On 25/11/2018 23:04, Richard Gaskin via use-livecode wrote:
This limitation may have been eliminated, or close to eliminated, with
the field object. And now that fields have column-independent
alignment, it's rare that there's ever a need to replace that one
object with a thousand-object DataGrid for simple list views.
The DataGrid is bound to a limitation within LC for group contents:
the formattedWidth and formattedHeight of a group cannot exceed 32765
px. Attempting to go beyond that flips the signed bit internally and
objects will be rendered incorrectly.
I suppose it might be nice to see that extended, but in practice do we
really need it? How big should a group meaningfully be?
32,765 px is about 30 feet in size. That's a lot to ask a user to
scroll through, not to mention being a lot to ask LC to buffer so it
can handle the scroll efficiently.
Hmmmm - 32765 pixels at 227 dpi is "only" about 12 feet :-)
Still too much - except ....
While it might be too much for horizontal scrolling, it's not so clear
for vertical scrolling. Twelve feet is about 13 pages vertically of
A4/letter paper; so if I had a document that (for its own reasons) was
in continuous format rather than paginated, I might well want to have it
all in a single group. I probably wouldn't want to scroll through it -
but I might want to have some method of (say) going directy to a
specified chapter or verse - and then see it in its continuous context.
And if we were to consider non-European languages, maybe that would
apply horizontally as well ??
Alex.
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