Multilevel menus working with key repeat

source/menu.h

@@ -60,6 +60,12 @@
 
 #define MENU_SEL_RECT_RADIUS		5
 
+#define MENU_STACK_SIZE		4
+#define MENU_ITEM_SIZE		10
+
+typedef struct Menu_s Menu_t;
+typedef int (*MenuHandler_t)(Menu_t *menu);
+
 typedef enum
 {
 	MENU_ID_NONE = 0,
@@ -75,8 +81,44 @@ typedef struct MENU_ITEM_s
 	uint32_t * pMonoIcon;				// bitmap
 	char text[MENU_MAX_STRING_LENGTH];
 	MenuItemId_t id;
+	int (*handler)(Menu_t *menu);
 
-} MENU_ITEM_t;
+} MenuItem_t;
+
+typedef enum
+{
+	MENU_OK = 0,
+	MENU_HOME,
+	MENU_EXIT
+} MenuExitCode_t;
+
+struct Menu_s
+{
+	MenuHandler_t handler;
+	bool init;
+	bool draw;
+	int selected;
+	MenuItem_t items[MENU_ITEM_SIZE];
+	int itemCount;
+	int displayIndex;
+	int exitCode;
+	int nextRepeat;
+	uint32_t longPress;
+
+};
+
+typedef struct MenuData_s
+{
+	int stackCount;
+	Menu_t menuStack[MENU_STACK_SIZE];
+	Menu_t *currentMenu;
+
+} MenuData_t;
+
+
+typedef struct {
+	bool exitToMainScreen;
+} MENU_t;
 
 
 void Menu_init(void);