1 /* $Id: cmd-split-window.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv 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 <stdlib.h> 22 #include <unistd.h> 23 24 #include "tmux.h" 25 26 /* 27 * Split a window (add a new pane). 28 */ 29 30 void cmd_split_window_key_binding(struct cmd *, int); 31 int cmd_split_window_exec(struct cmd *, struct cmd_ctx *); 32 33 const struct cmd_entry cmd_split_window_entry = { 34 "split-window", "splitw", 35 "dl:hp:Pt:v", 0, 1, 36 "[-dhvP] [-p percentage|-l size] [-t target-pane] [command]", 37 0, 38 cmd_split_window_key_binding, 39 NULL, 40 cmd_split_window_exec 41 }; 42 43 void 44 cmd_split_window_key_binding(struct cmd *self, int key) 45 { 46 self->args = args_create(0); 47 if (key == '%') 48 args_set(self->args, 'h', NULL); 49 } 50 51 int 52 cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx) 53 { 54 struct args *args = self->args; 55 struct session *s; 56 struct winlink *wl; 57 struct window *w; 58 struct window_pane *wp, *new_wp = NULL; 59 struct environ env; 60 char *cmd, *cwd, *cause; 61 const char *shell; 62 u_int hlimit, paneidx; 63 int size, percentage; 64 enum layout_type type; 65 struct layout_cell *lc; 66 67 if ((wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp)) == NULL) 68 return (-1); 69 w = wl->window; 70 71 environ_init(&env); 72 environ_copy(&global_environ, &env); 73 environ_copy(&s->environ, &env); 74 server_fill_environ(s, &env); 75 76 if (args->argc == 0) 77 cmd = options_get_string(&s->options, "default-command"); 78 else 79 cmd = args->argv[0]; 80 cwd = options_get_string(&s->options, "default-path"); 81 if (*cwd == '\0') { 82 if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL) 83 cwd = ctx->cmdclient->cwd; 84 else 85 cwd = s->cwd; 86 } 87 88 type = LAYOUT_TOPBOTTOM; 89 if (args_has(args, 'h')) 90 type = LAYOUT_LEFTRIGHT; 91 92 size = -1; 93 if (args_has(args, 'l')) { 94 size = args_strtonum(args, 'l', 0, INT_MAX, &cause); 95 if (cause != NULL) { 96 ctx->error(ctx, "size %s", cause); 97 xfree(cause); 98 return (-1); 99 } 100 } else if (args_has(args, 'p')) { 101 percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause); 102 if (cause != NULL) { 103 ctx->error(ctx, "percentage %s", cause); 104 xfree(cause); 105 return (-1); 106 } 107 if (type == LAYOUT_TOPBOTTOM) 108 size = (wp->sy * percentage) / 100; 109 else 110 size = (wp->sx * percentage) / 100; 111 } 112 hlimit = options_get_number(&s->options, "history-limit"); 113 114 shell = options_get_string(&s->options, "default-shell"); 115 if (*shell == '\0' || areshell(shell)) 116 shell = _PATH_BSHELL; 117 118 if ((lc = layout_split_pane(wp, type, size)) == NULL) { 119 cause = xstrdup("pane too small"); 120 goto error; 121 } 122 new_wp = window_add_pane(w, hlimit); 123 if (window_pane_spawn( 124 new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0) 125 goto error; 126 layout_assign_pane(lc, new_wp); 127 128 server_redraw_window(w); 129 130 if (!args_has(args, 'd')) { 131 window_set_active_pane(w, new_wp); 132 session_select(s, wl->idx); 133 server_redraw_session(s); 134 } else 135 server_status_session(s); 136 137 environ_free(&env); 138 139 if (args_has(args, 'P')) { 140 paneidx = window_pane_index(wl->window, new_wp); 141 ctx->print(ctx, "%s:%u.%u", s->name, wl->idx, paneidx); 142 } 143 return (0); 144 145 error: 146 environ_free(&env); 147 if (new_wp != NULL) 148 window_remove_pane(w, new_wp); 149 ctx->error(ctx, "create pane failed: %s", cause); 150 xfree(cause); 151 return (-1); 152 } 153