Index: mainwindow.cpp
===================================================================
--- mainwindow.cpp	(revision 27)
+++ mainwindow.cpp	(working copy)
@@ -200,11 +200,19 @@
     actReplace->setEnabled(false);
     connect(actReplace, SIGNAL(triggered()), this, SLOT(replace()));
 
+#ifdef Q_OS_MAC
+    actComplete= createAction(tr("Autocomplete"), "Meta+.", "", true);
+#else
     actComplete= createAction(tr("Autocomplete"), "Ctrl+Space", "", true);
+#endif
     connect(actComplete, SIGNAL(triggered()), this, SLOT(autoComplete()));
     actComplete->setEnabled(false);
 
+#ifdef Q_OS_MAC
+    actCallTip = createAction(tr("Call tip"), "Meta+Shift+.", "", true);
+#else
     actCallTip = createAction(tr("Call tip"), "Ctrl+Shift+Space", "", true);
+#endif
     connect(actCallTip, SIGNAL(triggered()), this, SLOT(callTip()));
     actCallTip->setEnabled(false);