38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_CaretAssociationHint_h
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#define mozilla_CaretAssociationHint_h
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namespace mozilla {
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template <typename PT, typename CT>
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class RangeBoundaryBase;
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namespace intl {
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class BidiEmbeddingLevel;
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};
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/**
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* Hint whether a caret is associated with the content before a
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* given character offset (Before), or with the content after a given
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* character offset (After).
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*/
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enum class CaretAssociationHint { Before, After };
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/**
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* Return better caret association hint for aCaretPoint than aDefault.
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* This computes the result from layout. Therefore, you should flush pending
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* layout before calling this.
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*/
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template <typename PT, typename CT>
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CaretAssociationHint ComputeCaretAssociationHint(
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CaretAssociationHint aDefault, intl::BidiEmbeddingLevel aBidiLevel,
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const RangeBoundaryBase<PT, CT>& aCaretPoint);
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} // namespace mozilla
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#endif
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