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feat(buffer_updates): allow ignoring when previewing

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Also adds a test that we actually subscribe to buffer events when in
CMDPREVIEW.
This commit is contained in:
Thomas Vigouroux
2020-12-15 22:18:35 +01:00
parent d0112693a3
commit 25e20da550
5 changed files with 33 additions and 7 deletions
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8
src/nvim/api/buffer.c
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@@ -121,6 +121,8 @@ Integer nvim_buf_line_count(Buffer buffer, Error *err)
/// - buffer handle
/// - utf_sizes: include UTF-32 and UTF-16 size of the replaced
/// region, as args to `on_lines`.
/// - preview: also attach to command preview (i.e. 'inccommand')
/// events.
/// @param[out] err Error details, if any
/// @return False if attach failed (invalid parameter, or buffer isn't loaded);
/// otherwise True. TODO: LUA_API_NO_EVAL
@@ -176,6 +178,12 @@ Boolean nvim_buf_attach(uint64_t channel_id,
goto error;
}
cb.utf_sizes = v->data.boolean;
} else if (is_lua && strequal("preview", k.data)) {
if (v->type != kObjectTypeBoolean) {
api_set_error(err, kErrorTypeValidation, "preview must be boolean");
goto error;
}
cb.preview = v->data.boolean;
} else {
api_set_error(err, kErrorTypeValidation, "unexpected key: %s", k.data);
goto error;