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 - 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., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 //
  22 // $Id$
  23
  24 #include "kln89_page_int.hxx"
  25
  26 KLN89IntPage::KLN89IntPage(KLN89* parent)
  27 : KLN89Page(parent) {
  28         _nSubPages = 2;
  29         _subPage = 0;
  30         _name = "INT";
  31         _int_id = "PORTE";
  32         _last_int_id = "";
  33         _fp = NULL;
  34         _nearestVor = NULL;
  35         _refNav = NULL;
  36 }
  37
  38 KLN89IntPage::~KLN89IntPage() {
  39 }
  40
  41 void KLN89IntPage::Update(double dt) {
  42         bool actPage = (_kln89->_activePage->GetName() == "ACT" ? true : false);
  43         bool multi;  // Not set by FindFirst...
  44         bool exact = false;
  45         if(_int_id.size() == 5) exact = true;
  46         if(_fp == NULL) {
  47                 _fp = _kln89->FindFirstIntById(_int_id, multi, exact);
  48         } else if(_fp->get_ident() != _int_id) {
  49                 _fp = _kln89->FindFirstIntById(_int_id, multi, exact);
  50         }
  51
  52         if(_fp) {
  53                 _int_id = _fp->get_ident();
  54                 if(_kln89->GetActiveWaypoint()) {
  55                         if(_int_id == _kln89->GetActiveWaypoint()->id) {
  56                                 if(!(_kln89->_waypointAlert && _kln89->_blink)) {
  57                                         // Active waypoint arrow
  58                                         _kln89->DrawSpecialChar(4, 2, 0, 3);
  59                                 }
  60                         }
  61                 }
  62                 if(_int_id != _last_int_id) {
  63                         _nearestVor = _kln89->FindClosestVor(_fp->get_lat() * SG_DEGREES_TO_RADIANS, _fp->get_lon() * SG_DEGREES_TO_RADIANS);
  64                         if(_nearestVor) {
  65                                 _nvRadial = _kln89->GetMagHeadingFromTo(_nearestVor->get_lat() * SG_DEGREES_TO_RADIANS, _nearestVor->get_lon() * SG_DEGREES_TO_RADIANS,
  66                                                                     _fp->get_lat() * SG_DEGREES_TO_RADIANS, _fp->get_lon() * SG_DEGREES_TO_RADIANS);
  67                                 _nvDist = _kln89->GetGreatCircleDistance(_nearestVor->get_lat() * SG_DEGREES_TO_RADIANS, _nearestVor->get_lon() * SG_DEGREES_TO_RADIANS,
  68                                                                      _fp->get_lat() * SG_DEGREES_TO_RADIANS, _fp->get_lon() * SG_DEGREES_TO_RADIANS);
  69                                 _refNav = _nearestVor;  // TODO - check that this *always* holds - eg. when changing INT id after explicitly setting ref nav
  70                                                                         // but with no loss of focus.
  71                         } else {
  72                                 _refNav = NULL;
  73                         }
  74                         _last_int_id = _int_id;
  75                 }
  76                 if(_kln89->_mode != KLN89_MODE_CRSR) {
  77                         if(!_entInvert) {
  78                                 if(!actPage) {
  79                                         _kln89->DrawText(_fp->get_ident(), 2, 1, 3);
  80                                 } else {
  81                                         // If it's the ACT page, The ID is shifted slightly right to make space for the waypoint index.
  82                                         _kln89->DrawText(_fp->get_ident(), 2, 4, 3);
  83                                         char buf[3];
  84                                         int n = snprintf(buf, 3, "%i", _kln89->GetActiveWaypointIndex() + 1);
  85                                         _kln89->DrawText((string)buf, 2, 3 - n, 3);
  86                                         // We also draw an I to differentiate INT from USR when it's the ACT page
  87                                         _kln89->DrawText("I", 2, 11, 3);
  88                                 }
  89                         } else {
  90                                 if(!_kln89->_blink) {
  91                                         _kln89->DrawText(_fp->get_ident(), 2, 1, 3, false, 99);
  92                                         _kln89->DrawEnt();
  93                                 }
  94                         }
  95                 }
  96                 if(_subPage == 0) {
  97                         _kln89->DrawLatitude(_fp->get_lat(), 2, 3, 2);
  98                         _kln89->DrawLongitude(_fp->get_lon(), 2, 3, 1);
  99                         _kln89->DrawDirDistField(_fp->get_lat() * SG_DEGREES_TO_RADIANS, _fp->get_lon() * SG_DEGREES_TO_RADIANS, 2, 0, 0,
 100                                                  _to_flag, (_kln89->_mode == KLN89_MODE_CRSR && _uLinePos == 6 ? true : false));
 101                 } else {
 102                         _kln89->DrawText("Ref:", 2, 1, 2);
 103                         _kln89->DrawText("Rad:", 2, 1, 1);
 104                         _kln89->DrawText("Dis:", 2, 1, 0);
 105                         if(_refNav) {
 106                                 _kln89->DrawText(_refNav->get_ident(), 2, 9, 2);        // TODO - flash and allow to change if under cursor
 107                                 //_kln89->DrawHeading(_nvRadial, 2, 11, 1);
 108                                 //_kln89->DrawDist(_nvDist, 2, 11, 0);
 109                                 // Currently our draw heading and draw dist functions don't do as many decimal points as we want here,
 110                                 // so draw it ourselves!
 111                                 // Heading
 112                                 char buf[10];
 113                                 snprintf(buf, 6, "%.1f", _nvRadial);
 114                                 string s = buf;
 115                                 _kln89->DrawText(s, 2, 13 - s.size(), 1);
 116                                 _kln89->DrawSpecialChar(0, 2, 13, 1);   // Degrees symbol
 117                                 // Dist
 118                                 double d = _nvDist;
 119                                 d *= (_kln89->_distUnits == GPS_DIST_UNITS_NM ? 1.0 : SG_NM_TO_METER * 0.001);
 120                                 snprintf(buf, 9, "%.1f", d);
 121                                 s = buf;
 122                                 s += (_kln89->_distUnits == GPS_DIST_UNITS_NM ? "nm" : "Km");
 123                                 _kln89->DrawText(s, 2, 14 - s.size(), 0);
 124                         }
 125                 }
 126         } else {
 127                 // TODO - when we leave the page with invalid id and return it should
 128                 // revert to showing the last valid id.  Same for vor/ndb/probably apt etc.
 129                 if(_kln89->_mode != KLN89_MODE_CRSR) _kln89->DrawText(_int_id, 2, 1, 3);
 130                 if(_subPage == 0) {
 131                         _kln89->DrawText("- -- --.--'", 2, 3, 2);
 132                         _kln89->DrawText("---- --.--'", 2, 3, 1);
 133                         _kln89->DrawSpecialChar(0, 2, 7, 2);
 134                         _kln89->DrawSpecialChar(0, 2, 7, 1);
 135                         _kln89->DrawText(">---    ----", 2, 0, 0);
 136                         _kln89->DrawSpecialChar(0, 2, 4, 0);
 137                         _kln89->DrawText(_to_flag ? "To" : "Fr", 2, 5, 0);
 138                         _kln89->DrawText(_kln89->_distUnits == GPS_DIST_UNITS_NM ? "nm" : "km", 2, 12, 0);
 139                 }
 140         }
 141
 142         if(_kln89->_mode == KLN89_MODE_CRSR) {
 143                 if(_uLinePos > 0 && _uLinePos < 6) {
 144                         // TODO - blink as well
 145                         _kln89->Underline(2, _uLinePos, 3, 1);
 146                 }
 147                 for(unsigned int i = 0; i < _int_id.size(); ++i) {
 148                         if(_uLinePos != (i + 1)) {
 149                                 _kln89->DrawChar(_int_id[i], 2, i + 1, 3);
 150                         } else {
 151                                 if(!_kln89->_blink) _kln89->DrawChar(_int_id[i], 2, i + 1, 3);
 152                         }
 153                 }
 154         }
 155
 156         // TODO - fix this duplication - use _id instead of _apt_id, _vor_id, _ndb_id, _int_id etc!
 157         _id = _int_id;
 158
 159         KLN89Page::Update(dt);
 160 }
 161
 162 void KLN89IntPage::SetId(const string& s) {
 163         _last_int_id = _int_id;
 164         _save_int_id = _int_id;
 165         _int_id = s;
 166         _fp = NULL;
 167 }
 168
 169 void KLN89IntPage::CrsrPressed() {
 170         if(_kln89->_mode == KLN89_MODE_DISP) return;
 171         if(_kln89->_obsMode) {
 172                 _uLinePos = 0;
 173         } else {
 174                 _uLinePos = 1;
 175         }
 176         if(_subPage == 0) {
 177                 _maxULinePos = 6;
 178         } else {
 179                 _maxULinePos = 6;
 180         }
 181 }
 182
 183 void KLN89IntPage::ClrPressed() {
 184         if(_subPage == 0 && _uLinePos == 6) {
 185                 _to_flag = !_to_flag;
 186         }
 187 }
 188
 189 void KLN89IntPage::EntPressed() {
 190         if(_entInvert) {
 191                 _entInvert = false;
 192                 _last_int_id = _int_id;
 193                 _int_id = _save_int_id;
 194         }
 195 }
 196
 197 void KLN89IntPage::Knob2Left1() {
 198         if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
 199                 KLN89Page::Knob2Left1();
 200         } else {
 201                 if(_uLinePos < 6) {
 202                         // Same logic for both pages - set the ID
 203                         _int_id = _int_id.substr(0, _uLinePos);
 204                         // ASSERT(_uLinePos > 0);
 205                         if(_uLinePos == (_int_id.size() + 1)) {
 206                                 _int_id += '9';
 207                         } else {
 208                                 _int_id[_uLinePos - 1] = _kln89->DecChar(_int_id[_uLinePos - 1], (_uLinePos == 1 ? false : true));
 209                         }
 210                 } else {
 211                         if(_subPage == 0) {
 212                                 // NO-OP - from/to field is switched by clr button, not inner knob.
 213                         } else {
 214                                 // TODO - LNR type field.
 215                         }
 216                 }
 217         }
 218 }
 219
 220 void KLN89IntPage::Knob2Right1() {
 221         if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
 222                 KLN89Page::Knob2Right1();
 223         } else {
 224                 if(_uLinePos < 6) {
 225                         // Same logic for both pages - set the ID
 226                         _int_id = _int_id.substr(0, _uLinePos);
 227                         // ASSERT(_uLinePos > 0);
 228                         if(_uLinePos == (_int_id.size() + 1)) {
 229                                 _int_id += 'A';
 230                         } else {
 231                                 _int_id[_uLinePos - 1] = _kln89->IncChar(_int_id[_uLinePos - 1], (_uLinePos == 1 ? false : true));
 232                         }
 233                 } else {
 234                         if(_subPage == 0) {
 235                                 // NO-OP - from/to field is switched by clr button, not inner knob.
 236                         } else {
 237                                 // TODO - LNR type field.
 238                         }
 239                 }
 240         }
 241 }
 242