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/*
* SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
package moe.nea.firmament.gui.config
import io.github.cottonmc.cotton.gui.widget.WButton
import io.github.cottonmc.cotton.gui.widget.data.InputResult
import org.lwjgl.glfw.GLFW
import kotlinx.serialization.json.Json
import kotlinx.serialization.json.JsonElement
import kotlinx.serialization.json.decodeFromJsonElement
import kotlinx.serialization.json.encodeToJsonElement
import net.minecraft.client.util.InputUtil
import net.minecraft.text.Text
import net.minecraft.util.Formatting
import moe.nea.firmament.keybindings.FirmamentKeyBindings
import moe.nea.firmament.keybindings.SavedKeyBinding
class KeyBindingHandler(name: String, val managedConfig: ManagedConfig) : ManagedConfig.OptionHandler<SavedKeyBinding> {
init {
FirmamentKeyBindings.registerKeyBinding(name, managedConfig)
}
override fun toJson(element: SavedKeyBinding): JsonElement? {
return Json.encodeToJsonElement(element)
}
override fun fromJson(element: JsonElement): SavedKeyBinding {
return Json.decodeFromJsonElement(element)
}
override fun emitGuiElements(opt: ManagedOption<SavedKeyBinding>, guiAppender: GuiAppender) {
var editing = false
var lastPressed = 0
var lastPressedNonModifier = 0
var updateButton: (() -> Unit)? = null
val button = object : WButton() {
override fun onKeyPressed(ch: Int, key: Int, modifiers: Int): InputResult {
if (!editing) {
return super.onKeyPressed(ch, key, modifiers)
}
if (ch == GLFW.GLFW_KEY_ESCAPE) {
lastPressedNonModifier = 0
editing = false
lastPressed = 0
opt.value = SavedKeyBinding(GLFW.GLFW_KEY_UNKNOWN)
updateButton!!()
return InputResult.PROCESSED
}
if (ch == GLFW.GLFW_KEY_LEFT_SHIFT || ch == GLFW.GLFW_KEY_RIGHT_SHIFT
|| ch == GLFW.GLFW_KEY_LEFT_ALT || ch == GLFW.GLFW_KEY_RIGHT_ALT
|| ch == GLFW.GLFW_KEY_LEFT_CONTROL || ch == GLFW.GLFW_KEY_RIGHT_CONTROL
) {
lastPressed = ch
} else {
opt.value = SavedKeyBinding(
ch, modifiers
)
editing = false
lastPressed = 0
lastPressedNonModifier = 0
}
updateButton!!()
return InputResult.PROCESSED
}
override fun onFocusLost() {
super.onFocusLost()
lastPressedNonModifier = 0
editing = false
lastPressed = 0
updateButton!!()
}
override fun onKeyReleased(ch: Int, key: Int, modifiers: Int): InputResult {
if (!editing)
return super.onKeyReleased(ch, key, modifiers)
if (lastPressedNonModifier == ch || (lastPressedNonModifier == 0 && ch == lastPressed)) {
opt.value = SavedKeyBinding(
ch, modifiers
)
editing = false
lastPressed = 0
lastPressedNonModifier = 0
}
updateButton!!()
return InputResult.PROCESSED
}
}
fun updateLabel() {
val stroke = Text.literal("")
if (opt.value.shift) {
stroke.append("SHIFT + ") // TODO: translations?
}
if (opt.value.alt) {
stroke.append("ALT + ")
}
if (opt.value.ctrl) {
stroke.append("CTRL + ")
}
stroke.append(InputUtil.Type.KEYSYM.createFromCode(opt.value.keyCode).localizedText)
if (editing)
stroke.styled { it.withColor(Formatting.YELLOW) }
button.setLabel(stroke)
managedConfig.save()
}
updateButton = ::updateLabel
updateButton()
button.setOnClick {
editing = true
button.requestFocus()
updateButton()
}
guiAppender.appendLabeledRow(opt.labelText, button)
}
}
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