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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2014 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __TEXTEDIT_H__
#define __TEXTEDIT_H__
#include "element.h"
#include "text.h"
#include "undo.h"
namespace Ms {
//---------------------------------------------------------
// TextEditData
//---------------------------------------------------------
struct TextEditData : public ElementEditData {
QString oldXmlText;
int startUndoIdx;
TextCursor cursor;
TextEditData(TextBase* t) : cursor(t) {}
~TextEditData() {}
};
//---------------------------------------------------------
// ChangeText
//---------------------------------------------------------
class ChangeText : public UndoCommand {
TextCursor c;
QString s;
protected:
void insertText(EditData*);
void removeText(EditData*);
public:
ChangeText(const TextCursor* tc, const QString& t) : c(*tc), s(t) {}
virtual void undo(EditData*) override = 0;
virtual void redo(EditData*) override = 0;
const TextCursor& cursor() const { return c; }
const QString& string() const { return s; }
};
//---------------------------------------------------------
// InsertText
//---------------------------------------------------------
class InsertText : public ChangeText {
public:
InsertText(const TextCursor* tc, const QString& t) : ChangeText(tc, t) {}
virtual void redo(EditData* ed) override { insertText(ed); }
virtual void undo(EditData* ed) override { removeText(ed); }
UNDO_NAME("InsertText")
};
//---------------------------------------------------------
// RemoveText
//---------------------------------------------------------
class RemoveText : public ChangeText {
public:
RemoveText(const TextCursor* tc, const QString& t) : ChangeText(tc, t) {}
virtual void redo(EditData* ed) override { removeText(ed); }
virtual void undo(EditData* ed) override { insertText(ed); }
UNDO_NAME("InsertText")
};
//---------------------------------------------------------
// SplitJoinText
//---------------------------------------------------------
class SplitJoinText : public UndoCommand {
protected:
TextCursor c;
virtual void split(EditData*);
virtual void join(EditData*);
public:
SplitJoinText(const TextCursor* tc) : c(*tc) {}
};
//---------------------------------------------------------
// SplitText
//---------------------------------------------------------
class SplitText : public SplitJoinText {
virtual void undo(EditData* data) override { join(data); }
virtual void redo(EditData* data) override { split(data); }
public:
SplitText(const TextCursor* tc) : SplitJoinText(tc) {}
UNDO_NAME("SplitText");
};
//---------------------------------------------------------
// JoinText
//---------------------------------------------------------
class JoinText : public SplitJoinText {
virtual void undo(EditData* data) override { split(data); }
virtual void redo(EditData* data) override { join(data); }
public:
JoinText(const TextCursor* tc) : SplitJoinText(tc) {}
UNDO_NAME("JoinText");
};
} // namespace Ms
#endif
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