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POProblems implementing GridBagLayout in Java
 

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  1. POProblems implementing GridBagLayout in Java
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    <p>I am trying to implement GridBagLayout in Java for a Sign in dialog that I have to make for a program that I am building. I am going for the clean Google sign in. The main issue that I am having is that the constraints that I have set using <code>GridBagConstraints</code> is not working. Here is what I would like the dialog to look like. </p> <p><img src="https://i.stack.imgur.com/fNyBj.png" alt="A simple sign in dialog using java"></p> <p>And here is the code for the dialog I am trying to implement.</p> <pre><code>import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Login_Dialog extends JDialog{ // SEtting up the required components for the sign in /** * */ private static final long serialVersionUID = 1L; protected JLabel username_Label = new JLabel("Username"); protected JLabel password_Label = new JLabel("Username"); protected JTextField username_Field = new JTextField(30); protected JTextField password_Field = new JTextField(30); protected JButton sign_In = new JButton("Sign in!"); public Login_Dialog() { setSize(600,400); setTitle("Sign in"); setLayout(new GridBagLayout()); GridBagConstraints c = new GridBagConstraints(); c.fill = GridBagConstraints.HORIZONTAL; c.gridx = 0; c.gridy = 0; add(username_Label); c.fill = GridBagConstraints.HORIZONTAL; // c.weightx = 0.5; c.gridx = 1; c.gridy = 0; add(username_Field); c.fill = GridBagConstraints.HORIZONTAL; c.weightx = 0.5; c.gridx = 0; c.gridy = 2; add(password_Label); c.fill = GridBagConstraints.HORIZONTAL; c.weightx = 0.5; c.gridx = 0; c.gridy = 4; add(password_Field); c.fill = GridBagConstraints.HORIZONTAL; c.weightx = 0.5; c.gridx = 0; c.gridy = 5; add(sign_In); setVisible(true); } } </code></pre> <p>UPDATE: </p> <p>I have made some changes and it seems that I am reaching my desired result. Now the issue is that everything is centred and the length of the button is too wide. Also, I would like the textfield and label to much bigger.</p> <p>Here is the updated for the <code>GridBagLayout</code></p> <pre><code>//cusotmization of buttons Dimension signD = sign_In.getPreferredSize(); signD.height = 50; signD.width = 30; sign_In.setPreferredSize(signD); GridBagConstraints c = new GridBagConstraints(); c.fill = GridBagConstraints.HORIZONTAL; c.gridx = 0; c.gridy = 0; add(username_Label,c); c.fill = GridBagConstraints.HORIZONTAL; // c.weightx = 0.5; c.gridx = 0; c.gridy = 1; add(username_Field,c); c.fill = GridBagConstraints.HORIZONTAL; // c.weightx = 0.5; c.gridx = 0; c.gridy = 2; add(password_Label,c); c.fill = GridBagConstraints.HORIZONTAL; // c.weightx = 0.5; c.gridx = 0; c.gridy = 3; add(password_Field,c); // // c.fill = GridBagConstraints.HORIZONTAL; // c.weightx = 0.5; c.gridx = 0; c.gridy = 5; // add(sign_In,c); </code></pre>
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