def __init__(self, mainEngine, eventEngine):
"""Constructor"""
super(MainWindow, self).__init__()
self.mainEngine = mainEngine
self.eventEngine = eventEngine
self.drEngine = DrEngine(mainEngine, mainEngine.eventEngine)
self.initUi()
class MainWindow(QtGui.QMainWindow):
"""
类名称：MainWindow
类描述：客户端主界面窗口
创建人：freeitaly
"""
#----------------------------------------------------------------------
def __init__(self, mainEngine, eventEngine):
"""Constructor"""
super(MainWindow, self).__init__()
self.mainEngine = mainEngine
self.eventEngine = eventEngine
self.drEngine = DrEngine(mainEngine, mainEngine.eventEngine)
self.initUi()
#----------------------------------------------------------------------
def initUi(self):
"""初始化界面"""
self.setWindowTitle(u'期货Tick@Min数据存储、订阅')
self.initCentral()
self.initMenu()
self.initStatusBar()
#----------------------------------------------------------------------
def initCentral(self):
"""初始化中心区域"""
dr_M = DrEngineManager(self.drEngine, self.eventEngine)
vBox = QtGui.QVBoxLayout()
vBox.addWidget(dr_M)
central = QtGui.QWidget()
central.setLayout(vBox)
self.setCentralWidget(central)
#----------------------------------------------------------------------
def initMenu(self):
"""初始化菜单"""
# 创建操作
exitAction = QtGui.QAction(u'退出', self)
exitAction.triggered.connect(self.close)
# aboutAction = QtGui.QAction(u'关于', self)
# aboutAction.triggered.connect(self.openAbout)
# 创建菜单
menubar = self.menuBar()
sysMenu = menubar.addMenu(u'系统')
sysMenu.addAction(exitAction)
# helpMenu = menubar.addMenu(u'帮助')
# helpMenu.addAction(aboutAction)
#----------------------------------------------------------------------
def initStatusBar(self):
"""初始化状态栏"""
self.statusLabel = QtGui.QLabel()
self.statusLabel.setAlignment(QtCore.Qt.AlignLeft)
self.statusBar().addPermanentWidget(self.statusLabel)
self.statusLabel.setText(self.getCpuMemory())
self.sbCount = 0
self.sbTrigger = 10 # 10秒刷新一次
#----------------------------------------------------------------------
def updateStatusBar(self, event):
"""在状态栏更新CPU和内存信息"""
self.sbCount += 1
if self.sbCount == self.sbTrigger:
self.sbCount = 0
self.statusLabel.setText(self.getCpuMemory())
#----------------------------------------------------------------------
def getCpuMemory(self):
"""获取CPU和内存状态信息"""
cpuPercent = psutil.cpu_percent()
memoryPercent = psutil.virtual_memory().percent
return u'CPU使用率：%d%% 内存使用率：%d%% ' % (cpuPercent, memoryPercent)
#----------------------------------------------------------------------
#----------------------------------------------------------------------
def closeEvent(self, event):
"""关闭事件"""
reply = QtGui.QMessageBox.question(self, u'退出',
u'确认退出?', QtGui.QMessageBox.Yes |
QtGui.QMessageBox.No, QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
self.mainEngine.exit()
self.drEngine.stop()
self.drEngine.stopAll()
event.accept()
else:
event.ignore()
