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csi: implement DECSET/DECRST/DECRQM 2027 - grapheme cluster processing

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This implements private mode 2027 - grapheme cluster processing, as
defined in the "Terminal Unicode Core"[1] specification.

Internally, we just flip the already existing option "grapheme
shaping". Since it's now runtime changeable, we need a copy of it in
the terminal struct, rather than referencing the conf object.

[1]: 13fc5a8993/spec/terminal-unicode-core.tex (L50-L53)
This commit is contained in:
Daniel Eklöf 2023-09-20 13:45:06 +02:00
parent 8a5f2915e9
commit 4eef001d58
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GPG key ID: 5BBD4992C116573F
7 changed files with 21 additions and 1 deletions
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terminal.c
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@ -1253,6 +1253,7 @@ term_init(const struct config *conf, struct fdm *fdm, struct reaper *reaper,
},
.foot_exe = xstrdup(foot_exe),
.cwd = xstrdup(cwd),
.grapheme_shaping = conf->tweak.grapheme_shaping,
#if defined(FOOT_IME_ENABLED) && FOOT_IME_ENABLED
.ime_enabled = true,
#endif
@ -1903,6 +1904,8 @@ term_reset(struct terminal *term, bool hard)
tll_remove(term->alt.sixel_images, it);
}
term->grapheme_shaping = term->conf->tweak.grapheme_shaping;
#if defined(FOOT_IME_ENABLED) && FOOT_IME_ENABLED
term_ime_enable(term);
#endif