/*!
 * @file UI_button.ino
 * @brief call setRotation(), you can change the direction of the screen display
 * @copyright Copyright (c) 2010 DFRobot Co. Ltd (http://www.dfrobot.com)
 * @license The MIT License (MIT)
 * @author [fengli] (li.feng@dfrobot.com)
 * @version V1.0
 * @date 2022-03-14
 * @url https://github.com/DFRobot/DFRobot_GDL/src/DFRpbot_UI
*/
#include "DFRobot_UI.h"
#include "Arduino.h"
#include "DFRobot_GDL.h"
#include "DFRobot_Touch.h"

/*M0*/
#if defined ARDUINO_SAM_ZERO
#define TFT_DC  7
#define TFT_CS  5
#define TFT_RST 6
/*ESP32 and ESP8266*/
#elif defined(ESP32) || defined(ESP8266)
#define TFT_DC  D2
#define TFT_CS  D6
#define TFT_RST D3

/* AVR series mainboard */
#else
#define TFT_DC  2
#define TFT_CS  3
#define TFT_RST 4
#endif
/**
   @brief Constructor  When the touch uses the gt series chip, you can call this constructor
*/
DFRobot_Touch_GT911 touch;
/**
 * @brief Constructor When the screen uses hardware SPI communication, the driver IC is ILI9341, and the screen resolution is 320x480, this constructor can be called
 * @param dc Command/data line pin for SPI communication
 * @param cs Chip select pin for SPI communication
 * @param rst Reset pin of the screen
 */
DFRobot_ILI9488_320x480_HW_SPI screen(/*dc=*/TFT_DC,/*cs=*/TFT_CS,/*rst=*/TFT_RST);
/* M0 mainboard DMA transfer */
//DFRobot_ILI9488_320x480_HW_SPI  screen(/*dc=*/TFT_DC,/*cs=*/TFT_CS,/*rst=*/TFT_RST);

/**
 * @brief Constructor
 * @param gdl Screen object
 * @param touch Touch object
 */
DFRobot_UI ui(&screen, &touch);

//Callback function for three buttons
void btnCallback(DFRobot_UI::sButton_t &btn,DFRobot_UI::sTextBox_t &obj) {
   String text((char *)btn.text);
   if(text == "ON"){
    obj.setText("you have touched button on");
    }
   else if(text == "OFF"){
    obj.setText("you have touched button off");
    }

}

void setup()
{

  Serial.begin(9600);
  //UI initialization

  ui.begin();
  //Set the UI theme, there are two themes to choose from: CLASSIC and MODERN.
  ui.setTheme(DFRobot_UI::CLASSIC); 
  //Create a text box control
  touch.setRotation(3);
  screen.setRotation(3);
  DFRobot_UI::sTextBox_t & tb = ui.creatText();
  tb.bgColor = 0xe6B6;
  ui.draw(&tb);
  
  //Create a button control on the screen
  DFRobot_UI::sButton_t & btn1 = ui.creatButton();
  //Set the name of the button
  btn1.setText("ON");
  btn1.fontSize = 3;
  btn1.bgColor = COLOR_RGB565_RED;
  btn1.setCallback(btnCallback);
  //Each button has a text box, its parameter needs to be set by yourself.
  btn1.setOutput(&tb);
  ui.draw(&btn1,/**x=*/screen.width()/10,/**y=*/screen.height()/2+30,/*width*/screen.width()/10*2,/*height*/screen.width()/10*2);
  
  DFRobot_UI::sButton_t & btn2 = ui.creatButton();
  btn2.setText("OFF");
  btn2.bgColor = COLOR_RGB565_GREEN;
  btn2.setCallback(btnCallback);
  //Each button has a text box, its parameter needs to be set by yourself.
  btn2.setOutput(&tb);
  ui.draw(&btn2,/**x=*/(screen.width()/10)*4,/**y=*/screen.height()/2+30,/*width*/screen.width()/10*2,/*height*/screen.width()/10*2);

}
void loop()
{
  //Refresh all controls
  ui.refresh();
}