Restore selected tag from config on startup

closes #551

GTG/gtk/application.py

@@ -237,6 +237,7 @@ def init_browser(self):
         # Browser (still hidden)
         if not self.browser:
             self.browser = MainWindow(self)
+            self.browser.restore_tag_selection()
 
             if self.props.application_id == 'org.gnome.GTG.Devel':
                 self.browser.add_css_class('devel')

GTG/gtk/browser/main_window.py

@@ -547,6 +547,21 @@ def restore_collapsed_tasks(self, tasks=None):
             except IndexError:
                 print(f"Invalid liblarch path {path}")
 
+
+    def restore_tag_selection(self) -> None:
+        """Restore tag selection from config."""
+
+        # NOTE: This needs to run after MainWindow has been initialized
+        # otherwise tag filtering will throw an error
+
+        selected_tag = self.config.get('selected_tag')
+
+        if not selected_tag:
+            return
+
+        self.sidebar.select_tag(selected_tag)
+
+
     def restore_state_from_conf(self):
         # NOTE: for the window state to be restored, this must
         # be called **before** the window is realized. The size
@@ -582,6 +597,7 @@ def restore_state_from_conf(self):
 
         self.set_sorter(sort_mode.capitalize())
 
+
         # Callbacks for sorting and restoring previous state
         # model = self.vtree_panes['active'].get_model()
         # model.connect('sort-column-changed', self.on_sort_column_changed)