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//=============================================================================
// Awl
// Audio Widget Library
// $Id:$
//
// 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 __TCANVAS_H__
#define __TCANVAS_H__
#include "al/pos.h"
#include "al/marker.h"
#define MAP_OFFSET 20
enum TimeCanvasType {
TIME_CANVAS, TIME_CANVAS_PIANOROLL, TIME_CANVAS_DRUMEDIT
};
enum Tool {
PointerTool=1, PencilTool=2, RubberTool=4, CutTool=8,
GlueTool=16, QuantTool=32, DrawTool=64, MuteTool=128
};
enum FollowMode {
FOLLOW_NO, FOLLOW_JUMP, FOLLOW_CONTINUOUS
};
static const int rulerHeight = 28;
static const int pianoWidth = 40;
static const int drumWidth = 120;
static const int drumHeight = 18;
static const int keyHeight = 13;
//---------------------------------------------------------
// TimeCanvas
//
// Layout:
// Button Ruler
// panelA canvasA
// panelB canvasB
//
// Pianoroll:
// panelA -> keyboard
//
// Drumeditor:
// panelA -> instrument list
//
//---------------------------------------------------------
class TimeCanvas : public QFrame {
Q_OBJECT
int yRange;
bool _yFit;
AL::Pos pos1; // time scroll range
AL::Pos pos2;
int metronomeRulerMag;
double _xmagMin, _xmagMax;
double _ymagMin, _ymagMax;
AL::TType _timeType;
AL::MarkerList* marker;
QScrollBar* hbar;
QScrollBar* vbar;
QSlider* vmag;
QSlider* hmag;
QToolButton* timeTypeButton;
QGridLayout* grid;
QColor canvasBackgroundColor;
QPixmap canvasBackgroundPixmap;
int dragType;
bool followPos;
//
// pianoroll variables
//
static QPixmap* octave;
static QPixmap* mk1;
static QPixmap* mk2;
static QPixmap* mk3;
static QPixmap* mk4;
QPushButton* addCtrlButton;
bool mouseInB;
void updateScrollBars();
void canvasPaintEvent(const QRect&, QPainter&);
void paintCanvas(QPainter&, const QRect&);
void paintMetronomRuler(QPainter&, const QRect&);
void paintClockRuler(QPainter&, const QRect&);
void initPianoroll();
void paintPiano(QPainter&, QRect);
void paintPianorollHorizontalGrid(QPainter&, QRect);
void paintDrumeditHorizontalGrid(QPainter&, QRect);
void updateGeometry();
double s2xmag(int val);
int xmag2s(double m);
void updateRulerMag();
protected:
TimeCanvasType type;
Tool _tool;
QRect rButton, rPanelA, rPanelB, rRuler, rCanvasA, rCanvasB;
AL::Pos pos[3];
bool showCursor;
AL::Pos cursor;
QWidget* _widget;
AL::Pos partPos1; // active time range for midi editors
AL::Pos partPos2;
QPoint wpos; // "widget" position
double _xmag, _ymag;
int ctrlHeight;
int curPitch;
int _raster;
int button;
Qt::KeyboardModifiers keyState;
bool eventFilter(QObject*, QEvent*);
virtual void paint(QPainter&, QRect) {}
virtual void mousePress(QMouseEvent*) {}
virtual void mouseMove(QPoint) {}
virtual void mouseRelease(QMouseEvent*) {}
virtual void mouseDoubleClick(QMouseEvent*) {}
virtual void paintDrumList(QPainter&, QRect) {}
virtual void layout() {}
virtual void enterB() {}
virtual void leaveB() {}
virtual void setCursor();
virtual void timeTypeChanged() {}
virtual void magChanged() {}
virtual void paintControllerCanvas(QPainter&, QRect) {}
virtual void paintControllerPanel(QPainter&, QRect) {}
virtual void dragEnter(QDragEnterEvent*) {}
virtual void drop(QDropEvent*) {}
virtual void dragMove(QDragMoveEvent*) {}
virtual void dragLeave(QDragLeaveEvent*) {}
virtual void addController() {}
// map logical coordinates to physical coordinates (pixel)
int mapx(int x) const;
int mapy(int y) const { return lrint(y * _ymag) - wpos.y(); }
int rmapx(int x) const { return lrint(x * _xmag); }
int rmapy(int y) const { return lrint(y * _ymag); }
QPoint map(const QPoint& p) const {
return QPoint(mapx(p.x()), mapy(p.y()));
}
QPoint rmap(const QPoint& p) const {
return QPoint(rmapx(p.x()), rmapy(p.y()));
}
// map physical coordinates (pixel) to logical coordinates
int mapxDev(int x) const;
int rmapxDev(int x) const { return lrint(x / _xmag); }
int mapyDev(int y) const {
int val = lrint((y + wpos.y()) / _ymag);
return val < 0 ? 0 : val;
}
QPoint mapDev(const QPoint& p) const {
return QPoint(mapxDev(p.x()), mapyDev(p.y()));
}
virtual int y2pitch(int y) const;
virtual int pitch2y(int pitch) const;
void setTimeType1(AL::TType t);
void setPart(const AL::Pos& p1, const AL::Pos& p2);
private slots:
void moveX(int);
void scaleX(int);
void scaleY(int);
void toggleTimeType();
void addCtrlClicked();
signals:
void posChanged(int, const AL::Pos&); // emitted from ruler
void cursorPos(const AL::Pos&, bool);
void contentsMoving(int, int);
void addMarker(const AL::Pos&);
void removeMarker(const AL::Pos&);
void pitchChanged(int);
void toolChanged(int);
public slots:
void setLocatorPos(int idx, const AL::Pos&, bool follow);
void setVSize(int);
virtual void setRaster(int);
void setYPos(int);
void moveY(int);
void setEndPos(const AL::Pos&);
void tempoChanged();
void setTool(int);
void setFollow(bool val) { followPos = val; }
public:
TimeCanvas(TimeCanvasType = TIME_CANVAS);
void setTimeRange(const AL::Pos&, const AL::Pos&);
void setMag(double, double);
double xmag() const { return _xmag; }
double ymag() const { return _ymag; }
void setYMagRange(double, double);
void setYFit(bool val) { _yFit = val; }
QPoint getWPos() const { return wpos; }
QWidget* widget() const { return _widget; }
void setWPos(const QPoint& p);
void setTimeType(AL::TType t);
AL::TType timeType() const { return _timeType; }
void setMarkerList(AL::MarkerList*);
void setCornerWidget(QWidget* w);
void resizeController(int);
int raster() const { return _raster; }
AL::Pos pix2pos(int x) const;
int pos2pix(const AL::Pos&) const;
QScrollBar* verticalScrollBar() const { return vbar; }
Tool tool() const { return _tool; }
void setCanvasBackground(const QColor& color);
void setCanvasBackground(const QPixmap& pm);
void updateCanvasB() { _widget->update(rCanvasB); }
void updateRuler() { _widget->update(rRuler); }
static FollowMode followMode;
friend class CtrlEdit;
};
#endif
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