From 119f1ec5a99bafb30c20df3f5723e743217b6238 Mon Sep 17 00:00:00 2001
From: Don Pellegrino <don@drexel.edu>
Date: Tue, 16 Jun 2009 23:26:44 +0000
Subject: Added zoom command.

---
diff --git a/src/controller/keyboard.c b/src/controller/keyboard.c
index c6e3c48..333e2d4 100644
--- a/src/controller/keyboard.c
+++ b/src/controller/keyboard.c
@@ -1,6 +1,9 @@
 #include "keyboard.h"
 #include "clear_selection.h"
 #include "selection_from_db.h"
+#include "../view/exp004state0.h"
+
+#define S exp004state0
 
 void
 keyboard (unsigned char key, int x, int y)
@@ -22,6 +25,16 @@ keyboard (unsigned char key, int x, int y)
        */
       selection_from_db ();
       break;
+
+    case 'z':
+      /*
+       * Toggle zoom mode on and off.
+       */
+      if (S.zoom)
+	S.zoom = false;
+      else
+	S.zoom = true;
+      break;
     }
 
   return;
--
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