tmux/cmd-clear-history.c

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/* $OpenBSD$ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include "tmux.h"
/*
* Clear pane history.
*/
int cmd_clear_history_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_clear_history_entry = {
"clear-history", "clearhist",
CMD_PANE_WINDOW_USAGE,
0, 0,
cmd_pane_init,
cmd_pane_parse,
cmd_clear_history_exec,
cmd_pane_free,
cmd_pane_print
};
int
cmd_clear_history_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_pane_data *data = self->data;
struct winlink *wl;
struct window_pane *wp;
struct grid *gd;
if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
return (-1);
if (data->pane == -1)
wp = wl->window->active;
else {
wp = window_pane_at_index(wl->window, data->pane);
if (wp == NULL) {
ctx->error(ctx, "no pane: %d", data->pane);
return (-1);
}
}
gd = wp->base.grid;
grid_move_lines(gd, 0, gd->hsize, gd->sy);
gd->hsize = 0;
return (0);
}