From 46f5e42145ed34567b29c73032adbd8a41f5dfa2 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Sun, 16 Nov 2008 10:10:26 +0000
Subject: Keep stack of previous windows. Check for op (orig_pair) for default
 colours.

---
 window.c | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'window.c')

diff --git a/window.c b/window.c
index 14cdfc00..92d955c0 100644
--- a/window.c
+++ b/window.c
@@ -1,4 +1,4 @@
-/* $Id: window.c,v 1.50 2008-09-26 06:45:28 nicm Exp $ */
+/* $Id: window.c,v 1.51 2008-11-16 10:10:26 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -164,6 +164,32 @@ winlink_previous(unused struct winlinks *wwl, struct winlink *wl)
 #endif
 }
 
+void
+winlink_stack_push(struct winlink_stack *stack, struct winlink *wl)
+{
+	if (wl == NULL)
+		return;
+
+	winlink_stack_remove(stack, wl);
+	SLIST_INSERT_HEAD(stack, wl, sentry);
+}
+
+void
+winlink_stack_remove(struct winlink_stack *stack, struct winlink *wl)
+{
+	struct winlink	*wl2;
+
+	if (wl == NULL)
+		return;
+
+	SLIST_FOREACH(wl2, stack, sentry) {
+		if (wl2 == wl) {
+			SLIST_REMOVE(stack, wl, winlink, sentry);
+			return;
+		}
+	}
+}
+
 struct window *
 window_create(const char *name,
     const char *cmd, const char **envp, u_int sx, u_int sy, u_int hlimit)
-- 
cgit