kc/src/libcmpp/fltk/Fl_DevCfgGroup.cpp

//| Copyright: (C) 2019-2020 Kevin Larke <contact AT larke DOT org> 
//| License: GNU GPL version 3.0 or above. See the accompanying LICENSE file.
#include <FL/Fl.H>
#include <FL/Fl_Widget.H>
#include <FL/Fl_Group.H>
#include <FL/Fl_Tabs.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Check_Button.H>
#include <FL/Fl_Box.H>
#include <Fl/Fl_Input.H>
#include <Fl/Fl_Value_Input.H>
#include <Fl/Fl_Menu_Button.H>

#include "cmGlobal.h"
#include "cmFloatTypes.h"
#include "cmRpt.h"
#include "cmErr.h"
#include "cmCtx.h"
#include "cmMem.h"
#include "cmMallocDebug.h"
#include "cmThread.h"
#include "cmJson.h"
#include "cmTime.h"
#include "cmAudioPort.h"
#include "cmMidi.h"
#include "cmMidiPort.h"
#include "cmUdpPort.h"
#include "cmRtSysMsg.h"
#include "cmRtNet.h"
#include "cmRtSys.h"
#include "cmDevCfg.h"

#include "Fl_DevCfgGroup.h"

#define DEVCFG_NONE_STR "None"

Fl_DevCfgGroup::Fl_DevCfgGroup(cmDevCfgH_t dcH, 
  int xx, int yy, int ww, int hh, const char* label )
  : Fl_Group(xx,yy,ww,hh,label),
    _dcH(dcH)
{

  typedef enum
  {
    kInvalidTId,
    kLabelTId,
    kBtnTId,
    kMenuBtnTId,
    kChkBtnTId,
    kInputTId,
    kValueTId
  } type_t;

  typedef struct
  {
    unsigned    id;
    type_t      tid;
    int         x;
    int         y;
    int         w;
    int         h;
    int         flags;
    const char* label;
  } recd_t;

  const int   r = -1;  // current row
  const int  rn = -2;  // next row
  const int  cn = -1;  // next column


  int r00 = 50;

  int c0 = 2;
  int c3 = 400;
  int c4 = 650;

  int lw = 250; // device/port/preset label widths
  int vw = 75;  // value widths
  int iw = 125;
  int dw = 400;

  int w = 100;
  int h = 25;

  int fl = 0;
  int fl1 = FL_WHEN_CHANGED;

  recd_t a[] =
  {
   
    { kLocLabelCId,          kLabelTId,    c0,r00,  w,  h,  fl,  "Location:" },
    { kLocMenuCId,           kMenuBtnTId,  c0, rn, lw,  h,  fl,  NULL },
    { kLocDeleteBtnCId,      kBtnTId,      cn,  r,  w,  h,  fl,  "Delete" },
    { kLocStringCId,         kInputTId,    c0, rn, lw,  h, fl1,  NULL },
    { kLocStoreBtnCId,       kBtnTId,      cn,  r,  w,  h,  fl,  "Create" },

    { kMidiLabelCId,         kLabelTId,    c0, rn,  w,  h,  fl,  "MIDI:" },
    { kMidiCfgMenuCId,       kMenuBtnTId,  c0, rn, lw,  h,  fl,  NULL },
    { kMidiDeleteBtnCId,     kBtnTId,      cn,  r,  w,  h,  fl,  "Delete" },
    { kMidiCfgDescCId,       kLabelTId,    c0, rn, dw,  h,  fl,  NULL },
    { kMidiCfgStringCId,     kInputTId,    c0, rn, lw,  h, fl1,  NULL },
    { kMidiApplyBtnCId,      kBtnTId,      cn,  r,  w,  h,  fl,  "Store" },
    { kMidiDevMenuCId,       kMenuBtnTId,  c0, rn, lw,  h, fl1,  NULL },
    { kMidiDevLabelCId,      kLabelTId,    cn,  r,  w,  h,  fl,  "MIDI Device"},
    { kMidiPortMenuCId,      kMenuBtnTId,  c0, rn, lw,  h, fl1,  NULL },
    { kMidiPortLabelCId,     kLabelTId,    cn,  r,  w,  h,  fl,  "MIDI Port"},
    { kMidiInputCheckCId,    kChkBtnTId,   c0, rn,  w,  h, fl1,  "Input"},

    { kAudioLabelCId,        kLabelTId,    c3,r00,  w,  h,  fl,  "Audio:" },
    { kAudioCfgMenuCId,      kMenuBtnTId,  c3, rn, lw,  h,  fl,  NULL },
    { kAudioDeleteBtnCId,    kBtnTId,      cn,  r,  w,  h,  fl,  "Delete" },
    { kAudioCfgDescCId,      kLabelTId,    c3, rn, dw,  h*2,fl, NULL },
    { kAudioCfgStringCId,    kInputTId,    c3, rn, lw,  h, fl1,  NULL },
    { kAudioApplyBtnCId,     kBtnTId,      cn,  r,  w,  h,  fl,  "Store" },
    { kAudioInDevMenuCId,    kMenuBtnTId,  c3, rn, lw,  h, fl1,  NULL },
    { kAudioInDevLabelCId,   kLabelTId,    cn,  r,  w,  h,  fl,  "Audio Input"},
    { kAudioOutDevMenuCId,   kMenuBtnTId,  c3, rn, lw,  h, fl1,  NULL },
    { kAudioOutDevLabelCId,  kLabelTId,    cn,  r,  w,  h, fl1,  "Audio Output"},
    { kAudioMsgQueSizeValCId,kValueTId,    c3, rn, vw,  h, fl1,  "Msg Queue Bytes" },
    { kAudioDevFpCValCId,    kValueTId,    c4,  r, vw,  h, fl1,  "Audio Frames" },
    { kAudioDspFpCValCId,    kValueTId,    c3, rn, vw,  h, fl1,  "DSP Frames" },
    { kAudioBufCntValCId,    kValueTId,    c4,  r, vw,  h, fl1,  "Buffer Count" },
    { kAudioSrateMenuCId,    kMenuBtnTId,  c3, rn,  w,  h, fl1,  "Rate" },
    { kAudioSyncInCheckCId,  kChkBtnTId,   c4,  r,  w,  h, fl1,  "Sync to Input"},
    { kAudioNetNodeStringCId,kInputTId,    c3, rn, vw,  h, fl1,  "Net Node Label"},
    { kAudioBcastAddrStringCId,kInputTId,  c4,  r, iw,  h, fl1,  "Bcast Address"},
    { kAudioIpAddrStringCId, kInputTId,    c3, rn, iw,  h, fl1,  "IP Address"},
    { kAudioIpPortValCId,    kValueTId,    c4,  r, vw,  h, fl1,  "IP Port"},
    { kAudioActiveCheckCId,  kChkBtnTId,   c3, rn,  w,  h, fl1,  "Active"},
    /*
    { kNetLabelCId,          kLabelTId,    c3, rn,  w,  h,  fl,  "Remote Network Nodes:" },
    { kNetCfgMenuCId,        kMenuBtnTId,  c3, rn, lw,  h,  fl,  NULL },
    { kNetDeleteBtnCId,      kBtnTId,      cn,  r,  w,  h,  fl,  "Delete" },
    { kNetCfgDescCId,        kLabelTId,    c3, rn, dw,  h,  fl,  NULL },
    { kNetCfgStringCId,      kInputTId,    c3, rn, lw,  h,  fl,  NULL },
    { kNetApplyBtnCId,       kBtnTId,      cn,  r,  w,  h,  fl,  "Store" },
    { kNetSockAddrStringCId, kInputTId,    c3, rn,  w,  h, fl1,  "IP Address" },
    { kNetPortNumbValCId,    kValueTId,    c4,  r, vw,  h, fl1,  "IP Port" },
    { kNetLocalCheckCId,     kChkBtnTId,   c3, rn,  w,  h, fl1,  "Local"},
    { kNetActiveCheckCId,    kChkBtnTId,   cn,  r, vw,  h, fl1,  "Active"},
    */
    { kInvalidCId,           kInvalidTId,   0,  0,  0,  0,  0, NULL }
  };

  const recd_t* d  = a;
  int           y  = r00;
  int           x  = c0;
  int           ny = 0;
  int           nx = 0;

  for(; d->id != kInvalidCId; ++d)
  {
    Fl_Widget* wp = NULL;
    ctl_t*     c = new ctl_t;

    c->id = d->id;
    c->p  = this;
    
    switch( d->y )
    {
      case  r:           break;
      case rn: y = ny;   break;
      default: y = d->y; break;
    }

    switch( d->x )
    {
      case cn: x = nx; break;
      default: x = d->x; break;
    }

    switch( d->tid )
    {
      case kLabelTId:
        wp = c->u.box = new Fl_Box(x,y,d->w,d->h,d->label);
        wp->align(FL_ALIGN_LEFT | FL_ALIGN_INSIDE);
        break;
      case kBtnTId:
        wp = c->u.btn = new Fl_Button(x,y,d->w,d->h,d->label);
        break;
      case kMenuBtnTId:
        wp = c->u.mbt = new Fl_Menu_Button(x,y,d->w,d->h,d->label);
        break;
      case kChkBtnTId:
        wp = c->u.chk = new Fl_Check_Button(x,y,d->w,d->h,d->label);
        break;
      case kInputTId:
        wp = c->u.inp = new Fl_Input(x,y,d->w,d->h,d->label);
        wp->align(FL_ALIGN_RIGHT);
        break;
      case kValueTId:
        wp = c->u.val = new Fl_Value_Input(x,y,d->w,d->h,d->label);
        wp->align(FL_ALIGN_RIGHT);
        break;
      default:
        break;
    }

    if( wp != NULL )
    {
      if( cmIsFlag(d->flags,FL_WHEN_CHANGED) )
        wp->when(FL_WHEN_CHANGED);

      ny = y + d->h + 2;
      nx = x + d->w + 2;


      wp->callback(Fl_DevCfgGroup::_s_ctl_cb,c);
      
      _ctlV.push_back(c);
    }
  }

  //_loadMenuButtons();
  _syncLoc();
}

Fl_DevCfgGroup::~Fl_DevCfgGroup()
{
  unsigned i;
  for(i=0; i<_ctlV.size(); ++i)
    delete _ctlV[i];
}

void Fl_DevCfgGroup::onEnableAudio( bool enableFl )
{
  if( enableFl )
  {
    deactivate();
  }
  else
  {
    activate();
    parent()->redraw();
  }
}

bool Fl_DevCfgGroup::_loadLocBtn()
{
  ctl_t* c;
  if((c = _idToCtl(kLocMenuCId)) == NULL )
    return false;

  int val = c->u.mbt->value();

  c->u.mbt->clear();

  unsigned i;
  for(i=0; i<cmDevCfgLocCount(_dcH); ++i)
    c->u.mbt->add(cmStringNullGuard(cmDevCfgLocLabel(_dcH,i)),0,_s_ctl_cb,c);

  _restoreMenuValue(kLocMenuCId, val );

  if((c = _idToCtl(kLocStoreBtnCId)) != NULL)
    c->u.btn->deactivate();

  return true;
}

void Fl_DevCfgGroup::_recallLoc()
{
  ctl_t* c;
  const char* s;

  if((s = _getMenuCtl(kLocMenuCId)) == NULL )
    goto errLabel;

  if( cmDevCfgLocRecall(_dcH,s) != kOkDcRC )
    goto errLabel;
 
  if((c = _idToCtl(kLocStringCId)) == NULL  )
    goto errLabel;
  
  c->u.inp->copy_label(s);

 errLabel:
  _syncLoc();
}

void Fl_DevCfgGroup::_storeLoc()
{
  ctl_t* c;
  const char* s;

  if((c = _idToCtl(kLocStringCId)) == NULL )
    goto errLabel;

  if((s = c->u.inp->value()) == NULL )
    goto errLabel;

  if( cmDevCfgLocStore(_dcH,s) != kOkDcRC )
    goto errLabel;
  
 errLabel:

  _syncLoc();
  
}

void Fl_DevCfgGroup::_deleteLoc()
{
  const char* s;

  if((s = _getMenuCtl(kLocMenuCId)) == NULL )
    goto errLabel;

  if( cmDevCfgLocDelete(_dcH,s) != kOkDcRC )
    goto errLabel;

 errLabel:
  _syncLoc();

}

// load MIDI device menu from the MIDI driver
void Fl_DevCfgGroup::_loadMidiDevBtn()
{
  unsigned j;
  ctl_t* c;

  if((c = _idToCtl(kMidiDevMenuCId)) == NULL )
    return;

  int val = c->u.mbt->value();

  c->u.mbt->clear();

  for(j=0; j<cmMpDeviceCount(); ++j)
  {
    c->u.mbt->add(cmStringNullGuard(cmMpDeviceName(j)),0,_s_ctl_cb,c);
            
  }

  _restoreMenuValue(kMidiDevMenuCId, val );
}

// Load the MIDI port menu from the MIDI driver accoring
// to the MIDI device seleted in the MIDI device menu
void Fl_DevCfgGroup::_loadMidiPortBtn()
{
  ctl_t* c;
  
  if((c = _idToCtl(kMidiDevMenuCId)) == NULL )
    return;

  int devIdx = c->u.mbt->value();

  if((c = _idToCtl(kMidiInputCheckCId)) == NULL )
    return;

  unsigned flags = c->u.chk->value() ? kInMpFl : kOutMpFl;

  unsigned n = devIdx<0 ? 0 : cmMpDevicePortCount(devIdx,flags);

  if((c = _idToCtl(kMidiPortMenuCId)) == NULL )
    return;

  c->u.mbt->clear();

  int val = c->u.mbt->value();
  

  for(unsigned j=0; j<n; ++j)
    c->u.mbt->add(cmStringNullGuard(cmMpDevicePortName(devIdx,flags,j)),0,_s_ctl_cb,c);

  _restoreMenuValue(kMidiPortMenuCId, val );

}

// Load the audio device menu from the audio port driver.
void Fl_DevCfgGroup::_loadAudioDevBtn( unsigned id, unsigned devIdx )
{
  ctl_t* c;
  unsigned i;

  if((c = _idToCtl(id)) == NULL )
    return;

  unsigned n       = cmApDeviceCount();
  bool     inputFl = id == kAudioInDevMenuCId;
  int      val     = c->u.mbt->value();

  c->u.mbt->clear();

  for(i=0; i<n; ++i)
    if( cmApDeviceChannelCount( i, inputFl ) > 0 )
    {
      const cmChar_t* str;
      
      if((str = cmApDeviceLabel(i)) != NULL )
      {
        bool  activeFl =  cmDevCfgAudioIsDeviceActive(_dcH, str, inputFl );
        
          if( devIdx == i )
            activeFl = false;

          c->u.mbt->add(str,0,NULL,NULL, activeFl ? FL_MENU_INACTIVE : 0);
      }
    }


  c->u.mbt->add(DEVCFG_NONE_STR,0,_s_ctl_cb,c);

  _restoreMenuValue(id, val );

  if( devIdx == cmInvalidIdx )
    _setMenuBtnWithString(id,DEVCFG_NONE_STR);

}

// Load the sample rate menu with constant values.
void Fl_DevCfgGroup::_loadAudioSrateBtn()
{
  ctl_t* c;

  if((c = _idToCtl(kAudioSrateMenuCId)) == NULL )
    return;

  int val = c->u.mbt->value();

  char* p = 0;
  c->u.mbt->add("96000",0,NULL,p+96000);
  c->u.mbt->add("48000",0,NULL,p+48000);
  c->u.mbt->add("44100",0,NULL,p+44100);
  c->u.mbt->add("22050",0,NULL,p+22050);


  if( val < 0 || val >= c->u.mbt->size() )
    _setSrate(kAsDfltSrate);
  else
    if( c->u.mbt->size() > 0 )
    {
      c->u.mbt->value(val);
      c->u.mbt->copy_label( c->u.mbt->mvalue()->label() );
    }
}

// Load a cfg menu with the labels of the cfg records from cmDevCfg.
// (but don't update the label yet).
void Fl_DevCfgGroup::_loadCfgMenu(cmTypeDcmId_t typeId, unsigned menuCtlId, unsigned deleteCtlId )
{
  ctl_t* c;

  if((c = _idToCtl(menuCtlId)) == NULL )
    return;

  // get the current value of the menu
  int val = c->u.mbt->value();

  // empty the menu
  c->u.mbt->clear();

  // get the count of cfg recds
  unsigned        n = cmDevCfgCount(_dcH,typeId);
  const cmChar_t* label;

  // reload the menu from cmDevCfg
  for(unsigned i=0; i<n; ++i)
    if((label = cmDevCfgLabel(_dcH,typeId,i)) != NULL )
      c->u.mbt->add(label,0,_s_ctl_cb,c);

  // get the count of menu items
  int sz = c->u.mbt->size();

  // if the original value is no longer valid then set the value to 
  // the most likely valid value - zero.
  if( val < 0 || val >= sz )
    val = 0;

  // if the menu is not empty then set the value
  if( sz > 0 )
    c->u.mbt->value(val);

  // update the 'delete' btn
  if((c = _idToCtl(deleteCtlId)) != NULL )
  {
    // if the menu is empty deactivate the delete btn
    if( sz > 0 )
      c->u.btn->activate();
    else
      c->u.btn->deactivate();
  }
}


// Load the cfg label edit string, description and type
// specific fields from the cmDevCfg based on the currently 
// selected cfg menu item.
void Fl_DevCfgGroup::_recallCfg(cmTypeDcmId_t typeId, unsigned menuCtlId, unsigned strCtlId, unsigned descCtlId, unsigned storeCtlId )
{
  const Fl_Menu_Item* mip;
  ctl_t* c;

  // get the cfg menu
  if((c = _idToCtl(menuCtlId)) == NULL )
    return;

  // get the current value of the cfg menu
  int menuIdx = c->u.mbt->value();

  if( menuIdx == -1 )
    return;
  
  // get the current menu item from the cfg menu
  if((mip = c->u.mbt->mvalue()) == NULL)
    return;

  // update the cfg menu label 
  c->u.mbt->copy_label( mip->label() );


  // set the cfg string text
  if((c = _idToCtl(strCtlId)) != NULL )
    c->u.inp->value( mip->label() );

  // set the desc string
  if((c = _idToCtl(descCtlId)) != NULL )
  {
    const cmChar_t* s = cmDevCfgDesc(_dcH, typeId, menuIdx );
    c->u.box->copy_label( s==NULL ? "" : s );
  }


  // disable to store btn
  if((c = _idToCtl(storeCtlId)) != NULL )
    c->u.btn->deactivate();
  

  switch( typeId )
  {
    case kMidiDcmTId:      
      {
        const cmDcmMidi_t* r =  cmDevCfgMidiCfg(_dcH,menuIdx);

        // set the midi device from the cfg recd
        _setMenuBtnWithString(kMidiDevMenuCId,r==NULL ? "" : r->devLabelStr);
        _setCheckCtl( kMidiInputCheckCId, r==NULL ? 0 : r->inputFl );

        // sync the midi port menu to the device
        _loadMidiPortBtn();

      }
      break;

    case kAudioDcmTId:
      {
        const cmDcmAudio_t* r = cmDevCfgAudioCfg(_dcH,menuIdx);

        _setMenuBtnWithString(kAudioInDevMenuCId, r==NULL ? "" : (r->inDevLabelStr==NULL  ? DEVCFG_NONE_STR : r->inDevLabelStr));
        _setMenuBtnWithString(kAudioOutDevMenuCId,r==NULL ? "" : (r->outDevLabelStr==NULL ? DEVCFG_NONE_STR : r->outDevLabelStr));
        _setValueCtl(kAudioMsgQueSizeValCId,      r==NULL ?  0 : r->rtSysArgs.msgQueueByteCnt);
        _setValueCtl(kAudioDevFpCValCId,          r==NULL ?  0 : r->rtSysArgs.devFramesPerCycle);
        _setValueCtl(kAudioDspFpCValCId,          r==NULL ?  0 : r->rtSysArgs.dspFramesPerCycle);
        _setValueCtl(kAudioBufCntValCId,          r==NULL ?  0 : r->rtSysArgs.audioBufCnt);
        _setCheckCtl(kAudioSyncInCheckCId,        r==NULL ?  0 : r->rtSysArgs.syncInputFl);
        _setInputCtl(kAudioNetNodeStringCId,      r==NULL ? "" : r->netNodeLabel);
        _setInputCtl(kAudioBcastAddrStringCId,    r==NULL ? "" : r->bcastAddr);
        _setInputCtl(kAudioIpAddrStringCId,       r==NULL ? "" : r->ipAddr);
        _setValueCtl(kAudioIpPortValCId,          r==NULL ?  0 : r->ipPort);
        _setCheckCtl(kAudioActiveCheckCId,        r==NULL ?  0 : r->activeFl);
        _setSrate( r==NULL ?  kAsDfltSrate : r->rtSysArgs.srate);


        //cmDevCfgAudioSetDefaultCfgIndex(_dcH,menuIdx);

        _loadAudioDevBtn(kAudioInDevMenuCId, r->rtSysArgs.inDevIdx );
        _loadAudioDevBtn(kAudioOutDevMenuCId, r->rtSysArgs.outDevIdx );

      }
      break;
      /*
    case kNetDcmTId:
      {
        const cmDcmNet_t* r = cmDevCfgNetCfg(_dcH,menuIdx);
        _setInputCtl(kNetSockAddrStringCId, r==NULL ? "" : r->sockAddr);
        _setValueCtl(kNetPortNumbValCId,    r==NULL ? 0  : r->portNumber);
        _setCheckCtl(kNetActiveCheckCId,    r==NULL ? 0  : r->activeFl);
      }
      break;
      */

    default:
      assert(0);
      break;
  }
}

void Fl_DevCfgGroup::_syncLoc()
{
  ctl_t* c;
  unsigned idx;
  _loadLocBtn();

  if((idx = cmDevCfgLocCurIndex(_dcH)) == cmInvalidIdx )
    return;

  if((c = _idToCtl(kLocMenuCId)) == NULL )
    return;

  assert((int)idx < c->u.mbt->size() );
  if( (int)idx >= c->u.mbt->size() )
    return;

  c->u.mbt->value(idx);

  _setMenuBtnLabel(kLocMenuCId,kLocStringCId);

  // Load the menu's based on the currently
  // available hardware.
  _loadMidiDevBtn();
  _loadMidiPortBtn();
  _loadAudioDevBtn(kAudioInDevMenuCId,cmInvalidId);
  _loadAudioDevBtn(kAudioOutDevMenuCId,cmInvalidId);
  _loadAudioSrateBtn();

  // Set the default values for some fields. These values will only be
  // used if there is no availabe cmDevCfg data.
  _idToCtl(kAudioMsgQueSizeValCId)->u.val->value(kAsDfltMsgQueueByteCnt);
  _idToCtl(kAudioDevFpCValCId)->u.val->value(kAsDfltDevFramesPerCycle);
  _idToCtl(kAudioDspFpCValCId)->u.val->value(kAsDfltDspFramesPerCycle);
  _idToCtl(kAudioBufCntValCId)->u.val->value(kAsDfltBufCnt);
  _idToCtl(kAudioSyncInCheckCId)->u.chk->value(kAsDfltSyncToInputFl);

  // set the bounds for the IP port value
  _idToCtl(kAudioIpPortValCId)->u.val->bounds(0,65535);
  _idToCtl(kAudioIpPortValCId)->u.val->step(1);

  // Load the MIDI cfg information from cmDevCfg.
  _loadCfgMenu(kMidiDcmTId, kMidiCfgMenuCId, kMidiDeleteBtnCId  );
  _recallCfg(kMidiDcmTId, kMidiCfgMenuCId, kMidiCfgStringCId, kMidiCfgDescCId, kMidiApplyBtnCId );      

  // Load the Audio cfg information from cmDevCfg.
  _loadCfgMenu(kAudioDcmTId, kAudioCfgMenuCId, kAudioDeleteBtnCId );  

  // Display the default audio configuration
  // if((c = _idToCtl(kAudioCfgMenuCId)) != NULL )
  //  if((idx = cmDevCfgAudioGetDefaultCfgIndex(_dcH)) != cmInvalidIdx ) 
  //    if( c->u.mbt->size() < (int)idx )
  //      c->u.mbt->value(idx);

  _recallCfg(kAudioDcmTId, kAudioCfgMenuCId, kAudioCfgStringCId, kAudioCfgDescCId, kAudioApplyBtnCId );      

  // Load the network cfg information from cmDevCfg.
  //_loadCfgMenu(kNetDcmTId, kNetCfgMenuCId, kNetDeleteBtnCId );
  //_recallCfg(kNetDcmTId, kNetCfgMenuCId, kNetCfgStringCId, kNetCfgDescCId, kNetApplyBtnCId );      

}

// Called when the MIDI 'Store' cfg button is pressed.
// Creates or edits a MIDI cfg recd in cmDevCfg.
void Fl_DevCfgGroup::_createMidiCfg()
{
  const cmChar_t* cfgStr  = _getInputCtl(kMidiCfgStringCId);
  const cmChar_t* devStr  = _getMenuCtl(kMidiDevMenuCId);
  const cmChar_t* portStr = _getMenuCtl(kMidiPortMenuCId);
  bool            inputFl = _getCheckCtl(kMidiInputCheckCId);

  // create or edit a MIDI cfg recd
  if( cmDevCfgNameMidiPort(_dcH,cfgStr,devStr,portStr,inputFl) == kOkDcRC )
  {
    // a MIDI cfg recd may have been created so reload the MIDI cfg menu btn
    _loadCfgMenu(kMidiDcmTId,kMidiCfgMenuCId,kMidiDeleteBtnCId);  

    // set the MIDI cfg menu btn to display the label of the cfg just edited or creaed
    _setMenuBtnWithString(kMidiCfgMenuCId,cfgStr);

    // update the other MIDI fields based on the current cfg menu value
    _recallCfg(kMidiDcmTId, kMidiCfgMenuCId, kMidiCfgStringCId, kMidiCfgDescCId, kMidiApplyBtnCId );      

  }
}

// Called when the Audio 'Store' button is pressed.
// Creates or edits an audio cfg recd in the cmDevCfg.
void Fl_DevCfgGroup::_createAudioCfg()
{
  const cmChar_t* cfgStr    = _getInputCtl(kAudioCfgStringCId);
  const cmChar_t* inDevStr  = _getMenuCtl(kAudioInDevMenuCId);
  const cmChar_t* outDevStr = _getMenuCtl(kAudioOutDevMenuCId);
  bool            syncInFl  = _getCheckCtl(kAudioSyncInCheckCId);
  unsigned        msgQueCnt = _getValueCtl(kAudioMsgQueSizeValCId);
  unsigned        devFpC    = _getValueCtl(kAudioDevFpCValCId);
  unsigned        dspFpC    = _getValueCtl(kAudioDspFpCValCId);
  unsigned        bufCnt    = _getValueCtl(kAudioBufCntValCId);
  const cmChar_t* nodeStr   = _getInputCtl(kAudioNetNodeStringCId);
  const cmChar_t* bcastAddr = _getInputCtl(kAudioBcastAddrStringCId);
  const cmChar_t* ipAddr    = _getInputCtl(kAudioIpAddrStringCId);
  cmUdpPort_t     ipPort    = _getValueCtl(kAudioIpPortValCId);
  bool            activeFl  = _getCheckCtl(kAudioActiveCheckCId);

  double srate =  _getSrate();

  if( strcmp(inDevStr,DEVCFG_NONE_STR)==0 )
    inDevStr = NULL;

  if( strcmp(outDevStr,DEVCFG_NONE_STR)==0 )
    outDevStr = NULL;

  // create or edit a audio cfg recd
  if( cmDevCfgNameAudioPort(_dcH,cfgStr,inDevStr,outDevStr,syncInFl,msgQueCnt,devFpC,dspFpC,bufCnt,srate,nodeStr,bcastAddr,ipAddr,ipPort,activeFl) == kOkDcRC )
  {
    // a new cfg recd may have been created so reload audio cfg menu
    _loadCfgMenu(kAudioDcmTId,kAudioCfgMenuCId,kAudioDeleteBtnCId);
    
    // set the cfg menu to display the label of the cfg just edited or created
    _setMenuBtnWithString(kAudioCfgMenuCId,cfgStr);

    // update the other audio fields based on the current cfg menu value
    _recallCfg(kAudioDcmTId, kAudioCfgMenuCId, kAudioCfgStringCId, kAudioCfgDescCId, kAudioApplyBtnCId );      

  }
}

/*
// Called when the Net 'Store' button is pressed.
// Creates or edits a net cfg recd in the cmDevCfg.
void Fl_DevCfgGroup::_createNetCfg()
{
  const cmChar_t* cfgStr  = _idToCtl(kNetCfgStringCId)->u.inp->value();
  const cmChar_t* addrStr = _idToCtl(kNetSockAddrStringCId)->u.inp->value();
  unsigned        portNum = _idToCtl(kNetPortNumbValCId)->u.val->value();
  bool            activeFl= _idToCtl(kNetActiveCheckCId)->u.chk->value();

  // create or edit a NET cfg recd
  if( cmDevCfgNameNetPort(_dcH,cfgStr,addrStr,portNum,activeFl) == kOkDcRC )
  {
    // a NET cfg recd may have been created so reload the NET cfg menu btn
    _loadCfgMenu(kNetDcmTId,kNetCfgMenuCId,kNetDeleteBtnCId);  

    // set the NET cfg menu btn to display the label of the cfg just edited or creaed
    _setMenuBtnWithString(kNetCfgMenuCId,cfgStr);

    // update the other net fields based on the current cfg menu value
    _recallCfg(kNetDcmTId, kNetCfgMenuCId, kNetCfgStringCId, kNetCfgDescCId, kNetApplyBtnCId );      

  }
}
*/

void Fl_DevCfgGroup::_deleteCfg( cmTypeDcmId_t typeId, unsigned menuCtlId, unsigned inpCtlId, unsigned descCtlId, unsigned storeCtlId, unsigned deleteCtlId )
{
  ctl_t* c;
  const cmChar_t* s;
  int idx;

  if((s = _getMenuCtl(menuCtlId)) == NULL )
    goto errLabel;

  if(cmDevCfgDeleteCfg(_dcH, typeId, s ) != kOkDcRC )
    goto errLabel;

  if(( c = _idToCtl(menuCtlId)) == NULL )
    goto errLabel;

  if((idx = c->u.mbt->find_index(s)) < 0 )
    goto errLabel;

  c->u.mbt->remove(idx); 

  if( c->u.mbt->size() > 0 )
    c->u.mbt->value(0);

  _loadCfgMenu(typeId,menuCtlId,deleteCtlId);

  _recallCfg(typeId,menuCtlId,inpCtlId,descCtlId,storeCtlId);
    
 errLabel:
  return;
}

void Fl_DevCfgGroup::_restoreMenuValue( unsigned menuCtlId, int val, int dfltVal )
{
  ctl_t* c;
  if((c = _idToCtl(menuCtlId)) == NULL )
    return;

  if( val < 0 || val >= c->u.mbt->size() )
    val = dfltVal;

  if( c->u.mbt->size() > 0 )
    c->u.mbt->value(val);
  else
    c->u.mbt->value(-1);

  _setMenuBtnLabel(menuCtlId);
}

void Fl_DevCfgGroup::_setMenuBtnLabel( unsigned menuCtlId, unsigned inpCtlId )
{
  ctl_t*              c;
  const Fl_Menu_Item* mip;
  const char*         s;

  if((c = _idToCtl(menuCtlId)) == NULL )
    goto errLabel;

  int v;
  if((v = c->u.mbt->value()) == -1 )
    goto errLabel;

  if((mip = c->u.mbt->mvalue()) == NULL )
    goto errLabel;

  if((s = mip->label()) == NULL || strlen(s)==0)
    s = ""; // the menu is empty or the label is invalid

  c->u.mbt->copy_label(s);

  if( inpCtlId != cmInvalidId )
  {
    if((c = _idToCtl(inpCtlId)) == NULL )
      goto errLabel;

    c->u.inp->copy_label(s);
  }

 errLabel:
  return;
}

void Fl_DevCfgGroup::_setMenuBtnWithString( unsigned menuCtlId, const char* string )
{
  ctl_t* c;
  int    idx;

  if((c = _idToCtl(menuCtlId)) == NULL )
    goto errLabel;

  if((idx = c->u.mbt->find_index(string)) < 0 )
    goto errLabel;

  c->u.mbt->value(idx);

  c->u.mbt->copy_label(string);

 errLabel:
  return;
}

void Fl_DevCfgGroup::_setCheckCtl( unsigned ctlId, int val )
{
  ctl_t* c;
  if((c = _idToCtl(ctlId)) == NULL )
    return;
  
  c->u.chk->value(val);    
}

void Fl_DevCfgGroup::_setValueCtl( unsigned ctlId, double val )
{
  ctl_t* c;
  if((c = _idToCtl(ctlId)) == NULL )
    return;
  
  c->u.val->value(val);
}

void Fl_DevCfgGroup::_setInputCtl( unsigned ctlId, const cmChar_t* val )
{
  ctl_t* c;
  if((c = _idToCtl(ctlId)) == NULL )
    return;
  
  c->u.inp->value(val);
}

const cmChar_t* Fl_DevCfgGroup::_getMenuCtl(  unsigned ctlId )
{
  ctl_t* c;
  const Fl_Menu_Item* mip;

  if((c = _idToCtl(ctlId)) == NULL)
    goto errLabel;

  if( c->u.mbt->value() == -1 )
    goto errLabel;

  if((mip = c->u.mbt->mvalue()) == NULL)
    goto errLabel;

  if( mip->label() == NULL )
    goto errLabel;

  return mip->label();

 errLabel:
  return "";
}

const cmChar_t* Fl_DevCfgGroup::_getInputCtl( unsigned ctlId )
{
  ctl_t* c;

  if((c = _idToCtl(ctlId)) == NULL)
    goto errLabel;

  if( c->u.inp->value() == NULL )
    goto errLabel;

  return c->u.inp->value();

 errLabel:
  return "";  
}

double          Fl_DevCfgGroup::_getValueCtl( unsigned ctlId )
{
  ctl_t* c;

  if((c = _idToCtl(ctlId)) == NULL)
    return 0;

  return c->u.val->value();
}

bool            Fl_DevCfgGroup::_getCheckCtl( unsigned ctlId )
{
  ctl_t* c;

  if((c = _idToCtl(ctlId)) == NULL)
    return 0;

  return c->u.chk->value();
}


double Fl_DevCfgGroup::_getSrate()
{
  ctl_t* c;
  const Fl_Menu_Item* mip;

  if((c = _idToCtl(kAudioSrateMenuCId)) == NULL )
    return kAsDfltSrate;
  
  assert( c->u.mbt->value() != -1);

  if((mip = c->u.mbt->mvalue()) == NULL )
    return kAsDfltSrate;
  
  return (char*)mip->user_data() - (char*)NULL;
}

void   Fl_DevCfgGroup::_setSrate( double srate )
{
  ctl_t* c;

  if((c = _idToCtl(kAudioSrateMenuCId)) == NULL )
    return;

  int i;
  for(i=0; i<c->u.mbt->size(); ++i)
  {
    const Fl_Menu_Item* mip = &c->u.mbt->menu()[i];
    if( mip != NULL && ((char*)mip->user_data() - (char*)NULL) == srate)
    {
      c->u.mbt->value(i);
      c->u.mbt->copy_label( mip->label() );
      return;
    }
  }  
}

void Fl_DevCfgGroup::_enableStoreBtn( unsigned ctlId )
{
  ctl_t* c;
  if((c = _idToCtl(ctlId)) == NULL )
    return;

  c->u.btn->activate();
}

Fl_DevCfgGroup::ctl_t* Fl_DevCfgGroup::_idToCtl( unsigned id )
{
  unsigned i = 0;
  for(i=0; i<_ctlV.size(); ++i)
    if( _ctlV[i]->id == id )
      return _ctlV[i];

  assert(0);
  return NULL;
}


void Fl_DevCfgGroup::_s_ctl_cb( Fl_Widget* w, void* arg )
{
  ctl_t* c = (ctl_t*)arg;
  
  switch( c->id )
  {
      // ------------------------------------------------------------
      // Location

    case kLocLabelCId: 
      break;

    case kLocMenuCId: 
      c->p->_recallLoc();
      break;

    case kLocStoreBtnCId: 
      c->p->_storeLoc();
      break;

    case kLocStringCId: 
      c->p->_enableStoreBtn(kLocStoreBtnCId);
      break;

    case kLocDeleteBtnCId: 
      c->p->_deleteLoc();
      break;


      // ------------------------------------------------------------
      // MIDI 
      
    case kMidiCfgMenuCId: 
      c->p->_recallCfg(kMidiDcmTId, kMidiCfgMenuCId, kMidiCfgStringCId, kMidiCfgDescCId, kMidiApplyBtnCId );      
      break;

    case kMidiDeleteBtnCId: 
      c->p->_deleteCfg(kMidiDcmTId,kMidiCfgMenuCId,kMidiCfgStringCId,kMidiCfgDescCId,kMidiApplyBtnCId,kMidiDeleteBtnCId);
      break;

    case kMidiCfgStringCId: 
      c->p->_enableStoreBtn(kMidiApplyBtnCId);
      break;

    case kMidiApplyBtnCId: 
      c->p->_createMidiCfg();
      c->p->_recallCfg(kMidiDcmTId, kMidiCfgMenuCId, kMidiCfgStringCId, kMidiCfgDescCId, kMidiApplyBtnCId );      
      break;

    case kMidiDevMenuCId: 
      c->p->_setMenuBtnLabel(c->id);
      c->p->_loadMidiPortBtn();
      c->p->_enableStoreBtn(kMidiApplyBtnCId);
      break;

    case kMidiPortMenuCId:
      c->p->_setMenuBtnLabel(c->id);
      c->p->_enableStoreBtn(kMidiApplyBtnCId);
      break;

    case kMidiInputCheckCId:
      c->p->_enableStoreBtn(kMidiApplyBtnCId);
      break;

      // ------------------------------------------------------------
      // Audio

    case kAudioLabelCId: 
      break;

    case kAudioCfgMenuCId: 
      c->p->_recallCfg(kAudioDcmTId, kAudioCfgMenuCId, kAudioCfgStringCId, kAudioCfgDescCId, kAudioApplyBtnCId );      
      break;

    case kAudioDeleteBtnCId: 
      c->p->_deleteCfg(kAudioDcmTId,kAudioCfgMenuCId,kAudioCfgStringCId,kAudioCfgDescCId, kAudioApplyBtnCId, kAudioDeleteBtnCId);
      break;

    case kAudioCfgStringCId: 
      c->p->_enableStoreBtn(kAudioApplyBtnCId);
      break;

    case kAudioApplyBtnCId:
      c->p->_createAudioCfg();
      c->p->_recallCfg(kAudioDcmTId, kAudioCfgMenuCId, kAudioCfgStringCId, kAudioCfgDescCId, kAudioApplyBtnCId );      
      break;

    case kAudioInDevMenuCId: 
      c->p->_setMenuBtnLabel(c->id);
      c->p->_enableStoreBtn(kAudioApplyBtnCId);
      break;

    case kAudioOutDevMenuCId: 
      c->p->_setMenuBtnLabel(c->id);
      c->p->_enableStoreBtn(kAudioApplyBtnCId);
      break;

    case kAudioSrateMenuCId: 
      c->p->_setMenuBtnLabel(c->id);
      c->p->_enableStoreBtn(kAudioApplyBtnCId);
      break;

    case kAudioActiveCheckCId:
    case kAudioMsgQueSizeValCId:
    case kAudioDevFpCValCId: 
    case kAudioDspFpCValCId: 
    case kAudioBufCntValCId: 
    case kAudioSyncInCheckCId:
    case kAudioNetNodeStringCId:
    case kAudioBcastAddrStringCId:
    case kAudioIpAddrStringCId:
    case kAudioIpPortValCId:
      c->p->_enableStoreBtn(kAudioApplyBtnCId);
      break;

      


      // ------------------------------------------------------------
      // Network 
      /*
    case kNetLabelCId: 
      break;

    case kNetCfgMenuCId: 
      c->p->_recallCfg(kNetDcmTId, kNetCfgMenuCId, kNetCfgStringCId, kNetCfgDescCId, kNetApplyBtnCId );      
      break;

    case kNetDeleteBtnCId: 
      c->p->_deleteCfg(kNetDcmTId,kNetCfgMenuCId,kNetCfgStringCId,kNetCfgDescCId, kNetApplyBtnCId, kNetDeleteBtnCId);
      break;

    case kNetCfgStringCId:
      c->p->_enableStoreBtn(kNetApplyBtnCId);
      break;

    case kNetApplyBtnCId: 
      c->p->_createNetCfg();
      c->p->_recallCfg(kNetDcmTId, kNetCfgMenuCId, kNetCfgStringCId, kNetCfgDescCId, kNetApplyBtnCId );      
      c->p->_enableStoreBtn(kNetApplyBtnCId);
      break;

    case kNetSockAddrStringCId:
    case kNetPortNumbValCId:
    case kNetActiveCheckCId:
      c->p->_enableStoreBtn(kNetApplyBtnCId);
      break;
      */

    default:
      break;
  }

}