On Wed, 30 Jan 2002, Mikhael Goikhman wrote:
> On 30 Jan 2002 13:56:24 +0100, Dominik Vogt wrote:
> >
> > On Wed, Jan 30, 2002 at 11:59:11AM +0000, Mikhael Goikhman wrote:
> > > I want to add an option to interactive Move, so snap is ignored.
> > >
> > > What do you think is a preferable syntax approach?
> > > I may think about 2 possible solutions.
> > >
> > > 1) New command UnconstrainedMove with the same arguments as Move.
> > > 2) An option to Move and AnimatedMove (other *Move* commands are not
> > > interactive) called NoSnap.
> >
> > Why? What is the advantage to turning SnapAttraction off before
> > moving and enabling it afterwards?
>
> This is not only SnapAttraction, but SnapGrid and EdgeResistance too.
> There is no way to restore their previous state.
>
> Thinking about this, it may be done by adding a new command Snap:
>
> Snap Disable
> Snap Enable
>
> This would affect snap in interactive Move and interactive placement.
>
> Still having an option to do an unconstrained Move would be ok.
> I myself would bind it to decoration dragging when shift is pressed.
Wouldn't it be better to simply modify the behaviour of "Move"
instead of adding new command? I.e., use the Alt/Meta modifier
interactively to switch off snapping/edgeresistance? (Shift and Ctrl are
already used for large/precise movement via keyboard.)
This approach gives the user an ability to "change his mind" on
the fly and is consistent with behaviour in many other programs (Gimp uses
"Shift" in "pencil" tool to draw lines; Windoze Explorer uses Shift/Ctrl
to force move/copy when dragging a file; and there is definitely some prog
which uses modifiers exactly to switch off snapping (was it XFig?)).
_________________________________________
Dmitry Yu. Bolkhovityanov
The Budker Institute of Nuclear Physics
Novosibirsk, Russia
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