1 /* $Id: cmd-clear-history.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
2 
3 /*
4  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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 "tmux.h"
22 
23 /*
24  * Clear pane history.
25  */
26 
27 int	cmd_clear_history_exec(struct cmd *, struct cmd_ctx *);
28 
29 const struct cmd_entry cmd_clear_history_entry = {
30 	"clear-history", "clearhist",
31 	"t:", 0, 0,
32 	CMD_TARGET_PANE_USAGE,
33 	0,
34 	NULL,
35 	NULL,
36 	cmd_clear_history_exec
37 };
38 
39 int
40 cmd_clear_history_exec(struct cmd *self, struct cmd_ctx *ctx)
41 {
42 	struct args		*args = self->args;
43 	struct window_pane	*wp;
44 	struct grid		*gd;
45 
46 	if (cmd_find_pane(ctx, args_get(args, 't'), NULL, &wp) == NULL)
47 		return (-1);
48 	gd = wp->base.grid;
49 
50 	grid_move_lines(gd, 0, gd->hsize, gd->sy);
51 	gd->hsize = 0;
52 
53 	return (0);
54 }
55