Fix interrupt modifier detection

hpi-swa · Dec 17, 2023 · 4c7f9f2 · 4c7f9f2
1 parent 31f7b41
commit 4c7f9f2
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/io/SqueakKeyboard.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/io/SqueakKeyboard.java
@@ -8,13 +8,17 @@
 
 import java.awt.event.KeyEvent;
 import java.awt.event.KeyListener;
+import java.util.function.Predicate;
 
 import de.hpi.swa.trufflesqueak.io.SqueakIOConstants.EVENT_TYPE;
 import de.hpi.swa.trufflesqueak.io.SqueakIOConstants.KEYBOARD_EVENT;
+import de.hpi.swa.trufflesqueak.util.OS;
 
 public final class SqueakKeyboard implements KeyListener {
     private final SqueakDisplay display;
 
+    private static final Predicate<KeyEvent> IS_INTERRUPT_MODIFIER = OS.isMacOS() ? e -> e.isMetaDown() : e -> e.isAltDown();
+
     public SqueakKeyboard(final SqueakDisplay display) {
         this.display = display;
     }
@@ -27,7 +31,7 @@ public void keyPressed(final KeyEvent e) {
         if (keyChar != KeyEvent.CHAR_UNDEFINED) {
             addKeyboardEvent(KEYBOARD_EVENT.CHAR, keyChar);
         }
-        if (e.isMetaDown() && keyChar == '.') {
+        if (IS_INTERRUPT_MODIFIER.test(e) && keyChar == '.') {
             display.image.interrupt.setInterruptPending();
         }
     }