fix: Inherit parent background for preference controls to ensure consistent UI appearance

com.microsoft.copilot.eclipse.anypoint/src/com/microsoft/copilot/eclipse/anypoint/MuleSoftMcpPreferencePage.java

@@ -37,10 +37,12 @@ protected Control createContents(Composite parent) {
     Composite container = new Composite(parent, SWT.NONE);
     container.setLayout(new GridLayout(2, false));
     container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+    container.setBackground(parent.getBackground());
 
     enabledButton = new Button(container, SWT.CHECK);
     enabledButton.setText("Enable MuleSoft MCP Server registration");
     enabledButton.setLayoutData(spanTwoColumns());
+    useParentBackground(enabledButton);
 
     createLabel(container, "Client ID:");
     clientIdText = createText(container, SWT.BORDER);
@@ -56,6 +58,7 @@ protected Control createContents(Composite parent) {
     note.setText("Credentials are stored in Eclipse secure storage. If a field is blank, the integration also checks "
         + "ANYPOINT_CLIENT_ID, ANYPOINT_CLIENT_SECRET, and ANYPOINT_REGION from the Studio process environment.");
     note.setLayoutData(spanTwoColumns());
+    useParentBackground(note);
 
     loadSettings();
     return container;
@@ -84,6 +87,7 @@ private void loadSettings() {
   private static void createLabel(Composite container, String text) {
     Label label = new Label(container, SWT.NONE);
     label.setText(text);
+    useParentBackground(label);
   }
 
   private static Text createText(Composite container, int style) {
@@ -97,4 +101,11 @@ private static GridData spanTwoColumns() {
     gridData.horizontalSpan = 2;
     return gridData;
   }
+
+  private static void useParentBackground(Control control) {
+    if (control != null && !control.isDisposed() && control.getParent() != null
+        && !control.getParent().isDisposed()) {
+      control.setBackground(control.getParent().getBackground());
+    }
+  }
 }

com.microsoft.copilot.eclipse.ui/src/com/microsoft/copilot/eclipse/ui/preferences/PreferencePageUtils.java

@@ -10,8 +10,10 @@
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Link;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.PartInitException;
@@ -68,6 +70,7 @@ private static void createLink(Composite composite, String label, String tooltip
     link.setText(label);
     link.setToolTipText(tooltip);
     link.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false, 2, 1));
+    inheritParentBackground(link);
     link.addSelectionListener(new SelectionAdapter() {
       @Override
       public void widgetSelected(SelectionEvent e) {
@@ -99,4 +102,32 @@ private static void openUrlInBrowser(SelectionEvent event) {
   private static void openPreferencePage(Shell shell, String preferenceId, SelectionEvent event) {
     PreferencesUtil.createPreferenceDialogOn(shell, preferenceId, null, event);
   }
-}
+
+  /**
+   * Applies a control's parent background to layout-only preference controls and their children.
+   *
+   * @param control the control whose background should match its parent
+   */
+  public static void inheritParentBackground(Control control) {
+    if (control == null || control.isDisposed() || control.getParent() == null
+        || control.getParent().isDisposed()) {
+      return;
+    }
+
+    applyBackground(control, control.getParent().getBackground());
+  }
+
+  private static void applyBackground(Control control, Color background) {
+    if (control == null || control.isDisposed() || background == null || background.isDisposed()) {
+      return;
+    }
+
+    control.setBackground(background);
+    if (control instanceof Composite composite) {
+      composite.setBackgroundMode(SWT.INHERIT_FORCE);
+      for (Control child : composite.getChildren()) {
+        applyBackground(child, background);
+      }
+    }
+  }
+}

com.microsoft.copilot.eclipse.ui/src/com/microsoft/copilot/eclipse/ui/preferences/WrappableIconLink.java

@@ -137,13 +137,18 @@ public void widgetSelected(SelectionEvent e) {
         icon.dispose();
       }
     });
+
+    PreferencePageUtils.inheritParentBackground(this);
   }
 
   /**
    * Sets up the resize listener to dynamically adjust the link width.
    */
   private void setupResizeListener() {
-    parent.addControlListener(ControlListener.controlResizedAdapter(e -> updateLinkWidth()));
+    parent.addControlListener(ControlListener.controlResizedAdapter(e -> {
+      PreferencePageUtils.inheritParentBackground(this);
+      updateLinkWidth();
+    }));
   }
 
   /**
@@ -163,4 +168,4 @@ private void updateLinkWidth() {
       parent.requestLayout();
     }
   }
-}
+}

com.microsoft.copilot.eclipse.ui/src/com/microsoft/copilot/eclipse/ui/preferences/WrappableNoteLabel.java

@@ -96,13 +96,18 @@ private void createControls() {
         boldFont.dispose();
       }
     });
+
+    PreferencePageUtils.inheritParentBackground(this);
   }
 
   /**
    * Sets up the resize listener to dynamically adjust the content label width.
    */
   private void setupResizeListener() {
-    parentToWatch.addControlListener(ControlListener.controlResizedAdapter(e -> updateContentLabelWidth()));
+    parentToWatch.addControlListener(ControlListener.controlResizedAdapter(e -> {
+      PreferencePageUtils.inheritParentBackground(this);
+      updateContentLabelWidth();
+    }));
   }
 
   /**
@@ -182,4 +187,4 @@ public Label getPrefixLabel() {
   public Label getContentLabel() {
     return contentLabel;
   }
-}
+}