use disabled list to avoid builtin focus handling

ui/widgets/disabledlist.go

@@ -0,0 +1,33 @@
+package widgets
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/widget"
+)
+
+// DisabledList extends List to be disabled so that the
+// focus manager considers it unfocusable.
+// This is needed since we handle row focusability ourselves.
+type DisabledList struct {
+	widget.List
+}
+
+func NewDisabledList(len func() int, create func() fyne.CanvasObject, update func(widget.GridWrapItemID, fyne.CanvasObject)) *DisabledList {
+	g := &DisabledList{
+		List: widget.List{
+			Length:     len,
+			CreateItem: create,
+			UpdateItem: update,
+		},
+	}
+	g.ExtendBaseWidget(g)
+	return g
+}
+
+var _ fyne.Disableable = (*DisabledList)(nil)
+
+func (g *DisabledList) Disabled() bool { return true }
+
+func (g *DisabledList) Disable() {}
+
+func (g *DisabledList) Enable() {}