#include "avr/pgmspace.h"
#include "OneButton.h"  
#include "DigiKeyboard.h"
// Setup a new OneButton on pin D0.  
OneButton button1(0, false);

byte c = 0; // credencial pointer

const char S0[] PROGMEM = "preambulo"; //parte comum a todas as senhas
const char S1[] PROGMEM = "otorrinolaringologista="; 
const char S2[] PROGMEM = "mamae+sou+forte="; 
const char S3[] PROGMEM = "+inconstitucionalissimamente="; 
const char S4[] PROGMEM = "vai+danada+vai+danada!"; 


const char* const table[] PROGMEM = {
  S0, S1, S2, S3, S4
  };

 char buffer[56];  // make sure this is large enough for the largest string it must hold

void setup() {
  // link the button 1 functions.
  button1.attachClick(click1);
  button1.attachDuringLongPress(longPress1);
  button1.attachDoubleClick(doubleclick1);


} 

void loop() {
  // keep watching the push buttons:
  button1.tick();
  DigiKeyboard.delay(10);


} 

// when button1 is single pressed this happens
void click1() {
  c=c+1;
  DigiKeyboard.sendKeyStroke(c+3); //   (a is 4)
  DigiKeyboard.sendKeyStroke(KEY_A,MOD_CONTROL_LEFT); // select the word writen
  if(c==7) {
    c=1;
  }
}

// ----- button 1 callback functions
// This function will be called often, while the button1 is pressed for a long time.
void longPress1() {
    DigiKeyboard.print(strcpy_P(buffer, (char *)pgm_read_word(&table[0])));
    DigiKeyboard.print(strcpy_P(buffer, (char *)pgm_read_word(&table[c])));
    DigiKeyboard.delay(500);
    DigiKeyboard.sendKeyStroke(KEY_A,MOD_CONTROL_LEFT); // select the word writen
    DigiKeyboard.sendKeyStroke(KEY_X,MOD_CONTROL_LEFT); // copy the codified pass 
    DigiKeyboard.sendKeyStroke(KEY_2,MOD_CONTROL_LEFT | MOD_SHIFT_LEFT ); // print the decodified pass
  }

//when button1 is double pressed:
void doubleclick1() {
  c=c-1;
    DigiKeyboard.sendKeyStroke(c); 
    DigiKeyboard.sendKeyStroke(KEY_A,MOD_CONTROL_LEFT); // select the word writen 
  if(c<0) {
    c=0;
  }
}