def test_selector_clear(selector):
ax = get_ax()
def onselect(*args):
pass
kwargs = dict(ax=ax, onselect=onselect, interactive=True)
if selector == 'span':
Selector = widgets.SpanSelector
kwargs['direction'] = 'horizontal'
else:
Selector = widgets.RectangleSelector
tool = Selector(**kwargs)
click_and_drag(tool, start=(10, 10), end=(100, 120))
# press-release event outside the selector to clear the selector
click_and_drag(tool, start=(130, 130), end=(130, 130))
assert not tool._selection_completed
ax = get_ax()
kwargs['ignore_event_outside'] = True
tool = Selector(**kwargs)
assert tool.ignore_event_outside
click_and_drag(tool, start=(10, 10), end=(100, 120))
# press-release event outside the selector ignored
click_and_drag(tool, start=(130, 130), end=(130, 130))
assert tool._selection_completed
do_event(tool, 'on_key_press', key='escape')
assert not tool._selection_completed
def test_check_radio_buttons_image():
# Remove this line when this test image is regenerated.
plt.rcParams['text.kerning_factor'] = 6
get_ax()
plt.subplots_adjust(left=0.3)
rax1 = plt.axes([0.05, 0.7, 0.15, 0.15])
rax2 = plt.axes([0.05, 0.2, 0.15, 0.15])
widgets.RadioButtons(rax1, ('Radio 1', 'Radio 2', 'Radio 3'))
widgets.CheckButtons(rax2, ('Check 1', 'Check 2', 'Check 3'),
(False, True, True))
def test_rectangle_resize_square_center_aspect(use_data_coordinates):
ax = get_ax()
ax.set_aspect(0.8)
def onselect(epress, erelease):
pass
tool = widgets.RectangleSelector(ax, onselect, interactive=True,
use_data_coordinates=use_data_coordinates)
# Create rectangle
click_and_drag(tool, start=(70, 65), end=(120, 115))
assert tool.extents == (70.0, 120.0, 65.0, 115.0)
tool.add_state('square')
tool.add_state('center')
if use_data_coordinates:
# resize E handle
extents = tool.extents
xdata, ydata, width = extents[1], extents[3], extents[1] - extents[0]
xdiff, ycenter = 10, extents[2] + (extents[3] - extents[2]) / 2
xdata_new, ydata_new = xdata + xdiff, ydata
ychange = width / 2 + xdiff
click_and_drag(tool, start=(xdata, ydata), end=(xdata_new, ydata_new))
assert_allclose(tool.extents, [extents[0] - xdiff, xdata_new,
ycenter - ychange, ycenter + ychange])
else:
# resize E handle
extents = tool.extents
xdata, ydata = extents[1], extents[3]
xdiff = 10
xdata_new, ydata_new = xdata + xdiff, ydata
ychange = xdiff * 1 / tool._aspect_ratio_correction
click_and_drag(tool, start=(xdata, ydata), end=(xdata_new, ydata_new))
assert_allclose(tool.extents, [extents[0] - xdiff, xdata_new,
46.25, 133.75])
def test_polygon_selector_set_props_handle_props():
ax = get_ax()
ax._selections_count = 0
def onselect(vertices):
ax._selections_count += 1
ax._current_result = vertices
tool = widgets.PolygonSelector(ax, onselect,
props=dict(color='b', alpha=0.2),
handle_props=dict(alpha=0.5))
event_sequence = (polygon_place_vertex(50, 50)
+ polygon_place_vertex(150, 50)
+ polygon_place_vertex(50, 150)
+ polygon_place_vertex(50, 50))
for (etype, event_args) in event_sequence:
do_event(tool, etype, **event_args)
artist = tool._selection_artist
assert artist.get_color() == 'b'
assert artist.get_alpha() == 0.2
tool.set_props(color='r', alpha=0.3)
assert artist.get_color() == 'r'
assert artist.get_alpha() == 0.3
for artist in tool._handles_artists:
assert artist.get_color() == 'b'
assert artist.get_alpha() == 0.5
tool.set_handle_props(color='r', alpha=0.3)
for artist in tool._handles_artists:
assert artist.get_color() == 'r'
assert artist.get_alpha() == 0.3
def test_span_selector_drag(drag_from_anywhere):
ax = get_ax()
def onselect(*args):
pass
# Create span
tool = widgets.SpanSelector(ax, onselect, 'horizontal', interactive=True,
drag_from_anywhere=drag_from_anywhere)
do_event(tool, 'press', xdata=10, ydata=10, button=1)
do_event(tool, 'onmove', xdata=100, ydata=120, button=1)
do_event(tool, 'release', xdata=100, ydata=120, button=1)
assert tool.extents == (10, 100)
# Drag inside span
#
# If drag_from_anywhere == True, this will move the span by 10,
# giving new value extents = 20, 110
#
# If drag_from_anywhere == False, this will create a new span with
# value extents = 25, 35
do_event(tool, 'press', xdata=25, ydata=15, button=1)
do_event(tool, 'onmove', xdata=35, ydata=25, button=1)
do_event(tool, 'release', xdata=35, ydata=25, button=1)
if drag_from_anywhere:
assert tool.extents == (20, 110)
else:
assert tool.extents == (25, 35)
# Check that in both cases, dragging outside the span draws a new span
do_event(tool, 'press', xdata=175, ydata=185, button=1)
do_event(tool, 'onmove', xdata=185, ydata=195, button=1)
do_event(tool, 'release', xdata=185, ydata=195, button=1)
assert tool.extents == (175, 185)
def test_ellipse():
"""For ellipse, test out the key modifiers"""
ax = get_ax()
def onselect(epress, erelease):
pass
tool = widgets.EllipseSelector(ax, onselect=onselect,
grab_range=10, interactive=True)
tool.extents = (100, 150, 100, 150)
# drag the rectangle
click_and_drag(tool, start=(125, 125), end=(145, 145))
assert tool.extents == (120, 170, 120, 170)
# create from center
click_and_drag(tool, start=(100, 100), end=(125, 125), key='control')
assert tool.extents == (75, 125, 75, 125)
# create a square
click_and_drag(tool, start=(10, 10), end=(35, 30), key='shift')
extents = [int(e) for e in tool.extents]
assert extents == [10, 35, 10, 35]
# create a square from center
click_and_drag(tool, start=(100, 100), end=(125, 130), key='ctrl+shift')
extents = [int(e) for e in tool.extents]
assert extents == [70, 130, 70, 130]
assert tool.geometry.shape == (2, 73)
assert_allclose(tool.geometry[:, 0], [70., 100])
def test_rectangle_handles():
ax = get_ax()
def onselect(epress, erelease):
pass
tool = widgets.RectangleSelector(ax,
onselect=onselect,
maxdist=10,
interactive=True)
tool.extents = (100, 150, 100, 150)
assert tool.corners == ((100, 150, 150, 100), (100, 100, 150, 150))
assert tool.extents == (100, 150, 100, 150)
assert tool.edge_centers == ((100, 125.0, 150, 125.0), (125.0, 100, 125.0,
150))
assert tool.extents == (100, 150, 100, 150)
# grab a corner and move it
do_event(tool, 'press', xdata=100, ydata=100)
do_event(tool, 'onmove', xdata=120, ydata=120)
do_event(tool, 'release', xdata=120, ydata=120)
assert tool.extents == (120, 150, 120, 150)
# grab the center and move it
do_event(tool, 'press', xdata=132, ydata=132)
do_event(tool, 'onmove', xdata=120, ydata=120)
do_event(tool, 'release', xdata=120, ydata=120)
assert tool.extents == (108, 138, 108, 138)
# create a new rectangle
do_event(tool, 'press', xdata=10, ydata=10)
do_event(tool, 'onmove', xdata=100, ydata=100)
do_event(tool, 'release', xdata=100, ydata=100)
assert tool.extents == (10, 100, 10, 100)
def test_rectangle_drag(drag_from_anywhere, new_center):
ax = get_ax()
def onselect(epress, erelease):
pass
tool = widgets.RectangleSelector(ax,
onselect,
interactive=True,
drag_from_anywhere=drag_from_anywhere)
# Create rectangle
do_event(tool, 'press', xdata=0, ydata=10, button=1)
do_event(tool, 'onmove', xdata=100, ydata=120, button=1)
do_event(tool, 'release', xdata=100, ydata=120, button=1)
assert tool.center == (50, 65)
# Drag inside rectangle, but away from centre handle
#
# If drag_from_anywhere == True, this will move the rectangle by (10, 10),
# giving it a new center of (60, 75)
#
# If drag_from_anywhere == False, this will create a new rectangle with
# center (30, 20)
do_event(tool, 'press', xdata=25, ydata=15, button=1)
do_event(tool, 'onmove', xdata=35, ydata=25, button=1)
do_event(tool, 'release', xdata=35, ydata=25, button=1)
assert tool.center == new_center
# Check that in both cases, dragging outside the rectangle draws a new
# rectangle
do_event(tool, 'press', xdata=175, ydata=185, button=1)
do_event(tool, 'onmove', xdata=185, ydata=195, button=1)
do_event(tool, 'release', xdata=185, ydata=195, button=1)
assert tool.center == (180, 190)
def test_TextBox():
from unittest.mock import Mock
submit_event = Mock()
text_change_event = Mock()
ax = get_ax()
tool = widgets.TextBox(ax, '')
tool.on_submit(submit_event)
tool.on_text_change(text_change_event)
assert tool.text == ''
do_event(tool, '_click')
tool.set_val('x**2')
assert tool.text == 'x**2'
assert text_change_event.call_count == 1
tool.begin_typing(tool.text)
tool.stop_typing()
assert submit_event.call_count == 2
do_event(tool, '_click')
do_event(tool, '_keypress', key='+')
do_event(tool, '_keypress', key='5')
assert text_change_event.call_count == 3
def test_rectangle_selector_set_props_handle_props():
ax = get_ax()
def onselect(epress, erelease):
pass
tool = widgets.RectangleSelector(ax,
onselect,
interactive=True,
props=dict(facecolor='b', alpha=0.2),
handle_props=dict(alpha=0.5))
# Create rectangle
do_event(tool, 'press', xdata=0, ydata=10, button=1)
do_event(tool, 'onmove', xdata=100, ydata=120, button=1)
do_event(tool, 'release', xdata=100, ydata=120, button=1)
artist = tool._selection_artist
assert artist.get_facecolor() == mcolors.to_rgba('b', alpha=0.2)
tool.set_props(facecolor='r', alpha=0.3)
assert artist.get_facecolor() == mcolors.to_rgba('r', alpha=0.3)
for artist in tool._handles_artists:
assert artist.get_markeredgecolor() == 'black'
assert artist.get_alpha() == 0.5
tool.set_handle_props(markeredgecolor='r', alpha=0.3)
for artist in tool._handles_artists:
assert artist.get_markeredgecolor() == 'r'
assert artist.get_alpha() == 0.3
def test_span_selector_ignore_outside(ignore_event_outside):
ax = get_ax()
def onselect(vmin, vmax):
ax._got_onselect = True
def onmove(vmin, vmax):
ax._got_on_move = True
tool = widgets.SpanSelector(ax, onselect, 'horizontal',
onmove_callback=onmove,
ignore_event_outside=ignore_event_outside)
click_and_drag(tool, start=(100, 100), end=(125, 125))
assert ax._got_onselect
assert ax._got_on_move
assert tool.extents == (100, 125)
# Reset
ax._got_onselect = False
ax._got_on_move = False
# Trigger event outside of span
click_and_drag(tool, start=(150, 150), end=(160, 160))
if ignore_event_outside:
# event have been ignored and span haven't changed.
assert not ax._got_onselect
assert not ax._got_on_move
assert tool.extents == (100, 125)
else:
# A new shape is created
assert ax._got_onselect
assert ax._got_on_move
assert tool.extents == (150, 160)
def test_selector_clear_method(selector):
ax = get_ax()
def onselect(*args):
pass
if selector == 'span':
tool = widgets.SpanSelector(ax,
onselect,
'horizontal',
interactive=True,
ignore_event_outside=True)
else:
tool = widgets.RectangleSelector(ax, onselect, interactive=True)
do_event(tool, 'press', xdata=10, ydata=10, button=1)
do_event(tool, 'onmove', xdata=100, ydata=120, button=1)
do_event(tool, 'release', xdata=100, ydata=120, button=1)
assert tool._selection_completed
assert tool.visible
if selector == 'span':
assert tool.extents == (10, 100)
tool.clear()
assert not tool._selection_completed
assert not tool.visible
# Do another cycle of events to make sure we can
do_event(tool, 'press', xdata=10, ydata=10, button=1)
do_event(tool, 'onmove', xdata=50, ydata=120, button=1)
do_event(tool, 'release', xdata=50, ydata=120, button=1)
assert tool._selection_completed
assert tool.visible
if selector == 'span':
assert tool.extents == (10, 50)
def test_span_selector_onselect(interactive):
# check when press and release events take place at the same position
ax = get_ax()
def onselect(vmin, vmax):
ax._got_onselect = True
tool = widgets.SpanSelector(ax,
onselect,
'horizontal',
interactive=interactive)
do_event(tool, 'press', xdata=100, ydata=100, button=1)
# move outside of axis
do_event(tool, 'onmove', xdata=150, ydata=100, button=1)
do_event(tool, 'release', xdata=150, ydata=100, button=1)
assert tool.ax._got_onselect
assert tool.extents == (100, 150)
# Reset tool.ax._got_onselect
tool.ax._got_onselect = False
do_event(tool, 'press', xdata=10, ydata=100, button=1)
do_event(tool, 'release', xdata=10, ydata=100, button=1)
assert tool.ax._got_onselect
def test_span_selector_ignore_outside(ignore_event_outside):
ax = get_ax()
def onselect(vmin, vmax):
ax._got_onselect = True
def onmove(vmin, vmax):
ax._got_on_move = True
tool = widgets.SpanSelector(ax, onselect, 'horizontal',
onmove_callback=onmove,
ignore_event_outside=ignore_event_outside)
do_event(tool, 'press', xdata=100, ydata=100, button=1)
do_event(tool, 'onmove', xdata=125, ydata=125, button=1)
do_event(tool, 'release', xdata=125, ydata=125, button=1)
assert ax._got_onselect
assert ax._got_on_move
assert tool.extents == (100, 125)
# Reset
ax._got_onselect = False
ax._got_on_move = False
# Trigger event outside of span
do_event(tool, 'press', xdata=150, ydata=150, button=1)
do_event(tool, 'onmove', xdata=160, ydata=160, button=1)
do_event(tool, 'release', xdata=160, ydata=160, button=1)
if ignore_event_outside:
# event have been ignored and span haven't changed.
assert not ax._got_onselect
assert not ax._got_on_move
assert tool.extents == (100, 125)
else:
# A new shape is created
assert ax._got_onselect
assert ax._got_on_move
assert tool.extents == (150, 160)
def test_rectangle_selector_ignore_outside(ignore_event_outside):
ax = get_ax()
def onselect(vmin, vmax):
ax._got_onselect = True
tool = widgets.RectangleSelector(ax,
onselect,
ignore_event_outside=ignore_event_outside)
do_event(tool, 'press', xdata=100, ydata=110, button=1)
do_event(tool, 'onmove', xdata=150, ydata=120, button=1)
do_event(tool, 'release', xdata=150, ydata=120, button=1)
assert tool.ax._got_onselect
assert tool.extents == (100.0, 150.0, 110.0, 120.0)
# Reset
ax._got_onselect = False
# Trigger event outside of span
do_event(tool, 'press', xdata=150, ydata=150, button=1)
do_event(tool, 'onmove', xdata=160, ydata=160, button=1)
do_event(tool, 'release', xdata=160, ydata=160, button=1)
if ignore_event_outside:
# event have been ignored and span haven't changed.
assert not ax._got_onselect
assert tool.extents == (100.0, 150.0, 110.0, 120.0)
else:
# A new shape is created
assert ax._got_onselect
assert tool.extents == (150.0, 160.0, 150.0, 160.0)
def test_selector_clear_method(selector):
ax = get_ax()
def onselect(*args):
pass
if selector == 'span':
tool = widgets.SpanSelector(ax, onselect, 'horizontal',
interactive=True,
ignore_event_outside=True)
else:
tool = widgets.RectangleSelector(ax, onselect, interactive=True)
click_and_drag(tool, start=(10, 10), end=(100, 120))
assert tool._selection_completed
assert tool.visible
if selector == 'span':
assert tool.extents == (10, 100)
tool.clear()
assert not tool._selection_completed
assert not tool.visible
# Do another cycle of events to make sure we can
click_and_drag(tool, start=(10, 10), end=(50, 120))
assert tool._selection_completed
assert tool.visible
if selector == 'span':
assert tool.extents == (10, 50)
def test_TextBox(toolbar):
# Avoid "toolmanager is provisional" warning.
dict.__setitem__(plt.rcParams, "toolbar", toolbar)
from unittest.mock import Mock
submit_event = Mock()
text_change_event = Mock()
ax = get_ax()
tool = widgets.TextBox(ax, '')
tool.on_submit(submit_event)
tool.on_text_change(text_change_event)
assert tool.text == ''
do_event(tool, '_click')
tool.set_val('x**2')
assert tool.text == 'x**2'
assert text_change_event.call_count == 1
tool.begin_typing(tool.text)
tool.stop_typing()
assert submit_event.call_count == 2
do_event(tool, '_click')
do_event(tool, '_keypress', key='+')
do_event(tool, '_keypress', key='5')
assert text_change_event.call_count == 3
def check_polygon_selector(event_sequence, expected_result, selections_count):
"""
Helper function to test Polygon Selector.
Parameters
----------
event_sequence : list of tuples (etype, dict())
A sequence of events to perform. The sequence is a list of tuples
where the first element of the tuple is an etype (e.g., 'onmove',
'press', etc.), and the second element of the tuple is a dictionary of
the arguments for the event (e.g., xdata=5, key='shift', etc.).
expected_result : list of vertices (xdata, ydata)
The list of vertices that are expected to result from the event
sequence.
selections_count : int
Wait for the tool to call its `onselect` function `selections_count`
times, before comparing the result to the `expected_result`
"""
ax = get_ax()
ax._selections_count = 0
def onselect(vertices):
ax._selections_count += 1
ax._current_result = vertices
tool = widgets.PolygonSelector(ax, onselect)
for (etype, event_args) in event_sequence:
do_event(tool, etype, **event_args)
assert ax._selections_count == selections_count
assert ax._current_result == expected_result
def test_span_selector_drag(drag_from_anywhere):
ax = get_ax()
def onselect(*args):
pass
# Create span
tool = widgets.SpanSelector(ax, onselect, 'horizontal', interactive=True,
drag_from_anywhere=drag_from_anywhere)
click_and_drag(tool, start=(10, 10), end=(100, 120))
assert tool.extents == (10, 100)
# Drag inside span
#
# If drag_from_anywhere == True, this will move the span by 10,
# giving new value extents = 20, 110
#
# If drag_from_anywhere == False, this will create a new span with
# value extents = 25, 35
click_and_drag(tool, start=(25, 15), end=(35, 25))
if drag_from_anywhere:
assert tool.extents == (20, 110)
else:
assert tool.extents == (25, 35)
# Check that in both cases, dragging outside the span draws a new span
click_and_drag(tool, start=(175, 185), end=(185, 195))
assert tool.extents == (175, 185)
def check_span(*args, **kwargs):
ax = get_ax()
def onselect(vmin, vmax):
ax._got_onselect = True
assert vmin == 100
assert vmax == 150
def onmove(vmin, vmax):
assert vmin == 100
assert vmax == 125
ax._got_on_move = True
if 'onmove_callback' in kwargs:
kwargs['onmove_callback'] = onmove
tool = widgets.SpanSelector(ax, onselect, *args, **kwargs)
do_event(tool, 'press', xdata=100, ydata=100, button=1)
do_event(tool, 'onmove', xdata=125, ydata=125, button=1)
do_event(tool, 'release', xdata=150, ydata=150, button=1)
assert ax._got_onselect
if 'onmove_callback' in kwargs:
assert ax._got_on_move
def test_CheckButtons():
ax = get_ax()
check = widgets.CheckButtons(ax, ('a', 'b', 'c'), (True, False, True))
assert check.get_status() == [True, False, True]
check.set_active(0)
assert check.get_status() == [False, False, True]
cid = check.on_clicked(lambda: None)
check.disconnect(cid)
def test_ellipse():
"""For ellipse, test out the key modifiers"""
ax = get_ax()
def onselect(epress, erelease):
pass
tool = widgets.EllipseSelector(ax, onselect=onselect,
grab_range=10, interactive=True)
tool.extents = (100, 150, 100, 150)
# drag the rectangle
do_event(tool, 'press', xdata=10, ydata=10, button=1,
key=' ')
do_event(tool, 'onmove', xdata=30, ydata=30, button=1)
do_event(tool, 'release', xdata=30, ydata=30, button=1)
assert tool.extents == (120, 170, 120, 170)
# create from center
do_event(tool, 'on_key_press', xdata=100, ydata=100, button=1,
key='control')
do_event(tool, 'press', xdata=100, ydata=100, button=1)
do_event(tool, 'onmove', xdata=125, ydata=125, button=1)
do_event(tool, 'release', xdata=125, ydata=125, button=1)
do_event(tool, 'on_key_release', xdata=100, ydata=100, button=1,
key='control')
assert tool.extents == (75, 125, 75, 125)
# create a square
do_event(tool, 'on_key_press', xdata=10, ydata=10, button=1,
key='shift')
do_event(tool, 'press', xdata=10, ydata=10, button=1)
do_event(tool, 'onmove', xdata=35, ydata=30, button=1)
do_event(tool, 'release', xdata=35, ydata=30, button=1)
do_event(tool, 'on_key_release', xdata=10, ydata=10, button=1,
key='shift')
extents = [int(e) for e in tool.extents]
assert extents == [10, 35, 10, 34]
# create a square from center
do_event(tool, 'on_key_press', xdata=100, ydata=100, button=1,
key='ctrl+shift')
do_event(tool, 'press', xdata=100, ydata=100, button=1)
do_event(tool, 'onmove', xdata=125, ydata=130, button=1)
do_event(tool, 'release', xdata=125, ydata=130, button=1)
do_event(tool, 'on_key_release', xdata=100, ydata=100, button=1,
key='ctrl+shift')
extents = [int(e) for e in tool.extents]
assert extents == [70, 129, 70, 130]
assert tool.geometry.shape == (2, 73)
assert_allclose(tool.geometry[:, 0], [70., 100])
def check_lasso_selector(**kwargs):
ax = get_ax()
def onselect(verts):
ax._got_onselect = True
assert verts == [(100, 100), (125, 125), (150, 150)]
tool = widgets.LassoSelector(ax, onselect, **kwargs)
do_event(tool, 'press', xdata=100, ydata=100, button=1)
do_event(tool, 'onmove', xdata=125, ydata=125, button=1)
do_event(tool, 'release', xdata=150, ydata=150, button=1)
assert ax._got_onselect
def test_selector_clear(selector):
ax = get_ax()
def onselect(*args):
pass
kwargs = dict(ax=ax, onselect=onselect, interactive=True)
if selector == 'span':
Selector = widgets.SpanSelector
kwargs['direction'] = 'horizontal'
else:
Selector = widgets.RectangleSelector
tool = Selector(**kwargs)
do_event(tool, 'press', xdata=10, ydata=10, button=1)
do_event(tool, 'onmove', xdata=100, ydata=120, button=1)
do_event(tool, 'release', xdata=100, ydata=120, button=1)
# press-release event outside the selector to clear the selector
do_event(tool, 'press', xdata=130, ydata=130, button=1)
do_event(tool, 'release', xdata=130, ydata=130, button=1)
assert not tool._selection_completed
ax = get_ax()
kwargs['ignore_event_outside'] = True
tool = Selector(**kwargs)
assert tool.ignore_event_outside
do_event(tool, 'press', xdata=10, ydata=10, button=1)
do_event(tool, 'onmove', xdata=100, ydata=120, button=1)
do_event(tool, 'release', xdata=100, ydata=120, button=1)
# press-release event outside the selector ignored
do_event(tool, 'press', xdata=130, ydata=130, button=1)
do_event(tool, 'release', xdata=130, ydata=130, button=1)
assert tool._selection_completed
do_event(tool, 'on_key_press', key='escape')
assert not tool._selection_completed
def test_rectange_add_remove_set():
ax = get_ax()
def onselect(epress, erelease):
pass
tool = widgets.RectangleSelector(ax, onselect=onselect, interactive=True)
# Draw rectangle
click_and_drag(tool, start=(100, 100), end=(130, 140))
assert tool.extents == (100, 130, 100, 140)
assert len(tool._state) == 0
for state in ['rotate', 'square', 'center']:
tool.add_state(state)
assert len(tool._state) == 1
tool.remove_state(state)
assert len(tool._state) == 0
def test_span_selector_add_state():
ax = get_ax()
def onselect(*args):
pass
tool = widgets.SpanSelector(ax, onselect, 'horizontal', interactive=True)
with pytest.raises(ValueError):
tool.add_state('unsupported_state')
with pytest.raises(ValueError):
tool.add_state('center')
with pytest.raises(ValueError):
tool.add_state('square')
tool.add_state('move')
def test_rectangle_handles():
ax = get_ax()
def onselect(epress, erelease):
pass
tool = widgets.RectangleSelector(ax,
onselect=onselect,
maxdist=10,
interactive=True,
marker_props={
'markerfacecolor': 'r',
'markeredgecolor': 'b'
})
tool.extents = (100, 150, 100, 150)
assert tool.corners == ((100, 150, 150, 100), (100, 100, 150, 150))
assert tool.extents == (100, 150, 100, 150)
assert tool.edge_centers == ((100, 125.0, 150, 125.0), (125.0, 100, 125.0,
150))
assert tool.extents == (100, 150, 100, 150)
# grab a corner and move it
do_event(tool, 'press', xdata=100, ydata=100)
do_event(tool, 'onmove', xdata=120, ydata=120)
do_event(tool, 'release', xdata=120, ydata=120)
assert tool.extents == (120, 150, 120, 150)
# grab the center and move it
do_event(tool, 'press', xdata=132, ydata=132)
do_event(tool, 'onmove', xdata=120, ydata=120)
do_event(tool, 'release', xdata=120, ydata=120)
assert tool.extents == (108, 138, 108, 138)
# create a new rectangle
do_event(tool, 'press', xdata=10, ydata=10)
do_event(tool, 'onmove', xdata=100, ydata=100)
do_event(tool, 'release', xdata=100, ydata=100)
assert tool.extents == (10, 100, 10, 100)
# Check that marker_props worked.
assert mcolors.same_color(
tool._corner_handles.artist.get_markerfacecolor(), 'r')
assert mcolors.same_color(
tool._corner_handles.artist.get_markeredgecolor(), 'b')
def test_span_selector_onselect(interactive):
# check when press and release events take place at the same position
ax = get_ax()
def onselect(vmin, vmax):
ax._got_onselect = True
tool = widgets.SpanSelector(ax, onselect, 'horizontal',
interactive=interactive)
# move outside of axis
click_and_drag(tool, start=(100, 100), end=(150, 100))
assert tool.ax._got_onselect
assert tool.extents == (100, 150)
# Reset tool.ax._got_onselect
tool.ax._got_onselect = False
click_and_drag(tool, start=(10, 100), end=(10, 100))
assert tool.ax._got_onselect
def test_rectangle_add_state():
ax = get_ax()
def onselect(epress, erelease):
pass
tool = widgets.RectangleSelector(ax, onselect, interactive=True)
# Create rectangle
click_and_drag(tool, start=(70, 65), end=(125, 130))
with pytest.raises(ValueError):
tool.add_state('unsupported_state')
with pytest.raises(ValueError):
tool.add_state('clear')
tool.add_state('move')
tool.add_state('square')
tool.add_state('center')
def test_span_selector_direction():
ax = get_ax()
def onselect(*args):
pass
tool = widgets.SpanSelector(ax, onselect, 'horizontal', interactive=True)
assert tool.direction == 'horizontal'
assert tool._edge_handles.direction == 'horizontal'
with pytest.raises(ValueError):
tool = widgets.SpanSelector(ax, onselect, 'invalid_direction')
tool.direction = 'vertical'
assert tool.direction == 'vertical'
assert tool._edge_handles.direction == 'vertical'
with pytest.raises(ValueError):
tool.direction = 'invalid_string'
