neobytes/src/qt/monitoreddatamapper.cpp

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#include "monitoreddatamapper.h"
#include <QWidget>
#include <QMetaObject>
#include <QMetaProperty>
#include <QDebug>
MonitoredDataMapper::MonitoredDataMapper(QObject *parent) :
QDataWidgetMapper(parent)
{
}
void MonitoredDataMapper::addMapping(QWidget *widget, int section)
{
QDataWidgetMapper::addMapping(widget, section);
addChangeMonitor(widget);
}
void MonitoredDataMapper::addMapping(QWidget *widget, int section, const QByteArray &propertyName)
{
QDataWidgetMapper::addMapping(widget, section, propertyName);
addChangeMonitor(widget);
}
void MonitoredDataMapper::addChangeMonitor(QWidget *widget)
{
/* Watch user property of widget for changes, and connect
the signal to our viewModified signal.
*/
QMetaProperty prop = widget->metaObject()->userProperty();
int signal = prop.notifySignalIndex();
int method = this->metaObject()->indexOfMethod("viewModified()");
if(signal != -1 && method != -1)
{
QMetaObject::connect(widget, signal, this, method);
}
}