mcpha.py: small adjustments to layout

mcpha.py

@@ -256,8 +256,9 @@ class MCPHA(QMainWindow, Ui_MCPHA):
                 self.osc.update()
                 self.reset_osc()
                 self.start_osc()
-            else:
-                return
+            #else:
+            #    return
+
 
     def reset_hst(self, number):
         if self.syncCheck.isChecked():
@@ -552,7 +553,7 @@ class HstDisplay(QWidget, Ui_HstDisplay):
         mn = self.min // self.factor
         mx = self.max // self.factor
         xsize = mx - mn
-        self.ax.set_xlim(mn - 0.03*xsize, mx*1.03)
+        self.ax.set_xlim(mn - 0.02*xsize, mx*1.02)
         self.ax.relim()
         self.ax.autoscale_view(scalex=True, scaley=True)
             
@@ -749,6 +750,7 @@ class OscDisplay(QWidget, Ui_OscDisplay):
         self.plotLayout.addWidget(self.canvas)
         self.ax = self.figure.add_subplot(111)
         self.ax.grid()
+        self.ax.set_xlim(-0.02*self.tot, 1.02*self.tot)
         self.ax.set_ylim(-4500, 4500)
         self.xunit = "[{:d} ns / sample]".format(4*8)
         self.ax.set_xlabel("sample number " + self.xunit)