On Feb 20, 2009, at 6:26 PM, Gary Chambers wrote:

> To be fair, there really isn't a well conceived command shortcut  
> framework
> that works with the browsers/OB.

>
> Something to add to the list, perhaps a nice Summer of Code project.

Yes if you mentor it I'm sure ESUG can finance one.
>
>
> ParagraphEditor is the root of all evil to start with...

yes
>
>
> Nevetheless, a simple preference for the new OB behaviour will  
> settle the
> argument for all in the meantime. Let's move on. OB is getting there  
> in
> terms of look and feel now.
>
> Regards, Gary
>
> ----- Original Message -----
> From: "Schwab,Wilhelm K" <[email protected]>
> To: <[email protected]>
> Sent: Friday, February 20, 2009 5:00 PM
> Subject: Re: [Pharo-project] Automatic focus on column upon moose  
> enter
>
>
> David,
>
> Keyboard up/down are events that can be translated into commands,  
> and then
> "fired" up the hierarchy.  It's been done this way for a long time.   
> Very
> few custom components are in actually needed.  Think of it as another
> incarnation (indeed literally in this case) of the old argument about
> composition vs. inheritance.  Inheritance is wonderful, but in this  
> case, it
> can/should be avoided.  Plugging code into the correct places in a  
> framework
> will avoid the need for the customized list.  That is not to say  
> that the OB
> lists are not needed - I do not know enough about them.  However, a  
> solid
> event/command framework would be hard pressed not to do the same  
> thing, only
> better.
>
> Commands serve a role somewhat like exceptions.  The problem/need is  
> noticed
> in one area, the message is put in the correct channel and reviewed  
> until
> somebody knows what to do with it.  The overhead is (Gary - disagree  
> if you
> feel the need) not so severe as with exceptions because it is a much  
> more
> focused task.
>
> As an example, control-t for tests: you might also want to fire the  
> same
> command from menus.  Doing what I advocate makes that trivial.   
> Dolphin does
> a great job of this kind of thing, right down to enabling/disabling  
> commands
> vs. individual widgets.
>
> This assumes that OB itself (as a top level component) take a role  
> in making
> all of this work.  But that's a good thing once you adapt to it.
>
> In response to an earlier comment you made: there is always another  
> way.
> Commands are the preferred one here - trust me.
>
> Bill
>
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of  
> David
> Röthlisberger
> Sent: Friday, February 20, 2009 11:25 AM
> To: [email protected]
> Subject: Re: [Pharo-project] Automatic focus on column upon moose  
> enter
>
> Hi Bill,
>
>> Commands are a decoupling that allow the GUI to control how things  
>> get
>> processed while allowing individual tools to control what happens  
>> when
>> commands are processed.  It's not direct, but it correct.
>
> I agree with you here.
> But see, this change is not really about commands. Alex gave you an  
> example
> where
> this change is useful in the context of commands. But this was not the
> motivating
> example for me to do this change, I was not even aware that it could  
> also be
> useful
> in Alex' scenario involving commands.
> The scenario I had in mind does not really employ commands at all,  
> but basic
> keyboard
> actions like key up, key down (see my first mail in this thread).  
> Maybe you
> can look
> at those as commands too, but the action they perform is certainly  
> dependent
> on the
> view in which they are meant to happen.
>
> So there is more behind this than just "easing" the execution of  
> commands.
>
> David
>
>
>> ----
>> Wilhelm K. Schwab, Ph.D.
>> bschwab AT anest DOT ufl DOT edu
>>
>> ________________________________________
>> From: [email protected]
>> [[email protected]] On Behalf Of David
>> Röthlisberger [[email protected]]
>> Sent: Friday, February 20, 2009 10:33 AM
>> To: [email protected]
>> Subject: Re: [Pharo-project] Automatic focus on column upon moose  
>> enter
>>
>> Hi Bill,
>>
>>> but your approach to it is not a small change: you are moving GUI  
>>> code
>>> into the tools, which is bad practice.
>>
>> I do not really understand what you mean with "tools" here.
>> I moved this code to the Morphic subclass we use to represent  
>> pluggable
>> lists in OB
>> (a subclass of PluggableListMorph), so this is the GUI code used in  
>> the
>> tool and IMO
>> the only place where I could possibly move this GUI code into,  
>> namely into
>> other GUI
>> code. ;)
>>
>>> Please let Gary help you do this properly.
>>
>> Gary actually suggested me to do it like this. As I said, it's  
>> really the
>> only way to
>> realize this change so that it only affects the columns in OB,  
>> trust me.
>>
>> To make the extent of the change clear: What it does is to give the
>> columns in
>> OB-based browsers the focus whenever the mouse is over them. This  
>> only
>> affects
>> columns, nothing else, in the OB browser, and certainly also no other
>> browsers,
>> tools, whatsoever not based on OB.
>>
>> The question that remains is just whether people want a pref to
>> enable/disable this
>> changed behavior or not, I think.
>> I don't have the impression that we need to discuss the  
>> implementation of
>> this change.
>>
>> I will answer separately to your other mail.
>>
>>
>> David
>>
>>> ----
>>> Wilhelm K. Schwab, Ph.D.
>>> bschwab AT anest DOT ufl DOT edu
>>>
>>> ________________________________________
>>> From: [email protected]
>>> [[email protected]] On Behalf Of David
>>> Röthlisberger [[email protected]]
>>> Sent: Friday, February 20, 2009 9:17 AM
>>> To: [email protected]
>>> Subject: Re: [Pharo-project] Automatic focus on column upon moose  
>>> enter
>>>
>>> Hi
>>>
>>>> First of all, I did not authored this change. David did it. I guess
>>>> this was a request emanated by a bunch of people.
>>> Yes.
>>>
>>>> Personally, the only reason why I am happy with the auto-focus,  
>>>> is by
>>>> pressing Cmd-T to run tests. I find this quite convenient to simply
>>>> accept a method, then move the moose to the column and press Cmd-T,
>>>> without clicking.
>>> yes.
>>> Another scenario from Stef:
>>> Having a method selected in the method list, going with the mouse  
>>> button
>>> to the first
>>> column while having selected the hierarchy button and press key up  
>>> or
>>> down to
>>> conveniently browse the same method in super- or subclasses.
>>>
>>>> Although I do not see a scenario where auto-focus is
>>>> a real problem, I do understand that David made an arbitrary  
>>>> decision
>>>> without much consultation. Sorry about that. So, what do we do?
>>> Well, I did some "consultation" with Gary and Stef.
>>> But they left the decision to me, so I "decided" to be it like  
>>> that for
>>> the moment to
>>> see how people react.
>>> I don't mind to, as Gary suggested, introduce yet another preference
>>> (there are
>>> already two related to this "auto-focus") saying whether one wants  
>>> to
>>> ignore the
>>> mouseClickForKeyboardFocus preference in the browser's columns,  
>>> although
>>> I personally
>>> think that such a preference is not needed as I can't imagine that  
>>> this
>>> auto-focus
>>> for columns gets into the way too often (if at all).
>>> But if people want me to add such a pref, fine by me.
>>>
>>> I don't think we want to start a much ado about nothing discussion  
>>> about
>>> this small
>>> change. ;)
>>>
>>> David
>>>
>>>> On 20 Feb 2009, at 14:38, Schwab,Wilhelm K wrote:
>>>>
>>>>> Alexandre,
>>>>>
>>>>> Can you give us an explanation or pointer to one?  This sounds  
>>>>> like
>>>>> something that Gary worked hard to stop from happening.  I want  
>>>>> you
>>>>> to have what you want from your image, and I need my future  
>>>>> users to
>>>>> have what they will demand (loudly<g>).  I am also convinced that
>>>>> there are things (e.g.  mouse wheel input) that should "follow the
>>>>> mouse" without affecting keyboard focus, and this might be one of
>>>>> them, but referring to focus gives me the idea that keyboard input
>>>>> will go to the columns based on mouse position, and that
>>>>> (PLEASE!!!!!) needs to be optional - it drives me batty.  I type
>>>>> quite fast, and if the input goes to what amount to commands  
>>>>> instead
>>>>> of editing, it can get ugly.
>>>>>
>>>>> There are some preferences that control behavior like this, and  
>>>>> any
>>>>> such overrides should be conditional on one being set, or moved  
>>>>> into
>>>>> the themes, probably as an aspect vs. implied by the theme choice.
>>>>> By the latter, I am assuming that you want Motif style mouse/focus
>>>>> behavior in any old theme you happen to choose.  That's fine,  
>>>>> but it
>>>>> should be optional or we are taking a step backward in feel.
>>>>>
>>>>> Bill
>>>>>
>>>>>
>>>>> ----
>>>>> Wilhelm K. Schwab, Ph.D.
>>>>> bschwab AT anest DOT ufl DOT edu
>>>>>
>>>>> ________________________________________
>>>>> From: [email protected]
>>>>> [[email protected]
>>>>> ] On Behalf Of Alexandre Bergel [[email protected]]
>>>>> Sent: Friday, February 20, 2009 5:04 AM
>>>>> To: Pharo Development
>>>>> Subject: [Pharo-project] Automatic focus on column upon moose  
>>>>> enter
>>>>>
>>>>> David,
>>>>> You're a hero!
>>>>> Thanks for OB-Enhancements-dr.305
>>>>>
>>>>> Alexandre
>>>>> --
>>>>> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
>>>>> Alexandre Bergel  http://www.bergel.eu
>>>>> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>>>>>
>
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