Improve performance when pasting large amounts of text into readline by not redrawing on every char

tools/tui/loop/api.go

@@ -61,6 +61,7 @@ type Loop struct {
 	OnKeyEvent func(event *KeyEvent) error
 
 	// Called when text is received either from a key event or directly from the terminal
+	// Called with an empty string when bracketed paste ends
 	OnText func(text string, from_key_event bool, in_bracketed_paste bool) error
 
 	// Called when the terminal is resized

tools/tui/loop/run.go

@@ -31,6 +31,7 @@ func new_loop() *Loop {
 	l.escape_code_parser.HandleSOS = l.handle_sos
 	l.escape_code_parser.HandlePM = l.handle_pm
 	l.escape_code_parser.HandleRune = l.handle_rune
+	l.escape_code_parser.HandleEndOfBracketedPaste = l.handle_end_of_bracketed_paste
 	return &l
 }
 
@@ -128,6 +129,12 @@ func (self *Loop) handle_rune(raw rune) error {
 	return nil
 }
 
+func (self *Loop) handle_end_of_bracketed_paste() {
+	if self.OnText != nil {
+		self.OnText("", false, false)
+	}
+}
+
 func (self *Loop) on_signal(s unix.Signal) error {
 	switch s {
 	case unix.SIGINT: