textlinedata.h

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// edbee - Copyright (c) 2012-2025 by Rick Blommers and contributors
// SPDX-License-Identifier: MIT
 
#pragma once
 
#include "edbee/exports.h"
 
#include <QObject>
#include <QTextLayout>
 
#include "edbee/util/gapvector.h"
 
namespace edbee {
 
 
enum TextLineDataPredefinedFields {
    LineTextScopesField=0,
    //    LineDataMarkers,      /// Bookmarks etc
    LineAppendTextLayoutFormatListField=1,
    PredefinedFieldCount=2
};
enum TextLineDataPredefinedFields {…};
 
 
class Change;
class TextLineDataManager;
 
 

class EDBEE_EXPORT TextLineData {
public:
    TextLineData() {}
    virtual ~TextLineData() {}
//    bool undoable() = 0;
};
class EDBEE_EXPORT TextLineData {…};

template<typename T>
class EDBEE_EXPORT BasicTextLineData : public TextLineData
{
public:
    BasicTextLineData( const T& val ) : value_(val) {}
    T value() { return value_; }
    void setValue( const T& value ) { value_ = value; }
 
private:
    T value_;
};
class EDBEE_EXPORT BasicTextLineData : public TextLineData {…};
 
 
typedef BasicTextLineData<QString> QStringTextLineData;
typedef BasicTextLineData<QList<QTextLayout::FormatRange>> LineAppendTextLayoutFormatListData;
 
//-------

class EDBEE_EXPORT TextLineDataList {
public:
    TextLineDataList( );
    virtual ~TextLineDataList();
    virtual void destroy( TextLineDataManager* manager );
 
    void give( TextLineDataManager* manager, int field, TextLineData *dataItem );
    TextLineData* take( TextLineDataManager* manager, int field );
    TextLineData* at( TextLineDataManager* manager, int field );
 
    void realloc( TextLineDataManager* manager, int oldFieldPerLine, int newFieldsPerLine );
 
private:
    TextLineData** lineDataList_;   
};
class EDBEE_EXPORT TextLineDataList {…};
 
//-------

class EDBEE_EXPORT TextLineDataManager : public QObject
{
Q_OBJECT
 
public:
    TextLineDataManager( int fieldsPerLine = PredefinedFieldCount);
    virtual ~TextLineDataManager();
 
    void clear();
 
 
    void give(int line, int field, TextLineData *dataItem );
    TextLineData* take(int line, int field );
    TextLineData* get( int line, int field );

    int fieldsPerLine() { return fieldsPerLine_; }
    void setFieldsPerLine( int count );

    int length() const { return textLineDataList_.length(); }
    TextLineDataList* at(int idx) const { return textLineDataList_.at(idx); }
 
    // internal functions
    Change* createLinesReplacedChange( int lineStart, int lineCount, int newLineCount );
    TextLineDataList* takeList( int line );
    void giveList( int line, TextLineDataList* list );
 
    void fillWithEmpty( int line, int length, int newLength );
    void replace( int line, int length, TextLineDataList** items, int newLength );

    GapVector<TextLineDataList*>* textLineDataList() { return &textLineDataList_; }
 
protected:
 
    void destroyRange( int line, int length );
 
 
public slots:
 
//    void linesReplaced( int lineStart, int lineCount, int newLineCount );
//    void dumpGapvector();
signals:
 
    void lineDataChanged( int line, int length, int newLength );   
 
private:
 
    int fieldsPerLine_;                                  
    GapVector<TextLineDataList*>  textLineDataList_;    
//    NoGapVector<TextLineDataList*>  textLineDataList_;
};
class EDBEE_EXPORT TextLineDataManager : public QObject {…};
 
 
} // edbee