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// kln89_page_*.[ch]xx - this file is one of the "pages" that
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// are used in the KLN89 GPS unit simulation.
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// Written by David Luff, started 2005.
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// Copyright (C) 2005 - David C Luff - david.luff@nottingham.ac.uk
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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// $Id: kln89_page_nav.cxx,v 1.6 2006-02-21 01:19:03 mfranz Exp $
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#include "kln89_page_nav.hxx"
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#include <Main/fg_props.hxx>
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KLN89NavPage::KLN89NavPage(KLN89* parent)
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_posFormat = 0; // Check - should this default to ref from waypoint?
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KLN89NavPage::~KLN89NavPage() {
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void KLN89NavPage::Update(double dt) {
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GPSFlightPlan* fp = ((KLN89*)_parent)->_activeFP;
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GPSWaypoint* awp = _parent->GetActiveWaypoint();
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// Scan-pull out on nav4 page switches off the cursor
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if(3 == _subPage && fgGetBool("/instrumentation/kln89/scan-pull")) { _kln89->_mode = KLN89_MODE_DISP; }
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bool crsr = (_kln89->_mode == KLN89_MODE_CRSR);
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bool blink = _kln89->_blink;
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double lat = _kln89->_gpsLat * SG_RADIANS_TO_DEGREES;
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double lon = _kln89->_gpsLon * SG_RADIANS_TO_DEGREES;
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if(_subPage != 3) { _scanWpSet = false; }
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if(_kln89->_navFlagged) {
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_kln89->DrawText("> F L A G", 2, 0, 2);
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_kln89->DrawText("DTK --- TK ---", 2, 0, 1);
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_kln89->DrawText(">--- To --:--", 2, 0, 0);
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_kln89->DrawSpecialChar(0, 2, 7, 1);
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_kln89->DrawSpecialChar(0, 2, 15, 1);
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_kln89->DrawSpecialChar(0, 2, 4, 0);
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_kln89->DrawSpecialChar(1, 2, 3, 2);
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_kln89->DrawSpecialChar(1, 2, 4, 2);
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_kln89->DrawSpecialChar(1, 2, 6, 2);
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_kln89->DrawSpecialChar(1, 2, 10, 2);
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_kln89->DrawSpecialChar(1, 2, 12, 2);
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_kln89->DrawSpecialChar(1, 2, 13, 2);
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_kln89->DrawDTO(2, 7, 3);
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if(!(_kln89->_waypointAlert && _kln89->_blink)) {
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_kln89->DrawSpecialChar(3, 2, 8, 3);
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_kln89->DrawText(awp->id, 2, 10, 3);
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if(!_kln89->_dto && !_kln89->_obsMode && !_kln89->_fromWaypoint.id.empty()) {
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_kln89->DrawText(_kln89->_fromWaypoint.id, 2, 1, 3);
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if(!(crsr && blink && _uLinePos == 1)) {
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} else if(_cdiFormat == 1) {
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_kln89->DrawText("Fly", 2, 2, 2);
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double x = _kln89->CalcCrossTrackDeviation();
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// TODO - check the R/L from sign of x below - I *think* it holds but not sure!
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// Note also that we're setting Fly R or L based on the aircraft
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// position only, not the heading. Not sure if this is correct or not.
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_kln89->DrawText(x < 0.0 ? "R" : "L", 2, 6, 2);
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x = fabs(x * (_kln89->_distUnits == GPS_DIST_UNITS_NM ? 1.0 : SG_NM_TO_METER * 0.001));
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n = snprintf(buf, 6, "%0.2f", x);
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} else if(x < 100.0) {
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n = snprintf(buf, 6, "%0.1f", x);
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n = snprintf(buf, 6, "%i", (int)(x+0.5));
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_kln89->DrawText((string)buf, 2, 13-n, 2);
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_kln89->DrawText(_kln89->_distUnits == GPS_DIST_UNITS_NM ? "nm" : "km", 2, 13, 2);
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_kln89->DrawText("CDI Scale:", 2, 1, 2);
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double d = _kln89->_cdiScales[_kln89->_currentCdiScaleIndex] * (_kln89->_distUnits == GPS_DIST_UNITS_NM ? 1.0 : SG_NM_TO_METER * 0.001);
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snprintf(buf, 4, "%2.1f", d);
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snprintf(buf, 5, "%2.2f", d);
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// trim the leading zero
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s = s.substr(1, s.size() - 1);
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_kln89->DrawText(s, 2, 11, 2);
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_kln89->DrawText(_kln89->_distUnits == GPS_DIST_UNITS_NM ? "nm" : "km", 2, 14, 2);
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_kln89->DrawChar('>', 2, 0, 2);
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_kln89->DrawChar('>', 2, 0, 0);
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if(_uLinePos == 1) _kln89->Underline(2, 1, 2, 15);
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else if(_uLinePos == 2) _kln89->Underline(2, 1, 0, 9);
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// Desired and actual magnetic track
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if(!_kln89->_obsMode) {
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_kln89->DrawText("DTK", 2, 0, 1);
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_kln89->DrawHeading((int)_kln89->_dtkMag, 2, 7, 1);
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_kln89->DrawText("TK", 2, 9, 1);
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if(_kln89->_groundSpeed_ms > 3) { // about 6 knots, don't know exactly what value to disable track
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// The trouble with relying on FG gps's track value is we don't know when it's valid.
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_kln89->DrawHeading((int)_kln89->_magTrackDeg, 2, 15, 1);
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_kln89->DrawText("---", 2, 12, 1);
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_kln89->DrawSpecialChar(0, 2, 15, 1);
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// Radial to/from active waypoint.
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// TODO - Not sure if this either is or should be true or mag!!!!!!!
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if(!(crsr && blink && _uLinePos == 2)) {
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_kln89->DrawHeading((int)_kln89->GetHeadingToActiveWaypoint(), 2, 4, 0);
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_kln89->DrawText("To", 2, 5, 0);
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} else if(1 == _vnv) {
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_kln89->DrawHeading((int)_kln89->GetHeadingFromActiveWaypoint(), 2, 4, 0);
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_kln89->DrawText("Fr", 2, 5, 0);
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_kln89->DrawText("Vnv Off", 2, 1, 0);
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// It seems that the floating point groundspeed must be at least 30kt
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// for an ETA to be calculated. Note that this means that (integer) 30kt
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// can appear in the frame 1 display both with and without an ETA displayed.
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// TODO - need to switch off track (and heading bug change) based on instantaneous speed as well
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// since the long gps lag filter means we can still be displaying when stopped on ground.
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if(_kln89->_groundSpeed_kts > 30.0) {
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// Assuming eta display is always hh:mm
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// Does it ever switch to seconds when close?
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if(_kln89->_eta / 3600.0 > 100.0) {
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// More that 100 hours ! - Doesn't fit.
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_kln89->DrawText("--:--", 2, 11, 0);
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_kln89->DrawTime(_kln89->_eta, 2, 15, 0);
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_kln89->DrawText("--:--", 2, 11, 0);
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} else if(1 == _subPage) {
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_kln89->DrawChar('>', 2, 1, 3);
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if(!(crsr && blink && _uLinePos == 1)) _kln89->DrawText("PRESENT POSN", 2, 2, 3);
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if(crsr && _uLinePos == 1) _kln89->Underline(2, 2, 3, 12);
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if(0 == _posFormat) {
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_kln89->DrawLatitude(lat, 2, 3, 1);
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_kln89->DrawLongitude(lon, 2, 3, 0);
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// Ref from wp - defaults to nearest vor (and resets to default when page left and re-entered).
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} else if(2 == _subPage) {
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_kln89->DrawText("Time", 2, 0, 3);
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// TODO - hardwired to UTC at the moment
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_kln89->DrawText("UTC", 2, 6, 3);
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string th = fgGetString("/instrumentation/clock/indicated-hour");
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string tm = fgGetString("/instrumentation/clock/indicated-min");
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if(th.size() == 1) th = "0" + th;
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if(tm.size() == 1) tm = "0" + tm;
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_kln89->DrawText(th + tm, 2, 11, 3);
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_kln89->DrawText("Depart", 2, 0, 2);
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_kln89->DrawText(_kln89->_departureTimeString, 2, 11, 2);
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_kln89->DrawText("ETA", 2, 0, 1);
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if(_kln89->_departed) {
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/* Rules of ETA waypoint are:
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If the active waypoint is part of the active flightplan, then display
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the ETA to the final (destination) waypoint of the active flightplan.
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If the active waypoint is not part of the active flightplan, then
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display the ETA to the active waypoint. */
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// TODO - implement the above properly - we haven't below!
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if(fp->waypoints.size()) {
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wid = fp->waypoints[fp->waypoints.size() - 1]->id;
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_kln89->DrawText(wid, 2, 4, 1);
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double tsec = _kln89->GetTimeToWaypoint(wid);
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_kln89->DrawText("----", 2, 11, 1);
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int etah = (int)tsec / 3600;
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int etam = ((int)tsec - etah * 3600) / 60;
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etah += atoi(fgGetString("/instrumentation/clock/indicated-hour"));
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etam += atoi(fgGetString("/instrumentation/clock/indicated-min"));
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int n = snprintf(buf, 6, "%02i%02i", etah, etam);
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_kln89->DrawText((string)buf, 2, 15-n, 1);
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_kln89->DrawText("----", 2, 11, 1);
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_kln89->DrawText("----", 2, 11, 1);
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_kln89->DrawText("Flight", 2, 0, 0);
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if(_kln89->_departed) {
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int eh = (int)_kln89->_elapsedTime / 3600;
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int em = ((int)_kln89->_elapsedTime - eh * 3600) / 60;
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int n = snprintf(buf, 6, "%i:%02i", eh, em);
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_kln89->DrawText((string)buf, 2, 15-n, 0);
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_kln89->DrawText("-:--", 2, 11, 0);
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} else { // if(3 == _subPage)
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// Switch the cursor off if scan-pull is out on this page.
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if(fgGetBool("/instrumentation/kln89/scan-pull")) { _kln89->_mode = KLN89_MODE_DISP; }
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// The moving map page the core KLN89 class draws this.
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if(_kln89->_mapOrientation == 2 && _kln89->_groundSpeed_kts < 2) {
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// Don't draw it if in track up mode and groundspeed < 2kts, as per real-life unit.
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_kln89->DrawMap(!_suspendAVS);
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// Now draw any annotation over it.
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int scale = KLN89MapScales[_kln89->_mapScaleUnits][_kln89->_mapScaleIndex];
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string scle_str = GPSitoa(scale);
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// Draw a background quad to encompass on/off for the first three at 'off' length
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_kln89->DrawMapQuad(28, 9, 48, 36, true);
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_kln89->DrawMapText("SUA:", 1, 27, true);
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if(!(_menuPos == 0 && _kln89->_blink)) _kln89->DrawMapText((_kln89->_drawSUA ? "on" : "off"), 29, 27, true);
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if(_menuPos == 0) _kln89->DrawLine(28, 27, 48, 27);
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_kln89->DrawMapText("VOR:", 1, 18, true);
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if(!(_menuPos == 1 && _kln89->_blink)) _kln89->DrawMapText((_kln89->_drawVOR ? "on" : "off"), 29, 18, true);
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if(_menuPos == 1) _kln89->DrawLine(28, 18, 48, 18);
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_kln89->DrawMapText("APT:", 1, 9, true);
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if(!(_menuPos == 2 && _kln89->_blink)) _kln89->DrawMapText((_kln89->_drawApt ? "on" : "off"), 29, 9, true);
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if(_menuPos == 2) _kln89->DrawLine(28, 9, 48, 9);
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_kln89->DrawMapQuad(0, 0, 27, 8, true);
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if(!(_menuPos == 3 && _kln89->_blink)) {
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if(_kln89->_mapOrientation == 0) {
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_kln89->DrawMapText("N", 1, 0, true);
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_kln89->DrawMapUpArrow(7, 1);
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} else if(_kln89->_mapOrientation == 1) {
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_kln89->DrawMapText("DTK", 1, 0, true);
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_kln89->DrawMapUpArrow(21, 1);
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// Don't bother with heading up for now!
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_kln89->DrawMapText("TK", 1, 0, true);
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_kln89->DrawMapUpArrow(14, 1);
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if(_menuPos == 3) _kln89->DrawLine(0, 0, 27, 0);
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if(!_kln89->_blink) {
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_kln89->DrawMapText("Menu?", 1, 9, true);
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_kln89->DrawLine(0, 9, 34, 9);
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_kln89->DrawMapQuad(0, 9, 34, 17, true);
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_kln89->DrawMapText("Menu?", 1, 9, true);
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// right-justify the scale when _uLinePos == 3
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if(!(_uLinePos == 3 && _kln89->_blink)) _kln89->DrawMapText(scle_str, (_uLinePos == 3 ? 29 - (scle_str.size() * 7) : 1), 0, true);
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if(_uLinePos == 3) _kln89->DrawLine(0, 0, 27, 0);
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// Just draw the scale
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_kln89->DrawMapText(scle_str, 1, 0, true);
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// If the scan-pull knob is out, draw one of the waypoints (if applicable).
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if(fgGetBool("/instrumentation/kln89/scan-pull")) {
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if(_kln89->_activeFP->waypoints.size()) {
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//cout << "Need to draw a waypoint!\n";
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_kln89->DrawLine(70, 0, 111, 0);
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if(!_kln89->_blink) {
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//_kln89->DrawMapQuad(45, 0, 97, 8, true);
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_scanWpIndex = _kln89->GetActiveWaypointIndex();
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_kln89->DrawMapText(_kln89->_activeFP->waypoints[_scanWpIndex]->id, 71, 0, true);
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// And do part of the field 1 update, since NAV 4 is a special case for the last line.
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_kln89->DrawChar('>', 1, 0, 0);
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if(crsr && _uLinePos == 1) _kln89->Underline(1, 1, 0, 5);
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if(!(crsr && _uLinePos == 1 && _kln89->_blink)) {
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if(_kln89->_obsMode && _nav4DataSnippet == 0) _nav4DataSnippet = 1;
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switch(_nav4DataSnippet) {
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_kln89->DrawLabel("DTK", -39, 6);
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// TODO - check we have an active FP / dtk and draw dashes if not.
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snprintf(buf0, 4, "%03i", (int)(_kln89->_dtkMag));
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_kln89->DrawText((string)buf0, 1, 3, 0);
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_kln89->DrawSpeed(_kln89->_groundSpeed_kts, 1, 5, 0);
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tsec = _kln89->GetETE();
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_kln89->DrawText("--:--", 1, 1, 0);
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int eteh = (int)tsec / 3600;
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int etem = ((int)tsec - eteh * 3600) / 60;
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int n = snprintf(buf, 6, "%02i:%02i", eteh, etem);
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_kln89->DrawText((string)buf, 1, 6-n, 0);
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// Cross-track correction
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double x = _kln89->CalcCrossTrackDeviation();
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_kln89->DrawSpecialChar(3, 1, 5, 0);
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_kln89->DrawSpecialChar(7, 1, 5, 0);
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x = fabs(x * (_kln89->_distUnits == GPS_DIST_UNITS_NM ? 1.0 : SG_NM_TO_METER * 0.001));
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n = snprintf(buf3, 6, "%0.2f", x);
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} else if(x < 100.0) {
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n = snprintf(buf3, 6, "%0.1f", x);
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n = snprintf(buf3, 6, "%i", (int)(x+0.5));
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_kln89->DrawText((string)buf3, 1, 5-n, 0);
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KLN89Page::Update(dt);
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// Returns the id string of the selected waypoint on NAV4 if valid, else returns an empty string.
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string KLN89NavPage::GetNav4WpId() {
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if(fgGetBool("/instrumentation/kln89/scan-pull")) {
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if(_kln89->_activeFP->waypoints.size()) {
392
return(_kln89->_activeWaypoint.id);
394
return(_kln89->_activeFP->waypoints[_scanWpIndex]->id);
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void KLN89NavPage::LooseFocus() {
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void KLN89NavPage::CrsrPressed() {
408
if(_kln89->_mode == KLN89_MODE_DISP) {
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// Crsr just switched off
412
// Crsr just switched on
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void KLN89NavPage::EntPressed() {
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if(_kln89->_mode == KLN89_MODE_CRSR) {
423
if(_subPage == 3 && _uLinePos == 2 && !_menuActive) {
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void KLN89NavPage::ClrPressed() {
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if(_kln89->_mode == KLN89_MODE_CRSR) {
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if(_cdiFormat > 2) _cdiFormat = 0;
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} else if(_uLinePos == 2) {
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if(_vnv > 2) _vnv = 0;
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_suspendAVS = !_suspendAVS;
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} else if(_uLinePos == 1) {
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if(_nav4DataSnippet > 3) _nav4DataSnippet = 0;
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_suspendAVS = !_suspendAVS;
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void KLN89NavPage::Knob1Left1() {
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if(_kln89->_mode == KLN89_MODE_CRSR) {
460
if(!(_subPage == 3 && _menuActive)) {
461
if(_uLinePos > 0) _uLinePos--;
463
if(_menuPos > 0) _menuPos--;
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void KLN89NavPage::Knob1Right1() {
469
if(_kln89->_mode == KLN89_MODE_CRSR) {
471
if(_uLinePos < 2) _uLinePos++;
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} else if(_subPage == 2) {
475
// NAV 4 - this is complicated by whether the menu is displayed or not.
477
if(_menuPos < 3) _menuPos++;
479
if(_uLinePos < 3) _uLinePos++;
485
void KLN89NavPage::Knob2Left1() {
486
// If the inner-knob is out on the nav4 page, the only effect is to cycle the displayed waypoint.
487
if(3 == _subPage && fgGetBool("/instrumentation/kln89/scan-pull")) {
488
if(_kln89->_activeFP->waypoints.size()) { // TODO - find out what happens when scan-pull is on on nav4 without an active FP.
489
// It's unlikely that we could get here without _scanWpSet, but theoretically possible, so we need to cover it.
491
_scanWpIndex = _kln89->GetActiveWaypointIndex();
494
if(0 == _scanWpIndex) {
495
_scanWpIndex = _kln89->_activeFP->waypoints.size() - 1;
503
if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
504
KLN89Page::Knob2Left1();
508
if(_uLinePos == 1 && _cdiFormat == 2) {
509
_kln89->CDIFSDIncrease();
511
} else if(_subPage == 3) {
514
_kln89->_drawSUA = !_kln89->_drawSUA;
515
} else if(_menuPos == 1) {
516
_kln89->_drawVOR = !_kln89->_drawVOR;
517
} else if(_menuPos == 2) {
518
_kln89->_drawApt = !_kln89->_drawApt;
520
if(_kln89->_mapOrientation == 0) {
521
// Don't allow heading up for now
522
_kln89->_mapOrientation = 2;
524
_kln89->_mapOrientation--;
526
_kln89->UpdateMapHeading();
528
} else if(_uLinePos == 3) {
530
if(_kln89->_mapScaleIndex == 0) {
531
_kln89->_mapScaleIndex = 20;
533
_kln89->_mapScaleIndex--;
539
void KLN89NavPage::Knob2Right1() {
540
// If the inner-knob is out on the nav4 page, the only effect is to cycle the displayed waypoint.
541
if(3 == _subPage && fgGetBool("/instrumentation/kln89/scan-pull")) {
542
if(_kln89->_activeFP->waypoints.size()) { // TODO - find out what happens when scan-pull is on on nav4 without an active FP.
543
// It's unlikely that we could get here without _scanWpSet, but theoretically possible, so we need to cover it.
545
_scanWpIndex = _kln89->GetActiveWaypointIndex();
549
if(_scanWpIndex > _kln89->_activeFP->waypoints.size() - 1) {
556
if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
557
KLN89Page::Knob2Right1();
561
if(_uLinePos == 1 && _cdiFormat == 2) {
562
_kln89->CDIFSDDecrease();
564
} else if(_subPage == 3) {
567
_kln89->_drawSUA = !_kln89->_drawSUA;
568
} else if(_menuPos == 1) {
569
_kln89->_drawVOR = !_kln89->_drawVOR;
570
} else if(_menuPos == 2) {
571
_kln89->_drawApt = !_kln89->_drawApt;
573
if(_kln89->_mapOrientation >= 2) {
574
// Don't allow heading up for now
575
_kln89->_mapOrientation = 0;
577
_kln89->_mapOrientation++;
579
_kln89->UpdateMapHeading();
581
} else if(_uLinePos == 3) {
583
if(_kln89->_mapScaleIndex == 20) {
584
_kln89->_mapScaleIndex = 0;
586
_kln89->_mapScaleIndex++;
added
removed
src/Instrumentation/KLN89/kln89_page_nav.cxx
