45 lines
1.3 KiB
Java
45 lines
1.3 KiB
Java
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/* @test
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@bug 6726866
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@summary Repainting artifacts when resizing or dragging JInternalFrames in non-opaque toplevel
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@author Alexander Potochkin
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@run applet/manual=yesno bug6726866.html
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*/
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import javax.swing.*;
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import java.awt.*;
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import java.lang.reflect.Method;
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public class bug6726866 extends JApplet {
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public void init() {
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JFrame frame = new JFrame("bug6726866");
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frame.setUndecorated(true);
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setWindowNonOpaque(frame);
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JDesktopPane desktop = new JDesktopPane();
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desktop.setBackground(Color.GREEN);
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JInternalFrame iFrame = new JInternalFrame("Test", true, true, true, true);
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iFrame.add(new JLabel("internal Frame"));
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iFrame.setBounds(10, 10, 300, 200);
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iFrame.setVisible(true);
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desktop.add(iFrame);
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frame.add(desktop);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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frame.setSize(400, 400);
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frame.setVisible(true);
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frame.toFront();
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}
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private void setWindowNonOpaque(Window w) {
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try {
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Class<?> c = Class.forName("com.sun.awt.AWTUtilities");
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Method m = c.getMethod("setWindowOpaque", Window.class, boolean.class);
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m.invoke(null, w, false);
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}
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catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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