From ce53fe3e4d3dbd5e48e93e99cf188b9c310eb220 2012-03-27 17:32:46 From: Michal Klocek Date: 2012-03-27 17:32:46 Subject: [PATCH] Add missing files from zoomchart example --- diff --git a/examples/zoomlinechart/chartview.cpp b/examples/zoomlinechart/chartview.cpp new file mode 100644 index 0000000..e91243d --- /dev/null +++ b/examples/zoomlinechart/chartview.cpp @@ -0,0 +1,108 @@ +/**************************************************************************** + ** + ** Copyright (C) 2012 Digia Plc + ** All rights reserved. + ** For any questions to Digia, please use contact form at http://qt.digia.com + ** + ** This file is part of the Qt Commercial Charts Add-on. + ** + ** $QT_BEGIN_LICENSE:BSD$ + ** 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 Digia 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." + ** $QT_END_LICENSE$ + ** + ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies). + ** + ****************************************************************************/ + +#include "chartview.h" +#include + +ChartView::ChartView(QChart *chart, QWidget *parent) : + QChartView(chart, parent), m_rubberBand(QRubberBand::Rectangle, this), m_chart(chart) +{ +} + +void ChartView::mousePressEvent(QMouseEvent *event) +{ + if (event->button() != Qt::LeftButton) + return; + + m_origin = event->pos(); + m_rubberBand.setGeometry(QRect(m_origin, QSize())); + m_rubberBand.show(); + + event->accept(); +} + +void ChartView::mouseMoveEvent(QMouseEvent *event) +{ + if (m_rubberBand.isVisible()) + m_rubberBand.setGeometry(QRect(m_origin, event->pos()).normalized()); +} + +void ChartView::mouseReleaseEvent(QMouseEvent *event) +{ + if (event->button() == Qt::LeftButton && m_rubberBand.isVisible()) { + m_rubberBand.hide(); + + QRect rect = m_rubberBand.geometry(); + m_chart->zoomIn(rect); + event->accept(); + } + + if (event->button() == Qt::RightButton) { + m_chart->zoomOut(); + } +} + +void ChartView::keyPressEvent(QKeyEvent *event) +{ + switch (event->key()) { + case Qt::Key_Plus: + m_chart->zoomIn(); + break; + case Qt::Key_Minus: + m_chart->zoomOut(); + break; + case Qt::Key_Left: + m_chart->scrollLeft(); + break; + case Qt::Key_Right: + m_chart->scrollRight(); + break; + case Qt::Key_Up: + m_chart->scrollUp(); + break; + case Qt::Key_Down: + m_chart->scrollDown(); + break; + default: + QGraphicsView::keyPressEvent(event); + break; + } +} diff --git a/examples/zoomlinechart/chartview.h b/examples/zoomlinechart/chartview.h new file mode 100644 index 0000000..6e8aaf7 --- /dev/null +++ b/examples/zoomlinechart/chartview.h @@ -0,0 +1,68 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the Qt Commercial Charts Add-on. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia 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." +** $QT_END_LICENSE$ +** +** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies). +** +****************************************************************************/ + +#ifndef CHARTVIEW_H +#define CHARTVIEW_H +#include +#include + +QTCOMMERCIALCHART_USE_NAMESPACE + +class ChartView : public QChartView +{ +public: + ChartView(QChart *chart, QWidget *parent = 0); + +protected: + void mousePressEvent(QMouseEvent *event); + void mouseMoveEvent(QMouseEvent *event); + void mouseReleaseEvent(QMouseEvent *event); + void keyPressEvent(QKeyEvent *event); + +private: + bool rubberBandIsShown; + QRubberBand m_rubberBand; + QPoint m_origin; + QChart* m_chart; + +}; + +#endif