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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2013 Werner Schweer and others
//
// 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 LICENSE.GPL
//=============================================================================
#ifndef __EXAMPLEVIEW_H__
#define __EXAMPLEVIEW_H__
#include "libmscore/mscoreview.h"
namespace Ms {
class Element;
class Score;
class Note;
class Chord;
class Icon;
enum class Grip : signed char;
//---------------------------------------------------------
// ExampleView
//---------------------------------------------------------
class ExampleView : public QFrame, public MuseScoreView {
Q_OBJECT
QTransform _matrix, imatrix;
QColor _bgColor;
QColor _fgColor;
QPixmap* bgPixmap;
QPixmap* fgPixmap;
Element* dragElement = 0;
const Element* dropTarget = 0; ///< current drop target during dragMove
QRectF dropRectangle; ///< current drop rectangle during dragMove
QLineF dropAnchor; ///< line to current anchor point during dragMove
QStateMachine* sm;
QPointF startMove;
void drawElements(QPainter& painter, const QList<Element*>& el);
void setDropTarget(const Element* el);
virtual void paintEvent(QPaintEvent*);
virtual void dragEnterEvent(QDragEnterEvent*);
virtual void dragLeaveEvent(QDragLeaveEvent*);
virtual void dragMoveEvent(QDragMoveEvent*);
virtual void wheelEvent(QWheelEvent*);
virtual void dropEvent(QDropEvent*);
virtual void mousePressEvent(QMouseEvent*);
void constraintCanvas(int *dxx);
virtual QSize sizeHint() const;
signals:
void noteClicked(Note*);
void beamPropertyDropped(Chord*, Icon*);
public:
ExampleView(QWidget* parent = 0);
void resetMatrix();
virtual void layoutChanged();
virtual void dataChanged(const QRectF&);
virtual void updateAll();
virtual void adjustCanvasPosition(const Element* el, bool playBack);
virtual void setScore(Score*);
virtual void removeScore();
virtual void changeEditElement(Element*);
virtual QCursor cursor() const;
virtual void setCursor(const QCursor&);
virtual int gripCount() const;
virtual const QRectF& getGrip(Grip) const;
virtual void setDropRectangle(const QRectF&);
virtual void cmdAddSlur(Note* firstNote, Note* lastNote);
virtual void cmdAddHairpin(bool) {}
virtual void startEdit();
virtual void startEdit(Element*, Grip);
virtual Element* elementNear(QPointF);
virtual void drawBackground(QPainter*, const QRectF&) const;
void dragExampleView(QMouseEvent* ev);
};
//---------------------------------------------------------
// DragTransitionExampleView
//---------------------------------------------------------
class DragTransitionExampleView : public QEventTransition
{
ExampleView* canvas;
protected:
virtual void onTransition(QEvent* e);
public:
DragTransitionExampleView(ExampleView* c)
: QEventTransition(c, QEvent::MouseMove), canvas(c) {}
};
} // namespace Ms
#endif
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