make Ubunty users happy

platform/platform-api/src/com/intellij/ide/ui/UISettings.java

@@ -28,6 +28,7 @@ import com.intellij.openapi.components.Storage;
 import com.intellij.openapi.util.Disposer;
 import com.intellij.openapi.util.SystemInfo;
 import com.intellij.util.PlatformUtils;
+import com.intellij.util.ui.GraphicsUtil;
 import com.intellij.util.xmlb.Accessor;
 import com.intellij.util.xmlb.SerializationFilter;
 import com.intellij.util.xmlb.XmlSerializerUtil;
@@ -312,7 +313,11 @@ public class UISettings implements PersistentStateComponent<UISettings>, Exporta
         }
       }
       else {
-        g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+        if (SystemInfo.isUnix) {
+          GraphicsUtil.installAntialiasing(g2d);
+        } else {
+          g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+        }
       }
     }
     else {

platform/platform-impl/src/com/intellij/openapi/editor/impl/EditorImpl.java

@@ -81,6 +81,7 @@ import com.intellij.util.containers.HashMap;
 import com.intellij.util.messages.MessageBusConnection;
 import com.intellij.util.text.CharArrayUtil;
 import com.intellij.util.ui.ButtonlessScrollBarUI;
+import com.intellij.util.ui.GraphicsUtil;
 import com.intellij.util.ui.MacUIUtil;
 import com.intellij.util.ui.UIUtil;
 import com.intellij.util.ui.update.UiNotifyConnector;

platform/platform-impl/src/com/intellij/openapi/options/newEditor/OptionsTree.java

@@ -29,6 +29,7 @@ import com.intellij.ui.components.panels.NonOpaquePanel;
 import com.intellij.ui.treeStructure.*;
 import com.intellij.ui.treeStructure.filtered.FilteringTreeBuilder;
 import com.intellij.ui.treeStructure.filtered.FilteringTreeStructure;
+import com.intellij.util.ui.GraphicsUtil;
 import com.intellij.util.ui.UIUtil;
 import com.intellij.util.ui.tree.TreeUtil;
 import com.intellij.util.ui.update.MergingUpdateQueue;
@@ -739,6 +740,12 @@ public class OptionsTree extends JPanel implements Disposable, OptionsEditorColl
       @Override
       protected void paintVerticalPartOfLeg(final Graphics g, final Rectangle clipBounds, final Insets insets, final TreePath path) {
       }
+
+      @Override
+      public void paint(Graphics g, JComponent c) {
+        GraphicsUtil.installAntialiasing(g);
+        super.paint(g, c);
+      }
     }
   }
 

platform/platform-impl/src/com/intellij/ui/BalloonImpl.java

@@ -787,7 +787,7 @@ public class BalloonImpl implements Balloon, IdeTooltip.Ui {
 
     void paintComponent(BalloonImpl balloon, final Rectangle bounds, final Graphics2D g, Point pointTarget, JComponent component) {
       final GraphicsConfig cfg = new GraphicsConfig(g);
-      cfg.setAntialiasing(true);
+      GraphicsUtil.installAntialiasing(g);
 
 
       Shape shape;

platform/platform-impl/src/com/intellij/ui/Splash.java

@@ -19,6 +19,7 @@ import com.intellij.ide.StartupProgress;
 import com.intellij.openapi.application.ex.ApplicationInfoEx;
 import com.intellij.openapi.application.impl.ApplicationInfoImpl;
 import com.intellij.openapi.util.IconLoader;
+import com.intellij.openapi.util.SystemInfo;
 import com.intellij.util.ui.UIUtil;
 
 import javax.swing.*;
@@ -135,7 +136,11 @@ public class Splash extends JDialog implements StartupProgress {
       final LicensingFacade provider = LicensingFacade.getInstance();
       if (provider != null) {
         UIUtil.applyRenderingHints(g);
-        g.setFont(new Font(UIUtil.ARIAL_FONT_NAME, Font.BOLD, 11));
+        if (SystemInfo.isUnix) {
+          g.setFont(new Font("Arial", Font.BOLD, 10));
+        } else {
+          g.setFont(new Font(UIUtil.ARIAL_FONT_NAME, Font.BOLD, 11));
+        }
         g.setColor(textColor);
         final String licensedToMessage = provider.getLicensedToMessage();
         final List<String> licenseRestrictionsMessages = provider.getLicenseRestrictionsMessages();

platform/util/src/com/intellij/util/ui/GraphicsUtil.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.util.ui;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.awt.*;
+
+/**
+ * @author Konstantin Bulenkov
+ */
+public class GraphicsUtil {
+  public static void installAntialiasing(@NotNull Graphics g2) {
+    if (g2 instanceof Graphics2D) {
+      Graphics2D g = (Graphics2D)g2;
+      g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
+    }
+  }
+}