Backport PR spyder-ide#22914: PR: Activate Open last closed shortcu…

…t in `EditorStack` (Editor)

spyder/plugins/editor/widgets/editorstack/editorstack.py

@@ -137,6 +137,11 @@ class EditorStack(QWidget, SpyderWidgetMixin):
     sig_trigger_run_action = Signal(str)
     sig_trigger_debugger_action = Signal(str)
 
+    sig_open_last_closed = Signal()
+    """
+    This signal requests that the last closed tab be re-opened.
+    """
+
     sig_codeeditor_created = Signal(object)
     """
     This signal is emitted when a codeeditor is created.
@@ -442,6 +447,7 @@ def register_shortcuts(self):
             ('Cycle to next file', lambda: self.tabs.tab_navigate(1)),
             ('New file', self.sig_new_file[()]),
             ('Open file', self.plugin_load[()]),
+            ('Open last closed', self.sig_open_last_closed),
             ('Save file', self.save),
             ('Save all', self.save_all),
             ('Save As', self.sig_save_as),

spyder/plugins/editor/widgets/main_widget.py

@@ -1612,6 +1612,7 @@ def register_editorstack(self, editorstack):
         editorstack.sig_open_file.connect(self.report_open_file)
         editorstack.sig_new_file.connect(lambda s: self.new(text=s))
         editorstack.sig_new_file[()].connect(self.new)
+        editorstack.sig_open_last_closed.connect(self.open_last_closed)
         editorstack.sig_close_file.connect(self.close_file_in_all_editorstacks)
         editorstack.sig_close_file.connect(self.remove_file_cursor_history)
         editorstack.file_saved.connect(self.file_saved_in_editorstack)