Library: Port 'Toasts' to Python

src/Library/demos/Toasts/main.py

@@ -0,0 +1,52 @@
+import gi
+
+gi.require_version("Gtk", "4.0")
+gi.require_version("Adw", "1")
+from gi.repository import Gtk, GLib, Gio, Adw
+import workbench
+
+overlay: Adw.ToastOverlay = workbench.builder.get_object("overlay")
+
+button_simple: Gtk.Button = workbench.builder.get_object("button_simple")
+
+
+def simple(_):
+    toast = Adw.Toast(
+        title="Toasts are delicious!",
+        timeout=1,
+    )
+    toast.connect("dismissed", lambda _: button_simple.set_sensitive(True))
+    overlay.add_toast(toast)
+    button_simple.set_sensitive(False)
+
+
+button_simple.connect("clicked", simple)
+
+
+def advanced(_):
+    message_id = "42"
+    toast = Adw.Toast(
+        title="Message sent",
+        button_label="Undo",
+        action_name="win.undo",
+        action_target=GLib.Variant.new_string(message_id),
+        priority=Adw.ToastPriority.HIGH,
+    )
+    overlay.add_toast(toast)
+
+
+workbench.builder.get_object("button_advanced").connect("clicked", advanced)
+
+action_console = Gio.SimpleAction(
+    name="undo",
+    parameter_type=GLib.VariantType("s"),
+)
+
+
+def on_activate(_self, target):
+    value = target.unpack()
+    print(f"undo ${value}")
+
+
+action_console.connect("activate", on_activate)
+workbench.window.add_action(action_console)