NFM demod: GUI: use combo box for RF demodulator bandwidths

plugins/channel/demodnfm/nfmdemodgui.cpp

@@ -55,7 +55,7 @@ void NFMDemodGUI::resetToDefaults()
 {
 	blockApplySettings(true);
 
-	ui->rfBW->setValue(4);
+	ui->rfBW->setCurrentIndex(4);
 	ui->afBW->setValue(3);
 	ui->volume->setValue(20);
 	ui->squelchGate->setValue(5);
@@ -72,7 +72,7 @@ QByteArray NFMDemodGUI::serialize() const
 {
 	SimpleSerializer s(1);
 	s.writeS32(1, m_channelMarker.getCenterFrequency());
-	s.writeS32(2, ui->rfBW->value());
+	s.writeS32(2, ui->rfBW->currentIndex());
 	s.writeS32(3, ui->afBW->value());
 	s.writeS32(4, ui->volume->value());
 	s.writeS32(5, ui->squelch->value());
@@ -107,7 +107,7 @@ bool NFMDemodGUI::deserialize(const QByteArray& data)
 		d.readS32(1, &tmp, 0);
 		m_channelMarker.setCenterFrequency(tmp);
 		d.readS32(2, &tmp, 4);
-		ui->rfBW->setValue(tmp);
+		ui->rfBW->setCurrentIndex(tmp);
 		d.readS32(3, &tmp, 3);
 		ui->afBW->setValue(tmp);
 		d.readS32(4, &tmp, 20);
@@ -175,10 +175,11 @@ void NFMDemodGUI::on_deltaFrequency_changed(quint64 value)
 	}
 }
 
-void NFMDemodGUI::on_rfBW_valueChanged(int value)
+void NFMDemodGUI::on_rfBW_currentIndexChanged(int index)
 {
-	ui->rfBWText->setText(QString("%1 k").arg(m_rfBW[value] / 1000.0));
+	qDebug() << "NFMDemodGUI::on_rfBW_currentIndexChanged" << index;
-	m_channelMarker.setBandwidth(m_rfBW[value]);
+	//ui->rfBWText->setText(QString("%1 k").arg(m_rfBW[value] / 1000.0));
+	m_channelMarker.setBandwidth(m_rfBW[index]);
 	applySettings();
 }
 
@@ -256,6 +257,14 @@ NFMDemodGUI::NFMDemodGUI(PluginAPI* pluginAPI, QWidget* parent) :
 {
 	ui->setupUi(this);
 	setAttribute(Qt::WA_DeleteOnClose, true);
+
+	blockApplySettings(true);
+	ui->rfBW->clear();
+	for (int i = 0; i < m_nbRfBW; i++) {
+		ui->rfBW->addItem(QString("%1").arg(m_rfBW[i] / 1000.0, 0, 'f', 2));
+	}
+	blockApplySettings(false);
+
 	connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
 	connect(this, SIGNAL(menuDoubleClickEvent()), this, SLOT(onMenuDoubleClicked()));
 
@@ -320,7 +329,7 @@ void NFMDemodGUI::applySettings()
 		ui->deltaMinus->setChecked(m_channelMarker.getCenterFrequency() < 0);
 
 		m_nfmDemod->configure(m_nfmDemod->getInputMessageQueue(),
-			m_rfBW[ui->rfBW->value()],
+			m_rfBW[ui->rfBW->currentIndex()],
 			ui->afBW->value() * 1000.0,
 			ui->volume->value() / 10.0,
 			ui->squelchGate->value(), // in 10ths of ms

plugins/channel/demodnfm/nfmdemodgui.h

@@ -40,7 +40,7 @@ private slots:
 	void viewChanged();
 	void on_deltaFrequency_changed(quint64 value);
 	void on_deltaMinus_toggled(bool minus);
-	void on_rfBW_valueChanged(int value);
+	void on_rfBW_currentIndexChanged(int index);
 	void on_afBW_valueChanged(int value);
 	void on_volume_valueChanged(int value);
 	void on_squelchGate_valueChanged(int value);

plugins/channel/demodnfm/nfmdemodgui.ui

@@ -153,37 +153,34 @@
        </widget>
       </item>
       <item>
-       <widget class="QSlider" name="rfBW">
+       <widget class="QComboBox" name="rfBW">
+        <property name="maximumSize">
+         <size>
+          <width>60</width>
+          <height>16777215</height>
+         </size>
+        </property>
         <property name="toolTip">
-         <string>Demodulator (RF) bandwidth</string>
+         <string>RF demodulator bandwidth (kHz)</string>
         </property>
-        <property name="maximum">
+        <property name="currentIndex">
-         <number>8</number>
+         <number>-1</number>
-        </property>
-        <property name="pageStep">
-         <number>1</number>
-        </property>
-        <property name="value">
-         <number>4</number>
-        </property>
-        <property name="orientation">
-         <enum>Qt::Horizontal</enum>
         </property>
        </widget>
       </item>
       <item>
-       <widget class="QLabel" name="rfBWText">
+       <widget class="QLabel" name="rfBWUnitText">
         <property name="minimumSize">
          <size>
-          <width>40</width>
+          <width>10</width>
           <height>0</height>
          </size>
         </property>
         <property name="text">
-         <string>12.5 k</string>
+         <string>k</string>
         </property>
         <property name="alignment">
-         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+         <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
         </property>
        </widget>
       </item>
@@ -200,6 +197,19 @@
         </property>
        </widget>
       </item>
+      <item>
+       <spacer name="horizontalSpacer_3">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>40</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
       <item>
        <widget class="QLabel" name="afLabel">
         <property name="text">
@@ -216,7 +226,7 @@
          </size>
         </property>
         <property name="toolTip">
-         <string>Audio bandwidth</string>
+         <string>Audio bandwidth (kHz)</string>
         </property>
         <property name="minimum">
          <number>1</number>
@@ -270,6 +280,9 @@
           <height>24</height>
          </size>
         </property>
+        <property name="toolTip">
+         <string>Sound volume</string>
+        </property>
         <property name="maximum">
          <number>100</number>
         </property>
@@ -295,6 +308,9 @@
           <height>16777215</height>
          </size>
         </property>
+        <property name="toolTip">
+         <string>Sound volume</string>
+        </property>
         <property name="text">
          <string>2.0</string>
         </property>
@@ -331,6 +347,9 @@
           <height>24</height>
          </size>
         </property>
+        <property name="toolTip">
+         <string>Squelch threshold (dB)</string>
+        </property>
         <property name="minimum">
          <number>-1000</number>
         </property>