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feat(treesitter): vertical conceal support for highlighter

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TSHighlighter now places marks for conceal_lines metadata. A new
internal decor provider callback _on_conceal_line was added that
instructs the highlighter to place conceal_lines marks whenever the
editor needs to know whether a line is concealed. The bundled markdown
queries use conceal_lines metadata to conceal code block fence lines.
This commit is contained in:
Luuk van Baal
2024-11-24 14:46:20 +01:00
committed by luukvbaal
parent f58e7d5fac
commit 8ba047e33f
13 changed files with 280 additions and 67 deletions
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25
src/nvim/decoration_provider.c
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@@ -30,7 +30,7 @@ static kvec_t(DecorProvider) decor_providers = KV_INITIAL_VALUE;
#define DECORATION_PROVIDER_INIT(ns_id) (DecorProvider) \
{ ns_id, kDecorProviderDisabled, LUA_NOREF, LUA_NOREF, \
LUA_NOREF, LUA_NOREF, LUA_NOREF, \
LUA_NOREF, -1, false, false, 0 }
LUA_NOREF, LUA_NOREF, -1, false, false, 0 }
static void decor_provider_error(DecorProvider *provider, const char *name, const char *msg)
{
@@ -92,6 +92,23 @@ void decor_providers_invoke_spell(win_T *wp, int start_row, int start_col, int e
}
}
void decor_providers_invoke_conceal_line(win_T *wp, int row)
{
wp->w_conceal_line_buf = wp->w_buffer;
for (size_t i = 0; i < kv_size(decor_providers); i++) {
DecorProvider *p = &kv_A(decor_providers, i);
if (p->state != kDecorProviderDisabled && p->conceal_line != LUA_NOREF) {
MAXSIZE_TEMP_ARRAY(args, 4);
ADD_C(args, INTEGER_OBJ(wp->handle));
ADD_C(args, INTEGER_OBJ(wp->w_buffer->handle));
ADD_C(args, INTEGER_OBJ(row));
if (decor_provider_invoke((int)i, "conceal_line", p->conceal_line, args, false)) {
wp->w_conceal_line_provider = true;
}
}
}
}
/// For each provider invoke the 'start' callback
///
/// @param[out] providers Decoration providers
@@ -262,6 +279,12 @@ void decor_provider_clear(DecorProvider *p)
NLUA_CLEAR_REF(p->redraw_line);
NLUA_CLEAR_REF(p->redraw_end);
NLUA_CLEAR_REF(p->spell_nav);
if (p->conceal_line != LUA_NOREF) {
NLUA_CLEAR_REF(p->conceal_line);
FOR_ALL_TAB_WINDOWS(tp, wp) {
wp->w_conceal_line_buf = NULL; // invoke at least once
}
}
p->state = kDecorProviderDisabled;
}