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] [-l size] " CMD_TARGET_PANE_USAGE " [command]", 45 46 .target = { 't', CMD_FIND_PANE, 0 }, 47 48 .flags = 0, 49 .exec = cmd_split_window_exec 50 }; 51 52 static enum cmd_retval 53 cmd_split_window_exec(struct cmd *self, struct cmdq_item *item) 54 { 55 struct args *args = self->args; 56 struct cmd_find_state *current = &item->shared->current; 57 struct spawn_context sc; 58 struct client *c = cmd_find_client(item, NULL, 1); 59 struct session *s = item->target.s; 60 struct winlink *wl = item->target.wl; 61 struct window_pane *wp = item->target.wp, *new_wp; 62 enum layout_type type; 63 struct layout_cell *lc; 64 struct cmd_find_state fs; 65 int size, percentage, flags, input; 66 const char *template, *add, *errstr, *p; 67 char *cause, *cp, *copy; 68 size_t plen; 69 struct args_value *value; 70 71 if (args_has(args, 'h')) 72 type = LAYOUT_LEFTRIGHT; 73 else 74 type = LAYOUT_TOPBOTTOM; 75 if ((p = args_get(args, 'l')) != NULL) { 76 plen = strlen(p); 77 if (p[plen - 1] == '%') { 78 copy = xstrdup(p); 79 copy[plen - 1] = '\0'; 80 percentage = strtonum(copy, 0, INT_MAX, &errstr); 81 free(copy); 82 if (errstr != NULL) { 83 cmdq_error(item, "percentage %s", errstr); 84 return (CMD_RETURN_ERROR); 85 } 86 if (type == LAYOUT_TOPBOTTOM) 87 size = (wp->sy * percentage) / 100; 88 else 89 size = (wp->sx * percentage) / 100; 90 } else { 91 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 92 if (cause != NULL) { 93 cmdq_error(item, "lines %s", cause); 94 free(cause); 95 return (CMD_RETURN_ERROR); 96 } 97 } 98 } else if (args_has(args, 'p')) { 99 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 100 if (cause != NULL) { 101 cmdq_error(item, "create pane failed: -p %s", cause); 102 free(cause); 103 return (CMD_RETURN_ERROR); 104 } 105 if (type == LAYOUT_TOPBOTTOM) 106 size = (wp->sy * percentage) / 100; 107 else 108 size = (wp->sx * percentage) / 100; 109 } else 110 size = -1; 111 112 server_unzoom_window(wp->window); 113 input = (args_has(args, 'I') && args->argc == 0); 114 115 flags = 0; 116 if (args_has(args, 'b')) 117 flags |= SPAWN_BEFORE; 118 if (args_has(args, 'f')) 119 flags |= SPAWN_FULLSIZE; 120 if (input || (args->argc == 1 && *args->argv[0] == '\0')) 121 flags |= SPAWN_EMPTY; 122 123 lc = layout_split_pane(wp, type, size, flags); 124 if (lc == NULL) { 125 cmdq_error(item, "no space for new pane"); 126 return (CMD_RETURN_ERROR); 127 } 128 129 memset(&sc, 0, sizeof sc); 130 sc.item = item; 131 sc.s = s; 132 sc.wl = wl; 133 134 sc.wp0 = wp; 135 sc.lc = lc; 136 137 sc.name = NULL; 138 sc.argc = args->argc; 139 sc.argv = args->argv; 140 sc.environ = environ_create(); 141 142 add = args_first_value(args, 'e', &value); 143 while (add != NULL) { 144 environ_put(sc.environ, add); 145 add = args_next_value(&value); 146 } 147 148 sc.idx = -1; 149 sc.cwd = args_get(args, 'c'); 150 151 sc.flags = flags; 152 if (args_has(args, 'd')) 153 sc.flags |= SPAWN_DETACHED; 154 155 if ((new_wp = spawn_pane(&sc, &cause)) == NULL) { 156 cmdq_error(item, "create pane failed: %s", cause); 157 free(cause); 158 return (CMD_RETURN_ERROR); 159 } 160 if (input && window_pane_start_input(new_wp, item, &cause) != 0) { 161 layout_close_pane(new_wp); 162 window_remove_pane(wp->window, new_wp); 163 cmdq_error(item, "%s", cause); 164 free(cause); 165 return (CMD_RETURN_ERROR); 166 } 167 if (!args_has(args, 'd')) 168 cmd_find_from_winlink_pane(current, wl, new_wp, 0); 169 server_redraw_window(wp->window); 170 server_status_session(s); 171 172 if (args_has(args, 'P')) { 173 if ((template = args_get(args, 'F')) == NULL) 174 template = SPLIT_WINDOW_TEMPLATE; 175 cp = format_single(item, template, c, s, wl, new_wp); 176 cmdq_print(item, "%s", cp); 177 free(cp); 178 } 179 180 cmd_find_from_winlink_pane(&fs, wl, new_wp, 0); 181 cmdq_insert_hook(s, item, &fs, "after-split-window"); 182 183 environ_free(sc.environ); 184 if (input) 185 return (CMD_RETURN_WAIT); 186 return (CMD_RETURN_NORMAL); 187 } 188