Nicer API for setting loop options

tools/tui/loop/api.go

@@ -71,9 +71,10 @@ type Loop struct {
 	OnReceivedData func(data []byte) error
 }
 
-func New() (*Loop, error) {
+func New(options ...func(self *Loop)) (*Loop, error) {
 	l := Loop{controlling_term: nil, timers_temp: make([]*timer, 4)}
 	l.terminal_options.alternate_screen = true
+	l.terminal_options.restore_colors = true
 	l.escape_code_parser.HandleCSI = l.handle_csi
 	l.escape_code_parser.HandleOSC = l.handle_osc
 	l.escape_code_parser.HandleDCS = l.handle_dcs
@@ -81,6 +82,9 @@ func New() (*Loop, error) {
 	l.escape_code_parser.HandleSOS = l.handle_sos
 	l.escape_code_parser.HandlePM = l.handle_pm
 	l.escape_code_parser.HandleRune = l.handle_rune
+	for _, f := range options {
+		f(&l)
+	}
 	return &l, nil
 }
 
@@ -109,12 +113,31 @@ func (self *Loop) RemoveTimer(id IdType) bool {
 	return false
 }
 
-func (self *Loop) NoAlternateScreen() {
+func (self *Loop) NoAlternateScreen() *Loop {
+	self.terminal_options.alternate_screen = false
+	return self
+}
+
+func NoAlternateScreen(self *Loop) {
 	self.terminal_options.alternate_screen = false
 }
 
-func (self *Loop) MouseTracking(mt MouseTracking) {
+func (self *Loop) MouseTrackingMode(mt MouseTracking) *Loop {
 	self.terminal_options.mouse_tracking = mt
+	return self
+}
+
+func MouseTrackingMode(self *Loop, mt MouseTracking) {
+	self.terminal_options.mouse_tracking = mt
+}
+
+func (self *Loop) NoRestoreColors() *Loop {
+	self.terminal_options.restore_colors = false
+	return self
+}
+
+func NoRestoreColors(self *Loop) {
+	self.terminal_options.restore_colors = false
 }
 
 func (self *Loop) DeathSignalName() string {

tools/tui/loop/terminal-state.go

@@ -76,8 +76,8 @@ const (
 )
 
 type TerminalStateOptions struct {
-	alternate_screen, no_kitty_keyboard_mode bool
-	mouse_tracking                           MouseTracking
+	alternate_screen, kitty_keyboard_mode, restore_colors bool
+	mouse_tracking                                        MouseTracking
 }
 
 func set_modes(sb *strings.Builder, modes ...Mode) {
@@ -100,7 +100,9 @@ func (self *TerminalStateOptions) SetStateEscapeCodes() []byte {
 		sb.WriteString(SAVE_CURSOR)
 	}
 	sb.WriteString(SAVE_PRIVATE_MODE_VALUES)
-	sb.WriteString(SAVE_COLORS)
+	if self.restore_colors {
+		sb.WriteString(SAVE_COLORS)
+	}
 	sb.WriteString(DECSACE_DEFAULT_REGION_SELECT)
 	reset_modes(&sb,
 		IRM, DECKM, DECSCNM, BRACKETED_PASTE, FOCUS_TRACKING,
@@ -110,10 +112,10 @@ func (self *TerminalStateOptions) SetStateEscapeCodes() []byte {
 		set_modes(&sb, ALTERNATE_SCREEN)
 		sb.WriteString(CLEAR_SCREEN)
 	}
-	if self.no_kitty_keyboard_mode {
-		sb.WriteString("\033[>u")
-	} else {
+	if self.kitty_keyboard_mode {
 		sb.WriteString("\033[>31u")
+	} else {
+		sb.WriteString("\033[>u")
 	}
 	if self.mouse_tracking != NO_MOUSE_TRACKING {
 		sb.WriteString(MOUSE_SGR_PIXEL_MODE.EscapeCodeToSet())
@@ -139,7 +141,9 @@ func (self *TerminalStateOptions) ResetStateEscapeCodes() []byte {
 		sb.WriteString(SAVE_CURSOR)
 	}
 	sb.WriteString(RESTORE_PRIVATE_MODE_VALUES)
-	sb.WriteString(RESTORE_CURSOR)
+	if self.restore_colors {
+		sb.WriteString(RESTORE_CURSOR)
+	}
 	sb.WriteString(RESTORE_COLORS)
 	return []byte(sb.String())
 }

tools/tui/password.go

@@ -21,8 +21,7 @@ func (self *KilledBySignal) Error() string { return self.Msg }
 var Canceled = errors.New("Canceled by user")
 
 func ReadPassword(prompt string, kill_if_signaled bool) (password string, err error) {
-	lp, err := loop.New()
-	lp.NoAlternateScreen()
+	lp, err := loop.New(loop.NoAlternateScreen, loop.NoRestoreColors)
 	shadow := ""
 	if err != nil {
 		return