JavaFX TextArea - 调整大小时不需要的ScrollBars [英] JavaFX TextArea - unwanted ScrollBars when resizing

问题描述

我在JavaFX中调整TextArea的更新/事件大小时遇到​​问题。为了说明，我通过IntelliJ Idea创建了空JavaFX项目，并将AnchorPane作为根窗格，并且AnchorPane包含带有预期的TextArea AnchorPane.bottomAnchor =0.0AnchorPane.leftAnchor =0.0AnchorPane.rightAnchor =0.0AnchorPane sample.fxml文件中的.topAnchor =0.0（简而言之：TextArea占用场景的所有空间）。

I have a problem with resizing update/event of TextArea in JavaFX. For illustration I created empty JavaFX project through IntelliJ Idea with AnchorPane as root pane and that AnchorPane contains TextArea with propecties AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" in sample.fxml file (in a short: TextArea takes all space of scene).

问题说明：我启动应用程序，它从一个小窗口（300 x 275）开始。我只是最大化它。有正常的行为，但当我回到窗口时，两个滚动条都显示出来了。当我将窗口调整到较小的窗口时，会发生类似的情况。当我开始滚动时，TextArea视口没有任何反应。当我开始写一些字母或调整窗口大窗口时，滚动条消失了。这是非常奇怪的行为！

Problem description: I launch application and it starts in a small window (300 x 275). I just maximalize it. There is normal behavioral, but when I got back in a window, both of scrollbars were shown. The similar situation happens when I am resizing window into smaller window. When I start with scrolling, nothing happens with TextArea viewport. When I start to write some letter or resize window into bigger window, scrollbars disappeared. That's very strange behavioral!

我的问题：在没有必要时，是否有任何用于捕获/停止显示滚动条的侦听器或方法？您是否也遇到过这个问题？

My question: Is there any listener or method for catch/stop showing scrollbars when it isn't necessary? Have you got this problem too?

从最大化表单返回后的屏幕截图

Main.java

package sample;

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception{
        Parent root = FXMLLoader.load(getClass().getResource("sample.fxml"));
        primaryStage.setTitle("Hello World");
        primaryStage.setScene(new Scene(root, 300, 275));
        primaryStage.show();
    }


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

Controller.java

package sample;

public class Controller {
}

样本.fxml

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>


<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="480.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1">
   <children>
      <TextArea layoutX="162.0" layoutY="66.0" prefHeight="200.0" prefWidth="200.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0" />
   </children>
</AnchorPane>

PS：对不起我的英文并重复插入该问题，但是如果是bug的话JavaFX，解决问题的地方非常紧急！

PS: Sorry for my english and repeat insertion of that question, but if it's bug of JavaFX, it's very acute to resolve where is problem!

推荐答案

这个错误似乎在JDK 8u60中得到修复。至少我不能再在我的MacBook Pro（Retina）上重现它了。因此，不再需要复杂的工作了:-)（也许​​有人非常友好地为Windows确认。）
Michael

This bug seems to be fixed in JDK 8u60. At least I can't reproduce it anymore on my MacBook Pro (Retina). So there is no need anymore for a complicated work arround :-) (Maybe someone is so kind to confirm that for Windows too.) Michael

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