Update

main.go

@@ -1,9 +1,12 @@
 package main
 
 import (
+	"encoding/base64"
 	"fmt"
 	"os"
 
+	"golang.design/x/clipboard"
+
 	"github.com/charmbracelet/bubbles/help"
 	"github.com/charmbracelet/bubbles/key"
 	"github.com/charmbracelet/bubbles/textarea"
@@ -11,10 +14,6 @@ import (
 	"github.com/charmbracelet/lipgloss"
 )
 
-const (
-	helpHeight = 5
-)
-
 var (
 	cursorStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("212"))
 
@@ -40,7 +39,7 @@ var (
 )
 
 type keymap = struct {
-	next, prev, add, remove, quit key.Binding
+	next, copy, clear, quit key.Binding
 }
 
 func newTextarea() textarea.Model {
@@ -59,6 +58,8 @@ func newTextarea() textarea.Model {
 	t.KeyMap.DeleteWordBackward.SetEnabled(false)
 	t.KeyMap.LineNext = key.NewBinding(key.WithKeys("down"))
 	t.KeyMap.LinePrevious = key.NewBinding(key.WithKeys("up"))
+	t.CharLimit = (1024 * 8) * 8
+	t.MaxHeight = 1024 * 8
 	t.Blur()
 	return t
 }
@@ -86,6 +87,12 @@ func newModel() model {
 				key.WithKeys("esc", "ctrl+c"),
 				key.WithHelp("esc", "quit"),
 			),
+			copy: key.NewBinding(
+				key.WithKeys("ctrl+x"),
+			),
+			clear: key.NewBinding(
+				key.WithKeys("ctrl+r"),
+			),
 		},
 	}
 	m.decoded.Focus()
@@ -114,6 +121,15 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				cmds = append(cmds, m.encoded.Focus())
 				m.decoded.Blur()
 			}
+		case key.Matches(msg, m.keymap.copy):
+			if m.encoded.Focused() {
+				clipboard.Write(clipboard.FmtText, []byte(m.encoded.Value()))
+			} else if m.decoded.Focused() {
+				clipboard.Write(clipboard.FmtText, []byte(m.decoded.Value()))
+			}
+		case key.Matches(msg, m.keymap.clear):
+			m.encoded.SetValue("")
+			m.decoded.SetValue("")
 		}
 	case tea.WindowSizeMsg:
 		m.height = msg.Height
@@ -122,42 +138,52 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 	m.sizeInputs()
 
-	// Update all textareas
+	if m.encoded.Focused() {
+		decoded, err := base64.StdEncoding.DecodeString(m.encoded.Value())
+		if err != nil {
+			// log.Printf("failed to decode: %v", err)
+		} else {
+			m.decoded.SetValue(string(decoded))
+		}
+	} else if m.decoded.Focused() {
+		encoded := base64.StdEncoding.EncodeToString([]byte(m.decoded.Value()))
+		m.encoded.SetValue(string(encoded))
+	}
+
 	encoded, cmd := m.encoded.Update(msg)
 	cmds = append(cmds, cmd)
 	m.encoded = encoded
 
 	decoded, cmd := m.decoded.Update(msg)
-	cmds  = append(cmds, cmd)
+	cmds = append(cmds, cmd)
 	m.decoded = decoded
 
 	return m, tea.Batch(cmds...)
 }
 
 func (m *model) sizeInputs() {
-	m.encoded.SetHeight(m.height-5)
-	m.decoded.SetHeight(m.height-5)
-	m.encoded.SetWidth(m.width/2-5)
-	m.decoded.SetCursor(m.width/2-5)
+	m.encoded.SetHeight(m.height - 5)
+	m.decoded.SetHeight(m.height - 5)
+	m.encoded.SetWidth(m.width/2 - 5)
+	m.decoded.SetWidth(m.width/2 - 5)
 }
 
 func (m model) View() string {
 	help := m.help.ShortHelpView([]key.Binding{
 		m.keymap.next,
-		m.keymap.prev,
-		m.keymap.add,
-		m.keymap.remove,
+		m.keymap.copy,
 		m.keymap.quit,
 	})
 
 	var views []string
-	views = append(views, m.encoded.View())
 	views = append(views, m.decoded.View())
+	views = append(views, m.encoded.View())
 
 	return lipgloss.JoinHorizontal(lipgloss.Top, views...) + "\n" + help
 }
 
 func main() {
+	clipboard.Init()
 	if _, err := tea.NewProgram(newModel(), tea.WithAltScreen()).Run(); err != nil {
 		fmt.Println("Error while running program:", err)
 		os.Exit(1)