src/Instrumentation/KLN89/kln89_page_alt.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 2010.
   5 //
   6 // Copyright (C) 2010 - 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 #ifdef HAVE_CONFIG_H
  23 #  include "config.h"
  24 #endif
  25
  26 #include <cstdio>
  27
  28 #include "kln89_page_alt.hxx"
  29
  30 using std::string;
  31
  32 KLN89AltPage::KLN89AltPage(KLN89* parent)
  33 : KLN89Page(parent) {
  34         _nSubPages = 2;
  35         _subPage = 0;
  36         _name = "ALT";
  37         _uLinePos = 1;
  38         _maxULinePos = 1;
  39 }
  40
  41 KLN89AltPage::~KLN89AltPage() {
  42 }
  43
  44 void KLN89AltPage::Update(double dt) {
  45         if(_subPage == 0) {
  46                 _kln89->DrawText("BARO:", 2, 2, 3);
  47                 if(_kln89->_baroUnits == GPS_PRES_UNITS_IN) {
  48                         // If the units are not consistent with the setting, then convert to the correct
  49                         // units.  We do it here instead of where the units are set in order to avoid any
  50                         // possible value creep with multiple unit toggling.
  51                         if(_kln89->_userBaroSetting >= 745 && _kln89->_userBaroSetting <= 1117) {
  52                                 _kln89->_userBaroSetting = (int)((float)_kln89->_userBaroSetting * 0.0295301 * 100 + 0.5);
  53                         }
  54                         char buf[6];
  55                         snprintf(buf, 6, "%2i.%02i", _kln89->_userBaroSetting/100, _kln89->_userBaroSetting % 100);
  56                         string s = buf;
  57                         if(!(_kln89->_mode == KLN89_MODE_CRSR && _uLinePos == 1 && _kln89->_blink)) {
  58                                 _kln89->DrawText(s, 2, 7, 3);
  59                         }
  60                         if(_kln89->_mode == KLN89_MODE_CRSR && _uLinePos == 1) {
  61                                 _kln89->Underline(2, 7, 3, 5);
  62                         }
  63                         _kln89->DrawText("\"", 2, 12, 3);
  64                 } else {
  65                         // If the units are not consistent with the setting, then convert to the correct
  66                         // units.  We do it here instead of where the units are set in order to avoid any
  67                         // possible value creep with multiple unit toggling.
  68                         if(_kln89->_userBaroSetting >= 2200 && _kln89->_userBaroSetting <= 3299) {
  69                                 _kln89->_userBaroSetting = (int)(((float)_kln89->_userBaroSetting / 100.0) * 33.8637526 + 0.5);
  70                         }
  71                         char buf[5];
  72                         snprintf(buf, 5, "%4i", _kln89->_userBaroSetting);
  73                         string s = buf;
  74                         if(!(_kln89->_mode == KLN89_MODE_CRSR && _uLinePos == 1 && _kln89->_blink)) {
  75                                 _kln89->DrawText(s, 2, 8, 3);
  76                         }
  77                         if(_kln89->_mode == KLN89_MODE_CRSR && _uLinePos == 1) {
  78                                 _kln89->Underline(2, 8, 3, 4);
  79                         }
  80                         _kln89->DrawText(_kln89->_baroUnits == GPS_PRES_UNITS_MB ? "mB" : "hP", 2, 12, 3);
  81                 }
  82
  83                 _kln89->DrawText("MSA", 2, 2, 1);
  84                 _kln89->DrawText("ESA", 2, 2, 0);
  85
  86                 // At the moment we have no obstruction database, so dash out MSA & ESA
  87                 _kln89->DrawText("----", 2, 8, 1);
  88                 _kln89->DrawText("----", 2, 8, 0);
  89                 if(_kln89->_altUnits == GPS_ALT_UNITS_FT) {
  90                         _kln89->DrawText("ft", 2, 12, 1);
  91                         _kln89->DrawText("ft", 2, 12, 0);
  92                 } else {
  93                         _kln89->DrawText("m", 2, 12, 1);
  94                         _kln89->DrawText("m", 2, 12, 0);
  95                 }
  96         } else {
  97                 _kln89->DrawText("Vnv Inactive", 2, 0, 3);
  98         }
  99
 100         KLN89Page::Update(dt);
 101 }
 102
 103 void KLN89AltPage::CrsrPressed() {
 104 }
 105
 106 void KLN89AltPage::EntPressed() {
 107 }
 108
 109 void KLN89AltPage::Knob2Left1() {
 110         _kln89->_userBaroSetting--;
 111         if(_kln89->_baroUnits == GPS_PRES_UNITS_IN) {
 112                 if(_kln89->_userBaroSetting < 2200) _kln89->_userBaroSetting = 3299;
 113         } else {
 114                 if(_kln89->_userBaroSetting < 745) _kln89->_userBaroSetting = 1117;
 115         }
 116 }
 117
 118 void KLN89AltPage::Knob2Right1() {
 119         _kln89->_userBaroSetting++;
 120         if(_kln89->_baroUnits == GPS_PRES_UNITS_IN) {
 121                 if(_kln89->_userBaroSetting > 3299) _kln89->_userBaroSetting = 2200;
 122         } else {
 123                 if(_kln89->_userBaroSetting > 1117) _kln89->_userBaroSetting = 745;
 124         }
 125 }
 126
 127 void KLN89AltPage::LooseFocus() {
 128         _uLinePos = 1;
 129 }