StreamController · Core447 · Oct 27, 2024 · Oct 26, 2024
diff --git a/GtkHelper/SearchComboRow.py b/GtkHelper/SearchComboRow.py
@@ -0,0 +1,108 @@
+"""
+Author: t00m
+Year: 2022
+Link: https://discourse.gnome.org/t/example-of-gtk-dropdown-with-search-enabled-without-gtk-expression/12748
+
+Modified by: G4PLS
+
+Modified the Original code to fit the purpose of this application.
+"""
+
+import gi
+
+gi.require_version("Gtk", "4.0")
+gi.require_version("Adw", "1")
+from gi.repository import Gtk, Adw, Gio, GObject
+
+class SearchComboRowItem(GObject.Object):
+    __gtype_name__ = 'SearchComboRowItem'
+
+    def __init__(self, display_label):
+        super().__init__()
+        self._display_label = display_label
+
+    @GObject.Property
+    def display_label(self):
+        return self._display_label
+
+class SearchComboRow(Adw.PreferencesRow):
+    __gtype_name__ = "SearchComboRow"
+    __gsignals__ = {
+        'item-changed': (GObject.SignalFlags.RUN_FIRST, None, (ComboRowSearchItem,)),
+    }
+
+    def __init__(self, title: str, *args, **kwargs):
+        super().__init__(title=title, *args, **kwargs)
+        self.search_text = '' # Initial search text for widgets
+
+        # Setup DropDown for Widgets
+        ## Create model
+        self.model_widget = Gio.ListStore(item_type=ComboRowSearchItem)
+        self.sort_model_widget  = Gtk.SortListModel(model=self.model_widget) # FIXME: Gtk.Sorter?
+        self.filter_model_widget = Gtk.FilterListModel(model=self.sort_model_widget)
+        self.filter_widget = Gtk.CustomFilter.new(self._do_filter_widget_view, self.filter_model_widget)
+        self.filter_model_widget.set_filter(self.filter_widget)
+
+        ## Create factory
+        factory_widget = Gtk.SignalListItemFactory()
+        factory_widget.connect("setup", self._on_factory_widget_setup)
+        factory_widget.connect("bind", self._on_factory_widget_bind)
+
+        ## Create DropDown
+        self.dropdown = Gtk.DropDown(model=self.filter_model_widget, factory=factory_widget)
+        self.dropdown.set_enable_search(True)
+        self.dropdown.connect("notify::selected-item", self._on_selected_widget)
+
+        ## Get SearchEntry
+        search_entry_widget = self._get_search_entry_widget(self.dropdown)
+        search_entry_widget.connect('search-changed', self._on_search_widget_changed)
+
+        # Setup main window
+        self.main_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=12, hexpand=True, vexpand=False)
+        self.main_box.props.margin_start = 12
+        self.main_box.props.margin_end = 12
+        self.main_box.props.margin_top = 6
+        self.main_box.props.margin_bottom = 6
+
+        self.set_child(self.main_box)
+        self.label = Gtk.Label(label=title, hexpand=True, xalign=0)
+        self.main_box.append(self.label)
+        self.main_box.append(self.dropdown)
+
+    def _get_search_entry_widget(self, dropdown):
+        popover = dropdown.get_last_child()
+        box = popover.get_child()
+        box2 = box.get_first_child()
+        search_entry = box2.get_first_child() # Gtk.SearchEntry
+        return search_entry
+
+    def _on_factory_widget_setup(self, factory, list_item):
+        box = Gtk.Box(spacing=6, orientation=Gtk.Orientation.HORIZONTAL)
+        label = Gtk.Label()
+        box.append(label)
+        list_item.set_child(box)
+
+    def _on_factory_widget_bind(self, factory, list_item):
+        box = list_item.get_child()
+        label = box.get_first_child()
+        widget = list_item.get_item()
+        label.set_text(widget.display_label)
+
+    def _on_selected_widget(self, dropdown, data):
+        selection = dropdown.get_selected_item()
+
+        if selection:
+            self.emit("item-changed", selection)
+
+    def _on_search_widget_changed(self, search_entry):
+        self.search_text = search_entry.get_text()
+        self.filter_widget.changed(Gtk.FilterChange.DIFFERENT)
+
+    def _do_filter_widget_view(self, item, filter_list_model):
+        return self.search_text.upper() in item.display_label.upper()
+
+    def populate(self, list: list[ComboRowSearchItem]):
+        self.model_widget.remove_all()
+
+        for item in list:
+            self.model_widget.append(item)