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qt6
zcy 2021-08-04 17:15:42 +08:00
parent 72c132a185
commit 632a74f2bb
10 changed files with 722 additions and 0 deletions
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137
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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "chart_callout.h"
#include <QtGui/QPainter>
#include <QtGui/QFontMetrics>
#include <QtWidgets/QGraphicsSceneMouseEvent>
#include <QtGui/QMouseEvent>
#include <QtCharts/QChart>
ChartCallout::ChartCallout(QChart *chart):
QGraphicsItem(chart),
m_chart(chart)
{
}
QRectF ChartCallout::boundingRect() const
{
QPointF anchor = mapFromParent(m_chart->mapToPosition(m_anchor));
QRectF rect;
rect.setLeft(qMin(m_rect.left(), anchor.x()));
rect.setRight(qMax(m_rect.right(), anchor.x()));
rect.setTop(qMin(m_rect.top(), anchor.y()));
rect.setBottom(qMax(m_rect.bottom(), anchor.y()));
return rect;
}
void ChartCallout::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option)
Q_UNUSED(widget)
QPainterPath path;
path.addRoundedRect(m_rect, 5, 5);
QPointF anchor = mapFromParent(m_chart->mapToPosition(m_anchor));
if (!m_rect.contains(anchor)) {
QPointF point1, point2;
// establish the position of the anchor point in relation to m_rect
bool above = anchor.y() <= m_rect.top();
bool aboveCenter = anchor.y() > m_rect.top() && anchor.y() <= m_rect.center().y();
bool belowCenter = anchor.y() > m_rect.center().y() && anchor.y() <= m_rect.bottom();
bool below = anchor.y() > m_rect.bottom();
bool onLeft = anchor.x() <= m_rect.left();
bool leftOfCenter = anchor.x() > m_rect.left() && anchor.x() <= m_rect.center().x();
bool rightOfCenter = anchor.x() > m_rect.center().x() && anchor.x() <= m_rect.right();
bool onRight = anchor.x() > m_rect.right();
// get the nearest m_rect corner.
qreal x = (onRight + rightOfCenter) * m_rect.width();
qreal y = (below + belowCenter) * m_rect.height();
bool cornerCase = (above && onLeft) || (above && onRight) || (below && onLeft) || (below && onRight);
bool vertical = qAbs(anchor.x() - x) > qAbs(anchor.y() - y);
qreal x1 = x + leftOfCenter * 10 - rightOfCenter * 20 + cornerCase * !vertical * (onLeft * 10 - onRight * 20);
qreal y1 = y + aboveCenter * 10 - belowCenter * 20 + cornerCase * vertical * (above * 10 - below * 20);;
point1.setX(x1);
point1.setY(y1);
qreal x2 = x + leftOfCenter * 20 - rightOfCenter * 10 + cornerCase * !vertical * (onLeft * 20 - onRight * 10);;
qreal y2 = y + aboveCenter * 20 - belowCenter * 10 + cornerCase * vertical * (above * 20 - below * 10);;
point2.setX(x2);
point2.setY(y2);
path.moveTo(point1);
path.lineTo(anchor);
path.lineTo(point2);
path = path.simplified();
}
painter->setBrush(QColor(255, 255, 255));
painter->drawPath(path);
painter->drawText(m_textRect, m_text);
}
void ChartCallout::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
event->setAccepted(true);
}
void ChartCallout::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (event->buttons() & Qt::LeftButton){
setPos(mapToParent(event->pos() - event->buttonDownPos(Qt::LeftButton)));
event->setAccepted(true);
} else {
event->setAccepted(false);
}
}
void ChartCallout::setText(const QString &text)
{
m_text = text;
QFontMetrics metrics(m_font);
m_textRect = metrics.boundingRect(QRect(0, 0, 150, 150), Qt::AlignLeft, m_text);
m_textRect.translate(5, 5);
prepareGeometryChange();
m_rect = m_textRect.adjusted(-5, -5, 5, 5);
}
void ChartCallout::setAnchor(QPointF point)
{
m_anchor = point;
}
void ChartCallout::updateGeometry()
{
prepareGeometryChange();
setPos(m_chart->mapToPosition(m_anchor) + QPoint(10, -50));
}

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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 CALLOUT_H
#define CALLOUT_H
#include <QtCharts/QChartGlobal>
#include <QtWidgets/QGraphicsItem>
#include <QtGui/QFont>
QT_BEGIN_NAMESPACE
class QGraphicsSceneMouseEvent;
QT_END_NAMESPACE
QT_CHARTS_BEGIN_NAMESPACE
class QChart;
QT_CHARTS_END_NAMESPACE
QT_CHARTS_USE_NAMESPACE
class ChartCallout : public QGraphicsItem
{
public:
ChartCallout(QChart *parent);
void setText(const QString &text);
void setAnchor(QPointF point);
void updateGeometry();
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget);
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
private:
QString m_text;
QRectF m_textRect;
QRectF m_rect;
QPointF m_anchor;
QFont m_font;
QChart *m_chart;
};
#endif // CALLOUT_H

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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "drilldownchart.h"
#include <QtCharts/QBarCategoryAxis>
#include <QtCharts/QValueAxis>
QT_CHARTS_USE_NAMESPACE
DrilldownChart::DrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
: QChart(QChart::ChartTypeCartesian, parent, wFlags),
m_currentSeries(0),
m_axisX(new QBarCategoryAxis()),
m_axisY(new QValueAxis())
{
addAxis(m_axisY, Qt::AlignLeft);
addAxis(m_axisX, Qt::AlignBottom);
}
void DrilldownChart::changeSeries(DrilldownBarSeries *series)
{
if (m_currentSeries)
removeSeries(m_currentSeries);
m_currentSeries = series;
// Reset axis
m_axisX->setCategories(m_currentSeries->categories());
addSeries(series);
series->attachAxis(m_axisX);
series->attachAxis(m_axisY);
m_axisY->setRange(0,m_currentSeries->maxValue());
setTitle(series->name());
}
void DrilldownChart::handleClicked(int index, QBarSet *barset)
{
Q_UNUSED(barset)
DrilldownBarSeries *series = static_cast<DrilldownBarSeries *>(sender());
changeSeries(series->drilldownSeries(index));
}
#include "moc_drilldownchart.cpp"

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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
#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

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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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;
}

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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 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

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#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);
}

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#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

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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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();
}
}

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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 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