Added filter width parameter. Added filter center right click option.

mainwindow.cpp

@@ -7541,7 +7541,9 @@ void MainWindow::on_actionJS8_triggered()
   updateModeButtonText();
 
   m_wideGraph->setSubMode(m_nSubMode);
+#if JS8_ENFORCE_MINIMUM_FILTER_BANDWIDTH
   m_wideGraph->setFilterMinimumBandwidth(computeBandwidthForSubmode(m_nSubMode) + 2*rxThreshold(m_nSubMode));
+#endif
 
   bool bVHF=m_config.enable_VHF_features();
   enable_DXCC_entity (m_config.DXCC ());

widegraph.cpp

@@ -85,6 +85,12 @@ WideGraph::WideGraph(QSettings * settings, QWidget *parent) :
         ui->filterCheckBox->setChecked(true);
       });
 
+      auto centerAction = menu->addAction(QString("Set Filter &Center to %1 Hz").arg(f));
+      connect(centerAction, &QAction::triggered, this, [this, f](){
+        ui->filterCenterSpinBox->setValue(f);
+        ui->filterCheckBox->setChecked(true);
+      });
+
       auto maxAction = menu->addAction(QString("Set Filter Ma&ximum to %1 Hz").arg(f));
       connect(maxAction, &QAction::triggered, this, [this, f](){
           ui->filterMaxSpinBox->setValue(f);
@@ -397,10 +403,12 @@ void WideGraph::setFilter(int a, int b){
     int low = std::min(a, b);
     int high = std::max(a, b);
 
+#if JS8_ENFORCE_MINIMUM_FILTER_BANDWIDTH
     // ensure minimum filter width
     if(high-low < m_filterMinWidth){
         high = low + m_filterMinWidth;
     }
+#endif
 
     int width = high - low;
     int center = low + width / 2;
@@ -430,6 +438,12 @@ void WideGraph::setFilter(int a, int b){
     }
     ui->filterCenterSpinBox->blockSignals(blocked);
 
+    blocked = ui->filterWidthSpinBox->blockSignals(true);
+    {
+        ui->filterWidthSpinBox->setValue(width);
+    }
+    ui->filterWidthSpinBox->blockSignals(blocked);
+
     // update the wide plot UI
     ui->widePlot->setFilterCenter(center);
     ui->widePlot->setFilterWidth(width);
@@ -447,6 +461,7 @@ void WideGraph::setFilterEnabled(bool enabled){
     ui->filterMinSpinBox->setEnabled(enabled);
     ui->filterMaxSpinBox->setEnabled(enabled);
     ui->filterCenterSpinBox->setEnabled(enabled);
+    ui->filterWidthSpinBox->setEnabled(enabled);
 
     // update the checkbox ui
     bool blocked = ui->filterCheckBox->blockSignals(true);
@@ -737,6 +752,10 @@ void WideGraph::on_filterCenterSpinBox_valueChanged(int n){
     setFilter(m_filterMinimum + delta, m_filterMaximum + delta);
 }
 
+void WideGraph::on_filterWidthSpinBox_valueChanged(int n){
+    setFilter(m_filterCenter - n/2, m_filterCenter - n/2 + n);
+}
+
 void WideGraph::on_filterCheckBox_toggled(bool b){
     setFilterEnabled(b);
 }

widegraph.h

@@ -100,6 +100,7 @@ private slots:
   void on_filterMinSpinBox_valueChanged(int n);
   void on_filterMaxSpinBox_valueChanged(int n);
   void on_filterCenterSpinBox_valueChanged(int n);
+  void on_filterWidthSpinBox_valueChanged(int n);
   void on_filterCheckBox_toggled(bool b);
   void on_filterOpacitySpinBox_valueChanged(int n);
 

widegraph.ui

@@ -172,9 +172,9 @@
               <property name="geometry">
                <rect>
                 <x>0</x>
-                <y>0</y>
+                <y>-196</y>
                 <width>267</width>
-                <height>370</height>
+                <height>402</height>
                </rect>
               </property>
               <layout class="QVBoxLayout" name="verticalLayout_8">
@@ -293,7 +293,7 @@
                      <number>5000</number>
                     </property>
                     <property name="singleStep">
-                     <number>10</number>
+                     <number>1</number>
                     </property>
                     <property name="value">
                      <number>500</number>
@@ -318,7 +318,7 @@
                      <number>5000</number>
                     </property>
                     <property name="singleStep">
-                     <number>10</number>
+                     <number>1</number>
                     </property>
                     <property name="value">
                      <number>2500</number>
@@ -340,7 +340,26 @@
                      <number>5000</number>
                     </property>
                     <property name="singleStep">
-                     <number>10</number>
+                     <number>1</number>
+                    </property>
+                    <property name="value">
+                     <number>1500</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QSpinBox" name="filterWidthSpinBox">
+                    <property name="enabled">
+                     <bool>false</bool>
+                    </property>
+                    <property name="suffix">
+                     <string> Hz</string>
+                    </property>
+                    <property name="prefix">
+                     <string>Width: </string>
+                    </property>
+                    <property name="maximum">
+                     <number>5000</number>
                     </property>
                     <property name="value">
                      <number>1000</number>
@@ -395,7 +414,7 @@
               <property name="geometry">
                <rect>
                 <x>0</x>
-                <y>-517</y>
+                <y>0</y>
                 <width>267</width>
                 <height>691</height>
                </rect>