[gmpi] Re: undo and controls
- From: Tim Hockin <thockin@xxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Sun, 20 Jun 2004 21:32:20 -0700
On Sun, Jun 20, 2004 at 10:53:56PM +0100, Martijn Sipkema wrote:
> Using MIDI as a control protocol for a plugin had the
> drawback that it is not possible to undo all or even any
> MIDI command: the effect of a command is not known.
To be fair, it's not possible to undo them unless we add
setParamaterAutomated() style interfaces. Those were heavily frowned upon
for various reasons.
> Does this mean that all parameters that a plugin exports
> should be 'orthogonal', i.e. changing one parameter may
> not change the value of others or possibly even leave it
Yes. See the "Actor" thread. That's exactly what we spent a few weeks
bantering about. You don't spontaneously change yourself.
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