Adding frozen attr to PlotImage constructor

Author: pshriwise

openmc_plotter/plotgui.py

@@ -37,6 +37,8 @@ def __init__(self, model, parent, main_window):
         self.main_window = main_window
         self.parent = parent
 
+        self.frozen = False
+
         self.rubber_band = QRubberBand(QRubberBand.Rectangle, self)
         self.band_origin = QtCore.QPoint()
         self.x_plot_origin = None
@@ -439,7 +441,7 @@ def contextMenuEvent(self, event):
     def generatePixmap(self, update=False):
         if self.frozen:
             return
-
+        print('Calling gen plot')
         self.model.generatePlot()
         if update:
             self.updatePixmap()