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-rw-r--r--examples/legend/mainwidget.cpp247
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diff --git a/examples/legend/mainwidget.cpp b/examples/legend/mainwidget.cpp
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--- a/examples/legend/mainwidget.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2014 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 Enterprise Charts Add-on.
-**
-** $QT_BEGIN_LICENSE$
-** Licensees holding valid Qt Enterprise licenses may use this file in
-** accordance with the Qt Enterprise 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("Toggle attached");
- connect(detachLegendButton, SIGNAL(clicked()), this, SLOT(toggleAttached()));
- m_buttonLayout->addWidget(detachLegendButton, 0, 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 *alignButton = new QPushButton("Align (Bottom)");
- connect(alignButton, SIGNAL(clicked()), this, SLOT(setLegendAlignment()));
- m_buttonLayout->addWidget(alignButton, 4, 0);
-
- QPushButton *boldButton = new QPushButton("Toggle bold");
- connect(boldButton, SIGNAL(clicked()), this, SLOT(toggleBold()));
- m_buttonLayout->addWidget(boldButton, 8, 0);
-
- QPushButton *italicButton = new QPushButton("Toggle italic");
- connect(italicButton, SIGNAL(clicked()), this, SLOT(toggleItalic()));
- m_buttonLayout->addWidget(italicButton, 9, 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("HPos", m_legendPosX);
- legendLayout->addRow("VPos", 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 spinbox to modify font size
- m_fontSize = new QDoubleSpinBox();
- m_fontSize->setValue(m_chart->legend()->font().pointSizeF());
- connect(m_fontSize, SIGNAL(valueChanged(double)), this, SLOT(fontSizeChanged()));
-
- QFormLayout *fontLayout = new QFormLayout();
- fontLayout->addRow("Legend font size", m_fontSize);
-
- // Create layout for grid and detached legend
- m_mainLayout = new QGridLayout();
- m_mainLayout->addLayout(m_buttonLayout, 0, 0);
- m_mainLayout->addLayout(fontLayout, 1, 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");
- m_chart->createDefaultAxes();
-//![1]
- m_chart->legend()->setVisible(true);
- m_chart->legend()->setAlignment(Qt::AlignBottom);
-//![1]
-
- m_chartView->setRenderHint(QPainter::Antialiasing);
-}
-
-void MainWidget::showLegendSpinbox()
-{
- m_legendSettings->setVisible(true);
- QRectF chartViewRect = m_chartView->rect();
-
- 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::toggleAttached()
-{
- QLegend *legend = m_chart->legend();
- if (legend->isAttachedToChart()) {
- //![2]
- 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();
- } else {
- //![3]
- legend->attachToChart();
- legend->setBackgroundVisible(false);
- //![3]
- hideLegendSpinbox();
- }
- update();
-}
-
-void MainWidget::addBarset()
-{
- QBarSet *barSet = new QBarSet(QString("set ") + QString::number(m_series->count()));
- qreal delta = m_series->count() * 0.1;
- *barSet << 1 + delta << 2 + delta << 3 + 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::setLegendAlignment()
-{
- QPushButton *button = qobject_cast<QPushButton *>(sender());
-
- switch (m_chart->legend()->alignment()) {
- case Qt::AlignTop:
- m_chart->legend()->setAlignment(Qt::AlignLeft);
- if (button)
- button->setText("Align (Left)");
- break;
- case Qt::AlignLeft:
- m_chart->legend()->setAlignment(Qt::AlignBottom);
- if (button)
- button->setText("Align (Bottom)");
- break;
- case Qt::AlignBottom:
- m_chart->legend()->setAlignment(Qt::AlignRight);
- if (button)
- button->setText("Align (Right)");
- break;
- default:
- if (button)
- button->setText("Align (Top)");
- m_chart->legend()->setAlignment(Qt::AlignTop);
- break;
- }
-}
-
-void MainWidget::toggleBold()
-{
- QFont font = m_chart->legend()->font();
- font.setBold(!font.bold());
- m_chart->legend()->setFont(font);
-}
-
-void MainWidget::toggleItalic()
-{
- QFont font = m_chart->legend()->font();
- font.setItalic(!font.italic());
- m_chart->legend()->setFont(font);
-}
-
-void MainWidget::fontSizeChanged()
-{
- QFont font = m_chart->legend()->font();
- font.setPointSizeF(m_fontSize->value());
- m_chart->legend()->setFont(font);
-}
-
-void MainWidget::updateLegendLayout()
-{
-//![4]
- m_chart->legend()->setGeometry(QRectF(m_legendPosX->value(),
- m_legendPosY->value(),
- m_legendWidth->value(),
- m_legendHeight->value()));
- m_chart->legend()->update();
-//![4]
-}
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