Introduce eaf-keyboard-quit, replacing Emacs keyboard-quit

This will be needed for PDF and also another upcoming PR

app/pdf-viewer/buffer.py

@@ -130,6 +130,12 @@ class AppBuffer(Buffer):
         self.buffer_widget.add_mark_jump_link_tips()
         self.buffer_widget.send_input_message("EAF PDF Viewer - Jump to Link: ", "jump_link")
 
+    def action_quit(self):
+        if self.buffer_widget.is_mark_search:
+            self.buffer_widget.cleanup_search()
+        if self.buffer_widget.is_mark_link:
+            self.buffer_widget.cleanup_links()
+
     def search_text(self):
         if self.buffer_widget.search_flag:
             self.buffer_widget.remove_marked_search_text()

core/buffer.py

@@ -239,6 +239,9 @@ class Buffer(QGraphicsScene):
     def handle_input_message(self, result_type, result_content):
         pass
 
+    def action_quit(self):
+        pass
+
     def cancel_input_message(self, result_type):
         pass
 

eaf.el

@@ -96,10 +96,11 @@
 
 (defvar eaf-mode-map*
   (let ((map (make-sparse-keymap)))
-    (define-key map (kbd "C-h m") 'eaf-describe-bindings)
-    (define-key map [remap describe-bindings] 'eaf-describe-bindings)
-    (define-key map (kbd "C-c b") 'eaf-open-bookmark)
-    (define-key map (vector 'remap 'self-insert-command) #'eaf-send-key)
+    (define-key map (kbd "C-g") #'eaf-keyboard-quit)
+    (define-key map (kbd "C-h m") #'eaf-describe-bindings)
+    (define-key map [remap describe-bindings] #'eaf-describe-bindings)
+    (define-key map (kbd "C-c b") #'eaf-open-bookmark)
+    (define-key map (vector 'remap #'self-insert-command) #'eaf-send-key)
     (dolist (single-key '("RET" "DEL" "TAB" "SPC" "<backtab>" "<home>" "<end>" "<left>" "<right>" "<up>" "<down>" "<prior>" "<next>"))
       (define-key map (kbd single-key) #'eaf-send-key))
     map)
@@ -642,6 +643,11 @@ to edit EAF keybindings!" fun fun)))
       (eaf-call "update_buffer_with_url" "app.org-previewer.buffer" (buffer-file-name) "")
       (message (format "export %s to html" (buffer-file-name))))))
 
+(defun eaf-keyboard-quit ()
+  "Similar to `keyboard-quit' but signals a ‘quit’ condition to EAF applications."
+  (interactive)
+  (eaf-call "action_quit" eaf--buffer-id))
+
 (defun eaf-send-key ()
   "Directly send key to EAF Python side."
   (interactive)

eaf.py

@@ -255,6 +255,12 @@ class EAF(dbus.service.Object):
                 self.message_to_emacs("Cannot call function: " + function_name)
                 return ""
 
+    @dbus.service.method(EAF_DBUS_NAME, in_signature="s", out_signature="")
+    def action_quit(self, buffer_id):
+        if buffer_id in self.buffer_dict:
+            self.buffer_dict[buffer_id].action_quit()
+        self.message_to_emacs("Quit")
+
     @dbus.service.method(EAF_DBUS_NAME, in_signature="ss", out_signature="")
     def send_key(self, buffer_id, event_string):
         # Send event to buffer when found match buffer.