Remote input GUI: add mini dial for sub kHz center frequency digits

plugins/samplesource/remoteinput/remoteinputgui.cpp

@@ -80,6 +80,9 @@ RemoteInputGui::RemoteInputGui(DeviceUISet *deviceUISet, QWidget* parent) :
 	ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
 	ui->centerFrequency->setValueRange(7, 0, 9999999U);
 
+	ui->centerFrequencyHz->setColorMapper(ColorMapper(ColorMapper::GrayGold));
+	ui->centerFrequencyHz->setValueRange(3, 0, 999U);
+
     CRightClickEnabler *startStopRightClickEnabler = new CRightClickEnabler(ui->startStop);
     connect(startStopRightClickEnabler, SIGNAL(rightClick(const QPoint &)), this, SLOT(openDeviceSettingsDialog(const QPoint &)));
 
@@ -284,6 +287,7 @@ void RemoteInputGui::updateSampleRateAndFrequency()
     ui->deviceRateText->setText(tr("%1k").arg((float)m_streamSampleRate / 1000));
     blockApplySettings(true);
     ui->centerFrequency->setValue(m_streamCenterFrequency / 1000);
+    ui->centerFrequencyHz->setValue(0); // TODO
     blockApplySettings(false);
 }
 
@@ -292,6 +296,7 @@ void RemoteInputGui::displaySettings()
     blockApplySettings(true);
 
     ui->centerFrequency->setValue(m_streamCenterFrequency / 1000);
+    ui->centerFrequencyHz->setValue(0); // TODO
     ui->deviceRateText->setText(tr("%1k").arg(m_streamSampleRate / 1000.0));
 
     ui->apiAddress->setText(m_settings.m_apiAddress);

plugins/samplesource/remoteinput/remoteinputgui.ui

@@ -137,7 +137,7 @@
         </font>
        </property>
        <property name="cursor">
-        <cursorShape>PointingHandCursor</cursorShape>
+        <cursorShape>ForbiddenCursor</cursorShape>
        </property>
        <property name="focusPolicy">
         <enum>Qt::StrongFocus</enum>
@@ -148,24 +148,37 @@
       </widget>
      </item>
      <item>
-      <widget class="QLabel" name="freqUnits">
-       <property name="text">
-        <string> kHz</string>
+      <layout class="QVBoxLayout" name="hertzLayout">
+       <property name="rightMargin">
+        <number>10</number>
        </property>
-      </widget>
-     </item>
-     <item>
-      <spacer name="freqRightlSpacer">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>0</width>
-         <height>0</height>
-        </size>
-       </property>
-      </spacer>
+       <item>
+        <widget class="QLabel" name="freqUnits">
+         <property name="text">
+          <string> kHz</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="ValueDial" name="centerFrequencyHz" native="true">
+         <property name="enabled">
+          <bool>false</bool>
+         </property>
+         <property name="font">
+          <font>
+           <family>Liberation Mono</family>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="cursor">
+          <cursorShape>ForbiddenCursor</cursorShape>
+         </property>
+         <property name="toolTip">
+          <string>Remote center frequency sub kHz</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
      </item>
     </layout>
    </item>