From f1b3b1c07cd542e6f2e205aa9bc5ec9d80638d02 Mon Sep 17 00:00:00 2001
From: Konstantin Bulenkov <kb@jetbrains.com>
Date: Fri, 21 Mar 2014 16:03:30 +0400
Subject: [PATCH] expandable item has extra space under Retina (Oracle JDK)

---
 .../intellij/ui/AbstractExpandableItemsHandler.java    | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/platform/platform-impl/src/com/intellij/ui/AbstractExpandableItemsHandler.java b/platform/platform-impl/src/com/intellij/ui/AbstractExpandableItemsHandler.java
index 4b05c005f05f..7226ee84e0c6 100644
--- a/platform/platform-impl/src/com/intellij/ui/AbstractExpandableItemsHandler.java
+++ b/platform/platform-impl/src/com/intellij/ui/AbstractExpandableItemsHandler.java
@@ -22,6 +22,7 @@ import com.intellij.openapi.util.registry.Registry;
 import com.intellij.ui.awt.RelativePoint;
 import com.intellij.ui.popup.AbstractPopup;
 import com.intellij.util.Alarm;
+import com.intellij.util.JBHiDPIScaledImage;
 import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -379,7 +380,14 @@ public abstract class AbstractExpandableItemsHandler<KeyType, ComponentType exte
 
     @Override
     public Dimension getPreferredSize() {
-      return new Dimension(myImage.getWidth(), myImage.getHeight());
+      int w =  myImage.getWidth();
+      int h = myImage.getHeight();
+
+      if (myImage instanceof JBHiDPIScaledImage) {
+        w /= 2; h /= 2;
+      }
+
+      return new Dimension(w, h);
     }
 
     @Override