From 83fa3930f883ec8b863571f663fc45e2b156c412 Mon Sep 17 00:00:00 2001
From: david <david>
Date: Tue, 29 Oct 2002 22:06:53 +0000
Subject: [PATCH] Bound '+' to zoom in (like 'x'). Bound '-' to zoom out (like
 'X'). Bound '=' to return to default zoom.

---
 keyboard.xml | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/keyboard.xml b/keyboard.xml
index 4e35f0461..b52bec6a8 100644
--- a/keyboard.xml
+++ b/keyboard.xml
@@ -251,6 +251,16 @@ calculated by adding 256 to the GLUT key value in glut.h.
   </binding>
  </key>
 
+ <key n="43">
+  <name>+</name>
+  <desc>zoom in (decrease field of view)</desc>
+  <binding>
+   <command>property-multiply</command>
+   <property>/sim/current-view/field-of-view</property>
+   <factor type="double">0.9523809523809523</factor> <!-- 1 / 1.05 -->
+  </binding>
+ </key>
+
  <key n="44">
   <name>,</name>
   <desc>Left brake</desc>
@@ -268,6 +278,16 @@ calculated by adding 256 to the GLUT key value in glut.h.
   </mod-up>
  </key>
 
+ <key n="45">
+  <name>-</name>
+  <desc>zoom out (decrease field of view)</desc>
+  <binding>
+   <command>property-multiply</command>
+   <property>/sim/current-view/field-of-view</property>
+   <factor type="double">1.05</factor>
+  </binding>
+ </key>
+
  <key n="46">
   <name>.</name>
   <desc>Right brake</desc>
@@ -459,6 +479,16 @@ calculated by adding 256 to the GLUT key value in glut.h.
   </mod-shift>
  </key>
 
+ <key n="61">
+  <name>=</name>
+  <desc>Reset zoom to default</desc>
+  <binding>
+   <command>property-assign</command>
+   <property>/sim/current-view/field-of-view</property>
+   <value type="double">55.0</value>
+  </binding>
+ </key>
+
  <key n="64">
   <name>@</name>
   <desc>Select second engine</desc>