d178223745
The new function only returns true if the catalog could be really loaded and not if it is considered not to be needed because the message ID language (which is typically "en-US") happens to be present in the preferred UI languages list (which seems to always include "en-US" in at least Western European MSW). This allows to distinguish, albeit in a rather awkward (but backwards-compatible) way between having a translation for the given language and not needed such translation. It is still not clear if it is really correct to return "en-US" from the list of preferred languages even if the user has never intentionally configured the OS to indicate that English is acceptable, but at least now we can work around this issue and use AddAvailableCatalog() in AddStdCatalog() to make sure we only skip loading unversioned wxstd.mo if the versioned wxstd-x.y.mo file is really found instead of never doing it, as was the case until now (see #23886). Also add GetBestAvailableTranslation() helper which seems more useful than the existing GetBestTranslation() one and is similarly related to it. See #18227, #23930. (cherry picked from commit 94b1a17aeb12a1ec723a255089be16cd31a268a2) |
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