TreeItemMousePostion.java Source code

Introduction

Here is the source code for TreeItemMousePostion.java

Source

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
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.Tree;
import org.eclipse.swt.widgets.TreeItem;

public class TreeItemMousePostion {

    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        final Tree tree = new Tree(shell, SWT.BORDER | SWT.MULTI);
        for (int i = 0; i < 12; i++) {
            TreeItem treeItem = new TreeItem(tree, SWT.NONE);
            treeItem.setText("Item " + i);
        }
        tree.addListener(SWT.MouseDown, new Listener() {
            public void handleEvent(Event event) {
                Point point = new Point(event.x, event.y);
                TreeItem item = tree.getItem(point);
                if (item != null) {
                    System.out.println("Mouse down: " + item);
                }
            }
        });
        tree.setSize(200, 200);
        shell.setSize(300, 300);
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

}