Why was Preference emptyDragStartsASelection removed for 3.2?
scott.wallace at squeakland.org
Wed Apr 24 18:43:03 UTC 2002
At 9:47 AM -0700 4/24/02, Ned Konz wrote:
>I note in the recent 3.2 changes that the Preference
>emptyDragStartsASelection has been removed.
>Why was this removed? I rather liked it...
When I was straightening up preferences for 3.2g I found that
#emptyDragStartsASelection had no senders, and when I checked even as
far back as an image from 18 months ago, I found that the preference
was present in the Preferences panel but had no senders.
So clearly this was a dead preference that had not been in use for a
very long time -- and a full-source search for it didn't even reveal
any commented-out code that mentioned it. So I felt safe in removing
But your query about this preference today made me curious enough to
track down the history here:
It turns out that this preference got added in update 2660, but got
unhooked from any actual *use* in update 2664 -- and since both of
those updates were issued in same batch -- on 26 September 2000 --
there has never been a Squeak version in which the preference was
This is from the preamble for update 2660SelectionTweaksPlus-di,
dated 19 September 2000:
Introduces the Preference: #emptyDragStartsASelection which
determines whether selection shall be initiated by drag in the
background (default) or by world/pasteUp menu (if disabled).
This is from the preamble for update 2664SelectionTweaksMinus-di,
dated 21 September 2000, i.e. *two days later*:
Changes the convention for area selection once again, owing to
conflicts with other uses of mouseDown in PasteUpMorph. Now
shift-drag does selection both in the world and in playfields, and
there is no preference for disabling this.
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