I am trying to get the position of the component that is being hovered over by the mouse to no avail

[VirtualVirgin]

I have a timer going and would like to get the position of the component I am hovering over.

This prints the component under the mouse correctly (Knob0).
I make a variable with that.
The variable prints correctly (Knob0).
Using the actual component name with ".get("x")" prints correctly (30).
When I combine the "Component" variable with ".get("x")" I get an error:
"Unknown function 'get'"

I have also tried other ".get" functions and they do not work here (such as ".getGlobalPositionX"()).
I am at a loss as to why,

[d.healey]

@VirtualVirgin The return type of getComponentUnderMouse is a String (the component's ID)

It's not a reference to the component itself.

[VirtualVirgin]

@d-healey
So couple of noob questions then:

A) Why doesn't the console return "Knob0" (in quotes) instead of Knob0 (not in quotes)?

B) Can I turn that string into the reference? It gives me the text for the ID I need.

[d.healey]

@VirtualVirgin said in I am trying to get the position of the component that is being hovered over by the mouse to no avail:

Why doesn't the console return "Knob0" (in quotes) instead of Knob0 (not in quotes)?

Same reason it doesn't have quotes when you write Console.print("Chicken"); The Console only displays strings so quotes are unnecessary.

@VirtualVirgin said in I am trying to get the position of the component that is being hovered over by the mouse to no avail:

B) Can I turn that string into the reference? It gives me the text for the ID I need.

Yes but you probably shouldn't. It's usually better practice to get all your references in on init, instead of getting them dynamically. There are a few solutions:

Grab your reference to Knob0 in on init and store it in a const as you usually would. Then when you get the ID from getComponentUnderMouse you can have an if statement like:

if (Content.getComponentUnderMouse() == "Knob0")
{
    Do the thing you want to do
}

Another option is to put the component reference into an object, using its ID as a key - this is a good approach is you want to work with a lot of components this way.

So you would do something like:

const myComponents = {"Knob0": Content.getComponent("Knob0"), "Knob1": Content.getComponent("Knob1"), etc.};

Then when you want to access the component by ID you can use myComponents[id].

A third solution is to use a mouse broadcaster, which will give you directly the component reference. Christoph demonstrated its use here for creating floating tooltips.

[VirtualVirgin]

@d-healey
Thanks :)
Those are interesting approaches but I think not suitable for my use case.

What I am doing is working on custom tooltips using your video.
I have completed that and now I am trying to customize the position of the tooltips panel so that it shows just beneath the component that it is making reference to, rather than a static panel position.

I was going to calculate the tooltips panel position based on component position, but maybe there is way by getting the mouse position and quantizing that to a grid?

I am not sure how to get the mouse position when it is not over a panel.
I searched the Docs but I don't see anything like "Engine.getCurrentMousePosition()".

I would also like to change the size of the tooltips panel based on the tooltip string length and I found this which I think will work:

Graphics.getStringWidth(String text)

[d.healey]

@VirtualVirgin said in I am trying to get the position of the component that is being hovered over by the mouse to no avail:

What I am doing is working on custom tooltips using your video.

I use the broadcaster technique now. It's much better. I'm basically using what Christoph gave in the post I linked to, although I've tweaked it a bit. It does pretty much exactly what you want.

In fact here's the exact code I'm using - it's not perfect and I have some more tweaks to make. But you'll see where I'm adjusting the size of the panel to match the text length.

namespace Tooltips
{
	const tooltipComponents = getComponents();
	
	//! pnlTooltip
	const pnlTooltip = Content.getComponent("pnlTooltip");
	pnlTooltip.showControl(false);
	pnlTooltip.set("enabled", false);

	pnlTooltip.setPaintRoutine(function(g)
	{
		var a = this.getLocalBounds(20);
		var radius = this.get("borderRadius");

		g.drawDropShadow(a, Colours.withAlpha(Colours.black, 0.6), 20);

		g.setColour(this.get("bgColour"));
		g.fillRoundedRectangle(a, radius);

		g.setColour(Colours.withAlpha(this.get("itemColour"), 0.5));
		g.drawRoundedRectangle([a[0] + radius / 4, a[1] + radius / 4, a[2] - radius / 2, a[3] - radius / 2], radius, 1);

		g.setFontWithSpacing("medium", 16, 0.0);
		g.setColour(this.get("textColour"));
		g.drawAlignedText(this.get("tooltip"), a, "centred");
	});
	
	//! Functions
	inline function: Array getComponents()
	{
		local result = [];
		local allComponents = Content.getAllComponents("");
		local types = ["ScriptButton", "ScriptSlider", "ScriptTable", "ScriptComboBox", "ScriptPanel"];
		
		for (x in allComponents)
		{
			if (!x.get("enabled"))
				continue;
				
			if (x.get("tooltip") == "")
				continue;

			if (!types.contains(x.get("type")))
				continue;
				
			result.push(x);			
		}
	
		return result;
	}
	
	//! Broadcaster	
	const bcTooltipPanel = Engine.createBroadcaster({"id": "tooltip", "args": ["component", "event"]});
	bcTooltipPanel.attachToComponentMouseEvents(tooltipComponents, "All Callbacks", "");

	inline function addRemoveListeners(state)
	{
		if (!state)
		{
			bcTooltipPanel.removeListener("Update panel position");
			bcTooltipPanel.removeListener("Show Tooltip");
			return;
		}
		
		bcTooltipPanel.addListener(pnlTooltip, "Update panel position", function(component, event)
		{
			var interfaceSize = Content.getInterfaceSize();

			this.set("tooltip", component.get("tooltip"));
			this.set("width", Engine.getStringWidth(this.get("tooltip"), "medium", 16, 0.0) + 75);
			this.set("x", component.getGlobalPositionX() + component.getWidth() / 2 - this.getWidth() / 2);
			this.set("y", component.getGlobalPositionY() + 10);

			if (this.get("x") + this.getWidth() > interfaceSize[0])
				this.set("x", interfaceSize[0] - this.getWidth() - 5);

			if (this.get("y") + this.getHeight() > interfaceSize[1])
				this.set("y", interfaceSize[1] - this.getHeight() - 5);
			
			this.repaint();
		
			if (!event.hover || (component.get("tooltip") == ""))
				this.showControl(false);
		});
			
		bcTooltipPanel.addDelayedListener(500, pnlTooltip, "Show Tooltip", function(component, event)
		{
			if (!event.hover || this.get("tooltip") == "")
				return;

			this.showControl(true);
		});
	}

	const bcTooltipButton = Engine.createBroadcaster({id: "valueChanged", args: ["component", "value"]});
	bcTooltipButton.attachToComponentValue("btnTooltips", "Tooltips button toggled");
	
	bcTooltipButton.addListener({}, "Enable - disable tooltips", function(component, value)
	{			
		addRemoveListeners(value);
	});
}

[VirtualVirgin]

@d-healey
Uh oh!
I know nothing of broadcasters yet, so I'll have to watch your video on that first so I would know what I am doing to work with your script here.

Thank you very much for sharing this!
I'll study it.

[d.healey]

@VirtualVirgin Broadcasters are great and I keep finding more and more uses for them. I plan to include them in a lot more videos.

A very simple explanation: you can think of a broadcaster like a YouTube channel, and a listener like a subscriber to the YouTube channel.

When the channel puts out a new video, all of the subscribers get told about it, and then if that video interests them they can go and watch it.

To bring this back to tooltips. We're creating a mouse broadcaster (channel) and every time the mouse goes over one of the specified components the channel puts out a message saying "hey, if anyone's interested, I've just gone over this component."

Then the listener (subscriber) on the tooltip panel gets the message, which contains a reference to the component and some information about the mouse event (such as the x/y position of the mouse). It can use this to then display the tooltip.

[d.healey]

I made some tweaks and update the code above.

[VirtualVirgin]

@d-healey said in I am trying to get the position of the component that is being hovered over by the mouse to no avail:

Another option is to put the component reference into an object, using its ID as a key - this is a good approach is you want to work with a lot of components this way.

So you would do something like:

const myComponents = {"Knob0": Content.getComponent("Knob0"), "Knob1": Content.getComponent("Knob1"), etc.};

So I am looking this option over.

Is there a way to generate the full list of components as object with the key : value pair from a loop?

const myComponents = {};
const allComponents = Content.getAllComponents("");

for (i = 0; i < allComponents.length; i++)
	myComponents[i] = {??? : Content.getComponent(allComponents[i])};

[d.healey]

@VirtualVirgin

const componentsById = {};

for (x in Content.getAllComponents(""))
    componentsById[x.getId()] = x;

[ulrik]

@VirtualVirgin you could also do like this, it also takes care of components inside other components inside other...etc

It's also based on the broadcaster function, a great implementation, thanks to Christoph!

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[VirtualVirgin]

@ulrik said in I am trying to get the position of the component that is being hovered over by the mouse to no avail:

@VirtualVirgin you could also do like this, it also takes care of components inside other components inside other...etc

It's also based on the broadcaster function, a great implementation, thanks to Christoph!

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Thank you:)
I am trying to integrate this with the solution from David Healey's tooltips video.
I have a question on how to access now the position data to position my tooltips panel.
I see this is where you write the tooltips data with the tooltip and the position:

if (isDefined(comp))
		{
			TooltipPanel.data.tooltip = comp.get("tooltip") + " || pos: "+ trace(getPositionOfComponent(comp));

And then you write it out with aligned text in the paint routine:

if (isDefined(this.data.tooltip))
		g.drawAlignedText(this.data.tooltip, this.getLocalBounds(0), "centred");

But how do I access the position data itself?

[ulrik]

@VirtualVirgin said in I am trying to get the position of the component that is being hovered over by the mouse to no avail:

But how do I access the position data itself?

In the code under this, the position data is retrieved using this function:

getPositionOfComponent(comp)

getHoveredComponentBC.addListener(AllComponents, "get position", function(component, event)
{
	if (event.hover)
	{
		var comp;
		for (c in AllComponents)
			if (c.get("id") == Content.getComponentUnderMouse())
			{
				comp = c;
				break;
			}
		
		if (isDefined(comp))
		{
			TooltipPanel.data.tooltip = comp.get("tooltip") + " || pos: "+ trace(getPositionOfComponent(comp));
			TooltipPanel.repaint();
		}	
	}
});

[VirtualVirgin]

@ulrik
I tried that out earlier but I just keep getting errors from it:

If I put a string in I get an object back?

[ulrik]

@VirtualVirgin it's Content.getComponent("ScriptLabel1"), you forgot the "Content"

[VirtualVirgin]

@ulrik said in I am trying to get the position of the component that is being hovered over by the mouse to no avail:

@VirtualVirgin it's Content.getComponent("ScriptLabel1"), you forgot the "Content"

Sorry, I was trying to use the function you provided:

//	get the component object
inline function getComponent(componentId)
{
	for (c in AllComponents)
		if (c.get("id") == componentId)
		{
			return c;
			break;
		}
}