InputScreen.h

//==============================================
// Numerical keypad input screen
//----------------------------------------------
// Author:  Gerard Llort Casanova
// Version: 1.1
// Copyright (c) 2021
//==============================================

#ifndef _INPUTSCREEN_H
#define _INPUTSCREEN_H

#include <Arduino.h>
#include "Screen.h"

#define INPUT_MODE_MANUAL_ADDR  1
#define INPUT_MODE_TRACK_ADDR   2
#define INPUT_MODE_DEVID        3

#define UI_ADDR_0               0
#define UI_ADDR_1               1
#define UI_ADDR_2               2
#define UI_ADDR_3               3
#define UI_ADDR_4               4
#define UI_ADDR_5               5
#define UI_ADDR_6               6
#define UI_ADDR_7               7
#define UI_ADDR_8               8
#define UI_ADDR_9               9
#define UI_ADDR_OK              10
#define UI_ADDR_CANCEL          11
#define UI_ADDR_DEL             12
#define UI_ADDR_TXTBOX          13

// Number of accepted digits
#define TXT_DIGITS_MAX          4

class InputScreen : public Screen
{
  char     txtAddress[TXT_DIGITS_MAX + 1];
  byte     addPos     = 0;
  byte     mode       = 0;
  byte     track      = 0;
  uint16_t inputValue = 0;

public:

  //----------------------------------------------
  // Constructors
  //----------------------------------------------
  InputScreen();

  //----------------------------------------------
  // Methods
  //----------------------------------------------
  void InitializeUI() override;
  ScreenParams* ClickHandler(uint8_t objId) override;
  void Shown(ScreenParams *params) override;

private:

  void DigitPressed(uint8_t objId);
  void DeleteButtonPressed(uint8_t objId);
  ScreenParams* OkButtonPressed(uint8_t objId);
  uint16_t GetInputValue();
  void SetAddress(uint16_t addr);
  void ClearAddress();
  
};

#endif