reuse menu structure example

Author: neu-rah

examples/reuse/reuse.ino

@@ -0,0 +1,83 @@
+/********************
+Arduino generic menu system
+Serial menu example
+http://www.r-site.net/?at=//op%5B%40id=%273090%27%5D
+
+Sept.2014 Rui Azevedo - ruihfazevedo(@rrob@)gmail.com
+creative commons license 3.0: Attribution-ShareAlike CC BY-SA
+This software is furnished "as is", without technical support, and with no
+warranty, express or implied, as to its usefulness for any purpose.
+
+Thread Safe: No
+Extensible: Yes
+*/
+#include <menu.h>//menu macros and objects
+#include <menuFields.h>
+#include <menuPrint.h>
+//#include <streamFlow.h>
+
+struct Timer {
+  bool use=false;
+  enum {alarm,countDown} type=alarm;
+  int h=0,m=0,s=0;
+};
+
+Timer tmp;
+Timer alarms[3];
+
+promptFeedback cancel() {return true;}
+promptFeedback setCurAlarm();
+promptFeedback setupAlarm();
+
+/////////////////////////////////////////////////////////////////////////
+// MENU DEFINITION
+
+// menu for setup an alarm, we will reuse this for all alarms
+TOGGLE(tmp.use,setUse,"Use",VALUE("Yes",true),VALUE("No",false));
+SELECT(tmp.type,setType,"Type"
+  ,VALUE("Alarm",Timer::alarm)
+  ,VALUE("Countdown",Timer::countDown)
+);
+MENU(alarmDef,"Alarm def"
+  ,SUBMENU(setUse)
+  ,SUBMENU(setType)
+  ,FIELD(tmp.h,"Hour","",0,24,1,0)
+  ,FIELD(tmp.m,"Minuts","",0,60,5,1)
+  ,FIELD(tmp.s,"Seconds","",0,60,5,1)
+  ,OP("Ok",setupAlarm)
+);
+
+//menu with list of alarms
+MENU(mainMenu,"Alarms"
+  ,OP("Alarm 1",setCurAlarm)
+  ,OP("Alarm 2",setCurAlarm)
+  ,OP("Alarm 3",setCurAlarm)
+);
+
+//when click ok on alarm
+promptFeedback setCurAlarm() {
+  tmp=alarms[mainMenu.sel];
+  menuNode::activeNode=&alarmDef;
+  return false;
+}
+
+//when an alarm is selected
+promptFeedback setupAlarm() {
+  Serial.println("Ok");
+  alarms[mainMenu.sel]=tmp;
+  return cancel();
+}
+
+menuPrint menu_out(Serial);//describe output device
+
+void setup() {
+  Serial.begin(115200);
+  while(!Serial);
+  Serial.println("menu system test");
+  delay(1000);
+}
+
+void loop() {
+  mainMenu.poll(menu_out,Serial);
+  delay(100);
+}

src/menuPrint.h

@@ -38,7 +38,7 @@ www.r-site.net
 			int i=0;
 			for(;i<m.sz;i++)
 				printPrompt(*(prompt*)pgmPtrNear(m.data[i]),i==m.sel,i+1,i-top,0,m.width);
-			if (drawExit) printPrompt(menu::exitOption,m.sel==m.sz,i,0,i-top,m.width);
+			if (drawExit) printPrompt(menu::exitOption,m.sel==m.sz,0,i-top,0,m.width);
 			lastTop=top;
 			lastSel=m.sel;
 			drawn=&m;