From 6d412b71aaa9de52685d991b0cf9c7147d942e1d Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Fri, 5 Feb 2010 18:22:17 +0300
Subject: [PATCH] move Ctrl-mouse calculation to background thread (RUBY-5727)

---
 .../codeInsight/navigation/CtrlMouseHandler.java   | 32 ++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/navigation/CtrlMouseHandler.java b/platform/lang-impl/src/com/intellij/codeInsight/navigation/CtrlMouseHandler.java
index 51cbc063ac..165567b14e 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/navigation/CtrlMouseHandler.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/navigation/CtrlMouseHandler.java
@@ -31,6 +31,7 @@ import com.intellij.navigation.NavigationItem;
 import com.intellij.openapi.actionSystem.IdeActions;
 import com.intellij.openapi.actionSystem.MouseShortcut;
 import com.intellij.openapi.actionSystem.Shortcut;
+import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.components.AbstractProjectComponent;
 import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.editor.Editor;
@@ -160,6 +161,10 @@ public class CtrlMouseHandler extends AbstractProjectComponent {
       myStoredModifiers = mouseEvent.getModifiers();
       BrowseMode browseMode = getBrowseMode(myStoredModifiers);
 
+      if (myTooltipProvider != null) {
+        myTooltipProvider.dispose();
+      }
+
       if (browseMode == BrowseMode.None || offset >= selStart && offset < selEnd) {
         disposeHighlighter();
         myTooltipProvider = null;
@@ -439,18 +444,36 @@ public class CtrlMouseHandler extends AbstractProjectComponent {
     private final Editor myEditor;
     private final LogicalPosition myPosition;
     private BrowseMode myBrowseMode;
+    private boolean myDisposed;
 
     public TooltipProvider(Editor editor, LogicalPosition pos) {
       myEditor = editor;
       myPosition = pos;
     }
 
+    public void dispose() {
+      myDisposed = true;
+    }
+
     public BrowseMode getBrowseMode() {
       return myBrowseMode;
     }
 
     public void execute(BrowseMode browseMode) {
       myBrowseMode = browseMode;
+
+      ApplicationManager.getApplication().executeOnPooledThread(new Runnable() {
+        public void run() {
+          ApplicationManager.getApplication().runReadAction(new Runnable() {
+            public void run() {
+              doExecute();
+            }
+          });
+        }
+      });
+    }
+
+    private void doExecute() {
       final Info info;
       try {
         info = getInfoAt(myEditor, myPosition, myBrowseMode);
@@ -461,6 +484,15 @@ public class CtrlMouseHandler extends AbstractProjectComponent {
       }
       if (info == null) return;
 
+      SwingUtilities.invokeLater(new Runnable() {
+        public void run() {
+          showHint(info);
+        }
+      });
+    }
+
+    private void showHint(Info info) {
+      if (myDisposed) return;
       Component internalComponent = myEditor.getContentComponent();
       if (myHighlighter != null) {
         if (!info.isSimilarTo(myStoredInfo)) {
-- 
2.11.4.GIT