Hallo zusammen,
habe dieses Beispiel zu einer ProgressBar zwar schon einmal eingestellt, aber noch keine Lösung bekommen (oder selbst gefunden 
Das Problem ist, dass die ProgressBar während der Berechnung anhält.
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.ProgressBar;
import org.eclipse.swt.widgets.Shell;
/**
*
* Klasse zum Test der ProgressBar-Funktionalität
*
*/
public class ProgressTest {
Display display;
private Shell shell;
Composite upComposite;
Composite downComposite;
ProgressBar pb;
ProgressBar pb2;
Label label;
/**
*
*/
public ProgressTest() {
this.display = new Display();
this.shell = new Shell();
this.shell.setText(„ProgressTest“);
this.shell.setSize(400, 200);
createGUI();
this.shell.open();
while (!this.shell.isDisposed()) {
if (!this.display.readAndDispatch())
this.display.sleep();
}
}
private void createGUI() {
this.shell.setLayout(new GridLayout());
/**
* oben
*/
this.upComposite = new Composite(this.shell, SWT.BORDER);
this.upComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
this.upComposite.setLayout(new GridLayout(1, false));
Button goButton = new Button(this.upComposite, SWT.FLAT);
goButton.setText(„GO“);
goButton.setLayoutData(new GridData(80, 20));
goButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent arg0) {
process_go();
}
});
this.pb = new ProgressBar(this.upComposite, SWT.SMOOTH);
this.pb.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
this.pb.setMaximum(100);
this.pb.setMinimum(0);
this.pb2 = new ProgressBar(this.upComposite, SWT.SMOOTH
| SWT.INDETERMINATE);
this.pb2.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
/**
* unten
*/
this.downComposite = new Composite(this.shell, SWT.BORDER);
this.downComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
this.downComposite.setLayout(new GridLayout(1, false));
this.label = new Label(this.downComposite, SWT.NONE);
this.label.setLayoutData(new GridData(GridData.FILL_BOTH));
this.label.setText(„press „GO“ to start“);
}
protected void process_go() {
this.label.setText("…");
double summe = berechnen();
this.label.setText("Summe: " + Math.round(summe));
}
/**
* @return int
*
*/
public double berechnen() {
Berechnung myBerechnung = new Berechnung(this);
this.display.syncExec(myBerechnung);
return myBerechnung.getSum();
}
/**
* @param value
*/
public void neueAnzeige(final int value) {
this.display.asyncExec(new Runnable() {
public void run() {
ProgressTest.this.pb.setSelection(value);
}
});
}
/**
* @param args
*/
public static void main(String[] args) {
new ProgressTest();
}
}
/**
*
* Berechnung: Runnable
*
*/
class Berechnung implements Runnable {
private ProgressTest myTest;
private double sum = 1;
/**
*
* @param myTest
*/
public Berechnung(ProgressTest myTest) {
this.myTest = myTest;
}
public void run() {
for (int i = 0; i