Jam/status_bar.py

from kivy.uix.label import Label
from kivy.graphics import Color,Rectangle
from kivy.utils import escape_markup

class Status_bar(Label):

    def __init__(self,app,**kwargs):
        # app is used to share information between widgets
        self.app=app

        # width of a character
        self.char_width=9

        # unformatted text
        self.raw_text=""

        # init Label
        super(Status_bar,self).__init__(**kwargs)

    def set_text(self,string):
        self.raw_text=string
        self.draw()

    def draw(self):
        # do not wrap
        if len(self.raw_text)<self.width/self.char_width:
            self.text=self.raw_text
        else:
            self.text=self.raw_text[:int(self.width/self.char_width)]