# Error: urwid.widget.WidgetError: Widget <ANSIColorCanvas selectable box widget> rendered (166 x 26) canvas when passed size (238, 65)!

class ANSIColorCanvas(urwid.BoxWidget):
    def __init__(self):
        self.__super.__init__()
        self.term = None
        self.term_size = None
        self.term_modes = urwid.TermModes()  # Compatibility with TermCanvas
        self.text = []

    def render(self, size, focus=False):
        if not self.term:
            width, height = size
            self.term = TermCanvas(width, height, self)
            self.term_size = size

            if len(self.text) > 0:
                self.term.addstr(self.text)

            self.text = []

        if self.term_size != size:
            self.term.resize(*size)

        return self.term

    def addtext(self, text):
        if not self.term or not self.term.autoscroll:
            self.text += text
        else:
            if len(self.text) > 0:
                self.term.addstr(self.text)
                self.text = []

            self.term.addstr(text)

        self._invalidate()