First pass at text input

examples/input/main.go

@@ -0,0 +1,68 @@
+package main
+
+// A simple program that counts down from 5 and then exits.
+
+import (
+	"fmt"
+	"log"
+	"tea"
+
+	"tea/input"
+)
+
+type model struct {
+	input input.Model
+}
+
+type tickMsg struct{}
+
+func main() {
+	tea.UseSysLog("tea")
+
+	p := tea.NewProgram(
+		model{
+			input: input.DefaultModel(),
+		},
+		update,
+		view,
+		nil,
+		//[]tea.Sub{input.Blink},
+	)
+
+	if err := p.Start(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func update(msg tea.Msg, mdl tea.Model) (tea.Model, tea.Cmd) {
+	var cmd tea.Cmd
+
+	m, _ := mdl.(model)
+
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "break":
+			fallthrough
+		case "esc":
+			return m, tea.Quit
+		}
+
+	case input.CursorBlinkMsg:
+		return input.Update(msg, m.input)
+	}
+
+	m.input, cmd = input.Update(msg, m.input)
+	return m, cmd
+}
+
+func view(mdl tea.Model) string {
+	m, _ := mdl.(model)
+	help := "(esc to exit)"
+
+	return fmt.Sprintf(
+		"What’s your favorite Pokémon?\n\n%s\n\n%s",
+		input.View(m.input),
+		help,
+	)
+}