Tkinter tkMessageBox problem - message box is displayed with an additional window

[dudeja.rajat at gmail.com]

On Thu, Aug 28, 2008 at 3:54 PM, Guilherme Polo <ggpolo at gmail.com> wrote:
> On Thu, Aug 28, 2008 at 10:29 AM,  <dudeja.rajat at gmail.com> wrote:
>> Hi,
>> I'm working on Windows Platform
>>
>> I'm facing some problem with the tkMessageBox. My code is as below:
>>
>> import tkMessageBox
>> import Tix
>> from Tkinter import *
>>
>> if len(installedLibPath) != len(listOfLibraries):
>>        if tkMessageBox.askyesno("Question", \
>>                                 type='yesno', icon='warning', \
>>                                 message="Some of the libraries are
>> not installed. Do you wish to continue with the remaining?"):
>>        myRoot = Tix.Tk()
>>        myAppGUIObject = myAppGUI(myRoot)    #Class for my GUI
>>        myRoot.mainloop()
>> else:
>>        sys.exit(0)
>>
>
> It is good to post a short code sample that demonstrates the problem,
> but it has to run by itself at least.
>
>>
>> The Message Box is called before the Tix.Tk mainloop(). The problems
>> are as under :
>>
>> 1. Since the message box is displayed before the mainloop() is
>> started, the message box is displayed with another window that is
>> blank. This should not be displayed.
>>
>> 2. As a results of this messagebox (called before the mainloop) the
>> original Gui started by mainloop doesnot work as desired. Some of the
>> checkbuttons are displayed as unset (i.e un-ticked). These
>> checkbuttons used to be set at initialization before I stared using
>> this messagebox.
>
> tkMessageBox blocks till you finish it, maybe that is what is causing
> your problem but it is hard to tell what you are doing wrong in that
> myAppGui without seeing it (preferably reduced code demonstrating the
> problem).
>
> Now.. an attempt to solve your problem. Tk always has a root window
> going on, so that "another window" is inevitable, but you can hide and
> show it again when needed. You could do something like this:
>
> import tkMessageBox
> import Tkinter
>
> class App(object):
>    def __init__(self, master):
>        self.master = master
>        print "tkMessageBox is gone now"
>
> root = Tkinter.Tk()
> root.withdraw()
> tkMessageBox.askyesno("Question", message="Do you use Python?",
>    type='yesno', icon='warning', master=root)
> root.deiconify()
>
> app = App(root)
> root.mainloop()
>
>>
>>
>> Please help.
>>
>> Thanks and regards,
>> Rajat
>> --
>> Regrads,
>> Rajat
>> --
>> http://mail.python.org/mailman/listinfo/python-list
>>
>
>
>
> --
> -- Guilherme H. Polo Goncalves
>

Thanks Guilherme, your suggestion helped solve the problem.

-- 
Regards,
Rajat