clear-history command.

1 files changed, 68 insertions, 0 deletions

diff --git a/cmd-clear-history.c b/cmd-clear-history.c
new file mode 100644
index 00000000..bf9d09de
--- /dev/null
+++ b/cmd-clear-history.c
@@ -0,0 +1,68 @@
+/* $Id: cmd-clear-history.c,v 1.1 2009-05-14 16:56:23 nicm Exp $ */
+
+/*
+ * 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.
+ */
+
+void	cmd_clear_history_init(struct cmd *, int);
+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,
+	cmd_pane_init,
+	cmd_pane_parse,
+	cmd_clear_history_exec,
+	cmd_pane_send,
+	cmd_pane_recv,
+	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);
+}