[LyX/master] Add support for IM attribute specification over multiple segments

[Scott Kostyshak]

On Sun, Jun 14, 2026 at 11:13:31AM +0200, Kornel Benko wrote:
> Am Sun, 14 Jun 2026 05:04:06 +0000
> schrieb Koji Yokota <yokota at lyx.org>:
> 
> > commit f198a3847c685e29565ffb952caf7870ba45bc60
> > Author: Koji Yokota <yokota at lyx.org>
> > Date:   Sun Jun 14 13:57:45 2026 +0900
> > 
> >     Add support for IM attribute specification over multiple segments
> >     
> >     Although QInputMethodEvent documents that there should be at most one
> >     text format attribute specified on each segment, the de-facto standard
> >     seems different. LyX allowed duplicate attribute specification segment
> >     by segment so far. This fix extends it to allow overwrapped
> >     specification over segments.
> >     
> >     Eg. existing attribute  [   seg   ] [charFormat for a segment] [seg]
> >         incoming attribute  [ <------ charFormat over segments ------> ]
> > ---
> >  src/frontends/qt/GuiInputMethod.cpp | 192 ++++++++++++++++++++++++++++--------
> >  src/frontends/qt/GuiInputMethod.h   |   3 +-
> >  src/frontends/qt/GuiPainter.cpp     |   4 +-
> >  3 files changed, 155 insertions(+), 44 deletions(-)
> ...
> 
> Now I get the attached.

Interesting, I can't reproduce. Maybe a difference in versions?

$ g++ --version
g++ (Ubuntu 15-20250404-0ubuntu1) 15.0.1 20250404 (experimental) [master r15-9193-g08e803aa9be]

$ clang++ --version
Ubuntu clang version 20.1.2 (0ubuntu1)

Scott
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