[Tkinter-discuss] tkFileDialog

[Paul Malherbe]

Hi Michael

Thanks. this does the trick for me.

Regards

Paul Malherbe


On 15/08/2013 20:58, Michael Lange wrote:
> On Tue, 30 Jul 2013 15:01:16 +0200
> Michael Lange <klappnase at web.de> wrote:
>
>> Hmm... the "center on screen" gimmick works only with the first dialog,
>> can someone fix that ;)
>> Anyway, unless we come up with something better, I'd classify this as
>> strictly "don't try this at home"-ish :)
> Just for the fun of it I've been playing with this for a few more minutes
> and finally found something that seems almost usable ;) 
> The trick seems to be that we must use a timer to make sure the geometry
> is set only after the dialog window shows up, which however causes an ugly
> "flashing" effect. Besides that this code snippet seems to work ok, the
> geometry is set to one third of the screen's width and height and the
> dialog is centered on the screen. 
>
> Regards
>
> Michael
>
> #################################################################
> from Tkinter import *
> import tkFileDialog
>
> root=Tk()
>
> def set_filedialog_geometry():
>     w, h = root.winfo_screenwidth(), root.winfo_screenheight()
>     w0, h0 = w / 3, h / 3
>     x, y = w / 2 - w0 / 2, h / 2 - h0 / 2
>     try:
>         root.tk.call('wm', 'geometry', '.__tk_filedialog',
>                         '%dx%d+%d+%d' % (w0, h0, x, y))
>     except TclError:
>         print('TclError')
>         #root.after(100, set_filedialog_geometry)
>
> def ask_open_filename(**kw):
>     root.after(100, set_filedialog_geometry)
>     tkFileDialog.askopenfilename(**kw)
>
> def ask_saveas_filename(**kw):
>     root.after(100, set_filedialog_geometry)
>     tkFileDialog.asksaveasfilename(**kw)
>
> def test1(ev):
>     ask_open_filename()
> def test2(ev):
>     ask_saveas_filename()
>
> root.bind('<F1>', test1)
> root.bind('<F2>', test2)
>
> root.mainloop()
>
>
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