Until now I had the scrollbar working which is not very elegant vs the Mouse
Wheel or middle mouse drag.
Everything started in a new application I was doing for RPi as a home server
that uses full screen
with no scrollbar and acts on gestures. But I wanted it general so that my
other programs could benefit of it.
What if I bind the toplevel on a static method of the ScrollFrame only once by
keeping a list of registered scrollframes,
and then I check if the hit location is inside any of the ScrollFrames.
Is there any fast method to see if a point event.x_root, y_root is inside a
widget or do I have to make the comparison
with the winfo_xxx() information
Thanks
Vasilis
________________________________________
From: Tkinter-discuss
[tkinter-discuss-bounces+vasilis.vlachoudis=cern...@python.org] on behalf of
Michael Lange [klappn...@web.de]
Sent: Wednesday, September 07, 2016 12:31
To: tkinter-discuss@python.org
Subject: Re: [Tkinter-discuss] Frame button binding
Hi,
On Wed, 7 Sep 2016 10:21:02 +0000
Vasilis Vlachoudis <vasilis.vlachou...@cern.ch> wrote:
> Thanks for the idea. It will make the code indeed odd.
> I was looking for a less intrusive method, something that I could
> easily replace the Frame() with ScrollFrame() in an existing application
> and everything should work.
I had the same problem quite a while ago; finally I decided that if I
want to scroll the frame I will just need to use the scrollbar ;)
I don't remember what exactly I tried back then, at least I can say if
there's an easy solution, then I did not find it.
>
> My approach with binding on the toplevel works only if I have only one
> ScrollFrame, but if I have more in the application then it doesn't.
Exactly, and possibly nested ScrolledFrames make it even worse.
> What happens if I bind more than once a certain event? Does Tk calls in
> chain all handlers or only the last one?
By default, with add=False , only the last binding should be active.
Regards
Michael
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