diff --git a/src/main/java/de/bixilon/minosoft/data/inventory/InventoryActions.kt b/src/main/java/de/bixilon/minosoft/data/inventory/ContainerClickActions.kt
similarity index 98%
rename from src/main/java/de/bixilon/minosoft/data/inventory/InventoryActions.kt
rename to src/main/java/de/bixilon/minosoft/data/inventory/ContainerClickActions.kt
index d663e3e68..c37572b6a 100644
--- a/src/main/java/de/bixilon/minosoft/data/inventory/InventoryActions.kt
+++ b/src/main/java/de/bixilon/minosoft/data/inventory/ContainerClickActions.kt
@@ -12,7 +12,7 @@
  */
 package de.bixilon.minosoft.data.inventory
 
-enum class InventoryActions(
+enum class ContainerClickActions(
     val mode: Int,
     val button: Int,
     val slot: Boolean,
diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/gui/elements/items/ContainerItemsElement.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/gui/elements/items/ContainerItemsElement.kt
index 42fb2e1d2..211af53d1 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/gui/elements/items/ContainerItemsElement.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/gui/elements/items/ContainerItemsElement.kt
@@ -16,6 +16,8 @@ package de.bixilon.minosoft.gui.rendering.gui.elements.items
 import de.bixilon.kutil.collections.CollectionUtil.synchronizedMapOf
 import de.bixilon.kutil.collections.CollectionUtil.toSynchronizedMap
 import de.bixilon.kutil.watcher.DataWatcher.Companion.observe
+import de.bixilon.minosoft.data.inventory.ContainerClickActions
+import de.bixilon.minosoft.data.inventory.stack.ItemStack
 import de.bixilon.minosoft.data.registries.other.containers.Container
 import de.bixilon.minosoft.gui.rendering.gui.GUIRenderer
 import de.bixilon.minosoft.gui.rendering.gui.atlas.Vec2iBinding
@@ -30,6 +32,7 @@ import de.bixilon.minosoft.gui.rendering.gui.mesh.GUIVertexOptions
 import de.bixilon.minosoft.gui.rendering.util.vec.vec2.Vec2iUtil.EMPTY
 import de.bixilon.minosoft.gui.rendering.util.vec.vec2.Vec2iUtil.isGreater
 import de.bixilon.minosoft.gui.rendering.util.vec.vec2.Vec2iUtil.isSmaller
+import de.bixilon.minosoft.protocol.packets.c2s.play.container.ContainerClickC2SP
 import glm_.vec2.Vec2i
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap
 
@@ -129,17 +132,29 @@ class ContainerItemsElement(
 
     override fun onMouseAction(position: Vec2i, button: MouseButtons, action: MouseActions): Boolean {
         val consumed = super<AbstractLayout>.onMouseAction(position, button, action)
-        if (action != MouseActions.PRESS) {
+        if (action != MouseActions.PRESS || (button != MouseButtons.LEFT && button != MouseButtons.RIGHT)) {
             return consumed
         }
 
         val activeElement = activeElement
         val stack = activeElement?.stack
+        val containerId = renderWindow.connection.player.containers.getKey(container) ?: return consumed
         var floatingItem = this.floatingItem
-        if ((floatingItem != null && !floatingItem.visible) || stack?._valid != true) {
+        if ((floatingItem != null && floatingItem.visible) || stack?._valid != true) {
             return consumed
         }
-        floatingItem = FloatingItem(guiRenderer, activeElement.slotId, stack)
+        val clickAction: ContainerClickActions
+        val stackToFloat: ItemStack
+        if (button == MouseButtons.LEFT) {
+            stackToFloat = stack
+            clickAction = ContainerClickActions.LEFT_MOUSE_CLICK
+        } else {
+            stackToFloat = stack.copy(count = maxOf(stack.item.count / 2, 1))
+            clickAction = ContainerClickActions.RIGHT_MOUSE_CLICK
+            stack.item.count = stack.item.count - stackToFloat.item.count
+        }
+        renderWindow.connection.sendPacket(ContainerClickC2SP(containerId, container.serverRevision, activeElement.slotId, clickAction, container.createAction(), mapOf(activeElement.slotId to stack), stack))
+        floatingItem = FloatingItem(guiRenderer, activeElement.slotId, stackToFloat)
         this.floatingItem = floatingItem
         floatingItem.show()
 
diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/gui/elements/items/ItemElement.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/gui/elements/items/ItemElement.kt
index 40cd3d58a..4cbb563aa 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/gui/elements/items/ItemElement.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/gui/elements/items/ItemElement.kt
@@ -14,7 +14,7 @@
 package de.bixilon.minosoft.gui.rendering.gui.elements.items
 
 import de.bixilon.minosoft.config.key.KeyCodes
-import de.bixilon.minosoft.data.inventory.InventoryActions
+import de.bixilon.minosoft.data.inventory.ContainerClickActions
 import de.bixilon.minosoft.data.inventory.stack.ItemStack
 import de.bixilon.minosoft.data.registries.items.block.BlockItem
 import de.bixilon.minosoft.data.registries.other.containers.Container
@@ -164,13 +164,13 @@ class ItemElement(
         // ToDo
         when (key) {
             KeyCodes.KEY_Q -> {
-                val action: InventoryActions
+                val action: ContainerClickActions
                 if (controlDown) {
                     stack?.item?.count = 0
-                    action = InventoryActions.DROP_STACK
+                    action = ContainerClickActions.DROP_STACK
                 } else {
                     stack?.item?.decreaseCount()
-                    action = InventoryActions.DROP_ITEM
+                    action = ContainerClickActions.DROP_ITEM
                 }
                 renderWindow.connection.sendPacket(ContainerClickC2SP(containerId, container.serverRevision, slotId, action, container.createAction(), mapOf(slotId to stack), stack))
             }
diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/gui/gui/GUIManager.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/gui/gui/GUIManager.kt
index 4c4edf0d6..74f02a28d 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/gui/gui/GUIManager.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/gui/gui/GUIManager.kt
@@ -233,6 +233,10 @@ class GUIManager(
     }
 
     fun pop() {
+        if (guiRenderer.dragged.element != null) {
+            guiRenderer.dragged.element = null
+            return
+        }
         val previous = elementOrder.removeFirstOrNull() ?: return
         previous.onClose()
         if (elementOrder.isEmpty()) {
diff --git a/src/main/java/de/bixilon/minosoft/gui/rendering/gui/gui/dragged/DraggedManager.kt b/src/main/java/de/bixilon/minosoft/gui/rendering/gui/gui/dragged/DraggedManager.kt
index e65e6aa18..4c559e7ba 100644
--- a/src/main/java/de/bixilon/minosoft/gui/rendering/gui/gui/dragged/DraggedManager.kt
+++ b/src/main/java/de/bixilon/minosoft/gui/rendering/gui/gui/dragged/DraggedManager.kt
@@ -33,9 +33,12 @@ class DraggedManager(
                 return
             }
             val position = guiRenderer.currentCursorPosition
-            field?.element?.onDragEnd(position, null) // ToDo
+            val previous = field
+            previous?.element?.onDragEnd(position, guiRenderer.gui.onDragLeave(previous.element))
+
             field = value
-            element?.element?.onDragStart(position, null) // ToDo
+            guiRenderer.gui.onMouseMove(Vec2i(-1, -1)) // move mouse ot
+            value?.element?.onDragStart(position, guiRenderer.gui.onDragMove(position, value.element))
             applyCursor()
         }
     override var lastTickTime: Long = -1L
diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/c2s/play/container/ContainerClickC2SP.kt b/src/main/java/de/bixilon/minosoft/protocol/packets/c2s/play/container/ContainerClickC2SP.kt
index 845765bfd..a21c4f890 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/c2s/play/container/ContainerClickC2SP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/c2s/play/container/ContainerClickC2SP.kt
@@ -12,7 +12,7 @@
  */
 package de.bixilon.minosoft.protocol.packets.c2s.play.container
 
-import de.bixilon.minosoft.data.inventory.InventoryActions
+import de.bixilon.minosoft.data.inventory.ContainerClickActions
 import de.bixilon.minosoft.data.inventory.stack.ItemStack
 import de.bixilon.minosoft.protocol.packets.c2s.PlayC2SPacket
 import de.bixilon.minosoft.protocol.packets.factory.LoadPacket
@@ -27,7 +27,7 @@ class ContainerClickC2SP(
     val containerId: Int,
     val revision: Int,
     val slot: Int,
-    val action: InventoryActions,
+    val action: ContainerClickActions,
     val actionId: Int,
     val next: Map<Int, ItemStack?>,
     val clickedItem: ItemStack?,