This article describes the customized TextField function implemented by Java Swing. Share it for your reference, as follows:
Let’s take a look at the running effect:
The specific code is as follows:
package themedemo;import java.awt.BasicStroke;import java.awt.BorderLayout;import java.awt.Color;import java.awt.Graphics2D;import java.awt.GridLayout;import java.awt.Insets;import java.awt.RenderingHints;import java.util.Map;import javax.swing.BorderFactory;import javax.swing.JComponent;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JTextField;import javax.swing.Painter;import javax.swing.SwingUtilities;import javax.swing.UIDefaults;import javax.swing.UIManager;import javax.swing.WindowConstants;public class TextFieldSkinDemo { public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { public void run() { for (UIManager.LookAndFeelInfo laf: UIManager .getInstalledLookAndFeels()) { if ("Nimbus".equals(laf.getName())) { try { UIManager.setLookAndFeel(laf.getClassName()); } catch (Exception e) { e.printStackTrace(); } } } for (Map.Entry<Object, Object> entry : UIManager .getLookAndFeelDefaults().entrySet()) { if ((entry.getKey().toString()).startsWith("TextField")) { System.out.println(entry.getKey() + " = " + entry.getValue()); } } JFrame frame = new JFrame("www.VeVB.COM - TextField Skining Demo"); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.getContentPane().setLayout(new BorderLayout()); JPanel panel = new JPanel(new GridLayout(0, 1, 20, 20)); panel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); panel.setBackground(Color.darkGray); UIDefaults textFieldDefaults = new UIDefaults(); textFieldDefaults.put("TextField.contentMargins", new Insets(6, 6, 6, 6)); textFieldDefaults.put("TextField[Selected].textForeground", Color.WHITE); textFieldDefaults.put("TextField.backgroundPainter", new Painter<JComponent>() { public void paint(Graphics2D g, JComponent c, int w, int h) { g.setRenderingHint( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g.setStroke(new BasicStroke(2f)); g.setColor(Color.WHITE); g.fillRoundRect(0, 0, w - 2, h - 2, 8, 8); } }); textFieldDefaults.put("TextField.borderPainter", new Painter<JComponent>() { public void paint(Graphics2D g, JComponent c, int w, int h) { g.setRenderingHint( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g.setStroke(new BasicStroke(2f)); g.setColor(Color.LIGHT_GRAY); g.drawRoundRect(0, 0, w - 2, h - 2, 8, 8); } }); JTextField textField = new JTextField(15); panel.add(textField); textField.putClientProperty("Nimbus.Overrides", textFieldDefaults); textField.putClientProperty("Nimbus.Overrides.InheritDefaults", false); // Add a normal theme slider for comparison JTextField normalTextField = new JTextField(15); panel.add(normalTextField); frame.getContentPane().add(panel, BorderLayout.CENTER); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); } }); }}For more information about Java algorithms, readers who are interested in this site can view the topics: "Java Data Structure and Algorithm Tutorial", "Summary of Java Operation DOM Node Tips", "Summary of Java File and Directory Operation Tips" and "Summary of Java Cache Operation Tips"
I hope this article will be helpful to everyone's Java programming.