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Message-ID: <40254F62.8060409@nycap.rr.com>
Date: Sat, 07 Feb 2004 15:49:38 -0500
From: Mathieu Malaterre <mmalater AT nycap DOT rr DOT com>
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To: Alejandro Lopez-Valencia <dradul AT etb DOT net DOT co>
CC: cygwin AT cygwin DOT com
Subject: Re: tcl /tk on cygwin + mouse wheel event
References: <4024228E DOT 4090007 AT nycap DOT rr DOT com> <402549B4 DOT 4000204 AT nycap DOT rr DOT com>
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Alejandro,

	A few more questions. I browse through the python/lib-tk directory and 
i found that:
...
if sys.plateform == "win32":
...

But on a cygwin system sys.plateform return "cygwin". Is this a mistake 
? what does sys.plateform return on your system ?

BTW what does tcl_platform(platform) return on your sytem ?

Mathieu

Mathieu Malaterre wrote:

> Alejandro,
> 
>     [Please CC as I am not on the list]
> 
>     Your suggestion did get me a little further :) Now the python script 
> output 'foo' but I still get a seg fault (*). On the other hand the tcl 
> script didn't change, I still don't get anything. *But* if I start 
> startxwin.sh and then start:
> 
> $ wish wheel.tcl
> 
> then it works fine. The problem is that you told me it is 'Cygwin's
> Tcl/Tk is in reality a set of true *native* win32 binaries'. So why do I
> need to start X11 ?
> 
> BTW I found somebody else having difficulties with python:
> <MouseWheel> causes crash on Windows2000
> https://sourceforge.net/tracker/?func=detail&atid=105470&aid=673115&group_id=5470 
> 
> http://mail.python.org/pipermail/python-bugs-list/2003-January/015756.html
> 
> Thanks
> Mathieu
> 
> (*)
> $ gdb python
> GNU gdb 2003-09-20-cvs (cygwin-special)
> Copyright 2003 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you 
> are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i686-pc-cygwin"...(no debugging symbols
> found)...
> (gdb) r wheel.py
> Starting program: /usr/bin/python.exe wheel.py
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x00b93d59 in tcl84!Tcl_FindExecutable ()
> (gdb) bt
> #0  0x00b93d59 in tcl84!Tcl_FindExecutable ()
> #1  0x00b9289d in tcl84!Tcl_ExternalToUtfDString ()
> #2  0x00c23344 in tk84!TkpGetString ()
> #3  0x00c3a0c6 in tk84!TkBindDeadWindow ()
> #4  0x00c3973d in tk84!Tk_BindEvent ()
> #5  0x00c5e33c in tk84!TkBindEventProc ()
> #6  0x00c6b6ad in tk84!Tk_HandleEvent ()
> #7  0x00c6bdb5 in tk84!TkQueueEventForAllChildren ()
> #8  0x00bbd385 in tcl84!Tcl_ServiceEvent ()
> #9  0x00bbd666 in tcl84!Tcl_DoOneEvent ()
> #10 0x6b384a12 in tkinter!init_tkinter () from
> /usr/lib/python2.3/lib-dynload/_tkinter.dll
> #11 0x6b274bba in libpython2!PyCFunction_Call () from
> /usr/bin/libpython2.3.dll
> #12 0x6b2ae23e in libpython2!PyEval_GetFuncDesc () from
> /usr/bin/libpython2.3.dll
> #13 0x0a06952c in ?? ()
> 
> 
> 
> 
> 
> Mathieu Malaterre wrote:
> 
>> Hello,
>>     I am having some issues with mouse wheel on a cygwin system. Could 
>> any one comment on this ?
>>
>> None of these scripts work:
>> wish
>> #---- tcl program starts here
>> % proc foo { args } { puts "foo" }
>> % bind . "<MouseWheel>" foo
>> #----
>>
>> python
>> #---- python program starts here
>> def foo(event): print "foo"
>> import Tkinter
>> win = Tkinter.Tk()
>> win.bind("<MouseWheel>", foo)
>> win.mainloop()
>> #----
>>
>>
>> Is there something I should know to use catch a mouse wheel event in 
>> tk on a cygwin system. I also tried the 'unix' fashion that is say 
>> binding the Button-4 and Button-5 but still I get no result at all.
>>
>> Comments/suggestions really welcome.
>> Thanks a bunch,
>> Mathieu
>> Ps: by the way if you think this is more of a tcl/tk problem just let 
>> me know.
>>
> 
> 
> 
> 


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