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List:       kde-panel-devel
Subject:    Review Request: Fix KRunner's 'spell in foreign language' feature
From:       "Simeon Bird" <bladud () gmail ! com>
Date:       2012-08-27 21:33:47
Message-ID: 20120827213347.8444.77720 () vidsolbach ! de
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This is an automatically generated e-mail. To reply, visit:
http://git.reviewboard.kde.org/r/106244/
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Review request for Plasma.


Description
-------

Krunner's spellcheck plugin has been pretty broken since bd291d21f096a714a1=
71e7af3a534ba345ca5659 (about two years ago) because it called Sonnet::Spel=
ler::setLanguage every time the spellchecker was invoked, which was (very m=
uch) not thread-safe. =

Review 106242 fixes the segfaults, this commit fixes the feature, which I u=
nderstand to be, basically, the =

ability to type 'spell french bonjour' and have it check the spelling.

The current code simply calls setLanguage on the second term in the search =
query, and then checks whether the resulting dictionary object is valid. Un=
fortunately, the response of the spell-checker to being fed an invalid lang=
uage was to crash on the next query (this is fixed in 106242). Furthermore,=
 the spell-checker expected languages like 'fr_FR' or 'French (France)' whi=
ch the user was vanishingly unlikely to type in correctly. =


So what this does is to only call setLanguage when necessary (just in case =
I missed something in 106242), =

and then only after we have turned the query we are fed into a valid spell-=
checker language. =

This is a little bit tricky, because in particular "spell english" is going=
 to mean different things to different people. =


My approach was to try and find the main language of the group: so 'french'=
 gets you fr_FR. This works ok for most things, but not really for english.=
 For that I default to US english, unless UK english is installed. Probably=
 one should special case other english variants as well, but I haven't beca=
use I am unsure what spellings are in common use in practice. =


I have not tested this spelling an asian language as I don't speak one.

I have not implemented 'spell canadian french' or similar. If you want a sp=
ecific sublanguage you have to type in the language code directly.


Diffs
-----

  runners/spellchecker/spellcheck.cpp 672732d =


Diff: http://git.reviewboard.kde.org/r/106244/diff/


Testing
-------

Compiled, installed, ran for a week and spell-checked a bunch of things in =
European languages.


Thanks,

Simeon Bird


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      This is an automatically generated e-mail. To reply, visit:
      <a href="http://git.reviewboard.kde.org/r/106244/">http://git.reviewboard.kde.org/r/106244/</a>
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<div>Review request for Plasma.</div>
<div>By Simeon Bird.</div>







<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
 <table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" \
style="border: 1px solid #b8b5a0">  <tr>
  <td>
   <pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">Krunner&#39;s spellcheck plugin has been pretty broken since \
bd291d21f096a714a171e7af3a534ba345ca5659 (about two years ago) because it called \
Sonnet::Speller::setLanguage every time the spellchecker was invoked, which was (very \
much) not thread-safe.  Review 106242 fixes the segfaults, this commit fixes the \
feature, which I understand to be, basically, the  ability to type &#39;spell french \
bonjour&#39; and have it check the spelling.

The current code simply calls setLanguage on the second term in the search query, and \
then checks whether the resulting dictionary object is valid. Unfortunately, the \
response of the spell-checker to being fed an invalid language was to crash on the \
next query (this is fixed in 106242). Furthermore, the spell-checker expected \
languages like &#39;fr_FR&#39; or &#39;French (France)&#39; which the user was \
vanishingly unlikely to type in correctly. 

So what this does is to only call setLanguage when necessary (just in case I missed \
something in 106242),  and then only after we have turned the query we are fed into a \
valid spell-checker language.  This is a little bit tricky, because in particular \
&quot;spell english&quot; is going to mean different things to different people. 

My approach was to try and find the main language of the group: so &#39;french&#39; \
gets you fr_FR. This works ok for most things, but not really for english. For that I \
default to US english, unless UK english is installed. Probably one should special \
case other english variants as well, but I haven&#39;t because I am unsure what \
spellings are in common use in practice. 

I have not tested this spelling an asian language as I don&#39;t speak one.

I have not implemented &#39;spell canadian french&#39; or similar. If you want a \
specific sublanguage you have to type in the language code directly.

</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: \
1px solid #b8b5a0">  <tr>
  <td>
   <pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">Compiled, installed, ran for a week and spell-checked a bunch of things \
in European languages.</pre>  </td>
 </tr>
</table>




<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">

 <li>runners/spellchecker/spellcheck.cpp <span style="color: \
grey">(672732d)</span></li>

</ul>

<p><a href="http://git.reviewboard.kde.org/r/106244/diff/" style="margin-left: \
3em;">View Diff</a></p>




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