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Fix shortenng of file names in MakeDisplayPath: it is not a good idea to slice an utf8 string at arbitrary offsets, we have to work on a docstring instead. We need unfortunately to switch back and orth between utf8 and docstring.

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This is a candidate for branch too, although the bug is minor.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40149 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Jean-Marc Lasgouttes 2011-11-06 22:36:14 +00:00
parent a3360ac3c6
commit d7320ad89b
1 changed files with 12 additions and 11 deletions
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23
src/support/filetools.cpp
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@ -802,25 +802,26 @@ docstring const makeDisplayPath(string const & path, unsigned int threshold)
return from_utf8(os::external_path(str));
string const prefix = ".../";
string temp;
docstring dstr = from_utf8(str);
docstring temp;
while (str.length() > threshold)
str = split(str, temp, '/');
while (dstr.length() > threshold)
dstr = split(dstr, temp, '/');
// Did we shorten everything away?
if (str.empty()) {
if (dstr.empty()) {
// Yes, filename itself is too long.
// Pick the start and the end of the filename.
str = onlyFileName(path);
string const head = str.substr(0, threshold / 2 - 3);
dstr = from_utf8(onlyFileName(path));
docstring const head = dstr.substr(0, threshold / 2 - 3);
string::size_type len = str.length();
string const tail =
str.substr(len - threshold / 2 - 2, len - 1);
str = head + "..." + tail;
docstring::size_type len = dstr.length();
docstring const tail =
dstr.substr(len - threshold / 2 - 2, len - 1);
dstr = head + from_ascii("...") + tail;
}
return from_utf8(os::external_path(prefix + str));
return from_utf8(os::external_path(prefix + to_utf8(dstr)));
}