code.delx.au - virtualtones/blob - pianoinstrument.h

   1 // pianoinstrument.h - A piano simulator
   2 // Written by James Bunton <james@delx.cjb.net>
   3 // Licensed under the GPL, see COPYING.txt for more details
   4
   5
   6 #ifndef PIANOINSTRUMENT_H
   7 #define PIANOINSTRUMENT_H
   8
   9 #include <qwidget.h>
  10 #include <qpixmap.h>
  11 #include <qpainter.h>
  12
  13 #include "instrument.h"
  14
  15
  16 class PianoInstrument : public Instrument
  17 {
  18 Q_OBJECT
  19         public:
  20                 PianoInstrument(QWidget *parent);
  21                 ~PianoInstrument();
  22
  23         protected:
  24                 QString generateHelp();
  25                 void paintEvent(QPaintEvent *);
  26                 void keyPressEvent(QKeyEvent *);
  27                 void keyReleaseEvent(QKeyEvent *);
  28
  29         private:
  30                 void paintPart(QPainter &paint, int start, int stop, int y, bool sharp);
  31                 void copyArray(bool source[26], bool dest[26]);
  32                 void emitSounds();
  33
  34                 bool oldNotes[26];
  35                 bool notes[26];
  36 };
  37
  38
  39
  40 #endif