From 90a4b849d15c2e762dc00195a448e0caa642cbaf Mon Sep 17 00:00:00 2001
From: haranp <haranp@c06c8d41-db1a-0410-9941-cceddc491573>
Date: Tue, 8 May 2007 09:13:07 +0000
Subject: Changed list_spells() somewhat. It's now a slider wraparound menu.
 (Also changed the meaning of what some of the flags do to slider_menu, the
 default behaviour should be unaltered.)

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1423 c06c8d41-db1a-0410-9941-cceddc491573
---
 crawl-ref/source/menu.cc | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

(limited to 'crawl-ref/source/menu.cc')

diff --git a/crawl-ref/source/menu.cc b/crawl-ref/source/menu.cc
index da948d09cc..d1b2d7ad6c 100644
--- a/crawl-ref/source/menu.cc
+++ b/crawl-ref/source/menu.cc
@@ -660,9 +660,9 @@ bool slider_menu::process_key(int key)
         return (false);
     }
 
-    if (selected == 0 && 
-            (key == CK_UP || key == CK_PGUP || key == '<' || key == ';') &&
-            Menu::is_set(MF_EASY_EXIT))
+    if (Menu::is_set(MF_NOWRAP) &&
+        selected == 0 &&
+        (key == CK_UP || key == CK_PGUP || key == '<' || key == ';'))
     {
         oldselect = selected;
         selected = -1;
@@ -862,9 +862,23 @@ bool slider_menu::fix_entry(int recurse_depth)
 void slider_menu::new_selection(int nsel)
 {
     if (nsel < 0)
-        nsel = 0;
-    if (nsel >= (int) items.size())
-        nsel = items.size() - 1;
+    {
+        if ( !is_set(MF_NOWRAP) )
+            do {
+                nsel += items.size();
+            } while ( nsel < 0 );
+        else
+            nsel = 0;
+    }
+    if (nsel >= static_cast<int>(items.size()))
+    {
+        if ( !is_set(MF_NOWRAP) )
+            do {
+                nsel -= items.size();
+            } while ( nsel >= static_cast<int>(items.size()) );
+        else
+            nsel = items.size() - 1;
+    }
 
     const int old = selected;
     selected = nsel;
-- 
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