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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 <stdlib.h>
   22: 
   23: #include "tmux.h"
   24: 
   25: /*
   26:  * Switch window to selected layout.
   27:  */
   28: 
   29: static enum cmd_retval	cmd_select_layout_exec(struct cmd *,
   30: 			    struct cmdq_item *);
   31: 
   32: const struct cmd_entry cmd_select_layout_entry = {
   33: 	.name = "select-layout",
   34: 	.alias = "selectl",
   35: 
   36: 	.args = { "nopt:", 0, 1 },
   37: 	.usage = "[-nop] " CMD_TARGET_WINDOW_USAGE " [layout-name]",
   38: 
   39: 	.tflag = CMD_WINDOW,
   40: 
   41: 	.flags = CMD_AFTERHOOK,
   42: 	.exec = cmd_select_layout_exec
   43: };
   44: 
   45: const struct cmd_entry cmd_next_layout_entry = {
   46: 	.name = "next-layout",
   47: 	.alias = "nextl",
   48: 
   49: 	.args = { "t:", 0, 0 },
   50: 	.usage = CMD_TARGET_WINDOW_USAGE,
   51: 
   52: 	.tflag = CMD_WINDOW,
   53: 
   54: 	.flags = CMD_AFTERHOOK,
   55: 	.exec = cmd_select_layout_exec
   56: };
   57: 
   58: const struct cmd_entry cmd_previous_layout_entry = {
   59: 	.name = "previous-layout",
   60: 	.alias = "prevl",
   61: 
   62: 	.args = { "t:", 0, 0 },
   63: 	.usage = CMD_TARGET_WINDOW_USAGE,
   64: 
   65: 	.tflag = CMD_WINDOW,
   66: 
   67: 	.flags = CMD_AFTERHOOK,
   68: 	.exec = cmd_select_layout_exec
   69: };
   70: 
   71: static enum cmd_retval
   72: cmd_select_layout_exec(struct cmd *self, struct cmdq_item *item)
   73: {
   74: 	struct args	*args = self->args;
   75: 	struct winlink	*wl = item->state.tflag.wl;
   76: 	struct window	*w;
   77: 	const char	*layoutname;
   78: 	char		*oldlayout;
   79: 	int		 next, previous, layout;
   80: 
   81: 	w = wl->window;
   82: 	server_unzoom_window(w);
   83: 
   84: 	next = self->entry == &cmd_next_layout_entry;
   85: 	if (args_has(args, 'n'))
   86: 		next = 1;
   87: 	previous = self->entry == &cmd_previous_layout_entry;
   88: 	if (args_has(args, 'p'))
   89: 		previous = 1;
   90: 
   91: 	oldlayout = w->old_layout;
   92: 	w->old_layout = layout_dump(w->layout_root);
   93: 
   94: 	if (next || previous) {
   95: 		if (next)
   96: 			layout_set_next(w);
   97: 		else
   98: 			layout_set_previous(w);
   99: 		goto changed;
  100: 	}
  101: 
  102: 	if (!args_has(args, 'o')) {
  103: 		if (args->argc == 0)
  104: 			layout = w->lastlayout;
  105: 		else
  106: 			layout = layout_set_lookup(args->argv[0]);
  107: 		if (layout != -1) {
  108: 			layout_set_select(w, layout);
  109: 			goto changed;
  110: 		}
  111: 	}
  112: 
  113: 	if (args->argc != 0)
  114: 		layoutname = args->argv[0];
  115: 	else if (args_has(args, 'o'))
  116: 		layoutname = oldlayout;
  117: 	else
  118: 		layoutname = NULL;
  119: 
  120: 	if (layoutname != NULL) {
  121: 		if (layout_parse(w, layoutname) == -1) {
  122: 			cmdq_error(item, "can't set layout: %s", layoutname);
  123: 			goto error;
  124: 		}
  125: 		goto changed;
  126: 	}
  127: 
  128: 	free(oldlayout);
  129: 	return (CMD_RETURN_NORMAL);
  130: 
  131: changed:
  132: 	free(oldlayout);
  133: 	server_redraw_window(w);
  134: 	return (CMD_RETURN_NORMAL);
  135: 
  136: error:
  137: 	free(w->old_layout);
  138: 	w->old_layout = oldlayout;
  139: 	return (CMD_RETURN_ERROR);
  140: }