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tmux 2.4

    1: /* $OpenBSD$ */
    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_client_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: }