From eb8c54a207597d5b88ec18daccfd67526e9a75f9 Mon Sep 17 00:00:00 2001
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date: Sat, 29 Jun 2024 20:25:04 +0200
Subject: [PATCH] nxcomp/src/Loop.cpp: Support NXTransDialog caption / title
 being prefixed with a custom prefix string.

---
 nxcomp/src/Loop.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/nxcomp/src/Loop.cpp b/nxcomp/src/Loop.cpp
index 4bbf42b915..b18568e564 100644
--- a/nxcomp/src/Loop.cpp
+++ b/nxcomp/src/Loop.cpp
@@ -14731,7 +14731,19 @@ static void handleAlertInLoop()
     {
       char caption[DEFAULT_STRING_LENGTH];
 
-      strcpy(caption, ALERT_CAPTION_PREFIX);
+      const char* caption_prefix = getenv("NX_DIALOG_CAPTIONPREFIX");
+
+      if (!caption_prefix) {
+          // Use the hard-coded 'NX -' as default.
+          strncpy(caption, ALERT_CAPTION_PREFIX, DEFAULT_STRING_LENGTH);
+          caption[DEFAULT_STRING_LENGTH-1] = '\0';
+      }
+      else
+      {
+          // Use what gets provided via NX_DIALOG_CAPTIONPREFIX (used in X2Go)
+          strncpy(caption, caption_prefix, DEFAULT_STRING_LENGTH-1);
+          caption[DEFAULT_STRING_LENGTH-1] = '\0';
+      }
 
       int length = strlen(sessionId);