95 lines
2.6 KiB
Python
95 lines
2.6 KiB
Python
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'''
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Example of a list with two lines per row.
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'''
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import gi
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gi.require_version("Gtk", "4.0")
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from gi.repository import Gtk, Gio, GObject, GLib
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# content list to add to the listview
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content = (
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('Into the New', 'Angus Guild'),
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('Now to the Sea', 'Anne Toner'),
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('Sleeping Gypsy', 'Ralph Bennett-Eades'),
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('Angels in Silence', 'The Wastrels'),
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('Deeply in Love', 'Duo Montagne'),
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('No Bridges', 'Martin Way')
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)
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class DataObject(GObject.GObject):
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'''
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object to hold the data for each row
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'''
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def __init__(self, text: str):
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super().__init__()
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self.text = text
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class AppWindow(Gtk.ApplicationWindow):
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def __init__(self, app):
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super(AppWindow, self).__init__(application=app)
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self.init_ui()
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def init_ui(self):
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self.title="Double List"
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GLib.set_prgname (
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'Adwaita Examples by Afacanc38'
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)
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GLib.set_application_name (
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'Adwaita ListBox'
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)
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self.set_default_size (650, 500)
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self.default_height=400
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self.default_width=400
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self.scroll = Gtk.ScrolledWindow ()
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self.scroll.set_policy (Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
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listview = Gtk.ListView()
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factory = Gtk.SignalListItemFactory()
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factory.connect("setup", self.setup)
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factory.connect("bind", self.bind)
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listview.set_factory(factory)
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self.scroll.set_child (
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listview
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)
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selection = Gtk.SingleSelection()
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store = Gio.ListStore.new(DataObject)
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selection.set_model(store)
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listview.set_model(selection)
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#add rows to the listview from the content list
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for row in content:
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line1, line2 = row
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item = line1 + '\n' + line2
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store.append(DataObject(item))
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self.set_child(self.scroll)
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def setup(self, widget, item):
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"""Setup the widget (Gtk.ListItem) to show in the Gtk.ListView"""
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label = Gtk.Label(
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margin_top = 2,
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margin_start = 8,
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margin_end = 8,
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halign = Gtk.Align.START
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)
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item.set_child(label)
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def bind(self, widget, item):
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"""bind data (Gtk.ListItem) from the store object to the widget"""
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label = item.get_child()
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obj = item.get_item()
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label.set_label(obj.text)
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def on_activate(app):
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win = AppWindow(app)
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win.present()
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app = Gtk.Application(application_id='com.example.doublelist')
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app.connect('activate', on_activate)
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app.run(None)
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