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  1. JDK
  2. JDK-8097035

[FlowPane, TitledPane] Preferred size of FlowPane with wrapped and unwrapped content seems to be the same if within TitledPane

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      Description

      Code to reproduce the issue:

      import javafx.application.Application;
      import javafx.scene.Scene;
      import javafx.scene.control.Button;
      import javafx.scene.control.TitledPane;
      import javafx.scene.layout.FlowPane;
      import javafx.scene.layout.VBox;
      import javafx.stage.Stage;

      public class Test8 extends Application
      {
      public static void main(final String[] args)
      {
      launch(args);
      }

      @Override
      public void start(final Stage primaryStage) throws Exception
      {
      final VBox vbox = new VBox();
      vbox.setPrefWidth(400);
      vbox.setPrefHeight(400);

      primaryStage.setScene(new Scene(vbox));
      primaryStage.show();

      final FlowPane flowPane1 = new FlowPane(new Button("Button 1"), new Button("Button 2"), new Button("Button 3"));
      flowPane1.setMaxWidth(Double.MAX_VALUE);
      flowPane1.setPrefWrapLength(-1);

      final TitledPane titledPane1 = new TitledPane("Hello", flowPane1);
      titledPane1.setMaxWidth(Double.MAX_VALUE);

      final FlowPane flowPane2 = new FlowPane(new Button("Button 1"), new Button("Button 2"), new Button("Button 3"));
      flowPane2.setMaxWidth(Double.MAX_VALUE);
      flowPane2.setPrefWrapLength(400);

      final TitledPane titledPane2 = new TitledPane("Hello", flowPane2);
      titledPane2.setMaxWidth(Double.MAX_VALUE);

      vbox.getChildren().addAll(titledPane1, titledPane2);
      }
      }

      Try to change width of the window to see how buttons within flow panes do or do not wrap. Also try replacing the last line with

      vbox.getChildren().addAll(flowPane1, flowPane2);

      to see differences in behavior.

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            Assignee:
            msladecek Martin Sládeček
            Reporter:
            jsmucrjfx Jan Smucr (Inactive)
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              Created:
              Updated:
              Resolved:
              Imported: