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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 .
*/
#ifndef INCLUDED_SVX_TEXTCHAIN_HXX
#define INCLUDED_SVX_TEXTCHAIN_HXX
#include <editeng/editdata.hxx>
#include <map>
/*
* Properties can be accessed and set from a TextChain with:
* - T TextChain::GetPROPNAME(SdrTextObj *)
* - void TextChain::SetPROPNAME(SdrTextObj *, T)
* where T and PROPNAME are respectively type and name of a property.
*
* To add a property PROPNAME of type T (and its interface) in TextChain:
* 1) Add
* "DECL_CHAIN_PROP(PROPNAME, T)"
* in class ImpChainLinkProperties;
* 2) Add
* "INIT_CHAIN_PROP(PROPNAME, V)"
* in constructor of ImpChainLinkProperties below
* (V is the initialization value for PROPNAME)
*
* 3) Add
* "DECL_CHAIN_PROP_INTERFACE(PROPNAME, T)"
* in class TextChain (under "public:");
* 4) Add
* "IMPL_CHAIN_PROP_INTERFACE(PROPNAME, T)"
* in file "svx/source/svdraw/textchain.cxx"
*/
#define DECL_CHAIN_PROP(PropName, PropType) \
PropType a##PropName;
#define INIT_CHAIN_PROP(PropName, PropDefault) \
a##PropName = (PropDefault);
#define DECL_CHAIN_PROP_INTERFACE(PropName, PropType) \
PropType const & Get##PropName (const SdrTextObj *); \
void Set##PropName (const SdrTextObj *, PropType);
#define IMPL_CHAIN_PROP_INTERFACE(PropName, PropType) \
PropType const & TextChain::Get##PropName (const SdrTextObj *pTarget) { \
ImpChainLinkProperties *pLinkProperties = GetLinkProperties(pTarget); \
return pLinkProperties->a##PropName; \
} \
void TextChain::Set##PropName (const SdrTextObj *pTarget, PropType aPropParam) \
{ \
ImpChainLinkProperties *pLinkProperties = GetLinkProperties(pTarget); \
pLinkProperties->a##PropName = aPropParam; \
}
/* End Special Properties Macro */
class ImpChainLinkProperties;
class SdrTextObj;
class SdrModel;
namespace rtl {
class OUString;
}
typedef rtl::OUString ChainLinkId;
enum class CursorChainingEvent
{
TO_NEXT_LINK,
TO_PREV_LINK,
UNCHANGED,
NULL_EVENT
};
class ImpChainLinkProperties
{
protected:
friend class TextChain;
ImpChainLinkProperties() {
INIT_CHAIN_PROP(NilChainingEvent, false)
INIT_CHAIN_PROP(CursorEvent, CursorChainingEvent::NULL_EVENT)
INIT_CHAIN_PROP(PreChainingSel, ESelection(0,0,0,0));
INIT_CHAIN_PROP(PostChainingSel, ESelection(0,0,0,0));
INIT_CHAIN_PROP(IsPartOfLastParaInNextLink, false) // XXX: Should come from file
INIT_CHAIN_PROP(PendingOverflowCheck, false)
INIT_CHAIN_PROP(SwitchingToNextBox, false)
}
private:
// NOTE: Remember to set default value in constructor when adding field
DECL_CHAIN_PROP(NilChainingEvent, bool)
DECL_CHAIN_PROP(CursorEvent, CursorChainingEvent)
DECL_CHAIN_PROP(PreChainingSel, ESelection)
DECL_CHAIN_PROP(PostChainingSel, ESelection)
DECL_CHAIN_PROP(IsPartOfLastParaInNextLink, bool)
DECL_CHAIN_PROP(PendingOverflowCheck, bool)
DECL_CHAIN_PROP(SwitchingToNextBox, bool)
};
class TextChain
{
public:
~TextChain();
//void AppendLink(SdrTextObj *);
//bool IsLinkInChain(SdrTextObj *) const;
//SdrTextObj *GetNextLink(const SdrTextObj *) const;
//SdrTextObj *GetPrevLink(const SdrTextObj *) const;
ImpChainLinkProperties *GetLinkProperties(const SdrTextObj *);
// Specific Link Properties
DECL_CHAIN_PROP_INTERFACE(CursorEvent, CursorChainingEvent)
DECL_CHAIN_PROP_INTERFACE(NilChainingEvent, bool)
DECL_CHAIN_PROP_INTERFACE(PreChainingSel, ESelection)
DECL_CHAIN_PROP_INTERFACE(PostChainingSel, ESelection)
// return whether a paragraph is split between this box and the next
DECL_CHAIN_PROP_INTERFACE(IsPartOfLastParaInNextLink, bool)
// return whether there is a pending overflow check (usually when we move cursor after an overflow in the prev link)
DECL_CHAIN_PROP_INTERFACE(PendingOverflowCheck, bool)
// return whether we are currently moving the cursor to the next box (useful to know whether we should prevent SetOutlinerParaObject invocations in SdrTextObj::EndTextEdit)
DECL_CHAIN_PROP_INTERFACE(SwitchingToNextBox, bool)
protected:
TextChain();
std::map< ChainLinkId, ImpChainLinkProperties *> maLinkPropertiesMap;
private:
friend class SdrModel;
//SdrTextObj *impGetNextLink(const SdrTextObj *) const;
//SdrTextObj *impGetPrevLink(const SdrTextObj *) const;
};
#endif // INCLUDED_SVX_TEXTCHAIN_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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