def mouse_event(self, *args):
""" intercept mouse event if pause """
if not self._pause:
event = self.events[-1] ## bug: does not change
_plt.axes(event.inaxes) ## subplot axes automatically
_BlockMouse.mouse_event(self, *args)
elif self.n > 0:
self.n += 1
def key_event(self, *args):
""" intercept key event """
intercepted = False
key = self.events[-1].key
if self._key_event.has_key(key):
self._key_event[key](self)
self.events.pop()
else:
_BlockMouse.key_event(self, *args)
def ginput(self, n=1, timeout=30, show_clicks=True):
"""
call signature::
ginput(self, n=1, timeout=30, show_clicks=True)
Blocking call to interact with the figure.
This will wait for *n* clicks from the user and return a list of the
coordinates of each click.
If *timeout* is zero or negative, does not timeout.
If *n* is zero or negative, accumulate clicks until a middle click
(or potentially both mouse buttons at once) terminates the input.
Right clicking cancels last input.
The keyboard can also be used to select points in case your mouse
does not have one or more of the buttons. The delete and backspace
keys act like right clicking (i.e., remove last point), the enter key
terminates input and any other key (not already used by the window
manager) selects a point.
"""
blocking_mouse_input = BlockingMouseInput(self)
return blocking_mouse_input(n=n,
timeout=timeout,
show_clicks=show_clicks)
def __init__(self,
fig,
mouse_add=1,
mouse_pop=3,
mouse_stop=2,
key_pause='p',
**key_event):
_BlockMouse.__init__(self,
fig=fig,
mouse_add=mouse_add,
mouse_pop=mouse_pop,
mouse_stop=mouse_stop)
self._pause = False
key_event[key_pause] = self.switch_pause
self._key_event = key_event
def __call__(self, n=0, p=0, timeout=30, show_clicks=True):
"""
Blocking call to retrieve the drawn polylines.
n is the number of points per polylines, and p the number of polylines
0 means no limit
return the clicks as a list of (x,y) tuples (w/o polyline structure)
"""
self.N = n if n != 0 else _np.inf
self.lines = []
_BlockMouse.__call__(self,
n=n * p,
timeout=timeout,
show_clicks=show_clicks)
return self.clicks
def ginput(self,
n=1,
timeout=30,
show_clicks=True,
mouse_add=1,
mouse_pop=3,
mouse_stop=2):
"""
call signature::
ginput(self, n=1, timeout=30, show_clicks=True,
mouse_add=1, mouse_pop=3, mouse_stop=2)
Blocking call to interact with the figure.
This will wait for *n* clicks from the user and return a list of the
coordinates of each click.
If *timeout* is zero or negative, does not timeout.
If *n* is zero or negative, accumulate clicks until a middle click
(or potentially both mouse buttons at once) terminates the input.
Right clicking cancels last input.
The buttons used for the various actions (adding points, removing
points, terminating the inputs) can be overriden via the
arguments *mouse_add*, *mouse_pop* and *mouse_stop*, that give
the associated mouse button: 1 for left, 2 for middle, 3 for
right.
The keyboard can also be used to select points in case your mouse
does not have one or more of the buttons. The delete and backspace
keys act like right clicking (i.e., remove last point), the enter key
terminates input and any other key (not already used by the window
manager) selects a point.
"""
blocking_mouse_input = BlockingMouseInput(self,
mouse_add=mouse_add,
mouse_pop=mouse_pop,
mouse_stop=mouse_stop)
return blocking_mouse_input(n=n,
timeout=timeout,
show_clicks=show_clicks)
def ginput(self, n=1, timeout=30, show_clicks=True):
"""
call signature::
ginput(self, n=1, timeout=30, show_clicks=True)
Blocking call to interact with the figure.
This will wait for *n* clicks from the user and return a list of the
coordinates of each click.
If *timeout* is negative, does not timeout.
If *n* is negative, accumulate clicks until a middle click
terminates the input.
Right clicking cancels last input.
"""
blocking_mouse_input = BlockingMouseInput(self)
return blocking_mouse_input(n=n, timeout=timeout,
show_clicks=show_clicks)