library: Port Actions demo to Python (#717)

---------

Co-authored-by: Marco Capypara Köpcke <[email protected]>

Author: rolandlo

src/Library/demos/Actions/main.blp

@@ -162,6 +162,11 @@ Adw.StatusPage demo {
           uri: "https://gjs.guide/guides/gio/actions-and-menus.html";
         }
 
+        LinkButton {
+          label: _("PyGObjects Documentation");
+          uri: "https://pygobject.readthedocs.io";
+        }
+
         LinkButton {
           label: _("GTK Documentation");
           uri: "https://docs.gtk.org/gtk4/actions.html";

src/Library/demos/Actions/main.py

@@ -0,0 +1,78 @@
+import gi
+
+gi.require_version("Gtk", "4.0")
+gi.require_version("Adw", "1")
+from gi.repository import Gtk, Adw, GLib, Gio
+import workbench
+
+demo: Adw.StatusPage = workbench.builder.get_object("demo")
+
+demo_group = Gio.SimpleActionGroup()
+demo.insert_action_group("demo", demo_group)
+
+# Action with no state or parameters
+simple_action = Gio.SimpleAction(name="simple")
+
+simple_action.connect(
+    "activate",
+    lambda action, _: print(f"{action.get_name()} action activated"),
+)
+
+demo_group.add_action(simple_action)
+
+# Action with parameter
+bookmarks_action = Gio.SimpleAction(
+    name="open-bookmarks",
+    parameter_type=GLib.VariantType("s"),
+)
+
+bookmarks_action.connect(
+    "activate",
+    lambda action, parameter: print(
+        f"{action.get_name()} activated with {parameter.unpack()}"
+    ),
+)
+
+demo_group.add_action(bookmarks_action)
+
+# Action with state
+toggle_action = Gio.SimpleAction(
+    name="toggle",
+    # Boolean actions dont need parameters for activation
+    state=GLib.Variant.new_boolean(False),
+)
+
+toggle_action.connect(
+    "notify::state",
+    lambda action, _: print(
+        f"{action.get_name()} action set to {action.get_state().unpack()}"
+    ),
+)
+
+demo_group.add_action(toggle_action)
+
+# Action with state and parameter
+scale_action = Gio.SimpleAction(
+    name="scale",
+    state=GLib.Variant.new_string("100%"),
+    parameter_type=GLib.VariantType("s"),
+)
+
+scale_action.connect(
+    "notify::state",
+    lambda action, _: print(
+        f"{action.get_name()} action set to {action.get_state().unpack()}"
+    ),
+)
+
+demo_group.add_action(scale_action)
+
+text: Gtk.Label = workbench.builder.get_object("text")
+
+alignment_action = Gio.PropertyAction(
+    name="text-align",
+    object=text,
+    property_name="halign",
+)
+
+demo_group.add_action(alignment_action)

src/about.js

@@ -82,6 +82,7 @@ ${getBlueprintVersion()}
     "Onkar https://github.com/onkarrai06",
     "Sabrina Meindlhumer https://github.com/m-sabrina",
     "Urtsi Santsi <[email protected]>",
+    "Roland Lötscher https://github.com/rolandlo",
     // Add yourself as
     // "John Doe",
     // or