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Add AxesWidget base class to handle event activation and clean up. #724

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Merged
merged 8 commits into from
Mar 17, 2012
Merged

Add AxesWidget base class to handle event activation and clean up. #724

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8af797d
Change cursors and selectors to subclass Widget.
tonysyu Feb 27, 2012
5b35427
Remove call to `new_axes` in SpanSelector.
tonysyu Feb 27, 2012
e37c135
Add AxesWidget class and let it initialize `ax` and `canvas` attributes.
tonysyu Feb 27, 2012
21bca27
Add `connect_event` and `disconnect_events` to AxesWidget.
tonysyu Feb 27, 2012
c8f152a
Add default ignore method and check it in callbacks.
tonysyu Feb 28, 2012
6baa65a
Fix: save correct callback ids.
tonysyu Feb 28, 2012
0f0286e
Remove duplicate code in `SpanSelector.__init__`.
tonysyu Feb 28, 2012
f169460
Fix and improve docstring.
tonysyu Mar 2, 2012
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Remove duplicate code in SpanSelector.__init__.
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@tonysyu
tonysyu committed Feb 28, 2012
commit 0f0286ea39eaa95282a46c7ae245f0a2fe52a922
21 changes: 3 additions & 18 deletions 21 lib/matplotlib/widgets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1000,24 +1000,9 @@ def __init__(self, ax, onselect, direction, minspan=None, useblit=False,
self.buttonDown = False
self.prev = (0, 0)

self.connect_event('motion_notify_event', self.onmove)
self.connect_event('button_press_event', self.press)
self.connect_event('button_release_event', self.release)
self.connect_event('draw_event', self.update_background)

if self.direction == 'horizontal':
trans = blended_transform_factory(self.ax.transData, self.ax.transAxes)
w,h = 0,1
else:
trans = blended_transform_factory(self.ax.transAxes, self.ax.transData)
w,h = 1,0
self.rect = Rectangle( (0,0), w, h,
transform=trans,
visible=False,
**self.rectprops
)

if not self.useblit: self.ax.add_patch(self.rect)
# Reset canvas so that `new_axes` connects events.
self.canvas = None
self.new_axes(ax)

def new_axes(self,ax):
self.ax = ax
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