browse: loading and refreshing

.nanpa/ebony-fetal-ream.kdl

@@ -0,0 +1,2 @@
+patch type="added" "loading indicator on browse"
+patch type="added" "refresh button on browse"

app/browse.go

@@ -36,7 +36,7 @@ func NewBrowse() *Browse {
 	return &Browse{
 		title,
 		ui.NewList(list, 0),
-		"↑↓/kj move  ↵ enter  q return",
+		"↑↓/kj move  ↵ enter  r refresh  q return",
 		posts,
 	}
 }
@@ -57,6 +57,16 @@ func (browse *Browse) Event(state *ui.State, event vaxis.Event) (processed bool)
 		case "0", "1", "2", "3", "4", "5", "6", "7", "8", "9":
 			i, _ := strconv.Atoi(key.String())
 			browse.list.SetIndex(i)
+		case "r":
+			ready := false
+			go func() {
+				b := NewBrowse()
+				ready = true
+				ui.ViewChange <- b
+			}()
+			if !ready {
+				ui.ViewChange <- NewLoading("refreshing entries…")
+			}
 		case "q", "h", "Left":
 			ui.ViewChange <- NewMainMenu(3)
 		case "Enter", "l", "Right":
@@ -79,5 +89,5 @@ func (browse *Browse) Draw(state *ui.State) {
 		Width:  50,
 		Height: 10,
 	})
-	win.New(win.Width/2-15, win.Height/2+9, 30, 1).Print(vaxis.Segment{Text: browse.help})
+	win.New(win.Width/2-20, win.Height/2+9, 41, 1).Print(vaxis.Segment{Text: browse.help})
 }

app/loading.go

@@ -0,0 +1,31 @@
+package app
+
+import (
+	"git.sr.ht/~rockorager/vaxis"
+	"git.tilde.town/nbsp/neofeels/ui"
+)
+
+type Loading struct {
+	title string
+	text  string
+}
+
+func NewLoading(text string) *Loading {
+	return &Loading{title, text}
+}
+
+func (loading *Loading) Event(state *ui.State, event vaxis.Event) (processed bool) {
+	if key, ok := event.(vaxis.Key); ok && key.EventType == vaxis.EventPress {
+		switch key.String() {
+		case "Ctrl+c", "Ctrl+d":
+			close(ui.Quit)
+		case "Enter", "q", "h", "l", "Left", "Right":
+			ui.ViewChange <- NewMainMenu(3)
+		}
+		processed = true
+	}
+	win := state.Window()
+	win.New(win.Width/2-10, win.Height/2-8, 20, 5).Print(vaxis.Segment{Text: loading.title})
+	win.New((win.Width-len(loading.text))/2, win.Height/2-2, len(loading.text), 2).Print(vaxis.Segment{Text: loading.text})
+	return
+}

app/menu.go

@@ -120,7 +120,15 @@ func (menu *MainMenu) Event(state *ui.State, event vaxis.Event) (processed bool)
 			case 2:
 				ui.ViewChange <- NewNeighbors(0)
 			case 3:
-				ui.ViewChange <- NewBrowse()
+				ready := false
+				go func() {
+					b := NewBrowse()
+					ready = true
+					ui.ViewChange <- b
+				}()
+				if !ready {
+					ui.ViewChange <- NewLoading("loading entries…")
+				}
 			case 4:
 				ui.ViewChange <- NewSubscriptions(0)
 			case 5: