wordclock/libraries/States/ControlTextState..cpp

#include <ControlStates.h>

ControlTextState::ControlTextState(AT24C32 &_at24c32)
{
  at24c32 = _at24c32;
}

void ControlTextState::leftPressed(ViewStates &viewState, ControlStates &controlState)
{
  uint8_t length = at24c32.read(TEXT_SIZE_ADDRESS);
  if (length > 2)
  {
    length--;
    at24c32.write(TEXT_SIZE_ADDRESS, length);
  }
};

void ControlTextState::rightPressed(ViewStates &viewState, ControlStates &controlState)
{
  uint8_t length = at24c32.read(TEXT_SIZE_ADDRESS);
  if (length < 0xFF)
  {
    length++;
    at24c32.write(TEXT_SIZE_ADDRESS, length);
  }
};

void ControlTextState::enterPressed(ViewStates &viewState, ControlStates &controlState)
{
  controlState = ControlStates::VIEW;
};

void ControlTextState::decrementPressed(ViewStates &viewState, ControlStates &controlState)
{
  uint8_t position = at24c32.read(TEXT_SIZE_ADDRESS) - 1;
  uint8_t char1 = at24c32.read(TEXT_ADDRESS + position);
  if (char1 > 0)
  {
    char1--;
  }
  else
  {
    char1 = 0xFF;
  }
  at24c32.write(TEXT_ADDRESS + position, char1);
};

void ControlTextState::incrementPressed(ViewStates &viewState, ControlStates &controlState)
{
  uint8_t position = at24c32.read(TEXT_SIZE_ADDRESS) - 1;
  uint8_t char1 = at24c32.read(TEXT_ADDRESS + position);
  if (char1 < 0xFF)
  {
    char1++;
  }
  else
  {
    char1 = 0;
  }
  at24c32.write(TEXT_ADDRESS + position, char1);
};