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//=============================================================================
// MusE
// Linux Music Editor
// $Id:$
//
// Copyright (C) 2002-2006 by 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.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#ifndef __CANVAS_H__
#define __CANVAS_H__
#include "awl/tcanvas.h"
#include "widgets/tools.h"
class CanvasWidget;
class Part;
class Track;
class ArrangerTrack;
static const int HANDLE1 = 6;
static const int HANDLE2 = 3;
//---------------------------------------------------------
// PartCanvas
//---------------------------------------------------------
class PartCanvas : public TimeCanvas {
Q_OBJECT
// DRAG1 drag part head
// DRAG2 drag part tail
// DRAG3 drag whole part
// DRAG4 Drag&Drop drag
// DRAG5 draw part with pencil tool
enum { S_NORMAL, S_START_DRAG1, S_START_DRAG2, S_START_DRAG3,
S_DRAG1, S_DRAG2, S_DRAG3,
S_DRAG4,
S_START_DRAG5, S_DRAG5, // draw new Part
S_SUBTRACK
};
int state;
QPoint startDrag;
int _dragOffset;
QRect drag;
QTime startDragTime;
unsigned ppos, psize;
// values set by searchPart():
Track* track;
Part* part;
ArrangerTrack* at;
Part* srcPart; // src part of a drag/drop operation
bool _drawBackground;
int selected;
int lselected; // in local coordinates
int starty;
int dragy;
virtual void paint(QPainter&, QRect);
void drawWavePart(QPainter& p, Part* part, int, int, int, int);
void drawMidiPart(QPainter& p, Part* mp, int, int, int, int);
virtual void mousePress(QMouseEvent*);
virtual void mouseMove(QPoint);
virtual void mouseRelease(QMouseEvent*);
virtual void mouseDoubleClick(QMouseEvent*);
virtual void dragEnter(QDragEnterEvent*);
virtual void drop(QDropEvent*);
virtual void dragMove(QDragMoveEvent*);
virtual void dragLeave(QDragLeaveEvent*);
virtual void keyboardNavigate(QKeyEvent *e);
int searchPart(const QPoint& p);
void declonePart(Part* part);
void renamePart(Part*);
void splitPart(Part*, const QPoint&);
void cutPart(Part*);
void copyPart(Part*);
void setCursor();
int dragOffset() const { return _dragOffset; }
void drawHandle(QPainter& p, int x, int y) {
p.fillRect(x-HANDLE2, y-HANDLE2, HANDLE1, HANDLE1, x == lselected ? Qt::red : Qt::yellow);
}
void contextMenu(const QPoint&);
QRubberBand *rubberBand;
QPoint rubberBandStartPos;
private slots:
void markerChanged(int);
signals:
void kbdMovementUpdate(Track* t, Part* p);
void startEditor(Part*, int);
void createLRPart(Track*);
void partChanged(Part*, unsigned, unsigned);
void doubleClickPart(Part*);
public:
PartCanvas();
void setDrawBackground(bool val) { _drawBackground = val; }
};
#endif
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