fixed PY-14220 Fix darkula theme issues

python/ipnb/src/org/jetbrains/plugins/ipnb/IpnbUtils.java

@@ -5,12 +5,14 @@ import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.ui.BrowserHyperlinkListener;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.text.MarkdownUtil;
+import com.intellij.util.ui.UIUtil;
 import com.petebevin.markdown.MarkdownProcessor;
 import net.sourceforge.jeuclid.MathMLParserSupport;
 import net.sourceforge.jeuclid.context.LayoutContextImpl;
 import net.sourceforge.jeuclid.context.Parameter;
 import net.sourceforge.jeuclid.converter.Converter;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.plugins.ipnb.editor.IpnbEditorUtil;
 import org.jetbrains.plugins.ipnb.editor.panels.IpnbTexPackageDefinitions;
 import org.w3c.dom.Document;
 import org.xml.sax.SAXException;
@@ -71,6 +73,7 @@ public class IpnbUtils {
 
   public static JEditorPane createLatexPane(@NotNull final String source) {
     final JEditorPane editorPane = new JEditorPane();
+    editorPane.setBackground(IpnbEditorUtil.getBackground());
     editorPane.setContentType(new HTMLEditorKit().getContentType());
     editorPane.setEditorKit(new HTMLEditorKit());
 
@@ -197,6 +200,7 @@ public class IpnbUtils {
       final String xmlString = session.buildXMLString(options);
       if (xmlString == null) return;
       final LayoutContextImpl context = (LayoutContextImpl)LayoutContextImpl.getDefaultLayoutContext();
+      context.setParameter(Parameter.MATHCOLOR, UIUtil.getTextAreaForeground());
       context.setParameter(Parameter.MATHSIZE, 18);
 
       final Document document = MathMLParserSupport.parseString(xmlString);

python/ipnb/src/org/jetbrains/plugins/ipnb/editor/IpnbEditorUtil.java

@@ -20,6 +20,7 @@ import com.intellij.execution.impl.ConsoleViewUtil;
 import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.editor.EditorFactory;
+import com.intellij.openapi.editor.colors.EditorColors;
 import com.intellij.openapi.editor.colors.EditorColorsManager;
 import com.intellij.openapi.editor.ex.EditorEx;
 import com.intellij.openapi.project.Project;
@@ -59,13 +60,17 @@ public class IpnbEditorUtil {
   }
 
   private static void setupEditor(@NotNull final EditorEx editor) {
-    if (!UIUtil.isUnderDarcula())
-      editor.setBackgroundColor(Gray._247);
+    editor.setBackgroundColor(getEditablePanelBackground());
     noScrolling(editor);
     editor.getScrollPane().setBorder(null);
     ConsoleViewUtil.setupConsoleEditor(editor, false, false);
   }
 
+  public static Color getEditablePanelBackground() {
+    return !UIUtil.isUnderDarcula() ? Gray._247 : EditorColorsManager.getInstance().getGlobalScheme().getColor(
+      EditorColors.GUTTER_BACKGROUND);
+  }
+
   public static Editor createPlainCodeEditor(@NotNull final Project project, @NotNull final String text) {
     final EditorFactory editorFactory = EditorFactory.getInstance();
     assert editorFactory != null;

python/ipnb/src/org/jetbrains/plugins/ipnb/editor/panels/IpnbEditablePanel.java

@@ -2,7 +2,6 @@ package org.jetbrains.plugins.ipnb.editor.panels;
 
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.util.text.StringUtil;
-import com.intellij.ui.Gray;
 import com.intellij.ui.JBColor;
 import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.NotNull;
@@ -136,7 +135,7 @@ public abstract class IpnbEditablePanel<T extends JComponent, K extends IpnbEdit
     textArea.setLineWrap(true);
     textArea.setEditable(true);
     textArea.setBorder(BorderFactory.createLineBorder(JBColor.lightGray));
-    textArea.setBackground(Gray._247);
+    textArea.setBackground(IpnbEditorUtil.getEditablePanelBackground());
     textArea.addMouseListener(new MouseAdapter() {
       @Override
       public void mouseClicked(MouseEvent e) {

python/ipnb/src/org/jetbrains/plugins/ipnb/editor/panels/code/IpnbCodeOutputPanel.java

@@ -1,6 +1,7 @@
 package org.jetbrains.plugins.ipnb.editor.panels.code;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.plugins.ipnb.editor.IpnbEditorUtil;
 import org.jetbrains.plugins.ipnb.editor.panels.IpnbPanel;
 import org.jetbrains.plugins.ipnb.format.cells.output.IpnbOutputCell;
 
@@ -19,6 +20,7 @@ public class IpnbCodeOutputPanel<K extends IpnbOutputCell> extends IpnbPanel<JCo
     JTextArea textArea = new JTextArea(myCell.getSourceAsString());
     textArea.setLineWrap(true);
     textArea.setEditable(false);
+    textArea.setBackground(IpnbEditorUtil.getBackground());
     return textArea;
   }
 }