Turn off focus tracking while doing tty remote control

Fixes #8733

tools/tui/loop/api.go

@@ -209,6 +209,15 @@ func NoRestoreColors(self *Loop) {
 	self.terminal_options.restore_colors = false
 }
 
+func (self *Loop) NoFocusTracking() *Loop {
+	self.terminal_options.focus_tracking = false
+	return self
+}
+
+func NoFocusTracking(self *Loop) {
+	self.terminal_options.focus_tracking = false
+}
+
 func (self *Loop) ColorSchemeChangeNotifications() *Loop {
 	self.terminal_options.color_scheme_change_notification = true
 	return self

tools/tui/loop/run.go

@@ -26,6 +26,7 @@ func new_loop() *Loop {
 	l := Loop{controlling_term: nil}
 	l.terminal_options.Alternate_screen = true
 	l.terminal_options.restore_colors = true
+	l.terminal_options.focus_tracking = true
 	l.terminal_options.in_band_resize_notification = true
 	l.terminal_options.color_scheme_change_notification = false
 	l.terminal_options.kitty_keyboard_mode = DISAMBIGUATE_KEYS | REPORT_ALTERNATE_KEYS | REPORT_ALL_KEYS_AS_ESCAPE_CODES | REPORT_TEXT_WITH_KEYS

tools/tui/loop/terminal-state.go

@@ -102,6 +102,7 @@ type TerminalStateOptions struct {
 	mouse_tracking                   MouseTracking
 	kitty_keyboard_mode              KeyboardStateBits
 	in_band_resize_notification      bool
+	focus_tracking                   bool
 	color_scheme_change_notification bool
 }
 
@@ -131,7 +132,10 @@ func (self *TerminalStateOptions) SetStateEscapeCodes() string {
 	reset_modes(&sb,
 		IRM, DECKM, DECSCNM, BRACKETED_PASTE,
 		MOUSE_BUTTON_TRACKING, MOUSE_MOTION_TRACKING, MOUSE_MOVE_TRACKING, MOUSE_UTF8_MODE, MOUSE_SGR_MODE)
-	set_modes(&sb, DECARM, DECAWM, DECTCEM, FOCUS_TRACKING)
+	set_modes(&sb, DECARM, DECAWM, DECTCEM)
+	if self.focus_tracking {
+		set_modes(&sb, FOCUS_TRACKING)
+	}
 	if self.in_band_resize_notification {
 		set_modes(&sb, INBAND_RESIZE_NOTIFICATION)
 	}