Key binding and unbinding.

cmd-bind-key.c

@@ -0,0 +1,142 @@
+/* $Id: cmd-bind-key.c,v 1.1 2007-10-04 09:30:53 nicm Exp $ */
+
+/*
+ * 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 <getopt.h>
+
+#include "tmux.h"
+
+/*
+ * Bind a key to a command, this recurses through cmd_*.
+ */
+
+int		 cmd_bind_key_parse(void **, int, char **, char **);
+const char	*cmd_bind_key_usage(void);
+void		 cmd_bind_key_exec(void *, struct cmd_ctx *);
+void		 cmd_bind_key_send(void *, struct buffer *);
+void		 cmd_bind_key_recv(void **, struct buffer *);
+void		 cmd_bind_key_free(void *);
+
+struct cmd_bind_key_data {
+	int		 key;
+	struct cmd	*cmd;
+};
+
+const struct cmd_entry cmd_bind_key_entry = {
+	CMD_BINDKEY, "bind-key", "bind", CMD_NOSESSION,
+	cmd_bind_key_parse,
+	cmd_bind_key_usage,
+	cmd_bind_key_exec, 
+	cmd_bind_key_send,
+	cmd_bind_key_recv,
+	cmd_bind_key_free
+};
+
+int
+cmd_bind_key_parse(void **ptr, int argc, char **argv, char **cause)
+{
+	struct cmd_bind_key_data	*data;
+	int				 opt;
+
+	*ptr = data = xmalloc(sizeof *data);
+	data->cmd = NULL;
+
+	while ((opt = getopt(argc, argv, "")) != EOF) {
+		switch (opt) {
+		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->cmd = cmd_parse(argc, argv, cause)) == NULL)
+		goto error;
+
+	return (0);
+
+usage:
+	usage(cause, "%s", cmd_bind_key_usage());
+
+error:
+	if (data->cmd != NULL)
+		cmd_free(data->cmd);
+	xfree(data);
+	return (-1);
+}
+
+const char *
+cmd_bind_key_usage(void)
+{
+	return ("bind-key key command [arguments]");
+}
+
+void
+cmd_bind_key_exec(void *ptr, unused struct cmd_ctx *ctx)
+{
+	struct cmd_bind_key_data	*data = ptr;
+	struct client			*c = ctx->client;
+
+	if (data == NULL)
+		return;
+
+	key_bindings_add(data->key, data->cmd);
+	data->cmd = NULL;	/* avoid free */
+
+	if (!(ctx->flags & CMD_KEY))
+		server_write_client(c, MSG_EXIT, NULL, 0);
+}
+
+void
+cmd_bind_key_send(void *ptr, struct buffer *b)
+{
+	struct cmd_bind_key_data	*data = ptr;
+
+	buffer_write(b, data, sizeof *data);
+	cmd_send(data->cmd, b);
+}
+
+void
+cmd_bind_key_recv(void **ptr, struct buffer *b)
+{
+	struct cmd_bind_key_data	*data;
+
+	*ptr = data = xmalloc(sizeof *data);
+	buffer_read(b, data, sizeof *data);
+	data->cmd = cmd_recv(b);
+}
+
+void
+cmd_bind_key_free(void *ptr)
+{
+	struct cmd_bind_key_data	*data = ptr;
+
+	if (data->cmd != NULL)
+		cmd_free(data->cmd);
+	xfree(data);
+}