src/Instrumentation/KLN89/kln89_page.cxx

   1 // kln89_page.cxx - base class for 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 #include "kln89_page.hxx"
  25 #include <Main/fg_props.hxx>
  26
  27 KLN89Page::KLN89Page(KLN89* parent)
  28 : GPSPage(parent) {
  29         _kln89 = (KLN89*)parent;
  30         _entInvert = false;
  31         _to_flag = true;
  32 }
  33
  34 KLN89Page::~KLN89Page() {
  35 }
  36
  37 void KLN89Page::Update(double dt) {
  38         bool crsr = (_kln89->_mode == KLN89_MODE_CRSR ? true : false);
  39         bool nav1 = (_name == "NAV" && _subPage == 0);
  40         bool nav4 = (_name == "NAV" && _subPage == 3);
  41         // The extra level of check for the ACT page is necessary since
  42         // ACT is implemented by using the other waypoint pages as
  43         // appropriate.
  44         bool act = (_kln89->_activePage->GetName() == "ACT");
  45         _kln89->DrawDivider();
  46         if(crsr) {
  47                 if(!nav4) _kln89->DrawText("*CRSR*", 1, 0, 0);
  48                 if(_uLinePos == 0) _kln89->Underline(1, 3, 1, 3);
  49         } else {
  50                 if(!nav4) {
  51                         if(act) {
  52                                 _kln89->DrawText("ACT", 1, 0, 0);
  53                         } else {
  54                                 _kln89->DrawText(_name, 1, 0, 0);
  55                         }
  56                         if(_name == "DIR") {
  57                                 // Don't draw a subpage number
  58                         } else if(_name == "USR" || _name == "FPL") {
  59                                 // Zero-based
  60                                 _kln89->DrawText(GPSitoa(_subPage), 1, 4, 0);
  61                         } else {
  62                                 // One-based
  63                                 _kln89->DrawText(GPSitoa(_subPage+1), 1, 4, 0);
  64                         }
  65                 }
  66         }
  67         if(crsr && _uLinePos == 0 && _kln89->_blink) {
  68                 // Don't draw
  69         } else {
  70                 if(_kln89->_obsMode) {
  71                         _kln89->DrawText(GPSitoa(_kln89->_obsHeading), 1, 3, 1);
  72                 } else {
  73                         _kln89->DrawText("Leg", 1, 3, 1);
  74                 }
  75         }
  76         _kln89->DrawText((_kln89->GetDistVelUnitsSI() ? "km" : "nm"), 1, 4, 3);
  77         GPSWaypoint* awp = _parent->GetActiveWaypoint();
  78         if(_kln89->_navFlagged) {
  79                 _kln89->DrawText("--.-", 1, 0 ,3);
  80                 // Only nav1 still gets speed drawn if nav is flagged - not ACT
  81                 if(!nav1) _kln89->DrawText("------", 1, 0, 2);
  82         } else {
  83                 char buf[8];
  84                 float f = _parent->GetDistToActiveWaypoint() * (_kln89->GetDistVelUnitsSI() ? 0.001 : SG_METER_TO_NM);
  85                 snprintf(buf, 5, (f >= 100.0 ? "%4.0f" : "%4.1f"), f);
  86                 string s = buf;
  87                 _kln89->DrawText(s, 1, 4 - s.size(), 3, true);
  88                 // Draw active waypoint ID, except for
  89                 // nav1, act, and any waypoint pages matching
  90                 // active waypoint that need speed drawn instead.
  91                 if(act || nav1 || (awp && awp->id == _id)) {
  92                         _kln89->DrawSpeed(_kln89->_groundSpeed_kts, 1, 5, 2);
  93                 } else {
  94                         if(!(_kln89->_waypointAlert && _kln89->_blink)) _kln89->DrawText(awp->id, 1, 0, 2);
  95                 }
  96         }
  97         /*
  98         if(_noNrst) {
  99                 _kln89->DrawText("  No  ", 1, 0, 1, false, 99);
 100                 _kln89->DrawText(" Nrst ", 1, 0, 0, false, 99);
 101         }
 102         */
 103         if(_scratchpadMsg) {
 104                 _kln89->DrawText(_scratchpadLine1, 1, 0, 1, false, 99);
 105                 _kln89->DrawText(_scratchpadLine2, 1, 0, 0, false, 99);
 106                 _scratchpadTimer += dt;
 107                 if(_scratchpadTimer > 4.0) {
 108                         _scratchpadMsg = false;
 109                         _scratchpadTimer = 0.0;
 110                 }
 111         }
 112 }
 113
 114 void KLN89Page::ShowScratchpadMessage(const string& line1, const string& line2) {
 115         _scratchpadLine1 = line1;
 116         _scratchpadLine2 = line2;
 117         _scratchpadTimer = 0.0;
 118         _scratchpadMsg = true;
 119 }
 120
 121 void KLN89Page::Knob1Left1() {
 122         if(_kln89->_mode == KLN89_MODE_CRSR) {
 123                 if(_uLinePos > 0) _uLinePos--;
 124         }
 125 }
 126
 127 void KLN89Page::Knob1Right1() {
 128         if(_kln89->_mode == KLN89_MODE_CRSR) {
 129                 if(_uLinePos < _maxULinePos) _uLinePos++;
 130         }
 131 }
 132
 133 void KLN89Page::Knob2Left1() {
 134         if(_kln89->_mode != KLN89_MODE_CRSR && !fgGetBool("/instrumentation/kln89/scan-pull")) {
 135                 GPSPage::Knob2Left1();
 136         } else {
 137                 if(_uLinePos == 0 && _kln89->_obsMode) {
 138                         _kln89->_obsHeading--;
 139                         if(_kln89->_obsHeading < 0) {
 140                                 _kln89->_obsHeading += 360;
 141                         }
 142                         _kln89->SetOBSFromWaypoint();
 143                 }
 144         }
 145 }
 146
 147 void KLN89Page::Knob2Right1() {
 148         if(_kln89->_mode != KLN89_MODE_CRSR && !fgGetBool("/instrumentation/kln89/scan-pull")) {
 149                 GPSPage::Knob2Right1();
 150         } else {
 151                 if(_uLinePos == 0 && _kln89->_obsMode) {
 152                         _kln89->_obsHeading++;
 153                         if(_kln89->_obsHeading > 359) {
 154                                 _kln89->_obsHeading -= 360;
 155                         }
 156                         _kln89->SetOBSFromWaypoint();
 157                 }
 158         }
 159 }
 160
 161 void KLN89Page::CrsrPressed() {
 162         // Stick some sensible defaults in
 163         if(_kln89->_obsMode) {
 164                 _uLinePos = 0;
 165         } else {
 166                 _uLinePos = 1;
 167         }
 168         _maxULinePos = 1;
 169 }
 170
 171 void KLN89Page::EntPressed() {}
 172 void KLN89Page::ClrPressed() {}
 173 void KLN89Page::DtoPressed() {}
 174 void KLN89Page::NrstPressed() {}
 175 void KLN89Page::AltPressed() {}
 176
 177 void KLN89Page::OBSPressed() {
 178         if(_kln89->_obsMode) {
 179                 // If ORS2 and not slaved to gps
 180                 _uLinePos = 0;
 181         } else {
 182                 // Don't leave the cursor on in the leg position.
 183                 if(_uLinePos == 0) {
 184                         _kln89->_mode = KLN89_MODE_DISP;
 185                 }
 186         }
 187 }
 188
 189 void KLN89Page::MsgPressed() {}
 190
 191 void KLN89Page::CleanUp() {
 192         _kln89->_cleanUpPage = -1;
 193 }
 194
 195 void KLN89Page::LooseFocus() {
 196         _entInvert = false;
 197 }
 198
 199 void KLN89Page::SetId(const string& s) {
 200         _id = s;
 201 }
 202
 203 const string& KLN89Page::GetId() {
 204         return(_id);
 205 }