🐛 Fail gracefully when none found

io/boolean/boolean.go

@@ -0,0 +1,26 @@
+package boolean
+
+import "github.com/rivo/tview"
+
+func Choose(text string) bool {
+	choice := false
+	app := tview.NewApplication()
+	modal := tview.NewModal()
+	if text != "" {
+		modal.SetText(text)
+	}
+
+	modal.AddButtons([]string{"Yes", "No"}).
+		SetDoneFunc(func(buttonIndex int, buttonLabel string) {
+			if buttonLabel == "Yes" {
+				choice = true
+			}
+			app.Stop()
+		})
+
+	if err := app.SetRoot(modal, false).EnableMouse(true).Run(); err != nil {
+		panic(err)
+	}
+
+	return choice
+}

io/list/list.go

@@ -0,0 +1,66 @@
+package list
+
+import "github.com/rivo/tview"
+
+type Option interface {
+	Title() string
+	Text() string
+	Rune() rune
+	Selected() func()
+}
+
+type opt struct {
+	tit string
+	t   string
+	r   rune
+}
+
+func (o opt) Title() string {
+	return o.tit
+}
+
+func (o opt) Text() string {
+	return o.t
+}
+
+func (o opt) Rune() rune {
+	return o.r
+}
+
+func (o opt) Selected() func() {
+	return nil
+}
+
+func SimpleItem(title, text string, char rune) Option {
+	return opt{title, text, char}
+}
+
+func List(title string, items []Option, cb func(*tview.List)) Option {
+	if len(items) == 0 {
+		return opt{}
+	}
+
+	var index int
+
+	app := tview.NewApplication()
+	list := tview.NewList()
+	for _, item := range items {
+		list.AddItem(item.Title(), item.Text(), item.Rune(), item.Selected())
+	}
+	list.Box.SetBorder(true).SetTitle(title)
+
+	if cb != nil {
+		cb(list)
+	}
+
+	list.SetSelectedFunc(func(idx int, _ string, _ string, _ rune) {
+		index = idx
+		app.Stop()
+	})
+
+	if err := app.SetRoot(list, true).EnableMouse(true).Run(); err != nil {
+		panic(err)
+	}
+
+	return items[index]
+}

io/message/message.go

@@ -0,0 +1,20 @@
+package message
+
+import "github.com/rivo/tview"
+
+func Message(text string) {
+	app := tview.NewApplication()
+	modal := tview.NewModal()
+	if text != "" {
+		modal.SetText(text)
+	}
+
+	modal.AddButtons([]string{"Ok"}).
+		SetDoneFunc(func(buttonIndex int, buttonLabel string) {
+			app.Stop()
+		})
+
+	if err := app.SetRoot(modal, false).EnableMouse(true).Run(); err != nil {
+		panic(err)
+	}
+}