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This commit is contained in:
Abhijit Kundu
2014-12-01 13:41:34 -05:00
commit 2b9f84b72b
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15
examples/extension/CMakeLists.txt Normal file
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# Tell CMake to run moc when necessary:
set(CMAKE_AUTOMOC ON)
# As moc files are generated in the binary dir, tell CMake
# to always look for includes there:
set(CMAKE_INCLUDE_CURRENT_DIR ON)
SET(example_name extension)
SET(KIT_SRCS
main.cpp
)
ADD_EXECUTABLE(${example_name} ${KIT_SRCS})
TARGET_LINK_LIBRARIES(${example_name} ${PROJECT_NAME} ${QT_TARGETS})

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examples/extension/extension.pro Normal file
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TEMPLATE = app
DEPENDPATH += .
INCLUDEPATH += .
include(../../src/qtpropertybrowser.pri)
# Input
SOURCES += main.cpp

53
examples/extension/extension.qdoc Normal file
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/****************************************************************************
**
** 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.
**
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
****************************************************************************/
/*!
\page qtpropertybrowser-example-extension.html
\title Extension Example
This example demonstrates how to extend the
QtVariantPropertyManager class to handle additional property
types.
\image extension.png
The variant manager is extended to handle the QPointF type.
The source files can be found in examples/extension directory of the package.
*/

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examples/extension/main.cpp Normal file
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/****************************************************************************
**
** 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.
**
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
****************************************************************************/
#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"