[LyX/master] Do not set language from keyboard in passthru setting

[Jean-Marc Lasgouttes]

commit a877cdb1963f01d27b4bd0d194de928223cb5ae5
Author: Jean-Marc Lasgouttes <lasgouttes at lyx.org>
Date:   Wed Oct 21 18:08:39 2020 +0200

    Do not set language from keyboard in passthru setting
---
 src/Cursor.cpp |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/src/Cursor.cpp b/src/Cursor.cpp
index 39083e5..ee54ace 100644
--- a/src/Cursor.cpp
+++ b/src/Cursor.cpp
@@ -2399,7 +2399,9 @@ bool notifyCursorLeavesOrEnters(Cursor const & old, Cursor & cur)
 
 void Cursor::setLanguageFromInput()
 {
-	if (!lyxrc.respect_os_kbd_language)
+	if (!lyxrc.respect_os_kbd_language
+	    || !inTexted()
+	    || paragraph().isPassThru())
 		return;
 	string const & code = theApp()->inputLanguageCode();
 	Language const * lang = languages.getFromCode(code, buffer()->getLanguages());