whatsthisbutton.cpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#include "whatsthisbutton.h"
#include <QWhatsThis>


WhatsThisButton::WhatsThisButton(QWidget *parent) :
    QToolButton(parent)
{
    connect(this, SIGNAL(clicked()), this, SLOT(popup()));
}

void WhatsThisButton::popup()
{
    QPoint myPoint = this->pos();
    myPoint.setY(myPoint.y() - this->height());

    QWhatsThis::showText(mapToGlobal(this->pos()) - myPoint, whatsThis(), this);
}