Completion: added package name for global functions/properties in the list

idea/src/org/jetbrains/jet/plugin/completion/LookupElementFactory.kt

@@ -140,7 +140,7 @@ public class LookupElementFactory(
     }
 
     private fun createLookupElement(
-            analyzer: ResolutionFacade,
+            resolutionFacade: ResolutionFacade,
             descriptor: DeclarationDescriptor,
             declaration: PsiElement?
     ): LookupElement {
@@ -155,7 +155,7 @@ public class LookupElementFactory(
         }
 
 
-        var element = LookupElementBuilder.create(DeclarationDescriptorLookupObject(descriptor, analyzer, declaration), descriptor.getName().asString())
+        var element = LookupElementBuilder.create(DeclarationDescriptorLookupObject(descriptor, resolutionFacade, declaration), descriptor.getName().asString())
                 .withIcon(JetDescriptorIconProvider.getIcon(descriptor, declaration, Iconable.ICON_FLAG_VISIBILITY))
 
         when (descriptor) {
@@ -194,6 +194,13 @@ public class LookupElementFactory(
                 val receiverPresentation = DescriptorRenderer.SHORT_NAMES_IN_TYPES.renderType(receiver.getType())
                 element = element.appendTailText(" for $receiverPresentation in $containerPresentation", true)
             }
+            else {
+                val container = descriptor.getContainingDeclaration()
+                if (container is PackageFragmentDescriptor) { // we show container only for global functions and properties
+                    //TODO: it would be probably better to show it also for static declarations which are not from the current class (imported)
+                    element = element.appendTailText(" (${container.fqName})", true)
+                }
+            }
         }
 
         if (KotlinBuiltIns.isDeprecated(descriptor)) {

idea/testData/completion/basic/common/FunctionCompletionFormatting.kt

@@ -4,4 +4,4 @@ fun some() {
     tes<caret>
 }
 
-// EXIST: { lookupString:"test", itemText:"test", tailText:"(a: Int)" }
+// EXIST: { lookupString:"test", itemText:"test", tailText:"(a: Int) (<root>)" }

idea/testData/completion/basic/common/HigherOrderFunction1.kt

@@ -4,5 +4,5 @@ fun test() {
     fo<caret>
 }
 
-// EXIST: { lookupString:"foo", itemText: "foo", tailText: "(p: (String, Char) -> Unit)", typeText:"Unit" }
-// EXIST: { lookupString:"foo", itemText: "foo", tailText: " { (String, Char) -> ... }", typeText:"Unit" }
+// EXIST: { lookupString:"foo", itemText: "foo", tailText: "(p: (String, Char) -> Unit) (<root>)", typeText:"Unit" }
+// EXIST: { lookupString:"foo", itemText: "foo", tailText: " { (String, Char) -> ... } (<root>)", typeText:"Unit" }

idea/testData/completion/smart/SAMExpected1.kt

@@ -1,3 +1,3 @@
 var a : Runnable = <caret>
 
-// EXIST: {"lookupString":"Runnable", "itemText":"Runnable", "tailText":"(function: () -> Unit)", "typeText":"Runnable"}
+// EXIST: {"lookupString":"Runnable", "itemText":"Runnable", "tailText":"(function: () -> Unit) (java.lang)", "typeText":"Runnable"}