1 /* $OpenBSD: cmd-display-panes.c,v 1.17 2017/01/15 22:00:56 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 = { "t:", 0, 1 }, 41 .usage = CMD_TARGET_CLIENT_USAGE, 42 43 .tflag = CMD_CLIENT, 44 45 .flags = CMD_AFTERHOOK, 46 .exec = cmd_display_panes_exec 47 }; 48 49 static enum cmd_retval 50 cmd_display_panes_exec(struct cmd *self, struct cmdq_item *item) 51 { 52 struct args *args = self->args; 53 struct client *c = item->state.c; 54 55 if (c->identify_callback != NULL) 56 return (CMD_RETURN_NORMAL); 57 58 c->identify_callback = cmd_display_panes_callback; 59 if (args->argc != 0) 60 c->identify_callback_data = xstrdup(args->argv[0]); 61 else 62 c->identify_callback_data = xstrdup("select-pane -t '%%'"); 63 64 server_set_identify(c); 65 66 return (CMD_RETURN_NORMAL); 67 } 68 69 static enum cmd_retval 70 cmd_display_panes_error(struct cmdq_item *item, void *data) 71 { 72 char *error = data; 73 74 cmdq_error(item, "%s", error); 75 free(error); 76 77 return (CMD_RETURN_NORMAL); 78 } 79 80 static void 81 cmd_display_panes_callback(struct client *c, struct window_pane *wp) 82 { 83 struct cmd_list *cmdlist; 84 struct cmdq_item *new_item; 85 char *template, *cmd, *expanded, *cause; 86 87 template = c->identify_callback_data; 88 if (wp == NULL) 89 goto out; 90 xasprintf(&expanded, "%%%u", wp->id); 91 cmd = cmd_template_replace(template, expanded, 1); 92 93 cmdlist = cmd_string_parse(cmd, NULL, 0, &cause); 94 if (cmdlist == NULL) { 95 if (cause != NULL) { 96 new_item = cmdq_get_callback(cmd_display_panes_error, 97 cause); 98 } else 99 new_item = NULL; 100 } else { 101 new_item = cmdq_get_command(cmdlist, NULL, NULL, 0); 102 cmd_list_free(cmdlist); 103 } 104 105 if (new_item != NULL) 106 cmdq_append(c, new_item); 107 108 free(cmd); 109 free(expanded); 110 111 out: 112 free(c->identify_callback_data); 113 c->identify_callback_data = NULL; 114 c->identify_callback = NULL; 115 } 116