1 /* $OpenBSD: cmd-display-message.c,v 1.44 2018/04/23 13:43:08 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org> 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 <time.h> 23 24 #include "tmux.h" 25 26 /* 27 * Displays a message in the status line. 28 */ 29 30 #define DISPLAY_MESSAGE_TEMPLATE \ 31 "[#{session_name}] #{window_index}:" \ 32 "#{window_name}, current pane #{pane_index} " \ 33 "- (%H:%M %d-%b-%y)" 34 35 static enum cmd_retval cmd_display_message_exec(struct cmd *, 36 struct cmdq_item *); 37 38 const struct cmd_entry cmd_display_message_entry = { 39 .name = "display-message", 40 .alias = "display", 41 42 .args = { "c:pt:F:", 0, 1 }, 43 .usage = "[-p] [-c target-client] [-F format] " 44 CMD_TARGET_PANE_USAGE " [message]", 45 46 .target = { 't', CMD_FIND_PANE, 0 }, 47 48 .flags = CMD_AFTERHOOK, 49 .exec = cmd_display_message_exec 50 }; 51 52 static enum cmd_retval 53 cmd_display_message_exec(struct cmd *self, struct cmdq_item *item) 54 { 55 struct args *args = self->args; 56 struct client *c, *target_c; 57 struct session *s = item->target.s; 58 struct winlink *wl = item->target.wl; 59 struct window_pane *wp = item->target.wp; 60 const char *template; 61 char *msg; 62 struct format_tree *ft; 63 64 if (args_has(args, 'F') && args->argc != 0) { 65 cmdq_error(item, "only one of -F or argument must be given"); 66 return (CMD_RETURN_ERROR); 67 } 68 69 template = args_get(args, 'F'); 70 if (args->argc != 0) 71 template = args->argv[0]; 72 if (template == NULL) 73 template = DISPLAY_MESSAGE_TEMPLATE; 74 75 /* 76 * -c is intended to be the client where the message should be 77 * displayed if -p is not given. But it makes sense to use it for the 78 * formats too, assuming it matches the session. If it doesn't, use the 79 * best client for the session. 80 */ 81 c = cmd_find_client(item, args_get(args, 'c'), 1); 82 if (c != NULL && c->session == s) 83 target_c = c; 84 else 85 target_c = cmd_find_best_client(s); 86 ft = format_create(item->client, item, FORMAT_NONE, 0); 87 format_defaults(ft, target_c, s, wl, wp); 88 89 msg = format_expand_time(ft, template, time(NULL)); 90 if (args_has(self->args, 'p')) 91 cmdq_print(item, "%s", msg); 92 else if (c != NULL) 93 status_message_set(c, "%s", msg); 94 free(msg); 95 96 format_free(ft); 97 98 return (CMD_RETURN_NORMAL); 99 } 100