DRYer

kittens/clipboard/legacy.go

@@ -110,11 +110,10 @@ func run_plain_text_loop(opts *Options) (err error) {
 			defer tempfile.Close()
 		}
 	}
-	lp, err := loop.New(loop.NoAlternateScreen, loop.NoRestoreColors, loop.NoMouseTracking, loop.NoInBandResizeNotifications)
+	lp, err := loop.NewForSimpleInteraction()
 	if err != nil {
 		return
 	}
-	lp.NoRoundtripToTerminalOnExit = true
 	dest := "c"
 	if opts.UsePrimary {
 		dest = "p"

kittens/clipboard/read.go

@@ -286,11 +286,10 @@ func parse_aliases(raw []string) (map[string][]string, error) {
 }
 
 func run_get_loop(opts *Options, args []string) (err error) {
-	lp, err := loop.New(loop.NoAlternateScreen, loop.NoRestoreColors, loop.NoMouseTracking, loop.NoInBandResizeNotifications, loop.NoFocusTracking)
+	lp, err := loop.NewForSimpleInteraction()
 	if err != nil {
 		return err
 	}
-	lp.NoRoundtripToTerminalOnExit = true
 	var available_mimes []string
 	var wg sync.WaitGroup
 	var getting_data_for string

kittens/clipboard/write.go

@@ -43,11 +43,10 @@ func (self *Input) has_mime_matching(predicate func(string) bool) bool {
 }
 
 func write_loop(inputs []*Input, opts *Options) (err error) {
-	lp, err := loop.New(loop.NoAlternateScreen, loop.NoRestoreColors, loop.NoMouseTracking, loop.NoInBandResizeNotifications, loop.NoFocusTracking)
+	lp, err := loop.NewForSimpleInteraction()
 	if err != nil {
 		return err
 	}
-	lp.NoRoundtripToTerminalOnExit = true
 	var waiting_for_write loop.IdType
 	var buf [4096]byte
 	aliases, aerr := parse_aliases(opts.Alias)

kittens/icat/detect.go

@@ -21,12 +21,11 @@ func DetectSupport(timeout time.Duration) (memory, files, direct bool, err error
 	temp_files_to_delete := make([]string, 0, 8)
 	shm_files_to_delete := make([]shm.MMap, 0, 8)
 	var direct_query_id, file_query_id, memory_query_id uint32
-	lp, e := loop.New(loop.NoAlternateScreen, loop.NoRestoreColors, loop.NoMouseTracking, loop.NoInBandResizeNotifications, loop.NoFocusTracking)
+	lp, e := loop.NewForSimpleInteraction()
 	if e != nil {
 		err = e
 		return
 	}
-	lp.NoRoundtripToTerminalOnExit = true
 	print_error := func(format string, args ...any) {
 		lp.Println(fmt.Sprintf(format, args...))
 	}

kittens/notify/main.go

@@ -112,11 +112,10 @@ func (p *parsed_data) generate_chunks(callback func(string)) {
 }
 
 func (p *parsed_data) run_loop() (err error) {
-	lp, err := loop.New(loop.NoAlternateScreen, loop.NoRestoreColors, loop.NoMouseTracking, loop.NoInBandResizeNotifications, loop.NoFocusTracking)
+	lp, err := loop.NewForSimpleInteraction()
 	if err != nil {
 		return err
 	}
-	lp.NoRoundtripToTerminalOnExit = true
 	activated := -1
 	prefix := ESC_CODE_PREFIX + "i=" + p.identifier
 

kittens/query_terminal/main.go

@@ -26,11 +26,10 @@ func main(cmd *cli.Command, opts *Options, args []string) (rc int, err error) {
 			queries[i] = x
 		}
 	}
-	lp, err := loop.New(loop.NoAlternateScreen, loop.NoKeyboardStateChange, loop.NoMouseTracking, loop.NoRestoreColors, loop.NoInBandResizeNotifications, loop.NoFocusTracking)
+	lp, err := loop.NewForSimpleInteraction()
 	if err != nil {
 		return 1, err
 	}
-	lp.NoRoundtripToTerminalOnExit = true
 	timed_out := false
 	lp.OnInitialize = func() (string, error) {
 		lp.QueryTerminal(queries...)

tools/cmd/at/tty_io.go

@@ -27,19 +27,15 @@ func is_stream_response(serialized_response []byte) bool {
 
 func do_chunked_io(io_data *rc_io_data) (serialized_response []byte, err error) {
 	serialized_response = make([]byte, 0)
-	// we cant do inbandresize notification as in the --no-response case the
+	lp, err := loop.NewForSimpleInteraction()
-	// command can cause a resize and the loop can quit before the notification
-	// arrives, leading to the notification being sent to whatever is executed
-	// after us. Similarly no focus tracking.
-	lp, err := loop.New(loop.NoAlternateScreen, loop.NoRestoreColors, loop.NoInBandResizeNotifications, loop.NoFocusTracking)
 	if err != nil {
 		return
 	}
 	if io_data.on_key_event != nil {
 		lp.FullKeyboardProtocol()
+		lp.NoRoundtripToTerminalOnExit = false
 	} else {
 		lp.NoKeyboardStateChange()
-		lp.NoRoundtripToTerminalOnExit = true
 	}
 
 	const (

tools/tui/loop/api.go

@@ -141,6 +141,21 @@ func New(options ...func(self *Loop)) (*Loop, error) {
 	return l, nil
 }
 
+// Create a loop that does not change terminal state such as keyboard mode,
+// resize/focus notifications, mouse tracking, alternate screen etc. Useful
+// for special purpose kittens such as icat/clipboard/@ etc.
+func NewForSimpleInteraction() (*Loop, error) {
+	lp, err := New(
+		NoAlternateScreen, NoRestoreColors, NoMouseTracking, NoInBandResizeNotifications,
+		NoFocusTracking, NoKeyboardStateChange,
+	)
+	if err == nil {
+		lp.NoRoundtripToTerminalOnExit = true
+		lp.terminal_options.color_scheme_change_notification = false
+	}
+	return lp, err
+}
+
 func (self *Loop) AddTimer(interval time.Duration, repeats bool, callback TimerCallback) (IdType, error) {
 	return self.add_timer(interval, repeats, callback)
 }