- // The previous language that was in effect is either the language of
- // the previous paragraph, if there is one, or else the outer language
- // if there is no previous paragraph
- Language const * prev_language =
- (pit != paragraphs.begin()) ?
- priorpit->getParLanguage(bparams) : outer_language;
-
- // When the language is changed at the very start of a LyX environment,
- // the language switch in the LaTeX code occurs just before switching to
- // the corresponding LaTeX environment. So, when the environment ends,
- // we have to properly restore the language that was in effect.
- bool env_lang_switch = false;
- if (!priorpit->hasSameLayout(*pit)) {
- ParagraphList::const_iterator outpit = priorpit;
- while (outpit != paragraphs.begin()
- && (outpit->hasSameLayout(*priorpit)
- || outpit->getDepth() > pit->getDepth()
- || outpit->getAlign() != outpit->layout().align))
- outpit = boost::prior(outpit);
- ParagraphList::const_iterator inpit = boost::next(outpit);
- bool topped = outpit == paragraphs.begin()
- && (outpit->hasSameLayout(*priorpit)
- || outpit->getDepth() > pit->getDepth()
- || outpit->getAlign() != outpit->layout().align
- || outpit->layout().isEnvironment());
- Language const * const outenv_language = topped ?
- outer_language
- : outpit->getParLanguage(bparams);
- Language const * const inenv_language = topped ?
- outpit->getParLanguage(bparams)
- : inpit->getParLanguage(bparams);
- if (outenv_language->babel() != inenv_language->babel()) {
- if (inenv_language->babel() != par_language->babel())
- env_lang_switch = true;
- prev_language = inenv_language;
- } else
- prev_language = outenv_language;
- }