1 files changed, 109 insertions, 0 deletions
diff --git a/cmd-link-window.c b/cmd-link-window.c
new file mode 100644
index 00000000..143e3cf0
--- /dev/null
+++ b/cmd-link-window.c
@@ -0,0 +1,109 @@
+/* $OpenBSD$ */
+
+/*
+ * 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 <stdlib.h>
+
+#include "tmux.h"
+
+/*
+ * Link a window into another session.
+ */
+
+int	cmd_link_window_exec(struct cmd *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_link_window_entry = {
+	"link-window", "linkw",
+	"[-dk] " CMD_SRCDST_WINDOW_USAGE,
+	CMD_DFLAG|CMD_KFLAG,
+	cmd_srcdst_init,
+	cmd_srcdst_parse,
+	cmd_link_window_exec,
+	cmd_srcdst_send,
+	cmd_srcdst_recv,
+	cmd_srcdst_free,
+	cmd_srcdst_print
+};
+
+int
+cmd_link_window_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+	struct cmd_srcdst_data	*data = self->data;
+	struct session		*dst;
+	struct winlink		*wl_src, *wl_dst;
+	char			*cause;
+	int			 idx;
+
+	if ((wl_src = cmd_find_window(ctx, data->src, NULL)) == NULL)
+		return (-1);
+
+	if (arg_parse_window(data->dst, &dst, &idx) != 0) {
+		ctx->error(ctx, "bad window: %s", data->dst);
+		return (-1);
+	}
+	if (dst == NULL)
+		dst = ctx->cursession;
+	if (dst == NULL)
+		dst = cmd_current_session(ctx);
+	if (dst == NULL) {
+		ctx->error(ctx, "session not found: %s", data->dst);
+		return (-1);
+	}
+
+	wl_dst = NULL;
+	if (idx != -1)
+		wl_dst = winlink_find_by_index(&dst->windows, idx);
+	if (wl_dst != NULL) {
+		if (wl_dst->window == wl_src->window)
+			return (0);
+
+		if (data->flags & CMD_KFLAG) {
+			/*
+			 * Can't use session_detach as it will destroy session
+			 * if this makes it empty.
+			 */
+			session_alert_cancel(dst, wl_dst);
+			winlink_stack_remove(&dst->lastw, wl_dst);
+			winlink_remove(&dst->windows, wl_dst);
+
+			/* Force select/redraw if current. */
+			if (wl_dst == dst->curw) {
+				data->flags &= ~CMD_DFLAG;
+				dst->curw = NULL;
+			}
+		}
+	}
+
+	wl_dst = session_attach(dst, wl_src->window, idx, &cause);
+	if (wl_dst == NULL) {
+		ctx->error(ctx, "create session failed: %s", cause);
+		xfree(cause);
+		return (-1);
+	}
+
+	if (data->flags & CMD_DFLAG)
+		server_status_session(dst);
+	else {
+		session_select(dst, wl_dst->idx);
+		server_redraw_session(dst);
+	}
+	recalculate_sizes();
+
+	return (0);
+}