src/Instrumentation/KLN89/kln89_page_apt.cxx

   1 // kln89_page_*.[ch]xx - this file is one of the "pages" that
   2 //                       are used in the KLN89 GPS unit simulation.
   3 //
   4 // Written by David Luff, started 2005.
   5 //
   6 // Copyright (C) 2005 - David C Luff - david.luff@nottingham.ac.uk
   7 //
   8 // This program is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU General Public License as
  10 // published by the Free Software Foundation; either version 2 of the
  11 // License, or (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful, but
  14 // WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 // General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the Free Software
  20 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  21 //
  22 // $Id$
  23
  24 #ifdef HAVE_CONFIG_H
  25 #  include "config.h"
  26 #endif
  27
  28 #include "kln89_page_apt.hxx"
  29 #if ENABLE_ATCDCL
  30 #    include <ATCDCL/commlist.hxx>
  31 #else
  32   #include <ATC/atcutils.hxx>
  33 #endif
  34 #include <Main/globals.hxx>
  35 #include <Airports/runways.hxx>
  36 #include <Airports/simple.hxx>
  37
  38 // This function is copied from Airports/runways.cxx
  39 // TODO - Make the original properly available and remove this instance!!!!
  40 // Return reverse rwy number
  41 // eg 01 -> 19
  42 // 03L -> 21R
  43 static string GetReverseRunwayNo(string rwyno) {
  44     // cout << "Original rwyno = " << rwyNo << '\n';
  45
  46     // standardize input number
  47     string tmp = rwyno.substr(1, 1);
  48     if (( tmp == "L" || tmp == "R" || tmp == "C" ) || (rwyno.size() == 1)) {
  49                 tmp = rwyno;
  50                 rwyno = "0" + tmp;
  51                 SG_LOG( SG_GENERAL, SG_INFO,
  52                         "Standardising rwy number from " << tmp << " to " << rwyno );
  53     }
  54
  55     char buf[4];
  56     int rn = atoi(rwyno.substr(0,2).c_str());
  57     rn += 18;
  58     while(rn > 36) {
  59                 rn -= 36;
  60     }
  61     sprintf(buf, "%02i", rn);
  62     if(rwyno.size() == 3) {
  63                 if(rwyno.substr(2,1) == "L") {
  64                         buf[2] = 'R';
  65                         buf[3] = '\0';
  66                 } else if (rwyno.substr(2,1) == "R") {
  67                         buf[2] = 'L';
  68                         buf[3] = '\0';
  69                 } else if (rwyno.substr(2,1) == "C") {
  70                         buf[2] = 'C';
  71                         buf[3] = '\0';
  72                 } else if (rwyno.substr(2,1) == "T") {
  73                         buf[2] = 'T';
  74                         buf[3] = '\0';
  75                 } else {
  76                         SG_LOG(SG_GENERAL, SG_ALERT, "Unknown runway code "
  77                         << rwyno << " passed to GetReverseRunwayNo(...)");
  78                 }
  79     }
  80     return(buf);
  81 }
  82
  83 KLN89AptPage::KLN89AptPage(KLN89* parent)
  84 : KLN89Page(parent) {
  85         _nSubPages = 8;
  86         _subPage = 0;
  87         _name = "APT";
  88         _apt_id = "KHWD";
  89         // Make sure that _last_apt_id doesn't match at startup to force airport data to be fetched on first update.
  90         _last_apt_id = "XXXX";
  91         _nRwyPages = 1;
  92         _curRwyPage = 0;
  93         _nFreqPages = 1;
  94         _curFreqPage = 0;
  95         ap = NULL;
  96         _iapStart = 0;
  97         _iafStart = 0;
  98         _fStart = 0;
  99         _iaps.clear();
 100         _iafDialog = false;
 101         _addDialog = false;
 102         _replaceDialog = false;
 103         _curIap = 0;
 104         _curIaf = 0;
 105 }
 106
 107 KLN89AptPage::~KLN89AptPage() {
 108 }
 109
 110 void KLN89AptPage::Update(double dt) {
 111         bool actPage = (_kln89->_activePage->GetName() == "ACT" ? true : false);
 112         bool multi;  // Not set by FindFirst...
 113         bool exact = false;
 114         if(_apt_id.size() == 4) exact = true;
 115         // TODO - move this search out to where the button is pressed, and cache the result!
 116         if(_apt_id != _last_apt_id || ap == NULL) ap = _kln89->FindFirstAptById(_apt_id, multi, exact);
 117         //if(np == NULL) cout << "NULL... ";
 118         //if(b == false) cout << "false...\n";
 119         /*
 120         if(np && b) {
 121                 cout << "VOR FOUND!\n";
 122         } else {
 123                 cout << ":-(\n";
 124         }
 125         */
 126
 127         if(ap) {
 128                 //cout << "Valid airport found! id = " << ap->getId() << ", elev = " << ap->getElevation() << '\n';
 129                 if(_apt_id != _last_apt_id) {
 130                         UpdateAirport(ap->getId());
 131                         _last_apt_id = _apt_id;
 132                         _curFreqPage = 0;
 133                         _curRwyPage = 0;
 134                 }
 135                 _apt_id = ap->getId();
 136                 if(_kln89->GetActiveWaypoint()) {
 137                         if(_apt_id == _kln89->GetActiveWaypoint()->id) {
 138                                 if(!(_kln89->_waypointAlert && _kln89->_blink)) {
 139                                         // Active waypoint arrow
 140                                         _kln89->DrawSpecialChar(4, 2, 0, 3);
 141                                 }
 142                         }
 143                 }
 144                 if(_kln89->_mode != KLN89_MODE_CRSR) {
 145                         if(!(_subPage == 7 && (_iafDialog || _addDialog || _replaceDialog))) {  // Don't draw the airport name when the IAP dialogs are active
 146                                 if(!_entInvert) {
 147                                         if(!actPage) {
 148                                                 _kln89->DrawText(ap->getId(), 2, 1, 3);
 149                                         } else {
 150                                                 // If it's the ACT page, The ID is shifted slightly right to make space for the waypoint index.
 151                                                 _kln89->DrawText(ap->getId(), 2, 4, 3);
 152                                                 char buf[3];
 153                                                 int n = snprintf(buf, 3, "%i", _kln89->GetActiveWaypointIndex() + 1);
 154                                                 _kln89->DrawText((string)buf, 2, 3 - n, 3);
 155                                         }
 156                                 } else {
 157                                         if(!_kln89->_blink) {
 158                                                 _kln89->DrawText(ap->getId(), 2, 1, 3, false, 99);
 159                                                 _kln89->DrawEnt();
 160                                         }
 161                                 }
 162                         }
 163                 }
 164                 if(_subPage == 0) {
 165                         // Name
 166                         _kln89->DrawText(ap->getName(), 2, 0, 2);
 167                         // Elevation
 168                         _kln89->DrawText(_kln89->_altUnits == GPS_ALT_UNITS_FT ? "ft" : "m", 2, 14, 3);
 169                         char buf[6];
 170                         int n = snprintf(buf, 5, "%i", (_kln89->_altUnits == GPS_ALT_UNITS_FT ? (int)(ap->getElevation()) : (int)((double)ap->getElevation() * SG_FEET_TO_METER)));
 171                         _kln89->DrawText((string)buf, 2, 14 - n, 3);
 172                         // Town
 173                         airport_id_str_map_iterator itr = _kln89->_airportTowns.find(_apt_id);
 174                         if(itr != _kln89->_airportTowns.end()) {
 175                                 _kln89->DrawText(itr->second, 2, 0, 1);
 176                         }
 177                         // State / Province / Country
 178                         itr = _kln89->_airportStates.find(_apt_id);
 179                         if(itr != _kln89->_airportStates.end()) {
 180                                 _kln89->DrawText(itr->second, 2, 0, 0);
 181                         }
 182                 } else if(_subPage == 1) {
 183                         _kln89->DrawLatitude(ap->getLatitude(), 2, 3, 2);
 184                         _kln89->DrawLongitude(ap->getLongitude(), 2, 3, 1);
 185                         _kln89->DrawDirDistField(ap->getLatitude() * SG_DEGREES_TO_RADIANS, ap->getLongitude() * SG_DEGREES_TO_RADIANS,
 186                                                  2, 0, 0, _to_flag, (_kln89->_mode == KLN89_MODE_CRSR && _uLinePos == 5 ? true : false));
 187                 } else if(_subPage == 2) {
 188                         // Try and calculate a realistic difference from UTC based on longitude
 189                         // Since 0 longitude is the middle of UTC, the boundaries will be at 7.5, 22.5, 37.5 etc.
 190                         int hrDiff = ((int)((fabs(ap->getLongitude())) + 7.5)) / 15;
 191                         _kln89->DrawText("UTC", 2, 0, 2);
 192                         if(hrDiff != 0) {
 193                                 _kln89->DrawText(ap->getLongitude() >= 0.0 ? "+" : "-", 2, 3, 2);
 194                                 char buf[3];
 195                                 snprintf(buf, 3, "%02i", hrDiff);
 196                                 _kln89->DrawText((string)buf, 2, 4, 2);
 197                                 _kln89->DrawText("(   DT)", 2, 6, 2);
 198                                 if(ap->getLongitude() >= 0.0) {
 199                                         hrDiff++;
 200                                 } else {
 201                                         hrDiff--;
 202                                 }
 203                                 _kln89->DrawText(ap->getLongitude() >= 0.0 ? "+" : "-", 2, 7, 2);
 204                                 snprintf(buf, 3, "%02i", hrDiff);
 205                                 _kln89->DrawText((string)buf, 2, 8, 2);
 206                         }
 207                         // I guess we can make a heuristic guess as to fuel availability from the runway sizes
 208                         // For now assume that airports with asphalt or concrete runways will have at least 100L,
 209                         // and that runways over 4000ft will have JET.
 210                         if(_aptRwys[0]->surface() <= 2) {
 211                                 if(_aptRwys[0]->lengthFt() >= 4000) {
 212                                         _kln89->DrawText("JET 100L", 2, 0, 1);
 213                                 } else {
 214                                         _kln89->DrawText("100L", 2, 0, 1);
 215                                 }
 216                         }
 217                         if(_iaps.empty()) {
 218                                 _kln89->DrawText("NO APR", 2, 0, 0);
 219                         } else {
 220                                 // TODO - output proper differentiation of ILS and NP APR and NP APR type eg GPS(R)
 221                                 _kln89->DrawText("NP APR", 2, 0, 0);
 222                         }
 223                 } else if(_subPage == 3) {
 224                         if(_nRwyPages > 1) {
 225                                 _kln89->DrawChar('+', 1, 3, 0);
 226                         }
 227                         unsigned int i = _curRwyPage * 2;
 228                         string s;
 229                         if(i < _aptRwys.size()) {
 230                                 // Rwy No.
 231                                 string s = _aptRwys[i]->ident();
 232                                 _kln89->DrawText(s, 2, 9, 3);
 233                                 _kln89->DrawText("/", 2, 12, 3);
 234                                 _kln89->DrawText(GetReverseRunwayNo(s), 2, 13, 3);
 235                                 // Length
 236                                 s = GPSitoa(int(float(_aptRwys[i]->lengthFt()) * (_kln89->_altUnits == GPS_ALT_UNITS_FT ? 1.0 : SG_FEET_TO_METER) + 0.5));
 237                                 _kln89->DrawText(s, 2, 5 - s.size(), 2);
 238                                 _kln89->DrawText((_kln89->_altUnits == GPS_ALT_UNITS_FT ? "ft" : "m"), 2, 5, 2);
 239                                 // Surface
 240                                 // TODO - why not store these strings as an array?
 241                                 switch(_aptRwys[i]->surface()) {
 242                                 case 1:
 243                                         // Asphalt - fall through
 244                                 case 2:
 245                                         // Concrete
 246                                         _kln89->DrawText("HRD", 2, 9, 2);
 247                                         break;
 248                                 case 3:
 249                                 case 8:
 250                                         // Turf / Turf helipad
 251                                         _kln89->DrawText("TRF", 2, 9, 2);
 252                                         break;
 253                                 case 4:
 254                                 case 9:
 255                                         // Dirt / Dirt helipad
 256                                         _kln89->DrawText("DRT", 2, 9, 2);
 257                                         break;
 258                                 case 5:
 259                                         // Gravel
 260                                         _kln89->DrawText("GRV", 2, 9, 2);
 261                                         break;
 262                                 case 6:
 263                                         // Asphalt helipad - fall through
 264                                 case 7:
 265                                         // Concrete helipad
 266                                         _kln89->DrawText("HRD", 2, 9, 2);
 267                                         break;
 268                                 case 12:
 269                                         // Lakebed
 270                                         _kln89->DrawText("CLY", 2, 9, 2);
 271                                 default:
 272                                         // erm? ...
 273                                         _kln89->DrawText("MAT", 2, 9, 2);
 274                                 }
 275                         }
 276                         i++;
 277                         if(i < _aptRwys.size()) {
 278                                 // Rwy No.
 279                                 string s = _aptRwys[i]->ident();
 280                                 _kln89->DrawText(s, 2, 9, 1);
 281                                 _kln89->DrawText("/", 2, 12, 1);
 282                                 _kln89->DrawText(GetReverseRunwayNo(s), 2, 13, 1);
 283                                 // Length
 284                                 s = GPSitoa(int(float(_aptRwys[i]->lengthFt()) * (_kln89->_altUnits == GPS_ALT_UNITS_FT ? 1.0 : SG_FEET_TO_METER) + 0.5));
 285                                 _kln89->DrawText(s, 2, 5 - s.size(), 0);
 286                                 _kln89->DrawText((_kln89->_altUnits == GPS_ALT_UNITS_FT ? "ft" : "m"), 2, 5, 0);
 287                                 // Surface
 288                                 // TODO - why not store these strings as an array?
 289                                 switch(_aptRwys[i]->surface()) {
 290                                 case 1:
 291                                         // Asphalt - fall through
 292                                 case 2:
 293                                         // Concrete
 294                                         _kln89->DrawText("HRD", 2, 9, 0);
 295                                         break;
 296                                 case 3:
 297                                 case 8:
 298                                         // Turf / Turf helipad
 299                                         _kln89->DrawText("TRF", 2, 9, 0);
 300                                         break;
 301                                 case 4:
 302                                 case 9:
 303                                         // Dirt / Dirt helipad
 304                                         _kln89->DrawText("DRT", 2, 9, 0);
 305                                         break;
 306                                 case 5:
 307                                         // Gravel
 308                                         _kln89->DrawText("GRV", 2, 9, 0);
 309                                         break;
 310                                 case 6:
 311                                         // Asphalt helipad - fall through
 312                                 case 7:
 313                                         // Concrete helipad
 314                                         _kln89->DrawText("HRD", 2, 9, 0);
 315                                         break;
 316                                 case 12:
 317                                         // Lakebed
 318                                         _kln89->DrawText("CLY", 2, 9, 0);
 319                                 default:
 320                                         // erm? ...
 321                                         _kln89->DrawText("MAT", 2, 9, 0);
 322                                 }
 323                         }
 324                 } else if(_subPage == 4) {
 325                         if(_nFreqPages > 1) {
 326                                 _kln89->DrawChar('+', 1, 3, 0);
 327                         }
 328                         unsigned int i = _curFreqPage * 3;
 329                         if(i < _aptFreqs.size()) {
 330                                 _kln89->DrawText(_aptFreqs[i].service, 2, 0, 2);
 331                                 _kln89->DrawFreq(_aptFreqs[i].freq, 2, 7, 2);
 332                         }
 333                         i++;
 334                         if(i < _aptFreqs.size()) {
 335                                 _kln89->DrawText(_aptFreqs[i].service, 2, 0, 1);
 336                                 _kln89->DrawFreq(_aptFreqs[i].freq, 2, 7, 1);
 337                         }
 338                         i++;
 339                         if(i < _aptFreqs.size()) {
 340                                 _kln89->DrawText(_aptFreqs[i].service, 2, 0, 0);
 341                                 _kln89->DrawFreq(_aptFreqs[i].freq, 2, 7, 0);
 342                         }
 343                 } else if(_subPage == 5) {
 344                         // TODO - user ought to be allowed to leave persistent remarks
 345                         _kln89->DrawText("[Remarks]", 2, 2, 2);
 346                 } else if(_subPage == 6) {
 347                         // We don't have SID/STAR database yet
 348                         // TODO
 349                         _kln89->DrawText("No SID/STAR", 2, 3, 2);
 350                         _kln89->DrawText("In Data Base", 2, 2, 1);
 351                         _kln89->DrawText("For This Airport", 2, 0, 0);
 352                 } else if(_subPage == 7) {
 353                         if(_iaps.empty()) {
 354                                 _kln89->DrawText("IAP", 2, 11, 3);
 355                                 _kln89->DrawText("No Approach", 2, 3, 2);
 356                                 _kln89->DrawText("In Data Base", 2, 2, 1);
 357                                 _kln89->DrawText("For This Airport", 2, 0, 0);
 358                         } else {
 359                                 if(_iafDialog) {
 360                                         _kln89->DrawText(_iaps[_curIap]->_ident, 2, 1, 3);
 361                                         _kln89->DrawText(_iaps[_curIap]->_rwyStr, 2, 7, 3);
 362                                         _kln89->DrawText(_iaps[_curIap]->_aptIdent, 2, 12, 3);
 363                                         _kln89->DrawText("IAF", 2, 2, 2);
 364                                         unsigned int line = 0;
 365                                         for(unsigned int i=_iafStart; i<_approachRoutes.size(); ++i) {
 366                                                 if(line == 2) {
 367                                                         i = _approachRoutes.size() - 1;
 368                                                 }
 369                                                 // Assume that the IAF number is always single digit!
 370                                                 _kln89->DrawText(GPSitoa(i+1), 2, 6, 2-line);
 371                                                 if(!(_kln89->_mode == KLN89_MODE_CRSR && _kln89->_blink && _uLinePos == (line + 1))) {
 372                                                         _kln89->DrawText(_approachRoutes[i]->waypoints[0]->id, 2, 8, 2-line);
 373                                                 }
 374                                                 if(_kln89->_mode == KLN89_MODE_CRSR && _uLinePos == (line + 1) && !(_kln89->_blink )) {
 375                                                         _kln89->Underline(2, 8, 2-line, 5);
 376                                                 }
 377                                                 ++line;
 378                                         }
 379                                         if(_uLinePos > 0 && !(_kln89->_blink)) {
 380                                                 _kln89->DrawEnt();
 381                                         }
 382                                 } else if(_addDialog) {
 383                                         _kln89->DrawText(_iaps[_curIap]->_ident, 2, 1, 3);
 384                                         _kln89->DrawText(_iaps[_curIap]->_rwyStr, 2, 7, 3);
 385                                         _kln89->DrawText(_iaps[_curIap]->_aptIdent, 2, 12, 3);
 386                                         string s = GPSitoa(_fStart + 1);
 387                                         _kln89->DrawText(s, 2, 2-s.size(), 2);
 388                                         s = GPSitoa(_kln89->_approachFP->waypoints.size());
 389                                         _kln89->DrawText(s, 2, 2-s.size(), 1);
 390                                         if(!(_uLinePos == _fStart+1 && _kln89->_blink)) {
 391                                                 _kln89->DrawText(_kln89->_approachFP->waypoints[_fStart]->id, 2, 4, 2);
 392                                                 if(_uLinePos == _fStart+1) _kln89->Underline(2, 4, 2, 6);
 393                                         }
 394                                         if(!(_uLinePos == _maxULinePos-1 && _kln89->_blink)) {
 395                                                 _kln89->DrawText(_kln89->_approachFP->waypoints[_kln89->_approachFP->waypoints.size()-1]->id, 2, 4, 1);
 396                                                 if(_uLinePos == _maxULinePos-1) _kln89->Underline(2, 4, 1, 6);
 397                                         }
 398                                         if(!(_uLinePos > _kln89->_approachFP->waypoints.size() && _kln89->_blink)) {
 399                                                 _kln89->DrawText("ADD TO FPL 0?", 2, 2, 0);
 400                                                 if(_uLinePos > _kln89->_approachFP->waypoints.size()) {
 401                                                         _kln89->Underline(2, 2, 0, 13);
 402                                                         _kln89->DrawEnt();
 403                                                 }
 404                                         }
 405                                 } else if(_replaceDialog) {
 406                                         _kln89->DrawText(_iaps[_curIap]->_ident, 2, 1, 3);
 407                                         _kln89->DrawText(_iaps[_curIap]->_rwyStr, 2, 7, 3);
 408                                         _kln89->DrawText(_iaps[_curIap]->_aptIdent, 2, 12, 3);
 409                                         _kln89->DrawText("Replace Existing", 2, 0, 2);
 410                                         _kln89->DrawText("Approach", 2, 4, 1);
 411                                         if(_uLinePos > 0 && !(_kln89->_blink)) {
 412                                                 _kln89->DrawText("APPROVE?", 2, 4, 0);
 413                                                 _kln89->Underline(2, 4, 0, 8);
 414                                                 _kln89->DrawEnt();
 415                                         }
 416                                 } else {
 417                                         _kln89->DrawText("IAP", 2, 11, 3);
 418                                         bool selApp = false;
 419                                         if(_kln89->_mode == KLN89_MODE_CRSR && _uLinePos > 4) {
 420                                                 selApp = true;
 421                                                 if(!_kln89->_blink) _kln89->DrawEnt();
 422                                         }
 423                                         // _maxULine pos should be 4 + iaps.size() at this point.
 424                                         // Draw a maximum of 3 IAPs.
 425                                         // If there are more than 3 IAPs for this airport, then we need to offset the start
 426                                         // of the list if _uLinePos is pointing at the 4th or later IAP.
 427                                         unsigned int offset = 0;
 428                                         unsigned int index;
 429                                         if(_uLinePos > 7) {
 430                                                 offset = _uLinePos - 7;
 431                                         }
 432                                         for(unsigned int i=0; i<3; ++i) {
 433                                                 index = offset + i;
 434                                                 if(index < _iaps.size()) {
 435                                                         string s = GPSitoa(index+1);
 436                                                         _kln89->DrawText(s, 2, 2 - s.size(), 2-i);
 437                                                         if(!(selApp && _uLinePos == index+5 && _kln89->_blink)) {
 438                                                                 _kln89->DrawText(_iaps[index]->_ident, 2, 3, 2-i);
 439                                                                 _kln89->DrawText(_iaps[index]->_rwyStr, 2, 9, 2-i);
 440                                                         }
 441                                                         if(selApp && _uLinePos == index+5 && !_kln89->_blink) {
 442                                                                 _kln89->Underline(2, 3, 2-i, 9);
 443                                                         }
 444                                                 } else {
 445                                                         break;
 446                                                 }
 447                                         }
 448                                 }
 449                         }
 450                 }
 451         } else {
 452                 if(_kln89->_mode != KLN89_MODE_CRSR) _kln89->DrawText(_apt_id, 2, 1, 3);
 453                 if(_subPage == 0) {
 454                         /*
 455                         _kln89->DrawText("----.-", 2, 9, 3);
 456                         _kln89->DrawText("--------------", 2, 0, 2);
 457                         _kln89->DrawText("- -- --.--'", 2, 3, 1);
 458                         _kln89->DrawText("---- --.--'", 2, 3, 0);
 459                         _kln89->DrawSpecialChar(0, 2, 7, 1);
 460                         _kln89->DrawSpecialChar(0, 2, 7, 0);
 461                         */
 462                 }
 463         }
 464
 465         if(_kln89->_mode == KLN89_MODE_CRSR) {
 466                 if(!(_subPage == 7 && (_iafDialog || _addDialog || _replaceDialog))) {
 467                         if(_uLinePos > 0 && _uLinePos < 5) {
 468                                 // TODO - blink as well
 469                                 _kln89->Underline(2, _uLinePos, 3, 1);
 470                         }
 471                         for(unsigned int i = 0; i < _apt_id.size(); ++i) {
 472                                 if(_uLinePos != (i + 1)) {
 473                                         _kln89->DrawChar(_apt_id[i], 2, i + 1, 3);
 474                                 } else {
 475                                         if(!_kln89->_blink) _kln89->DrawChar(_apt_id[i], 2, i + 1, 3);
 476                                 }
 477                         }
 478                 }
 479         }
 480
 481         _id = _apt_id;
 482
 483         KLN89Page::Update(dt);
 484 }
 485
 486 void KLN89AptPage::SetId(const string& s) {
 487         if(s != _apt_id || s != _last_apt_id) {
 488                 UpdateAirport(s);       // If we don't do this here we break things if s is the same as the current ID since the update wouldn't get called then.
 489                 /*
 490                         DCL: Hmmm - I wrote the comment above, but I don't quite understand it!
 491                         I'm not quite sure why I don't simply set _apt_id here (and NOT _last_apt_id)
 492                         and let the logic in Update(...) handle the airport details cache update.
 493                 */
 494         }
 495         _last_apt_id = _apt_id;
 496         _save_apt_id = _apt_id;
 497         _apt_id = s;
 498 }
 499
 500 // Update the cached airport details
 501 void KLN89AptPage::UpdateAirport(const string& id) {
 502         // Frequencies
 503         _aptFreqs.clear();
 504         ATCData ad;
 505         AptFreq aq;
 506         //cout << "UpdateAirport called, id = " << id << '\n';
 507         // TODO - the logic below only returns one service per type per airport - they can be on more than one freq though.
 508         if(current_commlist->FindByCode(id, ad, ATIS)) {
 509                 //cout << "Found ATIS\n";
 510                 aq.service = "ATIS*";
 511                 aq.freq = ad.freq;
 512                 _aptFreqs.push_back(aq);
 513         }
 514         if(current_commlist->FindByCode(id, ad, GROUND)) {
 515                 aq.service = "GRND*";
 516                 aq.freq = ad.freq;
 517                 _aptFreqs.push_back(aq);
 518         }
 519         if(current_commlist->FindByCode(id, ad, TOWER)) {
 520                 aq.service = "TWR *";
 521                 aq.freq = ad.freq;
 522                 _aptFreqs.push_back(aq);
 523         }
 524         if(current_commlist->FindByCode(id, ad, APPROACH)) {
 525                 aq.service = "APR";
 526                 aq.freq = ad.freq;
 527                 _aptFreqs.push_back(aq);
 528         }
 529         _nFreqPages = (unsigned int)ceil((float(_aptFreqs.size())) / 3.0f);
 530
 531         // Runways
 532         _aptRwys.clear();
 533   const FGAirport* apt = fgFindAirportID(id);
 534   assert(apt);
 535
 536   // build local array, longest runway first
 537   for (unsigned int r=0; r<apt->numRunways(); ++r) {
 538     FGRunway* rwy(apt->getRunwayByIndex(r));
 539     if ((r > 0) && (rwy->lengthFt() > _aptRwys.front()->lengthFt())) {
 540       _aptRwys.insert(_aptRwys.begin(), rwy);
 541     } else {
 542       _aptRwys.push_back(rwy);
 543     }
 544   }
 545
 546         _nRwyPages = (_aptRwys.size() + 1) / 2; // 2 runways per page.
 547         if(_nFreqPages < 1) _nFreqPages = 1;
 548         if(_nRwyPages < 1) _nRwyPages = 1;
 549
 550         // Instrument approaches
 551         // Only non-precision for now - TODO - handle precision approaches if necessary
 552         _iaps.clear();
 553         iap_map_iterator itr = _kln89->_np_iap.find(id);
 554         if(itr != _kln89->_np_iap.end()) {
 555                 _iaps = itr->second;
 556         }
 557         if(_subPage == 7) {
 558                 if(_iafDialog || _addDialog || _replaceDialog) {
 559                         // Eek - major logic error if an airport details cache update occurs
 560                         // with one of these dialogs active.
 561                         // TODO - output a warning.
 562                         //cout << "HELP!!!!!!!!!!\n";
 563                 } else {
 564                         _maxULinePos = 4 + _iaps.size();        // We shouldn't need to check the crsr for out-of-bounds here since we only update the airport details when the airport code is changed - ie. _uLinePos <= 4!
 565                 }
 566         }
 567 }
 568
 569 void KLN89AptPage::CrsrPressed() {
 570         if(_kln89->_mode == KLN89_MODE_DISP) {
 571                 if(_subPage == 7) {
 572                         // Pressing crsr jumps back to vanilla IAP page.
 573                         _iafDialog = false;
 574                         _addDialog = false;
 575                         _replaceDialog = false;
 576                 }
 577                 return;
 578         }
 579         if(_kln89->_obsMode) {
 580                 _uLinePos = 0;
 581         } else {
 582                 _uLinePos = 1;
 583         }
 584         if(_subPage == 0) {
 585                 _maxULinePos = 32;
 586         } else if(_subPage == 7) {
 587                 // Don't *think* we need some of this since some of it we can only get to by pressing ENT, not CRSR.
 588                 if(_iafDialog) {
 589                         _maxULinePos = _approachRoutes.size();
 590                         _uLinePos = 1;
 591                 } else if(_addDialog) {
 592                         _maxULinePos = 1;
 593                         _uLinePos = 1;
 594                 } else if(_replaceDialog) {
 595                         _maxULinePos = 1;
 596                         _uLinePos = 1;
 597                 } else {
 598                         _maxULinePos = 4 + _iaps.size();
 599                         if(_iaps.empty()) {
 600                                 _uLinePos = 1;
 601                         } else {
 602                                 _uLinePos = 5;
 603                         }
 604                 }
 605         } else {
 606                 _maxULinePos = 5;
 607         }
 608 }
 609
 610 void KLN89AptPage::ClrPressed() {
 611         if(_subPage == 1 && _uLinePos == 5) {
 612                 _to_flag = !_to_flag;
 613         } else if(_subPage == 7) {
 614                 // Clear backs out IAP selection one step at a time
 615                 if(_iafDialog) {
 616                         _iafDialog = false;
 617                         _maxULinePos = 4 + _iaps.size();
 618                         if(_iaps.empty()) {
 619                                 _uLinePos = 1;
 620                         } else {
 621                                 _uLinePos = 5;
 622                         }
 623                 } else if(_addDialog) {
 624                         _addDialog = false;
 625                         if(_approachRoutes.size() > 1) {
 626                                 _iafDialog = true;
 627                                 _maxULinePos = 1;
 628                                 // Don't reset _curIaf since it is remembed.
 629                                 _uLinePos = 1 + _curIaf;        // TODO - make this robust to more than 3 IAF
 630                         } else {
 631                                 _maxULinePos = 4 + _iaps.size();
 632                                 if(_iaps.empty()) {
 633                                         _uLinePos = 1;
 634                                 } else {
 635                                         _uLinePos = 5;
 636                                 }
 637                         }
 638                 } else if(_replaceDialog) {
 639                         _replaceDialog = false;
 640                         _addDialog = true;
 641                         _maxULinePos = 1;
 642                         _uLinePos = 1;
 643                 }
 644         }
 645 }
 646
 647 void KLN89AptPage::EntPressed() {
 648         if(_entInvert) {
 649                 _entInvert = false;
 650                 if(_kln89->_dtoReview) {
 651                         _kln89->DtoInitiate(_apt_id);
 652                 } else {
 653                         _last_apt_id = _apt_id;
 654                         _apt_id = _save_apt_id;
 655                 }
 656         } else if(_subPage == 7 && _kln89->_mode == KLN89_MODE_CRSR && _uLinePos > 0) {
 657                 // We are selecting an approach
 658                 if(_iafDialog) {
 659                         if(_uLinePos > 0) {
 660                                 // Record the IAF that was picked
 661                                 if(_uLinePos == 3) {
 662                                         _curIaf = _approachRoutes.size() - 1;
 663                                 } else {
 664                                         _curIaf = _uLinePos - 1 + _iafStart;
 665                                 }
 666                                 //cout << "_curIaf = " << _curIaf << '\n';
 667                                 // TODO - delete the waypoints inside _approachFP before clearing them!!!!!!!
 668                                 _kln89->_approachFP->waypoints.clear();
 669                                 GPSWaypoint* wp = new GPSWaypoint;
 670                                 *wp = *(_approachRoutes[_curIaf]->waypoints[0]);        // Need to make copies here since we're going to alter ID and type sometimes
 671                                 string iafid = wp->id;
 672                                 _kln89->_approachFP->waypoints.push_back(wp);
 673                                 for(unsigned int i=0; i<_IAP.size(); ++i) {
 674                                         if(_IAP[i]->id != iafid) {      // Don't duplicate waypoints that are part of the initial fix list and the approach procedure list.
 675                         // FIXME - allow the same waypoint to be both the IAF and the FAF in some
 676                         // approaches that have a procedure turn eg. KDLL
 677                         // Also allow MAF to be the same as IAF!
 678                                                 wp = new GPSWaypoint;
 679                                                 *wp = *_IAP[i];
 680                                                 //cout << "Adding waypoint " << wp->id << ", type is " << wp->appType << '\n';
 681                                                 //if(wp->appType == GPS_FAF) wp->id += 'f';
 682                                                 //if(wp->appType == GPS_MAP) wp->id += 'm';
 683                                                 //cout << "New id = " << wp->id << '\n';
 684                                                 _kln89->_approachFP->waypoints.push_back(wp);
 685                                         }
 686                                 }
 687                                 _iafDialog = false;
 688                                 _addDialog = true;
 689                                 _maxULinePos = _kln89->_approachFP->waypoints.size() + 1;
 690                                 _uLinePos = _maxULinePos;
 691                         }
 692                 } else if(_addDialog) {
 693                         if(_uLinePos == _maxULinePos) {
 694                                 _addDialog = false;
 695                                 if(_kln89->ApproachLoaded()) {
 696                                         _replaceDialog = true;
 697                                         _uLinePos = 1;
 698                                         _maxULinePos = 1;
 699                                 } else {
 700                     // Now load the approach into the active flightplan.
 701                     // As far as I can tell, the rules are this:
 702                     // If the airport of the approach is in the flightplan, insert it prior to this.  (Not sure what happens if airport has already been passed).
 703                     // If the airport is not in the flightplan, append the approach to the flightplan, even if it is closer than the current active leg,
 704                     // in which case reorientate to flightplan might put us on the approach, but unable to activate it.
 705                     // However, it appears from the sim as if this can indeed happen if the user is not carefull.
 706                     bool added = false;
 707                     for(unsigned int i=0; i<_kln89->_activeFP->waypoints.size(); ++i) {
 708                         if(_kln89->_activeFP->waypoints[i]->id == _apt_id) {
 709                             _kln89->_activeFP->waypoints.insert(_kln89->_activeFP->waypoints.begin()+i, _kln89->_approachFP->waypoints.begin(), _kln89->_approachFP->waypoints.end());
 710                             added = true;
 711                             break;
 712                         }
 713                     }
 714                     if(!added) {
 715                         _kln89->_activeFP->waypoints.insert(_kln89->_activeFP->waypoints.end(), _kln89->_approachFP->waypoints.begin(), _kln89->_approachFP->waypoints.end());
 716                     }
 717                                         _kln89->_approachID = _apt_id;
 718                                         _kln89->_approachAbbrev = _iaps[_curIap]->_ident;
 719                                         _kln89->_approachRwyStr = _iaps[_curIap]->_rwyStr;
 720                                         _kln89->_approachLoaded = true;
 721                                         //_kln89->_messageStack.push_back("*Press ALT To Set Baro");
 722                                         // Actually - this message is only sent when we go into appraoch-arm mode.
 723                                         // TODO - check the flightplan for consistency
 724                                         _kln89->OrientateToActiveFlightPlan();
 725                                         _kln89->_mode = KLN89_MODE_DISP;
 726                                         _kln89->_curPage = 7;
 727                                         _kln89->_activePage = _kln89->_pages[7];        // Do we need to clean up here at all before jumping?
 728                                 }
 729                         }
 730                 } else if(_replaceDialog) {
 731                         // TODO - load the approach!
 732                 } else if(_uLinePos > 4) {
 733                         _approachRoutes.clear();
 734                         _IAP.clear();
 735                         _curIaf = 0;
 736                         _approachRoutes = ((FGNPIAP*)(_iaps[_uLinePos-5]))->_approachRoutes;
 737                         _IAP = ((FGNPIAP*)(_iaps[_uLinePos-5]))->_IAP;
 738                         _curIap = _uLinePos - 5;        // TODO - handle the start of list ! no. 1, and the end of list not sequential!
 739                         _uLinePos = 1;
 740                         if(_approachRoutes.size() > 1) {
 741                                 // More than 1 IAF - display the selection dialog
 742                                 _iafDialog = true;
 743                                 _maxULinePos = _approachRoutes.size();
 744                         } else {
 745                                 // There is only 1 IAF, so load the waypoints into the approach flightplan here.
 746                                 // TODO - there is nasty code duplication loading the approach FP between the case here where we have only one
 747                                 // IAF and the case where we must choose the IAF from a list.  Try to tidy this after it is all working properly.
 748                                 _kln89->_approachFP->waypoints.clear();
 749                                 GPSWaypoint* wp = new GPSWaypoint;
 750                                 *wp = *(_approachRoutes[0]->waypoints[0]);      // Need to make copies here since we're going to alter ID and type sometimes
 751                                 string iafid = wp->id;
 752                                 _kln89->_approachFP->waypoints.push_back(wp);
 753                                 for(unsigned int i=0; i<_IAP.size(); ++i) {
 754                                         if(_IAP[i]->id != iafid) {      // Don't duplicate waypoints that are part of the initial fix list and the approach procedure list.
 755                                                 // FIXME - allow the same waypoint to be both the IAF and the FAF in some
 756                                                 // approaches that have a procedure turn eg. KDLL
 757                                                 // Also allow MAF to be the same as IAF!
 758                                                 wp = new GPSWaypoint;
 759                                                 *wp = *_IAP[i];
 760                                                 _kln89->_approachFP->waypoints.push_back(wp);
 761                                         }
 762                                 }
 763                                 _addDialog = true;
 764                                 _maxULinePos = 1;
 765                         }
 766                 }
 767         }
 768 }
 769
 770 void KLN89AptPage::Knob1Left1() {
 771         if(_kln89->_mode == KLN89_MODE_CRSR && _subPage == 7 && _addDialog) {
 772                 if(_uLinePos == _maxULinePos) {
 773                         _uLinePos--;
 774                         if(_kln89->_approachFP->waypoints.size() > 1) _fStart = _kln89->_approachFP->waypoints.size() - 2;
 775                 } else if(_uLinePos == _maxULinePos - 1) {
 776                         _uLinePos--;
 777                 } else if(_uLinePos > 0) {
 778                         if(_fStart == 0) {
 779                                 _uLinePos--;
 780                         } else {
 781                                 _uLinePos--;
 782                                 _fStart--;
 783                         }
 784                 }
 785         } else {
 786                 KLN89Page::Knob1Left1();
 787         }
 788 }
 789
 790 void KLN89AptPage::Knob1Right1() {
 791         if(_kln89->_mode == KLN89_MODE_CRSR && _subPage == 7 && _addDialog) {
 792                 if(_uLinePos == _maxULinePos) {
 793                         // no-op
 794                 } else if(_uLinePos == _maxULinePos - 1) {
 795                         _uLinePos++;
 796                         _fStart = 0;
 797                 } else if(_uLinePos > 0) {
 798                         if(_fStart >= _kln89->_approachFP->waypoints.size() - 2) {
 799                                 _uLinePos++;
 800                         } else {
 801                                 _uLinePos++;
 802                                 _fStart++;
 803                         }
 804                 } else if(_uLinePos == 0) {
 805                         _uLinePos++;
 806                         _fStart = 0;
 807                 }
 808         } else {
 809                 KLN89Page::Knob1Right1();
 810         }
 811 }
 812
 813 void KLN89AptPage::Knob2Left1() {
 814         if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
 815                 if(_uLinePos == 0 && _kln89->_mode == KLN89_MODE_CRSR && _kln89->_obsMode) {
 816                         KLN89Page::Knob2Left1();
 817                 } else if(_subPage == 5) {
 818                         _subPage = 4;
 819                         _curFreqPage = _nFreqPages - 1;
 820                 } else if(_subPage == 4) {
 821                         // Freqency pages
 822                         if(_curFreqPage == 0) {
 823                                 _subPage = 3;
 824                                 _curRwyPage = _nRwyPages - 1;
 825                         } else {
 826                                 _curFreqPage--;
 827                         }
 828                 } else if(_subPage == 3) {
 829                         if(_curRwyPage == 0) {
 830                                 KLN89Page::Knob2Left1();
 831                         } else {
 832                                 _curRwyPage--;
 833                         }
 834                 } else if(_subPage == 0) {
 835                         _subPage = 7;
 836                         // We have to set _uLinePos here even though the cursor isn't pressed, to
 837                         // ensure that the list displays properly.
 838                         if(_iaps.empty()) {
 839                                 _uLinePos = 1;
 840                         } else {
 841                                 _uLinePos = 5;
 842                         }
 843                 } else {
 844                         KLN89Page::Knob2Left1();
 845                 }
 846         } else {
 847                 if(_uLinePos < 5 && !(_subPage == 7 && (_iafDialog || _addDialog || _replaceDialog))) {
 848                         // Same logic for all pages - set the ID
 849                         _apt_id = _apt_id.substr(0, _uLinePos);
 850                         // ASSERT(_uLinePos > 0);
 851                         if(_uLinePos == (_apt_id.size() + 1)) {
 852                                 _apt_id += '9';
 853                         } else {
 854                                 _apt_id[_uLinePos - 1] = _kln89->DecChar(_apt_id[_uLinePos - 1], (_uLinePos == 1 ? false : true));
 855                         }
 856                 } else {
 857                         if(_subPage == 0) {
 858                                 // TODO - set by name
 859                         } else {
 860                                 // NO-OP - to/fr is cycled by clr button
 861                         }
 862                 }
 863         }
 864 }
 865
 866 void KLN89AptPage::Knob2Right1() {
 867         if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
 868                 if(_uLinePos == 0 && _kln89->_mode == KLN89_MODE_CRSR && _kln89->_obsMode) {
 869                         KLN89Page::Knob2Right1();
 870                 } else if(_subPage == 2) {
 871                         _subPage = 3;
 872                         _curRwyPage = 0;
 873                 } else if(_subPage == 3) {
 874                         if(_curRwyPage == _nRwyPages - 1) {
 875                                 _subPage = 4;
 876                                 _curFreqPage = 0;
 877                         } else {
 878                                 _curRwyPage++;
 879                         }
 880                 } else if(_subPage == 4) {
 881                         if(_curFreqPage == _nFreqPages - 1) {
 882                                 _subPage = 5;
 883                         } else {
 884                                 _curFreqPage++;
 885                         }
 886                 } else if(_subPage == 6) {
 887                         _subPage = 7;
 888                         // We have to set _uLinePos here even though the cursor isn't pressed, to
 889                         // ensure that the list displays properly.
 890                         if(_iaps.empty()) {
 891                                 _uLinePos = 1;
 892                         } else {
 893                                 _uLinePos = 5;
 894                         }
 895                 } else {
 896                         KLN89Page::Knob2Right1();
 897                 }
 898         } else {
 899                 if(_uLinePos < 5 && !(_subPage == 7 && (_iafDialog || _addDialog || _replaceDialog))) {
 900                         // Same logic for all pages - set the ID
 901                         _apt_id = _apt_id.substr(0, _uLinePos);
 902                         // ASSERT(_uLinePos > 0);
 903                         if(_uLinePos == (_apt_id.size() + 1)) {
 904                                 _apt_id += 'A';
 905                         } else {
 906                                 _apt_id[_uLinePos - 1] = _kln89->IncChar(_apt_id[_uLinePos - 1], (_uLinePos == 1 ? false : true));
 907                         }
 908                 } else {
 909                         if(_subPage == 0) {
 910                                 // TODO - set by name
 911                         } else {
 912                                 // NO-OP - to/fr is cycled by clr button
 913                         }
 914                 }
 915         }
 916 }