iio-widgets: Add optional custom conversion functions

Signed-off-by: Andrei-Fabian-Pop <[email protected]>

iio-widgets/include/iio-widgets/iiowidget.h

@@ -31,6 +31,7 @@
 #include "datastrategy/datastrategyinterface.h"
 #include "scopy-iio-widgets_export.h"
 #include <pluginbase/lazyloadwidget.h>
+#include <functional>
 
 namespace scopy {
 class GuiStrategyInterface;
@@ -125,6 +126,9 @@ class SCOPY_IIO_WIDGETS_EXPORT IIOWidget : public QWidget
 	 */
 	int lastReturnCode();
 
+	void setUItoDataConversion(std::function<QString(QString)> func);
+	void setDataToUIConversion(std::function<QString(QString)> func);
+
 Q_SIGNALS:
 	/**
 	 * @brief Emits the current state of the IIOWidget system and a string containing a more
@@ -139,6 +143,9 @@ protected Q_SLOTS:
 	void startTimer(QString data);
 	void storeReadInfo(QString data, QString optionalData);
 
+	void convertUItoDS(QString data);
+	void convertDStoUI(QString data, QString optionalData);
+
 protected:
 	void initialize();
 
@@ -154,6 +161,10 @@ protected Q_SLOTS:
 	QDateTime *m_lastOpTimestamp;
 	int m_lastReturnCode;
 	IIOWidget::State *m_lastOpState;
+
+	/* Conversion functions */
+	std::function<QString(QString)> m_UItoDS;
+	std::function<QString(QString)> m_DStoUI;
 };
 } // namespace scopy
 

iio-widgets/src/iiowidget.cpp

@@ -34,6 +34,8 @@ IIOWidget::IIOWidget(GuiStrategyInterface *uiStrategy, DataStrategyInterface *da
 	, m_lastOpTimestamp(nullptr)
 	, m_lastOpState(nullptr)
 	, m_lastReturnCode(0)
+	, m_UItoDS(nullptr)
+	, m_DStoUI(nullptr)
 {
 	setLayout(new QVBoxLayout(this));
 	layout()->setContentsMargins(0, 0, 0, 0);
@@ -145,6 +147,10 @@ IIOWidget::State *IIOWidget::lastOperationState() { return m_lastOpState; }
 
 int IIOWidget::lastReturnCode() { return m_lastReturnCode; }
 
+void IIOWidget::setUItoDataConversion(std::function<QString(QString)> func) { m_UItoDS = func; }
+
+void IIOWidget::setDataToUIConversion(std::function<QString(QString)> func) { m_DStoUI = func; }
+
 void IIOWidget::startTimer(QString data)
 {
 	m_lastData = data;
@@ -160,6 +166,22 @@ void IIOWidget::storeReadInfo(QString data, QString optionalData)
 	setLastOperationTimestamp(QDateTime::currentDateTime());
 }
 
+void IIOWidget::convertUItoDS(QString data)
+{
+	if(m_UItoDS) {
+		data = m_UItoDS(data);
+	}
+	this->saveData(data);
+}
+
+void IIOWidget::convertDStoUI(QString data, QString optionalData)
+{
+	if(m_DStoUI) { // only the data should be converted
+		data = m_DStoUI(data);
+	}
+	m_uiStrategy->receiveData(data, optionalData);
+}
+
 void IIOWidget::initialize() { m_dataStrategy->readAsync(); }
 
 void IIOWidget::setLastOperationTimestamp(QDateTime timestamp)