enable_fancy_plots: Make fancy plots easier

This change makes it easier to use widgets in plots
that are created by analysis scripts. Now, self.canvas
is set to the existing figure canvas, rather than
creating a new canvas.

DSB

Author: dsbarker

analysis_subprocess.py

@@ -37,10 +37,8 @@
 lyse.figure_manager.install()
 
 if QT_ENV == PYQT5:
-    from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
     from matplotlib.backends.backend_qt5agg import NavigationToolbar2QT as NavigationToolbar
 else:
-    from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
     from matplotlib.backends.backend_qt4agg import NavigationToolbar2QT as NavigationToolbar
 import pylab
 import zprocess.locking, labscript_utils.h5_lock, h5py
@@ -133,7 +131,7 @@ def __init__(self, figure, identifier, filepath):
 
         # figure.tight_layout()
         self.figure = figure
-        self.canvas = FigureCanvas(figure)
+        self.canvas = figure.canvas
         self.navigation_toolbar = NavigationToolbar(self.canvas, self.ui)
 
         self.lock_action = self.navigation_toolbar.addAction(