feed.py 文件源码

def _build_audio_vbox(self):
        """
        """
        title = Gtk.Label("Audio Source")
        title.set_margin_top(6)

        self.mic_sources = Gtk.ComboBoxText()
        for source in self.pipeline.audio_sources:
            self.mic_sources.append_text(source.description)
            self.sources_list.append(source.description)
        self.mic_sources.connect("changed", self.on_input_change)
        self.mic_sources.set_margin_left(24)

        self.mute_checkbutton = Gtk.CheckButton("Mute (soon)")
        self.mute_checkbutton.connect("toggled", self.on_mute_toggle)
        self.mute_checkbutton.set_sensitive(False)

        self.output_sinks = Gtk.ComboBoxText()
        index = 0
        for description, device in self.pipeline.speaker_sinks.items():
            self.output_sinks.append_text(description)
            self.sinks_list.append(description)
            if device == self.pipeline.speaker_sink.get_property("device"):
                self.output_sinks.set_active(index)
            index += 1
        self.output_sinks.connect("changed", self.on_output_change)
        self.output_sinks.set_margin_left(24)

        self.audio_confirm_button = self._build_confirm_changes_button(
            callback=self.on_confirm_clicked)

        separator = Gtk.Separator(orientation=Gtk.Orientation.HORIZONTAL)
        separator.set_margin_top(6)

        vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
        vbox.set_margin_right(6)
        _pack_widgets(vbox,
                      title,
                      self.mic_sources,
                      self.mute_checkbutton,
                      self.output_sinks,
                      self.audio_confirm_button,
                      separator)
        self._make_scrolled_window(vbox)
        return vbox