fixed issue #150 terminating GUI app when stopped

Author: Code-Hex

example/gui-linux/main.go

@@ -94,7 +94,7 @@ func run(ctx context.Context) error {
 	}
 
 	runtime.LockOSThread()
-	vm.StartGraphicApplication(960, 600)
+	vm.StartGraphicApplication(960, 600, vz.WithWindowTitle("Linux"), vz.WithController(true))
 	runtime.UnlockOSThread()
 
 	cleanup()

virtualization_view.m

@@ -285,6 +285,11 @@ - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(N
             } else {
                 [self hideOverlay];
             }
+            // Terminating GUI Application from Guest and Host.
+            // See: https://github.com/Code-Hex/vz/issues/150
+            if (newState == VZVirtualMachineStateStopped) {
+                [NSApp terminate:nil];
+            }
         });
     }
 }
@@ -368,7 +373,7 @@ - (void)setToolBarItems:(NSArray<NSToolbarItemIdentifier> *)desiredItems
 /* IMPORTANT: delegate methods are called from VM's queue */
 - (void)guestDidStopVirtualMachine:(VZVirtualMachine *)virtualMachine
 {
-    [NSApp performSelectorOnMainThread:@selector(terminate:) withObject:self waitUntilDone:NO];
+    // [NSApp performSelectorOnMainThread:@selector(terminate:) withObject:self waitUntilDone:NO];
 }
 
 - (void)virtualMachine:(VZVirtualMachine *)virtualMachine didStopWithError:(NSError *)error