Added keyboard.js

scripts/keyboard.js

@@ -0,0 +1,54 @@
+function Keyboard()
+{
+  this.is_locked = false;
+
+  this.lock = function()
+  {
+    this.is_locked = true;
+    interface.actions_panel.style.color = "red";
+  }
+
+  this.unlock = function()
+  {
+    this.is_locked = false;
+    interface.actions_panel.style.color = "black";
+  }
+
+  this.listen = function(event)
+  {
+    if(this.is_locked === true){ return; }
+    switch (event.keyCode)
+    {
+      case 13: this.key_enter(); break;
+      case 32: this.key_space(); break;
+      case 38: this.key_arrow_up(); break;
+      case 40: this.key_arrow_down(); break;
+      case 37: this.key_arrow_left(); break;
+      case 39: this.key_arrow_right(); break;
+    }
+  };
+
+  this.key_enter = function()
+  {
+  }
+
+  this.key_space = function()
+  {
+  }
+
+  this.key_arrow_up = function()
+  {
+  }
+
+  this.key_arrow_down = function()
+  {
+  }
+
+  this.key_arrow_left = function()
+  {
+  }
+
+  this.key_arrow_right = function()
+  {
+  }
+}