[squeak-dev] how to enable "" feature from OCompletion in a PluggableTextMorphPlus

Levente Uzonyi leves at elte.hu
Tue Feb 8 21:56:10 UTC 2011

On Tue, 8 Feb 2011, Chris Muller wrote:

> Well, Squeak is a system that can be changed, so that could be easily
> added.  Besides that, there is also the Alt+' and Shift+Alt+' which
> works in straight-away in Squeak right now; no packages to load or
> preferences to set or anything.
> For me, the problem with SmartChars of OCompletion is that it has
> sufferred a regression from the way it was implemented in ECompletion.
> Back in 2006, I worked with Ruben Bakker on the original ECompletion
> to change the SmartChars function so that it would _keep the selection
> highlighted_ when using them.  Here's my original explanation copied
> from the note.  I wrote:
>> Monday, April 3, 2006 3:02 PM
>> ...
>> I enjoy type-replacing text all the time.  This is where I select a
>> piece of text, then just start typing to replace it (without first
>> having to press delete or backspace).  It is also common for the
>> replacement text to begin with a left parenthesis.  With e-Completion,
>> its nice that it inserts parenthesis on each end, but the text is then
>> deselected, causing the type-replace to not replace.  If eCompletion
>> were to allow the original text to remain selected, then the
>> transparency of the original type-replace function could remain
>> intact..
> This is precisely the correct behavior and Ruben agreed and he fixed
> it.  By keeping the selection highlighted, it "objectifies" the
> highlighted text into an _expression_.  The current behavior, by
> deselecting the highlighted text and placing the cursor to the end,
> presumably so the user can "keep on typing more text", it causes
> developer to stay thinking in terms of "editing text", rather than
> building up the notion of "editing expressions".
> Pragmatically, besides what I mentioned above it allows me to _choose_
> whether I want to continue editing at the beginning or end by pressing
> the left or right arrow.  Further, it allows me to surround by
> multiple-levels of parenthesis (or other enclosing characters) which
> is quite common.
> I do hope Levente will consider restoring this fix to OCompletion.

The implementation was changed by Lukas Renggli. Romain Robbes (the author 
of OCompletion) added the change in Ocompletion-RomainRobbes.64 to 
OCompletion. I prefer keeping the selection, but I guess some people like 
it the way it is now, so this will be a preference.


> - Chris
> On Tue, Feb 8, 2011 at 12:34 PM, Ricardo Moran <richi.moran at gmail.com> wrote:
>> But the auto enclose preference only works with parenthesis, brackets and
>> square brackets. So IMHO the best way would be turning on smart characters.
>> :)
>> Cheers
>> Richo
>> On Tue, Feb 8, 2011 at 3:18 PM, Chris Muller <asqueaker at gmail.com> wrote:
>>> Two ways:
>>>  - Turn on Smart Characters preference.  This way does not require
>>> pressing control or Alt.
>>> OR
>>>  - Turn on the "Auto Enclose" preference in the Morphic category.
>>> This feature is built-in to Squeak, OCompletion is not necessary.
>>> OR
>>>  - Note the old, classic, "enclose" hot-keys.  Select text you want
>>> to enclose in '', "", (), [] or {} and press one of:  Alt+',
>>> Alt+Shift+', Alt+[, Alt+Shift+[, respectively.
>>> HTH,
>>>  Chris
>>> On Mon, Feb 7, 2011 at 3:23 PM, Ken G. Brown <kbrown at mac.com> wrote:
>>>> Can anyone tell me how to enable the double quote "" when you type
>>>> feature from OCompletion in a PluggableTextMorphPlus?
>>>> OCompletion is loaded.
>>>> My PluggableTextMorphPlus currently shows Shout code styling.
>>>> Squeak 4.2 10966, Mac.
>>>> Thx for any insight.
>>>> Ken

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