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Fix cursor with toolmanager on GTK3. #20273

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Merged
timhoffm merged 1 commit into from
May 23, 2021
+13 −13
Merged

Fix cursor with toolmanager on GTK3. #20273

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26 changes: 13 additions & 13 deletions lib/matplotlib/backends/backend_gtk3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,18 @@
cursord = {} # deprecated in Matplotlib 3.5.


@functools.lru_cache()
def _mpl_to_gtk_cursor(mpl_cursor):
name = {
cursors.MOVE: "move",
cursors.HAND: "pointer",
cursors.POINTER: "default",
cursors.SELECT_REGION: "crosshair",
cursors.WAIT: "wait",
}[mpl_cursor]
return Gdk.Cursor.new_from_name(Gdk.Display.get_default(), name)


class TimerGTK3(TimerBase):
"""Subclass of `.TimerBase` using GTK3 timer events."""

Expand Down Expand Up @@ -484,22 +496,10 @@ def set_message(self, s):
escaped = GLib.markup_escape_text(s)
self.message.set_markup(f'<small>{escaped}</small>')

@staticmethod
@functools.lru_cache()
def _mpl_to_gtk_cursor(mpl_cursor):
name = {
cursors.MOVE: "move",
cursors.HAND: "pointer",
cursors.POINTER: "default",
cursors.SELECT_REGION: "crosshair",
cursors.WAIT: "wait",
}[mpl_cursor]
return Gdk.Cursor.new_from_name(Gdk.Display.get_default(), name)

def set_cursor(self, cursor):
window = self.canvas.get_property("window")
if window is not None:
window.set_cursor(self._mpl_to_gtk_cursor(cursor))
window.set_cursor(_mpl_to_gtk_cursor(cursor))
Gtk.main_iteration()

def draw_rubberband(self, event, x0, y0, x1, y1):
Expand Down