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-rw-r--r--src/qt/monitoreddatamapper.cpp39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/qt/monitoreddatamapper.cpp b/src/qt/monitoreddatamapper.cpp
new file mode 100644
index 0000000000..e70aa7ebf6
--- /dev/null
+++ b/src/qt/monitoreddatamapper.cpp
@@ -0,0 +1,39 @@
+#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);
+ }
+}