ColorDialog: setRGB(RGB rgb) : ColorDialog « org.eclipse.swt.widgets « Java by API






ColorDialog: setRGB(RGB rgb)


import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.ColorDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class MainClass {

  public static void main(String[] a) {
    final Display d = new Display();
    final Shell s = new Shell(d);

    s.setSize(300, 300);

    s.setText("A ColorDialog Example");
    s.setLayout(new FillLayout(SWT.VERTICAL));
    final Text t = new Text(s, SWT.BORDER | SWT.MULTI);
    final Button b = new Button(s, SWT.PUSH | SWT.BORDER);
    b.setText("Change Color");
    b.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        ColorDialog cd = new ColorDialog(s);
        cd.setText("ColorDialog Demo");
        cd.setRGB(new RGB(255, 255, 255));
        RGB newColor = cd.open();
        if (newColor == null) {
          return;
        }
        t.setBackground(new Color(d, newColor));
      }
    });
    s.open();

    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();

  }
}

           
       








Related examples in the same category

1.new ColorDialog(Shell s)
2.ColorDialog: open()