JavaFX和SwingNode - 部分黑色窗口 [英] JavaFX and SwingNode - partial black Window

问题描述

我尝试在SwingNode中使用JavaFX中的Swing组件：

I tried to use Swing Components in JavaFX with the SwingNode:

public class MyTest extends Application {

    @Override
    public void start(Stage stage) {

        final SwingNode swingNode = new SwingNode();
        FlowPane pane = new FlowPane();

        Button btn = new Button("1");
        btn.setVisible(false);
        pane.getChildren().add(btn);

        createAndSetSwingContent(swingNode);
        pane.getChildren().add(swingNode);


        stage.setScene(new Scene(pane, 100, 50));

        stage.show();

        btn.setVisible(true);

    }

    private void createAndSetSwingContent(final SwingNode swingNode) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                swingNode.setContent(new JButton("Click me!"));
            }
        });
    }

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

启动应用程序窗口的某些部分（背景和JavaFX按钮）是黑色的：

After starting the application some parts of the window (the background and the JavaFX button) are black:

调整大小（或其他更新）后，窗口显示正确：

After a resize (or an other update) the window is shown correctly:

< img src =https://i.stack.imgur.com/tP8Da.pngalt =在此处输入图像说明>

为什么会这样，我该如何解决？

Why is it like this and how can I fix it?

推荐答案

objSwingNode.requestFocus（）;
objSwingNode.autosize（）;

objSwingNode.requestFocus(); objSwingNode.autosize();

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