def new_canvas(*args, **kwargs):
"""Return a new figure canvas."""
allnums = _pylab_helpers.Gcf.figs.keys()
num = max(allnums) + 1 if allnums else 1
FigureClass = kwargs.pop('FigureClass', Figure)
figure = FigureClass(*args, **kwargs)
canvas = FigureCanvas(figure)
fig_manager = FigureManagerQT(canvas, num)
return fig_manager.canvas
def __init__(self, width=9.00, height=7.00, dpi=72):
self.fig = Figure(figsize=(width,height),dpi=dpi)
self.canvas = TraceCanvas(self.fig)
FigureManagerQT.__init__(self,self.canvas,-1)
self.MainWidget = self.window
self.setWindowTitle('Trace...')
self.isclosed = False
#########
_figlist.append(self)
# The closing of matplotlib was changed in 1.2.1
# https://github.com/matplotlib/matplotlib/pull/1498
# It used to have QtCore.Qt.WA_DeleteOnClose attribute set on the main window
# now it uses the closing signal for regular figures. Lets do something similar.
#self.window.setAttribute(QtCore.Qt.WA_DeleteOnClose)
# closing is emitted when calling function slot close (usually connected to the window close
# button)
try:
# for matplotlib >= 1.2.1
self.window.closing.connect(self.close_slot)
except AttributeError:
# Using that QtCore.Qt.WA_DeleteOnClose attribute is set
self.window.destroyed.connect(self.close_slot)