diff options
| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Master/Reference Architectures and Patterns/hjp5/examples/Listing3612.java | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing3612.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/hjp5/examples/Listing3612.java | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing3612.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3612.java new file mode 100644 index 0000000..ba756fd --- /dev/null +++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3612.java @@ -0,0 +1,59 @@ +/* Listing3612.java */
+
+import java.awt.*;
+import javax.swing.*;
+
+public class Listing3612
+extends JFrame
+{
+ public Listing3612()
+ {
+ super("Transparenz");
+ addWindowListener(new WindowClosingAdapter(true));
+ Container cp = getContentPane();
+ //SimpleGridComponent erzeugen
+ SimpleGridComponent grid = new SimpleGridComponent();
+ grid.setLayout(new FlowLayout(FlowLayout.CENTER));
+ //Transparenten Button hinzufügen
+ JButton button = new JButton("Transparent");
+ button.setOpaque(false);
+ grid.add(button);
+ //Undurchsichtigen Button hinzufügen
+ button = new JButton("Opaque");
+ grid.add(button);
+ //SimpleGridComponent hinzufügen
+ cp.add(grid, BorderLayout.CENTER);
+ }
+
+ public static void main(String[] args)
+ {
+ try {
+ String plaf = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
+ UIManager.setLookAndFeel(plaf);
+ Listing3612 frame = new Listing3612();
+ frame.setLocation(100, 100);
+ frame.setSize(300, 100);
+ frame.setVisible(true);
+ } catch (Exception e) {
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+}
+
+class SimpleGridComponent
+extends JComponent
+{
+ protected void paintComponent(Graphics g)
+ {
+ int width = getSize().width;
+ int height = getSize().height;
+ g.setColor(Color.gray);
+ for (int i = 0; i < width; i += 10) {
+ g.drawLine(i, 0, i, height);
+ }
+ for (int i = 0; i < height; i += 10) {
+ g.drawLine(0, i, width, i);
+ }
+ }
+}
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