From e33bf110123b8715a1399240c54e622456d9a374 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 14 Mar 2022 22:00:41 +0530
Subject: [PATCH] Store last reported CWD via OSC 7

Can be used with shell integration to give more accurate
cwd detection and also combined with the ssh kitten
to magically open new windows connected to remote servers
at the correct cwd on the remote server instantly.
---
 kitty/screen.c | 10 ++++++----
 kitty/screen.h |  1 +
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/kitty/screen.c b/kitty/screen.c
index 624f32c51..334f552c6 100644
--- a/kitty/screen.c
+++ b/kitty/screen.c
@@ -445,6 +445,7 @@ dealloc(Screen* self) {
     pthread_mutex_destroy(&self->write_buf_lock);
     Py_CLEAR(self->main_grman);
     Py_CLEAR(self->alt_grman);
+    Py_CLEAR(self->last_reported_cwd);
     PyMem_RawFree(self->write_buf);
     Py_CLEAR(self->callbacks);
     Py_CLEAR(self->test_child);
@@ -2069,10 +2070,10 @@ set_color_table_color(Screen *self, unsigned int code, PyObject *color) {
 }
 
 void
-process_cwd_notification(Screen *self, unsigned int code, PyObject *cwd) {
-    (void)self; (void)code; (void)cwd;
-    // we ignore this as we dont need the stupid OSC 7 cwd reporting protocol,
-    // since, being moderately intelligent, we can get CWD directly.
+process_cwd_notification(Screen *self, unsigned int code UNUSED, PyObject *cwd) {
+    Py_CLEAR(self->last_reported_cwd);
+    self->last_reported_cwd = cwd;
+    Py_INCREF(self->last_reported_cwd);
 }
 
 void
@@ -3998,6 +3999,7 @@ static PyGetSetDef getsetters[] = {
 static PyMemberDef members[] = {
     {"callbacks", T_OBJECT_EX, offsetof(Screen, callbacks), 0, "callbacks"},
     {"cursor", T_OBJECT_EX, offsetof(Screen, cursor), READONLY, "cursor"},
+    {"last_reported_cwd", T_OBJECT_EX, offsetof(Screen, last_reported_cwd), READONLY, "last_reported_cwd"},
     {"grman", T_OBJECT_EX, offsetof(Screen, grman), READONLY, "grman"},
     {"color_profile", T_OBJECT_EX, offsetof(Screen, color_profile), READONLY, "color_profile"},
     {"linebuf", T_OBJECT_EX, offsetof(Screen, linebuf), READONLY, "linebuf"},
diff --git a/kitty/screen.h b/kitty/screen.h
index 6f5bad355..c081b2518 100644
--- a/kitty/screen.h
+++ b/kitty/screen.h
@@ -149,6 +149,7 @@ typedef struct {
         index_type y;
         bool is_set;
     } last_visited_prompt;
+    PyObject *last_reported_cwd;
 } Screen;