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Old 01-27-2018, 09:20 AM   #1
_Stevie_
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Default Does toggle button work with a custom script?

Hey all,

I have a Steinberg CMC-CH and I'm just diving into OSCIIBot.
So far, I am able to turn on and off the light of a button

But before I continue, here the following info:

- there is an "open VST instrument" button on the device
- I have a script, that looks for the first VST instrument on a track and toggles open and close of the GUI


I would like to know if this is possible:

- when I select a track, that shows the VST instrument GUI, I would like the "open VST instrument" button light turned on. And when I press the button, the GUI should disappear and turn off the light as well.

Now, I'm not quite sure, if this can be achieved. Does my LUA script need a toggle, so that Reaper can send a "VST instrument is not showing"?
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Old 01-27-2018, 10:13 AM   #2
goldenarpharazon
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One probably does need to identify & follow whether or not the FX Gui is opened or not, so one would use a toggle, as in storing the state within the OSCII-bot EEL script. If the script follows this, then the opening and closing and LED switching can all be controlled from the EEL script.

See this post from Erriez https://forum.cockos.com/showpost.ph...84&postcount=2 that should be helpful. The useful hints here helped implementstion of the instrument mode for the MIDIMIX control surface which opens selected FX/instruments on a track, so looking at its script may help.
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Old 01-27-2018, 10:16 AM   #3
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Thanks goldenarpharazon! That's really good news. Will check out that thread.

I'm studying your MIDIMix script. Thanks for that one! I'm familiar with LUA, but EEL2 was new to me. Now that I know what "?" and ":" means, it all makes way more sense to me
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Old 01-29-2018, 12:22 PM   #4
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I'm pretty far already, but I somehow can't solve this problem.

My button action looks like this:

Code:
msg1 == 0x90 ? + msg2 == 0x2d + msg3 == 0x7F ? // if VST instrument button is pressed
(
     oscmatch("/fxinst/openui") + oscparm(0, f) == 0 ? // if VST instrument GUI is closed
     oscsend(osc_out, "b/fxinst/openui", 1) // open VST instrument GUI
);
This works perfectly for opening the GUI, however, now I need a second if condition, that will look for the oscparm(0, f) == 1. I tried several things, but I can't seem to get nested if conditions working. How can I write:
(pseudo code)
Code:
if button is pressed
   if /fxinst/openui and oscparm(0,f) == 0
      open VSTi GUI
   elseif /fxinst/openui and oscparm(0,f) == 1
      close VSTi GUI
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Old 01-29-2018, 02:18 PM   #5
goldenarpharazon
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Reckon it might need splitting into two separate code blocks, one to process midi inputs, one to process the OSC feedback from Reaper with a single flag UIopen that tracks the GUI state.

Loosely in pseudo code something like

Code:
@midimsg
if button is pressed
   if UIopen
      close VSTi GUI
   else
      open VSTi GUI


@oscmsg
if /fxinst/openui 
    if oscparm(0,f) == 0
      UIopen=false     // it is closed
    if oscparm(0,f) == 1
      UIopen=true      // it is open
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Old 01-29-2018, 03:34 PM   #6
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Talking

That worked, awesome, thanks a lot!!!
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Old 01-29-2018, 10:41 PM   #7
mschnell
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Quote:
Originally Posted by goldenarpharazon View Post

Code:
@midimsg

@oscmsg
if /fxinst/openui 
    if oscparm(0,f) == 0
      UIopen=false     // it is closed
    if oscparm(0,f) == 1
      UIopen=true      // it is open
nitpicking mode on
Are there really other values but 0 and 1 ? Else :

@osemsg
UIopen=oscparm(0,f);

-Michael
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Old 01-30-2018, 11:08 AM   #8
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Yep, that's how I did it
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