Shift+Letters are not working in xterm if it is started as

xterm -fa 'Monospace' -fs 12 -xrm '*modifyOtherKeys:2' -xrm '*formatOtherKeys:1' this commit fixes that
elfmz · Jan 21, 2025 · 4e5c8de · 4e5c8de
1 parent 9fb2133
commit 4e5c8de
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/WinPort/src/Backend/TTY/TTYInputSequenceParserExts.cpp b/WinPort/src/Backend/TTY/TTYInputSequenceParserExts.cpp
@@ -212,6 +212,12 @@ size_t TTYInputSequenceParser::TryParseAsKittyEscapeSequence(const char *s, size
 	}
 
 	int base_char = params[0][2] ? params[0][2] : params[0][0];
+
+	// fix for xterm in ModifyOtherKeys=2 formatOtherKeys=1 mode
+	if (base_char <= UCHAR_MAX && isalpha(base_char)) {
+		base_char = tolower(base_char);
+	}
+
 	if (base_char <= UCHAR_MAX && isalpha(base_char)) {
 		ir.Event.KeyEvent.wVirtualKeyCode = (base_char - 'a') + 0x41;
 	}