[0.5.3] Could I implement a CollapsibleDialog in my Scripted SubState? Are they useable or not?

[Starexify]

I try adding a CollapsibleDialog in my own ScriptedMusicSubState (similarly to the Chart/Stage Editor ones), is it possible?
If I try doing something like:

class CustomState extends ScriptedMusicBeatSubState {
    override function create() {
        super.create();

        var collapsibleDialogue = new CollapsibleToolbox();
        collapsibleDialogue.x = 100;
        collapsibleDialogue.y = 150;
        add(collapsibleDialogue);
    }
}

@:build(haxe.ui.ComponentBuilder.build("assets/exclude/data/ui/chart-editor/toolboxes/difficulty.xml"))
class CollapsibleToolbox extends CollapsibleDialog {
    var collapsibleToolboxButton:Button;

    function new() {
        super();
        
        collapsibleToolboxButton.onClick = function(_) {
            trace("Test");
        };
    }
}

Doesn't seem to work and errors with:

Error while executing function ui.optionsCollapsibleToolbox.new()#527: EInvalidAccess
InvalidAccess error: Tried to access "onClick", but it is not a valid field or method. Is the target object null?
source/funkin/modding/PolymodErrorHandler.hx:84: [ERROR] Error while executing function ui.optionsCustomState.create()#86: EUnknownVariable
UnknownVariable error: Tried to access "x", an unknown variable or identifier.

Would appreciate help.

[KoloInDaCrib]

I think the problem is that you're using a macro (in this case @:build) to add child components to your collapsible dialog, however those macros aren't supported in hscript

Try using something like RuntimeComponentBuilder if you're gonna build components using an .xml file or write the components in the code (more specifically in the new function) like this:

// An example of how haxe ui components could be added instead of using an .xml file.
var hbox = new HBox();
hbow.percentWidth = 100;
addComponent(hbox);

var label = new Label();
label.text = "test";
hbox.addComponent(label);

[Starexify]

I will try thanks

[Starexify]

Could I use a haxe.ui.containers.windows.Window better just to add text and dropdown lists?

[KoloInDaCrib]

The type of component doesn't really matter. You can always experiment with different components and layouts to see what seems the most fit to you.

[Starexify]

I used a window and seems to be similar to the one I need (one similar to the Editors) also it seems I have some problems but that's haxeui and me not knowing it fully

Also could I get the buttons textures that the Editors in Funkin' use and place them on the HaxeUI window?

[KoloInDaCrib]

The button textures are mostly pre-packaged with the haxe-ui library so you can just reference them in your component's structure

Also if you have any problems with haxe-ui you should check the many examples that the haxe-ui website provides for a better understanding of the components