Import tmux, a terminal multiplexor allowing (among other things) a single

terminal to be switched between several different windows and programs
displayed on one terminal be detached from one terminal and moved to another.

ok deraadt pirofti

1 files changed, 184 insertions, 0 deletions

diff --git a/cmd-send-keys.c b/cmd-send-keys.c
new file mode 100644
index 00000000..849fe7be
--- /dev/null
+++ b/cmd-send-keys.c
@@ -0,0 +1,184 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2008 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 <stdlib.h>
+
+#include "tmux.h"
+
+/*
+ * Send keys to client.
+ */
+
+int	cmd_send_keys_parse(struct cmd *, int, char **, char **);
+int	cmd_send_keys_exec(struct cmd *, struct cmd_ctx *);
+void	cmd_send_keys_send(struct cmd *, struct buffer *);
+void	cmd_send_keys_recv(struct cmd *, struct buffer *);
+void	cmd_send_keys_free(struct cmd *);
+size_t	cmd_send_keys_print(struct cmd *, char *, size_t);
+
+struct cmd_send_keys_data {
+	char	*target;
+	int	 idx;
+  	u_int	 nkeys;
+	int	*keys;
+};
+
+const struct cmd_entry cmd_send_keys_entry = {
+	"send-keys", "send",
+	"[-t target-window] key ...",
+	0,
+	NULL,
+	cmd_send_keys_parse,
+	cmd_send_keys_exec,
+	cmd_send_keys_send,
+	cmd_send_keys_recv,
+	cmd_send_keys_free,
+	cmd_send_keys_print
+};
+
+int
+cmd_send_keys_parse(struct cmd *self, int argc, char **argv, char **cause)
+{
+	struct cmd_send_keys_data	*data;
+	int				 opt, key;
+	char				*s;
+
+	self->data = data = xmalloc(sizeof *data);
+	data->target = NULL;
+	data->idx = -1;
+	data->nkeys = 0;
+	data->keys = NULL;
+
+	while ((opt = getopt(argc, argv, "t:")) != -1) {
+		switch (opt) {
+		case 't':
+			if (data->target == NULL)
+				data->target = xstrdup(optarg);
+			break;
+		default:
+			goto usage;
+		}
+	}
+	argc -= optind;
+	argv += optind;
+	if (argc == 0)
+		goto usage;
+
+	while (argc-- != 0) {
+		if ((key = key_string_lookup_string(*argv)) != KEYC_NONE) {
+			data->keys = xrealloc(
+			    data->keys, data->nkeys + 1, sizeof *data->keys);
+			data->keys[data->nkeys++] = key;
+		} else {
+			for (s = *argv; *s != '\0'; s++) {
+				data->keys = xrealloc(data->keys,
+				    data->nkeys + 1, sizeof *data->keys);
+				data->keys[data->nkeys++] = *s;
+			}
+		}
+
+		argv++;
+	}
+
+	return (0);
+
+usage:
+	xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
+
+	self->entry->free(self);
+	return (-1);
+}
+
+int
+cmd_send_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+	struct cmd_send_keys_data	*data = self->data;
+	struct winlink			*wl;
+	u_int				 i;
+
+	if (data == NULL)
+		return (-1);
+
+	if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
+		return (-1);
+
+	for (i = 0; i < data->nkeys; i++) {
+		window_pane_key(
+		    wl->window->active, ctx->curclient, data->keys[i]);
+	}
+
+	return (0);
+}
+
+void
+cmd_send_keys_send(struct cmd *self, struct buffer *b)
+{
+	struct cmd_send_keys_data	*data = self->data;
+
+	buffer_write(b, data, sizeof *data);
+	cmd_send_string(b, data->target);
+	buffer_write(b, data->keys, data->nkeys * sizeof *data->keys);
+}
+
+void
+cmd_send_keys_recv(struct cmd *self, struct buffer *b)
+{
+	struct cmd_send_keys_data	*data;
+
+	self->data = data = xmalloc(sizeof *data);
+	buffer_read(b, data, sizeof *data);
+	data->target = cmd_recv_string(b);
+	data->keys = xcalloc(data->nkeys, sizeof *data->keys);
+	buffer_read(b, data->keys, data->nkeys * sizeof *data->keys);
+}
+
+void
+cmd_send_keys_free(struct cmd *self)
+{
+	struct cmd_send_keys_data	*data = self->data;
+
+	if (data->target != NULL)
+		xfree(data->target);
+	xfree(data);
+}
+
+size_t
+cmd_send_keys_print(struct cmd *self, char *buf, size_t len)
+{
+	struct cmd_send_keys_data	*data = self->data;
+	size_t				 off = 0;
+	u_int				 i;
+
+	off += xsnprintf(buf, len, "%s", self->entry->name);
+	if (data == NULL)
+		return (off);
+	if (off < len && data->target != NULL)
+		off += cmd_prarg(buf + off, len - off, " -t ", data->target);
+	if (off < len && data->idx != -1)
+		off += xsnprintf(buf + off, len - off, " -i %d", data->idx);
+
+	for (i = 0; i < data->nkeys; i++) {
+		if (off >= len)
+			break;
+		off += xsnprintf(buf + off,
+		    len - off, " %s", key_string_lookup_key(data->keys[i]));
+	}
+	return (off);
+}