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wxpython实现LED计时器
#! /usr/bin/env python
#-*- encoding:UTF-8 -*-
##########################
#1.正向计时\逆计时\时钟
#2.使用sizer管理布局
##########################
import wx
import time
import wx.gizmos as gizmos
ICON_START = ‘|>‘
ICON_SUSPEND = ‘||‘
ICON_RESTART = ‘<|‘
TIMETOCOUNT = 40*60#四十分钟倒计时
class ClockWindow(wx.Window):
"""LED CLOCK"""
def __init__(self, parent=None, id=-1):
wx.Window.__init__(self, parent, id, size=(258,92))
#wx.Window.__init__(self, parent, id, size=sz)
self.parent = parent
self.Bind(wx.EVT_PAINT, self.OnPaint)
self.timer = wx.Timer(self)#创建定时器
self.Bind(wx.EVT_TIMER, self.OnTimer, self.timer)#绑定一个定时器事件
self.timeToCount = 0#累计秒数
w,h = self.GetClientSize()
#print w,h
#self.led = gizmos.LEDNumberCtrl(self, -1, (0,0), (200, 50), gizmos.LED_ALIGN_CENTER)
#self.led = gizmos.LEDNumberCtrl(self, -1, wx.DefaultPosition, wx.DefaultSize, gizmos.LED_ALIGN_CENTER)
self.led = gizmos.LEDNumberCtrl(self, -1, wx.DefaultPosition, (w-10,h-30), gizmos.LED_ALIGN_CENTER)
self.led.SetBackgroundColour("black")
self.led.SetForegroundColour("red")
#开始按钮
#self.startButton = wx.Button(self, id, label=ICON_START, size=(50,30),pos=(0,50))
self.startButton = wx.Button(self, id, label=ICON_START)
self.startButton.SetToolTip(wx.ToolTip(‘Start‘))
self.Bind(wx.EVT_BUTTON, self.OnStart, self.startButton)
#暂停按钮
#self.suspendButton = wx.Button(self, id, label=ICON_SUSPEND, size=(55,30), pos=(75,50))
self.suspendButton = wx.Button(self, id, label=ICON_SUSPEND)
self.suspendButton.SetToolTip(wx.ToolTip(‘Suspend‘))
self.Bind(wx.EVT_BUTTON, self.OnStop, self.suspendButton)
#重新开始按钮
#self.restartButton = wx.Button(self, id, label=ICON_RESTART, size=(55,30), pos=(146,50))
self.restartButton = wx.Button(self, id, label=ICON_RESTART)
self.restartButton.SetToolTip(wx.ToolTip(‘Restart‘))
self.Bind(wx.EVT_BUTTON, self.OnRestart, self.restartButton)
self.timeRadio = wx.RadioButton(self, -1, "时钟".decode(‘UTF-8‘), style=wx.RB_GROUP)
self.Bind(wx.EVT_RADIOBUTTON, self.OnRadio, self.timeRadio)
self.timerRadio = wx.RadioButton(self, -1, "正计时".decode(‘UTF-8‘))
self.Bind(wx.EVT_RADIOBUTTON, self.OnRadio, self.timerRadio)
self.timer_rRadio = wx.RadioButton(self, -1, "倒计时".decode(‘UTF-8‘))
self.Bind(wx.EVT_RADIOBUTTON, self.OnRadio, self.timer_rRadio)
#sizer
sizer = wx.GridBagSizer(hgap = 10, vgap = 10)
sizer.Add(self.led, pos=(0, 0), span=(1,3), flag=wx.EXPAND)
sizer.Add(self.startButton, pos=(1, 0), flag = wx.EXPAND)
sizer.Add(self.suspendButton, pos=(1, 1), flag = wx.EXPAND)
sizer.Add(self.restartButton, pos=(1, 2), flag = wx.EXPAND)
sizer.Add(self.timeRadio, pos=(2,0), flag=wx.ALIGN_CENTER)
sizer.Add(self.timerRadio, pos=(2,1), flag=wx.ALIGN_CENTER)
sizer.Add(self.timer_rRadio, pos=(2,2), flag=wx.ALIGN_CENTER)
self.SetSizer(sizer)
self.Fit()
self.IsSuspend = False
def OnTimer(self, evt):#显示时间事件处理函数
st = "00 00 00"
if self.timeRadio.GetValue():#显示时间
st = time.strftime(‘%H %M %S‘, time.localtime())
elif self.timerRadio.GetValue():#正向计时
self.timeToCount += 1
second = self.timeToCount
h = second / 3600
m = second / 60
s = second % 60
st = "%02d %02d %02d" %(h, m, s)
else:#逆向计时
self.timeToCount -= 1
second = self.timeToCount
if second <= 0:
self.timer.Stop()
dlg = wx.MessageDialog(None, "休息5分钟!".decode(‘UTF-8‘), "Message", wx.OK|wx.ICON_INFORMATION)
retCode = dlg.ShowModal()
h = second / 3600
m = second / 60
s = second % 60
st = "%02d %02d %02d" %(h, m, s)
self.led.SetValue(st)
def OnPaint(self, evt):
st = "%02d %02d %02d" %(0, 0, 0)
self.led.SetValue(st)
self.Fit()
def OnStart(self, evt):
if self.timeRadio.GetValue():#显示时间
self.startButton.Disable()
self.suspendButton.Disable()
self.restartButton.Disable()
elif self.timerRadio.GetValue():#正向计时
if self.IsSuspend:
self.suspendButton.Enable()
else:
self.timeToCount = 0
self.startButton.Disable()
self.restartButton.Enable()
self.suspendButton.Enable()
else:#逆向计时
if self.IsSuspend:
self.suspendButton.Enable()
else:
self.timeToCount = TIMETOCOUNT
self.restartButton.Enable()
self.suspendButton.Enable()
self.timer.Start(1000)
self.IsSuspend = False
def OnStop(self, evt):#suspend
if not self.IsSuspend:
self.startButton.Enable()
self.suspendButton.Disable()
self.timer.Stop()
self.IsSuspend = True
def OnRestart(self, evt):
if self.timerRadio.GetValue():#正向计时
if self.IsSuspend:
self.suspendButton.Enable()
else:
self.timeToCount = 0
self.startButton.Disable()
self.restartButton.Enable()
self.suspendButton.Enable()
else:#逆向计时
self.startButton.Disable()
self.suspendButton.Enable()
self.timeToCount = TIMETOCOUNT
self.timer.Start(1000)
self.IsSuspend = False
def OnRadio(self, evt):
self.timer.Stop()
self.led.SetValue("00 00 00")
self.startButton.Enable()
self.suspendButton.Disable()
self.restartButton.Disable()
self.IsSuspend = False
class ClockFrame(wx.Frame):
def __init__(self, parent =None, id=-1):
wx.Frame.__init__(self, parent, id, "LED v0.5", size=(300, 170))
self.SetMaxSize((300, 170))
self.SetMinSize((300, 170))
clockWindow = ClockWindow(self, id)
if __name__ == ‘__main__‘:
app = wx.PySimpleApp()
frame = ClockFrame()
frame.Show()
app.MainLoop()本文出自 “Ken” 博客，请务必保留此出处http://1099325.blog.51cto.com/1089325/1430434
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