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/*******************************************************************************
* Copyright (c) 2000, 2016 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;
/*
* Tool tip snippet: show a tool tip iff it's not fully visible
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet278 {
public static void main (String [] args) {
final Display display = new Display ();
Shell shell = new Shell (display);
shell.setBounds (10, 10, 300, 100);
shell.setLayout (new FillLayout ());
final Label label = new Label (shell, SWT.NONE);
label.setText ("resize the Shell then hover over this Label");
label.addListener (SWT.MouseEnter, event -> {
Point requiredSize = label.computeSize (SWT.DEFAULT, SWT.DEFAULT);
Point labelSize = label.getSize ();
boolean fullyVisible = requiredSize.x <= labelSize.x && requiredSize.y <= labelSize.y;
System.out.println ("Label is fully visible: " + fullyVisible);
label.setToolTipText (fullyVisible ? null : label.getText ());
});
shell.open ();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}
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