https://github.com/neu-rah/ArduinoMenu/issues/179

Author: neu-rah

library.properties

@@ -1,5 +1,5 @@
 name=ArduinoMenu library
-version=4.10.2
+version=4.10.3
 author=Rui Azevedo, [email protected]
 maintainer=neu-rah, [email protected]
 sentence=Generic menu/interactivity system

src/menuIo.cpp

@@ -62,6 +62,37 @@ Used outputsList::printMenu(navNode& nav) const {
   return 0;
 }
 
+result outputsList::idle(idleFunc f,idleEvent e,bool idleChanged) {
+  #ifdef MENU_DEBUG
+  if (!f) MENU_DEBUG_OUT<<"idleFunc is NULL!!!"<<endl;
+  #endif
+  if (!f) return proceed;
+  for(int n=0;n<cnt;n++) {
+    menuOut& o=*((menuOut*)memPtr(outs[n]));
+    switch(e) {
+      case idleStart:
+        if ((*f)(o,e)==proceed) {
+          if (!(o.style&menuOut::redraw)) {
+            result r=(*f)(o,idling);
+            if (r==quit) return r;
+          }
+        } else return quit;
+        break;
+      case idling:
+        if (idleChanged||o.style&menuOut::redraw) {
+          result r=(*f)(o,e);
+          if (r==quit) return r;
+        }
+        break;
+      case idleEnd:
+        result r=(*f)(o,e);
+        if (r==quit) return r;
+        break;
+    }
+  }
+  return proceed;
+}
+
 // draw a menu preview on a panel
 void menuOut::previewMenu(navRoot& root,menuNode& menu,idx_t panelNr) {
   trace(MENU_DEBUG_OUT<<"menuOut::previewMenu"<<endl);

src/menuIo.h

@@ -204,36 +204,7 @@
         }
         void clear() {for(int n=0;n<cnt;n++) ((menuOut*)memPtr(outs[n]))->clear();}
         void doNav(navCmd cmd,class navNode &nav) {for(int n=0;n<cnt;n++) ((menuOut*)memPtr(outs[n]))->doNav(cmd,nav);}
-        result idle(idleFunc f,idleEvent e) {
-          #ifdef MENU_DEBUG
-          if (!f) MENU_DEBUG_OUT<<"idleFunc is NULL!!!"<<endl;
-          #endif
-          if (!f) return proceed;
-          for(int n=0;n<cnt;n++) {
-            menuOut& o=*((menuOut*)memPtr(outs[n]));
-            switch(e) {
-              case idleStart:
-                if ((*f)(o,e)==proceed) {
-                  if (!(o.style&menuOut::redraw)) {
-                    result r=(*f)(o,idling);
-                    if (r==quit) return r;
-                  }
-                } else return quit;
-                break;
-              case idling:
-                if (o.style&menuOut::redraw) {
-                  result r=(*f)(o,e);
-                  if (r==quit) return r;
-                }
-                break;
-              case idleEnd:
-                result r=(*f)(o,e);
-                if (r==quit) return r;
-                break;
-            }
-          }
-          return proceed;
-        }
+        result idle(idleFunc f,idleEvent e,bool idleChanged=false);
     };
   }//namespace Menu
 

src/nav.h

@@ -150,8 +150,8 @@
         inline void doOutput() {
           if (!sleepTask) printMenu();
           else {
+            out.idle(sleepTask,idling,idleChanged);
             idleChanged=false;//turn it off here so that sleepTask can force it on again
-            out.idle(sleepTask,idling);
             #ifdef MENU_IDLE_BKGND
               if (idleTask!=sleepTask) out.idle(idleTask,idling);
             #endif