Flesh out GLUT keyboard funcs

1 files changed, 33 insertions, 2 deletions

diff --git a/src/library_glut.js b/src/library_glut.js
index d5608ee8..363f417f 100644
--- a/src/library_glut.js
+++ b/src/library_glut.js
@@ -69,8 +69,39 @@ var LibraryGLUT = {
     },
 
     getASCIIKey: function(event) {
-      // TODO apply modifiers, etc
-      return event['keyCode'];
+      var keycode = event['keyCode'];
+
+      /* The exact list is soooo hard to find in a canonical place! */
+
+      if (48 <= keycode && keycode <= 57)
+        return keycode; // numeric
+      if (65 <= keycode && keycode <= 90)
+	return event['shiftKey'] ? keycode : keycode + 32;
+      if (106 <= keycode && keycode <= 111)
+	return keycode - 106 + 42; // *,+-./
+
+      switch (keycode) {
+        case 27: // escape
+        case 32: // space
+        case 61: // equal
+          return keycode;
+      }
+
+      var s = event['shiftKey'];
+      switch (keycode) {
+        case 186: return s ? 58 : 59; // colon / semi-colon
+        case 187: return s ? 43 : 61; // add / equal (these two may be wrong)
+        case 188: return s ? 60 : 44; // less-than / comma
+        case 189: return s ? 95 : 45; // dash
+        case 190: return s ? 62 : 46; // greater-than / period
+        case 191: return s ? 63 : 47; // forward slash
+        case 219: return s ? 123 : 91; // open bracket
+        case 220: return s ? 124 : 47; // back slash
+        case 221: return s ? 125 : 93; // close braket
+        case 222: return s ? 34 : 39; // single quote
+      }
+
+      return null;
     },
 
     onKeydown: function(event) {