IDEA-161840 Background Image is not set for the Preview of Find

platform/platform-api/src/com/intellij/ui/components/JBTabbedPane.java

@@ -18,6 +18,7 @@ package com.intellij.ui.components;
 import com.intellij.openapi.util.SystemInfo;
 import com.intellij.ui.JBColor;
 import com.intellij.ui.ScreenUtil;
+import com.intellij.util.ui.JBSwingUtilities;
 import com.intellij.util.ui.UIUtil;
 import org.intellij.lang.annotations.JdkConstants;
 import org.jetbrains.annotations.NonNls;
@@ -123,4 +124,9 @@ public class JBTabbedPane extends JTabbedPane implements HierarchyListener {
       getComponentAt(i).removeHierarchyListener(this);
     }
   }
+
+  @Override
+  protected Graphics getComponentGraphics(Graphics graphics) {
+    return JBSwingUtilities.runGlobalCGTransform(this, super.getComponentGraphics(graphics));
+  }
 }

platform/platform-impl/src/com/intellij/openapi/wm/impl/IdeBackgroundUtil.java

@@ -100,6 +100,7 @@ public class IdeBackgroundUtil {
            component instanceof JList ? "list" :
            component instanceof JTable ? "table" :
            component instanceof JViewport ? "viewport" :
+           component instanceof JTabbedPane ? "tabs" :
            component instanceof JButton ? "button" :
            component instanceof ActionToolbar ? "toolbar" :
            component instanceof EditorsSplitters ? "frame" :

platform/usageView/src/com/intellij/usages/impl/UsageContextPanelBase.java

@@ -18,6 +18,7 @@ package com.intellij.usages.impl;
 
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiDocumentManager;
+import com.intellij.ui.components.JBPanelWithEmptyText;
 import com.intellij.usageView.UsageInfo;
 import com.intellij.usages.UsageContextPanel;
 import com.intellij.usages.UsageViewPresentation;
@@ -32,7 +33,7 @@ import java.util.List;
 /**
  * @author cdr
  */
-public abstract class UsageContextPanelBase extends JPanel implements UsageContextPanel {
+public abstract class UsageContextPanelBase extends JBPanelWithEmptyText implements UsageContextPanel {
   protected final Project myProject;
   @NotNull protected final UsageViewPresentation myPresentation;
   protected volatile boolean isDisposed;

platform/usageView/src/com/intellij/usages/impl/UsagePreviewPanel.java

@@ -17,7 +17,8 @@
 package com.intellij.usages.impl;
 
 import com.intellij.lang.injection.InjectedLanguageManager;
-import com.intellij.openapi.actionSystem.*;
+import com.intellij.openapi.actionSystem.CommonDataKeys;
+import com.intellij.openapi.actionSystem.DataProvider;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.editor.*;
@@ -38,7 +39,6 @@ import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import javax.swing.*;
 import java.awt.*;
 import java.util.List;
 
@@ -249,8 +249,7 @@ public class UsagePreviewPanel extends UsageContextPanelBase implements DataProv
     if (cannotPreviewMessage != null) {
       releaseEditor();
       removeAll();
-      JComponent titleComp = new JLabel(cannotPreviewMessage, SwingConstants.CENTER);
-      add(titleComp, BorderLayout.CENTER);
+      getEmptyText().setText(cannotPreviewMessage);
       revalidate();
     }
     else {

platform/usageView/src/com/intellij/usages/impl/UsageViewImpl.java

@@ -48,6 +48,7 @@ import com.intellij.psi.SmartPointerManager;
 import com.intellij.psi.SmartPsiElementPointer;
 import com.intellij.psi.impl.PsiDocumentManagerBase;
 import com.intellij.ui.*;
+import com.intellij.ui.components.JBPanelWithEmptyText;
 import com.intellij.ui.components.JBTabbedPane;
 import com.intellij.ui.content.Content;
 import com.intellij.ui.treeStructure.Tree;
@@ -548,7 +549,9 @@ public class UsageViewImpl implements UsageView {
         }
       });
       tabbedPane.setBorder(IdeBorderFactory.createBorder(SideBorder.LEFT));
-      myPreviewSplitter.setSecondComponent(tabbedPane);
+      JBPanelWithEmptyText panel = new JBPanelWithEmptyText(new BorderLayout());
+      panel.add(tabbedPane, BorderLayout.CENTER);
+      myPreviewSplitter.setSecondComponent(panel);
     }
     else {
       myPreviewSplitter.setProportion(1);