1 /* $OpenBSD: cmd-split-window.c,v 1.30 2012/03/04 20:50:53 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 int cmd_split_window_exec(struct cmd *, struct cmd_ctx *); 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 "[-t target-pane] [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 int 54 cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx) 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(ctx, args_get(args, 't'), &s, &wp)) == NULL) 74 return (-1); 75 w = wl->window; 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 cwd = cmd_get_default_path(ctx, args_get(args, 'c')); 87 88 type = LAYOUT_TOPBOTTOM; 89 if (args_has(args, 'h')) 90 type = LAYOUT_LEFTRIGHT; 91 92 size = -1; 93 if (args_has(args, 'l')) { 94 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 95 if (cause != NULL) { 96 xasprintf(&new_cause, "size %s", cause); 97 xfree(cause); 98 cause = new_cause; 99 goto error; 100 } 101 } else if (args_has(args, 'p')) { 102 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 103 if (cause != NULL) { 104 xasprintf(&new_cause, "percentage %s", cause); 105 xfree(cause); 106 cause = new_cause; 107 goto error; 108 } 109 if (type == LAYOUT_TOPBOTTOM) 110 size = (wp->sy * percentage) / 100; 111 else 112 size = (wp->sx * percentage) / 100; 113 } 114 hlimit = options_get_number(&s->options, "history-limit"); 115 116 shell = options_get_string(&s->options, "default-shell"); 117 if (*shell == '\0' || areshell(shell)) 118 shell = _PATH_BSHELL; 119 120 if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) { 121 cause = xstrdup("pane too small"); 122 goto error; 123 } 124 new_wp = window_add_pane(w, hlimit); 125 if (window_pane_spawn( 126 new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0) 127 goto error; 128 layout_assign_pane(lc, new_wp); 129 130 server_redraw_window(w); 131 132 if (!args_has(args, 'd')) { 133 window_set_active_pane(w, new_wp); 134 session_select(s, wl->idx); 135 server_redraw_session(s); 136 } else 137 server_status_session(s); 138 139 environ_free(&env); 140 141 if (args_has(args, 'P')) { 142 template = "#{session_name}:#{window_index}.#{pane_index}"; 143 if (args_has(args, 'F')) 144 template = args_get(args, 'F'); 145 146 ft = format_create(); 147 if ((c = cmd_find_client(ctx, NULL)) != 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 ctx->print(ctx, "%s", cp); 155 free(cp); 156 157 format_free(ft); 158 } 159 return (0); 160 161 error: 162 environ_free(&env); 163 if (new_wp != NULL) 164 window_remove_pane(w, new_wp); 165 ctx->error(ctx, "create pane failed: %s", cause); 166 xfree(cause); 167 return (-1); 168 } 169