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();
}
}
|