editor_did_init

That would be useful to add elements in the editor, such as in multi
column editor

qt/aqt/editor.py

@@ -83,6 +83,7 @@ class Editor:
         self.setupWeb()
         self.setupShortcuts()
         self.setupTags()
+        gui_hooks.editor_did_init(self)
 
     # Initial setup
     ############################################################

qt/aqt/gui_hooks.py

@@ -1028,6 +1028,30 @@ class _EditorDidFocusFieldHook:
 editor_did_focus_field = _EditorDidFocusFieldHook()
 
 
+class _EditorDidInitHook:
+    _hooks: List[Callable[["aqt.editor.Editor"], None]] = []
+
+    def append(self, cb: Callable[["aqt.editor.Editor"], None]) -> None:
+        """(editor: aqt.editor.Editor)"""
+        self._hooks.append(cb)
+
+    def remove(self, cb: Callable[["aqt.editor.Editor"], None]) -> None:
+        if cb in self._hooks:
+            self._hooks.remove(cb)
+
+    def __call__(self, editor: aqt.editor.Editor) -> None:
+        for hook in self._hooks:
+            try:
+                hook(editor)
+            except:
+                # if the hook fails, remove it
+                self._hooks.remove(hook)
+                raise
+
+
+editor_did_init = _EditorDidInitHook()
+
+
 class _EditorDidInitButtonsHook:
     _hooks: List[Callable[[List, "aqt.editor.Editor"], None]] = []
 

qt/tools/genhooks_gui.py

@@ -497,6 +497,7 @@ def emptyNewCard():
         name="editor_web_view_did_init",
         args=["editor_web_view: aqt.editor.EditorWebView"],
     ),
+    Hook(name="editor_did_init", args=["editor: aqt.editor.Editor"],),
     # Sound/video
     ###################
     Hook(name="av_player_will_play", args=["tag: anki.sound.AVTag"]),