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POtkinter python multiple Scrollbars in Notebook widget
 

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    <p>I'm using Python 3.2.3 and Tkinter (8.5.11) on Mac OS 10.7. I have set up a Tkk Notebook widget with several tabs. On the first three frames, there are Listboxes with Scrollbars synched to them. Each of the Scrollbars works fine, but if I manipulate the last of the three created, the other two become unresponsive. (The same thing happened when there were Scrollbars on only two of the panes—-using the Scrollbar on the first pane didn't affect the second pane's Scrollbar, but using the second pane's Scrollbar froze the first pane's). I'm attaching the code below; this looks pretty straightforward to me, but I'm new at this.</p> <pre><code>from tkinter import * from tkinter import ttk def switchTab(): newTab=tabList[1] fieldbook.select(tab_id=newTab) root = Tk() root.geometry('1000x700+1000+40') root.resizable(FALSE,FALSE) root.rowconfigure(0,weight=1) root.columnconfigure(0,weight=1) root.title("Electronic Fieldbook") fieldbook = ttk.Notebook(root) f1 = ttk.Frame(fieldbook); f2 = ttk.Frame(fieldbook); f3 = ttk.Frame(fieldbook); f4 = ttk.Frame(fieldbook); f5 = ttk.Frame(fieldbook); f6 = ttk.Frame(fieldbook); f7 = ttk.Frame(fieldbook); f8 = ttk.Frame(fieldbook); f9 = ttk.Frame(fieldbook); fieldbook.add(f1, text="Home") fieldbook.add(f2, text="Lexicon") fieldbook.add(f3, text="Texts") fieldbook.add(f4, text="Examples") fieldbook.add(f5, text="Datasets") fieldbook.add(f6, text="Concordances") fieldbook.add(f7, text="Paradigms") fieldbook.add(f8, text="Abbreviations") fieldbook.add(f9, text="Index") ##create tabs homeLabel=ttk.Label(f1, text="Lhome") lexiconLabel=ttk.Label(f2, text="Llexicon") textsLabel=ttk.Label(f3, text="Ltexts") examplesLabel=ttk.Label(f4, text="Lexamples") datasetsLabel=ttk.Label(f5, text="Ldatasets") concordancesLabel=ttk.Label(f6, text="Lconcordances") paradigmsLabel=ttk.Label(f7, text="Lparadigms") abbrvLabel=ttk.Label(f8, text="Labbreviations") indexLabel=ttk.Label(f9, text="Lindex") ##create home widgets lexBox = Listbox(f1, height = 32) lexScrl = ttk.Scrollbar(f1, orient=VERTICAL, command=lexBox.yview) LexHomeLabel = ttk.Label(f1, text="Lexicon") testButton = ttk.Button(f1, text="Test", command=switchTab) ##create Lexicon widgets navBox = Listbox(f2, height = 35) navScrl = ttk.Scrollbar(f2, orient=VERTICAL, command=navBox.yview) ##create Text widgets txtBox = Listbox(f3, height = 35) txtScrl = ttk.Scrollbar(f3, orient=VERTICAL, command=txtBox.yview) ##grid widgets fieldbook.grid(row=0, column=0, sticky=(N,W,S,E)) ## grid home widgets LexHomeLabel.grid(row=0,column=0, sticky=(N)) lexBox.grid(row=1, column=0, sticky=(N,W,S,E)) for i in range(1,101): lexBox.insert('end', 'Line %d of 100' % i) lexScrl.grid(row=1,column=1, sticky=(N,S)) lexBox['yscrollcommand'] = lexScrl.set testButton.grid(column=3, row= 2, sticky=(S,E)) ##grid lexicon widgets navBox.grid(row=0, column=0, sticky=(N,W,S,E)) for i in lexBox.get(0, 'end'): navBox.insert('end', i) navScrl.grid(row=0,column=1, sticky=(N,S)) navBox['yscrollcommand'] = navScrl.set ##grid txt widgets txtBox.grid(row=0, column=0, sticky=(N,W,S,E)) for i in range(1,101): txtBox.insert('end', 'Text %d of 100' % i) txtScrl.grid(row=0,column=1, sticky=(N,S)) txtBox['yscrollcommand'] = txtScrl.set tabList = fieldbook.tabs() root.mainloop() </code></pre>
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    1. USuser1420510
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      1. POtkinter python multiple Scrollbars in Notebook widget
      1. USBryan Oakley
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    1. COOddly, when the scrollbar in the first tab appears dead, it's actually scrolling the contents of the third tab. In all my years of Tk programming I've never seen this sort of bug. I'm seeing this on OSX with python 2.7.1, and I see it even if I use tk.Scrollbar rather than ttk.Scrollbar. I'm going to add the "tk" tag to maybe get a larger audience.
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      1. USBryan Oakley
    2. CONot reproducable on my computer running Ubuntu Linux 12.04 . I think this is a bug in Tk in Mac OSX.
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      1. POtkinter python multiple Scrollbars in Notebook widget
      1. USRamchandra Apte
    3. CONo issue on redhat 5 using Python 3.3.0 and GTK 8.5. Could you try on another platform?
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      1. USPlouff
 

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