feat: MoulConfig config gui

src/main/kotlin/gui/config/AllConfigsGui.kt

@@ -4,7 +4,6 @@ import io.github.notenoughupdates.moulconfig.observer.ObservableList
 import io.github.notenoughupdates.moulconfig.xml.Bind
 import net.minecraft.client.gui.screen.Screen
 import net.minecraft.text.Text
-import moe.nea.firmament.repo.RepoManager
 import moe.nea.firmament.util.MC
 import moe.nea.firmament.util.MoulConfigUtils
 import moe.nea.firmament.util.ScreenUtil.setScreenLater
@@ -18,6 +17,7 @@ object AllConfigsGui {
 
 	object ConfigConfig : ManagedConfig("configconfig", Category.META) {
 		val enableYacl by toggle("enable-yacl") { false }
+		val enableMoulConfig by toggle("enable-moulconfig") { false }
 	}
 
 	fun <T> List<T>.toObservableList(): ObservableList<T> = ObservableList(this)
@@ -67,7 +67,11 @@ object AllConfigsGui {
 	}
 
 	fun makeScreen(parent: Screen? = null): Screen {
-		val wantedKey = if (ConfigConfig.enableYacl) "yacl" else "builtin"
+		val wantedKey = when {
+			ConfigConfig.enableMoulConfig -> "moulconfig"
+			ConfigConfig.enableYacl -> "yacl"
+			else -> "builtin"
+		}
 		val provider = FirmamentConfigScreenProvider.providers.find { it.key == wantedKey }
 			?: FirmamentConfigScreenProvider.providers.first()
 		return provider.open(parent)

src/main/kotlin/gui/config/FirmamentConfigScreenProvider.kt

@@ -1,9 +1,7 @@
 package moe.nea.firmament.gui.config
 
-import java.util.ServiceLoader
-import kotlin.streams.asSequence
 import net.minecraft.client.gui.screen.Screen
-import moe.nea.firmament.Firmament
+import moe.nea.firmament.util.compatloader.CompatLoader
 
 interface FirmamentConfigScreenProvider {
 	val key: String
@@ -11,17 +9,10 @@ interface FirmamentConfigScreenProvider {
 
 	fun open(parent: Screen?): Screen
 
-	companion object {
-		private val loader = ServiceLoader.load(FirmamentConfigScreenProvider::class.java)
-
+	companion object : CompatLoader<FirmamentConfigScreenProvider>(FirmamentConfigScreenProvider::class) {
 		val providers by lazy {
-			loader.stream().asSequence().mapNotNull { service ->
-				kotlin.runCatching { service.get() }
-					.getOrElse {
-						Firmament.logger.warn("Could not load config provider ${service.type()}", it)
-						null
-					}
-			}.filter { it.isEnabled }
+			allValidInstances
+				.filter { it.isEnabled }
 				.sortedWith(Comparator.comparing(
 					{ it.key },
 					Comparator<String> { left, right ->

src/main/kotlin/gui/config/KeyBindingHandler.kt

@@ -30,7 +30,7 @@ class KeyBindingHandler(val name: String, val managedConfig: ManagedConfig) :
 		return Json.decodeFromJsonElement(element)
 	}
 
-	override fun emitGuiElements(opt: ManagedOption<SavedKeyBinding>, guiAppender: GuiAppender) {
+	fun createButtonComponent(opt: ManagedOption<SavedKeyBinding>): FirmButtonComponent {
 		lateinit var button: FirmButtonComponent
 		val sm = KeyBindingStateManager(
 			{ opt.value },
@@ -67,7 +67,11 @@ class KeyBindingHandler(val name: String, val managedConfig: ManagedConfig) :
 			}
 		}
 		sm.updateLabel()
-		guiAppender.appendLabeledRow(opt.labelText, button)
+		return button
+	}
+
+	override fun emitGuiElements(opt: ManagedOption<SavedKeyBinding>, guiAppender: GuiAppender) {
+		guiAppender.appendLabeledRow(opt.labelText, createButtonComponent(opt))
 	}
 
 }

src/main/kotlin/gui/config/ManagedConfig.kt

@@ -176,7 +176,7 @@ abstract class ManagedConfig(
 	}
 
 	val translationKey get() = "firmament.config.${name}"
-	val labelText = Text.translatable(translationKey)
+	val labelText: Text = Text.translatable(translationKey)
 
 	fun getConfigEditor(parent: Screen? = null): Screen {
 		var screen: Screen? = null

src/main/kotlin/util/MoulConfigUtils.kt

@@ -234,6 +234,19 @@ object MoulConfigUtils {
 	// TODO: move this utility into moulconfig (also rework guicontext into an interface so i can make this mesh better into vanilla)
 	fun GuiContext.adopt(element: GuiComponent) = element.foldRecursive(Unit, { comp, unit -> comp.context = this })
 
+	inline fun <T, R> GetSetter<T>.xmap(crossinline fromT: (T) -> R, crossinline toT: (R) -> T): GetSetter<R> {
+		val outer = this
+		return object : GetSetter<R> {
+			override fun get(): R {
+				return fromT(outer.get())
+			}
+
+			override fun set(newValue: R) {
+				outer.set(toT(newValue))
+			}
+		}
+	}
+
 	fun clickMCComponentInPlace(
 		component: GuiComponent,
 		x: Int,