1 /* $OpenBSD: cmd-split-window.c,v 1.23 2011/02/10 12:12:14 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net> 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 <paths.h> 22 #include <stdlib.h> 23 #include <unistd.h> 24 25 #include "tmux.h" 26 27 /* 28 * Split a window (add a new pane). 29 */ 30 31 void cmd_split_window_key_binding(struct cmd *, int); 32 int cmd_split_window_exec(struct cmd *, struct cmd_ctx *); 33 34 const struct cmd_entry cmd_split_window_entry = { 35 "split-window", "splitw", 36 "dl:hp:Pt:v", 0, 1, 37 "[-dhvP] [-p percentage|-l size] [-t target-pane] [command]", 38 0, 39 cmd_split_window_key_binding, 40 NULL, 41 cmd_split_window_exec 42 }; 43 44 void 45 cmd_split_window_key_binding(struct cmd *self, int key) 46 { 47 self->args = args_create(0); 48 if (key == '%') 49 args_set(self->args, 'h', NULL); 50 } 51 52 int 53 cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx) 54 { 55 struct args *args = self->args; 56 struct session *s; 57 struct winlink *wl; 58 struct window *w; 59 struct window_pane *wp, *new_wp = NULL; 60 struct environ env; 61 char *cmd, *cwd, *cause; 62 const char *shell; 63 u_int hlimit, paneidx; 64 int size, percentage; 65 enum layout_type type; 66 struct layout_cell *lc; 67 68 if ((wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp)) == NULL) 69 return (-1); 70 w = wl->window; 71 72 environ_init(&env); 73 environ_copy(&global_environ, &env); 74 environ_copy(&s->environ, &env); 75 server_fill_environ(s, &env); 76 77 if (args->argc == 0) 78 cmd = options_get_string(&s->options, "default-command"); 79 else 80 cmd = args->argv[0]; 81 cwd = options_get_string(&s->options, "default-path"); 82 if (*cwd == '\0') { 83 if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL) 84 cwd = ctx->cmdclient->cwd; 85 else 86 cwd = s->cwd; 87 } 88 89 type = LAYOUT_TOPBOTTOM; 90 if (args_has(args, 'h')) 91 type = LAYOUT_LEFTRIGHT; 92 93 size = -1; 94 if (args_has(args, 'l')) { 95 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 96 if (cause != NULL) { 97 ctx->error(ctx, "size %s", cause); 98 xfree(cause); 99 return (-1); 100 } 101 } else if (args_has(args, 'p')) { 102 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 103 if (cause != NULL) { 104 ctx->error(ctx, "percentage %s", cause); 105 xfree(cause); 106 return (-1); 107 } 108 if (type == LAYOUT_TOPBOTTOM) 109 size = (wp->sy * percentage) / 100; 110 else 111 size = (wp->sx * percentage) / 100; 112 } 113 hlimit = options_get_number(&s->options, "history-limit"); 114 115 shell = options_get_string(&s->options, "default-shell"); 116 if (*shell == '\0' || areshell(shell)) 117 shell = _PATH_BSHELL; 118 119 if ((lc = layout_split_pane(wp, type, size)) == NULL) { 120 cause = xstrdup("pane too small"); 121 goto error; 122 } 123 new_wp = window_add_pane(w, hlimit); 124 if (window_pane_spawn( 125 new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0) 126 goto error; 127 layout_assign_pane(lc, new_wp); 128 129 server_redraw_window(w); 130 131 if (!args_has(args, 'd')) { 132 window_set_active_pane(w, new_wp); 133 session_select(s, wl->idx); 134 server_redraw_session(s); 135 } else 136 server_status_session(s); 137 138 environ_free(&env); 139 140 if (args_has(args, 'P')) { 141 paneidx = window_pane_index(wl->window, new_wp); 142 ctx->print(ctx, "%s:%u.%u", s->name, wl->idx, paneidx); 143 } 144 return (0); 145 146 error: 147 environ_free(&env); 148 if (new_wp != NULL) 149 window_remove_pane(w, new_wp); 150 ctx->error(ctx, "create pane failed: %s", cause); 151 xfree(cause); 152 return (-1); 153 } 154