// rdhotkeylist.cpp
//
// An Abstract of the rdhotkeylist
//
//   (C) Copyright 2002-2004,2010,2016 Fred Gleason <fredg@paravelsystems.com>
//
//   This program is free software; you can redistribute it and/or modify
//   it under the terms of the GNU General Public License version 2 as
//   published by the Free Software Foundation.
//
//   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., 675 Mass Ave, Cambridge, MA 02139, USA.
//

#include<vector>

#include <stdlib.h>

#include<rdhotkeylist.h>

RDHotKeyList::RDHotKeyList( )
{
  hotkeylist.resize(0);
  BuildKeyList();
}

RDHotKeyList::~RDHotKeyList()
{
  hotkeylist.clear();
}

void RDHotKeyList::BuildKeyList( )
{
  char qtpath[256];
  char keyfile[256];
  char line[256];
  FILE *hkeyfile;

  char enumstring[11] = "enum Key {";
  QString KeyString;
  QString KeyHex;
  QString Filestring;
  keyList CurKey;
  char *p = {0};

  if(getenv("QTDIR")==NULL) {
    return;
  }
  strcpy(qtpath, (const char *) getenv("QTDIR"));
  strcpy(keyfile,qtpath);
  strcat(keyfile,"/include/qnamespace.h");
  hkeyfile = fopen(keyfile,"r");
  if (hkeyfile==NULL) {
    return;
  }
  if (fgets(line,256,hkeyfile) !=NULL) {
    while ((p = strstr(line,enumstring))== NULL ) {
      if (fgets(line,256,hkeyfile) == NULL) {
	break;
      }
    }
    if (p != NULL) {
      while ( ( fgets(line,256,hkeyfile) != NULL) && (!(strstr(line,"}")) ) ) {
	QString buf = cleanStrings(line);
	int acomment = buf.find("//");
	int eqsign = buf.find("=");
	if ((eqsign != -1) && (acomment != 0) ) {
	  KeyString = buf.left((eqsign ));
	  KeyString = KeyString.mid(4);   // Remove 'Key_'
	  int comma = buf.find(",");
	  if (comma != -1)  {
	    KeyHex = buf.mid((eqsign + 1),
			     (comma - eqsign)-1 );
	  }
	  else {
	    int comment = buf.find("//");
	    if (comment != -1) {
	      KeyHex = buf.mid( (eqsign+1),
				(comment - eqsign) );
	    }
	    else {
	      KeyHex = buf.mid( (eqsign+1),
				(buf.length() - eqsign) );
	    }
	  }
	  bool ok;
	  int hotkey_int = KeyHex.toInt(&ok,16);         //Convert to decimal
	  if (ok)  {
	    CurKey.decvalue = hotkey_int;
	    CurKey.stringvalue = KeyString;
	    hotkeylist.push_back(CurKey) ;
	  }
	}
      }
    }
  }
  fclose(hkeyfile);
}


QString RDHotKeyList::cleanStrings( const QString sent)
{
  QString cleanstring;
  for (int i=0 ; i<sent.length(); i++) {
    switch(((const char *)sent)[i]) {
    case '\n':
      break;
    case '\t':
      break;
    case ' ':
      break;
    default:
      cleanstring+=((const char *)sent)[i];
      break;
    }
  }
  return cleanstring;
}


QString RDHotKeyList::GetKeyCode(int number)
{
  for (unsigned i = 0; i < hotkeylist.size(); i++)  {
    if ((hotkeylist.at(i).decvalue) == number){
      return hotkeylist.at(i).stringvalue;
    }
  }
  return (QString(""));
}