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tcl /tk on cygwin + mouse wheel event


Alejandro,

I try something else:

#---- tcl program starts here
% proc foo { args } { puts "foo" }
% bind . "<Button-1>" foo
#----

This gives me an Error: unknown option "-state". Here is the log file

unknown option "-state"
unknown option "-state"
    while executing
"$w cget -state"
    (procedure "tk::ButtonEnter" line 3)
    invoked from within
"tk::ButtonEnter .
"
    (command bound to event)


I try searching for this on the internet and it appears as a tcl/tk mismatch version. As I said before I completely remove the c:\cygwin directory and reinstall the tcltk package.


Comments/suggestions *really* welcome

Thanks a bunch
Mathieu




Mathieu Malaterre wrote:


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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