162 lines
6.3 KiB
Python
162 lines
6.3 KiB
Python
import sys
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import serial
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import serial.tools.list_ports
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from PyQt5.QtWidgets import *
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from PyQt5.QtCore import *
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from PyQt5.QtGui import *
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from drawwindow import DrawWindow
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from aboutwindow import AboutWindow
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from serialhandler import SerialHandler
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class MainWindow(QMainWindow):
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def __init__(self, parent=None):
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super(MainWindow, self).__init__(parent)
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self.setWindowTitle('NoidHost')
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self.setWindowIcon(QIcon('gml.png'))
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self.statusbar = self.statusBar()
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self.statusbar.showMessage('等待连接')
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menubar = self.menuBar()
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# 菜单栏-文件
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exit_action = QAction('&退出', self)
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exit_action.setShortcut('Ctrl+Q')
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exit_action.setStatusTip('退出应用')
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exit_action.triggered.connect(lambda: sys.exit())
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menubar_file = menubar.addMenu('文件')
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menubar_file.addAction(exit_action)
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# 菜单栏-曲线
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draw_node2_action = QAction('&节点2', self)
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draw_node3_action = QAction('&节点3', self)
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draw_node4_action = QAction('&节点4', self)
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draw_node5_action = QAction('&节点5', self)
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self.node2_drawwindow = DrawWindow()
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self.node3_drawwindow = DrawWindow()
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self.node4_drawwindow = DrawWindow()
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self.node5_drawwindow = DrawWindow()
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menubar_draw = menubar.addMenu('曲线')
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menubar_draw.addAction(draw_node2_action)
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menubar_draw.addAction(draw_node3_action)
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menubar_draw.addAction(draw_node4_action)
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menubar_draw.addAction(draw_node5_action)
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draw_node2_action.triggered.connect(
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lambda: self.drawStart(2))
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draw_node3_action.triggered.connect(
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lambda: self.drawStart(3))
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draw_node4_action.triggered.connect(
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lambda: self.drawStart(4))
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draw_node5_action.triggered.connect(
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lambda: self.drawStart(5))
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# 菜单栏-关于
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self.aboutwindow = AboutWindow()
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about_action = QAction('&关于', self)
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about_action.setShortcut('Ctrl+A')
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about_action.setStatusTip('关于')
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about_action.triggered.connect(lambda: self.aboutwindow.show())
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menubar_about = menubar.addMenu('关于')
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menubar_about.addAction(about_action)
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self.label_node2 = QLabel(
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'节点：2 湿度： % 温度： °C 光照度： lx ')
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self.label_node3 = QLabel(
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'节点：3 湿度： % 温度： °C 光照度： lx ', self)
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self.label_node4 = QLabel(
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'节点：4 湿度： % 温度： °C 光照度： lx ', self)
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self.label_node5 = QLabel(
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'节点：5 湿度： % 温度： °C 光照度： lx ', self)
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self.combobox = QComboBox()
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self.port_list = serial.tools.list_ports.comports()
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for port in self.port_list:
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self.combobox.addItem(port.description)
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self.btnStart = QPushButton('开始')
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self.btnExit = QPushButton('退出')
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self.btnScanPort = QPushButton('刷新串口')
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# 实例化多线程对象
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self.handler = SerialHandler(self.port_list[0].name)
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# 把控件放置在栅格布局中
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layout = QGridLayout()
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layout.addWidget(self.label_node2, 1, 1, 1, 4)
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layout.addWidget(self.label_node3, 2, 1, 1, 4)
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layout.addWidget(self.label_node4, 3, 1, 1, 4)
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layout.addWidget(self.label_node5, 4, 1, 1, 4)
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layout.addWidget(self.btnScanPort, 5, 1, 1, 1)
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layout.addWidget(self.combobox, 5, 2, 1, 1)
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layout.addWidget(self.btnStart, 5, 3, 1, 1)
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layout.addWidget(self.btnExit, 5, 4, 1, 1)
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self.widget = QWidget()
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self.widget.setLayout(layout)
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self.widget.setStyleSheet("QLabel{font-size: 18pt;}")
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self.setCentralWidget(self.widget)
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# 信号与槽函数的连接
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self.handler.sign_node.connect(self.slotUpdateNode)
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self.combobox.currentIndexChanged.connect(self.slotSelectPort)
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self.btnScanPort.clicked.connect(self.slotScanPort)
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self.btnStart.clicked.connect(self.slotStart)
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self.btnExit.clicked.connect(lambda: sys.exit())
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def slotScanPort(self):
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self.port_list = serial.tools.list_ports.comports()
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self.combobox.clear()
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for port in self.port_list:
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self.combobox.addItem(port.description)
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self.handler.port_name = self.port_list[0].name
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def slotSelectPort(self, index):
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self.handler.port_name = self.port_list[index].name
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def slotUpdateNode(self, node_seq: int, node_data: dict):
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# 更新
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if (node_seq == 2):
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self.label_node2.setText(
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f"节点：2 湿度：{node_data['humi']}% 温度：{node_data['temp']}°C 光照度：{node_data['light']}lx")
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if (node_seq == 3):
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self.label_node3.setText(
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f"节点：3 湿度：{node_data['humi']}% 温度：{node_data['temp']}°C 光照度：{node_data['light']}lx")
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if (node_seq == 4):
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self.label_node4.setText(
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f"节点：4 湿度：{node_data['humi']}% 温度：{node_data['temp']}°C 光照度：{node_data['light']}lx")
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if (node_seq == 5):
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self.label_node5.setText(
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f"节点：5 湿度：{node_data['humi']}% 温度：{node_data['temp']}°C 光照度：{node_data['light']}lx")
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def slotStart(self):
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self.combobox.setEnabled(False)
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self.btnScanPort.setEnabled(False)
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self.btnStart.setEnabled(False)
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self.btnExit.setEnabled(True)
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self.statusbar.showMessage('已连接')
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self.handler.start()
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def drawStart(self, node_seq: int):
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if node_seq == 2:
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self.handler.sign_node.connect(self.node2_drawwindow.addPoint)
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self.node2_drawwindow.start(node_seq)
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elif node_seq == 3:
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self.handler.sign_node.connect(self.node3_drawwindow.addPoint)
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self.node3_drawwindow.start(node_seq)
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elif node_seq == 4:
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self.handler.sign_node.connect(self.node4_drawwindow.addPoint)
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self.node4_drawwindow.start(node_seq)
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elif node_seq == 5:
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self.handler.sign_node.connect(self.node5_drawwindow.addPoint)
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self.node5_drawwindow.start(node_seq)
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