diff --git a/dropdown.go b/dropdown.go
index e99163f..1f5157e 100644
--- a/dropdown.go
+++ b/dropdown.go
@@ -6,10 +6,12 @@ import "git.tebibyte.media/tomo/tomo/input"
 import "git.tebibyte.media/tomo/tomo/event"
 import "git.tebibyte.media/tomo/objects/layouts"
 
+var _ tomo.Object = new(Dropdown)
+
 // Dropdown is a non-editable text input that allows the user to pick a value
 // from a list.
 type Dropdown struct {
-	tomo.ContainerBox
+	box   tomo.ContainerBox
 	label *Label
 
 	value string
@@ -24,28 +26,40 @@ type Dropdown struct {
 // NewDropdown creates a new dropdown input with the specified items
 func NewDropdown (items ...string) *Dropdown {
 	dropdown := &Dropdown {
-		ContainerBox: tomo.NewContainerBox(),
+		box: tomo.NewContainerBox(),
 		label:        NewLabel(""),
 	}
-	dropdown.SetRole(tomo.R("objects", "Dropdown"))
-	dropdown.SetAttr(tomo.ALayout(layouts.Row { true, false }))
-	dropdown.Add(dropdown.label)
-	dropdown.Add(NewIcon(tomo.IconListChoose, tomo.IconSizeSmall))
+	dropdown.box.SetRole(tomo.R("objects", "Dropdown"))
+	dropdown.box.SetAttr(tomo.ALayout(layouts.Row { true, false }))
+	dropdown.box.Add(dropdown.label)
+	dropdown.box.Add(NewIcon(tomo.IconListChoose, tomo.IconSizeSmall))
 	
 	dropdown.SetItems(items...)
 	if len(items) > 0 {
 		dropdown.SetValue(items[0])
 	}
 	
-	dropdown.SetInputMask(true)
-	dropdown.OnButtonDown(dropdown.handleButtonDown)
-	dropdown.OnButtonUp(dropdown.handleButtonUp)
-	dropdown.OnKeyDown(dropdown.handleKeyDown)
-	dropdown.OnKeyUp(dropdown.handleKeyUp)
-	dropdown.SetFocusable(true)
+	dropdown.box.SetInputMask(true)
+	dropdown.box.OnButtonDown(dropdown.handleButtonDown)
+	dropdown.box.OnButtonUp(dropdown.handleButtonUp)
+	dropdown.box.OnKeyDown(dropdown.handleKeyDown)
+	dropdown.box.OnKeyUp(dropdown.handleKeyUp)
+	dropdown.box.SetFocusable(true)
 	return dropdown
 }
 
+// GetBox returns the underlying box.
+func (this *Dropdown) GetBox () tomo.Box {
+	return this.box
+}
+
+// SetFocused sets whether or not this dropdown has keyboard focus. If set to
+// true, this method will steal focus away from whichever object currently has
+// focus.
+func (this *Dropdown) SetFocused (focused bool) {
+	this.box.SetFocused(focused)
+}
+
 // Value returns the value of the dropdown. This does not necissarily have to be
 // in the list of items.
 func (this *Dropdown) Value () string {
@@ -107,7 +121,7 @@ func (this *Dropdown) handleButtonDown (button input.Button) bool {
 
 func (this *Dropdown) handleButtonUp (button input.Button) bool {
 	if !isClickingButton(button) { return false }
-	if this.Window().MousePosition().In(this.Bounds()) {
+	if this.box.Window().MousePosition().In(this.box.Bounds()) {
 		this.Choose()
 	}
 	return true