nextpnr/3rdparty/QtPropertyBrowser/examples/decoration/main.cpp
2018-06-11 21:30:22 +02:00

313 lines
11 KiB
C++

/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of a Qt Solutions component.
**
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**
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** modification, are permitted provided that the following conditions are
** met:
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** notice, this list of conditions and the following disclaimer.
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** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
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** the names of its contributors may be used to endorse or promote
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#include <QApplication>
#include <QMap>
#include <QDoubleSpinBox>
#include "qtpropertybrowser.h"
#include "qteditorfactory.h"
#include "qttreepropertybrowser.h"
class DecoratedDoublePropertyManager : public QtDoublePropertyManager
{
Q_OBJECT
public:
DecoratedDoublePropertyManager(QObject *parent = 0);
~DecoratedDoublePropertyManager();
QString prefix(const QtProperty *property) const;
QString suffix(const QtProperty *property) const;
public Q_SLOTS:
void setPrefix(QtProperty *property, const QString &prefix);
void setSuffix(QtProperty *property, const QString &suffix);
Q_SIGNALS:
void prefixChanged(QtProperty *property, const QString &prefix);
void suffixChanged(QtProperty *property, const QString &suffix);
protected:
QString valueText(const QtProperty *property) const;
virtual void initializeProperty(QtProperty *property);
virtual void uninitializeProperty(QtProperty *property);
private:
struct Data {
QString prefix;
QString suffix;
};
QMap<const QtProperty *, Data> propertyToData;
};
DecoratedDoublePropertyManager::DecoratedDoublePropertyManager(QObject *parent)
: QtDoublePropertyManager(parent)
{
}
DecoratedDoublePropertyManager::~DecoratedDoublePropertyManager()
{
}
QString DecoratedDoublePropertyManager::prefix(const QtProperty *property) const
{
if (!propertyToData.contains(property))
return QString();
return propertyToData[property].prefix;
}
QString DecoratedDoublePropertyManager::suffix(const QtProperty *property) const
{
if (!propertyToData.contains(property))
return QString();
return propertyToData[property].suffix;
}
void DecoratedDoublePropertyManager::setPrefix(QtProperty *property, const QString &prefix)
{
if (!propertyToData.contains(property))
return;
DecoratedDoublePropertyManager::Data data = propertyToData[property];
if (data.prefix == prefix)
return;
data.prefix = prefix;
propertyToData[property] = data;
emit propertyChanged(property);
emit prefixChanged(property, prefix);
}
void DecoratedDoublePropertyManager::setSuffix(QtProperty *property, const QString &suffix)
{
if (!propertyToData.contains(property))
return;
DecoratedDoublePropertyManager::Data data = propertyToData[property];
if (data.suffix == suffix)
return;
data.suffix = suffix;
propertyToData[property] = data;
emit propertyChanged(property);
emit suffixChanged(property, suffix);
}
QString DecoratedDoublePropertyManager::valueText(const QtProperty *property) const
{
QString text = QtDoublePropertyManager::valueText(property);
if (!propertyToData.contains(property))
return text;
DecoratedDoublePropertyManager::Data data = propertyToData[property];
text = data.prefix + text + data.suffix;
return text;
}
void DecoratedDoublePropertyManager::initializeProperty(QtProperty *property)
{
propertyToData[property] = DecoratedDoublePropertyManager::Data();
QtDoublePropertyManager::initializeProperty(property);
}
void DecoratedDoublePropertyManager::uninitializeProperty(QtProperty *property)
{
propertyToData.remove(property);
QtDoublePropertyManager::uninitializeProperty(property);
}
class DecoratedDoubleSpinBoxFactory : public QtAbstractEditorFactory<DecoratedDoublePropertyManager>
{
Q_OBJECT
public:
DecoratedDoubleSpinBoxFactory(QObject *parent = 0);
~DecoratedDoubleSpinBoxFactory();
protected:
void connectPropertyManager(DecoratedDoublePropertyManager *manager);
QWidget *createEditor(DecoratedDoublePropertyManager *manager, QtProperty *property,
QWidget *parent);
void disconnectPropertyManager(DecoratedDoublePropertyManager *manager);
private slots:
void slotPrefixChanged(QtProperty *property, const QString &prefix);
void slotSuffixChanged(QtProperty *property, const QString &prefix);
void slotEditorDestroyed(QObject *object);
private:
/* We delegate responsibilities for QtDoublePropertyManager, which is a base class
of DecoratedDoublePropertyManager to appropriate QtDoubleSpinBoxFactory */
QtDoubleSpinBoxFactory *originalFactory;
QMap<QtProperty *, QList<QDoubleSpinBox *> > createdEditors;
QMap<QDoubleSpinBox *, QtProperty *> editorToProperty;
};
DecoratedDoubleSpinBoxFactory::DecoratedDoubleSpinBoxFactory(QObject *parent)
: QtAbstractEditorFactory<DecoratedDoublePropertyManager>(parent)
{
originalFactory = new QtDoubleSpinBoxFactory(this);
}
DecoratedDoubleSpinBoxFactory::~DecoratedDoubleSpinBoxFactory()
{
// not need to delete editors because they will be deleted by originalFactory in its destructor
}
void DecoratedDoubleSpinBoxFactory::connectPropertyManager(DecoratedDoublePropertyManager *manager)
{
originalFactory->addPropertyManager(manager);
connect(manager, SIGNAL(prefixChanged(QtProperty *, const QString &)), this, SLOT(slotPrefixChanged(QtProperty *, const QString &)));
connect(manager, SIGNAL(suffixChanged(QtProperty *, const QString &)), this, SLOT(slotSuffixChanged(QtProperty *, const QString &)));
}
QWidget *DecoratedDoubleSpinBoxFactory::createEditor(DecoratedDoublePropertyManager *manager, QtProperty *property,
QWidget *parent)
{
QtAbstractEditorFactoryBase *base = originalFactory;
QWidget *w = base->createEditor(property, parent);
if (!w)
return 0;
QDoubleSpinBox *spinBox = qobject_cast<QDoubleSpinBox *>(w);
if (!spinBox)
return 0;
spinBox->setPrefix(manager->prefix(property));
spinBox->setSuffix(manager->suffix(property));
createdEditors[property].append(spinBox);
editorToProperty[spinBox] = property;
return spinBox;
}
void DecoratedDoubleSpinBoxFactory::disconnectPropertyManager(DecoratedDoublePropertyManager *manager)
{
originalFactory->removePropertyManager(manager);
disconnect(manager, SIGNAL(prefixChanged(QtProperty *, const QString &)), this, SLOT(slotPrefixChanged(QtProperty *, const QString &)));
disconnect(manager, SIGNAL(suffixChanged(QtProperty *, const QString &)), this, SLOT(slotSuffixChanged(QtProperty *, const QString &)));
}
void DecoratedDoubleSpinBoxFactory::slotPrefixChanged(QtProperty *property, const QString &prefix)
{
if (!createdEditors.contains(property))
return;
DecoratedDoublePropertyManager *manager = propertyManager(property);
if (!manager)
return;
QList<QDoubleSpinBox *> editors = createdEditors[property];
QListIterator<QDoubleSpinBox *> itEditor(editors);
while (itEditor.hasNext()) {
QDoubleSpinBox *editor = itEditor.next();
editor->setPrefix(prefix);
}
}
void DecoratedDoubleSpinBoxFactory::slotSuffixChanged(QtProperty *property, const QString &prefix)
{
if (!createdEditors.contains(property))
return;
DecoratedDoublePropertyManager *manager = propertyManager(property);
if (!manager)
return;
QList<QDoubleSpinBox *> editors = createdEditors[property];
QListIterator<QDoubleSpinBox *> itEditor(editors);
while (itEditor.hasNext()) {
QDoubleSpinBox *editor = itEditor.next();
editor->setSuffix(prefix);
}
}
void DecoratedDoubleSpinBoxFactory::slotEditorDestroyed(QObject *object)
{
QMap<QDoubleSpinBox *, QtProperty *>::ConstIterator itEditor =
editorToProperty.constBegin();
while (itEditor != editorToProperty.constEnd()) {
if (itEditor.key() == object) {
QDoubleSpinBox *editor = itEditor.key();
QtProperty *property = itEditor.value();
editorToProperty.remove(editor);
createdEditors[property].removeAll(editor);
if (createdEditors[property].isEmpty())
createdEditors.remove(property);
return;
}
itEditor++;
}
}
int main(int argc, char **argv)
{
QApplication app(argc, argv);
QtDoublePropertyManager *undecoratedManager = new QtDoublePropertyManager();
QtProperty *undecoratedProperty = undecoratedManager->addProperty("Undecorated");
undecoratedManager->setValue(undecoratedProperty, 123.45);
DecoratedDoublePropertyManager *decoratedManager = new DecoratedDoublePropertyManager();
QtProperty *decoratedProperty = decoratedManager->addProperty("Decorated");
decoratedManager->setPrefix(decoratedProperty, "speed: ");
decoratedManager->setSuffix(decoratedProperty, " km/h");
decoratedManager->setValue(decoratedProperty, 123.45);
QtDoubleSpinBoxFactory *undecoratedFactory = new QtDoubleSpinBoxFactory();
DecoratedDoubleSpinBoxFactory *decoratedFactory = new DecoratedDoubleSpinBoxFactory();
QtTreePropertyBrowser *editor = new QtTreePropertyBrowser();
editor->setFactoryForManager(undecoratedManager, undecoratedFactory);
editor->setFactoryForManager(decoratedManager, decoratedFactory);
editor->addProperty(undecoratedProperty);
editor->addProperty(decoratedProperty);
editor->show();
int ret = app.exec();
delete decoratedFactory;
delete decoratedManager;
delete undecoratedFactory;
delete undecoratedManager;
delete editor;
return ret;
}
#include "main.moc"