Tkinter / Entry widget problem

Andras Szabo newport at freemail.hu
Tue Jul 14 16:38:42 CEST 2009


So it's either that I use Python 2.5.1, or that I use it on a Mac.  
(John, your code still doesn't work the way it's supposed to here.) I  
guess I'll upgrade to 2.6.1 and see if it makes a difference. (The  
Tkinter/Tcl versions are the same for me.) Thanks for your help.

andras

On Jul 14, 2009, at 5:07 PM, John Posner wrote:

>
>> Andras Szabo wrote:
>>
>>
>>> Hello. I searched the archives but couldn't find a solution to a
>>> problem related to the Entry widget in Tkinter.
>>>
>>> When creating a pop-up window in an app, which contains an Entry
>>> widget, I want this widget to contain some default string, to have  
>>> all
>>> this default string selected (as if the user had manually selected
>>> everything), and to have the focus transferred to this widget.
>>>
>>> (The idea is then that if the window pops up, the user won't have to
>>> click or press Tab any more before being able to type what is needed
>>> in the textbox, overwriting what is written there already.)
>>>
>>> I thought this might be the way to go:
>>>
>>> entrybox=Entry(toplevel_parent_window)
>>> entrybox.insert(0,"Some default string")
>>> entrybox.select_range(0,END)
>>> entrybox.focus_set()
>>> entrybox.pack()
>>>
>>> But it doesn't seem to work - the focus is not transferred to the
>>> Entry widget, and the text does not appear to be selected (even  
>>> though
>>> after this entrybox.selection_present() returns True).
>>>
>>> What am I doing wrong?
>>>
>>
>> Nothing, I would think. Can you post a minimal runnable example?
>>
>> Peter
>
> This works for me, on Windows and Linux:
>
> from Tkinter import *
>
> rt = Tk()
> rt.title("root window")
> pop = Toplevel()
> pop.title("second window")
>
> entrybox=Entry(pop)
> entrybox.insert(0,"Some default string")
> entrybox.select_range(0,END)
> entrybox.focus_set()
> entrybox.pack()
>
> rt.withdraw()
> rt.mainloop()
>
>
> On Win/XP SP3:
>
> > python
> Python 2.6.1 (r261:67517, Dec  4 2008, 16:51:00) [MSC v.1500 32 bit
>  (Intel)] on   win32
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import Tkinter
> >>> Tkinter.TkVersion
> 8.5
> >>> Tkinter.TclVersion
> 8.5
>
> On Ubuntu Linux (Ubu-SL 2.6.27.14-generic):
>
> $ python
> Python 2.6.1 (r261:67515, Jan  9 2009, 19:06:23)
> [GCC 4.3.2] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import Tkinter
> >>> Tkinter.TkVersion
> 8.4000000000000004
> >>> Tkinter.TclVersion
> 8.4000000000000004
>
>
> -John
>
>




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