91fef4a475
Change-Id: Ibf912c597896a2ac0bf3ba8108f55c5018115bb0 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/135501 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
130 lines
4 KiB
C++
130 lines
4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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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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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_EDITENG_OVERFLOWINGTXT_HXX
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#define INCLUDED_EDITENG_OVERFLOWINGTXT_HXX
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#include <editeng/editengdllapi.h>
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#include <editeng/editdata.hxx>
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#include <com/sun/star/uno/Reference.h>
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#include <optional>
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namespace com::sun::star {
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namespace datatransfer { class XTransferable; }
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}
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class OutlinerParaObject;
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class Outliner;
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/*
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* A collection of static methods for attaching text.
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* Strongly coupled with some of the classes in this file.
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*/
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class TextChainingUtils
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{
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public:
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static css::uno::Reference< css::datatransfer::XTransferable> CreateTransferableFromText(Outliner const *);
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static std::optional<OutlinerParaObject> JuxtaposeParaObject(
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css::uno::Reference< css::datatransfer::XTransferable > const & xOverflowingContent,
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Outliner *,
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OutlinerParaObject const *);
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static std::optional<OutlinerParaObject> DeeplyMergeParaObject(
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css::uno::Reference< css::datatransfer::XTransferable > const & xOverflowingContent,
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Outliner *,
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OutlinerParaObject const *);
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};
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/*
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* The classes OverflowingText and NonOverflowingText handle the
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* actual preparation of the OutlinerParaObjects to be used in destination
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* and source box respectively.
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*/
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class OverflowingText
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{
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public:
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OverflowingText(css::uno::Reference< css::datatransfer::XTransferable > xOverflowingContent);
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std::optional<OutlinerParaObject> JuxtaposeParaObject(Outliner *, OutlinerParaObject const *);
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std::optional<OutlinerParaObject> DeeplyMergeParaObject(Outliner *, OutlinerParaObject const *);
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private:
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css::uno::Reference< css::datatransfer::XTransferable > mxOverflowingContent;
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};
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class NonOverflowingText
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{
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public:
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NonOverflowingText(const ESelection &aSel, bool bLastParaInterrupted);
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std::optional<OutlinerParaObject> RemoveOverflowingText(Outliner *) const;
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ESelection GetOverflowPointSel() const;
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bool IsLastParaInterrupted() const;
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private:
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ESelection maContentSel;
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bool mbLastParaInterrupted;
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};
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/*
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* classes OFlowChainedText and UFlowChainedText:
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* contain and handle the state of a broken up text _after_ a flow event
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* (respectively after Overflow and Underflow).
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*
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*/
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class EDITENG_DLLPUBLIC OFlowChainedText
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{
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public:
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OFlowChainedText(Outliner const *, bool );
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~OFlowChainedText();
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std::optional<OutlinerParaObject> InsertOverflowingText(Outliner *, OutlinerParaObject const *);
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std::optional<OutlinerParaObject> RemoveOverflowingText(Outliner *);
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ESelection GetOverflowPointSel() const;
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bool IsLastParaInterrupted() const;
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private:
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std::optional<NonOverflowingText> mpNonOverflowingTxt;
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std::optional<OverflowingText> mpOverflowingTxt;
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bool mbIsDeepMerge;
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};
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// UFlowChainedText is a simpler class than OFlowChainedText: it almost only joins para-objects
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class EDITENG_DLLPUBLIC UFlowChainedText
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{
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public:
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UFlowChainedText(Outliner const *, bool);
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std::optional<OutlinerParaObject> CreateMergedUnderflowParaObject(Outliner *, OutlinerParaObject const *);
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private:
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css::uno::Reference< css::datatransfer::XTransferable > mxUnderflowingTxt;
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bool mbIsDeepMerge;
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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