From 0556ac14ecd6ae028dafe9645ac3bcefa8c0faf4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Mon, 30 Aug 2021 16:21:04 +0200
Subject: [PATCH] [draft] signal CWD change to terminal via OSC-7 (#1148)

* Signal CWD change to terminal via OSC-7

Closes #1147

* Make OSC-7 emission gated by NOX11

* Use newpath variable in gethostname()

Use dynamic memory for hostname
---
 src/nnn.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/nnn.c b/src/nnn.c
index 146acbbb..fc533310 100644
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -446,6 +446,7 @@ static char *listroot;
 static char *plgpath;
 static char *pnamebuf, *pselbuf, *findselpos;
 static char *mark;
+static char *hostname;
 #ifndef NOFIFO
 static char *fifopath;
 #endif
@@ -6503,6 +6504,9 @@ begin:
 
 #ifndef NOX11
 	if (cfg.x11 && !g_state.picker) {
+		/* Signal CWD change to terminal */
+		printf("\033]7;file://%s%s\033\\", hostname, path);
+
 		/* Set terminal window title */
 		r = set_tilde_in_path(path);
 
@@ -8113,6 +8117,8 @@ static void cleanup(void)
 	if (cfg.x11 && !g_state.picker) {
 		printf("\033[23;0t"); /* reset terminal window title */
 		fflush(stdout);
+
+		free(hostname);
 	}
 #endif
 	free(selpath);
@@ -8548,6 +8554,14 @@ int main(int argc, char *argv[])
 		/* Save terminal window title */
 		printf("\033[22;0t");
 		fflush(stdout);
+
+		hostname = malloc(_POSIX_HOST_NAME_MAX + 1);
+		if (!hostname) {
+			xerror();
+			return EXIT_FAILURE;
+		}
+		gethostname(hostname, _POSIX_HOST_NAME_MAX);
+		hostname[_POSIX_HOST_NAME_MAX] = '\0';
 	}
 #endif