throw out "zoomed" tapes. These drew 60% of the scale with bullets rather

[flightgear.git] / src / Instrumentation / KLN89 / kln89_page_nav.cxx

diff --git a/src/Instrumentation/KLN89/kln89_page_nav.cxx b/src/Instrumentation/KLN89/kln89_page_nav.cxx
index 968c3bb4c31344a78e4d010ecbdc716d9cb36cca..9fe6ef05de204dc39c05c881f42afdf738f286a1 100644 (file)
--- a/src/Instrumentation/KLN89/kln89_page_nav.cxx
+++ b/src/Instrumentation/KLN89/kln89_page_nav.cxx
@@ -17,10 +17,14 @@
 //
 // You should have received a copy of the GNU General Public License
 // along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 // $Id$
 
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
 #include "kln89_page_nav.hxx"
 #include <Main/fg_props.hxx>
 
@@ -36,6 +40,7 @@ KLN89NavPage::KLN89NavPage(KLN89* parent)
        _menuActive = false;
        _menuPos = 0;
        _suspendAVS = false;
+       _scanWpSet = false;
 }
 
 KLN89NavPage::~KLN89NavPage() {
@@ -44,11 +49,15 @@ KLN89NavPage::~KLN89NavPage() {
 void KLN89NavPage::Update(double dt) {
        GPSFlightPlan* fp = ((KLN89*)_parent)->_activeFP;
        GPSWaypoint* awp = _parent->GetActiveWaypoint();
+       // Scan-pull out on nav4 page switches off the cursor
+       if(3 == _subPage && fgGetBool("/instrumentation/kln89/scan-pull")) { _kln89->_mode = KLN89_MODE_DISP; }
        bool crsr = (_kln89->_mode == KLN89_MODE_CRSR);
        bool blink = _kln89->_blink;
        double lat = _kln89->_gpsLat * SG_RADIANS_TO_DEGREES;
        double lon = _kln89->_gpsLon * SG_RADIANS_TO_DEGREES;
        
+       if(_subPage != 3) { _scanWpSet = false; }
+       
        if(0 == _subPage) {
                if(_kln89->_navFlagged) {
                        _kln89->DrawText(">    F L A G", 2, 0, 2);
@@ -240,7 +249,9 @@ void KLN89NavPage::Update(double dt) {
                } else {
                        _kln89->DrawText("-:--", 2, 11, 0);
                }
-       } else {
+       } else {        // if(3 == _subPage)
+               // Switch the cursor off if scan-pull is out on this page.
+               if(fgGetBool("/instrumentation/kln89/scan-pull")) { _kln89->_mode = KLN89_MODE_DISP; } 
                // The moving map page the core KLN89 class draws this.
                if(_kln89->_mapOrientation == 2 && _kln89->_groundSpeed_kts < 2) {
                        // Don't draw it if in track up mode and groundspeed < 2kts, as per real-life unit.
@@ -298,6 +309,21 @@ void KLN89NavPage::Update(double dt) {
                        // Just draw the scale
                        _kln89->DrawMapText(scle_str, 1, 0, true);
                }
+               // If the scan-pull knob is out, draw one of the waypoints (if applicable).
+               if(fgGetBool("/instrumentation/kln89/scan-pull")) {
+                       if(_kln89->_activeFP->waypoints.size()) {
+                               //cout << "Need to draw a waypoint!\n";
+                               _kln89->DrawLine(70, 0, 111, 0);
+                               if(!_kln89->_blink) {
+                                       //_kln89->DrawMapQuad(45, 0, 97, 8, true);
+                                       if(!_scanWpSet) {
+                                               _scanWpIndex = _kln89->GetActiveWaypointIndex();
+                                               _scanWpSet = true;
+                                       }
+                                       _kln89->DrawMapText(_kln89->_activeFP->waypoints[_scanWpIndex]->id, 71, 0, true);
+                               }               
+                       }
+               }
                // And do part of the field 1 update, since NAV 4 is a special case for the last line.
                _kln89->DrawChar('>', 1, 0, 0);
                if(crsr && _uLinePos == 1) _kln89->Underline(1, 1, 0, 5);
@@ -357,8 +383,25 @@ void KLN89NavPage::Update(double dt) {
        KLN89Page::Update(dt);
 }
 
+// Returns the id string of the selected waypoint on NAV4 if valid, else returns an empty string.
+string KLN89NavPage::GetNav4WpId() {
+       if(3 == _subPage) {
+               if(fgGetBool("/instrumentation/kln89/scan-pull")) {
+                       if(_kln89->_activeFP->waypoints.size()) {
+                               if(!_scanWpSet) {
+                                       return(_kln89->_activeWaypoint.id);
+                               } else {
+                                       return(_kln89->_activeFP->waypoints[_scanWpIndex]->id);
+                               }               
+                       }
+               }
+       }
+       return("");
+}
+
 void KLN89NavPage::LooseFocus() {
        _suspendAVS = false;
+       _scanWpSet = false;
 }
 
 void KLN89NavPage::CrsrPressed() {
@@ -440,6 +483,23 @@ void KLN89NavPage::Knob1Right1() {
 }
 
 void KLN89NavPage::Knob2Left1() {
+       // If the inner-knob is out on the nav4 page, the only effect is to cycle the displayed waypoint.
+       if(3 == _subPage && fgGetBool("/instrumentation/kln89/scan-pull")) {
+               if(_kln89->_activeFP->waypoints.size()) {       // TODO - find out what happens when scan-pull is on on nav4 without an active FP.
+                       // It's unlikely that we could get here without _scanWpSet, but theoretically possible, so we need to cover it.
+                       if(!_scanWpSet) {
+                               _scanWpIndex = _kln89->GetActiveWaypointIndex();
+                               _scanWpSet = true;
+                       } else {
+                               if(0 == _scanWpIndex) {
+                                       _scanWpIndex = _kln89->_activeFP->waypoints.size() - 1;
+                               } else {
+                                       _scanWpIndex--;
+                               }
+                       }
+               }
+               return;
+       }
        if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
                KLN89Page::Knob2Left1();
                return;
@@ -477,6 +537,22 @@ void KLN89NavPage::Knob2Left1() {
 }
 
 void KLN89NavPage::Knob2Right1() {
+       // If the inner-knob is out on the nav4 page, the only effect is to cycle the displayed waypoint.
+       if(3 == _subPage && fgGetBool("/instrumentation/kln89/scan-pull")) {
+               if(_kln89->_activeFP->waypoints.size()) {       // TODO - find out what happens when scan-pull is on on nav4 without an active FP.
+                       // It's unlikely that we could get here without _scanWpSet, but theoretically possible, so we need to cover it.
+                       if(!_scanWpSet) {
+                               _scanWpIndex = _kln89->GetActiveWaypointIndex();
+                               _scanWpSet = true;
+                       } else {
+                               _scanWpIndex++;
+                               if(_scanWpIndex > _kln89->_activeFP->waypoints.size() - 1) {
+                                       _scanWpIndex = 0;
+                               }
+                       }
+               }
+               return;
+       }
        if(_kln89->_mode != KLN89_MODE_CRSR || _uLinePos == 0) {
                KLN89Page::Knob2Right1();
                return;