init Avatar widget

src/settings/setting/widgets/AvatarWidget.py

+from gi.repository import Adw, Gtk, Gdk
+from gi.repository import Gio
+import os
+
+from .BaseWidget import BaseWidget
+
+
+class AvatarWidget(BaseWidget):
+    def create_row(self):
+
+        row = Adw.PreferencesRow(
+            activatable=False,
+            focusable=False
+        )
+
+        control_box = Gtk.Box(
+            spacing=6,
+            orientation=Gtk.Orientation.HORIZONTAL,
+            halign=Gtk.Align.CENTER,
+            hexpand=True,
+            margin_top=12,
+            margin_bottom=12,
+        )
+        
+        self.avatar = Adw.Avatar(
+            size=128,
+            text=None
+        )
+        
+        self.change_button = Gtk.Button(
+            icon_name="edit-symbolic",
+            valign=Gtk.Align.END,
+            halign=Gtk.Align.END,
+            margin_bottom=4,
+            margin_end=4,
+            tooltip_text="Change your avatar"
+        )
+        self.change_button.get_style_context().add_class("circular")
+        self.change_button.get_style_context().add_class("secondary")
+        self.change_button.connect("clicked", self._on_change_clicked)
+        
+        self.reset_button = Gtk.Button(
+            icon_name="user-trash-symbolic",
+            valign=Gtk.Align.START,
+            halign=Gtk.Align.END,
+            margin_top=4,
+            margin_end=4,
+            tooltip_text="Reset the avatar"
+        )
+        self.reset_button.get_style_context().add_class("circular")
+        self.reset_button.get_style_context().add_class("destructive-action")
+        self.reset_button.connect("clicked", self._on_reset_clicked)
+
+        self.reset_revealer = Gtk.Revealer(
+            transition_type=Gtk.RevealerTransitionType.CROSSFADE,
+            transition_duration=150,
+            child=self.reset_button,
+            reveal_child=False,
+            halign=Gtk.Align.END
+        )
+        
+        overlay = Gtk.Overlay()
+        overlay.set_child(self.avatar)
+        overlay.add_overlay(self.reset_revealer)
+        overlay.add_overlay(self.change_button)
+        
+        control_box.append(overlay)
+        row.set_child(control_box)
+        
+        self.update_display()
+        self._update_reset_visibility()
+
+        return row
+
+    def update_display(self):
+        current = self.setting._get_backend_value()
+
+        if current and isinstance(current, str) and current.startswith("file://"):
+            current = current[7:]
+            self.value_separated = True
+
+        if current and os.path.exists(current):
+            file = Gio.File.new_for_path(current)
+            
+            try:
+                texture = Gdk.Texture.new_from_file(file)
+                self.avatar.set_custom_image(texture)
+            except Exception as e:
+                self.avatar.set_custom_image(None)
+        else:
+            self.avatar.set_custom_image(None)
+
+        self._update_reset_visibility()
+
+    def _on_reset_clicked(self, button):
+        default_value = self.setting.default
+
+        if default_value is not None:
+            if isinstance(default_value, str) and default_value.startswith("file://"):
+                default_value = default_value[7:]
+
+            self.setting._set_backend_value(default_value)
+
+            self.update_display()
+
+            self._update_reset_visibility()
+
+    def _update_reset_visibility(self):
+        current_value = self.setting._get_backend_value()
+        default_value = self.setting.default
+
+
+        if isinstance(current_value, str) and current_value.startswith("file://"):
+            current_value = current_value[7:]
+
+        if current_value:
+            current_value = os.path.expanduser(current_value)
+            current_value = os.path.expandvars(current_value)
+
+        if default_value:
+            default_value = os.path.expanduser(default_value)
+            default_value = os.path.expandvars(default_value)
+
+        self.reset_revealer.set_reveal_child(
+            current_value != default_value if default_value is not None
+            else False
+        )
+
+    def _on_change_clicked(self, button):
+        dialog = Gtk.FileDialog()
+
+        # Настройка фильтров
+        if 'extensions' in self.setting.map:
+            filters = self._create_file_filters()
+            if filters.get_n_items() > 0:
+                dialog.set_filters(filters)
+                dialog.set_default_filter(filters.get_item(0))
+
+        try:
+            dialog.open(
+                parent=button.get_root(),
+                callback=self._on_file_selected
+            )
+        except Exception as e:
+            self.logger.error(f"File dialog error: {e}")
+
+    def _create_file_filters(self):
+        filters = Gio.ListStore.new(Gtk.FileFilter)
+        patterns = [p for p in self.setting.map.get('extensions', [])]
+
+        if patterns:
+            file_filter = Gtk.FileFilter()
+            file_filter.set_name("Supported files")
+            for pattern in patterns:
+                if pattern.startswith('.'):
+                    file_filter.add_suffix(pattern[1:])
+                else:
+                    file_filter.add_pattern(pattern)
+            filters.append(file_filter)
+
+        return filters
+
+    def _on_file_selected(self, dialog, result):
+        try:
+            file = dialog.open_finish(result)
+            if file:
+                self.setting._set_backend_value(file.get_path())
+
+                self.update_display()
+        except Exception as e:
+            self.logger.error(f"File selection error: {e}")

src/settings/setting/widgets/__init__.py

+from .AvatarWidget import AvatarWidget
 from .BooleanWidget import BooleanWidget
 from .ChoiceWidget import ChoiceWidget
 from .RadioChoiceWidget import RadioChoiceWidget
@@ -13,6 +14,7 @@ logger = logging.getLogger(f"{__name__}")
 
 class WidgetFactory:
     widget_map = {
+        'avatar': AvatarWidget,
         'file': FileChooser,
         'choice': ChoiceWidget,
         'choice_radio': RadioChoiceWidget,