##// END OF EJS Templates
Completes the method of creating a zone from a variable
Completes the method of creating a zone from a variable

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VisualizationGraphWidget.cpp
95 lines | 3.0 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationGraphWidget.cpp
#include "Visualization/VisualizationGraphWidget.h"
#include "Visualization/GraphPlottablesFactory.h"
#include "ui_VisualizationGraphWidget.h"
#include <Variable/Variable.h>
#include <unordered_map>
namespace {
/// Key pressed to enable zoom on horizontal axis
const auto HORIZONTAL_ZOOM_MODIFIER = Qt::NoModifier;
/// Key pressed to enable zoom on vertical axis
const auto VERTICAL_ZOOM_MODIFIER = Qt::ControlModifier;
} // namespace
struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate {
// 1 variable -> n qcpplot
std::unordered_map<std::shared_ptr<Variable>, QCPAbstractPlottable *> m_VariableToPlotMap;
};
VisualizationGraphWidget::VisualizationGraphWidget(const QString name, QWidget *parent)
: QWidget{parent},
ui{new Ui::VisualizationGraphWidget},
impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>()}
{
ui->setupUi(this);
// qcpplot title
ui->widget->plotLayout()->insertRow(0);
ui->widget->plotLayout()->addElement(0, 0, new QCPTextElement{ui->widget, name});
// Set qcpplot properties :
// - Drag (on x-axis) and zoom are enabled
// - Mouse wheel on qcpplot is intercepted to determine the zoom orientation
ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
ui->widget->axisRect()->setRangeDrag(Qt::Horizontal);
connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel);
}
VisualizationGraphWidget::~VisualizationGraphWidget()
{
delete ui;
}
void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable)
{
// Uses delegate to create the qcpplot components according to the variable
auto createdPlottables = GraphPlottablesFactory::create(variable, *ui->widget);
for (auto createdPlottable : qAsConst(createdPlottables)) {
impl->m_VariableToPlotMap.insert({variable, createdPlottable});
}
}
void VisualizationGraphWidget::accept(IVisualizationWidget *visitor)
{
// TODO: manage the visitor
}
void VisualizationGraphWidget::close()
{
// The main view cannot be directly closed.
return;
}
QString VisualizationGraphWidget::name() const
{
if (auto title = dynamic_cast<QCPTextElement *>(ui->widget->plotLayout()->elementAt(0))) {
return title->text();
}
else {
return QString{};
}
}
void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept
{
auto zoomOrientations = QFlags<Qt::Orientation>{};
// Lambda that enables a zoom orientation if the key modifier related to this orientation has
// been pressed
auto enableOrientation
= [&zoomOrientations, event](const auto &orientation, const auto &modifier) {
auto orientationEnabled = event->modifiers().testFlag(modifier);
zoomOrientations.setFlag(orientation, orientationEnabled);
};
enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER);
enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER);
ui->widget->axisRect()->setRangeZoom(zoomOrientations);
}