one dataQueue per application

mainwindow.cpp

@@ -21,6 +21,10 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(dataService, SIGNAL(resultReady()), this, SLOT(handleResult()));
     dataServiceThread.start();
     */
+
+    DataLoader *loader = new DataLoader();
+    loader->moveToThread(&dataQueue);
+    dataQueue.start();
     file = nix::File::open("/home/grewe/zwischenlager/2017-08-17-af-invivo-1/2017-08-17-af-invivo-1.nix",
                            nix::FileMode::ReadOnly);
 
@@ -30,7 +34,7 @@ MainWindow::MainWindow(QWidget *parent) :
     this->voltage = b.getDataArray("V-1");
     this->eod = b.getDataArray("EOD");
 
-    MultiChartView *mcv = new MultiChartView();
+    MultiChartView *mcv = new MultiChartView(&dataQueue);
     ui->vbox->addWidget(mcv);
 
     mcv->addArray(eod);
@@ -42,5 +46,8 @@ MainWindow::~MainWindow() {
     if (file) {
         file.close();
     }
+    dataQueue.stop();
+    dataQueue.quit();
+    dataQueue.wait();
     delete ui;
 }

mainwindow.h

@@ -27,6 +27,7 @@ public:
 
 private:
     Ui::MainWindow *ui;
+    DataQueue dataQueue;
     nix::DataArray voltage, eod;
     nix::File file;
 };

multichartview.cpp

@@ -4,18 +4,16 @@
 
 using namespace QtCharts;
 
-MultiChartView::MultiChartView(QWidget *parent) :
+MultiChartView::MultiChartView(DataQueue *queue, QWidget *parent) :
-    QWidget(parent),
+    QWidget(parent), dataQueue(queue),
     ui(new Ui::MultiChartView)
 {
     ui->setupUi(this);
     xRangeMax = 0.0;
     xRangeMin = 0.0;
-    connect(&dataQueue, SIGNAL(resultReady(QString)), this, SLOT(dataReady(QString)));
+    connect(dataQueue, SIGNAL(resultReady(QString)), this, SLOT(dataReady(QString)));
     //connect(&dataQueue, SIGNAL(finished()), &dataQueue, SLOT(deleteLater()));
-    DataLoader *loader = new DataLoader();
+
-    loader->moveToThread(&dataQueue);
-    dataQueue.start();
 
 }
 
@@ -29,15 +27,12 @@ MultiChartView::~MultiChartView()
     for (vit = viewMap.begin(); vit != viewMap.end(); vit++) {
         delete vit->second;
     }
-    dataQueue.stop();
-    dataQueue.quit();
-    dataQueue.wait();
     delete ui;
 }
 
 
 void MultiChartView::addArray(const nix::DataArray &array) {
-    while (dataQueue.isRunning()){
+    while (dataQueue->isRunning()){
         // uncool!!!
     }
 
@@ -94,12 +89,12 @@ void MultiChartView::loadData(const ArrayInfo &info) {
         nix::NDSize count(1, 100000);
         nix::NDSize start(1, 0);
         std::string vId, eodId;
-        dataQueue.requestData(arrayMap.at(info.arrayid), count, start, vId);
+        dataQueue->requestData(arrayMap.at(info.arrayid), count, start, vId);
     }
 }
 
 void MultiChartView::dataReady(QString requestId){
-    DataResult1D data = dataQueue.getData(requestId);
+    DataResult1D data = dataQueue->getData(requestId);
     if (data.id.empty()) {
         return;
     }

multichartview.h

@@ -87,15 +87,15 @@ class MultiChartView : public QWidget
     Q_OBJECT
 
 public:
-    explicit MultiChartView(QWidget *parent = 0);
+    explicit MultiChartView(DataQueue *queue, QWidget *parent = 0);
     ~MultiChartView();
 
     void addArray(const nix::DataArray &array);
     void loadData(const ArrayInfo &info);
 
 private:
+    DataQueue *dataQueue;
     Ui::MultiChartView *ui;
-    DataQueue dataQueue;
     double xRangeMin, xRangeMax;
     std::map<std::string, nix::DataArray> arrayMap;
     std::map<std::string, Chart*> chartMap;