Il 17/01/19 14:08, Peter Otten ha scritto:
Alternatives:
- If you know that you'll always just call pack() you can change the
make_entry() method accordingly
def make_entry(...):
...
entry.pack()
return entry
- Write a helper function
def pack(widget):
widget.pack()
steve wrote:
> Il 17/01/19 14:08, Peter Otten ha scritto:
>
>> Two remarks:
>>
>>> self.id1_entry = self.make_entry(self.parent, maxlen=1).pack()
>>
>> You set all idX_entry attributes to None, as that's what pack() returns.
>
> you mean..
>
> self.idx_entry =
Il 17/01/19 14:08, Peter Otten ha scritto:
Two remarks:
self.id1_entry = self.make_entry(self.parent, maxlen=1).pack()
You set all idX_entry attributes to None, as that's what pack() returns.
you mean..
self.idx_entry = self.make_entry(self.parent, width=50, maxlen=30,
steve wrote:
> Il 16/01/19 08:51, Peter Otten ha scritto:
>
>> def make_ui(self):
>> ''' create user interface '''
>>
>> def vcmd(maxlength):
>> return self.parent.register(
>> partial(self.maxlength_validate, maxlength=maxlength)
>>
Il 16/01/19 08:51, Peter Otten ha scritto:
def make_ui(self):
''' create user interface '''
def vcmd(maxlength):
return self.parent.register(
partial(self.maxlength_validate, maxlength=maxlength)
), "%P"
...
ok following your
steve wrote:
> for determine the maximum number of characters in an entry
>
> I have read several interpretations for the solution of the problem, but
> I wanted to find an alternative way (for convenience of the code)
>
> I kindly ask for an opinion on the use of validation in this way.
>
>
On 15/01/2019 14:16, Rick Johnson wrote:
steve wrote:
Then it's just a matter of passing a keyword argument:
myEntry = MyEntry(master, maxlen=20)
What you have above is a tightly coiled, steaming dogpile that will litter your
code base. Encapsulate that stench, would ya?
sure,
On Apr 22, 5:55 pm, Rotwang sg...@hotmail.co.uk wrote:
James Mills wrote:
On Wed, Apr 21, 2010 at 8:45 PM, Rotwang sg...@hotmail.co.uk wrote:
[...]
From reading the documentation myself (pydoc)...
It would seem your only option is to make a thread
out of this (not my preferred way - I
eb303 wrote:
On Apr 22, 5:55 pm, Rotwang sg...@hotmail.co.uk wrote:
[...]
From my experience, mixing Tkinter with threads is a bad idea. As most
GUI toolkits, it really doesn't like to be manipulated from different
threads, so you might end up getting weird problems or even crashes.
By the
On Apr 23, 1:58 pm, Rotwang sg...@hotmail.co.uk wrote:
eb303 wrote:
On Apr 22, 5:55 pm, Rotwang sg...@hotmail.co.uk wrote:
[...]
From my experience, mixing Tkinter with threads is a bad idea. As most
GUI toolkits, it really doesn't like to be manipulated from different
threads, so you
eb303 wrote:
On Apr 23, 1:58 pm, Rotwang sg...@hotmail.co.uk wrote:
[...]
I didn't. How do I get Python to display the draw window, other than by
using mainloop()?
Well, mainloop doesn't actually display anything. It's just the event
loop for tk. So since you run your program within IDLE,
James Mills wrote:
On Wed, Apr 21, 2010 at 8:45 PM, Rotwang sg...@hotmail.co.uk wrote:
[...]
From reading the documentation myself (pydoc)...
It would seem your only option is to make a thread
out of this (not my preferred way - I was hoping it was
possible to poll the Tk event
eb303 wrote:
On Apr 21, 12:45 pm, Rotwang sg...@hotmail.co.uk wrote:
[...]
Just run your program directly, either from a terminal or a DOS
console or by double-clicking on it in a file manager if the proper
file associations have been defined (they are by default on Windows).
Thanks for
On Wed, Apr 21, 2010 at 8:45 PM, Rotwang sg...@hotmail.co.uk wrote:
def draw(self, w, h):
out = Tkinter.Canvas(width = w, height = h)
# a load of out.create_line(...)'s go here
out.pack()
out.mainloop()
It works, but the problem is that I can't do anything else
On Apr 21, 12:45 pm, Rotwang sg...@hotmail.co.uk wrote:
Apologies in advance if this is a totally stupid question, I've tried
looking at the Tkinter documentation on the web but since I'm something
of an ignoramus when it comes to programming generally I didn't
understand what I was reading.
On Oct 26, 7:02 am, Chuckk Hubbard [EMAIL PROTECTED]
wrote:
Hello.
How about this? I changed the if statements so the coordinates are
always updated, but only changed if within the right limits, otherwise
updated to the existing value. Now if you drag outside the limits of
one dimension, it
On Oct 26, 7:02 am, Chuckk Hubbard [EMAIL PROTECTED]
wrote:
Hello.
How about this? I changed the if statements so the coordinates are
always updated, but only changed if within the right limits, otherwise
updated to the existing value. Now if you drag outside the limits of
one dimension, it
Hello.
How about this? I changed the if statements so the coordinates are
always updated, but only changed if within the right limits, otherwise
updated to the existing value. Now if you drag outside the limits of
one dimension, it still moves in the other dimension. Not sure if
that's what you
On Sun, 07 Oct 2007 18:09:16 +0200, Kevin Walzer [EMAIL PROTECTED]
wrote:
Hendrik van Rooyen wrote:
Kevin Walzer [EMAIL PROTECTED] wrote:
I find pack to be more flexible than grid, so I prefer it for
complex layouts. grid is better for simple layouts.
*does a double take* are you
-Original Message-
From: Kevin Walzer
See
http://www.codebykevin.com/blosxom/business/phynchronicity-new.png:
this is an application I develop. The layout is all handled by pack
and paned windows. Where you you use grid in a layout like this?
I'd use a three row grid, with the
Hendrik van Rooyen wrote:
Kevin Walzer [EMAIL PROTECTED] wrote:
I find pack to be more flexible than grid, so I prefer it for
complex layouts. grid is better for simple layouts.
*does a double take* are you serious? - my experience is that
pack is only good for simple single row or
Kevin Walzer wrote:
Well, I guess it depends on your viewpoint. I find pack flexible
because it allows me to think in terms of top, bottom, right, and left
in terms of arranging UI elements--it's an elegant way to do it in my
view. I tend to use grid if I have, say, a window with several
Kevin Walzer [EMAIL PROTECTED] wrote:
I find pack to be more flexible than grid, so I prefer it for
complex layouts. grid is better for simple layouts.
*does a double take* are you serious? - my experience is that
pack is only good for simple single row or single column stuff.
- Hendrik
On Fri, 05 Oct 2007 05:16:14 +0200, goldtech [EMAIL PROTECTED]
wrote:
This works OK. But I notice that if I enlarge the window after the
script has run, the white listbox only gets so big while the grey
background enlarges.
Is there a way to have it all white when I enlarge a window - like
On Thu, 04 Oct 2007 20:16:14 -0700, goldtech wrote:
This works OK. But I notice that if I enlarge the window after the
script has run, the white listbox only gets so big while the grey
background enlarges.
Is there a way to have it all white when I enlarge a window - like
what normally
Eric Brunel wrote:
BTW, even for something that simple, using the grid geometry manager may
be easier... It is at least easier to explain: don't ask me what the
expand=1 option means, I never understood it... I just add or remove it
when the pack doesn't do what I want. The sticky option
On Fri, 05 Oct 2007 14:10:57 +0200, Kevin Walzer [EMAIL PROTECTED]
wrote:
expand = 1 == expand=TRUE--that means the widget resizes itself
when the window is re-sized.
That's the theory... But what does fill=BOTH means then? And why does
expand=1 (or TRUE, or True) is only needed in some
try to change listbox.pack() to listbox.pack(expand=True, fill=BOTH)
.. is it that you want ?
Yes.
-mykhal
Worked with TRUE all uppercase.
Exactly what I needed. Thank you.
--
http://mail.python.org/mailman/listinfo/python-list
Eric Brunel wrote:
On Fri, 05 Oct 2007 14:10:57 +0200, Kevin Walzer [EMAIL PROTECTED]
wrote:
expand = 1 == expand=TRUE--that means the widget resizes itself
when the window is re-sized.
That's the theory... But what does fill=BOTH means then? And why does
expand=1 (or TRUE, or True) is
Fredrik Lundh [EMAIL PROTECTED] wrote:
Eric Brunel wrote:
But Hendrik's solution is better, since it avoids the use of lambda, which
is often difficult to understand.
storing the button reference in a variable doesn't help if you want to use the
same callback for multiple buttons,
Sorin Schwimmer wrote:
Hi All,
Is it possible to have a widget id while it is created?
Something like this:
Button(root, text='...', command= lambda v=widget id: fn(v)).grid()
and then the function:
def fn(v):
v['bg']='BLUE' # or maybe nametowidget(v)['bg']='BLUE'
Thanks,
Sorin
- just
On Tue, 24 Oct 2006 07:48:51 +0200, Hendrik van Rooyen
[EMAIL PROTECTED] wrote:
Sorin Schwimmer wrote:
Hi All,
Is it possible to have a widget id while it is created?
Something like this:
Button(root, text='...', command= lambda v=widget id: fn(v)).grid()
and then the function:
def
Eric Brunel wrote:
But Hendrik's solution is better, since it avoids the use of lambda, which
is often difficult to understand.
storing the button reference in a variable doesn't help if you want to use the
same callback for multiple buttons, though...
/F
--
On Wed, 2006-05-31 at 11:37 -0400, david brochu jr wrote:
I am trying to create a GUI that will display a new window with
information about my program when the user clicks on the info button
(a green i bitmap). So far all I can get my program to do is show
the new window (using Toplevel() )
(Please quote a part of the message you're replying to; I had problems
figuring out you were replying to my post...)
On 29 Mar 2006 14:08:02 -0800, [EMAIL PROTECTED] wrote:
Ultimately what I am trying to is create a public computer session
manager.
1) User logs in and main application
If you just create
a Toplevel and populate it with widgets, it will just display once the
control is returned to the Tkinter mainloop and no user input will be
needed.
Thanks for explaining that. I borrowed the after method that you used
in your first reply. It seems to do what I want (except for
On 30 Mar 2006 15:11:19 -0800, [EMAIL PROTECTED] wrote:
If you just create
a Toplevel and populate it with widgets, it will just display once the
control is returned to the Tkinter mainloop and no user input will be
needed.
Thanks for explaining that. I borrowed the after method that you
Ultimately what I am trying to is create a public computer session
manager.
1) User logs in and main application window is withdrawn (easy)
2) After (for example) 55 minutes - a warning window/dialoguebox
session will end in 5 minutes
3) With 30 seconds to go - a warning window/dialoguebox
On 27 Mar 2006 15:15:05 -0800, [EMAIL PROTECTED] wrote:
Hi
I have a tkinter question. In the following script the window will not
display until the script has finished executing. It appears at the same
time as the output script finished. How can I make it appear
immediately, with the output
Fredrik Lundh wrote:
[EMAIL PROTECTED] wrote:
Thanks for all the help guys... I'm a bit confused as to the inner
workings of the Tkinter system (I'm both a Python and a GUI n00b). I was
hoping that by slapping the x on button python was doing some cool
dynamic variable creation (i.e. creating
[EMAIL PROTECTED] wrote:
I'm sure there must be a way to do this, but I can't figure it out for
the life of me I'm writing a program where I would like to use a
button's text field as part of an if statement. I set up my button like
this:
i = [ 7, 8,9, /, 4, 5, 6, *, 1, 2, 3, -, 0,
.,
I realise I was a bit short on advice earlier...
Martin Franklin wrote:
[EMAIL PROTECTED] wrote:
I'm sure there must be a way to do this, but I can't figure it out for
the life of me I'm writing a program where I would like to use a
button's text field as part of an if statement. I set up
[EMAIL PROTECTED] wrote:
[I didn't see the original post, so just in case noone mentioned it]
if(self.buttonx.title.isdigit):
Nicholas, the method is not called unless you add parentheses, e. g:
1.isdigit # a bound method *always* True in a boolean context
built-in method isdigit of str
[EMAIL PROTECTED] wrote:
I'm sure there must be a way to do this, but I can't figure it out for
the life of me... I'm writing a program where I would like to use a
button's text field as part of an if statement. I set up my button like
this:
i = [ 7, 8,9, /, 4, 5, 6, *, 1, 2, 3, -, 0, .,
Fredrik Lundh wrote:
note that you're assigning all buttons to the same instance variable, so
even if the above did work, it would always return a plus.
since the command callback doesn't know what widget it was called
from, you need to create a separate callback for each widget. here's
Peter Otten wrote:
Change the above function to
def callback(text=text):
self.pressed(text)
argh!
/F
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