Fix Java GUI Problem: Textboxes Being Cut Off

  • Java
  • Thread starter DarkAnt
  • Start date
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    Java
In summary, the conversation discusses a problem with a program's GUI where the textboxes at the bottom are being cut off. The person asking for help has little experience with GUIs and is seeking assistance in determining why this is happening and how to fix it. They provide their code and mention that the issue has occurred on two different computers, one running Windows XP and the other Windows 2000. They also mention that adding the method this.pack() did not solve the problem.
  • #1
DarkAnt
195
0
My program has a slight gui problem. The bottom of my gui (the textboxes) are being cut off. I have no idea why this is happening and I have very little experience with GUIs. Could someone tell me why this is happening and how to fix it/better way of doing it. Thanks

ok here is my code

Code:
package project_7_6;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

class Gui extends JFrame implements ActionListener{
  JLabel principalLabel;
  JLabel downpaymentLabel;
  JLabel monthlyPaymentLabel;
  JLabel interestLabel;
  JLabel yearsLabel;
  JTextField principalField;
  JTextField downpaymentField;
  JTextField monthlyPaymentField;
  JTextField interestField;
  JTextField yearsField;
  JTextArea monthTextArea;
  JTextArea totalBalanceOwedTextArea;
  JTextArea interestOwedTextArea;
  JTextArea principalOwedTextArea;
  JTextArea paymentTextArea;
  JTextArea amountOwedTextArea;
  JButton calculateButton;
  JScrollPane scroll1;
  JScrollPane scroll2;
  JScrollPane scroll3;
  JScrollPane scroll4;
  JScrollPane scroll5;
  JScrollPane scroll6;

  int month;
  public double ballanceOwed, amountOwed, principal, downPayment, monthlyPayment, annualInterest, interestOwed, principalOwed, payment;
  public String strPrincipal;
  public String strDownpayment;
  public String strMonthlyPayment;
  public String strInterest;
  public String strYears;
  public String strBallanceOwed;
  public String strPayment;
  public String strMonth;
  public String strAmountOwed;


  public Gui() {

    super("TidBit Computer Store Ripoffs");
    setSize(400,500);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container pane = getContentPane();
    FlowLayout flow = new FlowLayout(FlowLayout.LEFT);
    FlowLayout button = new FlowLayout(FlowLayout.CENTER);
    GridLayout grid = new GridLayout(7,2);
    pane.setLayout(grid);
    JPanel row1 = new JPanel();
    principalLabel = new JLabel("Principal: $", JLabel.RIGHT);
    principalField = new JTextField(8);
    JPanel row2 = new JPanel();
    downpaymentLabel = new JLabel("Down Payment: $", JLabel.RIGHT);
    downpaymentField = new JTextField(8);
    JPanel row3 = new JPanel();
    monthlyPaymentLabel = new JLabel("Monthly Payment:", JLabel.RIGHT);
    monthlyPaymentField = new JTextField(8);
    JPanel row4 = new JPanel();
    interestLabel = new JLabel("Interest:", JLabel.RIGHT);
    interestField = new JTextField(3);
    JPanel row6 = new JPanel();
    calculateButton = new JButton("Calculate");
    calculateButton.addActionListener(this);
    JPanel row7 = new JPanel();
    monthTextArea = new JTextArea();
    monthTextArea.setLineWrap(true);
    monthTextArea.setWrapStyleWord(true);
    monthTextArea.setRows(12);
    totalBalanceOwedTextArea = new JTextArea();
    totalBalanceOwedTextArea.setLineWrap(true);
    totalBalanceOwedTextArea.setWrapStyleWord(true);
    totalBalanceOwedTextArea.setRows(12);
    interestOwedTextArea = new JTextArea();
    interestOwedTextArea.setLineWrap(true);
    interestOwedTextArea.setWrapStyleWord(true);
    interestOwedTextArea.setRows(12);
    principalOwedTextArea = new JTextArea();
    principalOwedTextArea.setLineWrap(true);
    principalOwedTextArea.setWrapStyleWord(true);
    principalOwedTextArea.setRows(12);
    paymentTextArea = new JTextArea();
    paymentTextArea.setLineWrap(true);
    paymentTextArea.setWrapStyleWord(true);
    paymentTextArea.setRows(12);
    amountOwedTextArea = new JTextArea();
    amountOwedTextArea.setLineWrap(true);
    amountOwedTextArea.setWrapStyleWord(true);
    amountOwedTextArea.setRows(12);
    scroll1 = new JScrollPane(monthTextArea);
    scroll2 = new JScrollPane(totalBalanceOwedTextArea);
    scroll3 = new JScrollPane(interestOwedTextArea);
    scroll4 = new JScrollPane(principalOwedTextArea);
    scroll5 = new JScrollPane(paymentTextArea);
    scroll6 = new JScrollPane(amountOwedTextArea);


    row1.setLayout(flow);
    row2.setLayout(flow);
    row3.setLayout(flow);
    row4.setLayout(flow);
    row6.setLayout(button);
    row7.setLayout(button);

    row1.add(principalLabel);
    row1.add(principalField);
    row2.add(downpaymentLabel);
    row2.add(downpaymentField);
    row3.add(monthlyPaymentLabel);
    row3.add(monthlyPaymentField);
    row4.add(interestLabel);
    row4.add(interestField);
    row6.add(calculateButton);
    row7.add(scroll1);
    row7.add(scroll2);
    row7.add(scroll3);
    row7.add(scroll4);
    row7.add(scroll5);
    row7.add(scroll6);

    pane.add(row1);
    pane.add(row2);
    pane.add(row3);
    pane.add(row4);
    pane.add(row6);
    pane.add(row7);
    setContentPane(pane);
    setVisible(true);
  }


  public void actionPerformed(ActionEvent event)
  {
    String command = event.getActionCommand();
    if (command.equals("Calculate"))
    {
      strPrincipal = principalField.getText();
      strDownpayment = downpaymentField.getText();
      strMonthlyPayment = monthlyPaymentField.getText();
      strInterest = interestField.getText();

      principal = Integer.parseInt(strPrincipal);
      downPayment = Integer.parseInt(strDownpayment);
      monthlyPayment = Integer.parseInt(strMonthlyPayment);
      annualInterest = Integer.parseInt(strInterest);

      monthlyPayment = monthlyPayment * .01;
      annualInterest = annualInterest * .01;

      strMonth = "Month";
      strBallanceOwed = "Ballance Owed";
      strInterest = "Interest Owed";
      strPrincipal = "Principal Owed";
      strPayment = "Payment";
      strAmountOwed = "Amount Owed";

      monthTextArea.setText(strMonth);
      totalBalanceOwedTextArea.setText(strBallanceOwed);
      interestOwedTextArea.setText(strInterest);
      principalOwedTextArea.setText(strPrincipal);
      paymentTextArea.setText(strPayment);
      amountOwedTextArea.setText(strAmountOwed);

      amountOwed = principal - downPayment;
      principalOwed = (principal - downPayment) * monthlyPayment;
      month = 0;
      principalOwed = principalOwed * 100;
      principalOwed = Math.round(principalOwed);
      principalOwed = principalOwed / 100;

      while (amountOwed > 0)
      {
        month++;
        interestOwed = annualInterest * amountOwed / 12;
        interestOwed = interestOwed * 100;
        interestOwed = Math.round(interestOwed);
        interestOwed = interestOwed / 100;

        ballanceOwed = amountOwed;
        ballanceOwed = ballanceOwed * 100;
        ballanceOwed = Math.round(ballanceOwed);
        ballanceOwed = ballanceOwed / 100;

        payment = interestOwed + principalOwed;
        amountOwed = amountOwed - payment;
        amountOwed = amountOwed * 100;
        amountOwed = Math.round(amountOwed);
        amountOwed = amountOwed / 100;


        if(amountOwed <= 0)
        {
          principalOwed = ballanceOwed - interestOwed;
          payment = ballanceOwed;
          amountOwed = 0;
        }

        strMonth = strMonth + "\n" + month;
        monthTextArea.setText(strMonth);

        strBallanceOwed = strBallanceOwed + "\n" + ballanceOwed;
        totalBalanceOwedTextArea.setText(strBallanceOwed);

        strInterest = strInterest + "\n" + interestOwed;
        interestOwedTextArea.setText(strInterest);

        strPrincipal = strPrincipal + "\n" + principalOwed;
        principalOwedTextArea.setText(strPrincipal);

        strPayment = strPayment + "\n" + payment;
        paymentTextArea.setText(strPayment);

        strAmountOwed = strAmountOwed + "\n" + amountOwed;
        amountOwedTextArea.setText(strAmountOwed);
      }
    }
  }

}
 
Last edited:
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  • #2
The textboxes look fine under JDK 1.4.2_04 on Windows.

Can you tell me more about your platform?

You should also call this.pack() before displaying the window.

- Warren
 
  • #3
the textboxes on the bottom look fine to you.
the two computers I've used this on have had issues with them. they cut off the bottom of the textboxes so when i make a scroll bar to go with them the bottom of the scroll bar gets cut off. One computer was running windows xp with JBuilder 10 and the other was running windows 2000 with JBuilder 3.5
I added this.pack() and it didn't do anything noticable
what does this.pack() do?
 
Last edited:

FAQ: Fix Java GUI Problem: Textboxes Being Cut Off

What causes textboxes to be cut off in Java GUI?

Textboxes being cut off in Java GUI can be caused by a variety of factors. One common cause is incorrect sizing or positioning of the textbox within the GUI layout. Another potential cause is a mismatch between the size of the textbox and the size of the font used within it. Additionally, the presence of other components or elements in the GUI can also impact the positioning and visibility of the textbox.

How can I fix textboxes being cut off in Java GUI?

To fix textboxes being cut off in Java GUI, you will need to identify the specific cause of the issue and address it accordingly. This may involve adjusting the sizing and positioning of the textbox, changing the font size, or rearranging other components in the GUI to make room for the textbox. It may also be helpful to test the GUI on different screen resolutions to ensure it is properly displayed on various devices.

Is there a way to prevent textboxes from being cut off in Java GUI?

Yes, there are steps you can take to prevent textboxes from being cut off in Java GUI. First, make sure to use appropriate sizing and positioning for the textbox within the GUI layout. You can also set minimum and maximum size constraints for the textbox to ensure it is always visible. Additionally, using a flexible layout manager, such as GridBagLayout, can help prevent textboxes from being cut off when the GUI is resized.

Why do textboxes sometimes appear differently on different devices?

Textboxes may appear differently on different devices due to variations in screen resolutions, font sizes, and other display settings. It is important to consider these factors when designing a Java GUI to ensure it is compatible with a variety of devices. Testing the GUI on different devices and adjusting the layout and font sizes as needed can help ensure consistent appearance across devices.

Are there any tools or resources that can help with fixing Java GUI problems?

Yes, there are various tools and resources available to help with fixing Java GUI problems. The Java Swing documentation and tutorials can provide valuable information and examples on how to design and troubleshoot GUIs. There are also online forums and communities where you can ask for help and advice from experienced Java developers. Additionally, using a GUI builder tool, such as NetBeans or Eclipse, can make it easier to design and test GUIs.

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