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