don't process pressed meta on linux

fix mac os keyboard layout on linux

platform/platform-impl/src/com/intellij/ide/IdeEventQueue.java

@@ -398,6 +398,8 @@ public class IdeEventQueue extends EventQueue {
 
     if (skipTypedKeyEventsIfFocusReturnsToOwner(e)) return;
 
+    if (isMetaKeyPressedOnLinux(e)) return;
+
     checkForTimeJump();
 
     if (!appIsLoaded()) {
@@ -466,6 +468,13 @@ public class IdeEventQueue extends EventQueue {
     }
   }
 
+  private static boolean isMetaKeyPressedOnLinux(@NotNull AWTEvent e) {
+    if (!Registry.is("keymap.skip.meta.press.on.linux")) return false;
+    boolean metaIsPressed = e instanceof InputEvent && (((InputEvent)e).getModifiersEx() & InputEvent.META_DOWN_MASK) != 0;
+    boolean typedKeyEvent = e.getID() == KeyEvent.KEY_TYPED;
+    return SystemInfo.isLinux && typedKeyEvent && metaIsPressed;
+  }
+
   private boolean skipTypedKeyEventsIfFocusReturnsToOwner(@NotNull AWTEvent e) {
     if (e.getID() == WindowEvent.WINDOW_LOST_FOCUS) {
       WindowEvent wfe = (WindowEvent)e;

platform/util/resources/misc/registry.properties

@@ -513,6 +513,8 @@ keymap.windows.as.meta.description='Windows' key press/release events would be p
 keymap.windows.up.to.maximize.dialogs=true
 keymap.windows.up.to.maximize.dialogs.description='Windows+Up' shortcut would maximize active dialog under Win 7+
 
+keymap.skip.meta.press.on.linux=false
+
 caches.indexerThreadsCount=-1
 indexer.follows.symlinks=true