|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
** a written agreement between you and Digia.
|
|
|
**
|
|
|
** If you have questions regarding the use of this file, please use
|
|
|
** contact form at http://qt.digia.com
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include "mainwidget.h"
|
|
|
#include <QChart>
|
|
|
#include <QChartView>
|
|
|
#include <QPushButton>
|
|
|
#include <QLabel>
|
|
|
#include <QDebug>
|
|
|
#include <QBarSet>
|
|
|
#include <QBarSeries>
|
|
|
#include <QLegend>
|
|
|
#include <QFormLayout>
|
|
|
|
|
|
QTCOMMERCIALCHART_USE_NAMESPACE
|
|
|
|
|
|
MainWidget::MainWidget(QWidget *parent) :
|
|
|
QWidget(parent)
|
|
|
{
|
|
|
// Create buttons for ui
|
|
|
m_buttonLayout = new QGridLayout();
|
|
|
QPushButton *detachLegendButton = new QPushButton("detach legend");
|
|
|
connect(detachLegendButton, SIGNAL(clicked()), this, SLOT(detachLegend()));
|
|
|
m_buttonLayout->addWidget(detachLegendButton, 0, 0);
|
|
|
QPushButton *attachLegendButton = new QPushButton("attach legend");
|
|
|
connect(attachLegendButton, SIGNAL(clicked()), this, SLOT(attachLegend()));
|
|
|
m_buttonLayout->addWidget(attachLegendButton, 1, 0);
|
|
|
|
|
|
QPushButton *addSetButton = new QPushButton("add barset");
|
|
|
connect(addSetButton, SIGNAL(clicked()), this, SLOT(addBarset()));
|
|
|
m_buttonLayout->addWidget(addSetButton, 2, 0);
|
|
|
QPushButton *removeBarsetButton = new QPushButton("remove barset");
|
|
|
connect(removeBarsetButton, SIGNAL(clicked()), this, SLOT(removeBarset()));
|
|
|
m_buttonLayout->addWidget(removeBarsetButton, 3, 0);
|
|
|
|
|
|
QPushButton *leftButton = new QPushButton("Align legend left");
|
|
|
connect(leftButton, SIGNAL(clicked()), this, SLOT(setLegendLeft()));
|
|
|
m_buttonLayout->addWidget(leftButton, 4, 0);
|
|
|
|
|
|
QPushButton *rightButton = new QPushButton("Align legend right");
|
|
|
connect(rightButton, SIGNAL(clicked()), this, SLOT(setLegendRight()));
|
|
|
m_buttonLayout->addWidget(rightButton, 5, 0);
|
|
|
|
|
|
QPushButton *topButton = new QPushButton("Align legend top");
|
|
|
connect(topButton, SIGNAL(clicked()), this, SLOT(setLegendTop()));
|
|
|
m_buttonLayout->addWidget(topButton, 6, 0);
|
|
|
|
|
|
QPushButton *bottomButton = new QPushButton("Align legend bottom");
|
|
|
connect(bottomButton, SIGNAL(clicked()), this, SLOT(setLegendBottom()));
|
|
|
m_buttonLayout->addWidget(bottomButton, 7, 0);
|
|
|
|
|
|
m_legendPosX = new QDoubleSpinBox();
|
|
|
m_legendPosY = new QDoubleSpinBox();
|
|
|
m_legendWidth = new QDoubleSpinBox();
|
|
|
m_legendHeight = new QDoubleSpinBox();
|
|
|
|
|
|
connect(m_legendPosX, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout()));
|
|
|
connect(m_legendPosY, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout()));
|
|
|
connect(m_legendWidth, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout()));
|
|
|
connect(m_legendHeight, SIGNAL(valueChanged(double)), this, SLOT(updateLegendLayout()));
|
|
|
|
|
|
QFormLayout* legendLayout = new QFormLayout();
|
|
|
legendLayout->addRow("Horizontal position", m_legendPosX);
|
|
|
legendLayout->addRow("Vertical position", m_legendPosY);
|
|
|
legendLayout->addRow("Width", m_legendWidth);
|
|
|
legendLayout->addRow("Height", m_legendHeight);
|
|
|
m_legendSettings = new QGroupBox("Detached legend");
|
|
|
m_legendSettings->setLayout(legendLayout);
|
|
|
m_buttonLayout->addWidget(m_legendSettings);
|
|
|
m_legendSettings->setVisible(false);
|
|
|
|
|
|
// Create chart view with the chart
|
|
|
m_chart = new QChart();
|
|
|
m_chartView = new QChartView(m_chart, this);
|
|
|
|
|
|
// Create layout for grid and detached legend
|
|
|
m_mainLayout = new QGridLayout();
|
|
|
m_mainLayout->addLayout(m_buttonLayout, 0, 0);
|
|
|
m_mainLayout->addWidget(m_chartView, 0, 1, 3, 1);
|
|
|
setLayout(m_mainLayout);
|
|
|
|
|
|
createSeries();
|
|
|
}
|
|
|
|
|
|
void MainWidget::createSeries()
|
|
|
{
|
|
|
m_series = new QBarSeries();
|
|
|
addBarset();
|
|
|
addBarset();
|
|
|
addBarset();
|
|
|
addBarset();
|
|
|
|
|
|
m_chart->addSeries(m_series);
|
|
|
m_chart->setTitle("Legend detach example");
|
|
|
//![1]
|
|
|
m_chart->legend()->setVisible(true);
|
|
|
m_chart->legend()->setAlignment(Qt::AlignBottom);
|
|
|
//![1]
|
|
|
|
|
|
m_chart->axisY()->setNiceNumbersEnabled(true);
|
|
|
m_chartView->setRenderHint(QPainter::Antialiasing);
|
|
|
}
|
|
|
|
|
|
void MainWidget::showLegendSpinbox()
|
|
|
{
|
|
|
m_legendSettings->setVisible(true);
|
|
|
QRectF chartViewRect = m_chartView->rect();
|
|
|
QRectF legendRect = m_chart->legend()->boundingRect();
|
|
|
|
|
|
m_legendPosX->setMinimum(0);
|
|
|
m_legendPosX->setMaximum(chartViewRect.width());
|
|
|
m_legendPosX->setValue(150);
|
|
|
|
|
|
m_legendPosY->setMinimum(0);
|
|
|
m_legendPosY->setMaximum(chartViewRect.height());
|
|
|
m_legendPosY->setValue(150);
|
|
|
|
|
|
m_legendWidth->setMinimum(0);
|
|
|
m_legendWidth->setMaximum(chartViewRect.width());
|
|
|
m_legendWidth->setValue(150);
|
|
|
|
|
|
m_legendHeight->setMinimum(0);
|
|
|
m_legendHeight->setMaximum(chartViewRect.height());
|
|
|
m_legendHeight->setValue(75);
|
|
|
}
|
|
|
|
|
|
void MainWidget::hideLegendSpinbox()
|
|
|
{
|
|
|
m_legendSettings->setVisible(false);
|
|
|
}
|
|
|
|
|
|
|
|
|
void MainWidget::detachLegend()
|
|
|
{
|
|
|
//![2]
|
|
|
QLegend *legend = m_chart->legend();
|
|
|
legend->detachFromChart();
|
|
|
|
|
|
m_chart->legend()->setBackgroundVisible(true);
|
|
|
m_chart->legend()->setBrush(QBrush(QColor(128,128,128,128)));
|
|
|
m_chart->legend()->setPen(QPen(QColor(192,192,192,192)));
|
|
|
//![2]
|
|
|
|
|
|
showLegendSpinbox();
|
|
|
updateLegendLayout();
|
|
|
update();
|
|
|
}
|
|
|
|
|
|
|
|
|
void MainWidget::attachLegend()
|
|
|
{
|
|
|
//![3]
|
|
|
QLegend *legend = m_chart->legend();
|
|
|
legend->attachToChart();
|
|
|
m_chart->legend()->setBackgroundVisible(false);
|
|
|
//![3]
|
|
|
|
|
|
hideLegendSpinbox();
|
|
|
update();
|
|
|
}
|
|
|
|
|
|
void MainWidget::addBarset()
|
|
|
{
|
|
|
QBarSet *barSet = new QBarSet(QString("set ") + QString::number(m_series->barsetCount()));
|
|
|
qreal delta = m_series->barsetCount() * 0.1;
|
|
|
*barSet << QPointF(0.0 + delta, 1 + delta) << QPointF(1.0 + delta, 2 + delta) << QPointF(2.0 + delta, 3 + delta) << QPointF(3.0 + delta, 4 + delta);
|
|
|
m_series->append(barSet);
|
|
|
}
|
|
|
|
|
|
void MainWidget::removeBarset()
|
|
|
{
|
|
|
QList<QBarSet*> sets = m_series->barSets();
|
|
|
if (sets.count() > 0) {
|
|
|
m_series->remove(sets.at(sets.count()-1));
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void MainWidget::setLegendLeft()
|
|
|
{
|
|
|
m_chart->legend()->setAlignment(Qt::AlignLeft);
|
|
|
}
|
|
|
|
|
|
void MainWidget::setLegendRight()
|
|
|
{
|
|
|
m_chart->legend()->setAlignment(Qt::AlignRight);
|
|
|
}
|
|
|
|
|
|
void MainWidget::setLegendTop()
|
|
|
{
|
|
|
m_chart->legend()->setAlignment(Qt::AlignTop);
|
|
|
}
|
|
|
|
|
|
void MainWidget::setLegendBottom()
|
|
|
{
|
|
|
m_chart->legend()->setAlignment(Qt::AlignBottom);
|
|
|
}
|
|
|
|
|
|
void MainWidget::updateLegendLayout()
|
|
|
{
|
|
|
//![4]
|
|
|
m_chart->legend()->setGeometry(m_legendPosX->value()
|
|
|
,m_legendPosY->value()
|
|
|
,m_legendWidth->value()
|
|
|
,m_legendHeight->value());
|
|
|
m_chart->legend()->update();
|
|
|
//![4]
|
|
|
}
|
|
|
|
