Merge pull request #24625 from tacaswell/auto-backport-of-pr-24606-on-v3.6.x

oscargus · web-flow · commit 9b1413df9416 · 2022-12-05T22:10:08.000+01:00
Backport PR #24606: FIX: do not use deprecated API in gtk4 backend
diff --git a/lib/matplotlib/backends/backend_gtk4.py b/lib/matplotlib/backends/backend_gtk4.py
@@ -6,7 +6,8 @@
 from matplotlib import _api, backend_tools, cbook
 from matplotlib.backend_bases import (
     FigureCanvasBase, ToolContainerBase,
-    KeyEvent, LocationEvent, MouseEvent, ResizeEvent)
+    KeyEvent, LocationEvent, MouseEvent, ResizeEvent,
+    CloseEvent)
 
 try:
     import gi
@@ -81,7 +82,7 @@ def __init__(self, figure=None):
         style_ctx.add_class("matplotlib-canvas")
 
     def destroy(self):
-        self.close_event()
+        CloseEvent("close_event", self)._process()
 
     def set_cursor(self, cursor):
         # docstring inherited
