Arrow Button Example
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class ArrowButtonExample {
Display d;
Shell s;
ArrowButtonExample() {
d = new Display();
s = new Shell(d);
s.setSize(250, 250);
s.setText("A Button Example");
final Button b1 = new Button(s, SWT.ARROW | SWT.UP);
b1.setBounds(100, 55, 20, 15);
final Button b2 = new Button(s, SWT.ARROW | SWT.DOWN);
b2.setBounds(100, 70, 20, 15);
final Text t1 = new Text(s, SWT.BORDER | SWT.SINGLE | SWT.CENTER);
t1.setBounds(80, 55, 20, 30);
t1.setText("1");
t1.selectAll();
b1.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
int n = new Integer(t1.getText()).intValue();
n++;
t1.setText(new Integer(n).toString());
t1.selectAll();
}
});
b2.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
int n = new Integer(t1.getText()).intValue();
n--;
t1.setText(new Integer(n).toString());
t1.selectAll();
}
});
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
public static void main(String[] argv) {
new ArrowButtonExample();
}
}
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