Add option to revert I/Q correction values to the previously stored values.

Author: csete

iqbalance.cc

@@ -126,6 +126,20 @@ void CIqBalance::on_doubleSpinBoxGain_valueChanged(double value)
 }
 
 
+/*! \brief Revert button has been clicked.
+ *
+ * Revert I/Q correction values to the previously stored values.
+ */
+void CIqBalance::on_revertButton_clicked()
+{
+    QSettings settings;
+    ui->doubleSpinBoxDCI->setValue(settings.value("DCICorr","0.0").toDouble());
+    ui->doubleSpinBoxDCQ->setValue(settings.value("DCQCorr","0.0").toDouble());
+    ui->doubleSpinBoxPhase->setValue(settings.value("PhaseCorr","0.0").toDouble());
+    ui->doubleSpinBoxGain->setValue(settings.value("GainCorr","1.0").toDouble());
+}
+
+
 /*! \brief Reset button has been clicked. */
 void CIqBalance::on_resetButton_clicked()
 {

iqbalance.h

@@ -46,6 +46,7 @@ private slots:
     void on_doubleSpinBoxDCQ_valueChanged(double value);
     void on_doubleSpinBoxPhase_valueChanged(double value);
     void on_doubleSpinBoxGain_valueChanged(double value);
+    void on_revertButton_clicked();
     void on_resetButton_clicked();
 
 private:

iqbalance.ui

@@ -173,6 +173,16 @@ p, li { white-space: pre-wrap; }
         </property>
        </widget>
       </item>
+      <item row="2" column="1">
+       <widget class="QPushButton" name="revertButton">
+        <property name="toolTip">
+         <string>Revert to previously stored values</string>
+        </property>
+        <property name="text">
+         <string>Revert</string>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>