diff --git a/examples/event_handling/cursor_demo.py b/examples/event_handling/cursor_demo.py
index 96dacee09004..6c12d67ae6d4 100644
--- a/examples/event_handling/cursor_demo.py
+++ b/examples/event_handling/cursor_demo.py
@@ -28,6 +28,8 @@
import matplotlib.pyplot as plt
import numpy as np
+from matplotlib.backend_bases import MouseEvent
+
class Cursor:
"""
@@ -71,6 +73,11 @@ def on_mouse_move(self, event):
cursor = Cursor(ax)
fig.canvas.mpl_connect('motion_notify_event', cursor.on_mouse_move)
+# Simulate a mouse move to (0.5, 0.5), needed for online docs
+t = ax.transData
+MouseEvent(
+ "motion_notify_event", ax.figure.canvas, *t.transform((0.5, 0.5))
+)._process()
# %%
# Faster redrawing using blitting
@@ -85,6 +92,7 @@ def on_mouse_move(self, event):
# created whenever the figure changes. This is achieved by connecting to the
# ``'draw_event'``.
+
class BlittedCursor:
"""
A cross-hair cursor using blitting for faster redraw.
@@ -152,6 +160,11 @@ def on_mouse_move(self, event):
blitted_cursor = BlittedCursor(ax)
fig.canvas.mpl_connect('motion_notify_event', blitted_cursor.on_mouse_move)
+# Simulate a mouse move to (0.5, 0.5), needed for online docs
+t = ax.transData
+MouseEvent(
+ "motion_notify_event", ax.figure.canvas, *t.transform((0.5, 0.5))
+)._process()
# %%
# Snapping to data points
@@ -165,6 +178,7 @@ def on_mouse_move(self, event):
# the lag due to many redraws. Of course, blitting could still be added on top
# for additional speedup.
+
class SnappingCursor:
"""
A cross-hair cursor that snaps to the data point of a line, which is
@@ -218,4 +232,11 @@ def on_mouse_move(self, event):
line, = ax.plot(x, y, 'o')
snap_cursor = SnappingCursor(ax, line)
fig.canvas.mpl_connect('motion_notify_event', snap_cursor.on_mouse_move)
+
+# Simulate a mouse move to (0.5, 0.5), needed for online docs
+t = ax.transData
+MouseEvent(
+ "motion_notify_event", ax.figure.canvas, *t.transform((0.5, 0.5))
+)._process()
+
plt.show()
diff --git a/examples/widgets/annotated_cursor.py b/examples/widgets/annotated_cursor.py
index eabec859fecb..a10a010942e0 100644
--- a/examples/widgets/annotated_cursor.py
+++ b/examples/widgets/annotated_cursor.py
@@ -24,6 +24,8 @@
import numpy as np
import matplotlib.pyplot as plt
+from matplotlib.backend_bases import MouseEvent
+
class AnnotatedCursor(Cursor):
"""
@@ -312,6 +314,12 @@ def _update(self):
color='red',
linewidth=2)
+# Simulate a mouse move to (-2, 10), needed for online docs
+t = ax.transData
+MouseEvent(
+ "motion_notify_event", ax.figure.canvas, *t.transform((-2, 10))
+)._process()
+
plt.show()
# %%
@@ -339,4 +347,10 @@ def _update(self):
useblit=True,
color='red', linewidth=2)
+# Simulate a mouse move to (-2, 10), needed for online docs
+t = ax.transData
+MouseEvent(
+ "motion_notify_event", ax.figure.canvas, *t.transform((-2, 10))
+)._process()
+
plt.show()
diff --git a/lib/matplotlib/tests/test_widgets.py b/lib/matplotlib/tests/test_widgets.py
index 4f0bfb325b95..53fd95526ef9 100644
--- a/lib/matplotlib/tests/test_widgets.py
+++ b/lib/matplotlib/tests/test_widgets.py
@@ -1654,7 +1654,9 @@ def test_MultiCursor(horizOn, vertOn):
# Can't use `do_event` as that helper requires the widget
# to have a single .ax attribute.
event = mock_event(ax1, xdata=.5, ydata=.25)
- multi._onmove(event)
+ multi.onmove(event)
+ # force a draw + draw event to exercise clear
+ ax1.figure.canvas.draw()
# the lines in the first two ax should both move
for l in multi.vlines:
@@ -1671,7 +1673,7 @@ def test_MultiCursor(horizOn, vertOn):
multi.horizOn = not multi.horizOn
multi.vertOn = not multi.vertOn
event = mock_event(ax1, xdata=.5, ydata=.25)
- multi._onmove(event)
+ multi.onmove(event)
assert len([line for line in multi.vlines if line.get_visible()]) == (
0 if vertOn else 2)
assert len([line for line in multi.hlines if line.get_visible()]) == (
@@ -1680,7 +1682,7 @@ def test_MultiCursor(horizOn, vertOn):
# test a move event in an Axes not part of the MultiCursor
# the lines in ax1 and ax2 should not have moved.
event = mock_event(ax3, xdata=.75, ydata=.75)
- multi._onmove(event)
+ multi.onmove(event)
for l in multi.vlines:
assert l.get_xdata() == (.5, .5)
for l in multi.hlines:
diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
index 9668c0233d9f..6315450a1573 100644
--- a/lib/matplotlib/widgets.py
+++ b/lib/matplotlib/widgets.py
@@ -1953,8 +1953,8 @@ def __init__(self, ax, horizOn=True, vertOn=True, useblit=False,
**lineprops):
super().__init__(ax)
- self.connect_event('motion_notify_event', self._onmove)
- self.connect_event('draw_event', self._clear)
+ self.connect_event('motion_notify_event', self.onmove)
+ self.connect_event('draw_event', self.clear)
self.visible = True
self.horizOn = horizOn
@@ -1967,29 +1967,16 @@ def __init__(self, ax, horizOn=True, vertOn=True, useblit=False,
self.linev = ax.axvline(ax.get_xbound()[0], visible=False, **lineprops)
self.background = None
- self._needclear = False
-
- needclear = _api.deprecate_privatize_attribute("3.7")
+ self.needclear = False
- @_api.deprecated('3.7')
def clear(self, event):
- """Internal event handler to clear the cursor."""
- self._clear(event)
- if self.ignore(event):
- return
- self.linev.set_visible(False)
- self.lineh.set_visible(False)
-
- def _clear(self, event):
"""Internal event handler to clear the cursor."""
if self.ignore(event):
return
if self.useblit:
self.background = self.canvas.copy_from_bbox(self.ax.bbox)
- onmove = _api.deprecate_privatize_attribute('3.7')
-
- def _onmove(self, event):
+ def onmove(self, event):
"""Internal event handler to draw the cursor when the mouse moves."""
if self.ignore(event):
return
@@ -1999,11 +1986,11 @@ def _onmove(self, event):
self.linev.set_visible(False)
self.lineh.set_visible(False)
- if self._needclear:
+ if self.needclear:
self.canvas.draw()
- self._needclear = False
+ self.needclear = False
return
- self._needclear = True
+ self.needclear = True
self.linev.set_xdata((event.xdata, event.xdata))
self.linev.set_visible(self.visible and self.vertOn)
@@ -2106,8 +2093,8 @@ def connect(self):
"""Connect events."""
for canvas, info in self._canvas_infos.items():
info["cids"] = [
- canvas.mpl_connect('motion_notify_event', self._onmove),
- canvas.mpl_connect('draw_event', self._clear),
+ canvas.mpl_connect('motion_notify_event', self.onmove),
+ canvas.mpl_connect('draw_event', self.clear),
]
def disconnect(self):
@@ -2117,16 +2104,7 @@ def disconnect(self):
canvas.mpl_disconnect(cid)
info["cids"].clear()
- @_api.deprecated('3.7')
def clear(self, event):
- """Clear the cursor."""
- if self.ignore(event):
- return
- self._clear(event)
- for line in self.vlines + self.hlines:
- line.set_visible(False)
-
- def _clear(self, event):
"""Clear the cursor."""
if self.ignore(event):
return
@@ -2134,9 +2112,7 @@ def _clear(self, event):
for canvas, info in self._canvas_infos.items():
info["background"] = canvas.copy_from_bbox(canvas.figure.bbox)
- onmove = _api.deprecate_privatize_attribute('3.7')
-
- def _onmove(self, event):
+ def onmove(self, event):
if (self.ignore(event)
or event.inaxes not in self.axes
or not event.canvas.widgetlock.available(self)):
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