self.bind("<ButtonPress>", self.press)

        self.bind("<Motion>", self.motion)

        self.bind("<ButtonRelease>", self.release)

        self.bind("<Control-Key-a>", lambda ev: self.selectall())

        self.bind("<Control-Key-A>", lambda ev: self.clearselection())

#        self.bind("<Control-Shift-Key-a>",self.handlecontrol_a)

        self.halo=11 # search radius for clicked items

        self.mode=None # as you perform with the mouse, this goes

                       # from None to 'pressed','rectangle','levelchange', etc

        self.alllights=[]

        self.selectedlights=[]

        self.alllighttags={} # tag: name lookup

        self.subeditor = None

    def setimage(self,stageimage):

        img = Image('photo',file=stageimage)

        self.img=img # can't lose this!

        # print img.width()

        # we had the picture removed for good luck, but we remember

        # what the dimensions formerly was

        self.config(width=821,height=681, bg="grey40")

    def setsubediting(self,subeditor):

        self.subeditor = subeditor

    # (17:00:06) drewp: if yes, then self.itemconfigure(tagOrId, text=...)

    def updatelightlevel(self, name, level):

        tag = self.nametag(name)

        self.itemconfigure("level_%s" % tag, text=level)

    #

    # selection management

    #

    def updateselectionboxes(self):

        "make selection boxes that match self.selectedlights"

        self.delete("selectbox")

        for l in self.selectedlights:

            for c in self.getlightbboxes(l):

               self.create_rectangle(c[0]-2,c[1]-2,c[2]+2,c[3]+2,

                                     outline='red',tag="selectbox")