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//=========================================================
// MusE
// Linux Music Editor
// software synthesizer helper library
// $Id: gui.h,v 1.4 2004/06/19 09:50:37 wschweer Exp $
//
// (C) Copyright 2004 Werner Schweer (ws@seh.de)
//=========================================================
#ifndef __SYNTH_GUI_H__
#define __SYNTH_GUI_H__
#include "mpevent.h"
const int EVENT_FIFO_SIZE = 256;
class QWidget;
//---------------------------------------------------------
// MessGui
// manage IO from synti-GUI to Host
//---------------------------------------------------------
class MessGui {
int writeFd;
// Event Fifo synti -> GUI
MidiPlayEvent rFifo[EVENT_FIFO_SIZE];
volatile int rFifoSize;
int rFifoWindex;
int rFifoRindex;
// Event Fifo GUI -> synti
MidiPlayEvent wFifo[EVENT_FIFO_SIZE];
volatile int wFifoSize;
int wFifoWindex;
int wFifoRindex;
protected:
int readFd;
void readMessage();
void sendEvent(const MidiPlayEvent& ev);
void sendController(int,int,int);
void sendSysex(unsigned char*, int);
virtual void processEvent(const MidiPlayEvent&) {};
public:
MessGui();
virtual ~MessGui();
void writeEvent(const MidiPlayEvent&);
int fifoSize() const { return wFifoSize; }
MidiPlayEvent readEvent();
};
//---------------------------------------------------------
// SynthGuiCtrl
//---------------------------------------------------------
struct SynthGuiCtrl {
enum EditorType { SLIDER, SWITCH, COMBOBOX };
QWidget* editor;
QWidget* label;
EditorType type;
SynthGuiCtrl() {}
SynthGuiCtrl(QWidget* w, QWidget* l, const EditorType t)
: editor(w), label(l), type(t) {}
};
#endif
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