feat: Check for unsaved changes on app destroyed event

biscuit/core/commands.py

@@ -90,6 +90,7 @@ def close_dir(self, *_) -> None:
         self.base.close_active_directory()
 
     def quit(self, *_) -> None:
+        self.base.on_close_app()
         self.base.destroy()
 
     def toggle_maximize(self, *_) -> None:

biscuit/core/gui.py

@@ -60,6 +60,8 @@ def setup_tk(self) -> None:
 
         self.setup_floating_widgets()
         self.setup_root()
+
+        self.protocol("WM_DELETE_WINDOW", self.on_close_app)
 
     def setup_root(self):
         # the very parent of all GUI parts
@@ -137,6 +139,9 @@ def on_gui_update(self, *_) -> None:
 
     def register_onfocus(self, fn) -> None:
         self.onfocus_callbacks.append(fn)
+
+    def on_close_app(self) -> None:
+        self.editorsmanager.delete_all_editors()
 
     def on_focus(self, *_) -> None:
         for fn in self.onfocus_callbacks:

biscuit/core/layout/base/content/editors/__init__.py

@@ -74,19 +74,23 @@ def generate_actionsets(self) -> None:
 
     def add_default_editors(self) -> None:
         "Adds all default editors"
+
         self.add_editors(self.default_editors)
 
     def add_welcome(self) -> None:
         "Shows welcome tab"
+
         self.add_editor(Welcome(self))
 
     def add_editors(self, editors: list[Editor]) -> None:
         "Append <Editor>s to list. Create tabs for them."
+
         for editor in editors:
             self.add_editor(editor)
 
     def add_editor(self, editor: Union[Editor,BaseEditor]) -> Editor | BaseEditor:
         "Appends a editor to list. Create a tab."
+
         self.active_editors.append(editor)
         if editor.content:
             editor.content.create_buttons(self.editorsbar.container)
@@ -97,9 +101,12 @@ def add_editor(self, editor: Union[Editor,BaseEditor]) -> Editor | BaseEditor:
 
     def delete_all_editors(self) -> None:
         "Permanently delete all editors."
-        for editor in self.active_editors:
-            editor.destroy()
 
+        for tab in self.tabs.tabs:
+            if e := tab.editor:
+                self.tabs.save_unsaved_changes(e)
+                e.destroy()
+
         self.editorsbar.clear()
         self.tabs.clear_all_tabs()
         self.active_editors.clear()
@@ -108,6 +115,7 @@ def delete_all_editors(self) -> None:
 
     def reopen_active_editor(self) -> None:
         "Reopen the active editor"
+
         if self.active_editor and self.active_editor.exists:
             self.delete_editor(self.active_editor)
             self.update()

biscuit/core/layout/base/content/editors/tabs.py

@@ -32,17 +32,19 @@ def add_tab(self, editor: Editor) -> None:
 
     def close_active_tab(self) -> None:
         self.close_tab(self.active_tab)
+
+    def save_unsaved_changes(self, e) -> None:
+        if e.content and e.content.editable and e.content.unsaved_changes:
+            if askyesno(f"Unsaved changes", f"Do you want to save the changes you made to {e.filename}"):
+                if e.exists:
+                    e.save()
+                else:
+                    self.base.commands.save_as()
+                print(f"Saved changes to {e.path}.")
 
     def close_tab(self, tab: Tab) -> None:
         if e := tab.editor:
-            # checking if its a text editor
-            if e.content and e.content.editable and e.content.unsaved_changes:
-                if askyesno(f"Unsaved changes", f"Do you want to save the changes you made to {tab.editor.filename}"):
-                    if e.exists:
-                        e.save()
-                    else:
-                        self.base.commands.save_as()
-                    print(f"Saved changes to {e.path}.")
+            self.save_unsaved_changes(e)
 
         try:
             i = self.tabs.index(tab)