From camfarnell at cogeco.ca  Mon Apr  3 01:23:43 2006
From: camfarnell at cogeco.ca (Cam)
Date: Sun, 02 Apr 2006 19:23:43 -0400
Subject: [Tkinter-discuss] Framed
Message-ID: <44305CFF.3020706@cogeco.ca>

Hello list,

The following little test program works as expected. But if you change 
the line marked "----- Here ----" so it reads:

	self.Frame2 = Pmw.ScrolledFrame(self)

then it blows up on an error deep inside Tkinter when attempting to 
create the button mentioned on the following line. All I wanted to do 
was trade a Frame for a ScrolledFrame. I'm stumped as to why it blows 
up. Anybody out there know?

Thanks

Cam

ps I realize that in this example Frame2 is redundant. I encountered the 
problem in a larger case. To generate the example shown below I stripped 
out pretty much everything that wasn't necessary to demonstrate the problem.

- - - - -

import Pmw
from Tkinter import *

class Test(Frame):
     def __init__(self,Master=None,**kw):
         apply(Frame.__init__,(self,Master),kw)
         self.Frame2 = Frame(self) #<---- HERE ----
         self.Frame2.pack(side='left')
         self.Button1 = Button(self.Frame2)
         self.Button1.pack(side='top')

Root = Tk()
Pmw.initialise(Root)
App = Test(Root)
App.pack(expand='yes',fill='both')
Root.geometry('640x480+10+10')
Root.mainloop()

From mfranklin1 at gatwick.westerngeco.slb.com  Mon Apr  3 09:38:08 2006
From: mfranklin1 at gatwick.westerngeco.slb.com (Martin Franklin)
Date: Mon, 03 Apr 2006 08:38:08 +0100
Subject: [Tkinter-discuss] Framed
In-Reply-To: <44305CFF.3020706@cogeco.ca>
References: <44305CFF.3020706@cogeco.ca>
Message-ID: <4430D0E0.8090904@gatwick.westerngeco.slb.com>

Cam wrote:
> Hello list,
> 
> The following little test program works as expected. But if you change 
> the line marked "----- Here ----" so it reads:
> 
> 	self.Frame2 = Pmw.ScrolledFrame(self)
> 


The internal frame (the one sub-widgets go into) is not the scrolled
frame itself.  It should mention this in the Pmw docs... don't have then
handy atm


Change this:
 > 	self.Frame2 = Pmw.ScrolledFrame(self)

to:

 > 	self.Frame2 = Pmw.ScrolledFrame(self).interior()


Cheers
Martin


> then it blows up on an error deep inside Tkinter when attempting to 
> create the button mentioned on the following line. All I wanted to do 
> was trade a Frame for a ScrolledFrame. I'm stumped as to why it blows 
> up. Anybody out there know?
> 
> Thanks
> 
> Cam
> 
> ps I realize that in this example Frame2 is redundant. I encountered the 
> problem in a larger case. To generate the example shown below I stripped 
> out pretty much everything that wasn't necessary to demonstrate the problem.
> 
> - - - - -
> 
> import Pmw
> from Tkinter import *
> 
> class Test(Frame):
>      def __init__(self,Master=None,**kw):
>          apply(Frame.__init__,(self,Master),kw)
>          self.Frame2 = Frame(self) #<---- HERE ----
>          self.Frame2.pack(side='left')
>          self.Button1 = Button(self.Frame2)
>          self.Button1.pack(side='top')
> 
> Root = Tk()
> Pmw.initialise(Root)
> App = Test(Root)
> App.pack(expand='yes',fill='both')
> Root.geometry('640x480+10+10')
> Root.mainloop()
> _______________________________________________
> Tkinter-discuss mailing list
> Tkinter-discuss at python.org
> http://mail.python.org/mailman/listinfo/tkinter-discuss
> 


From m_tayseer82 at yahoo.com  Mon Apr  3 13:26:16 2006
From: m_tayseer82 at yahoo.com (Mohammad Tayseer)
Date: Mon, 3 Apr 2006 04:26:16 -0700 (PDT)
Subject: [Tkinter-discuss] Framed
In-Reply-To: <4430D0E0.8090904@gatwick.westerngeco.slb.com>
Message-ID: <20060403112616.39095.qmail@web31108.mail.mud.yahoo.com>

Martin's code didn't work, at least on my machine (Win XP). 
I tried a little change

self.Frame2 = Pmw.ScrolledFrame(self)

will remain as it is, but change the button instantiation to

self.Button2 = Button(self.Frame2.interior())

this can be found in Pmw docs. See "Extending Pmw megawidgets" at http://pmw.sourceforge.net/doc/howtouse.html

Martin Franklin <mfranklin1 at gatwick.westerngeco.slb.com> wrote:

 >  self.Frame2 = Pmw.ScrolledFrame(self).interior()


		
---------------------------------
Yahoo! Messenger with Voice. Make PC-to-Phone Calls to the US (and 30+ countries) for 2?/min or less.
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From camfarnell at cogeco.ca  Mon Apr  3 18:43:31 2006
From: camfarnell at cogeco.ca (Cam)
Date: Mon, 03 Apr 2006 12:43:31 -0400
Subject: [Tkinter-discuss] Framed
In-Reply-To: <20060403112616.39095.qmail@web31108.mail.mud.yahoo.com>
References: <20060403112616.39095.qmail@web31108.mail.mud.yahoo.com>
Message-ID: <443150B3.3060407@cogeco.ca>

Ok, got it now although now I feel a bit stupid. On one level I knew 
perfectly well that all those Pmw things aren't what they claim to be, 
ie ScrolledListBox doesn't derive from Listbox, ScrolledText doesn't 
derive from Text and ... well for some reason I was thinking that 
ScrolledFrame actually derived from Frame rather than containing a Frame 
component.

Thanks for the help.

Cam



Mohammad Tayseer wrote:
> Martin's code didn't work, at least on my machine (Win XP).
> I tried a little change
> 
> self.Frame2 = Pmw.ScrolledFrame(self)
> 
> will remain as it is, but change the button instantiation to
> 
> self.Button2 = Button(self.Frame2.interior())
> 
> this can be found in Pmw docs. See "Extending Pmw megawidgets" at 
> http://pmw.sourceforge.net/doc/howtouse.html
> 
> /Martin Franklin <mfranklin1 at gatwick.westerngeco.slb.com>/ wrote:
> 
>>  self.Frame2 = Pmw.ScrolledFrame(self).interior()
> 

From brennan162 at sbcglobal.net  Tue Apr  4 21:48:02 2006
From: brennan162 at sbcglobal.net (fxe)
Date: Tue, 4 Apr 2006 12:48:02 -0700 (PDT)
Subject: [Tkinter-discuss] canvas binding
Message-ID: <3751619.post@talk.nabble.com>


Hi,
  Is it possible to have a both a rectangle and an oval drawn on the same
canvas yet only have bindings work on the rectangle. I would think it is
possible but I seem to be having a big problem with this.
--
View this message in context: http://www.nabble.com/canvas-binding-t1395201.html#a3751619
Sent from the Python - tkinter-discuss forum at Nabble.com.


From geon at post.cz  Wed Apr  5 07:56:00 2006
From: geon at post.cz (Pavel Kosina)
Date: Wed, 05 Apr 2006 07:56:00 +0200
Subject: [Tkinter-discuss] thicker lines
Message-ID: <44335BF0.9020506@post.cz>

I would like to ask for bright and simple idea how to draw thicker lines 
between each 3 fields in this grid. Its about sudoku so the slines 
should be there 4: 2 horizontaly a 2 vertikaly and maybe one around. 
Some idea is already present with me but its quite complicated.


from Tkinter import *

root=Tk()
size=2

for i in range(81):
    _row, _column=divmod(i,9)
    butt=Button(root, text=str(i), height=size, width=size*2, relief=RAISED)
    butt.grid(row=_row, column=_column)


root.title("sudoku")
root.mainloop()

Thank you

-- 
Pavel Kosina


From stewart.midwinter at gmail.com  Wed Apr  5 08:11:43 2006
From: stewart.midwinter at gmail.com (Stewart Midwinter)
Date: Wed, 5 Apr 2006 00:11:43 -0600
Subject: [Tkinter-discuss] thicker lines
In-Reply-To: <44335BF0.9020506@post.cz>
References: <44335BF0.9020506@post.cz>
Message-ID: <d4c0d4800604042311g25e40ee8o2349f132d2b1b719@mail.gmail.com>

I see that you are drawing a 9x9 grid of buttons to make your sudoku
game. BUT, sudoku is in fact composed of a grid of 3x3 boxes, each of
which contains a 3x3 grid of buttons. Isn't that right?

my suggestion would be to use the grid method to place 3x3 frames,
each of which can have a solid, thick border. Then inside those frames
you can place your buttons.

cheers
s

On 4/4/06, Pavel Kosina <geon at post.cz> wrote:
> I would like to ask for bright and simple idea how to draw thicker lines
> between each 3 fields in this grid. Its about sudoku so the slines
> should be there 4: 2 horizontaly a 2 vertikaly and maybe one around.
> Some idea is already present with me but its quite complicated.
>
>
> from Tkinter import *
>
> root=Tk()
> size=2
>
> for i in range(81):
>     _row, _column=divmod(i,9)
>     butt=Button(root, text=str(i), height=size, width=size*2, relief=RAISED)
>     butt.grid(row=_row, column=_column)
>
>
> root.title("sudoku")
> root.mainloop()
>
> Thank you
>
> --
> Pavel Kosina
>
> _______________________________________________
> Tkinter-discuss mailing list
> Tkinter-discuss at python.org
> http://mail.python.org/mailman/listinfo/tkinter-discuss
>


--
Stewart Midwinter
stewart at midwinter.ca
stewart.midwinter at gmail.com
Skype, GoogleTalk, iChatAV, MSN, Yahoo: midtoad
AIM:midtoad1

From klappnase at web.de  Wed Apr  5 12:21:33 2006
From: klappnase at web.de (Michael Lange)
Date: Wed, 5 Apr 2006 12:21:33 +0200
Subject: [Tkinter-discuss] canvas binding
In-Reply-To: <3751619.post@talk.nabble.com>
References: <3751619.post@talk.nabble.com>
Message-ID: <20060405122133.223533a6.klappnase@web.de>

On Tue, 4 Apr 2006 12:48:02 -0700 (PDT)
fxe <brennan162 at sbcglobal.net> wrote:

> 
> Hi,
>   Is it possible to have a both a rectangle and an oval drawn on the same
> canvas yet only have bindings work on the rectangle. I would think it is
> possible but I seem to be having a big problem with this.
> --

Hi,

what exactly do you want to achieve and what is the problem? It would be easier
to figure out a solution if we knew the problem...

Michael

From geon at post.cz  Sat Apr  8 19:10:54 2006
From: geon at post.cz (Pavel Kosina)
Date: Sat, 08 Apr 2006 19:10:54 +0200
Subject: [Tkinter-discuss] toplevel on top
Message-ID: <4437EE9E.1050005@post.cz>

How to make Toplevel window (with some options to be set in it) to stay 
really on top unless its button OK (destroy) is pressed? In other words  
- its parent couldnt be activated.

Thank you

-- 
Pavel Kosina


From klappnase at web.de  Sat Apr  8 23:54:44 2006
From: klappnase at web.de (Michael Lange)
Date: Sat, 8 Apr 2006 23:54:44 +0200
Subject: [Tkinter-discuss] toplevel on top
In-Reply-To: <4437EE9E.1050005@post.cz>
References: <4437EE9E.1050005@post.cz>
Message-ID: <20060408235444.4d5abc46.klappnase@web.de>

On Sat, 08 Apr 2006 19:10:54 +0200
Pavel Kosina <geon at post.cz> wrote:

> How to make Toplevel window (with some options to be set in it) to stay 
> really on top unless its button OK (destroy) is pressed? In other words  
> - its parent couldnt be activated.
> 

Hi Pavel,

you need to call the Toplevel's transient() method:

>>> from Tkinter import *
>>> r=Tk()
>>> t=Toplevel(r)
>>> t.transient(r)

HTH

Michael

From geon at post.cz  Sun Apr  9 07:41:25 2006
From: geon at post.cz (Pavel Kosina)
Date: Sun, 09 Apr 2006 07:41:25 +0200
Subject: [Tkinter-discuss] toplevel on top
In-Reply-To: <20060408235444.4d5abc46.klappnase@web.de>
References: <4437EE9E.1050005@post.cz>
	<20060408235444.4d5abc46.klappnase@web.de>
Message-ID: <44389E85.50005@post.cz>

Michael Lange napsal(a):
>> How to make Toplevel window (with some options to be set in it) to stay 
>> really on top unless its button OK (destroy) is pressed? In other words  
>> - its parent couldnt be activated.
>>
>>     
>
> Hi Pavel,
>
> you need to call the Toplevel's transient() method:
>   
Hi Michael,

I am afraid it doesnt work, at least as I can understand it. I still can 
activate the root window.

from Tkinter import *

def OK():
    top=Toplevel(root)
    top.transient(root)
    top.focus()
    helpText=Label(top,text="Help")
    helpText.pack()
    top.mainloop()


root=Tk()
helpButton=Button(text="Help", command=OK)
helpButton.pack()

root.mainloop()
   

-- 
(w2000, py2.4)
Pavel Kosina

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From klappnase at web.de  Mon Apr 10 11:40:57 2006
From: klappnase at web.de (Michael Lange)
Date: Mon, 10 Apr 2006 11:40:57 +0200
Subject: [Tkinter-discuss] toplevel on top
In-Reply-To: <44389E85.50005@post.cz>
References: <4437EE9E.1050005@post.cz>
	<20060408235444.4d5abc46.klappnase@web.de> <44389E85.50005@post.cz>
Message-ID: <20060410114057.286b35c3.klappnase@web.de>

On Sun, 09 Apr 2006 07:41:25 +0200
Pavel Kosina <geon at post.cz> wrote:

> 
> I am afraid it doesnt work, at least as I can understand it. I still can 
> activate the root window.
> 
> from Tkinter import *
> 
> def OK():
>     top=Toplevel(root)
>     top.transient(root)
>     top.focus()
>     helpText=Label(top,text="Help")
>     helpText.pack()
>     top.mainloop()
> 
> 
> root=Tk()
> helpButton=Button(text="Help", command=OK)
> helpButton.pack()
> 
> root.mainloop()
>    

Hi Pavel,

transient() only makes the Toplevel stay on top of the root window, if you do not want
the root window to receive any events you need to call grab_set(), too:

    top.transient(root)
    top.grab_set()

HTH

Michael

From williams13 at llnl.gov  Mon Apr 10 14:16:57 2006
From: williams13 at llnl.gov (Dean N. Williams)
Date: Mon, 10 Apr 2006 05:16:57 -0700
Subject: [Tkinter-discuss] Combining Tcl/Tck widgets with a Xll Graphics
	window
Message-ID: <443A4CB9.2030407@llnl.gov>

Dear Tkinter and Tcl/Tk community,

I am a Tkinter/Pmw user and have a general question. Is it possible to 
combine Tcl/Tk widgets with a X11 graphics window? Please see the 
attached TIFF for the example. If this possible, then is there any 
example code(s) for doing this? Following the example TIFF, I would like 
to have a Tkinter/Pmw menu bar above a X11 graphics window. It was 
suggested from the Pwm community that I e-mail the Tcl/Tk and Tkinter 
community for instructions on how to do what is needed for my application.

Thanks in advance for any advice.

Best regards,
    Dean

P.S. "Please send your response to 'williams13 at llnl.gov'."

From drh at hwaci.com  Mon Apr 10 15:55:35 2006
From: drh at hwaci.com (drh at hwaci.com)
Date: Mon, 10 Apr 2006 09:55:35 -0400
Subject: [Tkinter-discuss] [TCLCORE] Combining Tcl/Tck widgets with a
	Xll Graphics window
In-Reply-To: <443A4CB9.2030407@llnl.gov>
References: <443A4CB9.2030407@llnl.gov>
Message-ID: <2453836.0797657278393962389317423667025309554535954143@hwaci.com>

"Dean N. Williams" <williams13 at llnl.gov> wrote:
> Dear Tkinter and Tcl/Tk community,
> 
> I am a Tkinter/Pmw user and have a general question. Is it possible to 
> combine Tcl/Tk widgets with a X11 graphics window? Please see the 
> attached TIFF for the example.

The attachment has be copied to

  http://www.hwaci.com/misc/X-Window_in_PMW_frame.gif

> If this possible, then is there any 
> example code(s) for doing this? Following the example TIFF, I would like 
> to have a Tkinter/Pmw menu bar above a X11 graphics window. It was 
> suggested from the Pwm community that I e-mail the Tcl/Tk and Tkinter 
> community for instructions on how to do what is needed for my application.
> 
> Thanks in advance for any advice.
> 



From jepler at unpythonic.net  Tue Apr 11 14:31:10 2006
From: jepler at unpythonic.net (Jeff Epler)
Date: Tue, 11 Apr 2006 07:31:10 -0500
Subject: [Tkinter-discuss] Combining Tcl/Tck widgets with a Xll Graphics
	window
In-Reply-To: <443A4CB9.2030407@llnl.gov>
References: <443A4CB9.2030407@llnl.gov>
Message-ID: <20060411123110.GF27929@unpythonic.net>

The "frame" widget has this option (from the tk manpage):
       Command-Line Name:-container
       Database Name:  container
       Database Class: Container

              The value must be a boolean.  If true, it means that this window
              will be used as a container in which some other application will
              be embedded (for example, a Tk toplevel can  be  embedded  using
              the  -use option).  The window will support the appropriate win?
              dow manager protocols for things like  geometry  requests.   The
              window  should not have any children of its own in this applica?
              tion.  This option may not be changed with the configure  widget
              command.

However, actually using this option seems to lead to focus-related headaches.

Anyhow, here's a program that embeds an ImageMagick "display" into a Tk frame:
#-----------------------------------------------------------------------
import Tkinter, sys, os

t = Tkinter.Tk()
b = Tkinter.Button(text="quit", command=t.destroy)
f = Tkinter.Frame(container=True, width=300, height=300, bg="")
f.pack(side="top")
b.pack(side="top")
os.spawnvp(os.P_NOWAIT, 'display', ['display',
    '-window', hex(f.winfo_id()),
    '-window_group', hex(f.winfo_id()), sys.argv[1]])
t.mainloop()
#-----------------------------------------------------------------------

Jeff

From blenderkid at web.de  Tue Apr 11 11:15:24 2006
From: blenderkid at web.de (Jan Filip Tristan)
Date: Tue, 11 Apr 2006 11:15:24 +0200
Subject: [Tkinter-discuss] optionmenu question
Message-ID: <e1foc8$sm2$1@sea.gmane.org>

Hello,
I have got a problem.I've got a List and I want to have everything in this
List as an own OptionMenu piece.

TIA

Filip


From stewart.midwinter at gmail.com  Tue Apr 11 17:06:33 2006
From: stewart.midwinter at gmail.com (Stewart Midwinter)
Date: Tue, 11 Apr 2006 09:06:33 -0600
Subject: [Tkinter-discuss] optionmenu question
In-Reply-To: <e1foc8$sm2$1@sea.gmane.org>
References: <e1foc8$sm2$1@sea.gmane.org>
Message-ID: <d4c0d4800604110806j53b68910v585db2ce8636f688@mail.gmail.com>

On 4/11/06, Jan Filip Tristan <blenderkid at web.de> wrote:
> Hello,
> I have got a problem.I've got a List and I want to have everything in this
> List as an own OptionMenu piece.

from Tkinter import *
import Pmw
root=Tk()
Pmw.initialise()
var = StringVar()
var.set('Quanitity Surveyor')
opt_menu = Pmw.OptionMenu(root,labelpos=W,
    label_text='Choose Profession',
    menubutton_textvariable=var,
    items=('Stockbrocker','Quantity Surveyor','Church Warden','BRM'),
    menubutton_width = 16)
opt_menu.pack(anchor=W, padx=20, pady=30)
root.mainloop()

S

From alexci at gmx.net  Tue Apr 11 18:02:37 2006
From: alexci at gmx.net (Aleksandar Cikota)
Date: Tue, 11 Apr 2006 18:02:37 +0200 (Central European Daylight Time)
Subject: [Tkinter-discuss] Refresh loop
Message-ID: <443BD31D.000005.03768@CIKOTA-TM4U7QQ2>

 Hello,

I'm writing a software for our future robotic telescope in Python and
started to make the GUI.
I'm beginner in Tkiner and have a easy question. How to refresh this loop
(and print the time) every 
second?



Here the code:


from Tkinter import *
import win32com.client
Scope = win32com.client.dynamic.Dispatch('ScopeSim.Telescope')
root=Tk()

Label(root, text=Scope.SiderealTime).grid(row=0, sticky=W)

root.mainloop()


-----
Scope.SiderealTime is LST from a telescope simulator, but it is only an
exemple. You can also use system time for explaining.


Thank You!

Regards,
Aleksandar

 
 
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From klappnase at web.de  Tue Apr 11 18:16:08 2006
From: klappnase at web.de (Michael Lange)
Date: Tue, 11 Apr 2006 18:16:08 +0200
Subject: [Tkinter-discuss] optionmenu question
In-Reply-To: <d4c0d4800604110806j53b68910v585db2ce8636f688@mail.gmail.com>
References: <e1foc8$sm2$1@sea.gmane.org>
	<d4c0d4800604110806j53b68910v585db2ce8636f688@mail.gmail.com>
Message-ID: <20060411181608.087f40b7.klappnase@web.de>

On Tue, 11 Apr 2006 09:06:33 -0600
"Stewart Midwinter" <stewart.midwinter at gmail.com> wrote:

> On 4/11/06, Jan Filip Tristan <blenderkid at web.de> wrote:
> > Hello,
> > I have got a problem.I've got a List and I want to have everything in this
> > List as an own OptionMenu piece.
> 
> from Tkinter import *
> import Pmw
> root=Tk()
> Pmw.initialise()
> var = StringVar()
> var.set('Quanitity Surveyor')
> opt_menu = Pmw.OptionMenu(root,labelpos=W,
>     label_text='Choose Profession',
>     menubutton_textvariable=var,
>     items=('Stockbrocker','Quantity Surveyor','Church Warden','BRM'),
>     menubutton_width = 16)
> opt_menu.pack(anchor=W, padx=20, pady=30)
> root.mainloop()
> 

Or in plain Tkinter:

>>> from Tkinter import *
>>> fruits = ['apple', 'banana', 'cherry', 'strawberry']
>>> root = Tk()
>>> s = StringVar()
>>> s.set('banana')
>>> o = OptionMenu(root, s, *fruits)
>>> o.pack()

Michael

From klappnase at web.de  Tue Apr 11 18:27:44 2006
From: klappnase at web.de (Michael Lange)
Date: Tue, 11 Apr 2006 18:27:44 +0200
Subject: [Tkinter-discuss] Refresh loop
In-Reply-To: <443BD31D.000005.03768@CIKOTA-TM4U7QQ2>
References: <443BD31D.000005.03768@CIKOTA-TM4U7QQ2>
Message-ID: <20060411182744.757d28f7.klappnase@web.de>

On Tue, 11 Apr 2006 18:02:37 +0200 (Central European Daylight Time)
"Aleksandar Cikota" <alexci at gmx.net> wrote:

>  Hello,
> 
> I'm writing a software for our future robotic telescope in Python and
> started to make the GUI.
> I'm beginner in Tkiner and have a easy question. How to refresh this loop
> (and print the time) every 
> second?
> 
> 
> 
> Here the code:
> 
> 
> from Tkinter import *
> import win32com.client
> Scope = win32com.client.dynamic.Dispatch('ScopeSim.Telescope')
> root=Tk()
> 
> Label(root, text=Scope.SiderealTime).grid(row=0, sticky=W)
> 
> root.mainloop()
> 
> 
> -----
> Scope.SiderealTime is LST from a telescope simulator, but it is only an
> exemple. You can also use system time for explaining.
> 

Hi Aleksandar,

the easiest way is to define a callback and use after() to periodically invoke it:

from Tkinter import *
import win32com.client
Scope = win32com.client.dynamic.Dispatch('ScopeSim.Telescope')
root=Tk()
label = Label(root, text=Scope.SiderealTime)
label.grid(row=0, sticky=W)

def update_label():
    label.config(text=Scope.SiderealTime)
    label.after(1000, update_label)

label.after(1000, update_label)

The time after which the next call to update_label() occurs (1000 ms here) is not exact however,
so the interval to be used depends on your needs; I have used an interval of 250 ms for a
"digital clock" widget that displays full seconds and it looks good enough to me, but if you look close
you may find that some "second" takes longer than the others.

HTH

Michael


From tkinter-user at gbeckers.nl  Thu Apr 13 00:16:56 2006
From: tkinter-user at gbeckers.nl (gabriel)
Date: Thu, 13 Apr 2006 00:16:56 +0200
Subject: [Tkinter-discuss] create and delete canvas items / memory
Message-ID: <200604130016.57243.tkinter-user@gbeckers.nl>

Hi,

I am writing an application where I create and delete a lot of canvas items.
I use Snack ( http://www.speech.kth.se/snack/ ) to create the canvas items, 
which are spectrograms of short sounds.

Each time I delete all canvas items (spectrograms) and recreate the very same 
series of items, memory usage is higher than it was before, while I assume it 
should be the same. Doing this many times creates memory problems. I do not 
bind anything to the items. Deleting the items does reduce the memory 
consumption for a large part, but apparently not completely. Destroying the 
canvas, and then make a new one does not solve the problem.

I use python 2.4.2 on Ubuntu Linux (Breezy). Snack 2.2.10.

Any ideas about where the memory of deleted canvas items is going would be 
very much appreciated. And a solution even more!

Thanks,
Gabriel

From jepler at unpythonic.net  Thu Apr 13 02:52:07 2006
From: jepler at unpythonic.net (Jeff Epler)
Date: Wed, 12 Apr 2006 19:52:07 -0500
Subject: [Tkinter-discuss] create and delete canvas items / memory
In-Reply-To: <200604130016.57243.tkinter-user@gbeckers.nl>
References: <200604130016.57243.tkinter-user@gbeckers.nl>
Message-ID: <20060413005206.GA11045@unpythonic.net>

I've never used snack.  However, I wrote a program which repeatedly
creates and then destroyes 1000 "line" objects on a canvas:
#-----------------------------------------------------------------------
def main():
    import Tkinter
    t = Tkinter.Canvas()
    t.pack()
    while 1:
        for i in range(1000):
            t.create_line((0, i, i, 100))
        t.update()
        t.delete("all")
main()
#-----------------------------------------------------------------------
The "VIRT" column in top stabalizes at 18976.

I'm using the same system as you -- Ubuntu Breezy.

IMO this points a finger at something inside snack.

Jeff

From tkinter-user at gbeckers.nl  Thu Apr 13 08:40:21 2006
From: tkinter-user at gbeckers.nl (gabriel)
Date: Thu, 13 Apr 2006 08:40:21 +0200
Subject: [Tkinter-discuss] create and delete canvas items / memory
In-Reply-To: <20060413005206.GA11045@unpythonic.net>
References: <200604130016.57243.tkinter-user@gbeckers.nl>
	<20060413005206.GA11045@unpythonic.net>
Message-ID: <200604130840.21463.tkinter-user@gbeckers.nl>

Thanks Jeff, for the reply. Your program stabilizes around the same value on 
my machine, so indeed it is likely something in Snack. Too bad, I really like 
this toolbox. I'll try to contact the author, and perhaps in the meantime 
look for an other solution.

All best, Gabriel

From blenderkid at web.de  Fri Apr 14 12:23:19 2006
From: blenderkid at web.de (Jan Filip Tristan)
Date: Fri, 14 Apr 2006 12:23:19 +0200
Subject: [Tkinter-discuss] frame fixed size
Message-ID: <e1npfd$b2f$1@sea.gmane.org>

Hi,

I've got a easy problem, I want to have a fixed size of a grided 
Frameobject.

TIA,
Filip


From jepler at unpythonic.net  Fri Apr 14 14:05:52 2006
From: jepler at unpythonic.net (Jeff Epler)
Date: Fri, 14 Apr 2006 07:05:52 -0500
Subject: [Tkinter-discuss] frame fixed size
In-Reply-To: <e1npfd$b2f$1@sea.gmane.org>
References: <e1npfd$b2f$1@sea.gmane.org>
Message-ID: <20060414120552.GB19540@unpythonic.net>

If you want a frame to have a fixed size, regardless of its contents,
then you have to make one of the following method calls:
    f.pack_propagate(False)
or
    f.grid_propagate(False)
depending on whether its contents are positioned with .pack() or with
.grid().

The normal behavior (propagate is True) causes the frame to request a
size that reflects what the children request.  When propagate is false,
the frame uses its width= and height= as the requested size.

Jeff

From shussai2 at yahoo.com  Mon Apr 17 19:37:32 2006
From: shussai2 at yahoo.com (Sajjad Hussain)
Date: Mon, 17 Apr 2006 10:37:32 -0700 (PDT)
Subject: [Tkinter-discuss] Problem with PSDraw in PIL when trying to print
Message-ID: <20060417173732.85361.qmail@web36802.mail.mud.yahoo.com>

Hi,

I am trying to follow the Postscript print example in
PIL. So I am using PSDraw to create a new ps file from
a jpeg. I have ghostview installed, so I can view the
resulting ps file (when it is produced successfully).

Example from PIL Manual:

import Image, PSDraw
im = Image.open('lena.jpg').convert('L')
box = (1*72, 2*72, 7*72, 10*72)
outfp = open('lena.ps','w')
ps = PSDraw.PSDraw(outfp)
ps.begin_document()
ps.image(box,im,72)
ps.rectangle(box)
ps.end_document()


Now when I try to open up the lena.ps (that should
contain the lena.jpg) in ghostview, I get Error:
undefined gsize. However when I change the gsize to
gsave in the lena.ps, the file loads up. Snippet of
the actual code is show below:

%%EndProlog
gsize ------------------> change this to gsave
240.000000 384.000000 translate
0.960000 0.960000 scale
gsave


I don't know why it is happening. Can you please tell
me another solution instead of changing a line
manually.

I just need to print a jpeg file. Is there any way
else to do this. So basically I have an image in a
folder, I open it and send it to a printer. 

Please let me know if you guys know anything.

Regards,

Sajjad 

__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com 

From fredrik at pythonware.com  Mon Apr 17 20:23:10 2006
From: fredrik at pythonware.com (Fredrik Lundh)
Date: Mon, 17 Apr 2006 20:23:10 +0200
Subject: [Tkinter-discuss] Problem with PSDraw in PIL when trying to
	print
References: <20060417173732.85361.qmail@web36802.mail.mud.yahoo.com>
Message-ID: <e20meg$4h7$1@sea.gmane.org>

Sajjad Hussain wrote:

> %%EndProlog
> gsize ------------------> change this to gsave
> 240.000000 384.000000 translate
> 0.960000 0.960000 scale
> gsave
>
>
> I don't know why it is happening. Can you please tell
> me another solution instead of changing a line
> manually.

it's a known bug in PIL 1.1.4 and earlier.  I suggest upgrading to 1.1.5.

</F>




From K.Wong at lboro.ac.uk  Tue Apr 18 15:11:17 2006
From: K.Wong at lboro.ac.uk (Casey Wong Kam Shun)
Date: Tue, 18 Apr 2006 14:11:17 +0100
Subject: [Tkinter-discuss] tkdnd installation
Message-ID: <1145365877.4444e57527741@staff-webmail.lboro.ac.uk>

Hi,

I am learning how to use tkdnd and would appreciate if someone could let me
know how to install tkdnd?  I know there is installation instruction but it
is not clear for a novice like me.  For example what should I do with the
libtkdnd.dll ( and the binary one-- libtkdnd10.dll) file?  Many thanks

regards
Casey Wong

From klappnase at web.de  Thu Apr 20 11:02:21 2006
From: klappnase at web.de (Michael Lange)
Date: Thu, 20 Apr 2006 11:02:21 +0200
Subject: [Tkinter-discuss] tkdnd installation
In-Reply-To: <1145365877.4444e57527741@staff-webmail.lboro.ac.uk>
References: <1145365877.4444e57527741@staff-webmail.lboro.ac.uk>
Message-ID: <20060420110221.59f3a6db.klappnase@web.de>

On Tue, 18 Apr 2006 14:11:17 +0100
Casey Wong Kam Shun <K.Wong at lboro.ac.uk> wrote:

> Hi,
> 
> I am learning how to use tkdnd and would appreciate if someone could let me
> know how to install tkdnd?  I know there is installation instruction but it
> is not clear for a novice like me.  For example what should I do with the
> libtkdnd.dll ( and the binary one-- libtkdnd10.dll) file?  Many thanks
> 

Hi Casey,

I have not used the windows version yet, but I think you should copy the folder
that contains the dlls into your tcl folder, so that you get something like

   C:\Python24\tcl\tkdnd1.0\libtkdnd10.dll

HTH

Michael

From K.Wong at lboro.ac.uk  Fri Apr 21 09:41:19 2006
From: K.Wong at lboro.ac.uk (Casey Wong Kam Shun)
Date: Fri, 21 Apr 2006 08:41:19 +0100
Subject: [Tkinter-discuss] question regarding TkinterDnD and tkDnD
Message-ID: <1145605279.44488c9f62c21@staff-webmail.lboro.ac.uk>

Hi Michael,

First of all thanks for your reply in the Tkinter-discuss forum.  I am using
the TkinterDnD for a project of mine. I have the newest tkdnd
installed in the newest Tcl\lib folder (activestate Tcl, it is installed in
c:\Tcl), and I have followed the instruction to copy the TkinterDnD folder
into the Python*\lib\site-packages folder.  I am using Xp pro sp2 and
python 2.2.3.  I have also put the tkdnd unzipped folder into the
python22\tcl folder.  I would appreciate it if you could let me know what
could have caused the following error when I run the dnddemo.py:


TclError Exception in Tk callback
  Function: <function runScriptCommand at 0x019CA610> (type: <type
'function'>)
  Args: ()
Traceback (innermost last):
  File "C:\Program Files\Leo\extensions\Pmw\Pmw_1_2\lib\PmwBase.py", line
1752, in __call__
    return apply(self.func, args)
  File "C:\Program Files\Leo\plugins\mod_scripting.py", line 333, in
runScriptCommand
    c.executeScript(c.currentPosition(),useSelectedText=True,silent=True)
  File "C:\Program Files\Leo\src\leoCommands.py", line 1316, in
executeScript
    exec script in d
  File "<string>", line 8, in ?
    None
  File "C:\Program Files\Visual Components\Python
2.2\Lib\site-packages\TkinterDnD\TkinterDnD.py", line 352, in __init__
    self.TkdndVersion = _require(self)
  File "C:\Program Files\Visual Components\Python
2.2\Lib\site-packages\TkinterDnD\TkinterDnD.py", line 333, in _require
    tkdndver = tkroot.tk.call('package', 'require', 'tkdnd')
TclError: can't find package tkdnd

Many thanks for your help


best regards
Casey Wong





From klappnase at web.de  Fri Apr 21 12:31:55 2006
From: klappnase at web.de (Michael Lange)
Date: Fri, 21 Apr 2006 12:31:55 +0200
Subject: [Tkinter-discuss] question regarding TkinterDnD and tkDnD
In-Reply-To: <1145605279.44488c9f62c21@staff-webmail.lboro.ac.uk>
References: <1145605279.44488c9f62c21@staff-webmail.lboro.ac.uk>
Message-ID: <20060421123155.34983dda.klappnase@web.de>

On Fri, 21 Apr 2006 08:41:19 +0100
Casey Wong Kam Shun <K.Wong at lboro.ac.uk> wrote:

> First of all thanks for your reply in the Tkinter-discuss forum.  I am using
> the TkinterDnD for a project of mine. I have the newest tkdnd
> installed in the newest Tcl\lib folder (activestate Tcl, it is installed in
> c:\Tcl), and I have followed the instruction to copy the TkinterDnD folder
> into the Python*\lib\site-packages folder.  I am using Xp pro sp2 and
> python 2.2.3.  I have also put the tkdnd unzipped folder into the
> python22\tcl folder.  I would appreciate it if you could let me know what
> could have caused the following error when I run the dnddemo.py:
> 
> 
> TclError Exception in Tk callback
>   Function: <function runScriptCommand at 0x019CA610> (type: <type
> 'function'>)
>   Args: ()
> Traceback (innermost last):
>   File "C:\Program Files\Leo\extensions\Pmw\Pmw_1_2\lib\PmwBase.py", line
> 1752, in __call__
>     return apply(self.func, args)
>   File "C:\Program Files\Leo\plugins\mod_scripting.py", line 333, in
> runScriptCommand
>     c.executeScript(c.currentPosition(),useSelectedText=True,silent=True)
>   File "C:\Program Files\Leo\src\leoCommands.py", line 1316, in
> executeScript
>     exec script in d
>   File "<string>", line 8, in ?
>     None
>   File "C:\Program Files\Visual Components\Python
> 2.2\Lib\site-packages\TkinterDnD\TkinterDnD.py", line 352, in __init__
>     self.TkdndVersion = _require(self)
>   File "C:\Program Files\Visual Components\Python
> 2.2\Lib\site-packages\TkinterDnD\TkinterDnD.py", line 333, in _require
>     tkdndver = tkroot.tk.call('package', 'require', 'tkdnd')
> TclError: can't find package tkdnd
> 

Hi Casey,

this is obviously a Tcl problem, Tcl still cannot find tkdnd.
I just tried and downloaded libtkdnd10.zip from sourceforge, which seems to be the latest windows binary,
and it did not work for me either (not sure if this is the same as you have, it contains only
a single dll file).
I have also tried an older version (tkdnd-1.0a2) which "works" partially, i.e. the demo windows
appear, however drag and drop does not work. I think the difference is that this one contains a pkgIndex.tcl
file which was missing from the other release. Maybe the problem here was that it is compiled against a different
version of Tk than mine (on linux however the precompiled binary works well with different version of Tcl/Tk).

A "desperate" try might be to install snackAmp (<http://snackamp.sourceforge.net>) which comes with tkdnd (at least the linux version)
and see if you can copy the tkdnd libs from there into your python installation (I have not tried this though).

Maybe one of the Tcl gurus here knows more than me. 
If no one from tkinter-discuss can help maybe you should contact the author or try on a tcl forum.

Sorry

Michael

From v_noroozi64 at yahoo.com  Sat Apr 22 14:58:32 2006
From: v_noroozi64 at yahoo.com (Vahid Noroozi)
Date: Sat, 22 Apr 2006 05:58:32 -0700 (PDT)
Subject: [Tkinter-discuss] select.poll()
Message-ID: <20060422125832.56852.qmail@web31609.mail.mud.yahoo.com>

   hello,
in windows python select module doesn't suppport poll()
i wanted to know if it is possible to implement poll function by using select.select() function in windows.

		
---------------------------------
Yahoo! Mail goes everywhere you do.  Get it on your phone.
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From fredrik at pythonware.com  Sat Apr 22 15:12:16 2006
From: fredrik at pythonware.com (Fredrik Lundh)
Date: Sat, 22 Apr 2006 15:12:16 +0200
Subject: [Tkinter-discuss] select.poll()
References: <20060422125832.56852.qmail@web31609.mail.mud.yahoo.com>
Message-ID: <e2da3i$j64$1@sea.gmane.org>

Vahid Noroozi wrote:

> in windows python select module doesn't suppport poll()
> i wanted to know if it is possible to implement poll function
> by using select.select() function in windows.

this is a Tkinter-specific list, and general Python questions don't really
belong here.  I suggest that you repost it to a general Python support
list; see

    http://www.python.org/about/help/
    http://www.python.org/community/lists/#clp

</F>




From geon at post.cz  Mon Apr 24 18:24:38 2006
From: geon at post.cz (Pavel Kosina)
Date: Mon, 24 Apr 2006 18:24:38 +0200
Subject: [Tkinter-discuss] buttonpress
Message-ID: <444CFBC6.9030602@post.cz>

Hi,

I am not sure, if I do understand perfectly what is written in 
http://effbot.org/tkinterbook/tkinter-events-and-bindings.htm :

When you press down a mouse button over a widget, Tkinter will 
automatically "grab" the mouse pointer, and mouse events will then be 
sent to the current widget as long as the mouse button is held down.

Seems to me that mouse event is sent to to widget only once, not all 
time untill I release the button. The callback function is proceed only 
once with me.

Thank you

-- 
Pavel Kosina


From camfarnell at cogeco.ca  Mon Apr 24 19:29:04 2006
From: camfarnell at cogeco.ca (Cam)
Date: Mon, 24 Apr 2006 13:29:04 -0400
Subject: [Tkinter-discuss] Rapyd-Tk release 0.0.0
Message-ID: <444D0AE0.1060309@cogeco.ca>

Hello Tkinter fans,

The first release of Rapyd-Tk, an open source, graphical design 
environment for use with Python and Tkinter is now available at:

	http://home.cogeco.ca/~rapyd

Rapyd-Tk is licensed under the GPL version 2.

Please note that this is an *alpha* release (which around here at least 
means a pre-pre-release of brand new code). Although hundreds of hours 
of testing have gone into this there are certainly bugs remaining, 
particularly as it is used on lots of systems. I only have Linux boxes 
so all testing had been done on Linux although I believe it should work 
on that other operating system as well.

Have fun :)

Cam Farnell

From stewart.midwinter at gmail.com  Mon Apr 24 19:45:06 2006
From: stewart.midwinter at gmail.com (Stewart Midwinter)
Date: Mon, 24 Apr 2006 11:45:06 -0600
Subject: [Tkinter-discuss] Rapyd-Tk release 0.0.0
In-Reply-To: <444D0AE0.1060309@cogeco.ca>
References: <444D0AE0.1060309@cogeco.ca>
Message-ID: <d4c0d4800604241045q4e2f2cbbvac12c9665d087952@mail.gmail.com>

Finally, a GUI designer for Tkinter and Pmw!

this is huge - thanks so much for taking on the challenge.  I've only
looked at the screenshots so far, but this should definitely make it
easier for beginners to get started.

cheers
Stewart in Calgary

From jepler at unpythonic.net  Mon Apr 24 21:42:26 2006
From: jepler at unpythonic.net (Jeff Epler)
Date: Mon, 24 Apr 2006 14:42:26 -0500
Subject: [Tkinter-discuss] buttonpress
In-Reply-To: <444CFBC6.9030602@post.cz>
References: <444CFBC6.9030602@post.cz>
Message-ID: <20060424194225.GA16935@unpythonic.net>

Consider the following program:

def print_event(evt):
    print "Event at", evt.x, evt.y
    
from Tkinter import *
b = Button()
b.pack()
b.bind("<B1-Motion>", print_event)
b.mainloop()

Click inside the button, then move the mouse around, including outside the area
of the button.  You'll continue to see the message "Event at ..." printed as
long as the mouse continues moving, until you release the button.

Jeff

From stewart.midwinter at gmail.com  Mon Apr 24 22:43:15 2006
From: stewart.midwinter at gmail.com (Stewart Midwinter)
Date: Mon, 24 Apr 2006 14:43:15 -0600
Subject: [Tkinter-discuss] buttonpress
In-Reply-To: <20060424194225.GA16935@unpythonic.net>
References: <444CFBC6.9030602@post.cz> <20060424194225.GA16935@unpythonic.net>
Message-ID: <d4c0d4800604241343v486ae380g8b24d1efa6c6ede9@mail.gmail.com>

On 4/24/06, Jeff Epler <jepler at unpythonic.net> wrote:
> Click inside the button, then move the mouse around, including outside the area
> of the button.  You'll continue to see the message "Event at ..." printed as
> long as the mouse continues moving, until you release the button.

heh, that keeps recording coordinates even when you move entirely to
the far end of the desktop.  Handy feature for telling if you are
within bounds on a graphic app for instance.

cheers
S

From geon at post.cz  Tue Apr 25 18:41:27 2006
From: geon at post.cz (Pavel Kosina)
Date: Tue, 25 Apr 2006 18:41:27 +0200
Subject: [Tkinter-discuss] buttonpress
In-Reply-To: <d4c0d4800604241343v486ae380g8b24d1efa6c6ede9@mail.gmail.com>
References: <444CFBC6.9030602@post.cz> <20060424194225.GA16935@unpythonic.net>
	<d4c0d4800604241343v486ae380g8b24d1efa6c6ede9@mail.gmail.com>
Message-ID: <444E5137.2060805@post.cz>

Stewart Midwinter napsal(a):
> On 4/24/06, Jeff Epler <jepler at unpythonic.net> wrote:
>   
>> Click inside the button, then move the mouse around, including outside the area
>> of the button.  You'll continue to see the message "Event at ..." printed as
>> long as the mouse continues moving, until you release the button.
>>     
>
> heh, that keeps recording coordinates even when you move entirely to
> the far end of the desktop.  Handy feature for telling if you are
> within bounds on a graphic app for instance.
>
>   
Unfortunately not with me. This piece of code doesnt work as you wrote 
and/or is described in the link I sent before. (it is about  <Button-1> 
..) :

from Tkinter import *

root = Tk()

def callback(event):
    frame.focus_set()
    print "clicked at", event.x, event.y

frame = Frame(root, width=100, height=100)
frame.bind("<Button-1>", callback)
frame.pack()

root.mainloop()

-- 
Pavel Kosina

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From stewart.midwinter at gmail.com  Tue Apr 25 18:57:44 2006
From: stewart.midwinter at gmail.com (Stewart Midwinter)
Date: Tue, 25 Apr 2006 10:57:44 -0600
Subject: [Tkinter-discuss] buttonpress
In-Reply-To: <444E5137.2060805@post.cz>
References: <444CFBC6.9030602@post.cz> <20060424194225.GA16935@unpythonic.net>
	<d4c0d4800604241343v486ae380g8b24d1efa6c6ede9@mail.gmail.com>
	<444E5137.2060805@post.cz>
Message-ID: <d4c0d4800604250957l26acc95dr6c5cbf6b61fc465a@mail.gmail.com>

Pavel, what operating system are you on, and what version of Python,
and what version of Tcl/Tk?

Also note that to see the code work, you need to click on the button
itself, which might be a bit hard as it is quite narrow.  To make the
button wider, give it some text.  Also note that the events will be
printed in a console window, not in the application itself.

Below a version of Jeff's test app that shows the events in the
application itself, in a label.

On 4/25/06, Pavel Kosina <geon at post.cz> wrote:

>  Unfortunately not with me. This piece of code doesnt work as you wrote
> and/or is described in the link I sent before. (it is about  <Button-1> ..)

---
#mouseevent.py
from Tkinter import *

root = Tk()
myEvent = StringVar()
myEvent.set('no event yet')

def print_event(evt):
   msg = "Event at", evt.x, evt.y
   print msg
   myEvent.set(msg)

b = Button(root, text="Press here!")
b.pack()

l = Label(root, textvariable=myEvent,text=myEvent.get() )
l.pack()
b.bind("<B1-Motion>", print_event)
b.mainloop()

From geon at post.cz  Tue Apr 25 19:09:49 2006
From: geon at post.cz (geon)
Date: Tue, 25 Apr 2006 19:09:49 +0200
Subject: [Tkinter-discuss] buttonpress
In-Reply-To: <d4c0d4800604250957l26acc95dr6c5cbf6b61fc465a@mail.gmail.com>
References: <444CFBC6.9030602@post.cz> <20060424194225.GA16935@unpythonic.net>	
	<d4c0d4800604241343v486ae380g8b24d1efa6c6ede9@mail.gmail.com>	
	<444E5137.2060805@post.cz>
	<d4c0d4800604250957l26acc95dr6c5cbf6b61fc465a@mail.gmail.com>
Message-ID: <444E57DD.7050801@post.cz>

Stewart Midwinter napsal(a):
> Pavel, what operating system are you on, and what version of Python,
> and what version of Tcl/Tk?
>
>   
w2000, py2.4, tcl that shipped with py
> Also note that to see the code work, you need to click on the button
> itself, which might be a bit hard as it is quite narrow.  To make the
> button wider, give it some text.  Also note that the events will be
> printed in a console window, not in the application itself.
>   
yes, the problem is as  I had in mind - you code is about <B1-Motion>
but my code (and that link
http://effbot.org/tkinterbook/tkinter-events-and-bindings.htm )  is
about <Button-1> event....


-- 
Pavel Kosina



From fredrik at pythonware.com  Tue Apr 25 21:09:14 2006
From: fredrik at pythonware.com (Fredrik Lundh)
Date: Tue, 25 Apr 2006 21:09:14 +0200
Subject: [Tkinter-discuss] buttonpress
References: <444CFBC6.9030602@post.cz>
	<20060424194225.GA16935@unpythonic.net>	<d4c0d4800604241343v486ae380g8b24d1efa6c6ede9@mail.gmail.com>	<444E5137.2060805@post.cz><d4c0d4800604250957l26acc95dr6c5cbf6b61fc465a@mail.gmail.com>
	<444E57DD.7050801@post.cz>
Message-ID: <e2ls4s$g94$1@sea.gmane.org>

"geon" <geon at post.cz> wrote:

> yes, the problem is as  I had in mind - you code is about <B1-Motion>
> but my code (and that link
> http://effbot.org/tkinterbook/tkinter-events-and-bindings.htm )  is
> about <Button-1> event....

no, it's not.  it says that "mouse events" are grabbed by the widget for
as long as the button is held down, not that you'll get more click events
without clicking.

I've changed the text to make this more obvious.

</F>




From esj at harvee.org  Thu Apr 27 00:48:10 2006
From: esj at harvee.org (Eric S. Johansson)
Date: Wed, 26 Apr 2006 18:48:10 -0400
Subject: [Tkinter-discuss] active icons with drag-and-drop
Message-ID: <e2otb2$rv0$1@sea.gmane.org>

I'm trying a user interface experiment.  the first step involves 
dragging and dropping from one application onto an icon.  subsequent 
steps will involve playing with the clipboard, icon changes, single 
click, double click as well as press and hold for a menu.

is this something one can do with tkinter without a large amount of 
complexity or would I be better off looking at other toolkits including 
native kits?

many thanks

---eric


From klappnase at web.de  Thu Apr 27 11:27:58 2006
From: klappnase at web.de (Michael Lange)
Date: Thu, 27 Apr 2006 11:27:58 +0200
Subject: [Tkinter-discuss] active icons with drag-and-drop
In-Reply-To: <e2otb2$rv0$1@sea.gmane.org>
References: <e2otb2$rv0$1@sea.gmane.org>
Message-ID: <20060427112758.092efc8f.klappnase@web.de>

On Wed, 26 Apr 2006 18:48:10 -0400
"Eric S. Johansson" <esj at harvee.org> wrote:

> I'm trying a user interface experiment.  the first step involves 
> dragging and dropping from one application onto an icon.  subsequent 
> steps will involve playing with the clipboard, icon changes, single 
> click, double click as well as press and hold for a menu.
> 
> is this something one can do with tkinter without a large amount of 
> complexity or would I be better off looking at other toolkits including 
> native kits?
> 

Hi Eric,

there is no built-in drag and drop support in Tk (I assume you mean to drag e.g. a filename
to an icon on the windows desktop). If you want to do so, you need
the tkdnd extension for Tk (not to be confused with python's Tkdnd module), which
adds native drag and drop support for windows and unix platforms:
    <http://sourceforge.net/projects/tkdnd>
and its python wrapper :
    <http://www.8ung.at/klappnase/TkinterDnD/TkinterDnD.html> .

Please note that the TkinterDnD module was written for tkdnd-1.0, not the brand new tkdnd-2,
which appears to be incompatible with the older release. According to a message on
    <http://groups.google.com/group/comp.lang.tcl/browse_thread/thread/37c43ef2aeb2de18/d2d03a79b955f3d4?lnk=st&q=tkdnd&rnum=4#d2d03a79b955f3d4>

it might work anyway, but I have not done any testing on this yet. Some recent postings on comp.lang.tcl say that tkdnd-2 seems
to be better than tkdnd-1.0, so it might be worth a try.

There are also some issues installing tkdnd-1.0 on windows, because of a missing pkgIndex.tcl file in the distribution,
    <http://groups.google.com/group/comp.lang.tcl/browse_thread/thread/51ee2489273360d/b1b0e7df053c5b7c?lnk=st&q=tkdnd&rnum=8#b1b0e7df053c5b7c>
shows how to fix this.


The other things you mentioned should not be too hard (though I am not really sure what you mean by
"icon changes" and "press and hold for a menu").

Regards

Michael


From Ilknur.Ozturk at cabot.com.tr  Fri Apr 28 12:01:27 2006
From: Ilknur.Ozturk at cabot.com.tr (Ilknur Ozturk)
Date: Fri, 28 Apr 2006 13:01:27 +0300
Subject: [Tkinter-discuss] changing button functionality
Message-ID: <79CD3DAD56583A4298D4941761CF687A411C4D@cabottrexch.cabot.local>

I put a button (button1) and want that the user can change the function
called when it is clicked. I planned such a way to realize this. The
first click of it will open a new window and the user will enter a key
in an entry. When he confirms it by pressing OK button, the button1 will
be directed to a new function which gets the entry content as a
parameter. Then the button1 will always call that function.

 

If I can use if statement to determine the which function will be called
when the button presses, it will be very helpful. Then I can call any
function by checking the button's attributes with if statement. If it is
not possible, how can I realize such an aim. If we can use if statement
for button's command option, can you give me an example?

 

Thanks,

 

ilknur

 



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From stewart.midwinter at gmail.com  Fri Apr 28 15:25:34 2006
From: stewart.midwinter at gmail.com (Stewart Midwinter)
Date: Fri, 28 Apr 2006 07:25:34 -0600
Subject: [Tkinter-discuss] changing button functionality
In-Reply-To: <79CD3DAD56583A4298D4941761CF687A411C4D@cabottrexch.cabot.local>
References: <79CD3DAD56583A4298D4941761CF687A411C4D@cabottrexch.cabot.local>
Message-ID: <d4c0d4800604280625x2e417269p2a358b8180c2e84d@mail.gmail.com>

On 4/28/06, Ilknur Ozturk <Ilknur.Ozturk at cabot.com.tr> wrote:
> If I can use if statement to determine the which function will be called
> when the button presses, it will be very helpful. Then I can call any
> function by checking the button's attributes with if statement. If it is not
> possible, how can I realize such an aim. If we can use if statement for
> button's command option, can you give me an example?

Marhava, Ilknur-bey:

In tkinter program, it will be helpful to think about states rather
than conditions, since the GUI is event-driven.  So instead of an if
statement 'per se', think of telling the application whether you are
in an initial state or a subsequent state.

Here's a little app that accomplishes what you are after.  The app
also illustrates some elements of good Tkinter program design practice
(at least, as far as I understand them!) :-)

cheers,
Stewart
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From esj at harvee.org  Sun Apr 30 05:09:03 2006
From: esj at harvee.org (Eric S. Johansson)
Date: Sat, 29 Apr 2006 23:09:03 -0400
Subject: [Tkinter-discuss] active icons with drag-and-drop
In-Reply-To: <20060427112758.092efc8f.klappnase@web.de>
References: <e2otb2$rv0$1@sea.gmane.org>
	<20060427112758.092efc8f.klappnase@web.de>
Message-ID: <44542A4F.4000609@harvee.org>

my apologies for the long delayed response.

Michael Lange wrote:
> there is no built-in drag and drop support in Tk (I assume you mean
> to drag e.g. a filename to an icon on the windows desktop). If you
> want to do so, you need the tkdnd extension for Tk (not to be
> confused with python's Tkdnd module), which adds native drag and drop
> support for windows and unix platforms: 
> <http://sourceforge.net/projects/tkdnd> and its python wrapper : 
> <http://www.8ung.at/klappnase/TkinterDnD/TkinterDnD.html> .

your assumption is correct.  I want to try to an icon on the desktop.
It sounds like that may be tkinter is not the way to go and that I would
be better off building my own framework (when I have copious spare time)
since what I want to do is relatively simple.


> The other things you mentioned should not be too hard (though I am
> not really sure what you mean by "icon changes" and "press and hold
> for a menu").

what I was interested in playing with was a user interface concept I 
call "transformative icons".  Specifically, you can drag-and-drop data 
from one application to the icon, the icon attached program changes it 
into some other form and clicking the icon place at the data into the 
clipboard so you can paste it somewhere else.  Other variants include 
pressing and holding the icon to display a menu of options of 
transformation or double-clicking to bring up menus for controlling 
properties for the default transformation.

I see this tool as a way of making uncooperative applications cooperate. 
  There are a series of data transformation tools available on different 
platforms but they count on both applications cooperating in using the 
same protocol and quite frankly, that just doesn't happen in the real world.

this all came out of my trying to figure out how to return e-mail 
messages back to a remote anti-spam engine.  Writing plug-ins for every 
e-mail client on the face of the planet just doesn't work.  Hell, just 
writing plug-ins for Thunderbird is a crap shoot.  Outlook is just plain 
impossible.  So the bright idea was drag the message to an icon and have 
the icon act as a data sink redirecting the message to the anti-spam server.

anyway, thanks for the assistance.

---eric