diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
index 9c2ba63901fd..616b89401da2 100644
--- a/lib/matplotlib/axes/_base.py
+++ b/lib/matplotlib/axes/_base.py
@@ -1298,6 +1298,9 @@ def __clear(self):
self.child_axes = []
self._current_image = None # strictly for pyplot via _sci, _gci
self._projection_init = None # strictly for pyplot.subplot
+
+ if hasattr(self, "legend_") and self.legend_ is not None:
+ self.legend_.axes = self.legend_.figure = None
self.legend_ = None
self.containers = []
diff --git a/lib/matplotlib/offsetbox.py b/lib/matplotlib/offsetbox.py
index 13af941552be..fc5567738502 100644
--- a/lib/matplotlib/offsetbox.py
+++ b/lib/matplotlib/offsetbox.py
@@ -32,6 +32,7 @@
import matplotlib.path as mpath
import matplotlib.text as mtext
import matplotlib.transforms as mtransforms
+from matplotlib.backend_tools import Cursors
from matplotlib.font_manager import FontProperties
from matplotlib.image import BboxImage
from matplotlib.patches import (
@@ -1489,6 +1490,7 @@ def __init__(self, ref_artist, use_blit=False):
if not ref_artist.pickable():
ref_artist.set_picker(True)
self.got_artist = False
+ self._hover = False
self._use_blit = use_blit and self.canvas.supports_blit
callbacks = ref_artist.figure._canvas_callbacks
self._disconnectors = [
@@ -1508,7 +1510,33 @@ def __init__(self, ref_artist, use_blit=False):
disconnect.args[0] for disconnect in self._disconnectors[:2]])
def on_motion(self, evt):
- if self._check_still_parented() and self.got_artist:
+ # Only check if the widget lock is available, setting it would prevent
+ # picking.
+ if not (
+ self._check_still_parented()
+ and self.canvas.widgetlock.available(self)
+ and self.ref_artist.pickable()
+ ):
+ return
+
+ picker = self.ref_artist.get_picker()
+ if callable(picker):
+ inside, _ = picker(self, evt)
+ else:
+ inside, _ = self.ref_artist.contains(evt)
+
+ # If the mouse is moving quickly while dragging, it may leave the artist,
+ # but should still use the move cursor.
+ if inside or self.got_artist:
+ self._hover = True
+ self.canvas.set_cursor(Cursors.MOVE)
+ elif self._hover:
+ # Only change the cursor back if this is the widget that set it, to
+ # avoid multiple draggable widgets fighting over the cursor.
+ self._hover = False
+ self.canvas.set_cursor(Cursors.POINTER)
+
+ if self.got_artist:
dx = evt.x - self.mouse_x
dy = evt.y - self.mouse_y
self.update_offset(dx, dy)
@@ -1554,6 +1582,10 @@ def disconnect(self):
for disconnector in self._disconnectors:
disconnector()
+ if self._hover:
+ self._hover = False
+ self.canvas.set_cursor(Cursors.POINTER)
+
def save_offset(self):
pass
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index 79c67a208364..faef3bd5a877 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -8644,13 +8644,19 @@ def test_extent_units():
def test_cla_clears_children_axes_and_fig():
fig, ax = plt.subplots()
- lines = ax.plot([], [], [], [])
+
+ lines = ax.plot([], [], [], [], label="line")
img = ax.imshow([[1]])
- for art in lines + [img]:
+ legend = ax.legend()
+
+ children = [*lines, img, legend]
+
+ for art in children:
assert art.axes is ax
assert art.figure is fig
+
ax.clear()
- for art in lines + [img]:
+ for art in children:
assert art.axes is None
assert art.figure is None
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