-split-window.c,v 1.42 2013/03/25 15:59:57 nicm Exp $ */ 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 <paths.h> 22 #include <stdlib.h> 23 #include <unistd.h> 24 25 #include "tmux.h" 26 27 /* 28 * Split a window (add a new pane). 29 */ 30 31 void cmd_split_window_key_binding(struct cmd *, int); 32 enum cmd_retval cmd_split_window_exec(struct cmd *, struct cmd_q *); 33 34 const struct cmd_entry cmd_split_window_entry = { 35 "split-window", "splitw", 36 "c:dF:l:hp:Pt:v", 0, 1, 37 "[-dhvP] [-c start-directory] [-F format] [-p percentage|-l size] " 38 CMD_TARGET_PANE_USAGE " [command]", 39 0, 40 cmd_split_window_key_binding, 41 NULL, 42 cmd_split_window_exec 43 }; 44 45 void 46 cmd_split_window_key_binding(struct cmd *self, int key) 47 { 48 self->args = args_create(0); 49 if (key == '%') 50 args_set(self->args, 'h', NULL); 51 } 52 53 enum cmd_retval 54 cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq) 55 { 56 struct args *args = self->args; 57 struct session *s; 58 struct winlink *wl; 59 struct window *w; 60 struct window_pane *wp, *new_wp = NULL; 61 struct environ env; 62 const char *cmd, *cwd, *shell; 63 char *cause, *new_cause; 64 u_int hlimit; 65 int size, percentage; 66 enum layout_type type; 67 struct layout_cell *lc; 68 const char *template; 69 struct client *c; 70 struct format_tree *ft; 71 char *cp; 72 73 if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL) 74 return (CMD_RETURN_ERROR); 75 w = wl->window; 76 server_unzoom_window(w); 77 78 environ_init(&env); 79 environ_copy(&global_environ, &env); 80 environ_copy(&s->environ, &env); 81 server_fill_environ(s, &env); 82 83 if (args->argc == 0) 84 cmd = options_get_string(&s->options, "default-command"); 85 else 86 cmd = args->argv[0]; 87 cwd = cmd_get_default_path(cmdq, args_get(args, 'c')); 88 89 type = LAYOUT_TOPBOTTOM; 90 if (args_has(args, 'h')) 91 type = LAYOUT_LEFTRIGHT; 92 93 size = -1; 94 if (args_has(args, 'l')) { 95 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 96 if (cause != NULL) { 97 xasprintf(&new_cause, "size %s", cause); 98 free(cause); 99 cause = new_cause; 100 goto error; 101 } 102 } else if (args_has(args, 'p')) { 103 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 104 if (cause != NULL) { 105 xasprintf(&new_cause, "percentage %s", cause); 106 free(cause); 107 cause = new_cause; 108 goto error; 109 } 110 if (type == LAYOUT_TOPBOTTOM) 111 size = (wp->sy * percentage) / 100; 112 else 113 size = (wp->sx * percentage) / 100; 114 } 115 hlimit = options_get_number(&s->options, "history-limit"); 116 117 shell = options_get_string(&s->options, "default-shell"); 118 if (*shell == '\0' || areshell(shell)) 119 shell = _PATH_BSHELL; 120 121 if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) { 122 cause = xstrdup("pane too small"); 123 goto error; 124 } 125 new_wp = window_add_pane(w, hlimit); 126 if (window_pane_spawn( 127 new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0) 128 goto error; 129 layout_assign_pane(lc, new_wp); 130 131 server_redraw_window(w); 132 133 if (!args_has(args, 'd')) { 134 window_set_active_pane(w, new_wp); 135 session_select(s, wl->idx); 136 server_redraw_session(s); 137 } else 138 server_status_session(s); 139 140 environ_free(&env); 141 142 if (args_has(args, 'P')) { 143 if ((template = args_get(args, 'F')) == NULL) 144 template = SPLIT_WINDOW_TEMPLATE; 145 146 ft = format_create(); 147 if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) 148 format_client(ft, c); 149 format_session(ft, s); 150 format_winlink(ft, s, wl); 151 format_window_pane(ft, new_wp); 152 153 cp = format_expand(ft, template); 154 cmdq_print(cmdq, "%s", cp); 155 free(cp); 156 157 format_free(ft); 158 } 159 notify_window_layout_changed(w); 160 return (CMD_RETURN_NORMAL); 161 162 error: 163 environ_free(&env); 164 if (new_wp != NULL) 165 window_remove_pane(w, new_wp); 166 cmdq_error(cmdq, "create pane failed: %s", cause); 167 free(cause); 168 return (CMD_RETURN_ERROR); 169 } 170