More work on page anchor

lib/obp60task/ConfigMenu.h

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+#pragma once
+
+#include <Arduino.h>
+#include <vector>
+#include <map>
+#include "Graphics.h"  // for Point and Rect
+
+class ConfigMenuItem {
+private:
+    String label;
+    uint16_t value;
+    String unit;
+    String desc; // optional data to display
+    String valtype; // "int" | "bool" -> TODO "list"
+    uint16_t min;
+    uint16_t max;
+    std::vector<uint16_t> steps;
+    uint16_t step;
+    int8_t position; // counted fom 0
+
+public:
+    ConfigMenuItem(String itemtype, String itemlabel, uint16_t itemval, String itemunit);
+    void setRange(uint16_t valmin, uint16_t valmax, std::vector<uint16_t> steps);
+    bool checkRange(uint16_t checkval);
+    String getLabel();
+    uint16_t getValue();
+    bool setValue(uint16_t newval);
+    void incValue();
+    void decValue();
+    String getUnit();
+    uint16_t getStep();
+    void setStep(uint16_t newstep);
+    int8_t getPos();
+    void setPos(int8_t newpos);
+    String getType();
+};
+
+class ConfigMenu {
+private:
+    String title;
+    std::map <String,ConfigMenuItem*> items;
+    std::map <uint8_t,String> index;
+    int8_t activeitem = -1; // refers to position of item
+    uint16_t x;
+    uint16_t y;
+    uint16_t w;
+    uint16_t h;
+    void (*fptrCallback)();
+
+public:
+    ConfigMenu(String title, uint16_t menu_x, uint16_t menu_y);
+    ConfigMenuItem* addItem(String key, String label, String valtype, uint16_t val, String valunit);
+    void setItemDimension(uint16_t itemwidth, uint16_t itemheight);
+    int8_t getActiveIndex();
+    void setItemActive(String key);
+    ConfigMenuItem* getActiveItem();
+    ConfigMenuItem* getItemByIndex(uint8_t index);
+    ConfigMenuItem* getItemByKey(String key);
+    uint8_t getItemCount();
+    void goPrev();
+    void goNext();
+    Point getXY();
+    Rect getRect();
+    Rect getItemRect(int8_t index);
+    void setCallback(void (*callback)());
+    void storeValues();
+};