[R] tcltk: repeat event while button is down?
murdoch at stats.uwo.ca
Thu Aug 5 23:13:56 CEST 2004
On 05 Aug 2004 22:55:10 +0200, Peter Dalgaard
<p.dalgaard at biostat.ku.dk> wrote :
>Duncan Murdoch <murdoch at stats.uwo.ca> writes:
>> Is there a way in TCL/TK to trigger an event multiple times while a
>> button is held down? I'd like to have an rgl scene continuously
>> rotate until the button is released.
>Something involving "after", I'd say. Set up the rotate action to
>reschedule itself after N milliseconds, and the button release event
>to "after cancel".
Thanks. Just one more detail: the docs I have must be old, they
don't talk about separate button press and button release events. How
do I attach separate event handlers to those?
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