main_window.py 文件源码

def __init__(self):
        self.placeholder_image = Gtk.Image.new_from_icon_name(
            Gtk.STOCK_NEW, Gtk.IconSize.DIALOG)
        self.new_feed_button = Gtk.Button("New Feed")

        self.new_feed_vbox = Gtk.Box(Gtk.Orientation.VERTICAL)
        self.new_feed_vbox.set_halign(Gtk.Align.CENTER)
        self.new_feed_vbox.set_valign(Gtk.Align.CENTER)
        _pack_widgets(self.new_feed_vbox,
                      self.placeholder_image,
                      self.new_feed_button)

        self._grid = Gtk.Grid()
        self._grid.set_row_homogeneous(True)
        self._grid.set_column_homogeneous(True)
        self._grid.attach(self.new_feed_vbox, 0, 0, 1, 1)
        self._grid.attach(Gtk.Label("FEED ELEMENT DEBUG1"), 1, 0, 1, 1)  # DEBUG
        self._grid.attach(Gtk.Label("FEED ELEMENT DEBUG2"), 0, 1, 1, 1)  # DEBUG
        self._grid.attach(Gtk.Label("FEED ELEMENT DEBUG3"), 1, 1, 1, 1)  # DEBUG
        self._grid.show_all()

        self.container = self._grid