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Groups > comp.lang.c++ > #68327

Re: Action/logic inside or outside the Windows class?

From Paavo Helde <myfirstname@osa.pri.ee>
Newsgroups comp.lang.c++
Subject Re: Action/logic inside or outside the Windows class?
Date 2019-09-11 18:22 +0300
Organization A noiseless patient Spider
Message-ID <qlb3ff$e8j$1@dont-email.me> (permalink)
References <Jb4eF.975226$dw4.193344@fx12.am4>

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On 11.09.2019 13:41, JiiPee wrote:
> I know this is not Windows programming forum, but because I think this
> is more like a C++ expertise question (and not Windows) I ask here.
>
> So lets say I have a window where I show text after some mouse click. A
> naive program, but just to keep it simple.
> The question is that should I have only windows-related code in the
> Window class and create another class dealing
> with the logic of the program?

In general, yes, in the Window class you should have only 
windows-related logic.

Another way to think about that is that you want to put all your program 
logic under unit tests control anyway. Simulating mouse clicks for unit 
testing might not be so simple and would mix up testing the GUI and the 
program logic, so most of the program should be testable without GUI.

So ideally you should first write your program logic classes together 
with unit tests. Once the functionality is working and the tests are 
passing, only then start adding windows related classes to expose this 
functionality in GUI. Refactor, rinse and repeat as needed, unit tests 
are now there and holding the functionality intact.

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Thread

Action/logic inside or outside the Windows class? JiiPee <no@notvalid.com> - 2019-09-11 11:41 +0100
  Re: Action/logic inside or outside the Windows class? Öö Tiib <ootiib@hot.ee> - 2019-09-11 06:45 -0700
    Re: Action/logic inside or outside the Windows class? JiiPee <no@notvalid.com> - 2019-09-11 15:28 +0100
      Re: Action/logic inside or outside the Windows class? Öö Tiib <ootiib@hot.ee> - 2019-09-12 01:05 -0700
    Re: Action/logic inside or outside the Windows class? JiiPee <no@notvalid.com> - 2019-09-11 15:45 +0100
    Re: Action/logic inside or outside the Windows class? JiiPee <no@notvalid.com> - 2019-09-11 15:53 +0100
      Re: Action/logic inside or outside the Windows class? JiiPee <no@notvalid.com> - 2019-09-11 15:58 +0100
  Re: Action/logic inside or outside the Windows class? Paavo Helde <myfirstname@osa.pri.ee> - 2019-09-11 18:22 +0300
    Re: Action/logic inside or outside the Windows class? JiiPee <no@notvalid.com> - 2019-09-11 16:45 +0100
      Re: Action/logic inside or outside the Windows class? Paavo Helde <myfirstname@osa.pri.ee> - 2019-09-11 19:12 +0300
        Re: Action/logic inside or outside the Windows class? JiiPee <no@notvalid.com> - 2019-09-11 17:51 +0100
          Re: Action/logic inside or outside the Windows class? red floyd <dont.bother@its.invalid> - 2019-09-11 09:56 -0700
            Re: Action/logic inside or outside the Windows class? JiiPee <no@notvalid.com> - 2019-09-11 19:42 +0100
          Re: Action/logic inside or outside the Windows class? Paavo Helde <myfirstname@osa.pri.ee> - 2019-09-11 20:24 +0300
            Re: Action/logic inside or outside the Windows class? JiiPee <no@notvalid.com> - 2019-09-11 19:42 +0100

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