The tutorial now uses set_more() to display the ability-menu help

(so Menu doesn't need to be aware of the tutorial.)
set_more() support with multi-line strings will only work if there are
enough free lines; it doesn't (yet) reduce pagesize. Also, it doesn't
handle newlines which aren't EOLs.


git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1700 c06c8d41-db1a-0410-9941-cceddc491573

1 files changed, 19 insertions, 0 deletions

diff --git a/crawl-ref/source/format.cc b/crawl-ref/source/format.cc
index 390133f3d5..9eb82cb8d3 100644
--- a/crawl-ref/source/format.cc
+++ b/crawl-ref/source/format.cc
@@ -314,3 +314,22 @@ void formatted_string::fs_op::display() const
         break;
     }
 }
+
+int count_linebreaks(const formatted_string& fs)
+{
+    std::string::size_type where = 0;
+    const std::string s = fs;
+    int count = 0;
+    while ( 1 )
+    {
+        where = s.find(EOL, where);
+        if ( where == std::string::npos )
+            break;
+        else
+        {
+            ++count;
+            ++where;
+        }
+    }
+    return count;
+}