From fa3ebe5538cc0dc21d66928f19e8c107631a9f33 Mon Sep 17 00:00:00 2001
From: Wilmer Ricciotti <ricciott@cs.unibo.it>
Date: Wed, 13 Jul 2011 15:28:54 +0000
Subject: [PATCH] more tests on keyboard events.

---
 matitaB/matita/matitaweb.js | 46 ++++++++++++++++++++-----------------
 1 file changed, 25 insertions(+), 21 deletions(-)

diff --git a/matitaB/matita/matitaweb.js b/matitaB/matita/matitaweb.js
index 4b99a23a2..4c4d0a406 100644
--- a/matitaB/matita/matitaweb.js
+++ b/matitaB/matita/matitaweb.js
@@ -107,6 +107,29 @@ function suppressdefault(e,flag)
    }
    return !flag;
 }
+
+function restoreSelection() {
+    unlocked.focus();
+    if (savedRange != null) {
+        if (window.getSelection)//non IE and there is already a selection
+        {
+            var s = window.getSelection();
+            if (s.rangeCount > 0) 
+                s.removeAllRanges();
+            s.addRange(savedRange);
+        }
+        else 
+            if (document.createRange)//non IE and no selection
+            {
+                window.getSelection().addRange(savedRange);
+            }
+            else 
+                if (document.selection)//IE
+                {
+                    savedRange.select();
+                }
+    }
+}
  
 function keypress(e)
 {
@@ -122,29 +145,10 @@ function keypress(e)
 	  post = unlocked.innerHTML.substring(j);
 	  if (match == '\\to') {
              unlocked.innerHTML = pre + "-> " + post;
-	     unlocked.focus();
-             if (savedRange != null) {
-                 if (window.getSelection)//non IE and there is already a selection
-                 {
-                     var s = window.getSelection();
-                     if (s.rangeCount > 0) 
-                         s.removeAllRanges();
-                     s.addRange(savedRange);
-                 }
-                 else 
-                     if (document.createRange)//non IE and no selection
-                     {
-                         window.getSelection().addRange(savedRange);
-                     }
-                     else 
-                         if (document.selection)//IE
-                         {
-                             savedRange.select();
-                         }
-             }
-
+             restoreSelection(); 
  	     return suppressdefault(e,true);
 	  }
+          restoreSelection(); 
 	  else return suppressdefault(e,false);
 	}
 	else return suppressdefault(e,false);
-- 
2.39.2