Name: dmR10075 Date: 03/10/2004


Run the test below. Move the window so that it becomes partially
obscured by Gnome toolbar or by some other window on the desktop. Scroll
the scrollpane - either by dragging or mousewheeling. While scrolling,
the frame should remain UNDER some other window(the best is to keep it
under toolbar). You will see that part of the text area that comes from
under the toolbar(becomes unobscured) is gray, it doesn't get repainted.
Move window from under the toolbar - scrolling now makes everything
repaint correctly.

I was able to reproduce the bug on Linux RH9, Gnome, with JDK1.5.0
b39,40,41.

Test case:
import javax.swing.*;

public class ScrollPaneBug {
    public static void main(String[] args) throws Throwable {
        JFrame frame = new JFrame("Test for JScrollPane paint bug");
        JComponent text = new JEditorPane("text/plain",
"fgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\nfgdgfd\n");
        frame.getContentPane().add(new JScrollPane(text));
        frame.setSize(100, 150);
        frame.setVisible(true);
    }
}

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