view visualizer/View/src/com/sun/hotspot/igv/view/actions/MouseOverAction.java @ 9010:08a16c26907f

MX_TESTFILE environment variable can be used to specify (and preserve) the test list file used by 'mx unittest'. This is useful when wanting to run the command under gdb.
author Doug Simon <doug.simon@oracle.com>
date Thu, 11 Apr 2013 21:40:52 +0200
parents 015fb895586b
children
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/*
 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */
package com.sun.hotspot.igv.view.actions;

import org.netbeans.api.visual.action.HoverProvider;
import org.netbeans.api.visual.action.WidgetAction;
import org.netbeans.api.visual.action.WidgetAction.State;
import org.netbeans.api.visual.widget.Widget;

/**
 *
 * @author Thomas Wuerthinger
 */
public class MouseOverAction extends WidgetAction.Adapter {

    private long eventID = Integer.MIN_VALUE;
    private HoverProvider provider;

    public MouseOverAction(HoverProvider provider) {
        this.provider = provider;
    }

    @Override
    public State mouseMoved(Widget widget, WidgetMouseEvent event) {
        long id = event.getEventID();
        if (id != eventID) {
            eventID = id;
            provider.widgetHovered(widget);
        }
        return State.REJECTED;
    }

    @Override
    public State mouseExited(Widget widget, WidgetMouseEvent event) {
        provider.widgetHovered(null);
        return State.REJECTED;
    }
}