Keynav skips masked boxes

internal/system/hierarchy.go

@@ -287,13 +287,26 @@ func (this *Hierarchy) considerMaskingParents (box anyBox) anyBox {
 	return box
 }
 
+func (this *Hierarchy) isMasked (box anyBox) bool {
+	parent := box.getParent()
+	for {
+		parentBox, ok := parent.(anyBox)
+		if !ok { break }
+		if parent.masks() {
+			return true
+		}
+		parent = parentBox.getParent()
+	}
+	return false
+}
+
 func (this *Hierarchy) focusNext () {
 	found   := !this.anyFocused()
 	focused := false
 	this.propagateAlt(func (box anyBox) bool {
 		if found {
 			// looking for the next box to select
-			if box.canBeFocused() {
+			if box.canBeFocused() && !this.isMasked(box) {
 				// found it
 				this.focus(box)
 				focused = true
@@ -318,7 +331,7 @@ func (this *Hierarchy) focusPrevious () {
 		if box == this.focused {
 			return false
 		}
-		if box.canBeFocused() { behind = box }
+		if box.canBeFocused() && !this.isMasked(box) { behind = box }
 		return true
 	})
 	this.focus(behind)

internal/system/textbox.go

@@ -290,7 +290,7 @@ func (this *textBox) runeUnderMouse () int {
 
 func (this *textBox) handleKeyDown (key input.Key, numberPad bool) bool {
 	if this.box.handleKeyDown(key, numberPad) { return true  }
-	if this.selectable                        { return false }
+	if !this.selectable                       { return false }
 
 	// because fuck you thats why!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 	modifiers := this.Window().Modifiers()
@@ -334,7 +334,7 @@ func (this *textBox) handleKeyDown (key input.Key, numberPad bool) bool {
 
 func (this *textBox) handleKeyUp (key input.Key, numberPad bool) bool {
 	if this.box.handleKeyUp(key, numberPad) { return true  }
-	if this.selectable                      { return false }
+	if !this.selectable                     { return false }
 	
 	modifiers := this.Window().Modifiers()
 	switch {