javafx virtual keyboard 자동 바운스 간격 조절 처리.

하단 텍스트 필드를 선택시 키보드를 밀려오면서 이상하게 배치되는 현상을 고쳐 수정했다.

샘플 코드는 다음과 같다.

package javafx;

import java.util.Iterator;

import javafx.application.Application;

import javafx.application.Platform;

import javafx.geometry.Bounds;

import javafx.geometry.Rectangle2D;

import javafx.scene.Node;

import javafx.scene.Parent;

import javafx.scene.Scene;

import javafx.scene.control.Button;

import javafx.scene.control.TextField;

import javafx.scene.layout.BorderPane;

import javafx.scene.layout.VBox;

import javafx.stage.PopupWindow;

import javafx.stage.Screen;

import javafx.stage.Stage;

import javafx.stage.Window;

public class MainFXVK extends Application {

private PopupWindow keyboard;

private final Rectangle2D visualBounds = Screen.getPrimary().getVisualBounds();

private final Rectangle2D bounds = Screen.getPrimary().getBounds();

public static void main(String[] args) {

        Application.launch(args);

    }

@Override

public void start(Stage stage) {

////실행전 설정 - run configurations - arguments - VM arguments  

// -Dcom.sun.javafx.isEmbedded=false

// -Dcom.sun.javafx.touch=true

// -Dcom.sun.javafx.virtualKeyboard=javafx

   TextField tfComment   = new TextField();

   TextField tfComment1  = new TextField();

   TextField tfComment2  = new TextField();

   TextField tfComment3  = new TextField();

   TextField tfComment4  = new TextField();

   TextField tfComment5  = new TextField();

   TextField tfComment6  = new TextField();

   TextField tfComment7  = new TextField();

   TextField tfComment8  = new TextField();

   TextField tfComment9  = new TextField();

   TextField tfComment10 = new TextField();

   TextField tfComment11 = new TextField();

   TextField tfComment12 = new TextField();

   TextField tfComment13 = new TextField();

   TextField tfComment14 = new TextField();

   TextField tfComment15 = new TextField();

   TextField tfComment16 = new TextField();

   TextField tfComment17 = new TextField();

   TextField tfComment18 = new TextField();

   setKeyboardPosition(stage, tfComment);

   setKeyboardPosition(stage, tfComment1);

   setKeyboardPosition(stage, tfComment2);

   setKeyboardPosition(stage, tfComment3);

   setKeyboardPosition(stage, tfComment4);

   setKeyboardPosition(stage, tfComment5);

   setKeyboardPosition(stage, tfComment6);

   setKeyboardPosition(stage, tfComment7);

   setKeyboardPosition(stage, tfComment8);

   setKeyboardPosition(stage, tfComment9);

   setKeyboardPosition(stage, tfComment10);

   setKeyboardPosition(stage, tfComment11);

   setKeyboardPosition(stage, tfComment12);

   setKeyboardPosition(stage, tfComment13);

   setKeyboardPosition(stage, tfComment14);

   setKeyboardPosition(stage, tfComment15);

   setKeyboardPosition(stage, tfComment16);

   setKeyboardPosition(stage, tfComment17);

   setKeyboardPosition(stage, tfComment18);

   

   

   VBox vbox = new VBox();

   vbox.getChildren().addAll(

    tfComment  

    ,tfComment1 

    ,tfComment2 

    ,tfComment3 

    ,tfComment4 

    ,tfComment5 

    ,tfComment6 

    ,tfComment7 

    ,tfComment8 

    ,tfComment9 

    ,tfComment10

    ,tfComment11

    ,tfComment12

    ,tfComment13

    ,tfComment14

    ,tfComment15

    ,tfComment16

    ,tfComment17

    ,tfComment18

    );

   

   BorderPane borderPane = new BorderPane(new Button("virtual keyboard Down"));

   borderPane.setBottom(vbox);

   Scene scene = new Scene(borderPane);

   stage.setScene(scene);

   stage.setX(visualBounds.getMinX());

   stage.setY(visualBounds.getMinY());

   stage.setWidth(visualBounds.getWidth());

   stage.setHeight(visualBounds.getHeight());

   

   stage.show();

    

}

public void setKeyboardPosition(Stage stage, TextField textField) {

textField.focusedProperty().addListener((textFieldObj,oldValue,newValue)->{

Bounds textFieldOffset = textField.localToScene(textField.getBoundsInLocal());

       if( keyboard == null ) {

        keyboard = getPopupWindow();

       

           Platform.runLater(()->{

           

            int keyboardGetY = (int) bounds.getHeight() - (int) keyboard.getHeight();

           

            if ( textFieldOffset.getMaxY() > keyboardGetY) {

            stage.setY( - (int)keyboard.getHeight() );

            } else {

            stage.setY( 0 );

            }

           

           });

   }

       

       if (!newValue ) {

        keyboard = null;

       }

        });

}

private PopupWindow getPopupWindow() {

   @SuppressWarnings("deprecation") 

   final Iterator<Window> windows = Window.impl_getWindows();

   while (windows.hasNext()) {

       final Window window = windows.next();

       if (window instanceof PopupWindow) {

           if(window.getScene()!=null && window.getScene().getRoot()!=null){ 

               Parent root = window.getScene().getRoot();

               if(root.getChildrenUnmodifiable().size()>0){

                   Node popup = root.getChildrenUnmodifiable().get(0);

                   if(popup.lookup(".fxvk")!=null){

                       return (PopupWindow)window;

                   }

               }

           }

           return null;

       }

   }

   return null;

}

     

}