Perl/Tk: 'selection conversion left too many bytes unconverted' error on large text selection
Hi all, I've written about this before, but it's come back and I still haven't found what the problem is. Basically, in Perl/Tk if a textbox has a lot of text in it (no idea on the limit yet - all I know is that it has to be a _lot_ of text), and all the text is selected (and therefore copied to the clipboard) the entire perl process is halted, the gui disappears and the error: selection conversion left too many bytes unconverted appears on the command line. This appears to be a tcl panic error (hence the cross-post to comp.lang.tcl as I'm not sure where the problem is) if google is anything to go by. This has become a serious problem - users aren't too happy when a program crashes outright from something as simple as selecting text. Does anyone have any idea how to avoid/fix this problem? I'm using perl v5.8.7 with Perl/Tk 804.027 and wish 8.4 is installed (if that has any bearing). MB
not183
comp.lang.tcl
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Did you try the Perl/Tk group? This may be specific to Perl/Tk and not Tcl/Tk. Robert
tclguyYou know, sometimes I don't like the new Google groups as I can't see the headers without showing the "options". Sorry, after posting it was obvious that you had posted to the Perl/Tk group. Robert
"Matthew Braid" <not@invalid.invalid> wrote
>
> Basically, in Perl/Tk if a textbox has a lot of text in it (no idea on
> the limit yet - all I know is that it has to be a _lot_ of text), and
> all the text is selected (and therefore copied to the clipboard) the
> entire perl process is halted, the gui disappears and the error:
>
> selection conversion left too many bytes unconverted
Never seen that one before. But a little googling reveals this code in
TkSelPropProc in tkUnixSelect.c. Here is a snippet of the code. But I'm
not an X window or a UTF conversion guy, so I can't tell you what's really
going on here.
/*
* Encode the data using the proper format for each type.
*/
if ((formatType == XA_STRING)
|| (dispPtr && formatType==dispPtr->utf8Atom)
|| (dispPtr && formatType==dispPtr->compoundTextAtom)) {
.... much code elided ...
/*
* Preserve any left-over bytes.
*/
if (srcLen > TCL_UTF_MAX) {
Tcl_Panic("selection conversion left too many bytes unconverted");
}
Good luck,
Bob
--
Bob Techentin techentin.robert@NOSPAMmayo.edu
Mayo Foundation (507) 538-5495
200 First St. SW FAX (507) 284-9171
Rochester MN, 55901 USA http://www.mayo.edu/sppdg/
techentin.robertBob Techentin wrote:
> Never seen that one before. But a little googling reveals this code in
> TkSelPropProc in tkUnixSelect.c. Here is a snippet of the code. But I'm
> not an X window or a UTF conversion guy, so I can't tell you what's really
> going on here.
[...]
> if (srcLen > TCL_UTF_MAX) {
> Tcl_Panic("selection conversion left too many bytes unconverted");
> }
The code's figured out that something odd is going on, as the external
to internal encoding conversion engine left more bytes over than ought
to be legal (i.e. more than the maximum number of bytes that a single
character may be represented as). That's the immediate cause, but I've
not the faintest idea what may be causing that.
Donal.
donal.k.fellows
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I have a form with many fields, each of which has their separate record sources in a split db. Today, several users throughout the afternoon encountered the following message when accessing various dropdowns on the form: "Error (-1517). There is no message for this error." Three questions: 1. Has anyone encountered this error before? 2. If so, how was it overcome? 3. How can MS produce an error message that states : "There is no message for this error"? It would seem to me that if MS has assigned a number to an error, they must know that it can happen. If they k...
Why does 'SELECT * FROM countries' truncate characters and SELECT country FROM countries does not ?
Hi, Why does 'SELECT * FROM countries' truncate characters and SELECT country FROM countries does not ? mysql> SELECT * FROM countries; +-------------+-----------+ | country | capital | +-------------+-----------+ |ghanistan | Kabul |lbania | Tirane |Algeria | Algiers mysql> SELECT country FROM countries; +-------------+ | country | +-------------+ | Afghanistan | | Albania | | Algeria | +-------------+ 3 rows in set (0.00 sec) c:\countries.csv Afghanistan, Kabul Albania, Tirane Algeria, Algiers mysql> LOAD DATA LOCAL INFILE '...
"Select" & "Order By" OK- ''WHERE'' Does'nt Work !
Before i post actual code, as i need a speedyish reply. Can i first ask if anyone knows off the top of their head, if there is a likely obvious cause to the following problem. For the moment i've reduced my form request to a simple text string entry, instead of my desired optional parameters. As i have been stuck with a single unfathomable glitch for over a year. Basically, if i enter queries such as ; "select * from table" "select * from table order by artist", it works perfectly. However if i introduce the 'where' option, as in "select * from table where ...
Korn shell's 'select'
(Sorry for using a Windows SMTP program...) I just discovered a neat feature of ksh: 'select'. I need to create a listing of items from a file, and select does the thing... Well almost... Using something like this: user@server> cat file.test test test1 user@server> select ENTRY in `cat file.test` > do > echo $ENTRY > break > done 1) test 2) test1 #? 1 test From the above, I'd actually would like option 1) to show up as "test test1", and not split up. Any ideas? I've tried editing file.test to replace spaces with ";", then trying to co...
error C2143: syntax error : missing ';' before '*'
Hi all, how to remove the following complle error. When I compiling the code I get the following errors: Compiling... CDrtEachDefFeat.cpp d:\ include\common\cdrtintegfeat.h(39) : error C2143: syntax error : missing ';' before '*' d:\ include\common\cdrtintegfeat.h(39) : error C2501: 'CDrtEachDefFeat' : missing storage-class or type specifiers d:\ include\common\cdrtintegfeat.h(39) : error C2501: 'm_pdrtEachDefFeat' : missing storage-class or type specifiers In code the files are included in the order, CDrtEachDefFeat has # include "CDrtTeachData"...
Install cygwin by selecting 'select all' options - CYGWIN
Hi, Why is the cygwin installion like this --> skip by default and we have to go and select every required tool. Why dont they keep the 'select all' option Or something similar to normal Redhat Installation that quries (Desktop/Server/Minimal/Full/etc...) Going and selecting the things we need and sometimes we miss some utilities and this causes problems....(we have to update it once again friends).i think many would have faced it. The Cygwin Installation method is Gooood, But needs some more features to get going on easily for guys who have little time to select e...
Quotes from the 'tolerant', 'liberal', 'progressive' Left
"I hope his wife feeds him lots of eggs and butter and he dies early like many black men do, of heart disease. ... He is an absolutely reprehensible person." --USA Today Columnist Julianne Malveaux on Justice Clarence Thomas "If there is...justice, he'll get AIDS, or one of his grandchildren will get it." --National Public Radio's (NPR) Nina Totenberg on Sen. Jesse Helms "[I]t may take the destruction of Western Civilization to allow the rest of the world to really emerge as a free and brotherly society." --Newly elected president of that hot-bed of co...
How to change 'On Error Goto ArreurA' with 'On Error Goto ArreurB' without error if an error occured?
Exemple: On Error Goto ErreurA Picture = LoadPicture(VarName1) On Error Goto ErreurB Picture = LoadPicture(VarName2) exit sub ErreurA: msgbox "ErreurA= VarName1" exit sub ErreurB: msgbox "ErreurB= VarName2" Exit sub If an error occudes with Picture = LoadPicture(VarName2) it cause an error and the program stop there without error message. What code line must I add? Raymond H. "Raymond H." <divers_rh@hotmail.com> wrote in message news:TuHRc.6180$a65.235836@news20.bellglobal.com... > Exemple: > > On Error Goto ErreurA > Picture = LoadPicture(VarName1) > On Error Goto ErreurB > Picture = LoadPicture(VarName2) > exit sub > ErreurA: > msgbox "ErreurA= VarName1" > exit sub > ErreurB: > msgbox "ErreurB= VarName2" > Exit sub > > If an error occudes with > Picture = LoadPicture(VarName2) > it cause an error and the program stop there without error message. What > code line must I add? In the IDE, go to Tools->Options->General Tab. Select 'Break on Unhandled Errors'. Hello, this error occure even with the exe. I think it miss a code line in my projet but I don't know wich one. r.h. "Peter Young" <youngpa@comcast.no.net.spam.please> a �crit dans le message de news:eBMRc.229775$%_6.160126@attbi_s01... > > "Raymond H." <divers_rh...
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