Java Tutorial/SWT/Slider Event — различия между версиями

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Текущая версия на 15:20, 31 мая 2010

Print scroll event details

/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
//package org.eclipse.swt.snippets;
/*
 * Slider example snippet: print scroll event details
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Slider;
public class SliderPrintScrollEvent {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Slider slider = new Slider(shell, SWT.HORIZONTAL);
    slider.setBounds(10, 10, 200, 32);
    slider.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        String string = "SWT.NONE";
        switch (event.detail) {
        case SWT.DRAG:
          string = "SWT.DRAG";
          break;
        case SWT.HOME:
          string = "SWT.HOME";
          break;
        case SWT.END:
          string = "SWT.END";
          break;
        case SWT.ARROW_DOWN:
          string = "SWT.ARROW_DOWN";
          break;
        case SWT.ARROW_UP:
          string = "SWT.ARROW_UP";
          break;
        case SWT.PAGE_DOWN:
          string = "SWT.PAGE_DOWN";
          break;
        case SWT.PAGE_UP:
          string = "SWT.PAGE_UP";
          break;
        }
        System.out.println("Scroll detail -> " + string);
      }
    });
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}