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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 __ECANVAS_H__
#define __ECANVAS_H__
#include "al/pos.h"
#include "awl/tcanvas.h"
#include "widgets/noteinfo.h"
#include "citem.h"
#include "ctrl/ctrledit.h"
#include "widgets/tb1.h"
class MidiTrack;
class MidiEditor;
class MidiEvent;
class Part;
class Event;
class CtrlEdit;
//---------------------------------------------------------
// EventCanvas
//---------------------------------------------------------
class EventCanvas : public TimeCanvas {
Q_OBJECT
int startPitch; // on start dragging events
int deltaPitch;
int keyDown; // pressed key on piano keypad (or drum instrument list)
int playedPitch;
void noteOn(int pitch, int velocity, bool shift);
void noteOff(int pitch);
virtual void layout();
virtual void magChanged();
protected:
enum DragMode {
DRAG_OFF, DRAG_NEW,
DRAG_MOVE_START, DRAG_MOVE,
DRAG_COPY_START, DRAG_COPY,
DRAGX_MOVE, DRAGY_MOVE,
DRAGX_COPY, DRAGY_COPY,
DRAG_DELETE,
DRAG_RESIZE, DRAG_LASSO_START, DRAG_LASSO,
};
enum DragType {
MOVE_MOVE, MOVE_COPY
};
CtrlEditList ctrlEditList;
MidiEditor* editor;
CItemList items;
CItemList moving;
CItem* curItem;
Part* curPart;
int canvasTools;
int curSplitter; // -1 mouse not in splitter
bool dragSplitter;
int splitterY;
DragMode drag;
QRect lasso;
QPoint start;
QMenu* itemPopupMenu;
QMenu* canvasPopupMenu;
unsigned startTick, endTick;
int curVelo;
virtual void mousePress(QMouseEvent*);
virtual void mouseDoubleClick(QMouseEvent*);
virtual void mouseMove(QPoint);
virtual void enterB();
virtual void leaveB();
virtual void mouseRelease(QMouseEvent*);
void layoutPanelB(CtrlEdit* c);
void updateSelection();
virtual CItem* searchItem(const QPoint& p) const = 0;
virtual void addItem(Part*, const Event&) = 0;
virtual void moveItem(CItem*, DragType) = 0;
virtual CItem* newItem(const QPoint&, int state) = 0;
virtual void newItem(CItem*, bool noSnap=false) = 0;
virtual bool deleteItem(CItem*) = 0;
virtual void resizeItem(CItem*, bool noSnap=false) = 0;
virtual void startDrag(CItem*, bool) {}
virtual QMenu* genItemPopup(CItem*) { return 0; }
virtual void itemPopup(CItem*, int, const QPoint&) {}
virtual void itemReleased() {}
virtual void itemPressed(const CItem*) {}
virtual void itemMoved(const CItem*) {}
virtual void addController();
void endMoveItems(DragType);
virtual void selectItem(CItem* e, bool);
virtual void deselectAll();
QMenu* genCanvasPopup();
void canvasPopup(int);
virtual void startUndo(DragType);
virtual void endUndo(DragType);
virtual void selectLasso(bool) {}
void setCursor();
virtual void deleteItem(const QPoint&);
void moveItems(const QPoint& pos, int dir);
void mousePressCanvasA(QPoint pos);
void mousePressCanvasA(QMouseEvent*);
void mouseMoveCanvasA(QPoint pos);
void mouseReleaseCanvasA(QMouseEvent*);
virtual void paintControllerCanvas(QPainter&, QRect);
virtual void paintControllerPanel(QPainter&, QRect);
void pasteAt(const QString& pt, unsigned pos);
void updatePartControllerList();
private slots:
void removeController(QAction*);
void midiNote(const MidiEvent&);
public slots:
void setQuant(int) { update(); }
void songChanged(int);
signals:
void selectionChanged(int, Event&, Part*);
void enterCanvas();
void yChanged(int); // emitted from mouseMove in controller canvas
public:
EventCanvas(MidiEditor*, TimeCanvasType);
MidiTrack* track() const;
Part* part() const { return curPart; }
QString getCaption() const;
void range(AL::Pos& s, AL::Pos& e) const;
void selectFirst();
virtual void modifySelected(NoteInfo::ValType, int) {}
virtual void keyPress(QKeyEvent*);
int selectionSize() const;
void setCurPart(Part*);
QMimeData* getTextDrag();
CItemList* getItems() { return &items; }
CtrlEditList* getCtrlEditors() { return &ctrlEditList; }
const CtrlEditList* getCtrlEditors() const { return &ctrlEditList; }
void addController(int id, int h);
void layout1();
};
extern void paintVLine(QPainter& p, int y1, int y2, int x);
#endif
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