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, flags, input; 69 const char *template; 70 char *cause = NULL, *cp; 71 struct args_value *av; 72 u_int count = args_count(args), curval = 0; 73 74 type = LAYOUT_TOPBOTTOM; 75 if (args_has(args, 'h')) 76 type = LAYOUT_LEFTRIGHT; 77 78 /* If the 'p' flag is dropped then this bit can be moved into 'l'. */ 79 if (args_has(args, 'l') || args_has(args, 'p')) { 80 if (args_has(args, 'f')) { 81 if (type == LAYOUT_TOPBOTTOM) 82 curval = w->sy; 83 else 84 curval = w->sx; 85 } else { 86 if (type == LAYOUT_TOPBOTTOM) 87 curval = wp->sy; 88 else 89 curval = wp->sx; 90 } 91 } 92 93 size = -1; 94 if (args_has(args, 'l')) { 95 size = args_percentage_and_expand(args, 'l', 0, INT_MAX, curval, 96 item, &cause); 97 } else if (args_has(args, 'p')) { 98 size = args_strtonum_and_expand(args, 'p', 0, 100, item, 99 &cause); 100 if (cause == NULL) 101 size = curval * size / 100; 102 } 103 if (cause != NULL) { 104 cmdq_error(item, "size %s", cause); 105 free(cause); 106 return (CMD_RETURN_ERROR); 107 } 108 109 window_push_zoom(wp->window, 1, args_has(args, 'Z')); 110 input = (args_has(args, 'I') && count == 0); 111 112 flags = 0; 113 if (args_has(args, 'b')) 114 flags |= SPAWN_BEFORE; 115 if (args_has(args, 'f')) 116 flags |= SPAWN_FULLSIZE; 117 if (input || (count == 1 && *args_string(args, 0) == '\0')) 118 flags |= SPAWN_EMPTY; 119 120 lc = layout_split_pane(wp, type, size, flags); 121 if (lc == NULL) { 122 cmdq_error(item, "no space for new pane"); 123 return (CMD_RETURN_ERROR); 124 } 125 126 sc.item = item; 127 sc.s = s; 128 sc.wl = wl; 129 130 sc.wp0 = wp; 131 sc.lc = lc; 132 133 args_to_vector(args, &sc.argc, &sc.argv); 134 sc.environ = environ_create(); 135 136 av = args_first_value(args, 'e'); 137 while (av != NULL) { 138 environ_put(sc.environ, av->string, 0); 139 av = args_next_value(av); 140 } 141 142 sc.idx = -1; 143 sc.cwd = args_get(args, 'c'); 144 145 sc.flags = flags; 146 if (args_has(args, 'd')) 147 sc.flags |= SPAWN_DETACHED; 148 if (args_has(args, 'Z')) 149 sc.flags |= SPAWN_ZOOM; 150 151 if ((new_wp = spawn_pane(&sc, &cause)) == NULL) { 152 cmdq_error(item, "create pane failed: %s", cause); 153 free(cause); 154 if (sc.argv != NULL) 155 cmd_free_argv(sc.argc, sc.argv); 156 environ_free(sc.environ); 157 return (CMD_RETURN_ERROR); 158 } 159 if (input) { 160 switch (window_pane_start_input(new_wp, item, &cause)) { 161 case -1: 162 server_client_remove_pane(new_wp); 163 layout_close_pane(new_wp); 164 window_remove_pane(wp->window, new_wp); 165 cmdq_error(item, "%s", cause); 166 free(cause); 167 if (sc.argv != NULL) 168 cmd_free_argv(sc.argc, sc.argv); 169 environ_free(sc.environ); 170 return (CMD_RETURN_ERROR); 171 case 1: 172 input = 0; 173 break; 174 } 175 } 176 if (!args_has(args, 'd')) 177 cmd_find_from_winlink_pane(current, wl, new_wp, 0); 178 window_pop_zoom(wp->window); 179 server_redraw_window(wp->window); 180 server_status_session(s); 181 182 if (args_has(args, 'P')) { 183 if ((template = args_get(args, 'F')) == NULL) 184 template = SPLIT_WINDOW_TEMPLATE; 185 cp = format_single(item, template, tc, s, wl, new_wp); 186 cmdq_print(item, "%s", cp); 187 free(cp); 188 } 189 190 cmd_find_from_winlink_pane(&fs, wl, new_wp, 0); 191 cmdq_insert_hook(s, item, &fs, "after-split-window"); 192 193 if (sc.argv != NULL) 194 cmd_free_argv(sc.argc, sc.argv); 195 environ_free(sc.environ); 196 if (input) 197 return (CMD_RETURN_WAIT); 198 return (CMD_RETURN_NORMAL); 199 } 200