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, 157 insertions, 0 deletions

diff --git a/cmd-bind-key.c b/cmd-bind-key.c
new file mode 100644
index 00000000..f0988899
--- /dev/null
+++ b/cmd-bind-key.c
@@ -0,0 +1,157 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2007 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"
+
+/*
+ * Bind a key to a command, this recurses through cmd_*.
+ */
+
+int	cmd_bind_key_parse(struct cmd *, int, char **, char **);
+int	cmd_bind_key_exec(struct cmd *, struct cmd_ctx *);
+void	cmd_bind_key_send(struct cmd *, struct buffer *);
+void	cmd_bind_key_recv(struct cmd *, struct buffer *);
+void	cmd_bind_key_free(struct cmd *);
+size_t	cmd_bind_key_print(struct cmd *, char *, size_t);
+
+struct cmd_bind_key_data {
+	int		 key;
+	int		 can_repeat;
+	struct cmd_list	*cmdlist;
+};
+
+const struct cmd_entry cmd_bind_key_entry = {
+	"bind-key", "bind",
+	"[-r] key command [arguments]",
+	0,
+	NULL,
+	cmd_bind_key_parse,
+	cmd_bind_key_exec,
+	cmd_bind_key_send,
+	cmd_bind_key_recv,
+	cmd_bind_key_free,
+	cmd_bind_key_print
+};
+
+int
+cmd_bind_key_parse(struct cmd *self, int argc, char **argv, char **cause)
+{
+	struct cmd_bind_key_data	*data;
+	int				 opt;
+
+	self->data = data = xmalloc(sizeof *data);
+	data->can_repeat = 0;
+	data->cmdlist = NULL;
+
+	while ((opt = getopt(argc, argv, "r")) != -1) {
+		switch (opt) {
+		case 'r':
+			data->can_repeat = 1;
+			break;
+		default:
+			goto usage;
+		}
+	}
+	argc -= optind;
+	argv += optind;
+	if (argc < 1)
+		goto usage;
+
+	if ((data->key = key_string_lookup_string(argv[0])) == KEYC_NONE) {
+		xasprintf(cause, "unknown key: %s", argv[0]);
+		goto error;
+	}
+
+	argc--;
+	argv++;
+	if ((data->cmdlist = cmd_list_parse(argc, argv, cause)) == NULL)
+		goto error;
+
+	return (0);
+
+usage:
+	xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
+
+error:
+	self->entry->free(self);
+	return (-1);
+}
+
+int
+cmd_bind_key_exec(struct cmd *self, unused struct cmd_ctx *ctx)
+{
+	struct cmd_bind_key_data	*data = self->data;
+
+	if (data == NULL)
+		return (0);
+
+	key_bindings_add(data->key, data->can_repeat, data->cmdlist);
+	data->cmdlist = NULL;	/* avoid free */
+
+	return (0);
+}
+
+void
+cmd_bind_key_send(struct cmd *self, struct buffer *b)
+{
+	struct cmd_bind_key_data	*data = self->data;
+
+	buffer_write(b, data, sizeof *data);
+	cmd_list_send(data->cmdlist, b);
+}
+
+void
+cmd_bind_key_recv(struct cmd *self, struct buffer *b)
+{
+	struct cmd_bind_key_data	*data;
+
+	self->data = data = xmalloc(sizeof *data);
+	buffer_read(b, data, sizeof *data);
+	data->cmdlist = cmd_list_recv(b);
+}
+
+void
+cmd_bind_key_free(struct cmd *self)
+{
+	struct cmd_bind_key_data	*data = self->data;
+
+	if (data->cmdlist != NULL)
+		cmd_list_free(data->cmdlist);
+	xfree(data);
+}
+
+size_t
+cmd_bind_key_print(struct cmd *self, char *buf, size_t len)
+{
+	struct cmd_bind_key_data	*data = self->data;
+	size_t				 off = 0;
+	const char			*skey;
+
+	off += xsnprintf(buf, len, "%s", self->entry->name);
+	if (data == NULL)
+		return (off);
+	if (off < len) {
+		skey = key_string_lookup_key(data->key);
+		off += xsnprintf(buf + off, len - off, " %s ", skey);
+	}
+	if (off < len)
+		off += cmd_list_print(data->cmdlist, buf + off, len - off);
+	return (off);
+}