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package at.hannibal2.skyhanni.data.model
import at.hannibal2.skyhanni.utils.KeyboardManager
import at.hannibal2.skyhanni.utils.KeyboardManager.isKeyClicked
import at.hannibal2.skyhanni.utils.OSUtils
import at.hannibal2.skyhanni.utils.StringUtils.insert
import kotlinx.coroutines.runBlocking
import net.minecraft.client.settings.KeyBinding
import org.lwjgl.input.Keyboard
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable
class TextInput {
var textBox: String = ""
private var carriage: Int? = null
fun editText() = textBox.let {
with(carriage) {
if (this == null) it
else it.insert(this, '|')
}
}.replace("§", "&&")
fun finalText() = textBox.replace("&&", "§")
fun makeActive() = Companion.activate(this)
fun disable() = Companion.disable()
fun handle() = Companion.handleTextInput()
fun clear() {
textBox = ""
carriage = null
}
companion object {
private var activeInstance: TextInput? = null
fun activate(instance: TextInput) {
activeInstance = instance
timeSinceKeyEvent = Keyboard.getEventNanoseconds()
}
fun disable() {
activeInstance = null
}
fun onMinecraftInput(keyBinding: KeyBinding, cir: CallbackInfoReturnable<Boolean>) {
if (activeInstance != null) {
cir.returnValue = false
return
}
}
private var timeSinceKeyEvent = 0L
private var carriage
get() = activeInstance?.carriage
set(value) {
activeInstance?.carriage = value
}
private var textBox
get() = activeInstance?.textBox ?: ""
set(value) {
activeInstance?.textBox = value
}
private fun handleTextInput() {
if (KeyboardManager.isCopyingKeysDown()) {
OSUtils.copyToClipboard(textBox)
return
}
if (KeyboardManager.isPastingKeysDown()) {
runBlocking {
textBox = OSUtils.readFromClipboard() ?: return@runBlocking
}
return
}
val carriage = carriage
if (Keyboard.KEY_LEFT.isKeyClicked()) {
this.carriage = carriage?.moveCarriageLeft() ?: (textBox.length - 1)
return
}
if (Keyboard.KEY_RIGHT.isKeyClicked()) {
this.carriage = when {
carriage == null -> null
(carriage >= textBox.length - 1) -> null
else -> moveCarriageRight(carriage)
}
return
}
if (Keyboard.KEY_DELETE.isKeyClicked()) { // Does not work for some reason
if (carriage != null) {
textBox.removeRange(carriage, carriage + 1)
} else {
textBox.dropLast(1)
}
return
}
if (timeSinceKeyEvent == Keyboard.getEventNanoseconds()) return
timeSinceKeyEvent = Keyboard.getEventNanoseconds()
val char = Keyboard.getEventCharacter()
textBox = when (char) {
Char(0) -> return
'\b' -> if (carriage != null) {
if (carriage == 0) {
textBox.substring(1)
} else {
this.carriage = carriage.minus(1)
textBox.removeRange(carriage - 1, carriage)
}
} else {
textBox.dropLast(1)
}
else -> if (carriage != null) {
this.carriage = carriage + 1
textBox.insert(carriage, char)
} else {
textBox + char
}
}
}
private fun moveCarriageRight(carriage: Int) = carriage + 1
private fun Int.moveCarriageLeft(): Int = when {
this > 0 -> this - 1
else -> 0
}
}
}
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