List View: Port to python (#208)

Author: Nokse22

src/List View/main.py

@@ -0,0 +1,51 @@
+import gi
+
+gi.require_version("Gtk", "4.0")
+gi.require_version("Adw", "1")
+from gi.repository import Gtk
+import workbench
+
+list_view = workbench.builder.get_object("list_view")
+add = workbench.builder.get_object("add")
+remove = workbench.builder.get_object("remove")
+
+string_model = Gtk.StringList.new(
+    ["Default Item 1", "Default Item 2", "Default Item 3"]
+)
+
+item = 1
+
+model = Gtk.SingleSelection(model=string_model)
+
+
+def on_item_changed(_list, position, removed, added):
+    print(
+        f"position: {position}, Item removed? {removed != 0}, Item added? {added != 0}"
+    )
+
+
+def on_selection_changed(*_):
+    selected_item = model.get_selected()
+    print(f"Model item selected from view: {string_model.get_string(selected_item)}")
+
+
+string_model.connect("items-changed", on_item_changed)
+model.connect("selection-changed", on_selection_changed)
+
+list_view.set_model(model)
+
+
+def on_add_clicked(*_):
+    global item
+    new_item = f"New item {item}"
+    string_model.append(new_item)
+    item += 1
+
+
+def on_remove_clicked(*_):
+    selected_item = model.get_selected()
+    string_model.remove(selected_item)
+
+
+add.connect("clicked", on_add_clicked)
+remove.connect("clicked", on_remove_clicked)