1 files changed, 15 insertions, 17 deletions
diff --git a/src/nvim/tui/input.h b/src/nvim/tui/input.h
index d33cea6383..2743a5e286 100644
--- a/src/nvim/tui/input.h
+++ b/src/nvim/tui/input.h
@@ -1,5 +1,4 @@
-#ifndef NVIM_TUI_INPUT_H
-#define NVIM_TUI_INPUT_H
+#pragma once
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -10,33 +9,34 @@
 #include "nvim/event/stream.h"
 #include "nvim/event/time.h"
 #include "nvim/rbuffer.h"
-#include "nvim/tui/input_defs.h"
+#include "nvim/tui/input_defs.h"  // IWYU pragma: export
 #include "nvim/tui/tui.h"
+#include "nvim/types_defs.h"
 
 typedef enum {
-  kExtkeysNone,
-  kExtkeysCSIu,
-  kExtkeysXterm,
-} ExtkeysType;
+  kKeyEncodingLegacy,  ///< Legacy key encoding
+  kKeyEncodingKitty,   ///< Kitty keyboard protocol encoding
+  kKeyEncodingXterm,   ///< Xterm's modifyOtherKeys encoding (XTMODKEYS)
+} KeyEncoding;
 
-typedef struct term_input {
+typedef struct {
   int in_fd;
   // Phases: -1=all 0=disabled 1=first-chunk 2=continue 3=last-chunk
   int8_t paste;
-  bool waiting;
   bool ttimeout;
-  int8_t waiting_for_bg_response;
-  int8_t waiting_for_csiu_response;
-  ExtkeysType extkeys_type;
-  long ttimeoutlen;
+
+  bool waiting_for_kkp_response;  ///< True if we are expecting to receive a response to a query for
+                                  ///< Kitty keyboard protocol support
+
+  KeyEncoding key_encoding;       ///< The key encoding used by the terminal emulator
+
+  OptInt ttimeoutlen;
   TermKey *tk;
   TermKey_Terminfo_Getstr_Hook *tk_ti_hook_fn;  ///< libtermkey terminfo hook
   TimeWatcher timer_handle;
   Loop *loop;
   Stream read_stream;
   RBuffer *key_buffer;
-  uv_mutex_t key_buffer_mutex;
-  uv_cond_t key_buffer_cond;
   TUIData *tui_data;
 } TermInput;
 
@@ -49,5 +49,3 @@ typedef enum {
 #ifdef INCLUDE_GENERATED_DECLARATIONS
 # include "tui/input.h.generated.h"
 #endif
-
-#endif  // NVIM_TUI_INPUT_H