Merge pull request #6207 from TomJGooding/feat-windows-kitty-keyboard

feat: add kitty keyboard protocol support on Windows

Author: willmcgugan

CHANGELOG.md

@@ -23,6 +23,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Change highlight style of Select to only highlight the border, not the label https://github.com/Textualize/textual/pull/6214
 
+### Added
+
+- Added support for the kitty keyboard protocol on Windows https://github.com/Textualize/textual/pull/6207
+
 ## [6.5.0] - 2025-10-31
 
 ### Added

src/textual/drivers/windows_driver.py

@@ -96,6 +96,7 @@ def start_application_mode(self) -> None:
         self._enable_mouse_support()
         self.write("\x1b[?25l")  # Hide cursor
         self.write("\033[?1004h")  # Enable FocusIn/FocusOut.
+        self.write("\x1b[>1u")  # https://sw.kovidgoyal.net/kitty/keyboard-protocol/
         self.flush()
         self._enable_bracketed_paste()
 
@@ -123,6 +124,10 @@ def stop_application_mode(self) -> None:
         self._disable_bracketed_paste()
         self.disable_input()
 
+        # Disable the Kitty keyboard protocol. This must be done before leaving
+        # the alt screen. https://sw.kovidgoyal.net/kitty/keyboard-protocol/
+        self.write("\x1b[<u")
+
         # Disable alt screen, show cursor
         self.write("\x1b[?1049l" + "\x1b[?25h")
         self.write("\033[?1004l")  # Disable FocusIn/FocusOut.