Add checkbox to disable connection quality warning

App/AppConfig.cpp

@@ -53,6 +53,7 @@ AppConfig::serialize(void)
   obj.set("fullScreen", this->fullScreen);
   obj.set("sidePanelRatio", this->sidePanelRatio);
   obj.set("disableHighRateWarning", this->disableHighRateWarning);
+  obj.set("disableConnectionQualityWarning", this->disableConnectionQualityWarning);
   obj.set("loFreq", this->loFreq);
   obj.set("bandwidth", this->bandwidth);
   obj.set("lastLoadedFile", this->lastLoadedFile);
@@ -138,6 +139,7 @@ AppConfig::deserialize(Suscan::Object const &conf)
     TRYSILENT(this->fullScreen = conf.get("fullScreen", this->fullScreen));
     TRYSILENT(this->sidePanelRatio = conf.get("sidePanelRatio", this->sidePanelRatio));
     TRYSILENT(this->disableHighRateWarning = conf.get("disableHighRateWarning", this->disableHighRateWarning));
+    TRYSILENT(this->disableConnectionQualityWarning = conf.get("disableConnectionQualityWarning", this->disableHighRateWarning));
     TRYSILENT(this->loFreq     = conf.get("loFreq", this->loFreq));
     TRYSILENT(this->bandwidth  = conf.get("bandwidth", this->bandwidth));
     TRYSILENT(this->lastLoadedFile = conf.get("lastLoadedFile", this->lastLoadedFile));

UIMediator/SpectrumMediator.cpp

@@ -23,6 +23,7 @@
 #include "MainSpectrum.h"
 #include <InspectionWidgetFactory.h>
 #include <SuWidgetsHelpers.h>
+#include <QCheckBox>
 
 using namespace SigDigger;
 
@@ -86,13 +87,25 @@ UIMediator::feedPSD(const Suscan::PSDMessage &msg)
         if ((m_psdDelta - interval) / interval
             > SIGDIGGER_UI_MEDIATOR_PSD_MAX_LAG) {
           if (m_laggedMsgBox == nullptr) {
+            QCheckBox *cb = new QCheckBox("Do not show again");
             m_laggedMsgBox = new QMessageBox(m_owner);
             m_laggedMsgBox->setWindowTitle("Connection quality warning");
             m_laggedMsgBox->setWindowModality(Qt::NonModal);
             m_laggedMsgBox->setIcon(QMessageBox::Icon::Warning);
+            m_laggedMsgBox->setCheckBox(cb);
+
+            QObject::connect(
+                  cb,
+                  &QCheckBox::stateChanged,
+                  [this](int state) {
+              if (static_cast<Qt::CheckState>(state) == Qt::CheckState::Checked) {
+                m_appConfig->disableConnectionQualityWarning = true;
+              }
+            });
           }
 
-          if (m_laggedMsgBox->isHidden()) {
+          if (m_laggedMsgBox->isHidden()
+              && !m_appConfig->disableConnectionQualityWarning) {
             m_laggedMsgBox->setText(
                   QString::asprintf(
                     "The rate at which spectrum data is arriving is slower than "

include/AppConfig.h

@@ -69,7 +69,7 @@ namespace SigDigger {
       int y = -1;
       qreal sidePanelRatio = .16;
       bool disableHighRateWarning = false;
-
+      bool disableConnectionQualityWarning = false;
       int loFreq = 0;
       unsigned int bandwidth = 0;