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