1 /* $OpenBSD: cmd-display-panes.c,v 1.20 2017/08/16 12:12:54 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 <ctype.h> 22 #include <stdlib.h> 23 24 #include "tmux.h" 25 26 /* 27 * Display panes on a client. 28 */ 29 30 static enum cmd_retval cmd_display_panes_exec(struct cmd *, 31 struct cmdq_item *); 32 33 static void cmd_display_panes_callback(struct client *, 34 struct window_pane *); 35 36 const struct cmd_entry cmd_display_panes_entry = { 37 .name = "display-panes", 38 .alias = "displayp", 39 40 .args = { "d:t:", 0, 1 }, 41 .usage = "[-d duration] " CMD_TARGET_CLIENT_USAGE, 42 43 .flags = CMD_AFTERHOOK, 44 .exec = cmd_display_panes_exec 45 }; 46 47 static enum cmd_retval 48 cmd_display_panes_exec(struct cmd *self, struct cmdq_item *item) 49 { 50 struct args *args = self->args; 51 struct client *c; 52 struct session *s; 53 u_int delay; 54 char *cause; 55 56 if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL) 57 return (CMD_RETURN_ERROR); 58 59 if (c->identify_callback != NULL) 60 return (CMD_RETURN_NORMAL); 61 62 c->identify_callback = cmd_display_panes_callback; 63 if (args->argc != 0) 64 c->identify_callback_data = xstrdup(args->argv[0]); 65 else 66 c->identify_callback_data = xstrdup("select-pane -t '%%'"); 67 s = c->session; 68 69 if (args_has(args, 'd')) { 70 delay = args_strtonum(args, 'd', 0, UINT_MAX, &cause); 71 if (cause != NULL) { 72 cmdq_error(item, "delay %s", cause); 73 free(cause); 74 return (CMD_RETURN_ERROR); 75 } 76 } else 77 delay = options_get_number(s->options, "display-panes-time"); 78 server_client_set_identify(c, delay); 79 80 return (CMD_RETURN_NORMAL); 81 } 82 83 static enum cmd_retval 84 cmd_display_panes_error(struct cmdq_item *item, void *data) 85 { 86 char *error = data; 87 88 cmdq_error(item, "%s", error); 89 free(error); 90 91 return (CMD_RETURN_NORMAL); 92 } 93 94 static void 95 cmd_display_panes_callback(struct client *c, struct window_pane *wp) 96 { 97 struct cmd_list *cmdlist; 98 struct cmdq_item *new_item; 99 char *template, *cmd, *expanded, *cause; 100 101 template = c->identify_callback_data; 102 if (wp == NULL) 103 goto out; 104 xasprintf(&expanded, "%%%u", wp->id); 105 cmd = cmd_template_replace(template, expanded, 1); 106 107 cmdlist = cmd_string_parse(cmd, NULL, 0, &cause); 108 if (cmdlist == NULL) { 109 if (cause != NULL) { 110 new_item = cmdq_get_callback(cmd_display_panes_error, 111 cause); 112 } else 113 new_item = NULL; 114 } else { 115 new_item = cmdq_get_command(cmdlist, NULL, NULL, 0); 116 cmd_list_free(cmdlist); 117 } 118 119 if (new_item != NULL) 120 cmdq_append(c, new_item); 121 122 free(cmd); 123 free(expanded); 124 125 out: 126 free(c->identify_callback_data); 127 c->identify_callback_data = NULL; 128 c->identify_callback = NULL; 129 } 130