R devel - Apr 2002 - Quit R by pressing button (tcltk) (PR#1475)

Full_Name: Joachim H. Strach
Version: 1.3.1
OS: Windows 98 Second Edition
Submission from: (NULL) (132.230.131.220)


I am using the tcltk package.
Error-example:
----
  library(tcltk)
  top<-tktoplevel()
  but<-tkbutton(top,text="Quit",command=function()
{q(save="no")} )
  tkpack(but)
----
then press the Quit-Button. 
On my Platform there will be a execution fault with following message:
----
RGUI verursachte einen Fehler durch eine ungültige Seite
in Modul TK83.DLL bei 0167:11450066.
Register:
EAX=8187f731 CS=0167 EIP=11450066 EFLGS=00010206
EBX=112e0000 SS=016f ESP=008dfa70 EBP=008dfa7c
ECX=43a00000 DS=016f ESI=00000000 FS=1257
EDX=43a00000 ES=016f EDI=00000001 GS=0000
Bytes bei CS:EIP:
8b 42 08 3b 45 f8 75 0a 8b 4d f4 c7 41 08 00 00 
Stapelwerte:
43a00000 0063d004 005bb094 008dfb04 114a247d 006802e4 00000000 00000000 00000000
008dfab4 00000011 0000026f 00000000 00611928 0063c864 0063c864 
----
R will be closed, but this error message is not really nice )-;  .

That's it.


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strach.joachim@web.de writes:
> Full_Name: Joachim H. Strach
> Version: 1.3.1
> OS: Windows 98 Second Edition
> Submission from: (NULL) (132.230.131.220)
> 
> 
> I am using the tcltk package.
> Error-example:
> ----
>   library(tcltk)
>   top<-tktoplevel()
>   but<-tkbutton(top,text="Quit",command=function()
{q(save="no")} )
>   tkpack(but)
> ----
> then press the Quit-Button. 
> On my Platform there will be a execution fault with following message:
> ----
> RGUI verursachte einen Fehler durch eine ungültige Seite
> in Modul TK83.DLL bei 0167:11450066.
> Register:
> EAX=8187f731 CS=0167 EIP=11450066 EFLGS=00010206
> EBX=112e0000 SS=016f ESP=008dfa70 EBP=008dfa7c
> ECX=43a00000 DS=016f ESI=00000000 FS=1257
> EDX=43a00000 ES=016f EDI=00000001 GS=0000
> Bytes bei CS:EIP:
> 8b 42 08 3b 45 f8 75 0a 8b 4d f4 c7 41 08 00 00 
> Stapelwerte:
> 43a00000 0063d004 005bb094 008dfb04 114a247d 006802e4 00000000 00000000
00000000
> 008dfab4 00000011 0000026f 00000000 00611928 0063c864 0063c864 
> ----
> R will be closed, but this error message is not really nice )-;  .
> 
> That's it.
A bug report on 1.3.1, one week before 1.5.0, is a bit late don't you
think?

I cannot check Windows versions right now, but pre-1.5.0 on Linux
doesn't crash. However, it does leave the terminal in noecho mode.

Basically, just don't do that for now... q() and probably others do
not expect to be invoked from a callback. I don't think there's a nice
alternative implementation of a quit button without blocking the
console. (By waiting for a window event or tcl variable change and
then executing q()). 

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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R 1.3.1 is rather old, but this is a bug report on Tcl/Tk, not on R.
(Notice which DLL failed!)

I get no failure on 1.4.1 nor 1.5.0pre under Windows 2000.

Please try updating your R, and perhaps also your Tcl/Tk (mine is
8.3.4.2-1, which was the latest last week).


On Mon, 22 Apr 2002 strach.joachim@web.de wrote:
> Full_Name: Joachim H. Strach
> Version: 1.3.1
> OS: Windows 98 Second Edition
> Submission from: (NULL) (132.230.131.220)
>
>
> I am using the tcltk package.
> Error-example:
> ----
>   library(tcltk)
>   top<-tktoplevel()
>   but<-tkbutton(top,text="Quit",command=function()
{q(save="no")} )
>   tkpack(but)
> ----
> then press the Quit-Button.
> On my Platform there will be a execution fault with following message:
> ----
> RGUI verursachte einen Fehler durch eine ungültige Seite
> in Modul TK83.DLL bei 0167:11450066.
> Register:
> EAX=8187f731 CS=0167 EIP=11450066 EFLGS=00010206
> EBX=112e0000 SS=016f ESP=008dfa70 EBP=008dfa7c
> ECX=43a00000 DS=016f ESI=00000000 FS=1257
> EDX=43a00000 ES=016f EDI=00000001 GS=0000
> Bytes bei CS:EIP:
> 8b 42 08 3b 45 f8 75 0a 8b 4d f4 c7 41 08 00 00
> Stapelwerte:
> 43a00000 0063d004 005bb094 008dfb04 114a247d 006802e4 00000000 00000000
00000000
> 008dfab4 00000011 0000026f 00000000 00611928 0063c864 0063c864
> ----
> R will be closed, but this error message is not really nice )-;  .
>
> That's it.
>
>
>
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-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595


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