diff --git a/src/net/torvald/terrarum/App.java b/src/net/torvald/terrarum/App.java
index 7374273d9..fc9a71d43 100644
--- a/src/net/torvald/terrarum/App.java
+++ b/src/net/torvald/terrarum/App.java
@@ -25,7 +25,9 @@ import net.torvald.terrarum.controller.TerrarumController;
 import net.torvald.terrarum.controller.XinputControllerAdapter;
 import net.torvald.terrarum.gameactors.BlockMarkerActor;
 import net.torvald.terrarum.gamecontroller.IME;
+import net.torvald.terrarum.gamecontroller.InputStrober;
 import net.torvald.terrarum.gamecontroller.KeyToggler;
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent;
 import net.torvald.terrarum.gameworld.GameWorld;
 import net.torvald.terrarum.imagefont.TinyAlphNum;
 import net.torvald.terrarum.langpack.Lang;
@@ -234,7 +236,7 @@ public class App implements ApplicationListener {
     private static com.badlogic.gdx.graphics.Color gradWhiteTop = new com.badlogic.gdx.graphics.Color(0xf8f8f8ff);
     private static com.badlogic.gdx.graphics.Color gradWhiteBottom = new com.badlogic.gdx.graphics.Color(0xd8d8d8ff);
 
-    private static Screen currentScreen;
+    private static TerrarumGamescreen currentScreen;
     private static LoadScreenBase currentSetLoadScreen;
 
     private void initViewPort(int width, int height) {
@@ -284,6 +286,8 @@ public class App implements ApplicationListener {
             "xinput", "xbox", "game", "joy", "pad"
     };
 
+    public static InputStrober inputStrober = InputStrober.INSTANCE; // kinda dummy field
+
     public static Screen getCurrentScreen() {
         return currentScreen;
     }
@@ -709,6 +713,8 @@ public class App implements ApplicationListener {
         resizeReqSize = new Point2i(width, height);
     }
 
+
+
     @Override
     public void dispose() {
         System.out.println("Goodbye !");
@@ -762,6 +768,8 @@ public class App implements ApplicationListener {
 
         Terrarum.INSTANCE.dispose();
 
+        inputStrober.dispose();
+
         deleteTempfiles();
     }
 
@@ -785,15 +793,19 @@ public class App implements ApplicationListener {
     }
 
     public static void setScreen(Screen screen) {
+        if (!(screen instanceof TerrarumGamescreen)) {
+            throw new IllegalArgumentException("Screen must be instance of TerrarumGameScreen: " + screen.getClass().getCanonicalName());
+        }
+        
         if (screen instanceof LoadScreenBase) {
             throw new RuntimeException(
                     "Loadscreen '" + screen.getClass().getSimpleName() + "' must be set with 'setLoadScreen()' method");
         }
 
-        _setScr(screen);
+        _setScr((TerrarumGamescreen) screen);
     }
 
-    private static void _setScr(Screen screen) {
+    private static void _setScr(TerrarumGamescreen screen) {
 
         printdbg("AppLoader-Static", "Changing screen to " + screen.getClass().getCanonicalName());
 
@@ -1305,4 +1317,12 @@ public class App implements ApplicationListener {
     public static long getTIME_T() {
         return System.currentTimeMillis() / 1000L;
     }
+
+    /**
+     * Just an event handler I'm slipping in
+     * @param event
+     */
+    public static void inputStrobed(TerrarumKeyboardEvent event) {
+        currentScreen.inputStrobed(event);
+    }
 }
diff --git a/src/net/torvald/terrarum/IngameInstance.kt b/src/net/torvald/terrarum/IngameInstance.kt
index c28f501f9..5fedca0f4 100644
--- a/src/net/torvald/terrarum/IngameInstance.kt
+++ b/src/net/torvald/terrarum/IngameInstance.kt
@@ -8,6 +8,7 @@ import net.torvald.terrarum.gameactors.Actor
 import net.torvald.terrarum.gameactors.ActorID
 import net.torvald.terrarum.gameactors.ActorWithBody
 import net.torvald.terrarum.gameactors.BlockMarkerActor
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 import net.torvald.terrarum.gameitem.ItemID
 import net.torvald.terrarum.gameworld.GameWorld
 import net.torvald.terrarum.modulebasegame.IngameRenderer
@@ -31,7 +32,7 @@ import java.util.concurrent.locks.Lock
  * Although the game (as product) can have infinitely many stages/planets/etc., those stages must be manually managed by YOU;
  * this instance only stores the stage that is currently being used.
  */
-open class IngameInstance(val batch: SpriteBatch, val isMultiplayer: Boolean = false) : Screen {
+open class IngameInstance(val batch: SpriteBatch, val isMultiplayer: Boolean = false) : TerrarumGamescreen {
 
     open protected val actorMBRConverter = object : MBRConverter<ActorWithBody> {
         override fun getDimensions(): Int = 2
@@ -134,6 +135,9 @@ open class IngameInstance(val batch: SpriteBatch, val isMultiplayer: Boolean = f
     override fun hide() {
     }
 
+    override fun inputStrobed(e: TerrarumKeyboardEvent) {
+    }
+
     override fun show() {
         // the very basic show() implementation
 
diff --git a/src/net/torvald/terrarum/LoadScreenBase.kt b/src/net/torvald/terrarum/LoadScreenBase.kt
index 9c5e604b1..c2df6f03b 100644
--- a/src/net/torvald/terrarum/LoadScreenBase.kt
+++ b/src/net/torvald/terrarum/LoadScreenBase.kt
@@ -4,11 +4,12 @@ import com.badlogic.gdx.Gdx
 import com.badlogic.gdx.ScreenAdapter
 import com.badlogic.gdx.graphics.OrthographicCamera
 import com.badlogic.gdx.utils.Disposable
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 import net.torvald.terrarum.langpack.Lang
 import net.torvald.terrarum.modulebasegame.TerrarumIngame
 import net.torvald.util.CircularArray
 
-open class LoadScreenBase : ScreenAdapter(), Disposable {
+open class LoadScreenBase : ScreenAdapter(), Disposable, TerrarumGamescreen {
 
     open var preLoadJob: (LoadScreenBase) -> Unit = {}
     open var screenToLoad: IngameInstance? = null
@@ -82,4 +83,7 @@ open class LoadScreenBase : ScreenAdapter(), Disposable {
     override fun resize(width: Int, height: Int) {
         initViewPort(App.scr.width, App.scr.height)
     }
+
+    override fun inputStrobed(e: TerrarumKeyboardEvent) {
+    }
 }
\ No newline at end of file
diff --git a/src/net/torvald/terrarum/Terrarum.kt b/src/net/torvald/terrarum/Terrarum.kt
index 75c6f6ad7..514a35c78 100644
--- a/src/net/torvald/terrarum/Terrarum.kt
+++ b/src/net/torvald/terrarum/Terrarum.kt
@@ -53,7 +53,6 @@ typealias RGBA8888 = Int
 object Terrarum : Disposable {
 
     init {
-        IngameController.KEYBOARD_DELAYS[1]
     }
 
     /**
diff --git a/src/net/torvald/terrarum/TerrarumGamescreen.kt b/src/net/torvald/terrarum/TerrarumGamescreen.kt
new file mode 100644
index 000000000..00e5b5d49
--- /dev/null
+++ b/src/net/torvald/terrarum/TerrarumGamescreen.kt
@@ -0,0 +1,11 @@
+package net.torvald.terrarum
+
+import com.badlogic.gdx.Screen
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
+
+/**
+ * Created by minjaesong on 2021-11-06.
+ */
+interface TerrarumGamescreen : Screen {
+    fun inputStrobed(e: TerrarumKeyboardEvent)
+}
\ No newline at end of file
diff --git a/src/net/torvald/terrarum/TitleScreen.kt b/src/net/torvald/terrarum/TitleScreen.kt
index d00b7f8dd..ad1191e65 100644
--- a/src/net/torvald/terrarum/TitleScreen.kt
+++ b/src/net/torvald/terrarum/TitleScreen.kt
@@ -18,6 +18,7 @@ import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZEF
 import net.torvald.terrarum.console.CommandDict
 import net.torvald.terrarum.gameactors.*
 import net.torvald.terrarum.gameactors.ai.ActorAI
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 import net.torvald.terrarum.gameworld.GameWorld
 import net.torvald.terrarum.gameworld.WorldTime
 import net.torvald.terrarum.gameworld.fmod
@@ -389,6 +390,10 @@ class TitleScreen(batch: SpriteBatch) : IngameInstance(batch) {
         warning32bitJavaIcon.texture.dispose()
     }
 
+    override fun inputStrobed(e: TerrarumKeyboardEvent) {
+        uiContainer.forEach { it?.inputStrobed(e) }
+    }
+
 
 
     fun setCameraPosition(newX: Float, newY: Float) {
diff --git a/src/net/torvald/terrarum/gamecontroller/IngameController.kt b/src/net/torvald/terrarum/gamecontroller/IngameController.kt
index 29e1318a0..6f08ed759 100644
--- a/src/net/torvald/terrarum/gamecontroller/IngameController.kt
+++ b/src/net/torvald/terrarum/gamecontroller/IngameController.kt
@@ -277,112 +277,5 @@ class IngameController(val terrarumIngame: TerrarumIngame) : InputAdapter() {
         return true
     }
 
-    companion object {
-        data class TerrarumKeyboardEvent(
-                val type: Int,
-                val character: String?, // representative key symbol
-                val headkey: Int, // representative keycode
-                val repeatCount: Int,
-                val keycodes: IntArray
-        )
-        private const val KEY_DOWN = 0
-        private const val KEY_CHANGE = 1
-        const val N_KEY_ROLLOVER = 8
-        var KEYBOARD_DELAYS = longArrayOf(0L,250000000L,0L,25000000L,0L)
-        private var stroboTime = 0L
-        private var stroboStatus = 0
-        private var repeatCount = 0
-        private var oldKeys = IntArray(N_KEY_ROLLOVER) { 0 }
-        /** always Low Layer */
-//        private var keymap = IME.getLowLayerByName(App.getConfigString("basekeyboardlayout"))
-
-        fun resetKeyboardStrobo() {
-            stroboStatus = 0
-            repeatCount = 0
-        }
-
-        // code proudly stolen from tsvm's TVDOS.SYS
-        fun withKeyboardEvent(callback: (TerrarumKeyboardEvent) -> Unit) {
-            val keys = strobeKeys()
-            var keyChanged = !arrayEq(keys, oldKeys)
-            val keyDiff = arrayDiff(keys, oldKeys)
-            val keymap = IME.getLowLayerByName(App.getConfigString("basekeyboardlayout"))
-
-            if (stroboStatus % 2 == 0 && keys[0] != 0) {
-                stroboStatus += 1
-                stroboTime = System.nanoTime()
-                repeatCount += 1
-
-                val shiftin = keys.contains(Keys.SHIFT_LEFT) || keys.contains(Keys.SHIFT_RIGHT)
-                val keysym0 = keysToStr(keymap, keys)
-                val newKeysym0 = keysToStr(keymap, keyDiff)
-                val keysym = if (keysym0 == null) null
-                else if (shiftin && keysym0[1]?.isNotBlank() == true) keysym0[1]
-                else keysym0[0]
-                val newKeysym = if (newKeysym0 == null) null
-                else if (shiftin && newKeysym0[1]?.isNotBlank() == true) newKeysym0[1]
-                else newKeysym0[0]
-
-                val headKeyCode = if (keyDiff.size < 1) keys[0] else keyDiff[0]
-
-                if (!keyChanged) {
-//                    println("KEY_DOWN '$keysym' ($headKeyCode) $repeatCount; ${keys.joinToString()}")
-                    callback(TerrarumKeyboardEvent(KEY_DOWN, keysym, headKeyCode, repeatCount, keys))
-                }
-                else if (newKeysym != null) {
-//                    println("KEY_DOWC '$newKeysym' ($headKeyCode) $repeatCount; ${keys.joinToString()}")
-                    callback(TerrarumKeyboardEvent(KEY_DOWN, newKeysym, headKeyCode, repeatCount, keys))
-                }
-
-                oldKeys = keys // don't put this outside of if-cascade
-            }
-            else if (keyChanged || keys[0] == 0) {
-                stroboStatus = 0
-                repeatCount = 0
-
-                if (keys[0] == 0) keyChanged = false
-            }
-            else if (stroboStatus % 2 == 1 && System.nanoTime() - stroboTime < KEYBOARD_DELAYS[stroboStatus]) {
-                Thread.sleep(1L)
-            }
-            else {
-                stroboStatus += 1
-                if (stroboStatus >= 4)
-                    stroboStatus = 2
-            }
-        }
-
-        private fun keysToStr(keymap: TerrarumKeyLayout, keys: IntArray): Array<String?>? {
-            if (keys.size == 0) return null
-            val headkey = keys[0]
-            return keymap.symbols?.get(headkey)
-        }
-
-        private fun strobeKeys(): IntArray {
-            var keysPushed = 0
-            val keyEventBuffers = IntArray(N_KEY_ROLLOVER) { 0 }
-            for (k in 1..254) {
-                if (Gdx.input.isKeyPressed(k)) {
-                    keyEventBuffers[keysPushed] = k
-                    keysPushed += 1
-                }
-
-                if (keysPushed >= N_KEY_ROLLOVER) break
-            }
-            return keyEventBuffers
-        }
-
-        private fun arrayEq(a: IntArray, b: IntArray): Boolean {
-            for (i in 0 until a.size) {
-                if (a[i] != b.getOrNull(i)) return false
-            }
-            return true
-        }
-
-        private fun arrayDiff(a: IntArray, b: IntArray): IntArray {
-            return a.filter { !b.contains(it) }.toIntArray()
-        }
-    }
-
     private inline fun BitSet.bitCount() = this.cardinality()
 }
\ No newline at end of file
diff --git a/src/net/torvald/terrarum/gamecontroller/InputStrober.kt b/src/net/torvald/terrarum/gamecontroller/InputStrober.kt
new file mode 100644
index 000000000..2a5c2da85
--- /dev/null
+++ b/src/net/torvald/terrarum/gamecontroller/InputStrober.kt
@@ -0,0 +1,136 @@
+package net.torvald.terrarum.gamecontroller
+
+import com.badlogic.gdx.Gdx
+import com.badlogic.gdx.Input
+import net.torvald.terrarum.App
+
+/**
+ * Created by minjaesong on 2021-11-06.
+ */
+object InputStrober {
+
+    const val KEY_DOWN = 0
+    const val KEY_CHANGE = 1
+    const val N_KEY_ROLLOVER = 8
+
+    var KEYBOARD_DELAYS = longArrayOf(0L,250000000L,0L,25000000L,0L)
+    private var stroboTime = 0L
+    private var stroboStatus = 0
+    private var repeatCount = 0
+    private var oldKeys = IntArray(N_KEY_ROLLOVER) { 0 }
+    /** always Low Layer */
+//        private var keymap = IME.getLowLayerByName(App.getConfigString("basekeyboardlayout"))
+
+    private val thread = Thread { while (!Thread.interrupted()) {
+        if (Gdx.input != null) withKeyboardEvent()
+    } }
+
+    init {
+        println("InputStrobe start")
+        thread.start()
+    }
+
+    fun dispose() {
+        thread.interrupt()
+    }
+
+    fun resetKeyboardStrobo() {
+        stroboStatus = 0
+        repeatCount = 0
+    }
+
+    // code proudly stolen from tsvm's TVDOS.SYS
+    private fun withKeyboardEvent() {
+        val keys = strobeKeys()
+        var keyChanged = !arrayEq(keys, oldKeys)
+        val keyDiff = arrayDiff(keys, oldKeys)
+        val keymap = IME.getLowLayerByName(App.getConfigString("basekeyboardlayout"))
+
+//        println("Key strobed: ${keys.joinToString()}")
+
+        if (stroboStatus % 2 == 0 && keys[0] != 0) {
+            stroboStatus += 1
+            stroboTime = System.nanoTime()
+            repeatCount += 1
+
+            val shiftin = keys.contains(Input.Keys.SHIFT_LEFT) || keys.contains(Input.Keys.SHIFT_RIGHT)
+            val keysym0 = keysToStr(keymap, keys)
+            val newKeysym0 = keysToStr(keymap, keyDiff)
+            val keysym = if (keysym0 == null) null
+            else if (shiftin && keysym0[1]?.isNotBlank() == true) keysym0[1]
+            else keysym0[0]
+            val newKeysym = if (newKeysym0 == null) null
+            else if (shiftin && newKeysym0[1]?.isNotBlank() == true) newKeysym0[1]
+            else newKeysym0[0]
+
+            val headKeyCode = if (keyDiff.size < 1) keys[0] else keyDiff[0]
+
+            if (!keyChanged) {
+//                    println("KEY_DOWN '$keysym' ($headKeyCode) $repeatCount; ${keys.joinToString()}")
+                App.inputStrobed(TerrarumKeyboardEvent(KEY_DOWN, keysym, headKeyCode, repeatCount, keys))
+            }
+            else if (newKeysym != null) {
+//                    println("KEY_DOWC '$newKeysym' ($headKeyCode) $repeatCount; ${keys.joinToString()}")
+                App.inputStrobed(TerrarumKeyboardEvent(KEY_DOWN, newKeysym, headKeyCode, repeatCount, keys))
+            }
+
+            oldKeys = keys // don't put this outside of if-cascade
+        }
+        else if (keyChanged || keys[0] == 0) {
+            stroboStatus = 0
+            repeatCount = 0
+
+            if (keys[0] == 0) keyChanged = false
+        }
+        else if (stroboStatus % 2 == 1 && System.nanoTime() - stroboTime < KEYBOARD_DELAYS[stroboStatus]) {
+            Thread.sleep(1L)
+        }
+        else {
+            stroboStatus += 1
+            if (stroboStatus >= 4)
+                stroboStatus = 2
+        }
+    }
+
+
+    private fun keysToStr(keymap: TerrarumKeyLayout, keys: IntArray): Array<String?>? {
+        if (keys.isEmpty()) return null
+        val headkey = keys[0]
+        return keymap.symbols?.get(headkey)
+    }
+
+    private fun strobeKeys(): IntArray {
+        var keysPushed = 0
+        val keyEventBuffers = IntArray(N_KEY_ROLLOVER) { 0 }
+        for (k in 1..254) {
+            if (Gdx.input.isKeyPressed(k)) {
+                keyEventBuffers[keysPushed] = k
+                keysPushed += 1
+            }
+
+            if (keysPushed >= N_KEY_ROLLOVER) break
+        }
+        return keyEventBuffers
+    }
+
+    private fun arrayEq(a: IntArray, b: IntArray): Boolean {
+        for (i in a.indices) {
+            if (a[i] != b.getOrNull(i)) return false
+        }
+        return true
+    }
+
+    private fun arrayDiff(a: IntArray, b: IntArray): IntArray {
+        return a.filter { !b.contains(it) }.toIntArray()
+    }
+
+}
+
+
+data class TerrarumKeyboardEvent(
+        val type: Int,
+        val character: String?, // representative key symbol
+        val headkey: Int, // representative keycode
+        val repeatCount: Int,
+        val keycodes: IntArray
+)
\ No newline at end of file
diff --git a/src/net/torvald/terrarum/modulebasegame/BuildingMaker.kt b/src/net/torvald/terrarum/modulebasegame/BuildingMaker.kt
index 11613fc6a..12dd60d7b 100644
--- a/src/net/torvald/terrarum/modulebasegame/BuildingMaker.kt
+++ b/src/net/torvald/terrarum/modulebasegame/BuildingMaker.kt
@@ -11,6 +11,7 @@ import net.torvald.terrarum.TerrarumAppConfiguration.TILE_SIZE
 import net.torvald.terrarum.blockproperties.Block
 import net.torvald.terrarum.blockproperties.BlockPropUtil
 import net.torvald.terrarum.gameactors.*
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 import net.torvald.terrarum.gameitem.ItemID
 import net.torvald.terrarum.gameworld.GameWorld
 import net.torvald.terrarum.modulebasegame.gameactors.ActorHumanoid
@@ -412,6 +413,9 @@ class BuildingMaker(batch: SpriteBatch) : IngameInstance(batch) {
         uiPenMenu.dispose()
     }
 
+    override fun inputStrobed(e: TerrarumKeyboardEvent) {
+    }
+
     private fun makePenWork(x: Int, y: Int) {
         val world = gameWorld
         val palSelection = uiPaletteSelector.fore
diff --git a/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt b/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
index b432de9e8..9313a0f77 100644
--- a/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
+++ b/src/net/torvald/terrarum/modulebasegame/TerrarumIngame.kt
@@ -18,6 +18,7 @@ import net.torvald.terrarum.console.Authenticator
 import net.torvald.terrarum.gameactors.*
 import net.torvald.terrarum.gamecontroller.IngameController
 import net.torvald.terrarum.gamecontroller.KeyToggler
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 import net.torvald.terrarum.gameitem.GameItem
 import net.torvald.terrarum.gameitem.inInteractableRange
 import net.torvald.terrarum.gameparticles.ParticleBase
@@ -1173,6 +1174,10 @@ open class TerrarumIngame(batch: SpriteBatch) : IngameInstance(batch) {
         }
     }
 
+    override fun inputStrobed(e: TerrarumKeyboardEvent) {
+        uiContainer.forEach { it?.inputStrobed(e) }
+    }
+
     fun activateDormantActor(actor: Actor) {
         if (App.IS_DEVELOPMENT_BUILD && !isInactive(actor.referenceID)) {
             /*if (isActive(actor.referenceID))
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UIKeyboardControlPanel.kt b/src/net/torvald/terrarum/modulebasegame/ui/UIKeyboardControlPanel.kt
index ebcff5169..23ae67fc8 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UIKeyboardControlPanel.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UIKeyboardControlPanel.kt
@@ -11,6 +11,7 @@ import net.torvald.terrarum.App
 import net.torvald.terrarum.CommonResourcePool
 import net.torvald.terrarum.DefaultConfig
 import net.torvald.terrarum.gamecontroller.IME
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 import net.torvald.terrarum.langpack.Lang
 import net.torvald.terrarum.linearSearch
 import net.torvald.terrarum.ui.*
@@ -176,6 +177,11 @@ class UIKeyboardControlPanel(remoCon: UIRemoCon?) : UICanvas() {
 //        addUIitem(keyboardTestPanel)
     }
 
+    override fun inputStrobed(e: TerrarumKeyboardEvent) {
+        super.inputStrobed(e)
+        keyboardTestPanel.inputStrobed(e)
+    }
+
     private fun resetKeyConfig() {
         listOf("control_key_up",
                 "control_key_left",
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UIRemoCon.kt b/src/net/torvald/terrarum/modulebasegame/ui/UIRemoCon.kt
index 6b83e8398..62443b875 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UIRemoCon.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UIRemoCon.kt
@@ -7,6 +7,7 @@ import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import net.torvald.terrarum.*
 import net.torvald.terrarum.App.printdbg
 import net.torvald.terrarum.App.printdbgerr
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 import net.torvald.terrarum.serialise.WriteConfig
 import net.torvald.terrarum.ui.Toolkit
 import net.torvald.terrarum.ui.UICanvas
@@ -266,7 +267,9 @@ open class UIRemoCon(val parent: TitleScreen, val treeRoot: QNDTreeNode<String>)
         return true
     }
 
-
+    override fun inputStrobed(e: TerrarumKeyboardEvent) {
+        openUI?.inputStrobed(e)
+    }
 
     class UIRemoConElement(uiRemoCon: UIRemoCon, val labels: Array<String>, val tags: Array<Array<String>>) {
 
diff --git a/src/net/torvald/terrarum/ui/UICanvas.kt b/src/net/torvald/terrarum/ui/UICanvas.kt
index f1b5a38dc..91149130c 100644
--- a/src/net/torvald/terrarum/ui/UICanvas.kt
+++ b/src/net/torvald/terrarum/ui/UICanvas.kt
@@ -6,6 +6,7 @@ import com.badlogic.gdx.utils.Disposable
 import net.torvald.terrarum.App
 import net.torvald.terrarum.Second
 import net.torvald.terrarum.Terrarum
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 import kotlin.math.roundToInt
 
 
@@ -219,6 +220,12 @@ abstract class UICanvas(
 
         return false
     }
+    open fun inputStrobed(e: TerrarumKeyboardEvent) {
+        if (this.isVisible) {
+            uiItems.forEach { it.inputStrobed(e) }
+            handler.subUIs.forEach { it.inputStrobed(e) }
+        }
+    }
 
     open fun resize(width: Int, height: Int) {
         this.width = width
diff --git a/src/net/torvald/terrarum/ui/UIItem.kt b/src/net/torvald/terrarum/ui/UIItem.kt
index 615cd99dd..d00949cb9 100644
--- a/src/net/torvald/terrarum/ui/UIItem.kt
+++ b/src/net/torvald/terrarum/ui/UIItem.kt
@@ -4,6 +4,7 @@ import com.badlogic.gdx.graphics.Camera
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import com.badlogic.gdx.utils.Disposable
 import net.torvald.terrarum.Terrarum
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 
 
 /**
@@ -238,6 +239,9 @@ abstract class UIItem(var parentUI: UICanvas, val initialX: Int, val initialY: I
 
         return false
     }
+    open fun inputStrobed(e: TerrarumKeyboardEvent) {
+
+    }
 
     abstract override fun dispose()
 
diff --git a/src/net/torvald/terrarum/ui/UIItemTextLineInput.kt b/src/net/torvald/terrarum/ui/UIItemTextLineInput.kt
index a30a8c0a5..d5d1c7287 100644
--- a/src/net/torvald/terrarum/ui/UIItemTextLineInput.kt
+++ b/src/net/torvald/terrarum/ui/UIItemTextLineInput.kt
@@ -9,9 +9,8 @@ import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import com.badlogic.gdx.graphics.glutils.FrameBuffer
 import com.jme3.math.FastMath
 import net.torvald.terrarum.*
-import net.torvald.terrarum.gamecontroller.IME
-import net.torvald.terrarum.gamecontroller.IngameController
-import net.torvald.terrarum.gamecontroller.TerrarumInputMethod
+import net.torvald.terrarum.App.printdbg
+import net.torvald.terrarum.gamecontroller.*
 import net.torvald.terrarum.utils.Clipboard
 import net.torvald.terrarumsansbitmap.gdx.CodepointSequence
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
@@ -45,6 +44,8 @@ data class InputLenCap(val count: Int, val unit: CharLenUnit) {
 }
 
 /**
+ * Make sure `inputStrobed()` of the parentUI is up and running.
+ *
  * Protip: if there are multiple TextLineInputs on a same UI, draw bottom one first, otherwise the IME's
  * candidate window will be hidden by the bottom UIItem if they overlaps.
  *
@@ -156,20 +157,15 @@ class UIItemTextLineInput(
         }
     }
 
-    override fun update(delta: Float) {
-        super.update(delta)
-        val mouseDown = Terrarum.mouseDown
+    override fun inputStrobed(e: TerrarumKeyboardEvent) {
         val oldActive = isActive
 
-        if (mouseDown) {
-            isActive = mouseUp
-        }
-
-        if (App.getConfigString("inputmethod") == "none") imeOn = false
-
         // process keypresses
         if (isActive) {
-            IngameController.withKeyboardEvent { (_, char, headkey, repeatCount, keycodes) ->
+
+            val (eventType, char, headkey, repeatCount, keycodes) = e
+
+            if (eventType == InputStrober.KEY_DOWN || eventType == InputStrober.KEY_CHANGE) {
                 fboUpdateLatch = true
                 forceLitCursor()
                 val ime = getIME()
@@ -263,13 +259,28 @@ class UIItemTextLineInput(
                 }
 
                 // don't put innards of tryCursorBack/Forward here -- you absolutely don't want that behaviour
-
             }
 
             if (textbuf.size == 0) {
                 currentPlaceholderText = CodepointSequence(placeholder().toCodePoints())
             }
+        }
+        else if (oldActive) { // just became deactivated
+            endComposing()
+        }
+    }
 
+    override fun update(delta: Float) {
+        super.update(delta)
+        val mouseDown = Terrarum.mouseDown
+
+        if (mouseDown) {
+            isActive = mouseUp
+        }
+
+        if (App.getConfigString("inputmethod") == "none") imeOn = false
+
+        if (isActive) {
             cursorBlinkCounter += delta
 
             while (cursorBlinkCounter >= CURSOR_BLINK_TIME) {
@@ -277,9 +288,6 @@ class UIItemTextLineInput(
                 cursorOn = !cursorOn
             }
         }
-        else if (oldActive) { // just became deactivated
-            endComposing()
-        }
 
         if (mouseDown && !mouseLatched && (enablePasteButton && enableIMEButton && mouseUpOnButton1 || enableIMEButton && !enablePasteButton && mouseUpOnButton2)) {
             toggleIME()