Re: NSTableView verticalMotionCanBeginDrag stuff

[Matt Rice]

--- Matt Rice <address@hidden> wrote:
<snip>
> 
> as currently implemented it is impossible to
> select
> multiple rows through dragging
> 
> it selects the current row, and drags it when
> mouseDragged on an unselected row, (the same
> behaviour
> as horizontal drag motion currently).
> 
> should i change this to only start vertical drags on
> already selected rows so vertical motion on
> unselected
> rows allows you to select multiple rows?
<snip>

this actually seems to me to be a bad behaviour
(selecting a row when starting a drag event on an
unselected row)

the main problem being that the modifier keys for
selecting rows can affect both the drag operation
and the selection mode

so i guess i'm proposing only beginning a drag
operation when dragging from a selected row

and otherwise selecting rows

the other option,

dragging the selected rows no matter the current rows
selection status, i don't really like, it would make
selection in allowsMultipleSelection
verticalMotionCanBeginDrag rather annoying.
(iirc this is the apple behaviour)
though it would surely simplify the code a bit





 
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