Added ability to maintain bus and msg filters when clearing frames

canframemodel.cpp

@@ -67,6 +67,7 @@ CANFrameModel::CANFrameModel(QObject *parent)
     dbcHandler = DBCHandler::getReference();
     interpretFrames = false;
     overwriteDups = false;
+    filtersPersistDuringClear = false;
     useHexMode = true;
     timeSeconds = false;
     timeOffset = 0;
@@ -200,6 +201,11 @@ void CANFrameModel::setOverwriteMode(bool mode)
     endResetModel();
 }
 
+void CANFrameModel::setClearMode(bool mode)
+{
+    filtersPersistDuringClear = mode;
+}
+
 void CANFrameModel::setFilterState(unsigned int ID, bool state)
 {
     if (!filters.contains(ID)) return;
@@ -832,8 +838,11 @@ void CANFrameModel::clearFrames()
     this->beginResetModel();
     frames.clear();
     filteredFrames.clear();
-    filters.clear();
-    busFilters.clear();
+    if(filtersPersistDuringClear == false)
+    {
+        filters.clear();
+        busFilters.clear();
+    }
     frames.reserve(preallocSize);
     filteredFrames.reserve(preallocSize);
     this->endResetModel();

canframemodel.h

@@ -46,6 +46,7 @@ public:
     bool getInterpretMode();
     void setOverwriteMode(bool);
     void setHexMode(bool);
+    void setClearMode(bool mode);
     void setSysTimeMode(bool);
     void setMillisMode(bool mode);
     void setIgnoreDBCColors(bool mode);
@@ -89,6 +90,7 @@ private:
     QMutex mutex;
     bool interpretFrames; //should we use the dbcHandler?
     bool overwriteDups; //should we display all frames or only the newest for each ID?
+    bool filtersPersistDuringClear;
     QString timeFormat;
     bool useHexMode;
     bool timeSeconds;

mainwindow.cpp

@@ -141,6 +141,7 @@ MainWindow::MainWindow(QWidget *parent) :
 
     connect(ui->cbInterpret, &QAbstractButton::toggled, this, &MainWindow::interpretToggled);
     connect(ui->cbOverwrite, &QAbstractButton::toggled, this, &MainWindow::overwriteToggled);
+    connect(ui->cbPersistentFilters, &QAbstractButton::toggled, this, &MainWindow::presistentFiltersToggled);
     connect(ui->listFilters, &QListWidget::itemChanged, this, &MainWindow::filterListItemChanged);
     connect(ui->listBusFilters, &QListWidget::itemChanged, this, &MainWindow::busFilterListItemChanged);
 
@@ -616,6 +617,18 @@ void MainWindow::overwriteToggled(bool state)
     }
 }
 
+void MainWindow::presistentFiltersToggled(bool state)
+{
+    if (state)
+    {
+        model->setClearMode(true);
+    }
+    else
+    {
+        model->setClearMode(false);
+    }
+}
+
 void MainWindow::updateFilterList()
 {
     if (model == nullptr) return;

mainwindow.h

@@ -99,6 +99,7 @@ private slots:
     void setupSendToLatestGraphWindow();
     void interpretToggled(bool);
     void overwriteToggled(bool);
+    void presistentFiltersToggled(bool state);
     void logReceivedFrame(CANConnection*, QVector<CANFrame>);
     void tickGUIUpdate();
     void toggleCapture();

ui/mainwindow.ui

@@ -227,6 +227,13 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QCheckBox" name="cbPersistentFilters">
+        <property name="text">
+         <string>Keep Filters When Clearing</string>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="QCheckBox" name="cbAutoScroll">
         <property name="text">