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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 __SIMPLETEXT_H__
#define __SIMPLETEXT_H__
#include "element.h"
#include "style.h"
#include "elementlayout.h"
namespace Ms {
class MuseScoreView;
struct SymCode;
class Text;
enum class CharFormatType : char { TEXT, SYMBOL };
enum class VerticalAlignment : char { AlignNormal, AlignSuperScript, AlignSubScript };
enum class FormatId : char { Bold, Italic, Underline, Valign, FontSize, FontFamily };
//---------------------------------------------------------
// CharFormat
//---------------------------------------------------------
class CharFormat {
CharFormatType _type { CharFormatType::TEXT };
bool _bold { false };
bool _italic { false };
bool _underline { false };
bool _preedit { false };
VerticalAlignment _valign { VerticalAlignment::AlignNormal };
qreal _fontSize { 12.0 };
QString _fontFamily;
public:
CharFormat() {}
bool operator==(const CharFormat&) const;
CharFormatType type() const { return _type; }
bool bold() const { return _bold; }
bool italic() const { return _italic; }
bool underline() const { return _underline; }
bool preedit() const { return _preedit; }
VerticalAlignment valign() const { return _valign; }
qreal fontSize() const { return _fontSize; }
QString fontFamily() const { return _fontFamily; }
void setType(CharFormatType val) { _type = val; }
void setBold(bool val) { _bold = val; }
void setItalic(bool val) { _italic = val; }
void setUnderline(bool val) { _underline = val; }
void setPreedit(bool val) { _preedit = val; }
void setValign(VerticalAlignment val) { _valign = val; }
void setFontSize(qreal val) { _fontSize = val; }
void setFontFamily(const QString& val) { _fontFamily = val; }
void setFormat(FormatId, QVariant);
};
//---------------------------------------------------------
// TextCursor
// Contains current position and start of selection
// during editing.
//---------------------------------------------------------
class TextCursor {
Text* _text;
CharFormat _format;
int _line { 0 };
int _column { 0 };
int _selectLine { 0 }; // start of selection
int _selectColumn { 0 };
public:
TextCursor() {}
bool hasSelection() const { return (_selectLine != _line) || (_selectColumn != _column); }
void clearSelection();
CharFormat* format() { return &_format; }
void setFormat(const CharFormat& f) { _format = f; }
int line() const { return _line; }
int column() const { return _column; }
int selectLine() const { return _selectLine; }
int selectColumn() const { return _selectColumn; }
void setLine(int val) { _line = val; }
void setColumn(int val) { _column = val; }
void setSelectLine(int val) { _selectLine = val; }
void setSelectColumn(int val) { _selectColumn = val; }
void setText(Text* t) { _text = t; }
int columns() const;
void initFromStyle(const TextStyle& s);
};
class Text;
//---------------------------------------------------------
// TextFragment
// contains a styled text of symbol with name "text"
//---------------------------------------------------------
class TextFragment {
public:
mutable CharFormat format;
QPointF pos; // y is relative to TextBlock->y()
mutable QString text;
QList<SymId> ids;
bool operator ==(const TextFragment& f) const;
TextFragment();
TextFragment(const QString& s);
TextFragment(TextCursor*, SymId);
TextFragment(TextCursor*, const QString&);
TextFragment split(int column);
void draw(QPainter*, const Text*) const;
QFont font(const Text*) const;
int columns() const;
void changeFormat(FormatId id, QVariant data);
};
//---------------------------------------------------------
// TextBlock
// represents a block of formatted text
//---------------------------------------------------------
class TextBlock {
QList<TextFragment> _text;
qreal _y = 0;
qreal _lineSpacing;
QRectF _bbox;
bool _eol = false;
void simplify();
public:
TextBlock() {}
bool operator ==(const TextBlock& x) { return _text == x._text; }
bool operator !=(const TextBlock& x) { return _text != x._text; }
void draw(QPainter*, const Text*) const;
void layout(Text*);
const QList<TextFragment>& fragments() const { return _text; }
QList<TextFragment>& fragments() { return _text; }
const QRectF& boundingRect() const { return _bbox; }
QRectF boundingRect(int col1, int col2, const Text*) const;
int columns() const;
void insert(TextCursor*, const QString&);
void insert(TextCursor*, SymId);
void remove(int column);
QString remove(int start, int n);
int column(qreal x, Text*) const;
TextBlock split(int column);
qreal xpos(int col, const Text*) const;
const CharFormat* formatAt(int) const;
const TextFragment* fragment(int col) const;
QList<TextFragment>::iterator fragment(int column, int* rcol, int* ridx);
qreal y() const { return _y; }
void setY(qreal val) { _y = val; }
qreal lineSpacing() const { return _lineSpacing; }
QString text(int, int) const;
bool eol() const { return _eol; }
void setEol(bool val) { _eol = val; }
void changeFormat(FormatId, QVariant val, int start, int n);
};
//---------------------------------------------------------
// @@ MText
/// Graphic representation of a text.
//
// @P text string the raw text
// @P textStyleType enum (TextStyleType.DEFAULT, .TITLE, .SUBTITLE, .COMPOSER, .POET, .LYRIC1, .LYRIC2, .FINGERING, .LH_GUITAR_FINGERING, .RH_GUITAR_FINGERING, .STRING_NUMBER, .INSTRUMENT_LONG, .INSTRUMENT_SHORT, .INSTRUMENT_EXCERPT, .DYNAMICS, .TECHNIQUE, .TEMPO, .METRONOME, .MEASURE_NUMBER, .TRANSLATOR, .TUPLET, .SYSTEM, .STAFF, .HARMONY, .REHEARSAL_MARK, .REPEAT_LEFT, .REPEAT_RIGHT, .REPEAT, .VOLTA, .FRAME, .TEXTLINE, .GLISSANDO, .OTTAVA, .PEDAL, .HAIRPIN, .BENCH, .HEADER, .FOOTER, .INSTRUMENT_CHANGE, .FIGURED_BASS)
//---------------------------------------------------------
class Text : public Element {
Q_OBJECT
Q_PROPERTY(QString text READ xmlText WRITE undoSetText)
Q_PROPERTY(Ms::MSQE_TextStyleType::E textStyleType READ qmlTextStyleType WRITE qmlUndoSetTextStyleType)
Q_ENUMS(Ms::MSQE_TextStyleType::E)
QString _text;
QString oldText; // used to remember original text in edit mode
QString preEdit;
QList<TextBlock> _layout;
TextStyleType _styleIndex;
bool _layoutToParentWidth { false };
bool _editMode { false };
int hexState { -1 };
TextStyle _textStyle;
TextCursor* _cursor; // used during editing
const TextBlock& curLine() const;
TextBlock& curLine();
void drawSelection(QPainter*, const QRectF&) const;
void insert(TextCursor*, QChar, QChar);
void insert(TextCursor*, QChar);
void insert(TextCursor*, SymId);
void updateCursorFormat(TextCursor*);
void genText();
void changeSelectionFormat(FormatId id, QVariant val);
void setEditMode(bool val) { _editMode = val; }
void editInsertText(const QString&);
QChar currentCharacter() const;
protected:
QColor textColor() const;
QColor frameColor() const;
QRectF frame; // calculated in layout()
void layoutFrame();
void layoutEdit();
void createLayout();
const TextBlock& textBlock(int line) { return _layout[line]; }
public:
Text(Score* = 0);
Text(const Text&);
~Text();
virtual Text* clone() const override { return new Text(*this); }
virtual Element::Type type() const override { return Element::Type::TEXT; }
virtual bool mousePress(const QPointF&, QMouseEvent* ev) override;
Text &operator=(const Text&) = delete;
virtual void draw(QPainter*) const override;
virtual void setColor(const QColor& c) override;
virtual QColor color() const { return textStyle().foregroundColor(); }
virtual void setTextStyle(const TextStyle& st);
const TextStyle& textStyle() const { return _textStyle; }
TextStyle& textStyle() { return _textStyle; }
TextStyleType textStyleType() const { return _styleIndex; }
void setTextStyleType(TextStyleType);
void restyle(TextStyleType);
Ms::MSQE_TextStyleType::E qmlTextStyleType() const { return static_cast<Ms::MSQE_TextStyleType::E>(_styleIndex); }
void qmlUndoSetTextStyleType(Ms::MSQE_TextStyleType::E st) { undoChangeProperty(P_ID::TEXT_STYLE_TYPE, int(st)); }
void setPlainText(const QString&);
void setXmlText(const QString&);
QString xmlText() const { return _text; }
QString plainText(bool noSym = false) const;
void insertText(const QString&);
bool editMode() const { return _editMode; }
virtual void layout() override;
virtual void layout1();
void sameLayout();
qreal lineSpacing() const;
qreal lineHeight() const;
virtual qreal baseLine() const override;
bool isEmpty() const { return _text.isEmpty(); }
void clear() { _text.clear(); }
bool layoutToParentWidth() const { return _layoutToParentWidth; }
void setLayoutToParentWidth(bool v) { _layoutToParentWidth = v; }
void startEdit(MuseScoreView*, const QPointF&);
void endEdit();
bool edit(MuseScoreView*, Grip, int key, Qt::KeyboardModifiers, const QString&);
void setFormat(FormatId, QVariant);
bool deletePreviousChar();
bool deleteChar();
void deleteSelectedText();
bool movePosition(QTextCursor::MoveOperation op,
QTextCursor::MoveMode mode = QTextCursor::MoveAnchor, int count = 1);
bool setCursor(const QPointF& p,
QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
void moveCursorToEnd() { movePosition(QTextCursor::End); }
void moveCursorToStart() { movePosition(QTextCursor::Start); }
QString selectedText() const;
void insertSym(SymId);
void selectAll();
virtual bool systemFlag() const { return textStyle().systemFlag(); }
virtual void write(Xml& xml) const override;
virtual void read(XmlReader&) override;
virtual void writeProperties(Xml& xml) const { writeProperties(xml, true, true); }
void writeProperties(Xml& xml, bool writeText) const { writeProperties(xml, writeText, true); }
void writeProperties(Xml&, bool, bool) const;
bool readProperties(XmlReader&);
void spellCheckUnderline(bool) {}
virtual void textStyleChanged();
virtual void paste();
QRectF pageRectangle() const;
QRectF cursorRect() const;
TextCursor* cursor() { return _cursor; }
void setAbove(bool val) { textStyle().setYoff(val ? -2.0 : 7.0); }
void dragTo(const QPointF&);
virtual QLineF dragAnchor() const override;
QVariant getProperty(P_ID propertyId) const;
bool setProperty(P_ID propertyId, const QVariant& v);
virtual QVariant propertyDefault(P_ID id) const;
virtual bool acceptDrop(const DropData&) const override;
virtual Element* drop(const DropData&) override;
friend class TextBlock;
friend class TextFragment;
virtual void textChanged() {}
QString convertFromHtml(const QString& ss) const;
static QString convertToHtml(const QString&, const TextStyle&);
static QString tagEscape(QString s);
static QString unEscape(QString s);
static QString escape(QString s);
void undoSetText(const QString& s) { undoChangeProperty(P_ID::TEXT, s); }
virtual QString accessibleInfo() override;
virtual QString screenReaderInfo() override;
virtual int subtype() const;
virtual QString subtypeName() const;
QList<TextFragment> fragmentList() const; // for MusicXML formatted export
static bool validateText(QString& s);
bool inHexState() const { return hexState >= 0; }
void endHexState();
void inputTransition(QInputMethodEvent*);
friend class TextCursor;
};
} // namespace Ms
Q_DECLARE_METATYPE(Ms::MSQE_TextStyleType::E);
#endif
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