add bracketed paste mode support

gui/input.go

@@ -27,9 +27,7 @@ func (gui *GUI) key(w *glfw.Window, key glfw.Key, scancode int, action glfw.Acti
 		case modsPressed(mods, glfw.ModControl, glfw.ModShift):
 			switch key {
 			case glfw.KeyV:
-				// todo handle both these errors
-				_ = gui.terminal.Write([]byte(gui.window.GetClipboardString()))
-
+				_ = gui.terminal.Paste([]byte(gui.window.GetClipboardString()))
 			case glfw.KeySemicolon:
 				gui.config.Slomo = !gui.config.Slomo
 			}

terminal/modes.go

@@ -76,9 +76,7 @@ func csiSetMode(modeStr string, enabled bool, terminal *Terminal) error {
 			terminal.UseMainBuffer()
 		}
 	case "?2004":
-		if enabled {
-			return fmt.Errorf("Bracketed paste mode is not yet supported")
-		}
+		terminal.SetBracketedPasteMode(enabled)
 	default:
 		return fmt.Errorf("Unsupported CSI %sl code", modeStr)
 	}

terminal/terminal.go

@@ -32,20 +32,21 @@ const (
 )
 
 type Terminal struct {
-	buffers           []*buffer.Buffer
-	activeBufferIndex uint8
-	lock              sync.Mutex
-	pty               *os.File
-	logger            *zap.SugaredLogger
-	title             string
-	size              Winsize
-	config            *config.Config
-	titleHandlers     []chan bool
-	pauseChan         chan bool
-	resumeChan        chan bool
-	modes             Modes
-	mouseMode         MouseMode
-	isDirty           bool
+	buffers            []*buffer.Buffer
+	activeBufferIndex  uint8
+	lock               sync.Mutex
+	pty                *os.File
+	logger             *zap.SugaredLogger
+	title              string
+	size               Winsize
+	config             *config.Config
+	titleHandlers      []chan bool
+	pauseChan          chan bool
+	resumeChan         chan bool
+	modes              Modes
+	mouseMode          MouseMode
+	bracketedPasteMode bool
+	isDirty            bool
 }
 
 type Modes struct {
@@ -92,6 +93,10 @@ func New(pty *os.File, logger *zap.SugaredLogger, config *config.Config) *Termin
 
 }
 
+func (terminal *Terminal) SetBracketedPasteMode(enabled bool) {
+	terminal.bracketedPasteMode = enabled
+}
+
 func (terminal *Terminal) CheckDirty() bool {
 	d := terminal.isDirty
 	terminal.isDirty = false
@@ -214,6 +219,15 @@ func (terminal *Terminal) Write(data []byte) error {
 	return err
 }
 
+func (terminal *Terminal) Paste(data []byte) error {
+
+	if terminal.bracketedPasteMode {
+		data = []byte(fmt.Sprintf("\x1b[200~%s\x1b[201~", string(data)))
+	}
+	_, err := terminal.pty.Write(data)
+	return err
+}
+
 // Read needs to be run on a goroutine, as it continually reads output to set on the terminal
 func (terminal *Terminal) Read() error {