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//=========================================================
// MusE
// Linux Music Editor
// $Id: ctrlcanvas.h,v 1.7.2.4 2009/06/01 20:15:53 spamatica Exp $
// (C) Copyright 1999 Werner Schweer (ws@seh.de)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; version 2 of
// the License, or (at your option) any later version.
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=========================================================
#ifndef __CTRLCANVAS_H__
#define __CTRLCANVAS_H__
#include <list>
#include "type_defs.h"
#include "view.h"
#include "tools.h"
#include "midictrl.h"
#include "event.h"
class QWheelEvent;
class QMouseEvent;
class QEvent;
class QWidget;
namespace MusECore {
class Event;
class MidiPart;
class MidiTrack;
class PartList;
}
namespace MusEGui {
class CtrlPanel;
class MidiEditor;
//---------------------------------------------------------
// CEvent
// ''visual'' Controller Event
//---------------------------------------------------------
class CEvent {
private:
MusECore::Event _event;
int _val;
MusECore::MidiPart* _part;
int ex;
public:
CEvent(MusECore::Event e, MusECore::MidiPart* part, int v);
MusECore::Event event() const { return _event; }
void setEvent(MusECore::Event& ev) { _event = ev; }
bool selected() const { return !_event.empty() && _event.selected(); }
void setSelected(bool v) { if(!_event.empty()) _event.setSelected(v); }
int val() const { return _val; }
void setVal(int v) { _val = v; }
void setEX(int v) { ex = v; }
MusECore::MidiPart* part() const { return _part; }
bool contains(int x1, int x2) const;
bool intersects(const MusECore::MidiController*, const QRect&, const int tickstep, const int windowHeight) const;
int x() { return ex; }
};
typedef std::list<CEvent*>::iterator iCEvent;
typedef std::list<CEvent*>::const_iterator ciCEvent;
//---------------------------------------------------------
// CEventList
// Controller Item List
//---------------------------------------------------------
class CEventList: public std::list<CEvent*> {
public:
void add(CEvent* item) { push_back(item); }
void clearDelete();
};
//---------------------------------------------------------
// CtrlCanvas
//---------------------------------------------------------
class CtrlCanvas : public MusEGui::View {
Q_OBJECT
MidiEditor* editor;
MusECore::MidiTrack* curTrack;
MusECore::MidiPart* curPart;
MusECore::MidiCtrlValList* ctrl;
MusECore::MidiController* _controller;
CtrlPanel* _panel;
int _cnum;
int _dnum; // Current real drum controller number (anote).
int _didx; // Current real drum controller index.
int line1x;
int line1y;
int line2x;
int line2y;
bool drawLineMode;
bool noEvents;
bool filterTrack;
void viewMousePressEvent(QMouseEvent* event);
void viewMouseMoveEvent(QMouseEvent*);
void viewMouseReleaseEvent(QMouseEvent*);
virtual void wheelEvent(QWheelEvent*);
virtual void draw(QPainter&, const QRect&);
virtual void pdraw(QPainter&, const QRect&);
virtual void drawOverlay(QPainter& p);
virtual QRect overlayRect() const;
void changeValRamp(int x1, int x2, int y1, int y2);
void newValRamp(int x1, int y1, int x2, int y2);
void changeVal(int x1, int x2, int y);
void newVal(int x1, int y);
void newVal(int x1, int y1, int x2, int y2);
void deleteVal(int x1, int x2, int y);
bool setCurTrackAndPart();
void pdrawItems(QPainter& p, const QRect& rect, const MusECore::MidiPart* part, bool velo, bool fg);
void pdrawExtraDrumCtrlItems(QPainter& p, const QRect& rect, const MusECore::MidiPart* part, int drum_ctl);
void partControllers(const MusECore::MidiPart*, int, int*, int*, MusECore::MidiController**, MusECore::MidiCtrlValList**);
protected:
enum DragMode { DRAG_OFF, DRAG_NEW, DRAG_MOVE_START, DRAG_MOVE,
DRAG_DELETE, DRAG_COPY_START, DRAG_COPY,
DRAG_RESIZE, DRAG_LASSO_START, DRAG_LASSO
};
CEventList items;
CEventList selection;
CEventList moving;
CEvent* curItem;
DragMode drag;
QRect lasso;
QPoint start;
MusEGui::Tool tool;
unsigned pos[3];
int curDrumPitch; //Used by the drum-editor to view velocity of only one key (one drum)
bool _perNoteVeloMode;
void leaveEvent(QEvent*e);
QPoint raster(const QPoint&) const;
// selection
bool isSingleSelection() { return selection.size() == 1; }
void deselectAll();
void selectItem(CEvent* e);
void deselectItem(CEvent* e);
void setMidiController(int);
void updateItems();
void updateSelections();
private slots:
void songChanged(MusECore::SongChangedFlags_t type);
void configChanged();
void setCurDrumPitch(int);
public slots:
void setTool(int t);
void setPos(int, unsigned, bool adjustScrollbar);
void setController(int ctrl);
void curPartHasChanged(MusECore::Part*);
signals:
void followEvent(int);
void xposChanged(unsigned);
void yposChanged(int);
void redirectWheelEvent(QWheelEvent*);
public:
CtrlCanvas(MidiEditor*, QWidget* parent, int,
const char* name = 0, CtrlPanel* pnl = 0);
~CtrlCanvas();
void setPanel(CtrlPanel* pnl);
MusECore::MidiCtrlValList* ctrlValList() { return ctrl; }
MusECore::MidiController* controller() { return _controller; }
MusECore::MidiTrack* track() const { return curTrack; }
int getCurDrumPitch() const { return curDrumPitch; }
bool perNoteVeloMode() const { return _perNoteVeloMode; }
void setPerNoteVeloMode(bool);
};
} // namespace MusEGui
#endif
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