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POMaking GridBagLayout looks like in pattern
 

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  1. POMaking GridBagLayout looks like in pattern
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    <p>I want to do something like this:</p> <p><img src="https://i.imgur.com/4Vty3CI.jpg" alt="pattern"></p> <p>Here is my code:</p> <pre><code>public class MainFrame extends JFrame{ public MainFrame(){ super("Symulator Lotow"); JPanel returnPanel = new JPanel(new GridBagLayout()); add(returnPanel); Vector&lt;JButton&gt; v = new Vector&lt;JButton&gt;(); int licznik = 0; GridBagConstraints c = new GridBagConstraints(); c.fill = GridBagConstraints.BOTH; c.ipadx = 0; c.ipady = 0; c.insets = new Insets(0,0,0,0); c.weightx = 1.0; c.weighty = 1.0; c.anchor = GridBagConstraints.CENTER; v.add(new JButton()); c.gridwidth = 6; c.gridheight = 6; c.gridx = 0; c.gridy = 0; v.get(licznik).setBackground(Color.black); returnPanel.add(v.get(licznik),c); licznik++; v.add(new JButton()); c.gridwidth = 6; c.gridheight = 4; c.gridx = 6; c.gridy = 0; v.get(licznik).setBackground(Color.white); returnPanel.add(v.get(licznik),c); licznik++; v.add(new JButton()); c.gridwidth = 3; c.gridheight = 2; c.gridx = 6; c.gridy = 4; v.get(licznik).setBackground(Color.blue); returnPanel.add(v.get(licznik),c); licznik++; v.add(new JButton()); c.gridwidth = 3; c.gridheight = 2; c.gridx = 9; c.gridy = 4; v.get(licznik).setBackground(Color.yellow); returnPanel.add(v.get(licznik),c); licznik++; v.add(new JButton()); c.gridwidth = 6; c.gridheight = 2; c.gridx = 0; c.gridy = 6; v.get(licznik).setBackground(Color.yellow); returnPanel.add(v.get(licznik),c); licznik++; v.add(new JButton()); c.gridwidth = 6; c.gridheight = 2; c.gridx = 6; c.gridy = 6; v.get(licznik).setBackground(Color.yellow); returnPanel.add(v.get(licznik),c); licznik++; v.add(new JButton()); c.gridwidth = 4; c.gridheight = 2; c.gridx = 0; c.gridy = 8; v.get(licznik).setBackground(Color.red); returnPanel.add(v.get(licznik),c); licznik++; v.add(new JButton()); c.gridwidth = 4; c.gridheight = 2; c.gridx = 4; c.gridy = 8; v.get(licznik).setBackground(Color.red); returnPanel.add(v.get(licznik),c); licznik++; v.add(new JButton()); c.gridwidth = 4; c.gridheight = 2; c.gridx = 8; c.gridy = 8; v.get(licznik).setBackground(Color.red); returnPanel.add(v.get(licznik),c); licznik++; this.setExtendedState(JFrame.MAXIMIZED_BOTH); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); this.setResizable(true); } public static void main(String[] args) { // TODO Auto-generated method stub new MainFrame(); } } </code></pre> <p>As can be seen when my code is run, it doesn't look like in the pattern. The colors are just samples, so I don't care about them. I just want the relative sizes of buttons to be correct. Where is my mistake?</p>
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