It compiles

backends/x/window.go

@@ -94,6 +94,30 @@ func (window *window) NotifyMinimumSizeChange (child elements.Element) {
 	window.childMinimumSizeChangeCallback(child.MinimumSize())
 }
 
+func (window *window) RequestFocus (
+	child elements.Focusable,
+) (
+	granted bool,
+) {
+	return true
+}
+
+func (window *window) RequestFocusNext (child elements.Focusable) {
+	if child, ok := window.child.(elements.Focusable); ok {
+		if !child.HandleFocus(input.KeynavDirectionForward) {
+			child.HandleUnfocus()
+		}
+	}
+}
+
+func (window *window) RequestFocusPrevious (child elements.Focusable) {
+	if child, ok := window.child.(elements.Focusable); ok {
+		if !child.HandleFocus(input.KeynavDirectionBackward) {
+			child.HandleUnfocus()
+		}
+	}
+}
+
 func (window *window) Adopt (child elements.Element) {
 	// disown previous child
 	if window.child != nil {
@@ -305,27 +329,6 @@ func (window *window) childMinimumSizeChangeCallback (width, height int) (resize
 	return false
 }
 
-func (window *window) childSelectionRequestCallback () (granted bool) {
-	if _, ok := window.child.(elements.Focusable); ok {
-		return true
-	}
-	return false
-}
-
-func (window *window) childSelectionMotionRequestCallback (
-	direction input.KeynavDirection,
-) (
-	granted bool,
-) {
-	if child, ok := window.child.(elements.Focusable); ok {
-		if !child.HandleFocus(direction) {
-			child.HandleUnfocus()
-		}
-		return true
-	}
-	return true
-}
-
 func (window *window) pushRegion (region image.Rectangle) {
 	if window.xCanvas == nil { panic("whoopsie!!!!!!!!!!!!!!") }
 	image, ok := window.xCanvas.SubImage(region).(*xgraphics.Image)

elements/container.go

@@ -1,7 +1,5 @@
 package elements
 
-import "git.tebibyte.media/sashakoshka/tomo/input"
-
 // Parent represents a type capable of containing child elements.
 type Parent interface {
 	// NotifyMinimumSizeChange notifies the container that a child element's

elements/core/propagator.go

@@ -51,8 +51,7 @@ func (propagator *Propagator) Focus () {
 	parent := propagator.core.Parent()
 	if parent, ok := parent.(elements.FocusableParent); ok && parent != nil {
 		propagator.focused = parent.RequestFocus (
-			propagator.core.Outer().(elements.Focusable),
-			input.KeynavDirectionNeutral)
+			propagator.core.Outer().(elements.Focusable))
 	}
 }
 
@@ -131,9 +130,8 @@ func (propagator *Propagator) RequestFocus (
 ) (
 	granted bool,
 ) {
-	// TODO implement this, and also implement it for the x backend window
 	if parent, ok := propagator.core.Parent().(elements.FocusableParent); ok {
-		if parent.RequestFocus(propagator) {
+		if parent.RequestFocus(propagator.core.Outer().(elements.Focusable)) {
 			propagator.focused = true
 			granted = true
 		}
@@ -146,7 +144,7 @@ func (propagator *Propagator) RequestFocus (
 func (propagator *Propagator) RequestFocusNext (child elements.Focusable) {
 	if !propagator.focused { return }
 	if parent, ok := propagator.core.Parent().(elements.FocusableParent); ok {
-		parent.RequestFocusNext(propagator)
+		parent.RequestFocusNext(propagator.core.Outer().(elements.Focusable))
 	}
 }
 
@@ -155,7 +153,7 @@ func (propagator *Propagator) RequestFocusNext (child elements.Focusable) {
 func (propagator *Propagator) RequestFocusPrevious (child elements.Focusable) {
 	if !propagator.focused { return }
 	if parent, ok := propagator.core.Parent().(elements.FocusableParent); ok {
-		parent.RequestFocusPrevious(propagator)
+		parent.RequestFocusPrevious(propagator.core.Outer().(elements.Focusable))
 	}
 }