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