Custom Controls → TaskBarIcon

时间：2007-04-18 来源：wxPhoenix

Overview = """\ A taskbar icon is an icon that appears in the 'system tray' and responds to mouse clicks, optionally with a tooltip above it to help provide information. Pay More Attention To Destroy-Operation Of TaskBarIcon! """
import wx
class TaskBarIcon(wx.TaskBarIcon): ID_Hello = wx.NewId()

def __init__(self, frame):

  wx.TaskBarIcon.__init__(self)
  self.frame = frame
  self.SetIcon(wx.Icon(name='wxWidgets.ico', type=wx.BITMAP_TYPE_ICO), 'TaskBarIcon!')

  self.Bind(wx.EVT_TASKBAR_LEFT_DCLICK, self.OnTaskBarLeftDClick)
  self.Bind(wx.EVT_MENU, self.OnHello, id=self.ID_Hello)


def OnTaskBarLeftDClick(self, event):
  if self.frame.IsIconized():
   self.frame.Iconize(False)
  if not self.frame.IsShown():
   self.frame.Show(True)
  self.frame.Raise()


def OnHello(self, event):
  wx.MessageBox('Hello From TaskBarIcon!', 'Prompt')


# override
def CreatePopupMenu(self):
  menu = wx.Menu()
  menu.Append(self.ID_Hello, 'Hello')
  return menu


class Frame(wx.Frame):

def __init__(
  self, parent=None, id=wx.ID_ANY, title='TaskBarIcon', pos=wx.DefaultPosition,
  size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE
  ):

  wx.Frame.__init__(self, parent, id, title, pos, size, style)
  # wx.Frame.SetIcon(wx.Icon('wxWidgets.ico', wx.BITMAP_TYPE_ICO))
  # The above line is invalid: method become callable after bounding to the instance
  self.SetIcon(wx.Icon('wxWidgets.ico', wx.BITMAP_TYPE_ICO))

  panel = wx.Panel(self, wx.ID_ANY)

  button = wx.Button(panel, wx.ID_ANY, 'Hide Frame', pos=(60, 60))
  self.Bind(wx.EVT_BUTTON, self.OnHide, button)
  # button = wx.Button(panel, wx.ID_ANY, 'Close', pos=(60, 100))
  # self.Bind(wx.EVT_BUTTON, self.OnClose, button)
  self.Bind(wx.EVT_CLOSE, self.OnClose)


  self.Bind(wx.EVT_ICONIZE, self.OnIconfiy) # What is the meaning?

  self.taskBarIcon = TaskBarIcon(self)

  sizer = wx.BoxSizer()
  sizer.Add(button, 0)
  panel.SetSizer(sizer)


def OnHide(self, event):
  self.Hide()


def OnIconfiy(self, event):
  wx.MessageBox('Frame has been iconized!', 'Prompt')
  event.Skip()

def OnClose(self, event):
  self.taskBarIcon.Destroy()
  self.Destroy()


def TestFrame():
app = wx.PySimpleApp()
frame = Frame(size=(640, 480))
frame.Centre()
frame.Show()
app.MainLoop()

if __name__ == '__main__':
TestFrame()