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// Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
// SPDX-License-Identifier: BSD-3-Clause
#include <QApplication>
#include "qtvariantproperty.h"
#include "qteditorfactory.h"
#include "qttreepropertybrowser.h"
class VariantManager : public QtVariantPropertyManager
{
Q_OBJECT
public:
VariantManager(QObject *parent = 0);
~VariantManager();
virtual QVariant value(const QtProperty *property) const;
virtual int valueType(int propertyType) const;
virtual bool isPropertyTypeSupported(int propertyType) const;
QString valueText(const QtProperty *property) const;
public slots:
virtual void setValue(QtProperty *property, const QVariant &val);
protected:
virtual void initializeProperty(QtProperty *property);
virtual void uninitializeProperty(QtProperty *property);
private slots:
void slotValueChanged(QtProperty *property, const QVariant &value);
void slotPropertyDestroyed(QtProperty *property);
private:
struct Data {
QVariant value;
QtVariantProperty *x;
QtVariantProperty *y;
};
QMap<const QtProperty *, Data> propertyToData;
QMap<const QtProperty *, QtProperty *> xToProperty;
QMap<const QtProperty *, QtProperty *> yToProperty;
};
VariantManager::VariantManager(QObject *parent)
: QtVariantPropertyManager(parent)
{
connect(this, SIGNAL(valueChanged(QtProperty *, const QVariant &)),
this, SLOT(slotValueChanged(QtProperty *, const QVariant &)));
connect(this, SIGNAL(propertyDestroyed(QtProperty *)),
this, SLOT(slotPropertyDestroyed(QtProperty *)));
}
VariantManager::~VariantManager()
{
}
void VariantManager::slotValueChanged(QtProperty *property, const QVariant &value)
{
if (xToProperty.contains(property)) {
QtProperty *pointProperty = xToProperty[property];
QVariant v = this->value(pointProperty);
QPointF p = v.value<QPointF>();
p.setX(value.value<double>());
setValue(pointProperty, p);
} else if (yToProperty.contains(property)) {
QtProperty *pointProperty = yToProperty[property];
QVariant v = this->value(pointProperty);
QPointF p = v.value<QPointF>();
p.setY(value.value<double>());
setValue(pointProperty, p);
}
}
void VariantManager::slotPropertyDestroyed(QtProperty *property)
{
if (xToProperty.contains(property)) {
QtProperty *pointProperty = xToProperty[property];
propertyToData[pointProperty].x = 0;
xToProperty.remove(property);
} else if (yToProperty.contains(property)) {
QtProperty *pointProperty = yToProperty[property];
propertyToData[pointProperty].y = 0;
yToProperty.remove(property);
}
}
bool VariantManager::isPropertyTypeSupported(int propertyType) const
{
if (propertyType == QVariant::PointF)
return true;
return QtVariantPropertyManager::isPropertyTypeSupported(propertyType);
}
int VariantManager::valueType(int propertyType) const
{
if (propertyType == QVariant::PointF)
return QVariant::PointF;
return QtVariantPropertyManager::valueType(propertyType);
}
QVariant VariantManager::value(const QtProperty *property) const
{
if (propertyToData.contains(property))
return propertyToData[property].value;
return QtVariantPropertyManager::value(property);
}
QString VariantManager::valueText(const QtProperty *property) const
{
if (propertyToData.contains(property)) {
QVariant v = propertyToData[property].value;
QPointF p = v.value<QPointF>();
return QString(tr("(%1, %2)").arg(QString::number(p.x()))
.arg(QString::number(p.y())));
}
return QtVariantPropertyManager::valueText(property);
}
void VariantManager::setValue(QtProperty *property, const QVariant &val)
{
if (propertyToData.contains(property)) {
if (val.type() != QVariant::PointF && !val.canConvert(QVariant::PointF))
return;
QPointF p = val.value<QPointF>();
Data d = propertyToData[property];
d.value = p;
if (d.x)
d.x->setValue(p.x());
if (d.y)
d.y->setValue(p.y());
propertyToData[property] = d;
emit propertyChanged(property);
emit valueChanged(property, p);
return;
}
QtVariantPropertyManager::setValue(property, val);
}
void VariantManager::initializeProperty(QtProperty *property)
{
if (propertyType(property) == QVariant::PointF) {
Data d;
d.value = QPointF(0, 0);
VariantManager *that = (VariantManager *)this;
d.x = that->addProperty(QVariant::Double);
d.x->setPropertyName(tr("Position X"));
property->addSubProperty(d.x);
xToProperty[d.x] = property;
d.y = that->addProperty(QVariant::Double);
d.y->setPropertyName(tr("Position Y"));
property->addSubProperty(d.y);
yToProperty[d.y] = property;
propertyToData[property] = d;
}
QtVariantPropertyManager::initializeProperty(property);
}
void VariantManager::uninitializeProperty(QtProperty *property)
{
if (propertyToData.contains(property)) {
Data d = propertyToData[property];
if (d.x)
xToProperty.remove(d.x);
if (d.y)
yToProperty.remove(d.y);
propertyToData.remove(property);
}
QtVariantPropertyManager::uninitializeProperty(property);
}
int main(int argc, char **argv)
{
QApplication app(argc, argv);
VariantManager *variantManager = new VariantManager();
QtVariantProperty *item = variantManager->addProperty(QVariant::PointF,
"PointF Property");
item->setValue(QPointF(2.5, 13.13));
QtVariantEditorFactory *variantFactory = new QtVariantEditorFactory();
QtTreePropertyBrowser ed1;
QtVariantPropertyManager *varMan = variantManager;
ed1.setFactoryForManager(varMan, variantFactory);
ed1.addProperty(item);
ed1.show();
int ret = app.exec();
delete variantFactory;
delete variantManager;
return ret;
}
#include "main.moc"
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