screen: working on the dialog component

Author: abdullin

screen/dialog.go

@@ -22,6 +22,19 @@ func (d *DialogRef) SetContent(i ID) {
 	d.a.Apply(&DialogContentChanged{ID: d.ID, ContentID: i, PreviousID: dc.content})
 }
 
+func (d *DialogRef) SetTitle(x string) {
+	s := d.a.s
+	t := s.controls[d.ID].(*dialogCtl).title
+	if t == x {
+		return
+	}
+	d.a.Apply(&DialogTitleChanged{ID: d.ID, Title: x})
+}
+
+func (d *DialogRef) DoSetTitle(x string) {
+
+}
+
 func (d *DialogRef) Show() {
 	s := d.a.s
 
@@ -50,3 +63,8 @@ type DialogContentChanged struct {
 	ContentID  ID `json:"contentId"`
 	PreviousID ID `json:"previousId"`
 }
+
+type DialogTitleChanged struct {
+	ID    ID     `json:"id"`
+	Title string `json:"title"`
+}

screen/manual_test.go

@@ -19,6 +19,8 @@ func Test(t *testing.T) {
 	d.SetContent(h.ID)
 	d.Show()
 
+	h.OnClick(d.DoSetTitle("YEP!"))
+
 	time.Sleep(time.Millisecond)
 
 }
@@ -31,7 +33,5 @@ func printEvents(c chan interface{}) {
 		} else {
 			fmt.Printf("%T: %s\n", e, string(b))
 		}
-
 	}
-
 }

screen/state.go

@@ -30,6 +30,8 @@ func (s *state) apply(e interface{}) {
 	case *DialogShown:
 		s.top = t.ID
 		s.controls[t.ID].(*dialogCtl).visible = true
+	case *DialogTitleChanged:
+		s.controls[t.ID].(*dialogCtl).title = t.Title
 	default:
 		panic("Unknown event type")
 	}