From d748ccb9b6a7c5b52b5005533d87f6fd72b077a8 Mon Sep 17 00:00:00 2001
From: Dmitry Batrak <Dmitry.Batrak@jetbrains.com>
Date: Fri, 12 Aug 2016 14:47:39 +0300
Subject: [PATCH] IDEA-93637 Hide cursor while typing

---
 .../openapi/editor/impl/EditorImpl.java         | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
index c15ca8faec06..6227ce2809a2 100644
--- a/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java
@@ -147,8 +147,21 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
   private final TraceableDisposable myTraceableDisposable = new TraceableDisposable(true);
   private int myLinePaintersWidth;
 
+  private static final Cursor EMPTY_CURSOR;
+
   static {
     ComplementaryFontsRegistry.getFontAbleToDisplay(' ', 0, Font.PLAIN, UIManager.getFont("Label.font").getFamily()); // load costly font info
+
+    Cursor emptyCursor = null;
+    try {
+      emptyCursor = Toolkit.getDefaultToolkit().createCustomCursor(UIUtil.createImage(1, 1, BufferedImage.TYPE_INT_ARGB),
+                                                                    new Point(),
+                                                                    "Empty cursor");
+    }
+    catch (Exception e){
+      LOG.warn("Couldn't create an empty cursor", e);
+    }
+    EMPTY_CURSOR = emptyCursor;
   }
 
   private final CommandProcessor myCommandProcessor;
@@ -1981,6 +1994,10 @@ public final class EditorImpl extends UserDataHolderBase implements EditorEx, Hi
         (getCaretModel().getOffset() < e.getOffset() || getCaretModel().getOffset() > e.getOffset() + e.getNewLength())) {
       restoreCaretRelativePosition();
     }
+
+    if (EMPTY_CURSOR != null) {
+      myEditorComponent.setCursor(EMPTY_CURSOR);
+    }
   }
 
   private void saveCaretRelativePosition() {