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[platform-swt-dev] Embedding AWT in SWT
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Hi All,
I'm new to SWT. I've a specific requirement where I want to embed AWT
components in an SWT shell. I read the documentation and saw the example
code to do the same. I've written a sample code myself, but it behaves a bit
wierd. Here is the code:
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.awt.SWT_AWT;
public class AWTTest {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
shell.setText("AWT Test");
GridLayout gridlayout = new GridLayout();
shell.setLayout(gridlayout);
Composite composite = new Composite(shell, SWT.EMBEDDED);
composite.setLayoutData(new GridData(GridData.FILL_VERTICAL |
GridData.FILL_HORIZONTAL));
//composite.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
java.awt.Frame frame = SWT_AWT.new_Frame(composite);
frame.setLayout(new java.awt.BorderLayout());
java.awt.Panel panel = new java.awt.Panel();
panel.setLayout(new java.awt.FlowLayout());
java.awt.Button b = new java.awt.Button("AWT Button");
java.awt.Choice ch = new java.awt.Choice();
ch.addItem("One");
ch.addItem("Two");
java.awt.Checkbox cb = new java.awt.Checkbox("Checkbox");
java.awt.Label label = new java.awt.Label("Label");
java.awt.List list = new java.awt.List();
list.add("One");
list.add("Two");
java.awt.Scrollbar sb = new
java.awt.Scrollbar(java.awt.Scrollbar.HORIZONTAL, 0, 20, 0, 100);
java.awt.TextField tf = new java.awt.TextField(20);
java.awt.TextArea ta = new java.awt.TextArea(5, 15);
panel.add(b);
panel.add(ch);
panel.add(cb);
panel.add(label);
panel.add(list);
panel.add(sb);
panel.add(tf);
panel.add(ta);
frame.add(panel);
Listener exitListener = new Listener() {
public void handleEvent(Event e) {
shell.dispose();
}
};
shell.addListener(SWT.Close, exitListener);
shell.setLocation(300, 100);
shell.setSize(400, 400);
shell.open();
System.out.println(frame.getSize());
while(!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
}
The code does not display the AWT components. But if I uncomment a line of
code which sets background color of the Composite, the AWT components become
visible. This is happening with SWT 3.0.1 on Solaris platform. What is the
reason for this behavior? What am I doing wrong?
TIA,
Mike
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