1 /* $OpenBSD: cmd-split-window.c,v 1.95 2019/05/03 20:44:24 nicm Exp $ */ 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 <paths.h> 24 #include <stdlib.h> 25 #include <string.h> 26 #include <unistd.h> 27 28 #include "tmux.h" 29 30 /* 31 * Split a window (add a new pane). 32 */ 33 34 #define SPLIT_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}" 35 36 static enum cmd_retval cmd_split_window_exec(struct cmd *, 37 struct cmdq_item *); 38 39 const struct cmd_entry cmd_split_window_entry = { 40 .name = "split-window", 41 .alias = "splitw", 42 43 .args = { "bc:de:fF:hIl:p:Pt:v", 0, -1 }, 44 .usage = "[-bdefhIPv] [-c start-directory] [-e environment] " 45 "[-F format] [-p percentage|-l size] " CMD_TARGET_PANE_USAGE 46 " [command]", 47 48 .target = { 't', CMD_FIND_PANE, 0 }, 49 50 .flags = 0, 51 .exec = cmd_split_window_exec 52 }; 53 54 static enum cmd_retval 55 cmd_split_window_exec(struct cmd *self, struct cmdq_item *item) 56 { 57 struct args *args = self->args; 58 struct cmd_find_state *current = &item->shared->current; 59 struct spawn_context sc; 60 struct client *c = cmd_find_client(item, NULL, 1); 61 struct session *s = item->target.s; 62 struct winlink *wl = item->target.wl; 63 struct window_pane *wp = item->target.wp, *new_wp; 64 enum layout_type type; 65 struct layout_cell *lc; 66 struct cmd_find_state fs; 67 int size, percentage, flags, input; 68 const char *template, *add; 69 char *cause, *cp; 70 struct args_value *value; 71 72 if (args_has(args, 'h')) 73 type = LAYOUT_LEFTRIGHT; 74 else 75 type = LAYOUT_TOPBOTTOM; 76 if (args_has(args, 'l')) { 77 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 78 if (cause != NULL) { 79 cmdq_error(item, "create pane failed: -l %s", cause); 80 free(cause); 81 return (CMD_RETURN_ERROR); 82 } 83 } else if (args_has(args, 'p')) { 84 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 85 if (cause != NULL) { 86 cmdq_error(item, "create pane failed: -p %s", cause); 87 free(cause); 88 return (CMD_RETURN_ERROR); 89 } 90 if (type == LAYOUT_TOPBOTTOM) 91 size = (wp->sy * percentage) / 100; 92 else 93 size = (wp->sx * percentage) / 100; 94 } else 95 size = -1; 96 97 server_unzoom_window(wp->window); 98 input = (args_has(args, 'I') && args->argc == 0); 99 100 flags = 0; 101 if (args_has(args, 'b')) 102 flags |= SPAWN_BEFORE; 103 if (args_has(args, 'f')) 104 flags |= SPAWN_FULLSIZE; 105 if (input || (args->argc == 1 && *args->argv[0] == '\0')) 106 flags |= SPAWN_EMPTY; 107 108 lc = layout_split_pane(wp, type, size, flags); 109 if (lc == NULL) { 110 cmdq_error(item, "no space for new pane"); 111 return (CMD_RETURN_ERROR); 112 } 113 114 memset(&sc, 0, sizeof sc); 115 sc.item = item; 116 sc.s = s; 117 sc.wl = wl; 118 119 sc.wp0 = wp; 120 sc.lc = lc; 121 122 sc.name = NULL; 123 sc.argc = args->argc; 124 sc.argv = args->argv; 125 sc.environ = environ_create(); 126 127 add = args_first_value(args, 'e', &value); 128 while (add != NULL) { 129 environ_put(sc.environ, add); 130 add = args_next_value(&value); 131 } 132 133 sc.idx = -1; 134 sc.cwd = args_get(args, 'c'); 135 136 sc.flags = flags; 137 if (args_has(args, 'd')) 138 sc.flags |= SPAWN_DETACHED; 139 140 if ((new_wp = spawn_pane(&sc, &cause)) == NULL) { 141 layout_close_pane(new_wp); 142 cmdq_error(item, "create pane failed: %s", cause); 143 free(cause); 144 return (CMD_RETURN_ERROR); 145 } 146 if (input && window_pane_start_input(new_wp, item, &cause) != 0) { 147 layout_close_pane(new_wp); 148 window_remove_pane(wp->window, new_wp); 149 cmdq_error(item, "%s", cause); 150 free(cause); 151 return (CMD_RETURN_ERROR); 152 } 153 if (!args_has(args, 'd')) 154 cmd_find_from_winlink_pane(current, wl, new_wp, 0); 155 server_redraw_window(wp->window); 156 server_status_session(s); 157 158 if (args_has(args, 'P')) { 159 if ((template = args_get(args, 'F')) == NULL) 160 template = SPLIT_WINDOW_TEMPLATE; 161 cp = format_single(item, template, c, s, wl, new_wp); 162 cmdq_print(item, "%s", cp); 163 free(cp); 164 } 165 166 cmd_find_from_winlink_pane(&fs, wl, new_wp, 0); 167 cmdq_insert_hook(s, item, &fs, "after-split-window"); 168 169 environ_free(sc.environ); 170 if (input) 171 return (CMD_RETURN_WAIT); 172 return (CMD_RETURN_NORMAL); 173 } 174