unwind protobuf *any value

structs.go

@@ -41,7 +41,7 @@ type TreeInfo struct {
 	Disable       func(*Node)         // disable a widget
 	ShowTable     func(*guipb.Table)  // attempt at sending a whole table
 	currentTables []*guipb.Table      // track the list of tables?
-	Root          *guipb.Tree         // this is the future of this system
+	// Root          *guipb.Tree         // this is the future of this system
 }
 
 type Node struct {

table.go

@@ -15,6 +15,7 @@ import (
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/anypb"
 	"google.golang.org/protobuf/types/known/timestamppb"
+	"google.golang.org/protobuf/types/known/wrapperspb"
 )
 
 func (me *TreeInfo) doTable(a widget.Action) {
@@ -264,7 +265,11 @@ func (me *TreeInfo) addTableRow(t *guipb.Table, grid *Node, name string, w int)
 		me.Add(head)
 		h += 1
 		for _, v := range r.Widgets {
-			v.Name = fmt.Sprintf("%d", v.Size)
+			vi, err := extractInt64(v.Val)
+			if err != nil {
+				log.Log(TREEWARN, "int error", err)
+			}
+			v.Name = fmt.Sprintf("%d", vi)
 			// log.Info("tree: Add()ing to grid here", v.Id, v.Name, w, h)
 			lab := grid.makeGridLabel(v, w, h)
 			me.Add(lab)
@@ -308,6 +313,14 @@ func (me *TreeInfo) addTableRow(t *guipb.Table, grid *Node, name string, w int)
 	return false
 }
 
+func extractInt64(anyVal *anypb.Any) (int64, error) {
+	val := &wrapperspb.Int64Value{}
+	if err := anyVal.UnmarshalTo(val); err != nil {
+		return 0, err
+	}
+	return val.Value, nil
+}
+
 // returns true if widget is in a table
 func (n *Node) InTable() bool {
 	// log.Info("InTable() parent id =", n.ParentId)
@@ -337,7 +350,7 @@ func dumpTable(t *guipb.Table) {
 	for i, r := range t.IntRows {
 		log.Info("got int row:", t.Title, i, r.Header.Name, r.Vals)
 		for _, v := range r.Widgets {
-			log.Info("tree: got int widget:", v.Id, v.Size)
+			log.Info("tree: got int widget:", v.Id, v.Val)
 		}
 	}
 }