DCS_V1.0/UI/Main/Main.py

import sys
from PyQt5 import QtWidgets
from PyQt5.QtCore import Qt
from PyQt5.Qt import *
from PyQt5.QtWidgets import QApplication, QMainWindow, QStackedWidget, QMessageBox, QStackedWidget, QWidget, QTabWidget
from ctypes import POINTER, cast
from ctypes.wintypes import MSG
from win32 import win32api, win32gui
from win32.lib import win32con
from windoweffect import WindowEffect, MINMAXINFO, NCCALCSIZE_PARAMS
from UI.Main.MainLeft import MainLeft
from UI.Main.MainTop import MainTop
from ..ProjectManages.ProjectWidget import ProjectWidgets
from ..VarManages.VarWidget import VarWidgets, HartWidgets, TcRtdWidgets, AnalogWidgets, HartSimulateWidgets
from ..UserManage.UserWidget import UserWidgets
from ..TrendManage.TrendWidget import TrendWidgets
from ..Setting.Setting import SettingWidget
from model.ClientModel.Client import Client
from utils import Globals
from utils.DBModels.InitParameterDB import InitParameterDB
from UI.ProfibusWidgets.ProfibusWindow import ProfibusWidgets
from UI.ProcedureManager.ProcedureManager import ProcedureManager

class CommonHelper:
    def __init__(self):
        pass

    @staticmethod
    def readQss(style):
        with open(style,"r") as f:
            return f.read()

class MainWindow(QMainWindow):

    BORDER_WIDTH = 5 #设圆角

    def __init__(self):
        super(MainWindow, self).__init__()
        InitParameterDB()
        self.setupUi()
        # self.setStyleSheet(CommonHelper.readQss('static/main.qss'))

        self.setWindowFlags(Qt.FramelessWindowHint|Qt.WindowSystemMenuHint)
        self.SHADOW_WIDTH = 0  #边框距离
        self.isLeftPressDown = False #鼠标左键是否按下
        self.dragPosition = 0   #拖动时坐标
        self.padding = 4
        self.Numbers = self.enum(UP=0, DOWN=1, LEFT=2, RIGHT=3, LEFTTOP=4, LEFTBOTTOM=5, RIGHTBOTTOM=6, RIGHTTOP=7, NONE=8) #枚举参数
        self.setMinimumHeight(900) #窗体最小高度
        self.setMinimumWidth(1600) #窗体最小宽度
        self.dir = self.Numbers.NONE #初始鼠标状态

        #开启鼠标追踪
        self.setMouseTracking(True)
        self.centralwidget.setMouseTracking(True)
        self.leftWidget.setMouseTracking(True)
        self.rightWidget.setMouseTracking(True)
        self.topWidget.setMouseTracking(True)

        #初始化接口
        self.windowEffect = WindowEffect()
        # 添加DWM阴影效果
        self.windowEffect.addWindowAnimation(self.winId())
        self.windowEffect.addShadowEffect(self.winId())

        # 解决报错
        self.windowHandle().screenChanged.connect(self.__onScreenChanged)


    def setupUi(self):
        self.showMaximized()
        self.centralwidget = QtWidgets.QWidget(self)
        self.centralwidget.setObjectName("centralwidget")

        self.leftWidget = MainLeft()
        self.leftWidget.setObjectName("leftWidget")

        self.projectWidget = ProjectWidgets()
        self.userWidget = UserWidgets()
        self.procedureManagerWidget = ProcedureManager()

        self.ModbusTcpMasterWidget = VarWidgets('ModbusTcpMaster')
        self.ModbusTcpSlaveWidget = VarWidgets('ModbusTcpSlave')
        self.ModbusRtuMasterWidget = VarWidgets('ModbusRtuMaster')
        self.ModbusRtuSlaveWidget = VarWidgets('ModbusRtuSlave')

        modbusWidgetList = [self.ModbusTcpMasterWidget, self.ModbusTcpSlaveWidget, self.ModbusRtuMasterWidget, self.ModbusRtuSlaveWidget]
        modbusNameList = ['MODBUSTCP主站', 'MODBUSTCP从站', 'MODBUSRTU主站', 'MODBUSRTU从站',]

        self.profibusWidget = ProfibusWidgets()
        self.trendWidget = TrendWidgets()
        self.SettingWidget = SettingWidget()
        self.hartWidget = HartWidgets()
        self.tcrtdWidget = TcRtdWidgets()
        self.analogWidget = AnalogWidgets()
        self.hartsimulateWidget = HartSimulateWidgets()

        self.userWidget.setObjectName('userWidget')
        self.projectWidget.setObjectName('projectWidget')
        self.trendWidget.setObjectName('trendWidget')
        # self.ModBusWidget.setObjectName('varWidget')
        self.analogWidget.setObjectName('analogWidget')
        self.hartsimulateWidget.setObjectName('hartsimulateWidget')
        

        self.varManageTabWidget = QTabWidget()
        self.varManageTabWidget.setObjectName("varManageTabWidget")
        self.varManageTabWidget.tabBar().setObjectName('varManageTabBar')

        self.rightWidget = QStackedWidget()
        self.rightWidget.setObjectName("rightWidget")
        self.rightWidget.addWidget(self.projectWidget)
        for widget, name in zip(modbusWidgetList, modbusNameList):
            widget.setObjectName('varWidget')
            self.varManageTabWidget.addTab(widget, name)
            
        self.varManageTabWidget.addTab(self.analogWidget,'IO')
        self.varManageTabWidget.addTab(self.tcrtdWidget,'TCRTD')
        self.varManageTabWidget.addTab(self.hartWidget,'HART读取')
        self.varManageTabWidget.addTab(self.hartsimulateWidget,'HART模拟')
        self.varManageTabWidget.addTab(self.profibusWidget,'PROFIBUS')

        #添加导入变量按钮
        self.importVarButton = QPushButton(QIcon(':/static/import.png'), '导入变量')
        self.importVarButton.setObjectName('importBtn')
        self.importVarButton.setIconSize(QSize(22, 22))
        self.importVarButton.setFlat(True)
        self.importVarButton.clicked.connect(self.loadVar)
        self.varManageTabWidget.setCornerWidget(self.importVarButton)

     

        self.rightWidget.addWidget(self.varManageTabWidget)
        self.rightWidget.addWidget(self.trendWidget)
        self.rightWidget.addWidget(self.userWidget)
        self.rightWidget.addWidget(self.SettingWidget)
        self.rightWidget.addWidget(self.procedureManagerWidget)
        self.rightWidget.widget(1)

        self.leftWidget.createProject.clicked.connect(lambda: self.exButtonClicked(0))
        self.leftWidget.varMag.clicked.connect(self.varShow)
        self.leftWidget.trendMag.clicked.connect(self.reFreshTrendWidget)
        self.leftWidget.userMag.clicked.connect(lambda: self.exButtonClicked(3))
        self.leftWidget.protocolMag.clicked.connect(self.showSetting)
        self.leftWidget.procedureMag.clicked.connect(lambda: self.initProcedureDB())

        self.setCentralWidget(self.centralwidget)
        self.setWindowOpacity(0.995) # 设置窗口透明度

        self.topWidget = MainTop(self)
        self.topWidget.setObjectName('topWidget')

        self.verticalLayout = QtWidgets.QVBoxLayout(self.centralwidget)
        self.horizontalLayout = QtWidgets.QHBoxLayout()
        self.horizontalLayout.setObjectName("horizontalLayout")
        self.verticalLayout.setObjectName("verticalLayout")

        self.horizontalLayout.addWidget(self.leftWidget)
        self.horizontalLayout.addWidget(self.rightWidget)
        self.horizontalLayout.setStretch(0, 1)
        self.horizontalLayout.setStretch(1, 7)
        self.horizontalLayout.setContentsMargins(0, 0, 0, 0)
        self.horizontalLayout.setSpacing(5)
        self.verticalLayout.setContentsMargins(0, 0, 0, 0)
        self.verticalLayout.addWidget(self.topWidget)
        self.verticalLayout.addLayout(self.horizontalLayout)
        self.verticalLayout.setStretch(0, 1)
        self.verticalLayout.setStretch(1, 18)
        self.verticalLayout.setSpacing(0)

        # self.setAttribute(Qt.WA_TranslucentBackground) # 设置窗口背景透明
        self.setWindowFlag(Qt.FramelessWindowHint)

    def exButtonClicked(self, index):
        if Globals.getValue('currentPro') == -1 and index not in [0, 3]:
            return -1
        print(index, Globals.getValue('currentPro'))
        self.rightWidget.setCurrentIndex(index)


    def showSetting(self):
        if Globals.getValue('currentPro') == -1:
            return
        self.SettingWidget.setupUI()
        self.rightWidget.setCurrentIndex(4)


    def varShow(self):
        self.exButtonClicked(1)
        Globals.setValue('SearchWidget', 1)
  
    
    def reFreshTrendWidget(self):
        if Globals.getValue('currentPro') == -1:
            return
        self.trendWidget.getMems()
        self.exButtonClicked(2)
    
    def initProcedureDB(self):
        if Globals.getValue('currentPro') == -1:
            return
        self.procedureManagerWidget.initDB()
        self.procedureManagerWidget.initUI()
        self.exButtonClicked(5)
        
    def loadVar(self):
        pass

    def enum(self,**enums): 
        return type('Enum', (), enums) 
     
    def region(self,cursorGlobalPoint): 
        #获取窗体在屏幕上的位置区域，tl为topleft点，rb为rightbottom点 
        rect = self.rect() 
        tl = self.mapToGlobal(rect.topLeft()) 
        rb = self.mapToGlobal(rect.bottomRight()) 
     
        x = cursorGlobalPoint.x() 
        y = cursorGlobalPoint.y() 
     
        if(tl.x() + self.padding >= x and tl.x() <= x and tl.y() + self.padding >= y and tl.y() <= y): 
          #左上角 
            self.dir = self.Numbers.LEFTTOP 
            self.setCursor(QCursor(Qt.SizeFDiagCursor))  #设置鼠标形状 
        elif(x >= rb.x() - self.padding and x <= rb.x() and y >= rb.y() - self.padding and y <= rb.y()): 
          #右下角 
            self.dir = self.Numbers.RIGHTBOTTOM 
            self.setCursor(QCursor(Qt.SizeFDiagCursor)) 
        elif(x <= tl.x() + self.padding and x >= tl.x() and y >= rb.y() - self.padding and y <= rb.y()): 
          #左下角 
            self.dir = self.Numbers.LEFTBOTTOM 
            self.setCursor(QCursor(Qt.SizeBDiagCursor)) 
        elif(x <= rb.x() and x >= rb.x() - self.padding and y >= tl.y() and y <= tl.y() + self.padding): 
          #右上角 
            self.dir = self.Numbers.RIGHTTOP 
            self.setCursor(QCursor(Qt.SizeBDiagCursor)) 
        elif(x <= tl.x() + self.padding and x >= tl.x()): 
          #左边 
            self.dir = self.Numbers.LEFT 
            self.setCursor(QCursor(Qt.SizeHorCursor)) 
        elif( x <= rb.x() and x >= rb.x() - self.padding): 
          #右边 
     
            self.dir = self.Numbers.RIGHT 
            self.setCursor(QCursor(Qt.SizeHorCursor)) 
        elif(y >= tl.y() and y <= tl.y() + self.padding): 
          #上边 
            self.dir = self.Numbers.UP 
            self.setCursor(QCursor(Qt.SizeVerCursor)) 
        elif(y <= rb.y() and y >= rb.y() - self.padding): 
          #下边 
            self.dir = self.Numbers.DOWN 
            self.setCursor(QCursor(Qt.SizeVerCursor)) 
        else: 
          #默认 
            self.dir = self.Numbers.NONE 
            self.setCursor(QCursor(Qt.ArrowCursor)) 
     
    def mouseReleaseEvent(self,event): 
        if(event.button() == Qt.LeftButton): 
            self.isLeftPressDown = False 
            if(self.dir != self.Numbers.NONE): 
                self.releaseMouse() 
                self.setCursor(QCursor(Qt.ArrowCursor)) 
     
    def mousePressEvent(self,event): 
        if(event.button()==Qt.LeftButton): 
            self.isLeftPressDown=True 
            if(self.dir != self.Numbers.NONE): 
                self.mouseGrabber() 
            else: 
                self.dragPosition = event.globalPos() - self.frameGeometry().topLeft() 
 
    def mouseMoveEvent(self,event): 
        gloPoint = event.globalPos() 
        rect = self.rect() 
        tl = self.mapToGlobal(rect.topLeft()) 
        rb = self.mapToGlobal(rect.bottomRight()) 
     
        if(not self.isLeftPressDown): 
          self.region(gloPoint)  
        else: 
            if(self.dir != self.Numbers.NONE): 
                rmove=QRect(tl, rb) 
                if(self.dir==self.Numbers.LEFT): 
                    if(rb.x() - gloPoint.x() <= self.minimumWidth()): 
                        rmove.setX(tl.x()) 
                    else: 
                        rmove.setX(gloPoint.x()) 
                elif(self.dir==self.Numbers.RIGHT): 
                    rmove.setWidth(gloPoint.x() - tl.x()) 
                elif(self.dir==self.Numbers.UP): 
                    if(rb.y() - gloPoint.y() <= self.minimumHeight()): 
                        rmove.setY(tl.y()) 
                    else: 
                        rmove.setY(gloPoint.y()) 
                elif(self.dir==self.Numbers.DOWN): 
                    rmove.setHeight(gloPoint.y() - tl.y()) 
                elif(self.dir==self.Numbers.LEFTTOP): 
                    if(rb.x() - gloPoint.x() <= self.minimumWidth()): 
                        rmove.setX(tl.x()) 
                    else: 
                        rmove.setX(gloPoint.x()) 
                    if(rb.y() - gloPoint.y() <= self.minimumHeight()): 
                        rmove.setY(tl.y()) 
                    else: 
                        rmove.setY(gloPoint.y()) 
                elif(self.dir==self.Numbers.RIGHTTOP): 
                    rmove.setWidth(gloPoint.x() - tl.x()) 
                    rmove.setY(gloPoint.y()) 
                elif(self.dir==self.Numbers.LEFTBOTTOM): 
                    rmove.setX(gloPoint.x()) 
                    rmove.setHeight(gloPoint.y() - tl.y()) 
                elif(self.dir==self.Numbers.RIGHTBOTTOM): 
                    rmove.setWidth(gloPoint.x() - tl.x()) 
                    rmove.setHeight(gloPoint.y() - tl.y()) 
                else: 
                    pass 
                self.setGeometry(rmove) 
            else: 
                self.move(event.globalPos() - self.dragPosition) 
                event.accept() 

    def nativeEvent(self, eventType, message):
        """ 接受windows发送的信息 """
        msg = MSG.from_address(message.__int__())
        if msg.message == win32con.WM_NCHITTEST:
            # 解决 issue #2 and issue #7
            r = self.devicePixelRatioF()
            xPos = (win32api.LOWORD(msg.lParam) -
                    self.frameGeometry().x()*r) % 65536
            yPos = win32api.HIWORD(msg.lParam) - self.frameGeometry().y()*r
            w, h = self.width()*r, self.height()*r
            lx = xPos < self.BORDER_WIDTH
            rx = xPos + 9 > w - self.BORDER_WIDTH
            ty = yPos < self.BORDER_WIDTH
            by = yPos > h - self.BORDER_WIDTH
            if lx and ty:
                return True, win32con.HTTOPLEFT
            elif rx and by:
                return True, win32con.HTBOTTOMRIGHT
            elif rx and ty:
                return True, win32con.HTTOPRIGHT
            elif lx and by:
                return True, win32con.HTBOTTOMLEFT
            elif ty:
                return True, win32con.HTTOP
            elif by:
                return True, win32con.HTBOTTOM
            elif lx:
                return True, win32con.HTLEFT
            elif rx:
                return True, win32con.HTRIGHT
        elif msg.message == win32con.WM_NCCALCSIZE:
            if self.__isWindowMaximized(msg.hWnd):
                self.__monitorNCCALCSIZE(msg)
            return True, 0
        elif msg.message == win32con.WM_GETMINMAXINFO:
            if self.__isWindowMaximized(msg.hWnd):
                window_rect = win32gui.GetWindowRect(msg.hWnd)
                if not window_rect:
                    return False, 0

                # get the monitor handle
                monitor = win32api.MonitorFromRect(window_rect)
                if not monitor:
                    return False, 0

                # get the monitor info
                __monitorInfo = win32api.GetMonitorInfo(monitor)
                monitor_rect = __monitorInfo['Monitor']
                work_area = __monitorInfo['Work']

                # convert lParam to MINMAXINFO pointer
                info = cast(msg.lParam, POINTER(MINMAXINFO)).contents

                # adjust the size of window
                info.ptMaxSize.x = work_area[2] - work_area[0]
                info.ptMaxSize.y = work_area[3] - work_area[1]
                info.ptMaxTrackSize.x = info.ptMaxSize.x
                info.ptMaxTrackSize.y = info.ptMaxSize.y

                # modify the upper left coordinate
                info.ptMaxPosition.x = abs(window_rect[0] - monitor_rect[0])
                info.ptMaxPosition.y = abs(window_rect[1] - monitor_rect[1])
                return True, 1

        return QWidget.nativeEvent(self, eventType, message)


    def __isWindowMaximized(self, hWnd) -> bool:
        """ Determine whether the window is maximized """
        # GetWindowPlacement() returns the display state of the window and the restored,
        # maximized and minimized window position. The return value is tuple
        windowPlacement = win32gui.GetWindowPlacement(hWnd)
        if not windowPlacement:
            return False

        return windowPlacement[1] == win32con.SW_MAXIMIZE

    def __monitorNCCALCSIZE(self, msg: MSG):
        """ 调整窗口大小 """
        monitor = win32api.MonitorFromWindow(msg.hWnd)

        # If the display information is not saved, return directly
        if monitor is None and not self.__monitorInfo:
            return
        elif monitor is not None:
            self.__monitorInfo = win32api.GetMonitorInfo(monitor)

        # adjust the size of window
        params = cast(msg.lParam, POINTER(NCCALCSIZE_PARAMS)).contents
        params.rgrc[0].left = self.__monitorInfo['Work'][0]
        params.rgrc[0].top = self.__monitorInfo['Work'][1]
        params.rgrc[0].right = self.__monitorInfo['Work'][2]
        params.rgrc[0].bottom = self.__monitorInfo['Work'][3]

    def __onScreenChanged(self):
        hWnd = int(self.windowHandle().winId())
        win32gui.SetWindowPos(hWnd, None, 0, 0, 0, 0, win32con.SWP_NOMOVE |
                              win32con.SWP_NOSIZE | win32con.SWP_FRAMECHANGED)

    def closeEvent(self, event):
        reply = QMessageBox.question(self,
                                     'Quit',
                                     "是否要退出程序？",
                                     QMessageBox.Yes | QMessageBox.No,
                                     QMessageBox.No)
        if reply == QMessageBox.Yes:
            try:
                Client.close()
            except:
                pass
            event.accept()
        else:
            event.ignore()



if __name__ == '__main__':
    app = QApplication(sys.argv)
    app.setStyle(QtWidgets.QStyleFactory.create('Fusion'))
    app.setStyleSheet(CommonHelper.readQss('static/main.qss'))
    # print(QtWidgets.QStyleFactory.keys())
    ex = MainWindow()
    ex.show()
    sys.exit(app.exec_())