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Deprecate NavigationToolbar2GTK3.ctx. #13144

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Merged
merged 1 commit into from
Apr 22, 2020
Merged

Deprecate NavigationToolbar2GTK3.ctx. #13144

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4 changes: 4 additions & 0 deletions doc/api/api_changes_3.3/deprecations.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -373,6 +373,10 @@ These attributes are deprecated. In order to access the parent window, use
also be accessible as ``toolbar.parent()``. The base directory to the icons
is ``os.path.join(mpl.get_data_path(), "images")``.

NavigationToolbar2QT.ctx
~~~~~~~~~~~~~~~~~~~~~~~~
This attribute is deprecated.

Path helpers in :mod:`.bezier`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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18 changes: 11 additions & 7 deletions lib/matplotlib/backends/backend_gtk3.py
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Expand Up @@ -452,7 +452,11 @@ def __init__(self, canvas, window):
self.win = window
GObject.GObject.__init__(self)
NavigationToolbar2.__init__(self, canvas)
self.ctx = None

@cbook.deprecated("3.3")
@property
def ctx(self):
return self.canvas.get_property("window").cairo_create()

def set_message(self, s):
self.message.set_label(s)
Expand All @@ -464,7 +468,7 @@ def set_cursor(self, cursor):
def draw_rubberband(self, event, x0, y0, x1, y1):
# adapted from
# http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/189744
self.ctx = self.canvas.get_property("window").cairo_create()
ctx = self.canvas.get_property("window").cairo_create()

# todo: instead of redrawing the entire figure, copy the part of
# the figure that was covered by the previous rubberband rectangle
Expand All @@ -477,11 +481,11 @@ def draw_rubberband(self, event, x0, y0, x1, y1):
h = abs(y1 - y0)
rect = [int(val) for val in (min(x0, x1), min(y0, y1), w, h)]

self.ctx.new_path()
self.ctx.set_line_width(0.5)
self.ctx.rectangle(rect[0], rect[1], rect[2], rect[3])
self.ctx.set_source_rgb(0, 0, 0)
self.ctx.stroke()
ctx.new_path()
ctx.set_line_width(0.5)
ctx.rectangle(*rect)
ctx.set_source_rgb(0, 0, 0)
ctx.stroke()

def _init_toolbar(self):
self.set_style(Gtk.ToolbarStyle.ICONS)
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