From 8b7ab07e48c71bc3ec8a97e546858437fdf71f6f Mon Sep 17 00:00:00 2001
From: corentin-soriano <corentin+github@soriano.app>
Date: Tue, 8 Oct 2024 13:58:25 +0200
Subject: [PATCH] GUACAMOLE-1961: Detect accented letters as a part of word.

---
 src/terminal/terminal.c          |  4 +++-
 src/terminal/terminal/terminal.h | 10 ++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/terminal/terminal.c b/src/terminal/terminal.c
index 5a48f08b2..648d6255d 100644
--- a/src/terminal/terminal.c
+++ b/src/terminal/terminal.c
@@ -1610,7 +1610,7 @@ int guac_terminal_send_key(guac_terminal* term, int keysym, int pressed) {
 
 /**
  * Determines if the given character is part of a word.
- * Match these chars :[0-9A-Za-z\$\-\.\/_~]
+ * Match these chars :[0-9A-Za-z\$\-\.\/_~] and accented letters.
  * This allows a path, variable name or IP address to be treated as a word.
  *
  * @param ascii_char
@@ -1624,6 +1624,8 @@ static bool guac_terminal_is_part_of_word(int ascii_char) {
     return ((ascii_char >= '0' && ascii_char <= '9') || 
             (ascii_char >= 'A' && ascii_char <= 'Z') || 
             (ascii_char >= 'a' && ascii_char <= 'z') ||
+            (ascii_char >= GUAC_TERMINAL_LATIN1_CAPITAL_AGRAVE &&
+             ascii_char <= GUAC_TERMINAL_LATIN1_Y_UMLAUT) ||
             (ascii_char == '$') ||
             (ascii_char == '-') ||
             (ascii_char == '.') ||
diff --git a/src/terminal/terminal/terminal.h b/src/terminal/terminal/terminal.h
index 11c8fb5a3..981dea0de 100644
--- a/src/terminal/terminal/terminal.h
+++ b/src/terminal/terminal/terminal.h
@@ -111,6 +111,16 @@
  */
 #define GUAC_TERMINAL_PIPE_AUTOFLUSH 2
 
+/**
+ * Latin 1 capital A grave, it's the first character of the accented range.
+ */
+#define GUAC_TERMINAL_LATIN1_CAPITAL_AGRAVE 192
+
+/**
+ * Latin 1 small y umlaut, it's the latest character of the accented range.
+ */
+#define GUAC_TERMINAL_LATIN1_Y_UMLAUT 255
+
 /**
  * Represents a terminal emulator which uses a given Guacamole client to
  * render itself.