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Diffstat (limited to 'examples/widgets/graphicsview/padnavigator/roundrectitem.cpp')
-rw-r--r-- | examples/widgets/graphicsview/padnavigator/roundrectitem.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/examples/widgets/graphicsview/padnavigator/roundrectitem.cpp b/examples/widgets/graphicsview/padnavigator/roundrectitem.cpp new file mode 100644 index 0000000000..1438db3a9c --- /dev/null +++ b/examples/widgets/graphicsview/padnavigator/roundrectitem.cpp @@ -0,0 +1,113 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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 "roundrectitem.h" + +#include <QtWidgets/QtWidgets> + +//! [0] +RoundRectItem::RoundRectItem(const QRectF &bounds, const QColor &color, + QGraphicsItem *parent) + : QGraphicsObject(parent), fillRect(false), bounds(bounds) +{ + gradient.setStart(bounds.topLeft()); + gradient.setFinalStop(bounds.bottomRight()); + gradient.setColorAt(0, color); + gradient.setColorAt(1, color.dark(200)); + setCacheMode(ItemCoordinateCache); +} +//! [0] + +//! [1] +QPixmap RoundRectItem::pixmap() const +{ + return pix; +} +void RoundRectItem::setPixmap(const QPixmap &pixmap) +{ + pix = pixmap; + update(); +} +//! [1] + +//! [2] +QRectF RoundRectItem::boundingRect() const +{ + return bounds.adjusted(0, 0, 2, 2); +} +//! [2] + +//! [3] +void RoundRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, + QWidget *widget) +{ + Q_UNUSED(option); + Q_UNUSED(widget); + painter->setPen(Qt::NoPen); + painter->setBrush(QColor(0, 0, 0, 64)); + painter->drawRoundRect(bounds.translated(2, 2)); +//! [3] +//! [4] + if (fillRect) + painter->setBrush(QApplication::palette().brush(QPalette::Window)); + else + painter->setBrush(gradient); + painter->setPen(QPen(Qt::black, 1)); + painter->drawRoundRect(bounds); +//! [4] +//! [5] + if (!pix.isNull()) { + painter->scale(1.95, 1.95); + painter->drawPixmap(-pix.width() / 2, -pix.height() / 2, pix); + } +} +//! [5] + +//! [6] +bool RoundRectItem::fill() const +{ + return fillRect; +} +void RoundRectItem::setFill(bool fill) +{ + fillRect = fill; + update(); +} +//! [6] |