import Tkinter as tk

import time

from light9 import Patch

from light9.uihelpers import make_frame, colorlabel, eventtoparent

from dispatch import dispatcher

# this font makes each label take 16ms to create, so startup is slow.

# with default font, each labl takes about .5ms to create.

stdfont = ('Arial', 12)

import tkFont

# see replacement stdfont below

class Onelevel(tk.Frame):

    """a name/level pair"""

    def __init__(self, parent, channelnum):

        """channelnum is 1..68, like the real dmx"""

        tk.Frame.__init__(self,parent)

        self.channelnum=channelnum

        self.currentlevel=0 # the level we're displaying, 0..1

        # 3 widgets, left-to-right:

        # channel number -- will turn yellow when being altered

            for e,func in (('<ButtonPress-1>',b1down),

                           ('<B1-Motion>',b1motion),

                           ('<ButtonRelease-1>',b1up),

                           ('<ButtonRelease-3>', b3up),

                           ('<ButtonPress-3>', b3down)):

                w.bind(e,func)

#                w.bind(e,lambda ev,e=e: eventtoparent(ev,e))

    def colorlabel(self):

        """color the level label based on its own text (which is 0..100)"""

        txt=self.level_lab['text'] or "0"

        lev=float(txt)/100

    def setlevel(self,newlev):

        """the main program is telling us to change our

        display. newlev is 0..1"""

        self.currentlevel=newlev

        newlev="%d"%(newlev*100)

        olddisplay=self.level_lab.cget('text')

        if newlev!=olddisplay:

            self.level_lab.config(text=newlev)

            self.colorlabel()

    def getlevel(self):