question from a novice in GWT

[nyankov]

Hello,

I am wondering. What is the way to implement toolbar in browser
window. I want the toolbar to be fixed on window bottom always (even
on scrolling and resize). Also I want the toolbar to be just a widget.

Here what I already did, but on scrolling the panal flickering....


package com.mycompany.project.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.Window.ScrollEvent;
import com.google.gwt.user.client.Window.ScrollHandler;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.AbsolutePanel;

public class GwtTest implements EntryPoint {
        public void onModuleLoad() {
                RootPanel rootPanel = RootPanel.get();
                final AbsolutePanel absolutePanel = new AbsolutePanel();
                rootPanel.add(absolutePanel, 0, 244);
                absolutePanel.setSize("100%", "51px");
                Button button1 = new Button("New button");
                Button button2 = new Button("New button");
                Button button3 = new Button("New button");
                absolutePanel.add(button1);
                absolutePanel.add(button2);
                absolutePanel.add(button3);

                com.google.gwt.user.client.Element h = 
absolutePanel.getElement();
                DOM.setStyleAttribute(h, "top", 
(Window.getClientHeight()-51)+"px");

                Window.addWindowScrollHandler(new ScrollHandler() {
                        @Override
                        public void onWindowScroll(ScrollEvent event) {
                                com.google.gwt.user.client.Element h = 
absolutePanel.getElement();
                                DOM.setStyleAttribute(h, "top", 
(Window.getClientHeight()
+event.getScrollTop()-51)+"px");
                        }
                });

                Window.addResizeHandler(new ResizeHandler() {
                        @Override
                        public void onResize(ResizeEvent event) {
                                com.google.gwt.user.client.Element h = 
absolutePanel.getElement();
                                DOM.setStyleAttribute(h, "top", 
(event.getHeight()-51)+"px");
                        }
                });
        }
}



Thank you in advance

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