splashitem.cpp Example File | Qt Widgets 5.12.4

Qt 5.12 | Qt Widgets | Pad Navigator Example | splashitem.cpp Example File

Qt 5.12.4 Reference Documentation

# splashitem.cpp Example File

graphicsview/padnavigator/splashitem.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2016 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
      ** and conditions see https://www.qt.io/terms-conditions. For further
      ** information use the contact form at https://www.qt.io/contact-us.
      **
      ** BSD License Usage
      ** Alternatively, you may use this file under the terms of the BSD license
      ** as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      #include "splashitem.h"

      #include <QPainter>

      SplashItem::SplashItem(QGraphicsItem *parent)
          : QGraphicsObject(parent)
      {
          text = tr("Welcome to the Pad Navigator Example. You can use the"
                    " keyboard arrows to navigate the icons, and press enter"
                    " to activate an item. Press any key to begin.");
          setCacheMode(DeviceCoordinateCache);
      }

      QRectF SplashItem::boundingRect() const
      {
          return QRectF(0, 0, 400, 175);
      }

      void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
                             QWidget *widget)
      {
          Q_UNUSED(option);
          Q_UNUSED(widget);
          painter->setPen(QPen(Qt::black, 2));
          painter->setBrush(QColor(245, 245, 255, 220));
          painter->setClipRect(boundingRect());
          painter->drawRoundRect(3, -100 + 3, 400 - 6, 250 - 6);

          QRectF textRect = boundingRect().adjusted(10, 10, -10, -10);
          int flags = Qt::AlignTop | Qt::AlignLeft | Qt::TextWordWrap;

          QFont font;
          font.setPixelSize(18);
          painter->setPen(Qt::black);
          painter->setFont(font);
          painter->drawText(textRect, flags, text);
      }