Lists are a thing now

Looks like child bounds arent clipped properly though, ugh

backends/x/entity.go

@@ -102,10 +102,10 @@ func (entity *entity) scrollTargetChildAt (point image.Point) *entity {
 	return nil
 }
 
-func (entity *entity) forMouseTargetContainers (callback func (tomo.MouseTargetContainer)) {
+func (entity *entity) forMouseTargetContainers (callback func (tomo.MouseTargetContainer, tomo.Element)) {
 	if entity.parent == nil { return }
 	if parent, ok := entity.parent.element.(tomo.MouseTargetContainer); ok {
-		callback(parent)
+		callback(parent, entity.element)
 	}
 	entity.parent.forMouseTargetContainers(callback)
 }
@@ -211,7 +211,8 @@ func (entity *entity) PlaceChild (index int, bounds image.Rectangle) {
 
 func (entity *entity) SelectChild (index int, selected bool) {
 	child := entity.children[index]
-	if element, ok := entity.element.(tomo.Selectable); ok {
+	if element, ok := child.element.(tomo.Selectable); ok {
+		if child.selected == selected { return }
 		child.selected = selected
 		element.HandleSelectionChange()
 	}

backends/x/event.go

@@ -212,11 +212,11 @@ func (window *window) handleButtonPress (
 				point.X, point.Y,
 				input.Button(buttonEvent.Detail))
 		}
-		callback := func (container tomo.MouseTargetContainer) {
+		callback := func (container tomo.MouseTargetContainer, child tomo.Element) {
 			container.HandleChildMouseDown (
 				point.X, point.Y,
 				input.Button(buttonEvent.Detail),
-				underneath.element)
+				child)
 		}
 		underneath.forMouseTargetContainers(callback)
 	}
@@ -238,12 +238,12 @@ func (window *window) handleButtonRelease (
 				int(buttonEvent.EventY),
 				input.Button(buttonEvent.Detail))
 		}
-		callback := func (container tomo.MouseTargetContainer) {
+		callback := func (container tomo.MouseTargetContainer, child tomo.Element) {
 			container.HandleChildMouseUp (
 			int(buttonEvent.EventX),
 			int(buttonEvent.EventY),
 			input.Button(buttonEvent.Detail),
-			dragging.element)
+			child)
 		}
 		dragging.forMouseTargetContainers(callback)
 	}