bigtext.py 文件源码

def setup_view(self):
        fonts = urwid.get_all_fonts()
        # setup mode radio buttons
        self.font_buttons = []
        group = []
        utf8 = urwid.get_encoding_mode() == "utf8"
        for name, fontcls in fonts:
            font = fontcls()
            if font.utf8_required and not utf8:
                rb = self.create_disabled_radio_button(name)
            else:
                rb = self.create_radio_button(group, name, font,
                    self.set_font_event)
                if fontcls == urwid.Thin6x6Font:
                    chosen_font_rb = rb
                    exit_font = font
            self.font_buttons.append( rb )

        # Create BigText
        self.bigtext = urwid.BigText("", None)
        bt = SwitchingPadding(self.bigtext, 'left', None)
        bt = urwid.AttrWrap(bt, 'bigtext')
        bt = urwid.Filler(bt, 'bottom', None, 7)
        bt = urwid.BoxAdapter(bt, 7)

        # Create chars_avail
        cah = urwid.Text("Characters Available:")
        self.chars_avail = urwid.Text("", wrap='any')
        ca = urwid.AttrWrap(self.chars_avail, 'chars')

        chosen_font_rb.set_state(True) # causes set_font_event call

        # Create Edit widget
        edit = self.create_edit("", "Urwid "+urwid.__version__,
            self.edit_change_event)

        # ListBox
        chars = urwid.Pile([cah, ca])
        fonts = urwid.Pile([urwid.Text("Fonts:")] + self.font_buttons,
            focus_item=1)
        col = urwid.Columns([('fixed',16,chars), fonts], 3,
            focus_column=1)
        bt = urwid.Pile([bt, edit], focus_item=1)
        l = [bt, urwid.Divider(), col]
        w = urwid.ListBox(urwid.SimpleListWalker(l))

        # Frame
        w = urwid.AttrWrap(w, 'body')
        hdr = urwid.Text("Urwid BigText example program - F8 exits.")
        hdr = urwid.AttrWrap(hdr, 'header')
        w = urwid.Frame(header=hdr, body=w)

        # Exit message
        exit = urwid.BigText(('exit'," Quit? "), exit_font)
        exit = urwid.Overlay(exit, w, 'center', None, 'middle', None)
        return w, exit