from PyQt5.QtGui import*
from PyQt5.QtCore import*
from PyQt5.QtWidgets import*
import time,sys,serial,threading


#实现一些串口功能的接口
class Serial(): 
    def __init__(self, port, baudrate=115200, timeout=5, bytesize=8, parity='N', stopbits=1):
        #相关参数的设定
        self.port = port
        self.baudrate = baudrate
        self.timeout = timeout
        self.bytesize = bytesize
        self.parity = parity
        self.stopbits = stopbits
        #串口存在与否标准
        self.serial_existed = False
        #连接是否建立标志
        self.isConnected = False
        #主要流程实现,初始化应该实现的部分 
        self.ports = serial.tools.list_ports.comports()
        self.ports_name = [port.name for port in self.ports] 
        if self.ports:
            print("串口的信息如下{}".format(self.ports_name))
            self.serial_existed = True
            try:
                self._serial_connect()
                print("串口连接成功......")
            except Exception as e:
                print("未连接成功,可能是未开启系统!",e)
        else:
            print("未检测到串口!")

    def _serial_connect(self):
        self._serial = serial.Serial(port=self.port, baudrate=self.baudrate, timeout=self.timeout,
                                    bytesize=self.bytesize, parity=self.parity, stopbits=self.stopbits)
        self._serial.flushInput()
        if self._serial.isOpen():
            self.isConnected = True

    def get_data(self, *args, **kwargs):
        if self.isConnected:
            while True:
                data_count = self._serial.inWaiting()
                if data_count != 0:
                    receiver = self._serial.read(self._serial.in_waiting).decode('gbk')
                    serial_time = time.time()
                    time.sleep(0.1)
                    if args[0]:
                        if args[1]:
                            return (">>"+receiver+'\n'+time.strftime("%H:%M:%S",time.localtime(serial_time))+' 接收到: '+receiver)
                        else:
                            return (time.strftime("%H:%M:%S",time.localtime(serial_time))+' 接收到: '+receiver)                         
                    else:
                        if args[1]:
                            return ">>"+receiver+'\n'+receiver
                        else:
                            return receiver
        else:
            return "当前串口未建立连接!"

    def send_data(self, *args, **kwargs):
        if self.isConnected:
            if len(args) == 1:
                self._serial.write(args[0].encode(encoding='utf-8'))
            else:
                pass
        else:
            return "当前串口未建立连接!"   

class SerialHandleThread(threading.Thread):
    def __init__(self, func, args, name = ''):
        threading.Thread.__init__(self)
        self.name = name 
        self.func = func
        self.args = args
        self.result = self.func(*self.args)
    
    def get_return_value(self):
        try: 
            return self.result
        except Exception:
            return None

class QTitleLabel(QLabel):
    """
    新建标题栏标签类
    """
    def __init__(self, *args):
        super(QTitleLabel, self).__init__(*args)
        self.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
        self.setFixedHeight(30)

class QTitleButton(QPushButton):
    """
    新建标题栏按钮类
    """
    def __init__(self, *args):
        super(QTitleButton, self).__init__(*args)
        self.setFont(QFont("Webdings"))  # 特殊字体以不借助图片实现最小化最大化和关闭按钮
        self.setFixedWidth(40)

class serial_thread(QThread):
    _signal = pyqtSignal(str)   
    def __init__(self):
        super(serial_thread,self).__init__()