midi: fix broken computer keyboard input on x11

jcelerier · jcelerier · commit c5a83c2024ad · 2026-08-13T08:52:27.000-04:00
diff --git a/src/plugins/score-plugin-protocols/Protocols/MIDI/MIDIKeyboardEventFilter.linux.hpp b/src/plugins/score-plugin-protocols/Protocols/MIDI/MIDIKeyboardEventFilter.linux.hpp
@@ -60,7 +60,7 @@ class MidiKeyboardEventFilter : public QObject
   {
 #if defined(__linux__)
     // X11 quirk
-    return e.nativeScanCode() - scanCodeOffset;
+    return e.nativeScanCode() + scanCodeOffset;
 #elif defined(__APPLE__)
     return e.nativeVirtualKey();
 #else

Original file line number	Diff line number	Diff line change
`@@ -60,7 +60,7 @@ class MidiKeyboardEventFilter : public QObject`
`60`	`60`	`{`
`61`	`61`	`#if defined(__linux__)`
`62`	`62`	`// X11 quirk`
`63`		`- return e.nativeScanCode() - scanCodeOffset;`
	`63`	`+ return e.nativeScanCode() + scanCodeOffset;`
`64`	`64`	`#elif defined(__APPLE__)`
`65`	`65`	`return e.nativeVirtualKey();`
`66`	`66`	`#else`