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/**************************************************************************
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channel.h - The KMidChannel widget (with pure virtual members)
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Copyright (C) 1998 Antonio Larrosa Jimenez
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.
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Send comments and bug fixes to larrosa@kde.org
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or to Antonio Larrosa, Rio Arnoya, 10 5B, 29006 Malaga, Spain
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***************************************************************************/
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#ifndef KMIDCHANNEL_H
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#define KMIDCHANNEL_H
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#include <qwidget.h>
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#include <qpixmap.h>
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#define CHANNELHEIGHT 71
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#define KEYBOARDY CHANNELHEIGHT-46
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#define CHN_CHANGE_PGM 1
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#define CHN_CHANGE_FORCED_STATE 2
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class QFont;
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class QComboBox;
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class KMidButton;
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class KMidChannel : public QWidget
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{
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Q_OBJECT
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private:
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bool pressed[128]; // The 128 keys
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int channel;
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bool replay; // Indicates if music should restart playing after
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// changing the force state
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protected:
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QPixmap keyboard;
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QPixmap button1;
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QPixmap button2;
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QComboBox *instrumentCombo;
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KMidButton *forcepgm;
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QFont *qcvfont;
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QPen *penB; // Black
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QPen *penW; // White
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QPen *penT; // "Transparent" for Background
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void paintEvent( QPaintEvent * );
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public:
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KMidChannel(int i,QWidget *Parent);
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virtual ~KMidChannel();
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void drawKeyboard(QPainter *qpaint);
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void drawPressedKeys(QPainter *qpaint);
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void drawKey(QPainter *qpaint,int key);
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virtual void drawDo (QPainter *qpaint,int x,int p) = 0;
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virtual void drawDo__ (QPainter *qpaint,int x,int p) = 0;
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virtual void drawRe (QPainter *qpaint,int x,int p) = 0;
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virtual void drawRe__ (QPainter *qpaint,int x,int p) = 0;
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virtual void drawMi (QPainter *qpaint,int x,int p) = 0;
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virtual void drawFa (QPainter *qpaint,int x,int p) = 0;
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virtual void drawFa__ (QPainter *qpaint,int x,int p) = 0;
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virtual void drawSol (QPainter *qpaint,int x,int p) = 0;
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virtual void drawSol__(QPainter *qpaint,int x,int p) = 0;
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virtual void drawLa (QPainter *qpaint,int x,int p) = 0;
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virtual void drawLa__ (QPainter *qpaint,int x,int p) = 0;
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virtual void drawSi (QPainter *qpaint,int x,int p) = 0;
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void noteOn(int key);
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void noteOff(int key);
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void changeInstrument(int pgm);
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void changeForceState(bool i);
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void reset(int level=1); // 0 only release notes, 1 also set instr to 0 ...
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void saveState(bool *p,int *pgm);
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void loadState(bool *p,int *pgm);
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public slots:
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void pgmChanged(int i);
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void changeForcedState(bool);
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signals:
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void signalToKMidClient(int *data);
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};
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#endif
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