diff -r 3d8556368fe9 -r d4f1cd8626e6 MethodFinderWindow.st
--- a/MethodFinderWindow.st	Fri Jun 01 13:12:25 2012 +0200
+++ b/MethodFinderWindow.st	Fri Jun 01 13:22:10 2012 +0200
@@ -5,7 +5,7 @@
 		resultSelectors arg2BoxVisible arg1BoxVisible arg4BoxVisible
 		arg3BoxVisible argCountHolder argCountList argument1Editor
 		argument2Editor argument3Editor argument4Editor resultSelected
-		lookAtResultEditor codeHolder'
+		lookAtResultEditor codeHolder searchProcess'
 	classVariableNames:''
 	poolDictionaries:''
 	category:'Interface-MethodFinder'
@@ -702,6 +702,13 @@
     "Modified: / 26-09-2011 / 12:42:28 / cg"
 !
 
+searchPatternChanged
+    "/ self searchPatternMatches
+    self searchPatternMatchesInBackground
+
+    "Created: / 01-06-2012 / 13:18:16 / cg"
+!
+
 searchPatternMatches
     "Do a search based on the pattern match"
 
@@ -735,6 +742,32 @@
     "Created: / 27-04-2012 / 14:46:35 / cg"
 !
 
+searchPatternMatchesInBackground
+    "Do a search based on the pattern match"
+
+    | p pattern list|
+
+    (p := searchProcess) notNil ifTrue:[
+        searchProcess := nil.
+        p terminate.
+    ].
+
+    searchProcess := 
+        [
+            pattern := self selectorPattern value.
+
+            self withCursor:Cursor execute do:[
+                pattern includesMatchCharacters ifFalse:[   
+                    pattern := '*',pattern,'*'
+                ].
+                list := SystemBrowser findImplementorsMatching:pattern in:Smalltalk allClasses ignoreCase:true.
+            ].
+            self enqueueDelayedAction:[ self updateListAfterPatternSearch: list ]
+        ] fork.
+
+    "Created: / 01-06-2012 / 13:16:54 / cg"
+!
+
 selectedClassOfResultHolderChanged
     |sel classAndSelector mthd|
 
@@ -775,6 +808,30 @@
     self selectedClassOfResultHolder value:nil.
 
     "Modified: / 13.11.2001 / 12:07:31 / cg"
+!
+
+updateListAfterPatternSearch:list
+    "Do a search based on the pattern match"
+
+    | selectors counts|
+
+    self resultHolder value: nil.                "reset the result list"
+    self classOfResultHolder value: nil.         "reset the implementorOf list"
+    self codeHolder value: nil.                  "reset the source"
+
+    counts := IdentityDictionary new.
+    selectors := IdentitySet new.
+
+    list do:[:eachMethod |
+        selectors add: eachMethod selector.
+        (counts at:(eachMethod selector) ifAbsentPut:[0 asValue]) increment
+    ].
+
+    resultSelectors := selectors asOrderedCollection sort.
+
+    self resultHolder value: (resultSelectors collect:[:sel | sel,' --> ',(counts at:sel) value printString,' implementor(s)']).
+
+    "Created: / 01-06-2012 / 13:17:34 / cg"
 ! !
 
 !MethodFinderWindow methodsFor:'aspects'!
@@ -893,7 +950,7 @@
     (holder := builder bindingAt:#selectorPattern) isNil ifTrue:[
         holder := ValueHolder new.
         builder aspectAt:#selectorPattern put:holder.
-        holder onChangeSend:#searchPatternMatches to:self.
+        holder onChangeSend:#searchPatternChanged to:self.
     ].
     ^ holder