From e74b321e79f92074e4b0763c4546d5fc7b0d9efe Mon Sep 17 00:00:00 2001
From: Kirill Likhodedov <Kirill.Likhodedov@jetbrains.com>
Date: Sat, 9 Feb 2013 13:22:16 +0400
Subject: [PATCH] [diff] Stop "Go to source" on click on local version in the
 diff dialog.

IDEA-100782 and maybe IDEA-99363. It just confuses users.
---
 .../openapi/diff/impl/DiffSideView.java       | 75 -------------------
 1 file changed, 75 deletions(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/diff/impl/DiffSideView.java b/platform/platform-impl/src/com/intellij/openapi/diff/impl/DiffSideView.java
index 26ea37f5e798..8577f1a80543 100644
--- a/platform/platform-impl/src/com/intellij/openapi/diff/impl/DiffSideView.java
+++ b/platform/platform-impl/src/com/intellij/openapi/diff/impl/DiffSideView.java
@@ -25,10 +25,6 @@ import com.intellij.openapi.diff.impl.util.LabeledEditor;
 import com.intellij.openapi.diff.impl.util.SyncScrollSupport;
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.editor.colors.EditorColors;
-import com.intellij.openapi.editor.event.EditorMouseAdapter;
-import com.intellij.openapi.editor.event.EditorMouseEvent;
-import com.intellij.openapi.editor.event.EditorMouseEventArea;
-import com.intellij.openapi.editor.event.EditorMouseMotionAdapter;
 import com.intellij.openapi.editor.ex.EditorEx;
 import com.intellij.openapi.editor.highlighter.EditorHighlighter;
 import com.intellij.openapi.fileEditor.FileEditor;
@@ -42,10 +38,8 @@ import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 import javax.swing.border.Border;
-import java.awt.*;
 import java.awt.event.FocusAdapter;
 import java.awt.event.FocusEvent;
-import java.awt.event.MouseEvent;
 
 public class DiffSideView {
   private final JComponent MOCK_COMPONENT = new JPanel();
@@ -100,7 +94,6 @@ public class DiffSideView {
       editor.getScrollingModel().scrollHorizontally(0);
       insertComponent(editor.getComponent());
       applyHighlighter();
-      setMouseListeners(source);
       MyEditorFocusListener.install(this);
 
       state.restore();
@@ -129,11 +122,6 @@ public class DiffSideView {
     myPanel.updateTitle(myTitle);
   }
 
-  private void setMouseListeners(EditorSource source) {
-    DiffContent content = source.getContent();
-    MouseLineNumberListener.install(content, source, myContainer);
-  }
-
   public void beSlave() {
     myIsMaster = false;
     myLineMarker.hide();
@@ -149,69 +137,6 @@ public class DiffSideView {
     return content.getOpenFileDescriptor(editor.getCaretModel().getOffset());
   }
 
-  private static class MouseLineNumberListener {
-    private static final Cursor HAND__CURSOR = Cursor.getPredefinedCursor(Cursor.HAND_CURSOR);
-    private final Editor myEditor;
-    private final DiffSidesContainer myContainer;
-    private final DiffContent myContent;
-    private final Project myProject;
-
-    private final EditorMouseAdapter myMouseListener = new EditorMouseAdapter() {
-      public void mouseReleased(EditorMouseEvent e) {
-        if (e.getMouseEvent().getButton() != MouseEvent.BUTTON1) {
-          return;
-        }
-        if (!isInMyArea(e)) return;
-        OpenFileDescriptor descriptor = getOpenFileDescriptor(e);
-        if (descriptor == null) return;
-        myContainer.showSource(descriptor);
-      }
-    };
-
-    private OpenFileDescriptor getOpenFileDescriptor(EditorMouseEvent e) {
-      int offset = myEditor.logicalPositionToOffset(myEditor.xyToLogicalPosition(e.getMouseEvent().getPoint()));
-      return myContent.getOpenFileDescriptor(offset);
-    }
-
-    private boolean isInMyArea(EditorMouseEvent e) {
-      return e.getArea() == EditorMouseEventArea.LINE_NUMBERS_AREA;
-    }
-
-    private final EditorMouseMotionAdapter myMouseMotionListener = new EditorMouseMotionAdapter() {
-      public void mouseMoved(EditorMouseEvent e) {
-        Editor editor = e.getEditor();
-        if (editor.getProject() != null && editor.getProject() != myProject && myProject != null/*???*/) return;
-        if (!isInMyArea(e)) return;
-        Cursor cursor = getOpenFileDescriptor(e) != null ? HAND__CURSOR : Cursor.getDefaultCursor();
-        e.getMouseEvent().getComponent().setCursor(cursor);
-        myEditor.getContentComponent().setCursor(cursor);
-      }
-    };
-
-    public MouseLineNumberListener(DiffContent content, Editor editor, DiffSidesContainer container, Project project) {
-      myEditor = editor;
-      myContainer = container;
-      myContent = content;
-      myProject = project;
-    }
-
-    public static void install(DiffContent content, EditorSource source, DiffSidesContainer container) {
-      final Editor editor = source.getEditor();
-      Project project = container.getProject();
-      if (project == null) return;
-      final MouseLineNumberListener listener = new MouseLineNumberListener(content, editor, container, project);
-      editor.addEditorMouseListener(listener.myMouseListener);
-      editor.addEditorMouseMotionListener(listener.myMouseMotionListener);
-      source.addDisposable(new Disposable() {
-        public void dispose() {
-          editor.removeEditorMouseListener(listener.myMouseListener);
-          editor.removeEditorMouseMotionListener(listener.myMouseMotionListener);
-        }
-      });
-    }
-
-  }
-
   private static class MyEditorFocusListener extends FocusAdapter {
     private final DiffSideView mySideView;