Adding the Copy Property to a Simple Histogram

W. eWatson notvalid2 at sbcglobal.net
Mon Jul 6 05:33:48 CEST 2009


Simon Forman wrote:
> On Jul 5, 9:48 pm, "W. eWatson" <notval... at sbcglobal.net> wrote:
>> The code below produces a text window 60hx20w with a scroll bar. The
>> contents are something of a histogram of values from 0 to 255. If one tries
>> to copy the contents, Windows doesn't allow it. What needs to be done to
>> allow a copy and paste?
>>
>>      def ShowHistogram(self):
>>          if not self.current_image:
>>              return
>>
>>          if self.histogram:
>>              self.histogram.destroy()
>>
>>          t = Toplevel( self.master )
>>          t.title("Histogram")
>>          t.bind( '<Destroy>', self.DestroyHistogram )
>>          text = Text( t, height=60, width=20 )
>>          scroll = Scrollbar(t, command=text.yview)
>>          text.configure(yscrollcommand=scroll.set)
>>          text.pack(side=LEFT, fill='both', expand=1)
>>          scroll.pack(side=RIGHT, fill=Y)
>>          self.histogram = t
>>
>>          hist = self.current_image.histogram()
>>          for i in range(len(hist)):
>>              msg = "%5d %6d\n" % (i,hist[i])
>>              text.insert( END, msg )
>> --
>>                                 W. eWatson
>>
>>               (121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
>>                Obz Site:  39° 15' 7" N, 121° 2' 32" W, 2700 feet
>>
>>                      Web Page: <www.speckledwithstars.net/>
> 
> Do you mean that the Text widget doesn't let you copy-and-paste copy
> its contents using selection and <Control-c>?  That shouldn't have
> anything to do with the contents of the Text widget.
Whoops, I missed it. I'm not quite sure what I did to make it seem like it 
doesn't copy, but it does. I fooled myself. All is well.

-- 
                                W. eWatson

              (121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
               Obz Site:  39° 15' 7" N, 121° 2' 32" W, 2700 feet

                     Web Page: <www.speckledwithstars.net/>




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