asquare.gwt.tests.clientcoords.client.Demo.java Source code

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Here is the source code for asquare.gwt.tests.clientcoords.client.Demo.java

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/*
 * Copyright 2006 Mat Gessel <mat.gessel@gmail.com>
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package asquare.gwt.tests.clientcoords.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.Event.NativePreviewEvent;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TextArea;

public class Demo implements EntryPoint {
    public void onModuleLoad() {
        RootPanel.get("outer").add(new Label("Event client position"));
        final TextArea output = new TextArea();
        RootPanel.get("outer").add(output);
        Event.addNativePreviewHandler(new Event.NativePreviewHandler() {
            public void onPreviewNativeEvent(NativePreviewEvent event) {
                if (event.getTypeInt() == Event.ONMOUSEDOWN) {
                    NativeEvent nativeEvent = event.getNativeEvent();
                    output.setText("clientX=" + nativeEvent.getClientX() + ", clientY=" + nativeEvent.getClientY());
                }
            }
        });
    }
}