Work in progress.

signalcurve.cpp

@@ -134,7 +134,7 @@ void SignalCurve::paintEvent(QPaintEvent *)
 
 void SignalCurve::drawWidget(QPainter *painter, int curve_w, int curve_h)
 {
-  int i, chn;
+  int i, chn, tmp;
 
   double offset=0.0,
          h_step=0.0,
@@ -328,6 +328,8 @@ void SignalCurve::drawWidget(QPainter *painter, int curve_w, int curve_h)
 
   painter->setClipping(false);
 
+/////////////////////////////////// draw the trigger arrows ///////////////////////////////////////////
+
   if(trig_level_arrow_moving)
   {
     drawArrow(painter, curve_w, trig_level_arrow_pos, 2, QColor(255, 128, 0), 'T');
@@ -394,6 +396,19 @@ void SignalCurve::drawWidget(QPainter *painter, int curve_w, int curve_h)
       }
   }
 
+  tmp = 407 - ((devparms->timebaseoffset / (devparms->timebasescale * 14.0)) * 233);
+
+  if(tmp < -116)
+  {
+    tmp = -116;
+  }
+  else if(tmp > 116)
+    {
+      tmp = 116;
+    }
+
+  drawSmallTriggerArrow(painter, tmp, 16, QColor(255, 128, 0));
+
 //   clk_end = clock();
 //
 //   cpu_time_used += ((double) (clk_end - clk_start)) / CLOCKS_PER_SEC;
@@ -566,8 +581,6 @@ void SignalCurve::drawTopLabels(QPainter *painter)
 
   painter->drawLine(519, 22, 520, 22);
 
-  drawSmallTriggerArrow(painter, 407, 16, QColor(255, 128, 0));
-
 //////////////// delay ///////////////////////////////
 
   path = QPainterPath();