icons can now be assigned to categories

modules/exampleplug.yml

-- name: "Example"
+- name: "Gnome"
+  icon: preferences-desktop-display-symbolic
   weight: 30
   sections:
     - name: Themes
@@ -62,6 +63,7 @@
           backend: gsettings
           key: org.gnome.desktop.interface.enable-animations
 - name: "Fonts"
+  icon: font-x-generic-symbolic
   weight: 1
   sections:
     - name: Main
@@ -101,117 +103,26 @@
             lower: 0.5
             step: 0.01
             digits: 2
-- name: "Example2"
-  weight: 30
-  sections:
-    - name: Themes2
-      type: classic
-      weight: 0
-      settings:
-        - name: IconTheme
-          type: entry
-          gtype: string
-          backend: gsettings
-          key: org.gnome.desktop.interface.icon-theme
-        - name: Style
-          type: choice
-          gtype: string
-          help: Prefer dark or light for Adwaita applications
-          backend: gsettings
-          key: org.gnome.desktop.interface.color-scheme
-          default: "default"
-          map:
-            Default: default
-            Light: prefer-light
-            Dark: prefer-dark
-    - name: Clock
-      weight: 10
-      settings:
-        - name: Weekday
-          type: boolean
-          gtype: boolean
-          backend: gsettings
-          key: org.gnome.desktop.interface.clock-show-weekday
-        - name: Date
-          type: boolean
-          gtype: boolean
-          backend: gsettings
-          key: org.gnome.desktop.interface.clock-show-date
-        - name: Seconds
-          type: boolean
-          gtype: boolean
-          backend: gsettings
-          key: org.gnome.desktop.interface.clock-show-seconds
-    - name: Battery
-      weight: 10
-      settings:
-        - name: Show percentage
-          type: boolean
-          gtype: boolean
-          backend: gsettings
-          key: org.gnome.desktop.interface.show-battery-percentage
-    - name: Performance
-      weight: 20
-      settings:
-        - name: Animations
-          help: Animations can be disabled for performance
-          type: boolean
-          gtype: boolean
-          backend: gsettings
-          key: org.gnome.desktop.interface.enable-animations
-- name: "ThemeSwitcher"
+- name: "GRUB"
+  icon: system-reboot-symbolic
   weight: 25
   sections:
-    - name: Themes
+    - name: Main
       type: classic
       weight: 0
       settings:
-        - name: KV Light Theme
-          type: entry
-          gtype: string
-          backend: file
-          key: KV_LIGHT_THEME
-          help: Select the Kvantum light theme
-          default: KvLibadwaita
-          params:
-            file_path: "~/.config/ximper-unified-theme-switcher/themes"
-        - name: KV Dark Theme
-          type: entry
-          gtype: string
-          backend: file
-          key: KV_DARK_THEME
-          help: Select the Kvantum dark theme
-          default: KvLibadwaitaDark
-          params:
-            file_path: "~/.config/ximper-unified-theme-switcher/themes"
-        - name: GTK3 Light Theme
-          type: entry
-          gtype: string
-          backend: file
-          key: GTK3_LIGHT_THEME
-          help: Select the GTK3 light theme
-          default: adw-gtk3
-          params:
-            file_path: "~/.config/ximper-unified-theme-switcher/themes"
-        - name: GTK3 Dark Theme
-          type: entry
-          gtype: string
+        - name: Timeout
+          root: true
+          type: number
+          gtype: i
           backend: file
-          key: GTK3_DARK_THEME
-          help: Select the GTK3 dark theme
-          default: adw-gtk3-dark
+          key: GRUB_TIMEOUT
+          help: Select the GRUB2 timeout
           params:
-            file_path: "~/.config/ximper-unified-theme-switcher/themes"
-        - name: Current Theme
-          type: choice
-          gtype: string
-          backend: file
-          key: CURRENT_THEME
-          help: Define the current theme preference
-          default: "prefer-dark"
+            file_path: "/etc/sysconfig/grub2"
+          default: 5
           map:
-            Prefer Dark: prefer-dark
-            Prefer Light: prefer-light
-            Default: default
-          params:
-            file_path: "~/.config/ximper-unified-theme-switcher/themes"
+            upper: 999
+            lower: 0
+            step: 1
+            digits: 0

src/settings/main.py

@@ -188,10 +188,11 @@ class SectionFactory:
 class Category:
     def __init__(self, category_data, section_factory: SectionFactory):
         self.name = category_data['name']
+        self.icon_name = category_data.get('icon', 'preferences-system')
         self.weight = category_data.get('weight', 0)
         self.sections = [section_factory.create_section(s) for s in category_data.get('sections', [])]
 
-    def create_stack_page(self, stack):
+    def create_stack_page(self, stack, listbox):
         box = Gtk.ScrolledWindow()
         pref_page = Adw.PreferencesPage()
         clamp = Adw.Clamp()
@@ -212,6 +213,12 @@ class Category:
             stack_page = stack.add_child(box)
             stack_page.set_title(self.name)
             stack_page.set_name(self.name)
+
+            row = TuneItPanelRow()
+            row.set_name(self.name)
+            row.set_title(self.name)
+            row.icon_name = self.icon_name
+            listbox.append(row)
         else:
             print(f"the category {self.name} is empty, ignored")
 
@@ -232,22 +239,11 @@ def init_settings_stack(stack, listbox, split_view):
     categories = [Category(c, section_factory) for c in merged_data]
 
     for category in categories:
-        category.create_stack_page(stack)
+        category.create_stack_page(stack, listbox)
+
     if not stack:
         print("Ошибка: settings_pagestack не найден.")
 
-    def populate_listbox_from_stack():
-        pages = stack.get_pages()
-        for i in range(pages.get_n_items()):
-            page = pages.get_item(i)
-
-            row = TuneItPanelRow()
-            row.set_name(page.get_name())
-            row.set_title(page.get_title())
-            row.icon_name = "preferences-system"
-
-            listbox.append(row)
-
     def on_row_selected(listbox, row):
         if row:
             page_id = row.get_name()
@@ -259,4 +255,3 @@ def init_settings_stack(stack, listbox, split_view):
                 split_view.set_show_content(True)
 
     listbox.connect("row-selected", on_row_selected)
-    populate_listbox_from_stack()