Add settings view with theme, categories, export, and backup

outlay-gtk/src/window.rs

@@ -7,6 +7,7 @@ use crate::charts_view::ChartsView;
 use crate::history_view::HistoryView;
 use crate::log_view::LogView;
 use crate::recurring_view::RecurringView;
+use crate::settings_view::SettingsView;
 
 pub struct MainWindow {
     pub window: adw::ApplicationWindow,
@@ -63,14 +64,9 @@ impl MainWindow {
         let recurring_view = RecurringView::new(db.clone());
         content_stack.add_named(&recurring_view.container, Some("recurring"));
 
-        // Settings placeholder
-        for item in &SIDEBAR_ITEMS[5..] {
-            let page = adw::StatusPage::builder()
-                .title(item.label)
-                .icon_name(item.icon)
-                .build();
-            content_stack.add_named(&page, Some(item.id));
-        }
+        // Settings view
+        let settings_view = SettingsView::new(db.clone(), app);
+        content_stack.add_named(&settings_view.container, Some("settings"));
 
         let sidebar_list = gtk::ListBox::new();
         sidebar_list.set_selection_mode(gtk::SelectionMode::Single);