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| -rw-r--r-- | vcl/source/edit/textdat2.hxx | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/vcl/source/edit/textdat2.hxx b/vcl/source/edit/textdat2.hxx new file mode 100644 index 000000000..b5f2fc1de --- /dev/null +++ b/vcl/source/edit/textdat2.hxx @@ -0,0 +1,283 @@ +/* -*- 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_VCL_SOURCE_EDIT_TEXTDAT2_HXX +#define INCLUDED_VCL_SOURCE_EDIT_TEXTDAT2_HXX + +#include <vcl/seleng.hxx> +#include <vcl/cursor.hxx> +#include <vcl/idle.hxx> +#include <vcl/textdata.hxx> + +#include <cstddef> +#include <limits> +#include <vector> + +class TextNode; +class TextView; + +#define PORTIONKIND_TEXT 0 +#define PORTIONKIND_TAB 1 + +#define DELMODE_SIMPLE 0 +#define DELMODE_RESTOFWORD 1 +#define DELMODE_RESTOFCONTENT 2 + +#define DEL_LEFT 1 +#define DEL_RIGHT 2 +#define TRAVEL_X_DONTKNOW 0xFFFF +#define MAXCHARSINPARA 0x3FFF-CHARPOSGROW + +#define LINE_SEP 0x0A + +class TETextPortion +{ +private: + sal_Int32 nLen; + long nWidth; + sal_uInt8 nKind; + bool bRightToLeft; + +public: + TETextPortion( sal_Int32 nL ) + : nLen {nL} + , nWidth {-1} + , nKind {PORTIONKIND_TEXT} + , bRightToLeft {false} + {} + + sal_Int32& GetLen() { return nLen; } + long& GetWidth() { return nWidth; } + sal_uInt8& GetKind() { return nKind; } + void SetRightToLeft(bool b) { bRightToLeft = b; } + bool IsRightToLeft() const { return bRightToLeft; } +}; + +class TETextPortionList +{ +private: + std::vector<std::unique_ptr<TETextPortion>> maPortions; + +public: + static constexpr auto npos = std::numeric_limits<std::size_t>::max(); + + TETextPortionList(); + ~TETextPortionList(); + + TETextPortion* operator[]( std::size_t nPos ); + std::vector<std::unique_ptr<TETextPortion>>::iterator begin(); + std::vector<std::unique_ptr<TETextPortion>>::const_iterator begin() const; + std::vector<std::unique_ptr<TETextPortion>>::iterator end(); + std::vector<std::unique_ptr<TETextPortion>>::const_iterator end() const; + bool empty() const; + std::size_t size() const; + std::vector<std::unique_ptr<TETextPortion>>::iterator erase( const std::vector<std::unique_ptr<TETextPortion>>::iterator& aIter ); + std::vector<std::unique_ptr<TETextPortion>>::iterator insert( const std::vector<std::unique_ptr<TETextPortion>>::iterator& aIter, + std::unique_ptr<TETextPortion> pTP ); + void push_back( std::unique_ptr<TETextPortion> pTP ); + + void Reset(); + std::size_t FindPortion( sal_Int32 nCharPos, sal_Int32& rPortionStart, bool bPreferStartingPortion = false ); + void DeleteFromPortion( std::size_t nDelFrom ); +}; + +struct TEWritingDirectionInfo +{ + bool bLeftToRight; + sal_Int32 nStartPos; + sal_Int32 nEndPos; + TEWritingDirectionInfo( bool LeftToRight, sal_Int32 Start, sal_Int32 End ) + : bLeftToRight {LeftToRight} + , nStartPos {Start} + , nEndPos {End} + {} +}; + +class TextLine +{ +private: + sal_Int32 mnStart; + sal_Int32 mnEnd; + std::size_t mnStartPortion; + std::size_t mnEndPortion; + + short mnStartX; + + bool mbInvalid; // for clever formatting/output + +public: + TextLine() + : mnStart {0} + , mnEnd {0} + , mnStartPortion {0} + , mnEndPortion {0} + , mnStartX {0} + , mbInvalid {true} + {} + + bool IsIn( sal_Int32 nIndex, bool bInclEnd ) const + { return nIndex >= mnStart && ( bInclEnd ? nIndex <= mnEnd : nIndex < mnEnd ); } + + void SetStart( sal_Int32 n ) { mnStart = n; } + sal_Int32 GetStart() const { return mnStart; } + + void SetEnd( sal_Int32 n ) { mnEnd = n; } + sal_Int32 GetEnd() const { return mnEnd; } + + void SetStartPortion( std::size_t n ) { mnStartPortion = n; } + std::size_t GetStartPortion() const { return mnStartPortion; } + + void SetEndPortion( std::size_t n ) { mnEndPortion = n; } + std::size_t GetEndPortion() const { return mnEndPortion; } + + sal_Int32 GetLen() const { return mnEnd - mnStart; } + + bool IsInvalid() const { return mbInvalid; } + bool IsValid() const { return !mbInvalid; } + void SetInvalid() { mbInvalid = true; } + void SetValid() { mbInvalid = false; } + + short GetStartX() const { return mnStartX; } + void SetStartX( short n ) { mnStartX = n; } + + inline bool operator == ( const TextLine& rLine ) const; +}; + +inline bool TextLine::operator == ( const TextLine& rLine ) const +{ + return mnStart == rLine.mnStart && + mnEnd == rLine.mnEnd && + mnStartPortion == rLine.mnStartPortion && + mnEndPortion == rLine.mnEndPortion; +} + +class TEParaPortion +{ +private: + TextNode* mpNode; + + std::vector<TextLine> maLines; + TETextPortionList maTextPortions; + std::vector<TEWritingDirectionInfo> maWritingDirectionInfos; + + sal_Int32 mnInvalidPosStart; + sal_Int32 mnInvalidDiff; + + bool mbInvalid; + bool mbSimple; // only type linearly + +public: + TEParaPortion( TextNode* pNode ); + ~TEParaPortion(); + + TEParaPortion( const TEParaPortion& ) = delete; + void operator=( const TEParaPortion& ) = delete; + + bool IsInvalid() const { return mbInvalid; } + bool IsSimpleInvalid() const { return mbSimple; } + void SetNotSimpleInvalid() { mbSimple = false; } + void SetValid() { mbInvalid = false; mbSimple = true;} + + void MarkInvalid( sal_Int32 nStart, sal_Int32 nDiff ); + void MarkSelectionInvalid( sal_Int32 nStart ); + + sal_Int32 GetInvalidPosStart() const { return mnInvalidPosStart; } + sal_Int32 GetInvalidDiff() const { return mnInvalidDiff; } + + TextNode* GetNode() const { return mpNode; } + std::vector<TextLine>& GetLines() { return maLines; } + TETextPortionList& GetTextPortions() { return maTextPortions; } + std::vector<TEWritingDirectionInfo>& GetWritingDirectionInfos() { return maWritingDirectionInfos; } + + std::vector<TextLine>::size_type GetLineNumber( sal_Int32 nIndex, bool bInclEnd ); + void CorrectValuesBehindLastFormattedLine( sal_uInt16 nLastFormattedLine ); +}; + +class TEParaPortions +{ +private: + std::vector<std::unique_ptr<TEParaPortion>> mvData; + +public: + TEParaPortions() : mvData() {} + ~TEParaPortions(); + + sal_uInt32 Count() const { return static_cast<sal_uInt32>(mvData.size()); } + TEParaPortion* GetObject( sal_uInt32 nIndex ) { return mvData[nIndex].get(); } + void Insert( TEParaPortion* pObject, sal_uInt32 nPos ) { mvData.emplace( mvData.begin()+nPos, pObject ); } + void Remove( sal_uInt32 nPos ) { mvData.erase( mvData.begin()+nPos ); } +}; + +class TextSelFunctionSet: public FunctionSet +{ +private: + TextView* mpView; + +public: + TextSelFunctionSet( TextView* pView ); + + virtual void BeginDrag() override; + + virtual void CreateAnchor() override; + + virtual void SetCursorAtPoint( const Point& rPointPixel, bool bDontSelectAtCursor = false ) override; + + virtual bool IsSelectionAtPoint( const Point& rPointPixel ) override; + virtual void DeselectAll() override; + + virtual void DeselectAtPoint( const Point& ) override; + virtual void DestroyAnchor() override; +}; + +class IdleFormatter : public Idle +{ +private: + TextView* mpView; + sal_uInt16 mnRestarts; + +public: + IdleFormatter(); + virtual ~IdleFormatter() override; + + void DoIdleFormat( TextView* pV, sal_uInt16 nMaxRestarts ); + void ForceTimeout(); + TextView* GetView() { return mpView; } +}; + +struct TextDDInfo +{ + vcl::Cursor maCursor; + TextPaM maDropPos; + + bool mbStarterOfDD; + bool mbVisCursor; + + TextDDInfo() + : maCursor() + , maDropPos() + , mbStarterOfDD {false} + , mbVisCursor {false} + { + maCursor.SetStyle( CURSOR_SHADOW ); + } +}; + +#endif // INCLUDED_VCL_SOURCE_EDIT_TEXTDAT2_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |