Function display() that displays menu added. Example updated accordingly

LCDMenu.cpp

@@ -59,4 +59,17 @@ LiquidCrystal* LCDMenu::getLCD()
 void LCDMenu::selectOption()
 {
 	menuCurrent->executeAction();
+}
+
+void LCDMenu::display()
+{
+	//LCD->clear();
+	LCD->setCursor(0,0);
+	LCD->print(">");
+	LCD->print(menuCurrent->getName());
+	if (menuCurrent->getNext() != menuCurrent)
+	{
+		LCD->setCursor(1,1);
+		LCD->print(menuCurrent->getNext()->getName());
+	}
 }

LCDMenu.h

@@ -19,6 +19,7 @@ class LCDMenu{
 	void setLCD(LiquidCrystal*);
 	LiquidCrystal* getLCD();
 	void selectOption();
+	void display();
 }; 
 
 #endif

LCDMenuItem.cpp

@@ -1,5 +1,5 @@
 #include "LCDMenuItem.h"
-#include <stdio.h>
+//#include <stdio.h>
 
 LCDMenuItem::LCDMenuItem(String newName)
 {
@@ -8,11 +8,13 @@ LCDMenuItem::LCDMenuItem(String newName)
 
 void LCDMenuItem::setName(String newName)
 {
-	char buffer[16];
+/*	char buffer[16];
 	newName.toCharArray(buffer,16);
 	snprintf(buffer, 15, "%s                ", buffer);
 	Name=String(buffer);
-	//Name=newName;
+*/
+	Name = newName + "                ";
+	Name = Name.substring(0,16);
 }
 
 String LCDMenuItem::getName()

examples/SimpleMenu/SimpleMenu.ino

@@ -36,46 +36,58 @@ int lastButton = 0;  // used in loop() to debounce reading from LCD shield's key
 void settingsAction()  //this function will be executed if you choose "Settings option".
 {
   menu->getLCD()->clear();
-  menu->getLCD()->setCursor(0,1);
+  menu->getLCD()->setCursor(2,2);
   menu->getLCD()->print("Some settings...");
-
+  delay (2000);
+}
+
+void distanceAction()  //this function will be executed if you choose "Settings option".
+{
+  menu->getLCD()->clear();
+  menu->getLCD()->setCursor(0,0);
+  menu->getLCD()->print("distance metering...");
+  delay (2000);
 }
 
 void setup()
 {
   LCD = new LiquidCrystal(8, 9, 4, 5, 6, 7);
+  LCD->begin(16,2);
   LCD->clear();
   menu = new LCDMenu("Main Menu", LCD);        //menu gets created
   LCDMenuItem *newItem;
   newItem = new LCDMenuItem("Settings");       //lets define some menu entries
   newItem->setAction(&settingsAction);         //here function gets assigned to menu entry - it will be executed if you select this option (Settings)
   menu->addMenuItem(newItem);
   newItem = new LCDMenuItem("Distance");
+  newItem->setAction(&distanceAction);
   menu->addMenuItem(newItem);
   newItem = new LCDMenuItem("Humidity");
   menu->addMenuItem(newItem);
   newItem = new LCDMenuItem("Temperature");
   menu->addMenuItem(newItem);
+  menu->display();
 }
 
 void loop()
 {
   int buttonState = read_LCD_buttons();
   if (buttonState != lastButton)
   {
-    menu->getLCD()->setCursor(0,1); 
+    menu->getLCD()->setCursor(0,0); 
     switch (buttonState)
     {
-    case btnUP : 
+    case btnDOWN : 
       menu->getLCD()->print(menu->next()->getName());
       break;
-    case btnDOWN : 
+    case btnUP : 
       menu->getLCD()->print(menu->prev()->getName());
       break;
     case btnRIGHT : 
       menu->selectOption();
       break;  
     }
+    menu->display();
     lastButton = buttonState;
   }
 }