def cursor_change(w: Gtk.Widget, evt: Gdk.EventCrossing):
cursor = None
if evt.get_event_type() == Gdk.EventType.ENTER_NOTIFY:
cursor = Gdk.Cursor.new_from_name(w.get_display(), "pointer")
elif evt.get_event_type() == Gdk.EventType.LEAVE_NOTIFY:
cursor = Gdk.Cursor.new_from_name(w.get_display(), "default")
if cursor:
w.get_window().set_cursor(cursor)
def get_surface_for_pixbuf(widget: Gtk.Widget, pixbuf: Optional[GdkPixbuf.Pixbuf])\
-> Optional[cairo.Surface]:
""":returns: a cairo surface, if possible"""
if not pixbuf:
return None
scale_factor = widget.get_scale_factor()
return Gdk.cairo_surface_create_from_pixbuf(pixbuf, scale_factor,
widget.get_window())
def on__leave_notify_event__pointer(self, w: Gtk.Widget, evt: Gdk.EventCrossing):
w.get_window().set_cursor(Gdk.Cursor.new_from_name(w.get_display(), 'default'))
