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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include "textchain.hxx"
#include <memory>
class SdrTextObj;
class SdrOutliner;
class NonOverflowingText;
class OverflowingText;
class TextChain;
class OutlinerParaObject;
class OFlowChainedText;
class UFlowChainedText;
class TextChainFlow
{
public:
TextChainFlow(SdrTextObj* pChainTarget);
virtual ~TextChainFlow();
// Check for flow events in Outliner
virtual void CheckForFlowEvents(SdrOutliner*);
void ExecuteUnderflow(SdrOutliner*);
// Uses two outliners: one for the non-overflow text and one for overflowing (might be the same)
void ExecuteOverflow(SdrOutliner*, SdrOutliner*);
bool IsOverflow() const;
bool IsUnderflow() const;
SdrTextObj* GetLinkTarget() const;
protected:
void impCheckForFlowEvents(SdrOutliner*, SdrOutliner*);
TextChain* GetTextChain() const;
virtual void impLeaveOnlyNonOverflowingText(SdrOutliner*);
void impMoveChainedTextToNextLink(SdrOutliner*);
virtual void impSetFlowOutlinerParams(SdrOutliner*, SdrOutliner*);
private:
void impUpdateCursorInfo();
protected:
std::unique_ptr<OFlowChainedText> mpOverflChText;
std::unique_ptr<UFlowChainedText> mpUnderflChText;
// Cursor related
ESelection maOverflowPosSel;
ESelection maPostChainingSel;
bool mbPossiblyCursorOut;
private:
SdrTextObj* mpTargetLink;
SdrTextObj* mpNextLink;
TextChain* mpTextChain;
bool mbOFisUFinduced;
bool bUnderflow;
bool bOverflow;
};
// NOTE: EditingTextChainFlow might be strongly coupled with behavior in SdrTextObj::onChainingEvent
class EditingTextChainFlow final : public TextChainFlow
{
public:
EditingTextChainFlow(SdrTextObj*);
virtual void CheckForFlowEvents(SdrOutliner*) override;
//virtual void ExecuteOverflow(SdrOutliner *, SdrOutliner *) override;
private:
virtual void impLeaveOnlyNonOverflowingText(SdrOutliner*) override;
virtual void impSetFlowOutlinerParams(SdrOutliner*, SdrOutliner*) override;
void impBroadcastCursorInfo() const;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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