import sys
import wx
import wx.lib.infoframe
#----------------------------------------------------------------------
class MyFrame(wx.Frame):
def __init__(self, output):
wx.Frame.__init__(self, None, -1, "Close me...", size=(300,100))
menubar = wx.MenuBar()
# Output menu
menu = wx.Menu()
# Enable output menu item
mID = wx.NewId()
menu.Append(mID, "&Enable output", "Display output frame")
self.Bind(wx.EVT_MENU, output.EnableOutput, id=mID)
# Disable output menu item
mID = wx.NewId()
menu.Append(mID, "&Disable output", "Close output frame")
self.Bind(wx.EVT_MENU, output.DisableOutput, id=mID)
# Attach the menu to our menu bar
menubar.Append(menu, "&Output")
# Attach menu bar to frame
self.SetMenuBar(menubar)
# Point to ourselves as the output object's parent.
output.SetParent(self)
# Associate menu bar with output object
output.SetOtherMenuBar(menubar, menuname="Output")
self.Bind(wx.EVT_CLOSE, self.OnClose)
# We're going to set up a timer; set up an event handler for it.
self.Bind(wx.EVT_TIMER, self.OnTimer)
# Set up a timer for demo purposes
self.timer = wx.Timer(self, -1)
self.timer.Start(1000)
# Get a copy of stdout and set it aside. We'll use it later.
self.save_stdout = sys.stdout
# Now point to the output object for stdout
sys.stdout = self.output = output
# ... and use it.
print "Hello!"
def OnClose(self,event):
# We stored a pointer to the original stdout above in .__init__(), and
# here we restore it before closing the window.
sys.stdout = self.save_stdout
# Clean up
self.output.close()
self.timer.Stop()
self.timer = None
self.Destroy()
# Event handler for timer events.
def OnTimer(self, evt):
print "This was printed with \"print\""
#----------------------------------------------------------------------
overview = wx.lib.infoframe.__doc__
def runTest(frame, nb, log):
"""
This method is used by the wxPython Demo Framework for integrating
this demo with the rest.
"""
win = MyFrame(wx.lib.infoframe.PyInformationalMessagesFrame())
frame.otherWin = win
win.Show(1)
#----------------------------------------------------------------------
if __name__ == "__main__":
## class MyFrame(wxFrame):
## def __init__(self,output):
## wxFrame.__init__(self,None,-1,"Close me...",size=(300,100))
## EVT_CLOSE(self,self.OnClose)
## menubar = wxMenuBar()
## menu = wxMenu()
## mID = wxNewId()
## menu.Append(mID,"&Enable output","Display output frame")
## EVT_MENU(self,mID,output.EnableOutput)
## mID = wxNewId()
## menu.Append(mID,"&Disable output","Close output frame")
## EVT_MENU(self,mID,output.DisableOutput)
## menubar.Append(menu,"&Output")
## self.SetMenuBar(menubar)
## output.SetOtherMenuBar(menubar,menuname="Output")
## def OnClose(self,event):
## if isinstance(sys.stdout,wx.lib.infoframe.PyInformationalMessagesFrame):
## sys.stdout.close()
## self.Destroy()
class MyApp(wx.App):
# Override the default output window and point it to the
# custom class.
outputWindowClass = wx.lib.infoframe.PyInformationalMessagesFrame
def OnInit(self):
# At this point, we should probably check to see if self.stdioWin
# is actually pointed to something. By default, wx.App() sets this
# attribute to None. This causes problems when setting up the menus
# in MyFrame() above. On the other hand, since there's little that
# can be done at this point, you might be better served putting
# an error handler directly into MyFrame().
#
# That's in practice. In the case of this demo, the whole point
# of the exercise is to demonstrate the window, so we're being
# just a little lazy for clarity's sake. But do be careful in
# a 'real world' implementation :-)
frame = MyFrame(self.stdioWin)
frame.Show(True)
self.SetTopWindow(frame)
# Associate the frame with stdout.
if isinstance(sys.stdout, wx.lib.infoframe.PyInformationalMessagesFrame):
sys.stdout.SetParent(frame)
print "Starting.\n",
return True
# *extremely important*
#
# In this demo, if the redirect flag is set to False, the infoframe will not
# be created or used. All output will go to the default stdout, which in this
# case will cause the app to throw an exception. In a real app, you should
# probably plan ahead and add a check before forging ahead. See suggestion above.
app = MyApp(True)
app.MainLoop()
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