start in on proof of concept list view

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https://glyph.im/patrons/.

Author: glyph

src/pomodouroboros/linux/gtk_list_detail.py

@@ -0,0 +1,66 @@
+import gi  # type:ignore
+
+gi.require_version("GLib", "2.0")
+from gi.repository import GLib  # type:ignore
+from gi.repository import Gio, GObject
+
+gi.require_version("Gdk", "4.0")
+from gi.repository import Gdk
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk
+
+
+class MyThing(GObject.Object):
+    def __init__(self, aValue: int) -> None:
+        super().__init__()
+        self.aValue = aValue
+
+
+def on_activate(app: Gtk.Application) -> None:
+    print("creating application window")
+    win = Gtk.ApplicationWindow(application=app)
+    print("created")
+    box = Gtk.Box()
+
+    button = Gtk.Button()
+    button.set_label("hello world?")
+
+    button2 = Gtk.Button()
+    button2.set_label("goodbye world?")
+    lm = Gio.ListStore.new(MyThing)
+    lm.append(MyThing(7))
+    lm.append(MyThing(8))
+    lm.append(MyThing(9))
+    signalFactory = Gtk.SignalListItemFactory()
+
+    def onsetup(
+        factory: Gtk.SignalListItemFactory, item: Gtk.ListItem
+    ) -> None:
+        value = item.get_item().aValue
+        item.set_child(Gtk.Label.new(f"setup {value}"))
+
+    def onbind(factory: Gtk.SignalListItemFactory, item: Gtk.ListItem) -> None:
+        value = item.get_item().aValue
+        item.set_child(Gtk.Label.new(f"bind {value}"))
+
+    signalFactory.connect("setup", onsetup)
+    signalFactory.connect("bind", onbind)
+    lv = Gtk.ListView.new(Gtk.SingleSelection.new(lm), signalFactory)
+    box.append(button)
+    box.append(lv)
+    box.append(button2)
+    win.set_child(box)
+    win.present()
+    print("presented")
+
+
+if __name__ == "__main__":
+    # Create a new application
+    app = Gtk.Application(application_id="im.glyph.and.this.is.a.detail.view")
+    app.connect("activate", on_activate)
+
+    # Run the application
+    print("running?")
+    app.run()
+    print("goodbye?")