diff --git a/Luxe/blocks/ui/adventure.wren b/Luxe/blocks/ui/adventure.wren
index 2c75506..78227da 100644
--- a/Luxe/blocks/ui/adventure.wren
+++ b/Luxe/blocks/ui/adventure.wren
@@ -8,6 +8,7 @@ import "luxe: assets" for Assets, Strings
 import "luxe: render" for Material, TextAlign
 import "luxe: color" for Color
 import "luxe: game" for Frame
+import "luxe: containers" for Lists
 
 import "globals" for Globals
 import "blocks/ui/image_button" for ImageButton
@@ -265,7 +266,7 @@ class UiAdventure{
           if(data["press"]){
             Frame.end{
               Globals["Tooltip"].clear(button)
-              Util.remove(adventure.adventurers, adventurer)
+              Lists.remove(adventure.adventurers, adventurer)
               _game.adventures.planning.emit()
             }
           }
@@ -352,7 +353,7 @@ class UiAdventure{
           if(data["press"]){
             Frame.end{
               Globals["Tooltip"].clear(button)
-              Util.remove(adventure.adventurers, adventurer)
+              Lists.remove(adventure.adventurers, adventurer)
               _game.adventures.planning.emit()
             }
           }
diff --git a/Luxe/blocks/ui/image_button.wren b/Luxe/blocks/ui/image_button.wren
index 2c609c2..c78f13a 100644
--- a/Luxe/blocks/ui/image_button.wren
+++ b/Luxe/blocks/ui/image_button.wren
@@ -18,6 +18,7 @@ class ImageButton{
 
     Control.set_events(button) {|event|
       if(!Util.valid_event(event)) return
+      if(UI.event_cancelled(ent, event.id)) return
       var data = null
       if(event.type == UIEvent.enter){
         data = Control.get_state_data(button)
diff --git a/Luxe/blocks/ui/scroll_box.wren b/Luxe/blocks/ui/scroll_box.wren
index c9f1e8b..4ddad1c 100644
--- a/Luxe/blocks/ui/scroll_box.wren
+++ b/Luxe/blocks/ui/scroll_box.wren
@@ -11,6 +11,7 @@ import "math/rect" for AABB
 import "math/math" for M
 import "blocks/debug" for DrawDebug
 import "blocks/ui/slider" for UiSlider
+import "math/util" for Util
 
 class UiScrollBox{
 
@@ -52,11 +53,12 @@ class UiScrollBox{
     UILayout.set_contain(ent, childContainer, UILayoutContain.column | UILayoutContain.start) //|
     Control.set_allow_input(childContainer, true)
     Control.set_events(childContainer){ |event|
+      if(!Util.valid_event(event)) return
       if(event.type == UIEvent.press) {
         Control.set_state_data(childContainer, true)
         UI.capture(childContainer)
       }
-      if(event.type == UIEvent.release) {
+      if(event.type == UIEvent.release) { 
         Control.set_state_data(childContainer, false)
         UI.uncapture(childContainer)
       }
diff --git a/Luxe/blocks/ui/ui.wren b/Luxe/blocks/ui/ui.wren
index caae32b..09441c6 100644
--- a/Luxe/blocks/ui/ui.wren
+++ b/Luxe/blocks/ui/ui.wren
@@ -26,6 +26,7 @@ class Ui{
 
   planning{_planning}
   info{_info}
+  entity{_ent}
 
   construct new(app){
     var game = Globals["Game"]
diff --git a/Luxe/game.wren b/Luxe/game.wren
index e516426..33e35cd 100644
--- a/Luxe/game.wren
+++ b/Luxe/game.wren
@@ -1,6 +1,6 @@
 import "luxe: game" for Ready
 import "luxe: input" for Input, Key
-import "luxe: world" for World, Entity, Transform, Sprite, Values, Tags, Camera
+import "luxe: world" for World, Entity, Transform, Sprite, Values, Tags, Camera, UI
 import "luxe: math" for Math
 import "luxe: draw" for Draw
 import "luxe: io" for IO
diff --git a/Luxe/math/util.wren b/Luxe/math/util.wren
index be40141..eb74a50 100644
--- a/Luxe/math/util.wren
+++ b/Luxe/math/util.wren
@@ -1,7 +1,7 @@
 import "luxe: assets" for Assets
 import "luxe: render" for Material
 import "luxe: ui/control" for Control
-import "luxe: world" for UIEvent
+import "luxe: world" for UIEvent, UI, Entity
 
 import "math/math" for M
 import "math/Vector" for Vector
@@ -19,28 +19,6 @@ class Util{
     return material
   }
 
-  static copy_list(from, to){
-    for(i in 0...from.count){
-      to[i] = from[i]
-    }
-  }
-
-  static index_of(sequence, element){
-    var index = -1
-    var any = sequence.any{|elem|
-      index = index + 1
-      return elem == element
-    }
-    return any ? index : -1
-  }
-
-  static remove(list, element){
-    var index = index_of(list, element)
-    if(index < 0) return false
-    list.removeAt(index)
-    return true
-  }
-
   static for_all(sequences, fn){
     var count = sequences.count
     var counter = (0...count)
@@ -91,17 +69,18 @@ class Util{
   }
 
   static valid_event(event){
+    //cancelled events are not valid :V
+    var entity = Control.get_entity(event.control)
+    if(UI.event_cancelled(entity, event.id)) return false
+    
     //events without a position are always valid
     if(![UIEvent.press, UIEvent.release, UIEvent.move].contains(event.type)) return true
+    //when a coltrol has captured the mouse, also everything is valid
+    if(UI.get_captured(entity)) return true
 
-    //System.print("type: %(UIEvent.name(event.type))")
-    var valid = event.y > 0 //ugly bugs need ugly fixes
+    //if its a event with a position (checked with list) and not captured, the event is only valid when the mouse is over the control
+    var valid = Control.contains(event.control, event.x, event.y)
     return valid
-
-    //those are the remains of a cleaner solution
-    /*var bounds = [0,0,0,0]
-    Control.get_bounds_abs(event.control, bounds)
-    var rect = AABB.from_list(bounds)*/
   }
 
   //hue value saturation to rgb colors. all values in 0-1 range