Annotation of src/usr.bin/tmux/cmd-clear-history.c, Revision 1.2
1.2 ! nicm 1: /* $OpenBSD: cmd-clear-history.c,v 1.1 2009/06/01 22:58:49 nicm Exp $ */
1.1 nicm 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: CMD_PANE_WINDOW_USAGE,
32: 0,
33: cmd_pane_init,
34: cmd_pane_parse,
35: cmd_clear_history_exec,
36: cmd_pane_send,
37: cmd_pane_recv,
38: cmd_pane_free,
39: cmd_pane_print
40: };
41:
42: int
43: cmd_clear_history_exec(struct cmd *self, struct cmd_ctx *ctx)
44: {
45: struct cmd_pane_data *data = self->data;
46: struct winlink *wl;
47: struct window_pane *wp;
48: struct grid *gd;
49:
50: if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
51: return (-1);
52: if (data->pane == -1)
53: wp = wl->window->active;
54: else {
55: wp = window_pane_at_index(wl->window, data->pane);
56: if (wp == NULL) {
57: ctx->error(ctx, "no pane: %d", data->pane);
58: return (-1);
59: }
60: }
61: gd = wp->base.grid;
62:
63: grid_move_lines(gd, 0, gd->hsize, gd->sy);
64: gd->hsize = 0;
65:
66: return (0);
67: }