fix: in onKeyDown() ignore keys when the Fn key is pressed

Author: imkiva

app/src/main/java/io/neoterm/frontend/terminal/TerminalView.java

@@ -745,7 +745,7 @@ public boolean onKeyDown(int keyCode, KeyEvent event) {
         if (controlDownFromEvent) keyMod |= KeyHandler.KEYMOD_CTRL;
         if (event.isAltPressed()) keyMod |= KeyHandler.KEYMOD_ALT;
         if (event.isShiftPressed()) keyMod |= KeyHandler.KEYMOD_SHIFT;
-        if (handleKeyCode(keyCode, keyMod)) {
+        if (!event.isFunctionPressed() && handleKeyCode(keyCode, keyMod)) {
             if (LOG_KEY_EVENTS) Log.i(EmulatorDebug.LOG_TAG, "handleKeyCode() took key event");
             return true;
         }
@@ -764,7 +764,7 @@ public boolean onKeyDown(int keyCode, KeyEvent event) {
         if (LOG_KEY_EVENTS)
             Log.i(EmulatorDebug.LOG_TAG, "KeyEvent#getUnicodeChar(" + effectiveMetaState + ") returned: " + result);
         if (result == 0) {
-            return true;
+            return false;
         }
 
         int oldCombiningAccent = mCombiningAccent;