src/Instrumentation/KLN89/kln89_page_int.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 - daveluff AT ntlworld.com
   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_int.hxx"
  29 #include <Navaids/fix.hxx>
  30 #include <Navaids/navrecord.hxx>
  31
  32 using std::string;
  33
  34 KLN89IntPage::KLN89IntPage(KLN89* parent)
  35 : KLN89Page(parent) {
  36         _nSubPages = 2;
  37         _subPage = 0;
  38         _name = "INT";
  39         _int_id = "PORTE";
  40         _last_int_id = "";
  41         _fp = NULL;
  42         _nearestVor = NULL;
  43         _refNav = NULL;
  44 }
  45
  46 KLN89IntPage::~KLN89IntPage() {
  47 }
  48
  49 void KLN89IntPage::Update(double dt) {
  50         bool actPage = (_kln89->_activePage->GetName() == "ACT" ? true : false);
  51         bool multi;  // Not set by FindFirst...
  52         bool exact = false;
  53         if(_int_id.size() == 5) exact = true;
  54         if(_fp == NULL) {
  55                 _fp = _kln89->FindFirstIntById(_int_id, multi, exact);
  56         } else if(_fp->get_ident() != _int_id) {
  57                 _fp = _kln89->FindFirstIntById(_int_id, multi, exact);
  58         }
  59
  60         if(_fp) {
  61                 _int_id = _fp->get_ident();
  62                 if(_kln89->GetActiveWaypoint()) {
  63                         if(_int_id == _kln89->GetActiveWaypoint()->id) {
  64                                 if(!(_kln89->_waypointAlert && _kln89->_blink)) {
  65                                         // Active waypoint arrow
  66                                         _kln89->DrawSpecialChar(4, 2, 0, 3);
  67                                 }
  68                         }
  69                 }
  70                 if(_int_id != _last_int_id) {
  71                         _nearestVor = _kln89->FindClosestVor(_fp->get_lat() * SG_DEGREES_TO_RADIANS, _fp->get_lon() * SG_DEGREES_TO_RADIANS);
  72                         if(_nearestVor) {
  73                                 _nvRadial = _kln89->GetMagHeadingFromTo(_nearestVor->get_lat() * SG_DEGREES_TO_RADIANS, _nearestVor->get_lon() * SG_DEGREES_TO_RADIANS,
  74                                                                     _fp->get_lat() * SG_DEGREES_TO_RADIANS, _fp->get_lon() * SG_DEGREES_TO_RADIANS);
  75                                 _nvDist = _kln89->GetGreatCircleDistance(_nearestVor->get_lat() * SG_DEGREES_TO_RADIANS, _nearestVor->get_lon() * SG_DEGREES_TO_RADIANS,
  76                                                                      _fp->get_lat() * SG_DEGREES_TO_RADIANS, _fp->get_lon() * SG_DEGREES_TO_RADIANS);
  77                                 _refNav = _nearestVor;  // TODO - check that this *always* holds - eg. when changing INT id after explicitly setting ref nav
  78                                                                         // but with no loss of focus.
  79                         } else {
  80                                 _refNav = NULL;
  81                         }
  82                         _last_int_id = _int_id;
  83                 }
  84                 if(_kln89->_mode != KLN89_MODE_CRSR) {
  85                         if(!_entInvert) {
  86                                 if(!actPage) {
  87                                         _kln89->DrawText(_fp->get_ident(), 2, 1, 3);
  88                                 } else {
  89                                         // If it's the ACT page, The ID is shifted slightly right to make space for the waypoint index.
  90                                         _kln89->DrawText(_fp->get_ident(), 2, 4, 3);
  91                                         char buf[3];
  92                                         int n = snprintf(buf, 3, "%i", _kln89->GetActiveWaypointIndex() + 1);
  93                                         _kln89->DrawText((string)buf, 2, 3 - n, 3);
  94                                         // We also draw an I to differentiate INT from USR when it's the ACT page
  95                                         _kln89->DrawText("I", 2, 11, 3);
  96                                 }
  97                         } else {
  98                                 if(!_kln89->_blink) {
  99                                         _kln89->DrawText(_fp->get_ident(), 2, 1, 3, false, 99);
 100                                         _kln89->DrawEnt();
 101                                 }
 102                         }
 103                 }
 104                 if(_subPage == 0) {
 105                         _kln89->DrawLatitude(_fp->get_lat(), 2, 3, 2);
 106                         _kln89->DrawLongitude(_fp->get_lon(), 2, 3, 1);
 107                         _kln89->DrawDirDistField(_fp->get_lat() * SG_DEGREES_TO_RADIANS, _fp->get_lon() * SG_DEGREES_TO_RADIANS, 2, 0, 0,
 108                                                  _to_flag, (_kln89->_mode == KLN89_MODE_CRSR && _uLinePos == 6 ? true : false));
 109                 } else {
 110                         _kln89->DrawText("Ref:", 2, 1, 2);
 111                         _kln89->DrawText("Rad:", 2, 1, 1);
 112                         _kln89->DrawText("Dis:", 2, 1, 0);
 113                         if(_refNav) {
 114                                 _kln89->DrawText(_refNav->get_ident(), 2, 9, 2);        // TODO - flash and allow to change if under cursor
 115                                 //_kln89->DrawHeading(_nvRadial, 2, 11, 1);
 116                                 //_kln89->DrawDist(_nvDist, 2, 11, 0);
 117                                 // Currently our draw heading and draw dist functions don't do as many decimal points as we want here,
 118                                 // so draw it ourselves!
 119                                 // Heading
 120                                 char buf[10];
 121                                 snprintf(buf, 6, "%.1f", _nvRadial);
 122                                 string s = buf;
 123                                 _kln89->DrawText(s, 2, 13 - s.size(), 1);
 124                                 _kln89->DrawSpecialChar(0, 2, 13, 1);   // Degrees symbol
 125                                 // Dist
 126                                 double d = _nvDist;
 127                                 d *= (_kln89->_distUnits == GPS_DIST_UNITS_NM ? 1.0 : SG_NM_TO_METER * 0.001);
 128                                 snprintf(buf, 9, "%.1f", d);
 129                                 s = buf;
 130                                 s += (_kln89->_distUnits == GPS_DIST_UNITS_NM ? "nm" : "Km");
 131                                 _kln89->DrawText(s, 2, 14 - s.size(), 0);
 132                         }
 133                 }
 134         } else {
 135                 // TODO - when we leave the page with invalid id and return it should
 136                 // revert to showing the last valid id.  Same for vor/ndb/probably apt etc.
 137                 if(_kln89->_mode != KLN89_MODE_CRSR) _kln89->DrawText(_int_id, 2, 1, 3);
 138                 if(_subPage == 0) {
 139                         _kln89->DrawText("- -- --.--'", 2, 3, 2);
 140                         _kln89->DrawText("---- --.--'", 2, 3, 1);
 141                         _kln89->DrawSpecialChar(0, 2, 7, 2);
 142                         _kln89->DrawSpecialChar(0, 2, 7, 1);
 143                         _kln89->DrawText(">---    ----", 2, 0, 0);
 144                         _kln89->DrawSpecialChar(0, 2, 4, 0);
 145                         _kln89->DrawText(_to_flag ? "To" : "Fr", 2, 5, 0);
 146                         _kln89->DrawText(_kln89->_distUnits == GPS_DIST_UNITS_NM ? "nm" : "km", 2, 12, 0);
 147                 }
 148         }
 149
 150         if(_kln89->_mode == KLN89_MODE_CRSR) {
 151                 if(_uLinePos > 0 && _uLinePos < 6) {
 152                         // TODO - blink as well
 153                         _kln89->Underline(2, _uLinePos, 3, 1);
 154                 }
 155                 for(unsigned int i = 0; i < _int_id.size(); ++i) {
 156                         if(_uLinePos != (i + 1)) {
 157                                 _kln89->DrawChar(_int_id[i], 2, i + 1, 3);
 158                         } else {
 159                                 if(!_kln89->_blink) _kln89->DrawChar(_int_id[i], 2, i + 1, 3);
 160                         }
 161                 }
 162         }
 163
 164         // TODO - fix this duplication - use _id instead of _apt_id, _vor_id, _ndb_id, _int_id etc!
 165         _id = _int_id;
 166
 167         KLN89Page::Update(dt);
 168 }
 169
 170 void KLN89IntPage::SetId(const string& s) {
 171         _last_int_id = _int_id;
 172         _save_int_id = _int_id;
 173         _int_id = s;
 174         _fp = NULL;
 175 }
 176
 177 void KLN89IntPage::CrsrPressed() {
 178         if(_kln89->_mode == KLN89_MODE_DISP) return;
 179         if(_kln89->_obsMode) {
 180                 _uLinePos = 0;
 181         } else {
 182                 _uLinePos = 1;
 183         }
 184         if(_subPage == 0) {
 185                 _maxULinePos = 6;
 186         } else {
 187                 _maxULinePos = 6;
 188         }
 189 }
 190
 191 void KLN89IntPage::ClrPressed() {
 192         if(_subPage == 0 && _uLinePos == 6) {
 193                 _to_flag = !_to_flag;
 194         }
 195 }
 196
 197 void KLN89IntPage::EntPressed() {
 198         if(_entInvert) {
 199                 _entInvert = false;
 200                 _entInvert = false;
 201                 if(_kln89->_dtoReview) {
 202                         _kln89->DtoInitiate(_int_id);
 203                 } else {
 204                         _last_int_id = _int_id;
 205                         _int_id = _save_int_id;
 206                 }
 207         }
 208 }
 209
 210 void KLN89IntPage::Knob2Left1() {
 211         if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
 212                 KLN89Page::Knob2Left1();
 213         } else {
 214                 if(_uLinePos < 6) {
 215                         // Same logic for both pages - set the ID
 216                         _int_id = _int_id.substr(0, _uLinePos);
 217                         // ASSERT(_uLinePos > 0);
 218                         if(_uLinePos == (_int_id.size() + 1)) {
 219                                 _int_id += '9';
 220                         } else {
 221                                 _int_id[_uLinePos - 1] = _kln89->DecChar(_int_id[_uLinePos - 1], (_uLinePos == 1 ? false : true));
 222                         }
 223                 } else {
 224                         if(_subPage == 0) {
 225                                 // NO-OP - from/to field is switched by clr button, not inner knob.
 226                         } else {
 227                                 // TODO - LNR type field.
 228                         }
 229                 }
 230         }
 231 }
 232
 233 void KLN89IntPage::Knob2Right1() {
 234         if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
 235                 KLN89Page::Knob2Right1();
 236         } else {
 237                 if(_uLinePos < 6) {
 238                         // Same logic for both pages - set the ID
 239                         _int_id = _int_id.substr(0, _uLinePos);
 240                         // ASSERT(_uLinePos > 0);
 241                         if(_uLinePos == (_int_id.size() + 1)) {
 242                                 _int_id += 'A';
 243                         } else {
 244                                 _int_id[_uLinePos - 1] = _kln89->IncChar(_int_id[_uLinePos - 1], (_uLinePos == 1 ? false : true));
 245                         }
 246                 } else {
 247                         if(_subPage == 0) {
 248                                 // NO-OP - from/to field is switched by clr button, not inner knob.
 249                         } else {
 250                                 // TODO - LNR type field.
 251                         }
 252                 }
 253         }
 254 }
 255