knob doesn't respond to messages

knob doesn't respond to messages - android

(8 posts) (3 voices)

Started 1 year ago by bb
Latest reply from Anonymous

Tags:

(First off, thank you Charlie for providing this software! Very cool being able to use JS to handle various scenarios.)

I can't get the knob widget to respond to messages. If I change the "trackPan" widget type to Slider, then the exact same code works fine. But as a Knob, it doesn't respond. I'm using Android 2.3.4.

{
    "name":"trackPan",
	"type":"Knob",
    "x":.2, "y":.4,
    "width":.25, "height":.25,
    //"usesRotation" : false,
    //"centerZero" : true,
    "min" : 0, "max" : 1,
    "address" : "/track/pan",
},

{
    "name":"panTest",   //testing trackPan Knob widget lack of outside response
    "type":"Slider",
    "x":.3, "y":0,
    "width":.25, "height":.25,
    "isLocal": true,
    //"address" : "/track/volume",
    "onvaluechange" : "trackPan.setValue(this.value);"
    //"isVertical" : true,
},

Posted 1 year ago #

admin
Key Master

It seems like the setValue method got left off the Knob widget. Try adding this at the bottom of your interface, outside of the pages array.

Knob.prototype.setValue = function(newValue) {
    this.rotationValue = newValue;

    if(newValue > this.max) {
        newValue = this.max;
    }else if(newValue < this.min) {
        newValue = this.min;
    }

    this.value = newValue;

    if(typeof this.onvaluechange === "string") {
        eval(this.onvaluechange);
    }else if(this.onvaluechange != null){
	this.onvaluechange();
    }

    if(!(arguments[1] === false))
	this.output();

    this.draw();
};

Posted 1 year ago #

bb
Member
It still doesn't respond. I don't think the Knob.prototype.setValue = function(newValue) { is being called. I inserted a logger in the function to check newValue and I'm not getting any text output to my logger.
```
Knob.prototype.setValue = function(newValue) {
    this.rotationValue = newValue;
	control.tp(newValue);  //logger
etc...
```
Posted 1 year ago #
admin
Key Master

That is odd, to say the least. Sorry for the debugging questions, but if you put your logger directly inside the onvaluechange for your slider does it get triggered there?

- Charlie

Posted 1 year ago #
bb
Member
Yes, the logger triggers both as I move the knob and as I send OSC to the knob from Reaper (the DAW I'm using).
```
"name":"trackPan",
"onvaluechange" : "control.tp('pan:' + this.value);"
```
Posted 1 year ago #
admin
Key Master

OK, I haven't fired up the Android version in a while, but there's a couple of other bugs in Android people have been asking about so I'll take a look at it tomorrow (Sunday) and see if I can figure out what the deal with this is.

Posted 1 year ago #
bb
Member

I guess I'll have to get an iPad :)

Thanks for looking into the knob issue. It's not a big deal for me, since I now realize I may prefer using a slider instead of a knob.

There is another bug I found. I'm trying to remember off the top of my head, but I think Control would freeze if a label widget was the first widget code on a page.

Posted 1 year ago #
Anonymous
Unregistered

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Posted 9 months ago #

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