100 lines
2.9 KiB
C++
100 lines
2.9 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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#pragma once
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#include "textchain.hxx"
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#include <memory>
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class SdrTextObj;
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class SdrOutliner;
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class NonOverflowingText;
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class OverflowingText;
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class TextChain;
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class OutlinerParaObject;
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class OFlowChainedText;
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class UFlowChainedText;
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class TextChainFlow
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{
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public:
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TextChainFlow(SdrTextObj* pChainTarget);
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virtual ~TextChainFlow();
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// Check for flow events in Outliner
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virtual void CheckForFlowEvents(SdrOutliner*);
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void ExecuteUnderflow(SdrOutliner*);
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// Uses two outliners: one for the non-overflow text and one for overflowing (might be the same)
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void ExecuteOverflow(SdrOutliner*, SdrOutliner*);
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bool IsOverflow() const;
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bool IsUnderflow() const;
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SdrTextObj* GetLinkTarget() const;
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protected:
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void impCheckForFlowEvents(SdrOutliner*, SdrOutliner*);
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TextChain* GetTextChain() const;
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virtual void impLeaveOnlyNonOverflowingText(SdrOutliner*);
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void impMoveChainedTextToNextLink(SdrOutliner*);
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virtual void impSetFlowOutlinerParams(SdrOutliner*, SdrOutliner*);
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private:
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void impUpdateCursorInfo();
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protected:
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std::unique_ptr<OFlowChainedText> mpOverflChText;
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std::unique_ptr<UFlowChainedText> mpUnderflChText;
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// Cursor related
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ESelection maOverflowPosSel;
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ESelection maPostChainingSel;
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bool mbPossiblyCursorOut;
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private:
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SdrTextObj* mpTargetLink;
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SdrTextObj* mpNextLink;
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TextChain* mpTextChain;
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bool mbOFisUFinduced;
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bool bUnderflow;
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bool bOverflow;
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};
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// NOTE: EditingTextChainFlow might be strongly coupled with behavior in SdrTextObj::onChainingEvent
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class EditingTextChainFlow final : public TextChainFlow
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{
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public:
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EditingTextChainFlow(SdrTextObj*);
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virtual void CheckForFlowEvents(SdrOutliner*) override;
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//virtual void ExecuteOverflow(SdrOutliner *, SdrOutliner *) override;
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private:
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virtual void impLeaveOnlyNonOverflowingText(SdrOutliner*) override;
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virtual void impSetFlowOutlinerParams(SdrOutliner*, SdrOutliner*) override;
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void impBroadcastCursorInfo() const;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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