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#coding:utf-8
##########################################
#Author:rswofnd
#Vision:1.0
#DateTime:2012-6-7
##########################################
import sys
reload(sys)
sys.setdefaultencoding(‘utf-8‘)
import sys,os,datetime
from PyQt4 import QtGui, QtCore
from PyQt4.QtCore import Qt,QTimer, QTime
############################################
#初始化Qt界面及行为
#向第三方类及模块暴露API接口
class SmartDemon(QtGui.QWidget):
"""
docstring for SmartDemon(精灵)
"""
def __init__(self,side):
super(SmartDemon, self).__init__()
self.side = side
self.w = (self.side-20)/8
self.initui()
self.handleChange()
self.init_Plugins()
self.timer = QTimer()
self.timer.timeout.connect(self.update)
self.timer.start(100)
self.show()
def initui(self):
"""
初始化UI界面
"""
self.setGeometry(300,300,self.side,self.side)
self.popMenu()
sizeGrip=QtGui.QSizeGrip(self)
self.setWindowFlags(Qt.FramelessWindowHint|Qt.WindowStaysOnTopHint|Qt.SubWindow|Qt.WA_Moved)
self.trans=False #True?
self.set_transparency(True) #设置窗口透明
def popMenu(self):
"""
定义弹出菜单
"""
setupAction = QtGui.QAction(QtGui.QIcon(‘SetUp.png‘), ‘&SetUp‘, self) #定义动作抽象
setupAction.triggered.connect(self.setUp)
quitAction = QtGui.QAction( ‘Quit‘, self)
quitAction.triggered.connect(QtGui.qApp.quit)
self.popMenu= QtGui.QMenu() #定义右键弹出菜单
self.popMenu.addAction(setupAction)
self.popMenu.addAction(quitAction)
self.rightButton=False
def set_transparency(self, enabled):
"""
窗口透明度显示实现
"""
if enabled:
self.setAttribute(Qt.WA_Moved, True)
self.setAutoFillBackground(False)
else:
self.setAttribute(Qt.WA_NoSystemBackground, False)
# 下面这种方式好像不行
# pal=QtGui.QPalette()
# pal.setColor(QtGui.QPalette.Background, QColor(127, 127,10,120))
# self.setPalette(pal)
self.setAttribute(Qt.WA_TranslucentBackground, enabled)
self.update()
# self.repaint() no better than self.update()
def resizeEvent(self,e):
"""
重新实现尺寸拖拽事件
"""
self.handleChange()
def handleChange(self):
"""
改变控件大小
"""
self.side = min(self.width(), self.height())
self.w = (self.side-20)/8
def mouseReleaseEvent(self,e):
"""
鼠标释放事件
"""
if self.rightButton == True:
self.rightButton=False
self.popMenu.popup(e.globalPos())
def mouseMoveEvent(self, e):
"""
鼠标移动事件
"""
if e.buttons() & Qt.LeftButton:
self.move(e.globalPos()-self.dragPos)
e.accept()
def mousePressEvent(self, e):
"""
鼠标按下事件
"""
if e.button() == Qt.LeftButton:
self.dragPos=e.globalPos()-self.frameGeometry().topLeft()
e.accept()
if e.button() == Qt.RightButton and self.rightButton == False:
self.rightButton=True
def closeEvent(self,event):
"""
应用于窗口关闭弹出菜单
是对系统默认关闭事件的‘重新实现’
"""
reply = QtGui.QMessageBox.question(self,‘Message‘,‘sure to quit?‘,
QtGui.QMessageBox.Yes|QtGui.QMessageBox.No,QtGui.QMessageBox.No)
if reply==QtGui.QMessageBox.Yes:
event.accept()
else:
event.ignore()
def paintEvent(self,event):
"""
重新实现组件绘制事件
"""
qp = QtGui.QPainter()
#################################
#时钟API接口
timeAPI = TimeM(0,0,0)
self.h = timeAPI.hour
self.m = timeAPI.minute
self.s = timeAPI.second
self.ms = timeAPI.m_second
#时，分，秒显示
self.hour = -((15.0 * ((self.h + self.m/ 60.0)))*16)
self.minute = -((6.0 * (self.m + ((self.s+self.ms/1000)/ 60.0)))*16)
self.second = -(6.0*(self.s+float(self.ms)/1000)*16)
qp.begin(self)
#开始绘制
qp.setRenderHint(QtGui.QPainter.Antialiasing) #开启抗锯齿
pen = QtGui.QPen(QtGui.QColor(112,166,18),self.w*0.382,QtCore.Qt.SolidLine)
qp.setPen(pen) #设置画笔颜色，粗细和线型
qp.drawArc((10+self.w),(10+self.w),(self.side-2*(10+self.w)),(self.side-2*(10+self.w)),90*16,self.second) #绘制弧线段，x,y,w,h,a,alen
pen = QtGui.QPen(QtGui.QColor(34,113,204),self.w*0.618,QtCore.Qt.SolidLine)
qp.setPen(pen) #设置画笔颜色，粗细和线型
qp.drawArc((10+2*self.w),(10+2*self.w),(self.side-2*(10+2*self.w)),(self.side-2*(10+2*self.w)),90*16,self.minute) #绘制弧线段，x,y,w,h,a,alen
pen = QtGui.QPen(QtGui.QColor(219,92,29),self.w*0.382,QtCore.Qt.SolidLine)
qp.setPen(pen) #设置画笔颜色，粗细和线型
qp.drawArc((10+3*self.w),(10+3*self.w),(self.side-2*(10+3*self.w)),(self.side-2*(10+3*self.w)),90*16,self.hour) #绘制弧线段，x,y,w,h,a,alen
#结束绘制
qp.end()
def setUp(self):
"""
定时，任务，插件等参数设置
"""
pass
def init_Plugins(self):
"""
自动加载插件
管理和运行插件
"""
self.plugin = Platform()
self.plugins = self.plugin.plugins
for x in self.plugins:
Action = QtGui.QAction(QtGui.QIcon(‘Action.png‘),x, self)
Action.triggered.connect(self.plugin.runPlugin)
self.popMenu.addAction(Action)
########################################
#时钟类
#向主类提供时钟API接口
class TimeM(object):
"""
docstring for TimeM
"""
def __init__(self,count_h,count_m,count_s):
super(TimeM, self).__init__()
self.year = 0
self.month = 0
self.day = 0
self.wday = 0
self.yday = 0
self.hour = 0
self.minute = 0
self.second = 0
self.m_second = 0
self.c_h = count_h
self.c_m = count_m
self.c_s = count_s
self.do_What()
def do_What(self):
if (self.c_h==0 and self.c_m==0 and self.c_s==0):
self.now()
else:
self.counter()
def now(self):
t = datetime.datetime.now()
self.year = t.year
self.month = t.month
self.day = t.day
self.hour = t.hour
self.minute = t.minute
self.second = t.second
self.m_second = t.microsecond/1000
self.wday = t.isoweekday()
self.str_time = t.strftime(‘%Y-%m-%d %H:%M:%S‘)
def counter(self):
pass
#######################################
#插件平台
#提供插件API接口
class Platform(SmartDemon):
"""
调用plugins目录下非Zip插件包
该目录下必须包含一个__init__.py空文件和相关插件模块
"""
def __init__(self):
self.plugins=[]
self.loadPlugins()
def sayHello(self, from_):
print "hello from %s." % from_
def sayGoodbye(self, from_):
print "goodbye from %s." % from_
def loadPlugins(self):
for filename in os.listdir("plugins"):
if not filename.endswith(".py") or filename.startswith("_"):
continue
self.plugins.append(filename) #添加插件列表
def runPlugin(self, filename):
pluginName=os.path.splitext(filename)[0]
plugin=__import__("plugins."+pluginName, fromlist=[pluginName])
clazz=plugin.getPluginClass()
o=clazz()
o.setPlatform(self)
o.start() #运行插件start()函数
def shutdown(self):
for o in self.plugins:
o.stop() #运行插件stop()函数
o.setPlatform(None)
self.plugins=[] #清空插件列表
#############################################
#模块入口主函数
def main_demon():
app = QtGui.QApplication(sys.argv)
demon = SmartDemon(100)
sys.exit(app.exec_())
#############################################
#测试代码
if __name__ == ‘__main__‘:
main_demon()
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原文地址：http://www.cnblogs.com/mhxy13867806343/p/4201479.html
