Actually fixes SI-5055. Scaladoc now a zillion times less annoying

Author: heathermiller

src/compiler/scala/tools/nsc/doc/html/resource/lib/template.js

@@ -25,9 +25,37 @@ $(document).ready(function(){
     // Member filter box
     var input = $("#textfilter input");
     input.bind("keyup", function(event) {
-        if (event.keyCode == 27)
-            input.val(""); // escape key
-        filter(true);
+
+        switch ( event.keyCode ) {
+
+        case 27: // escape key
+            input.val("");
+            filter(true);
+            break;
+
+        case 38: // up
+            input.val("");
+            filter(false);
+            window.scrollTo(0, $("body").offset().top);
+            input.focus();
+            break;
+
+        case 33: //page up
+            input.val("");
+            filter(false);            
+            break;
+
+        case 34: //page down
+            input.val("");
+            filter(false);            
+            break;            
+
+        default: 
+            window.scrollTo(0, $("#mbrsel").offset().top);
+            filter(true);        
+            break;
+
+        }        
     });
     input.focus(function(event) {
         input.select();
@@ -37,18 +65,13 @@ $(document).ready(function(){
         filter();
     });
     $(document).keydown(function(event) {
-        if(!event.altKey && !event.ctrlKey &&
-           (event.keyCode == 27 || (event.keyCode >= 48 && event.keyCode <= 90)) &&
-           document.activeElement != $("#textfilter input")[0]) {
-               $("#textfilter input").focus();
-        }
-        if(event.keyCode == 9) {
+
+        if (event.keyCode == 9) { // tab
             $("#index-input", window.parent.document).focus();
             input.attr("value", "");
             return false;            
-        }        
+        }
     });
-    $("#textfilter input").focus();
 
     $("#linearization li").click(function(){
         if ($(this).hasClass("in")) {
@@ -256,7 +279,8 @@ function initInherit() {
     });
 };
 
-function filter(scrollToMember) {
+/* filter used to take boolean scrollToMember */
+function filter() {
     var query = $.trim($("#textfilter input").val()).toLowerCase();
     query = query.replace(/[-[\]{}()*+?.,\\^$|#]/g, "\\$&").replace(/\s+/g, "|");
     var queryRegExp = new RegExp(query, "i");
@@ -332,10 +356,6 @@ function filter(scrollToMember) {
         members.hide();
     };
 
-    if (scrollToMember) {
-      window.scrollTo(0, $("#mbrsel").offset().top);
-    }
-
     return false;
 };