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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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||||||
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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|
** 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.
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||||||
|
**
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||||||
|
** GNU General Public License Usage
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||||||
|
** Alternatively, this file may be used under the terms of the GNU
|
||||||
|
** General Public License version 3 or (at your option) any later version
|
||||||
|
** approved by the KDE Free Qt Foundation. The licenses are as published by
|
||||||
|
** the Free Software Foundation and appearing in the file LICENSE.GPL3
|
||||||
|
** included in the packaging of this file. Please review the following
|
||||||
|
** information to ensure the GNU General Public License requirements will
|
||||||
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "chart_callout.h"
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#include <QtGui/QPainter>
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#include <QtGui/QFontMetrics>
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#include <QtWidgets/QGraphicsSceneMouseEvent>
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#include <QtGui/QMouseEvent>
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#include <QtCharts/QChart>
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ChartCallout::ChartCallout(QChart *chart):
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QGraphicsItem(chart),
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m_chart(chart)
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{
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}
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QRectF ChartCallout::boundingRect() const
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{
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QPointF anchor = mapFromParent(m_chart->mapToPosition(m_anchor));
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QRectF rect;
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rect.setLeft(qMin(m_rect.left(), anchor.x()));
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rect.setRight(qMax(m_rect.right(), anchor.x()));
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rect.setTop(qMin(m_rect.top(), anchor.y()));
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rect.setBottom(qMax(m_rect.bottom(), anchor.y()));
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return rect;
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}
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void ChartCallout::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(option)
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Q_UNUSED(widget)
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QPainterPath path;
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path.addRoundedRect(m_rect, 5, 5);
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QPointF anchor = mapFromParent(m_chart->mapToPosition(m_anchor));
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if (!m_rect.contains(anchor)) {
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QPointF point1, point2;
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// establish the position of the anchor point in relation to m_rect
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bool above = anchor.y() <= m_rect.top();
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bool aboveCenter = anchor.y() > m_rect.top() && anchor.y() <= m_rect.center().y();
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bool belowCenter = anchor.y() > m_rect.center().y() && anchor.y() <= m_rect.bottom();
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bool below = anchor.y() > m_rect.bottom();
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bool onLeft = anchor.x() <= m_rect.left();
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bool leftOfCenter = anchor.x() > m_rect.left() && anchor.x() <= m_rect.center().x();
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bool rightOfCenter = anchor.x() > m_rect.center().x() && anchor.x() <= m_rect.right();
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bool onRight = anchor.x() > m_rect.right();
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// get the nearest m_rect corner.
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qreal x = (onRight + rightOfCenter) * m_rect.width();
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qreal y = (below + belowCenter) * m_rect.height();
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bool cornerCase = (above && onLeft) || (above && onRight) || (below && onLeft) || (below && onRight);
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bool vertical = qAbs(anchor.x() - x) > qAbs(anchor.y() - y);
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qreal x1 = x + leftOfCenter * 10 - rightOfCenter * 20 + cornerCase * !vertical * (onLeft * 10 - onRight * 20);
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qreal y1 = y + aboveCenter * 10 - belowCenter * 20 + cornerCase * vertical * (above * 10 - below * 20);;
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point1.setX(x1);
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point1.setY(y1);
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qreal x2 = x + leftOfCenter * 20 - rightOfCenter * 10 + cornerCase * !vertical * (onLeft * 20 - onRight * 10);;
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qreal y2 = y + aboveCenter * 20 - belowCenter * 10 + cornerCase * vertical * (above * 20 - below * 10);;
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point2.setX(x2);
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point2.setY(y2);
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path.moveTo(point1);
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path.lineTo(anchor);
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path.lineTo(point2);
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path = path.simplified();
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}
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painter->setBrush(QColor(255, 255, 255));
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painter->drawPath(path);
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painter->drawText(m_textRect, m_text);
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}
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void ChartCallout::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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event->setAccepted(true);
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}
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void ChartCallout::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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if (event->buttons() & Qt::LeftButton){
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setPos(mapToParent(event->pos() - event->buttonDownPos(Qt::LeftButton)));
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event->setAccepted(true);
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} else {
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event->setAccepted(false);
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}
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}
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void ChartCallout::setText(const QString &text)
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{
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m_text = text;
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QFontMetrics metrics(m_font);
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m_textRect = metrics.boundingRect(QRect(0, 0, 150, 150), Qt::AlignLeft, m_text);
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m_textRect.translate(5, 5);
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prepareGeometryChange();
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m_rect = m_textRect.adjusted(-5, -5, 5, 5);
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}
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void ChartCallout::setAnchor(QPointF point)
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{
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m_anchor = point;
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}
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void ChartCallout::updateGeometry()
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{
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prepareGeometryChange();
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setPos(m_chart->mapToPosition(m_anchor) + QPoint(10, -50));
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}
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@ -0,0 +1,72 @@
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** 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.
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**
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|
** GNU General Public License Usage
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|
** Alternatively, this file may be used under the terms of the GNU
|
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|
** General Public License version 3 or (at your option) any later version
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||||||
|
** approved by the KDE Free Qt Foundation. The licenses are as published by
|
||||||
|
** the Free Software Foundation and appearing in the file LICENSE.GPL3
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||||||
|
** included in the packaging of this file. Please review the following
|
||||||
|
** information to ensure the GNU General Public License requirements will
|
||||||
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef CALLOUT_H
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#define CALLOUT_H
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#include <QtCharts/QChartGlobal>
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#include <QtWidgets/QGraphicsItem>
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#include <QtGui/QFont>
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QT_BEGIN_NAMESPACE
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class QGraphicsSceneMouseEvent;
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QT_END_NAMESPACE
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QT_CHARTS_BEGIN_NAMESPACE
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class QChart;
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QT_CHARTS_END_NAMESPACE
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QT_CHARTS_USE_NAMESPACE
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class ChartCallout : public QGraphicsItem
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{
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public:
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ChartCallout(QChart *parent);
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void setText(const QString &text);
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void setAnchor(QPointF point);
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void updateGeometry();
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QRectF boundingRect() const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget);
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protected:
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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private:
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QString m_text;
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QRectF m_textRect;
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QRectF m_rect;
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QPointF m_anchor;
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QFont m_font;
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QChart *m_chart;
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};
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#endif // CALLOUT_H
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@ -0,0 +1,69 @@
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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||||||
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** $QT_BEGIN_LICENSE:GPL$
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||||||
|
** Commercial License Usage
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||||||
|
** 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.
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|
**
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** GNU General Public License Usage
|
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|
** Alternatively, this file may be used under the terms of the GNU
|
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|
** General Public License version 3 or (at your option) any later version
|
||||||
|
** approved by the KDE Free Qt Foundation. The licenses are as published by
|
||||||
|
** the Free Software Foundation and appearing in the file LICENSE.GPL3
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||||||
|
** included in the packaging of this file. Please review the following
|
||||||
|
** information to ensure the GNU General Public License requirements will
|
||||||
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "drilldownchart.h"
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#include <QtCharts/QBarCategoryAxis>
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#include <QtCharts/QValueAxis>
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QT_CHARTS_USE_NAMESPACE
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DrilldownChart::DrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
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: QChart(QChart::ChartTypeCartesian, parent, wFlags),
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m_currentSeries(0),
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m_axisX(new QBarCategoryAxis()),
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m_axisY(new QValueAxis())
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{
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addAxis(m_axisY, Qt::AlignLeft);
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addAxis(m_axisX, Qt::AlignBottom);
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|
}
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void DrilldownChart::changeSeries(DrilldownBarSeries *series)
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{
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if (m_currentSeries)
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removeSeries(m_currentSeries);
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m_currentSeries = series;
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// Reset axis
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m_axisX->setCategories(m_currentSeries->categories());
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addSeries(series);
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series->attachAxis(m_axisX);
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series->attachAxis(m_axisY);
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m_axisY->setRange(0,m_currentSeries->maxValue());
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setTitle(series->name());
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}
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void DrilldownChart::handleClicked(int index, QBarSet *barset)
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|
{
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|
Q_UNUSED(barset)
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DrilldownBarSeries *series = static_cast<DrilldownBarSeries *>(sender());
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changeSeries(series->drilldownSeries(index));
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}
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#include "moc_drilldownchart.cpp"
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@ -0,0 +1,62 @@
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|
/****************************************************************************
|
||||||
|
**
|
||||||
|
** Copyright (C) 2016 The Qt Company Ltd.
|
||||||
|
** Contact: https://www.qt.io/licensing/
|
||||||
|
**
|
||||||
|
** This file is part of the Qt Charts module of the Qt Toolkit.
|
||||||
|
**
|
||||||
|
** $QT_BEGIN_LICENSE:GPL$
|
||||||
|
** 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.
|
||||||
|
**
|
||||||
|
** GNU General Public License Usage
|
||||||
|
** Alternatively, this file may be used under the terms of the GNU
|
||||||
|
** General Public License version 3 or (at your option) any later version
|
||||||
|
** approved by the KDE Free Qt Foundation. The licenses are as published by
|
||||||
|
** the Free Software Foundation and appearing in the file LICENSE.GPL3
|
||||||
|
** included in the packaging of this file. Please review the following
|
||||||
|
** information to ensure the GNU General Public License requirements will
|
||||||
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
|
||||||
|
**
|
||||||
|
** $QT_END_LICENSE$
|
||||||
|
**
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifndef DRILLDOWNCHART_H
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||||||
|
#define DRILLDOWNCHART_H
|
||||||
|
|
||||||
|
#include <QtCharts/QChart>
|
||||||
|
#include "drilldownseries.h"
|
||||||
|
|
||||||
|
namespace QtCharts {
|
||||||
|
class QBarCategoryAxis;
|
||||||
|
class QValueAxis;
|
||||||
|
}
|
||||||
|
|
||||||
|
QT_CHARTS_USE_NAMESPACE
|
||||||
|
|
||||||
|
//! [1]
|
||||||
|
class DrilldownChart : public QChart
|
||||||
|
{
|
||||||
|
Q_OBJECT
|
||||||
|
public:
|
||||||
|
explicit DrilldownChart(QGraphicsItem *parent = nullptr, Qt::WindowFlags wFlags = {});
|
||||||
|
|
||||||
|
void changeSeries(DrilldownBarSeries *series);
|
||||||
|
|
||||||
|
public Q_SLOTS:
|
||||||
|
void handleClicked(int index, QBarSet *barset);
|
||||||
|
|
||||||
|
private:
|
||||||
|
DrilldownBarSeries *m_currentSeries;
|
||||||
|
QBarCategoryAxis *m_axisX;
|
||||||
|
QValueAxis *m_axisY;
|
||||||
|
};
|
||||||
|
//! [1]
|
||||||
|
|
||||||
|
#endif // DRILLDOWNCHART_H
|
|
@ -0,0 +1,60 @@
|
||||||
|
/****************************************************************************
|
||||||
|
**
|
||||||
|
** Copyright (C) 2016 The Qt Company Ltd.
|
||||||
|
** Contact: https://www.qt.io/licensing/
|
||||||
|
**
|
||||||
|
** This file is part of the Qt Charts module of the Qt Toolkit.
|
||||||
|
**
|
||||||
|
** $QT_BEGIN_LICENSE:GPL$
|
||||||
|
** 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.
|
||||||
|
**
|
||||||
|
** GNU General Public License Usage
|
||||||
|
** Alternatively, this file may be used under the terms of the GNU
|
||||||
|
** General Public License version 3 or (at your option) any later version
|
||||||
|
** approved by the KDE Free Qt Foundation. The licenses are as published by
|
||||||
|
** the Free Software Foundation and appearing in the file LICENSE.GPL3
|
||||||
|
** included in the packaging of this file. Please review the following
|
||||||
|
** information to ensure the GNU General Public License requirements will
|
||||||
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
|
||||||
|
**
|
||||||
|
** $QT_END_LICENSE$
|
||||||
|
**
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#include "drilldownseries.h"
|
||||||
|
|
||||||
|
QT_CHARTS_USE_NAMESPACE
|
||||||
|
|
||||||
|
DrilldownBarSeries::DrilldownBarSeries(QStringList categories, int maxValue, QObject *parent)
|
||||||
|
: QStackedBarSeries(parent),
|
||||||
|
m_maxValue(maxValue)
|
||||||
|
{
|
||||||
|
m_categories = categories;
|
||||||
|
}
|
||||||
|
|
||||||
|
void DrilldownBarSeries::mapDrilldownSeries(int index, DrilldownBarSeries *drilldownSeries)
|
||||||
|
{
|
||||||
|
m_DrilldownSeries[index] = drilldownSeries;
|
||||||
|
}
|
||||||
|
|
||||||
|
DrilldownBarSeries *DrilldownBarSeries::drilldownSeries(int index)
|
||||||
|
{
|
||||||
|
return m_DrilldownSeries[index];
|
||||||
|
}
|
||||||
|
|
||||||
|
QStringList DrilldownBarSeries::categories()
|
||||||
|
{
|
||||||
|
return m_categories;
|
||||||
|
}
|
||||||
|
|
||||||
|
int DrilldownBarSeries::maxValue()
|
||||||
|
{
|
||||||
|
return m_maxValue;
|
||||||
|
}
|
||||||
|
|
|
@ -0,0 +1,60 @@
|
||||||
|
/****************************************************************************
|
||||||
|
**
|
||||||
|
** Copyright (C) 2016 The Qt Company Ltd.
|
||||||
|
** Contact: https://www.qt.io/licensing/
|
||||||
|
**
|
||||||
|
** This file is part of the Qt Charts module of the Qt Toolkit.
|
||||||
|
**
|
||||||
|
** $QT_BEGIN_LICENSE:GPL$
|
||||||
|
** 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.
|
||||||
|
**
|
||||||
|
** GNU General Public License Usage
|
||||||
|
** Alternatively, this file may be used under the terms of the GNU
|
||||||
|
** General Public License version 3 or (at your option) any later version
|
||||||
|
** approved by the KDE Free Qt Foundation. The licenses are as published by
|
||||||
|
** the Free Software Foundation and appearing in the file LICENSE.GPL3
|
||||||
|
** included in the packaging of this file. Please review the following
|
||||||
|
** information to ensure the GNU General Public License requirements will
|
||||||
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
|
||||||
|
**
|
||||||
|
** $QT_END_LICENSE$
|
||||||
|
**
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifndef DRILLDOWNSERIES_H
|
||||||
|
#define DRILLDOWNSERIES_H
|
||||||
|
|
||||||
|
#include <QtCharts/QStackedBarSeries>
|
||||||
|
#include <QtCore/QMap>
|
||||||
|
|
||||||
|
QT_CHARTS_USE_NAMESPACE
|
||||||
|
|
||||||
|
//! [1]
|
||||||
|
class DrilldownBarSeries : public QStackedBarSeries
|
||||||
|
{
|
||||||
|
Q_OBJECT
|
||||||
|
public:
|
||||||
|
DrilldownBarSeries(QStringList categories, int maxValue, QObject *parent = 0);
|
||||||
|
|
||||||
|
void mapDrilldownSeries(int index, DrilldownBarSeries *drilldownSeries);
|
||||||
|
|
||||||
|
DrilldownBarSeries *drilldownSeries(int index);
|
||||||
|
|
||||||
|
QStringList categories();
|
||||||
|
|
||||||
|
int maxValue();
|
||||||
|
|
||||||
|
private:
|
||||||
|
QMap<int, DrilldownBarSeries *> m_DrilldownSeries;
|
||||||
|
QStringList m_categories;
|
||||||
|
int m_maxValue;
|
||||||
|
};
|
||||||
|
//! [1]
|
||||||
|
|
||||||
|
#endif // DRILLDOWNSERIES_H
|
|
@ -0,0 +1,48 @@
|
||||||
|
#include "loading_widget.h"
|
||||||
|
#include <QDebug>
|
||||||
|
#include <QPainter>
|
||||||
|
|
||||||
|
|
||||||
|
LoadingAnimationWidget::LoadingAnimationWidget(QWidget *parent) :
|
||||||
|
QWidget(parent),
|
||||||
|
m_rotate(false),
|
||||||
|
m_timer(nullptr),
|
||||||
|
m_pixmap(nullptr)
|
||||||
|
{
|
||||||
|
m_timer = new QTimer(this);
|
||||||
|
qDebug()<<"LoadingAnimationWidget";
|
||||||
|
connect(m_timer,SIGNAL(timeout()),this,SLOT(timerout()));
|
||||||
|
}
|
||||||
|
|
||||||
|
void LoadingAnimationWidget::SetPixmap(QPixmap *p)
|
||||||
|
{
|
||||||
|
connect(m_timer,SIGNAL(timeout()),this,SLOT(timerout()));
|
||||||
|
|
||||||
|
m_timer->setInterval(100);
|
||||||
|
m_timer->start(40);
|
||||||
|
m_pixmap = p;
|
||||||
|
}
|
||||||
|
|
||||||
|
void LoadingAnimationWidget::timerout()
|
||||||
|
{
|
||||||
|
m_rotate =true;
|
||||||
|
update();
|
||||||
|
}
|
||||||
|
|
||||||
|
void LoadingAnimationWidget::paintEvent(QPaintEvent *)
|
||||||
|
{
|
||||||
|
static int rotate = 0;
|
||||||
|
QPainter painter(this);
|
||||||
|
painter.setRenderHint(QPainter::Antialiasing,true);
|
||||||
|
painter.translate(width()/2,height()/2);
|
||||||
|
|
||||||
|
if(m_rotate)
|
||||||
|
{
|
||||||
|
rotate = (rotate+5)%360;
|
||||||
|
m_rotate =false;
|
||||||
|
}
|
||||||
|
|
||||||
|
painter.rotate(rotate);
|
||||||
|
if(nullptr != m_pixmap)
|
||||||
|
painter.drawPixmap(-m_pixmap->width()/2,-m_pixmap->height()/2,*m_pixmap);
|
||||||
|
}
|
|
@ -0,0 +1,26 @@
|
||||||
|
#ifndef LOADING_WIDGET_H
|
||||||
|
#define LOADING_WIDGET_H
|
||||||
|
#include <QWidget>
|
||||||
|
#include <QTimer>
|
||||||
|
#include <QPixmap>
|
||||||
|
|
||||||
|
class LoadingAnimationWidget:public QWidget
|
||||||
|
{
|
||||||
|
Q_OBJECT
|
||||||
|
public:
|
||||||
|
LoadingAnimationWidget(QWidget *parent);
|
||||||
|
LoadingAnimationWidget(QWidget *parent,QPixmap*);
|
||||||
|
void SetPixmap(QPixmap*);
|
||||||
|
bool m_rotate;
|
||||||
|
QTimer *m_timer;
|
||||||
|
QPixmap *m_pixmap;
|
||||||
|
public slots:
|
||||||
|
void timerout();
|
||||||
|
|
||||||
|
protected:
|
||||||
|
void paintEvent(QPaintEvent *);
|
||||||
|
private:
|
||||||
|
LoadingAnimationWidget();
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif // LOADING_WIDGET_H
|
|
@ -0,0 +1,107 @@
|
||||||
|
/****************************************************************************
|
||||||
|
**
|
||||||
|
** Copyright (C) 2016 The Qt Company Ltd.
|
||||||
|
** Contact: https://www.qt.io/licensing/
|
||||||
|
**
|
||||||
|
** This file is part of the Qt Charts module of the Qt Toolkit.
|
||||||
|
**
|
||||||
|
** $QT_BEGIN_LICENSE:GPL$
|
||||||
|
** 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.
|
||||||
|
**
|
||||||
|
** GNU General Public License Usage
|
||||||
|
** Alternatively, this file may be used under the terms of the GNU
|
||||||
|
** General Public License version 3 or (at your option) any later version
|
||||||
|
** approved by the KDE Free Qt Foundation. The licenses are as published by
|
||||||
|
** the Free Software Foundation and appearing in the file LICENSE.GPL3
|
||||||
|
** included in the packaging of this file. Please review the following
|
||||||
|
** information to ensure the GNU General Public License requirements will
|
||||||
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
|
||||||
|
**
|
||||||
|
** $QT_END_LICENSE$
|
||||||
|
**
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#include "qchartwrap.h"
|
||||||
|
#include <QtGui/QResizeEvent>
|
||||||
|
#include <QtWidgets/QGraphicsScene>
|
||||||
|
#include <QtCharts/QChart>
|
||||||
|
#include <QtCharts/QLineSeries>
|
||||||
|
#include <QtCharts/QSplineSeries>
|
||||||
|
#include <QtWidgets/QGraphicsTextItem>
|
||||||
|
#include "chart_callout.h"
|
||||||
|
#include <QtGui/QMouseEvent>
|
||||||
|
|
||||||
|
QChartWrap::QChartWrap(QWidget *parent)
|
||||||
|
: QChartView(parent),
|
||||||
|
m_coordX(0),
|
||||||
|
m_coordY(0),
|
||||||
|
m_tooltip(0)
|
||||||
|
{
|
||||||
|
setDragMode(QGraphicsView::NoDrag);
|
||||||
|
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
||||||
|
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
||||||
|
|
||||||
|
// chart
|
||||||
|
this->chart()->setAcceptHoverEvents(true);
|
||||||
|
|
||||||
|
setRenderHint(QPainter::Antialiasing);
|
||||||
|
scene()->addItem(this->chart());
|
||||||
|
m_coordX = new QGraphicsSimpleTextItem(this->chart());
|
||||||
|
m_coordX->setPos(0, this->chart()->size().height());
|
||||||
|
m_coordX->setText("X: ");
|
||||||
|
m_coordY = new QGraphicsSimpleTextItem(this->chart());
|
||||||
|
m_coordY->setPos(100, this->chart()->size().height());
|
||||||
|
m_coordY->setText("Y: ");
|
||||||
|
|
||||||
|
this->setMouseTracking(true);
|
||||||
|
this->chart()->setMargins(QMargins(0,0,0,0));
|
||||||
|
}
|
||||||
|
|
||||||
|
void QChartWrap::resizeEvent(QResizeEvent *event)
|
||||||
|
{
|
||||||
|
if (scene()) {
|
||||||
|
scene()->setSceneRect(QRect(QPoint(0, 0), event->size()));
|
||||||
|
this->chart()->resize(event->size());
|
||||||
|
m_coordX->setPos(0, this->chart()->size().height() - 20);
|
||||||
|
m_coordY->setPos(100, this->chart()->size().height() - 20);
|
||||||
|
const auto callouts = m_callouts;
|
||||||
|
for (ChartCallout *callout : callouts)
|
||||||
|
callout->updateGeometry();
|
||||||
|
}
|
||||||
|
QChartView::resizeEvent(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
void QChartWrap::mouseMoveEvent(QMouseEvent *event)
|
||||||
|
{
|
||||||
|
m_coordX->setText(QString("X: %1").arg(this->chart()->mapToValue(event->pos()).x()));
|
||||||
|
m_coordY->setText(QString("Y: %1").arg(this->chart()->mapToValue(event->pos()).y()));
|
||||||
|
QChartView::mouseMoveEvent(event);
|
||||||
|
}
|
||||||
|
|
||||||
|
void QChartWrap::keepCallout()
|
||||||
|
{
|
||||||
|
m_callouts.append(m_tooltip);
|
||||||
|
m_tooltip = new ChartCallout(this->chart());
|
||||||
|
}
|
||||||
|
|
||||||
|
void QChartWrap::tooltip(QPointF point, bool state)
|
||||||
|
{
|
||||||
|
if (m_tooltip == 0)
|
||||||
|
m_tooltip = new ChartCallout(this->chart());
|
||||||
|
|
||||||
|
if (state) {
|
||||||
|
m_tooltip->setText(QString("X: %1 \nY: %2 ").arg(point.x()).arg(point.y()));
|
||||||
|
m_tooltip->setAnchor(point);
|
||||||
|
m_tooltip->setZValue(11);
|
||||||
|
m_tooltip->updateGeometry();
|
||||||
|
m_tooltip->show();
|
||||||
|
} else {
|
||||||
|
m_tooltip->hide();
|
||||||
|
}
|
||||||
|
}
|
|
@ -0,0 +1,81 @@
|
||||||
|
/****************************************************************************
|
||||||
|
**
|
||||||
|
** Copyright (C) 2016 The Qt Company Ltd.
|
||||||
|
** Contact: https://www.qt.io/licensing/
|
||||||
|
**
|
||||||
|
** This file is part of the Qt Charts module of the Qt Toolkit.
|
||||||
|
**
|
||||||
|
** $QT_BEGIN_LICENSE:GPL$
|
||||||
|
** 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.
|
||||||
|
**
|
||||||
|
** GNU General Public License Usage
|
||||||
|
** Alternatively, this file may be used under the terms of the GNU
|
||||||
|
** General Public License version 3 or (at your option) any later version
|
||||||
|
** approved by the KDE Free Qt Foundation. The licenses are as published by
|
||||||
|
** the Free Software Foundation and appearing in the file LICENSE.GPL3
|
||||||
|
** included in the packaging of this file. Please review the following
|
||||||
|
** information to ensure the GNU General Public License requirements will
|
||||||
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
|
||||||
|
**
|
||||||
|
** $QT_END_LICENSE$
|
||||||
|
**
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifndef VIEW_H
|
||||||
|
#define VIEW_H
|
||||||
|
#include <QtWidgets/QGraphicsView>
|
||||||
|
#include <QtCharts/QChartGlobal>
|
||||||
|
|
||||||
|
#include <QtGui/QResizeEvent>
|
||||||
|
#include <QtWidgets/QGraphicsScene>
|
||||||
|
#include <QtCharts/QChart>
|
||||||
|
#include <QtCharts/QLineSeries>
|
||||||
|
#include <QtCharts/QSplineSeries>
|
||||||
|
#include <QtCharts/QChartView>
|
||||||
|
|
||||||
|
#include <QtWidgets/QGraphicsTextItem>
|
||||||
|
|
||||||
|
QT_BEGIN_NAMESPACE
|
||||||
|
class QGraphicsScene;
|
||||||
|
class QMouseEvent;
|
||||||
|
class QResizeEvent;
|
||||||
|
QT_END_NAMESPACE
|
||||||
|
|
||||||
|
QT_CHARTS_BEGIN_NAMESPACE
|
||||||
|
class QChart;
|
||||||
|
QT_CHARTS_END_NAMESPACE
|
||||||
|
|
||||||
|
class ChartCallout;
|
||||||
|
|
||||||
|
QT_CHARTS_USE_NAMESPACE
|
||||||
|
|
||||||
|
|
||||||
|
class QChartWrap: public QChartView
|
||||||
|
{
|
||||||
|
Q_OBJECT
|
||||||
|
|
||||||
|
public:
|
||||||
|
QChartWrap(QWidget *parent = 0);
|
||||||
|
|
||||||
|
protected:
|
||||||
|
void resizeEvent(QResizeEvent *event);
|
||||||
|
void mouseMoveEvent(QMouseEvent *event);
|
||||||
|
|
||||||
|
public slots:
|
||||||
|
void keepCallout();
|
||||||
|
void tooltip(QPointF point, bool state);
|
||||||
|
|
||||||
|
private:
|
||||||
|
QGraphicsSimpleTextItem *m_coordX;
|
||||||
|
QGraphicsSimpleTextItem *m_coordY;
|
||||||
|
ChartCallout *m_tooltip;
|
||||||
|
QList<ChartCallout *> m_callouts;
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif
|
Loading…
Reference in New Issue