From 658b1fe6ced8f08802ee5fca3b38dfc4d789b66f Mon Sep 17 00:00:00 2001
From: Stuart Buchanan <stuart_d_buchanan@yahoo.co.uk>
Date: Wed, 1 May 2013 22:41:15 +0100
Subject: [PATCH] Add support for <binding> tags on checklist items.

These are then attached to buttons on the checklist dialog allowing
the user to ask the computer to execute the checklist step, which
they can observe.
---
 Aircraft/c172p/c172-checklists.xml | 152 ++++++++++++++++++++++++++++-
 gui/dialogs/checklist.xml          |  21 ++++
 2 files changed, 171 insertions(+), 2 deletions(-)

diff --git a/Aircraft/c172p/c172-checklists.xml b/Aircraft/c172p/c172-checklists.xml
index 9f59b2bfa..d4a2ec9d8 100644
--- a/Aircraft/c172p/c172-checklists.xml
+++ b/Aircraft/c172p/c172-checklists.xml
@@ -25,9 +25,14 @@
       <condition>
         <equals>
           <property>/controls/gear/brake-parking</property>
-          <value>1</value>
+					<value>1</value>
         </equals>
       </condition>
+      <binding>
+        <command>property-assign</command>
+        <property>/controls/gear/brake-parking</property>
+				<value>1</value>
+			</binding>
     </item>
     <item>
       <name>Avionics Power Switch</name>
@@ -62,6 +67,16 @@
           </equals>
         </and>
       </condition>      
+      <binding>
+        <command>property-assign</command>
+        <property>/consumables/fuel/tank/selected</property>
+				<value>1</value>
+			</binding>
+      <binding>
+        <command>property-assign</command>
+        <property>/consumables/fuel/tank[1]/selected</property>
+				<value>1</value>
+			</binding>      
     </item>
   </checklist>
   
@@ -87,6 +102,11 @@
           <value>0</value>
         </equals>
       </condition>
+      <binding>
+        <command>property-assign</command>
+        <property>/controls/anti-ice/engine[0]/carb-heat</property>
+				<value>0</value>
+			</binding>
     </item>
     <item>
       <name>Throttle</name>
@@ -109,6 +129,12 @@
           </less-than>
         </and>
       </condition>
+      <binding>
+        <command>property-interpolate</command>
+        <property>/controls/engines/engine[0]/throttle</property>
+				<value>0.25</value>
+				<rate>0.2</rate>
+			</binding>
     </item>    
     <item>
       <name>Mixture</name>
@@ -125,6 +151,12 @@
           <value>0.9</value>
         </greater-than>
       </condition>
+      <binding>
+        <command>property-interpolate</command>
+        <property>/controls/engines/engine[0]/mixture</property>
+				<value>1.0</value>
+				<rate>0.5</rate>
+			</binding>
     </item>
     <item>
       <name>Propellor Area</name>
@@ -150,6 +182,11 @@
           <value>3</value>
         </equals>
       </condition>
+      <binding>
+        <command>property-assign</command>
+        <property>/controls/engines/engine[0]/magnetos</property>
+				<value>3</value>
+			</binding>
     </item>
     <item>
       <name>Ignition Switch</name>
@@ -185,6 +222,16 @@
           </equals>
         </and>
       </condition>
+      <binding>
+        <command>property-assign</command>
+        <property>/controls/lighting/nav-lights</property>
+				<value>1</value>
+			</binding>
+      <binding>
+        <command>property-assign</command>
+        <property>/controls/lighting/beacon</property>
+				<value>1</value>
+			</binding>		
     </item>
     <item>
       <name>Radios</name>
@@ -207,6 +254,18 @@
           </greater-than>
         </and>
       </condition>
+      <binding>
+        <command>property-interpolate</command>
+        <property>/instrumentation/comm[0]/volume</property>
+				<value>1.0</value>
+				<rate>0.5</rate>
+			</binding>
+      <binding>
+        <command>property-interpolate</command>
+        <property>/instrumentation/comm[1]/volume</property>
+				<value>1.0</value>
+				<rate>0.5</rate>
+			</binding>
     </item>
   </checklist>
   
@@ -228,6 +287,11 @@
 						<value>1</value>
 					</equals>
 				</condition>
+				<binding>
+					<command>property-assign</command>
+					<property>/controls/gear/brake-parking</property>
+					<value>1</value>
+				</binding>		
 			</item>
 			<item>
 				<name>Seats, Seat Belts, Shoulder Harnesses</name>
@@ -264,6 +328,12 @@
 						<value>0.9</value>
 					</greater-than>
 				</condition>
+				<binding>
+					<command>property-interpolate</command>
+					<property>/controls/engines/engine[0]/mixture</property>
+					<value>1.0</value>
+					<rate>0.5</rate>
+				</binding>
 			</item>
 			<item>
 				<name>Fuel Selector Valve</name>
@@ -286,6 +356,16 @@
 						</equals>
 					</and>
 				</condition>      
+				<binding>
+					<command>property-assign</command>
+					<property>/consumables/fuel/tank/selected</property>
+					<value>1</value>
+				</binding>
+				<binding>
+					<command>property-assign</command>
+					<property>/consumables/fuel/tank[1]/selected</property>
+					<value>1</value>
+				</binding>      
 			</item>
 			<item>
 				<name>Elevator Trim</name>
@@ -308,6 +388,12 @@
 						</less-than>
 					</and>
 				</condition>
+				<binding>
+					<command>property-interpolate</command>
+					<property>/controls/flight/elevator-trim</property>
+					<value>-0.1</value>
+					<rate>0.1</rate>
+				</binding>
 			</item>
 			<item>
 				<name>Throttle</name>
@@ -326,10 +412,16 @@
 						</greater-than>
 						<less-than>
 							<property>/engines/engine/rpm</property>
-							<value>1700</value>
+							<value>1800</value>
 						</less-than>
 					</and>
 				</condition>
+				<binding>
+					<command>property-interpolate</command>
+					<property>/controls/engines/engine[0]/throttle</property>
+					<value>0.69</value>
+					<time>1.0</time>
+				</binding>
 			</item>
 			<item>
 				<name>Magnetos</name>
@@ -383,6 +475,18 @@
 					<z-m>-0.1367</z-m>
 					<scale>3.9167</scale>
 				</marker>
+				<condition>
+					<less-than>
+						<property>/engines/engine/rpm</property>
+						<value>1050</value>
+					</less-than>
+				</condition>
+				<binding>
+					<command>property-interpolate</command>
+					<property>/controls/engines/engine[0]/throttle</property>
+					<value>0.1</value>
+					<time>1.0</time>
+				</binding>
 			</item>
 			<item>
 				<name>Throttle Friction Lock</name>
@@ -464,6 +568,11 @@
           <value>0.5</value>
         </less-than>
       </condition>
+			<binding>
+				<command>property-assign</command>
+				<property>/controls/flight/flaps</property>
+				<value>0</value>
+			</binding>      
     </item>
     <item>
       <name>Carburetor Heat</name>
@@ -480,6 +589,11 @@
           <value>0</value>
         </equals>
       </condition>
+			<binding>
+				<command>property-assign</command>
+				<property>/controls/anti-ice/engine[0]/carb-heat</property>
+				<value>0</value>
+			</binding>      
     </item>
     <item>
       <name>Mixture</name>
@@ -497,6 +611,12 @@
           <value>0.9</value>
         </greater-than>
       </condition>
+			<binding>
+				<command>property-interpolate</command>
+				<property>/controls/engines/engine[0]/mixture</property>
+				<value>1.0</value>
+				<time>1.0</time>
+			</binding>
     </item>
     <item>
       <name>Throttle</name>
@@ -513,6 +633,12 @@
           <value>0.95</value>
         </greater-than>
       </condition>
+			<binding>
+				<command>property-interpolate</command>
+				<property>/controls/engines/engine[0]/throttle</property>
+				<value>1.0</value>
+				<time>2.0</time>
+			</binding>
     </item>
     <item>
       <name>Elevator Control</name>
@@ -550,6 +676,11 @@
           </less-than>
         </and>
       </condition>
+			<binding>
+				<command>property-assign</command>
+				<property>/controls/flight/flaps</property>
+				<value>0.333333</value>
+			</binding>      
     </item>
     <item>
       <name>Carburetor Heat</name>
@@ -566,6 +697,11 @@
           <value>0</value>
         </equals>
       </condition>
+			<binding>
+				<command>property-assign</command>
+				<property>/controls/anti-ice/engine[0]/carb-heat</property>
+				<value>0</value>
+			</binding>      
     </item>
     <item>
       <name>Brakes</name>
@@ -598,6 +734,12 @@
           <value>0.95</value>
         </greater-than>
       </condition>
+			<binding>
+				<command>property-interpolate</command>
+				<property>/controls/engines/engine[0]/throttle</property>
+				<value>1.0</value>
+				<time>2.0</time>
+			</binding>
     </item>
     <item>
       <name>Mixture</name>
@@ -615,6 +757,12 @@
           <value>0.9</value>
         </greater-than>
       </condition>
+			<binding>
+				<command>property-interpolate</command>
+				<property>/controls/engines/engine[0]/mixture</property>
+				<value>1.0</value>
+				<time>1.0</time>
+			</binding>
     </item>
     <item>
       <name>Brakes</name>
diff --git a/gui/dialogs/checklist.xml b/gui/dialogs/checklist.xml
index dc2dbafb0..00b460d03 100644
--- a/gui/dialogs/checklist.xml
+++ b/gui/dialogs/checklist.xml
@@ -185,6 +185,27 @@
 									                     marker.getNode("z-m", 1).getValue() ~ ", " ~
 									                     scale  ~ ");");
 									}
+									
+									# If there's one or more binding nodes we display a
+									# small button that executes the binding.  Used to 
+									# demonstrate the checklist item
+									var bindings = item.getChildren("binding");
+									
+									if ((v == 0) and (size(bindings) > 0)) {
+									  var btn = table.getChild("button", btncount, 1);
+									  btncount += 1;
+									  btn.getNode("row", 1).setValue(row);
+									  btn.getNode("col", 1).setValue(3);
+									  btn.getNode("pref-width", 1).setValue(20);
+									  btn.getNode("pref-height", 1).setValue(20);
+									  btn.getNode("padding", 1).setValue(1);
+									  btn.getNode("legend", 1).setValue(">");
+									  
+									  forindex (var bdg; bindings) {
+											var binding = btn.getChild("binding", bdg, 1);
+											props.copy(bindings[bdg], binding);
+										}
+									}
 																	
 									row = row + 1;              
 								}