Delete cached conversions if the converter changes.
* src/frontends/qt4/QPrefs.cpp
(PrefConverters::update_converter): delete cached files since the
new converter might create different ones
(PrefConverters::remove_converter): ditto
* src/support/convert.cpp
(unsigned long convert<unsigned long>): New template specialization
* src/ConverterCache.h
(ConverterCache::remove_all): New method, removes all cached
conversions of a particular converter
* src/ConverterCache.cpp
(CacheType): Also store source file format
(ConverterCache::Impl::readIndex): Handle files with spaces correctly
(ConverterCache::Impl::writeIndex): ditto
(various): adapt to changed CacheType
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18378 a592a061-630c-0410-9148-cb99ea01b6c8
Solution: Move the color initialization from the constructor to the update() method. I've read the mail from Richard (referenced in the source code) concerning this, but i don't understand why we should not move parts of the initialization the constructor does into the update method. With this changes the hack for fixing http://bugzilla.lyx.org/show_bug.cgi?id=3109 is not needed.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18249 a592a061-630c-0410-9148-cb99ea01b6c8
Solution: Disable the alter button if no item is selected and add an additional test for a valid index.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18247 a592a061-630c-0410-9148-cb99ea01b6c8
Solution: Add a test whether the color returned from the color dialog is valid.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18245 a592a061-630c-0410-9148-cb99ea01b6c8
