graph.py 文件源码

def graph_controls(self):
        modes = self.controller.get_modes()
        # setup mode radio buttons
        self.mode_buttons = []
        group = []
        for m in modes:
            rb = self.radio_button( group, m, self.on_mode_button )
            self.mode_buttons.append( rb )
        # setup animate button
        self.animate_button = self.button( "", self.on_animate_button)
        self.on_animate_button( self.animate_button )
        self.offset = 0
        self.animate_progress = self.progress_bar()
        animate_controls = urwid.GridFlow( [
            self.animate_button,
            self.button("Reset", self.on_reset_button),
            ], 9, 2, 0, 'center')

        if urwid.get_encoding_mode() == "utf8":
            unicode_checkbox = urwid.CheckBox(
                "Enable Unicode Graphics",
                on_state_change=self.on_unicode_checkbox)
        else:
            unicode_checkbox = urwid.Text(
                "UTF-8 encoding not detected")

        self.animate_progress_wrap = urwid.WidgetWrap(
            self.animate_progress)

        l = [    urwid.Text("Mode",align="center"),
            ] + self.mode_buttons + [
            urwid.Divider(),
            urwid.Text("Animation",align="center"),
            animate_controls,
            self.animate_progress_wrap,
            urwid.Divider(),
            urwid.LineBox( unicode_checkbox ),
            urwid.Divider(),
            self.button("Quit", self.exit_program ),
            ]
        w = urwid.ListBox(urwid.SimpleListWalker(l))
        return w