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/**************************************************************************
channel.h - The KMidChannel widget (with pure virtual members)
Copyright (C) 1998 Antonio Larrosa Jimenez
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; either 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.
Send comments and bug fixes to larrosa@kde.org
or to Antonio Larrosa, Rio Arnoya, 10 5B, 29006 Malaga, Spain
***************************************************************************/
#ifndef KMIDCHANNEL_H
#define KMIDCHANNEL_H
#include <qwidget.h>
#include <qpixmap.h>
#define CHANNELHEIGHT 71
#define KEYBOARDY CHANNELHEIGHT-46
#define CHN_CHANGE_PGM 1
#define CHN_CHANGE_FORCED_STATE 2
class QFont;
class QComboBox;
class KMidButton;
class KMidChannel : public QWidget
{
Q_OBJECT
private:
bool pressed[128]; // The 128 keys
int channel;
bool replay; // Indicates if music should restart playing after
// changing the force state
protected:
QPixmap keyboard;
QPixmap button1;
QPixmap button2;
QComboBox *instrumentCombo;
KMidButton *forcepgm;
QFont *qcvfont;
QPen *penB; // Black
QPen *penW; // White
QPen *penT; // "Transparent" for Background
void paintEvent( QPaintEvent * );
public:
KMidChannel(int i,QWidget *Parent);
virtual ~KMidChannel();
void drawKeyboard(QPainter *qpaint);
void drawPressedKeys(QPainter *qpaint);
void drawKey(QPainter *qpaint,int key);
virtual void drawDo (QPainter *qpaint,int x,int p) = 0;
virtual void drawDo__ (QPainter *qpaint,int x,int p) = 0;
virtual void drawRe (QPainter *qpaint,int x,int p) = 0;
virtual void drawRe__ (QPainter *qpaint,int x,int p) = 0;
virtual void drawMi (QPainter *qpaint,int x,int p) = 0;
virtual void drawFa (QPainter *qpaint,int x,int p) = 0;
virtual void drawFa__ (QPainter *qpaint,int x,int p) = 0;
virtual void drawSol (QPainter *qpaint,int x,int p) = 0;
virtual void drawSol__(QPainter *qpaint,int x,int p) = 0;
virtual void drawLa (QPainter *qpaint,int x,int p) = 0;
virtual void drawLa__ (QPainter *qpaint,int x,int p) = 0;
virtual void drawSi (QPainter *qpaint,int x,int p) = 0;
void noteOn(int key);
void noteOff(int key);
void changeInstrument(int pgm);
void changeForceState(bool i);
void reset(int level=1); // 0 only release notes, 1 also set instr to 0 ...
void saveState(bool *p,int *pgm);
void loadState(bool *p,int *pgm);
public slots:
void pgmChanged(int i);
void changeForcedState(bool);
signals:
void signalToKMidClient(int *data);
};
#endif
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