From 5ccbb741b056e94ec20cfc7921715a7a7c539fe1 Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles@transmissionbt.com>
Date: Sun, 2 Jan 2011 23:42:46 +0000
Subject: [PATCH] (trunk qt) #3863 "accept info hash in 'Add url...' dialog,
 not just magnet uris" -- added.

---
 qt/add-data.cc | 5 +++++
 qt/utils.h     | 9 +++++++++
 2 files changed, 14 insertions(+)

diff --git a/qt/add-data.cc b/qt/add-data.cc
index 94d3551fe..cc02feb0f 100644
--- a/qt/add-data.cc
+++ b/qt/add-data.cc
@@ -40,6 +40,11 @@ AddData :: set( const QString& key )
         metainfo = file.readAll( );
         file.close( );
     }
+    else if( Utils::isHexHashcode( key ) )
+    {
+        magnet = QString("magnet:?xt=urn:btih:") + key;
+        type = MAGNET;
+    }
     else
     {
         int len;
diff --git a/qt/utils.h b/qt/utils.h
index 0557cf3e7..e28683dcc 100644
--- a/qt/utils.h
+++ b/qt/utils.h
@@ -17,6 +17,8 @@
 #include <QObject>
 #include <QIcon>
 
+#include <cctype> // isxdigit()
+
 #include "speed.h"
 
 class Utils: public QObject
@@ -40,6 +42,13 @@ class Utils: public QObject
 
         static bool isMagnetLink( const QString& s ) { return s.startsWith( "magnet:?" ); }
 
+        static bool isHexHashcode( const QString& s )
+        {
+            if( s.length() != 40 ) return false;
+            foreach( QChar ch, s ) if( !isxdigit( ch.toAscii() ) ) return false;
+            return true;
+        }
+
         static bool isURL( const QString& s ) { return s.startsWith( "http://" )
                                                     || s.startsWith( "https://" )
                                                     || s.startsWith( "ftp://" ); }