1 /* $OpenBSD$ */ 2 3 /* 4 * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com> 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 static enum cmd_retval cmd_split_window_exec(struct cmd *, 36 struct cmdq_item *); 37 38 const struct cmd_entry cmd_split_window_entry = { 39 .name = "split-window", 40 .alias = "splitw", 41 42 .args = { "bc:de:fF:hIl:p:Pt:v", 0, -1 }, 43 .usage = "[-bdefhIPv] [-c start-directory] [-e environment] " 44 "[-F format] [-p percentage|-l size] " CMD_TARGET_PANE_USAGE 45 " [command]", 46 47 .target = { 't', CMD_FIND_PANE, 0 }, 48 49 .flags = 0, 50 .exec = cmd_split_window_exec 51 }; 52 53 static enum cmd_retval 54 cmd_split_window_exec(struct cmd *self, struct cmdq_item *item) 55 { 56 struct args *args = self->args; 57 struct cmd_find_state *current = &item->shared->current; 58 struct spawn_context sc; 59 struct client *c = cmd_find_client(item, NULL, 1); 60 struct session *s = item->target.s; 61 struct winlink *wl = item->target.wl; 62 struct window_pane *wp = item->target.wp, *new_wp; 63 enum layout_type type; 64 struct layout_cell *lc; 65 struct cmd_find_state fs; 66 int size, percentage, flags, input; 67 const char *template, *add; 68 char *cause, *cp; 69 struct args_value *value; 70 71 if (args_has(args, 'h')) 72 type = LAYOUT_LEFTRIGHT; 73 else 74 type = LAYOUT_TOPBOTTOM; 75 if (args_has(args, 'l')) { 76 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 77 if (cause != NULL) { 78 cmdq_error(item, "create pane failed: -l %s", cause); 79 free(cause); 80 return (CMD_RETURN_ERROR); 81 } 82 } else if (args_has(args, 'p')) { 83 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 84 if (cause != NULL) { 85 cmdq_error(item, "create pane failed: -p %s", cause); 86 free(cause); 87 return (CMD_RETURN_ERROR); 88 } 89 if (type == LAYOUT_TOPBOTTOM) 90 size = (wp->sy * percentage) / 100; 91 else 92 size = (wp->sx * percentage) / 100; 93 } else 94 size = -1; 95 96 server_unzoom_window(wp->window); 97 input = (args_has(args, 'I') && args->argc == 0); 98 99 flags = 0; 100 if (args_has(args, 'b')) 101 flags |= SPAWN_BEFORE; 102 if (args_has(args, 'f')) 103 flags |= SPAWN_FULLSIZE; 104 if (input || (args->argc == 1 && *args->argv[0] == '\0')) 105 flags |= SPAWN_EMPTY; 106 107 lc = layout_split_pane(wp, type, size, flags); 108 if (lc == NULL) { 109 cmdq_error(item, "no space for new pane"); 110 return (CMD_RETURN_ERROR); 111 } 112 113 memset(&sc, 0, sizeof sc); 114 sc.item = item; 115 sc.s = s; 116 sc.wl = wl; 117 118 sc.wp0 = wp; 119 sc.lc = lc; 120 121 sc.name = NULL; 122 sc.argc = args->argc; 123 sc.argv = args->argv; 124 sc.environ = environ_create(); 125 126 add = args_first_value(args, 'e', &value); 127 while (add != NULL) { 128 environ_put(sc.environ, add); 129 add = args_next_value(&value); 130 } 131 132 sc.idx = -1; 133 sc.cwd = args_get(args, 'c'); 134 135 sc.flags = flags; 136 if (args_has(args, 'd')) 137 sc.flags |= SPAWN_DETACHED; 138 139 if ((new_wp = spawn_pane(&sc, &cause)) == NULL) { 140 layout_close_pane(new_wp); 141 cmdq_error(item, "create pane failed: %s", cause); 142 free(cause); 143 return (CMD_RETURN_ERROR); 144 } 145 if (input && window_pane_start_input(new_wp, item, &cause) != 0) { 146 layout_close_pane(new_wp); 147 window_remove_pane(wp->window, new_wp); 148 cmdq_error(item, "%s", cause); 149 free(cause); 150 return (CMD_RETURN_ERROR); 151 } 152 if (!args_has(args, 'd')) 153 cmd_find_from_winlink_pane(current, wl, new_wp, 0); 154 server_redraw_window(wp->window); 155 server_status_session(s); 156 157 if (args_has(args, 'P')) { 158 if ((template = args_get(args, 'F')) == NULL) 159 template = SPLIT_WINDOW_TEMPLATE; 160 cp = format_single(item, template, c, s, wl, new_wp); 161 cmdq_print(item, "%s", cp); 162 free(cp); 163 } 164 165 cmd_find_from_winlink_pane(&fs, wl, new_wp, 0); 166 cmdq_insert_hook(s, item, &fs, "after-split-window"); 167 168 environ_free(sc.environ); 169 if (input) 170 return (CMD_RETURN_WAIT); 171 return (CMD_RETURN_NORMAL); 172 } 173