moveTo() not scrolling the StyleClassedTextArea

[jplwill]

macOS 10.12.6, Java 1.8.0_101-b13, richtextfx-fat-0.7-M5.jar.

I have a StyleClassedTextArea wrapped in a VirtualizedScrollPane that I'm using as a log pane. After appending to the widget I call moveTo() to move to the bottom and display the next text; however, it isn't scrolling. It used to work, I'm pretty sure. Here's the code; to see the behavior run the app and press the "Log Stuff" button a few times.

public class App extends Application {
    private StyleClassedTextArea output;
    
    @Override
    public void start(Stage primaryStage) {
        BorderPane root = new BorderPane();

        output = new StyleClassedTextArea();
        output.setEditable(false);
        output.setWrapText(true);

        VirtualizedScrollPane<StyleClassedTextArea> vsPane = 
            new VirtualizedScrollPane(output);
        root.setCenter(vsPane);
        
        Button btn = new Button();
        btn.setText("Log Stuff");
        btn.setOnAction((ActionEvent event) -> {
            output.appendText("Line 1\n");
            output.appendText(" Line 2\n");
            output.appendText("  Line 3\n");
            output.appendText("   Line 4\n");
            output.appendText("    Line 5\n");
            output.appendText("     Line 6\n");
            output.appendText("      Line 7\n");
            output.appendText("       Line 8\n");
            output.moveTo(output.getLength());
        });
        
        root.setTop(btn);
        
        Scene scene = new Scene(root, 300, 250);
        
        primaryStage.setTitle("No Scroll");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

[JordanMartinez]

moveTo moves the caret, but it no longer follows the caret. Add a requestFollowCaret() call after moveTo and that should fix your issue. Reopen if it doesn't.

[JordanMartinez]

And shouldn't you be using the newer 0.8.1 version? It has better documentation.

[jplwill]

Thanks, that did the trick!

Ultimately, yeah, I need to move up. But this is a test tool, and I just noticed that it wasn't working. I'd apparently missed the addition of requestFollowCaret() on my last upgrade and hadn't observed the problem...and the Google, it only showed me items from back in 2015.

[JordanMartinez]

Ah... ok. Forewarning about the migration from 0.7-M5 and 0.8.1, it helps to know about SEG and how that works. To understand it better, you can read the wiki page that explains that more. Previously, SEG included the segment type and its style (0.7-Mx series) Now it refers only to the segment type (0.8.x series).

[jplwill]

Thanks much!