Index: gui.h
===================================================================
--- gui.h	(revision 257)
+++ gui.h	(revision 258)
@@ -20,6 +20,7 @@
 #define RAYDIUM_GUI_EDIT	4
 #define RAYDIUM_GUI_CHECK	5
 #define RAYDIUM_GUI_COMBO	6
+#define RAYDIUM_GUI_ZONE	7
 
 #define RAYDIUM_GUI_NORMAL	1
 #define RAYDIUM_GUI_FOCUS	2
@@ -40,6 +41,15 @@
     GLfloat  font_color[3];
 } raydium_gui_Button;
 
+typedef struct raydium_gui_Zone
+{
+    void *   OnClick;
+    GLfloat  col_normal[4];
+    GLfloat  col_focus[4];
+    GLfloat  col_hover[4];
+    int	     tag;
+} raydium_gui_Zone;
+
 typedef struct raydium_gui_Label
 {
     char     caption[RAYDIUM_MAX_NAME_LEN];