Added ability to create multiple graphing windows that act separately.

Added ability to right check on signals in main view and graph them
directly.

re/graphingwindow.cpp

@@ -120,6 +120,26 @@ void GraphingWindow::closeEvent(QCloseEvent *event)
     writeSettings();
 }
 
+void GraphingWindow::changeEvent(QEvent *event)
+{
+    QWidget::changeEvent(event);
+    if (event->type() == QEvent::ActivationChange)
+    {
+        if(this->isActiveWindow())
+        {
+            setWindowOpacity(1);
+            ui->graphingView->repaint();
+            qDebug() << "Show";
+        }
+        else
+        {
+            setWindowOpacity(0.25);
+            // widget is now inactive
+            qDebug() << "Hide";
+        }
+    }
+}
+
 void GraphingWindow::readSettings()
 {
     QSettings settings;
@@ -268,6 +288,8 @@ void GraphingWindow::gotCenterTimeID(int32_t ID, double timestamp)
     //{
     //}
 
+    qDebug() << "Trying to center graph on timestamp: " << timestamp;
+
     QCPRange range = ui->graphingView->xAxis->range();
     double offset = range.size() / 2.0;
     if (!secondsMode) timestamp *= 1000000.0; //timestamp is always in seconds when being passed so convert if necessary
@@ -1312,6 +1334,17 @@ void GraphingWindow::createGraph(GraphParams &params, bool createGraphParam)
         ui->graphingView->graph()->setBrush(fillBrush);
     }
 
+    double xRange = (xmaxval - xminval);
+    double yRange = (ymaxval - yminval);
+    double xMid = xminval + (xRange / 2.0);
+    double yMid = yminval + (yRange / 2.0);
+
+    //creates a slightly larger view than the actual boundary values to give some padding
+    xminval = xMid - (xRange / 1.95);
+    xmaxval = xMid + (xRange / 1.95);
+    yminval = yMid - (yRange / 1.85);
+    ymaxval = yMid + (yRange / 1.85);
+
     qDebug() << "xmin: " << xminval;
     qDebug() << "xmax: " << xmaxval;
     qDebug() << "ymin: " << yminval;
@@ -1320,10 +1353,11 @@ void GraphingWindow::createGraph(GraphParams &params, bool createGraphParam)
     if (needScaleSetup)
     {
         needScaleSetup = false;
-        ui->graphingView->xAxis->setRange(xminval, xmaxval);
-        ui->graphingView->yAxis->setRange(yminval, ymaxval);
+        ui->graphingView->xAxis->setRange(xminval, xmaxval);        
         ui->graphingView->axisRect()->setupFullAxesBox();
     }
+    //always recalculate Y range so that new graphs actually show up in view
+    ui->graphingView->yAxis->setRange(yminval, ymaxval);
 
     ui->graphingView->replot();
 }

re/graphingwindow.h

@@ -45,6 +45,9 @@ public:
     ~GraphingWindow();
     void showEvent(QShowEvent*);
 
+public slots:
+    void createGraph(GraphParams &params, bool createGraphParam = true);
+
 private slots:
     void titleDoubleClick(QMouseEvent *event, QCPTextElement *title);
     void axisDoubleClick(QCPAxis* axis, QCPAxis::SelectablePart part);
@@ -66,8 +69,7 @@ private slots:
     void rescaleAxis(QCPAxis* axis);
     void rescaleToData();
     void toggleFollowMode();
-    void addNewGraph();
-    void createGraph(GraphParams &params, bool createGraphParam = true);
+    void addNewGraph();    
     void appendToGraph(GraphParams &params, CANFrame &frame, QVector<double> &x, QVector<double> &y);
     void editSelectedGraph();
     void updatedFrames(int);
@@ -99,6 +101,7 @@ private:
     void readSettings();
     void writeSettings();
     bool eventFilter(QObject *obj, QEvent *event);
+    void changeEvent(QEvent *event);
 };
 
 #endif // GRAPHINGWINDOW_H