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:vZ", 0, -1, NULL }, 43 .usage = "[-bdefhIPvZ] [-c start-directory] [-e environment] " 44 "[-F format] [-l size] " CMD_TARGET_PANE_USAGE 45 "[shell-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 = cmd_get_args(self); 57 struct cmd_find_state *current = cmdq_get_current(item); 58 struct cmd_find_state *target = cmdq_get_target(item); 59 struct spawn_context sc = { 0 }; 60 struct client *tc = cmdq_get_target_client(item); 61 struct session *s = target->s; 62 struct winlink *wl = target->wl; 63 struct window *w = wl->window; 64 struct window_pane *wp = target->wp, *new_wp; 65 enum layout_type type; 66 struct layout_cell *lc; 67 struct cmd_find_state fs; 68 int size, percentage, flags, input; 69 const char *template, *errstr, *p; 70 char *cause, *cp, *copy; 71 size_t plen; 72 struct args_value *av; 73 u_int count = args_count(args); 74 75 if (args_has(args, 'h')) 76 type = LAYOUT_LEFTRIGHT; 77 else 78 type = LAYOUT_TOPBOTTOM; 79 if ((p = args_get(args, 'l')) != NULL) { 80 plen = strlen(p); 81 if (p[plen - 1] == '%') { 82 copy = xstrdup(p); 83 copy[plen - 1] = '\0'; 84 percentage = strtonum(copy, 0, INT_MAX, &errstr); 85 free(copy); 86 if (errstr != NULL) { 87 cmdq_error(item, "percentage %s", errstr); 88 return (CMD_RETURN_ERROR); 89 } 90 if (args_has(args, 'f')) { 91 if (type == LAYOUT_TOPBOTTOM) 92 size = (w->sy * percentage) / 100; 93 else 94 size = (w->sx * percentage) / 100; 95 } else { 96 if (type == LAYOUT_TOPBOTTOM) 97 size = (wp->sy * percentage) / 100; 98 else 99 size = (wp->sx * percentage) / 100; 100 } 101 } else { 102 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 103 if (cause != NULL) { 104 cmdq_error(item, "lines %s", cause); 105 free(cause); 106 return (CMD_RETURN_ERROR); 107 } 108 } 109 } else if (args_has(args, 'p')) { 110 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 111 if (cause != NULL) { 112 cmdq_error(item, "create pane failed: -p %s", cause); 113 free(cause); 114 return (CMD_RETURN_ERROR); 115 } 116 if (args_has(args, 'f')) { 117 if (type == LAYOUT_TOPBOTTOM) 118 size = (w->sy * percentage) / 100; 119 else 120 size = (w->sx * percentage) / 100; 121 } else { 122 if (type == LAYOUT_TOPBOTTOM) 123 size = (wp->sy * percentage) / 100; 124 else 125 size = (wp->sx * percentage) / 100; 126 } 127 } else 128 size = -1; 129 130 window_push_zoom(wp->window, 1, args_has(args, 'Z')); 131 input = (args_has(args, 'I') && count == 0); 132 133 flags = 0; 134 if (args_has(args, 'b')) 135 flags |= SPAWN_BEFORE; 136 if (args_has(args, 'f')) 137 flags |= SPAWN_FULLSIZE; 138 if (input || (count == 1 && *args_string(args, 0) == '\0')) 139 flags |= SPAWN_EMPTY; 140 141 lc = layout_split_pane(wp, type, size, flags); 142 if (lc == NULL) { 143 cmdq_error(item, "no space for new pane"); 144 return (CMD_RETURN_ERROR); 145 } 146 147 sc.item = item; 148 sc.s = s; 149 sc.wl = wl; 150 151 sc.wp0 = wp; 152 sc.lc = lc; 153 154 args_to_vector(args, &sc.argc, &sc.argv); 155 sc.environ = environ_create(); 156 157 av = args_first_value(args, 'e'); 158 while (av != NULL) { 159 environ_put(sc.environ, av->string, 0); 160 av = args_next_value(av); 161 } 162 163 sc.idx = -1; 164 sc.cwd = args_get(args, 'c'); 165 166 sc.flags = flags; 167 if (args_has(args, 'd')) 168 sc.flags |= SPAWN_DETACHED; 169 if (args_has(args, 'Z')) 170 sc.flags |= SPAWN_ZOOM; 171 172 if ((new_wp = spawn_pane(&sc, &cause)) == NULL) { 173 cmdq_error(item, "create pane failed: %s", cause); 174 free(cause); 175 if (sc.argv != NULL) 176 cmd_free_argv(sc.argc, sc.argv); 177 environ_free(sc.environ); 178 return (CMD_RETURN_ERROR); 179 } 180 if (input) { 181 switch (window_pane_start_input(new_wp, item, &cause)) { 182 case -1: 183 server_client_remove_pane(new_wp); 184 layout_close_pane(new_wp); 185 window_remove_pane(wp->window, new_wp); 186 cmdq_error(item, "%s", cause); 187 free(cause); 188 if (sc.argv != NULL) 189 cmd_free_argv(sc.argc, sc.argv); 190 environ_free(sc.environ); 191 return (CMD_RETURN_ERROR); 192 case 1: 193 input = 0; 194 break; 195 } 196 } 197 if (!args_has(args, 'd')) 198 cmd_find_from_winlink_pane(current, wl, new_wp, 0); 199 window_pop_zoom(wp->window); 200 server_redraw_window(wp->window); 201 server_status_session(s); 202 203 if (args_has(args, 'P')) { 204 if ((template = args_get(args, 'F')) == NULL) 205 template = SPLIT_WINDOW_TEMPLATE; 206 cp = format_single(item, template, tc, s, wl, new_wp); 207 cmdq_print(item, "%s", cp); 208 free(cp); 209 } 210 211 cmd_find_from_winlink_pane(&fs, wl, new_wp, 0); 212 cmdq_insert_hook(s, item, &fs, "after-split-window"); 213 214 if (sc.argv != NULL) 215 cmd_free_argv(sc.argc, sc.argv); 216 environ_free(sc.environ); 217 if (input) 218 return (CMD_RETURN_WAIT); 219 return (CMD_RETURN_NORMAL); 220 } 221