Select window command.

cmd-select-window.c

@@ -0,0 +1,149 @@
+/* $Id: cmd-select-window.c,v 1.1 2007-10-04 10:54:20 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 <stdlib.h>
+
+#include "tmux.h"
+
+/*
+ * Select window by index.
+ */
+
+int		 cmd_select_window_parse(void **, int, char **, char **);
+const char	*cmd_select_window_usage(void);
+void		 cmd_select_window_exec(void *, struct cmd_ctx *);
+void		 cmd_select_window_send(void *, struct buffer *);
+void		 cmd_select_window_recv(void **, struct buffer *);
+void		 cmd_select_window_free(void *);
+
+struct cmd_select_window_data {
+	u_int	idx;
+};
+
+const struct cmd_entry cmd_select_window_entry = {
+	CMD_SELECTWINDOW, "select-window", "selectw", 0,
+	cmd_select_window_parse,
+	cmd_select_window_usage,
+	cmd_select_window_exec, 
+	cmd_select_window_send,
+	cmd_select_window_recv,
+	cmd_select_window_free
+};
+
+/*
+ * select-window requires different defaults depending on the key, so this
+ * fills in the right data. XXX should this be extended to them all and get
+ * rid of std/NULL rubbish?
+ */
+void
+cmd_select_window_default(void **ptr, int key)
+{
+	struct cmd_select_window_data	*data;
+
+	*ptr = data = xmalloc(sizeof *data);
+	data->idx = key - '0';
+}
+
+int
+cmd_select_window_parse(void **ptr, int argc, char **argv, char **cause)
+{
+	struct cmd_select_window_data	*data;
+	const char			*errstr;
+	int				 opt;
+
+	*ptr = data = xmalloc(sizeof *data);
+
+	while ((opt = getopt(argc, argv, "")) != EOF) {
+		switch (opt) {
+		default:
+			goto usage;
+		}
+	}	
+	argc -= optind;
+	argv += optind;
+	if (argc != 1)
+		goto usage;
+
+	data->idx = strtonum(argv[0], 0, UINT_MAX, &errstr);
+	if (errstr != NULL) {
+		xasprintf(cause, "index %s", errstr);
+		goto error;
+	}
+	
+	return (0);
+
+usage:
+	usage(cause, "%s", cmd_select_window_usage());
+
+error:
+	cmd_select_window_free(data);
+	return (-1);
+}
+
+const char *
+cmd_select_window_usage(void)
+{
+	return ("select-window [command]");
+}
+
+void
+cmd_select_window_exec(void *ptr, struct cmd_ctx *ctx)
+{
+	struct cmd_select_window_data	*data = ptr;
+	struct client			*c = ctx->client;
+	struct session			*s = ctx->session;
+
+	if (data == NULL)
+		return;
+
+	if (session_select(s, data->idx) == 0)
+		server_redraw_session(s);
+	else
+		ctx->error(ctx, "no window %u", data->idx);
+	
+	if (!(ctx->flags & CMD_KEY))
+		server_write_client(c, MSG_EXIT, NULL, 0);
+}
+
+void
+cmd_select_window_send(void *ptr, struct buffer *b)
+{
+	struct cmd_select_window_data	*data = ptr;
+
+	buffer_write(b, data, sizeof *data);
+}
+
+void
+cmd_select_window_recv(void **ptr, struct buffer *b)
+{
+	struct cmd_select_window_data	*data;
+
+	*ptr = data = xmalloc(sizeof *data);
+	buffer_read(b, data, sizeof *data);
+}
+
+void
+cmd_select_window_free(void *ptr)
+{
+	struct cmd_select_window_data	*data = ptr;
+
+	xfree(data);
+}