/*
  Beispiel für
  https://forum.arduino.cc/t/tft-input-placeholder/1107597

  2023-03-30
  ec2021

*/

#include "TFTCursor.h"
#include <Fonts/FreeSans12pt7b.h>
#include <Fonts/FreeSans24pt7b.h>

#define LEFT 10
#define TOP  100

CursorType myCursor;

int Pos   = 1;
unsigned long lastChange = 0;

constexpr int NoOfStrings = 3;
int StrNo       = 0;
String txt[NoOfStrings] = {"00:00", "aBcDe", "01:2a3@4"};


void setup() {
  Serial.begin(115200);
  Serial.println("Start ...");
  tft.begin();
  tft.setRotation(3);
  tft.setFont(&FreeSans24pt7b);
  tft.setTextSize(1);

  myCursor.setCursorColor(ILI9341_YELLOW);
  myCursor.setBlinkTime(300);
  myCursor.print(txt[0], LEFT, TOP, ILI9341_RED);
}

void ChangeText() {
  Pos = 1;
  StrNo++;
  if (StrNo >= NoOfStrings) StrNo = 0;
  switch (StrNo) {
    case 0 :  myCursor.print(txt[StrNo], LEFT + 80, TOP, ILI9341_RED);
      break;
    case 1 :  myCursor.print(txt[StrNo], LEFT + 40, TOP + 30, ILI9341_GREEN);
      break;
    case 2 :  myCursor.print(txt[StrNo], LEFT, TOP - 20, ILI9341_BLUE);
      break;
    default :  myCursor.print(txt[StrNo], LEFT, TOP, ILI9341_YELLOW);

  }
}

void loop() {
  myCursor.Blink(Pos);
  if (millis() - lastChange > 1400) {
    myCursor.ClearBlink();
    lastChange = millis();
    Pos++;
    if (Pos > txt[StrNo].length()) ChangeText();
  }
}