From 3723e7b196b9f21ecc7b9f8bbac5cd650c015577 Mon Sep 17 00:00:00 2001
From: Sergey Malenkov <sergey.malenkov@jetbrains.com>
Date: Wed, 22 Oct 2014 20:36:57 +0400
Subject: [PATCH] IDEA-131530 Search field in Settings dialog should receive
 focus when you start typing

---
 .../intellij/openapi/options/newEditor/SettingsFilter.java  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/platform/platform-impl/src/com/intellij/openapi/options/newEditor/SettingsFilter.java b/platform/platform-impl/src/com/intellij/openapi/options/newEditor/SettingsFilter.java
index 1885a852c5da..fdd4fa96aaee 100644
--- a/platform/platform-impl/src/com/intellij/openapi/options/newEditor/SettingsFilter.java
+++ b/platform/platform-impl/src/com/intellij/openapi/options/newEditor/SettingsFilter.java
@@ -22,6 +22,7 @@ import com.intellij.openapi.options.ConfigurableGroup;
 import com.intellij.openapi.options.SearchableConfigurable;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.ActionCallback;
+import com.intellij.openapi.wm.IdeFocusManager;
 import com.intellij.ui.DocumentAdapter;
 import com.intellij.ui.LightColors;
 import com.intellij.ui.SearchTextField;
@@ -58,6 +59,11 @@ abstract class SettingsFilter extends ElementFilter.Active.Impl<SimpleNode> {
       @Override
       protected void textChanged(DocumentEvent event) {
         update(event.getType(), true, false);
+        // request focus if needed on changing the filter text
+        IdeFocusManager manager = IdeFocusManager.findInstanceByComponent(mySearch);
+        if (manager.getFocusedDescendantFor(mySearch) == null) {
+          manager.requestFocus(mySearch, true);
+        }
       }
     });
     mySearch.getTextEditor().addMouseListener(new MouseAdapter() {