From e4647dadffb2accda5132ece0537bcec3e9bf884 Mon Sep 17 00:00:00 2001
From: "Vassiliy.Kudryashov" <Vassiliy.Kudryashov@jetbrains.com>
Date: Tue, 8 Sep 2015 21:06:24 +0300
Subject: [PATCH] IDEA-94602 IDEA window is incorrectly repainted after
 automatic window resizing in Windows 7

---
 .../openapi/wm/impl/IdeFrameImpl.java         | 25 ++++++++++++++++---
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/wm/impl/IdeFrameImpl.java b/platform/platform-impl/src/com/intellij/openapi/wm/impl/IdeFrameImpl.java
index 017687985f23..fa5d3f2ea735 100644
--- a/platform/platform-impl/src/com/intellij/openapi/wm/impl/IdeFrameImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/wm/impl/IdeFrameImpl.java
@@ -37,10 +37,7 @@ import com.intellij.openapi.application.ex.ApplicationManagerEx;
 import com.intellij.openapi.project.DumbAwareRunnable;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.project.ProjectManager;
-import com.intellij.openapi.util.ActionCallback;
-import com.intellij.openapi.util.Disposer;
-import com.intellij.openapi.util.Key;
-import com.intellij.openapi.util.SystemInfo;
+import com.intellij.openapi.util.*;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.wm.IdeFrame;
 import com.intellij.openapi.wm.IdeRootPaneNorthExtension;
@@ -53,6 +50,7 @@ import com.intellij.openapi.wm.impl.status.*;
 import com.intellij.openapi.wm.impl.welcomeScreen.WelcomeFrame;
 import com.intellij.ui.*;
 import com.intellij.ui.mac.MacMainFrameDecorator;
+import com.intellij.util.Alarm;
 import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -136,6 +134,25 @@ public class IdeFrameImpl extends JFrame implements IdeFrameEx, DataProvider {
         }
       };
       Toolkit.getDefaultToolkit().addPropertyChangeListener("win.xpstyle.themeActive", myWindowsBorderUpdater);
+      if (!SystemInfo.isJavaVersionAtLeast("1.8")) {
+        final Ref<Dimension> myDimensionRef = new Ref<Dimension>(new Dimension());
+        final Alarm alarm = new Alarm(Alarm.ThreadToUse.SWING_THREAD);
+        final Runnable runnable = new Runnable() {
+          @Override
+          public void run() {
+            if (isDisplayable() && !getSize().equals(myDimensionRef.get())) {
+              Rectangle bounds = getBounds();
+              bounds.width--;
+              setBounds(bounds);
+              bounds.width++;
+              setBounds(bounds);
+              myDimensionRef.set(getSize());
+            }
+            alarm.addRequest(this, 50);
+          }
+        };
+        alarm.addRequest(runnable, 50);
+      }
     }
 
     IdeMenuBar.installAppMenuIfNeeded(this);