Hints misbehaviour fix

platform/platform-impl/src/com/intellij/ide/IdeTooltip.java

@@ -50,6 +50,8 @@ public class IdeTooltip extends ComparableObject.Impl {
 
   private Ui myUi;
 
+  private boolean hint = false;
+
 
   public IdeTooltip(Component component, Point point, JComponent tipComponent, Object... identity) {
     super(identity);
@@ -232,6 +234,15 @@ public class IdeTooltip extends ComparableObject.Impl {
     return myLayer;
   }
 
+  public IdeTooltip setHint(boolean hint) {
+    this.hint = hint;
+    return this;
+  }
+
+  public boolean isHint() {
+    return hint;
+  }
+
   public boolean isInside(RelativePoint target) {
     return myUi != null && myUi.isInside(target);
   }

platform/platform-impl/src/com/intellij/ide/IdeTooltipManager.java

@@ -143,7 +143,12 @@ public class IdeTooltipManager implements ApplicationComponent, AWTEventListener
           if (!myCurrentTipIsCentered) {
             myX = me.getX();
             myY = me.getY();
-            maybeShowFor(c, me);
+            if (c instanceof JComponent && ((JComponent)c).getToolTipText(me) == null && (myQueuedTooltip == null || !myQueuedTooltip.isHint())) {
+                hideCurrent(me, null, null);//There is no tooltip or hint here, let's proceed it as MOUSE_EXITED
+            }
+            else {
+              maybeShowFor(c, me);
+            }
           }
         }
       }

platform/platform-impl/src/com/intellij/ui/LightweightHint.java

@@ -166,8 +166,8 @@ public class LightweightHint extends UserDataHolderBase implements Hint {
           .setFont(hintHint.getTextFont())
           .setCalloutShift(hintHint.getCalloutShift())
           .setPositionChangeShift(hintHint.getPositionChangeX(), hintHint.getPositionChangeY())
-          .setExplicitClose(hintHint.isExplicitClose());
-
+          .setExplicitClose(hintHint.isExplicitClose())
+          .setHint(true);
         myComponent.validate();
         myCurrentIdeTooltip = IdeTooltipManager.getInstance().show(tooltip, hintHint.isShowImmediately());
       } else {