Ticket #4846: mftest.cpp

#include <AppKit.h>
#include <InterfaceKit.h>


#define GO_MESSAGE 'MiGo'


class MyWin : public BWindow {
public:
    MyWin(BRect rect) : BWindow(rect, "MenuFieldTest", B_TITLED_WINDOW
        , B_QUIT_ON_WINDOW_CLOSE | B_ASYNCHRONOUS_CONTROLS) {

        _CreateView(Bounds());

    }


    virtual void MessageReceived(BMessage* message) {
        switch (message->what) {
            case GO_MESSAGE:
                {
                    BView* containerView = ChildAt(0);

                    if (containerView) {

                        containerView->LockLooper();

                        containerView->RemoveSelf();

                        //This delete hangs approximately 1 out of every 6-8 tries
                        //The menufield is stalled at wait_for_thread() in it's destructor
                        //because _m_task_ won't exit properly
                        delete containerView;

                        //Uncomment the following _CreateView() to hang immediately
                        //This one does weird things as well, I assume it's related
                        //_CreateView(Bounds());
                    }
                }
                break;
            default:
                BWindow::MessageReceived(message);
        }
    }


    void _CreateView(BRect rect) {
        BView* containerView = new BView(Bounds(), NULL, B_FOLLOW_ALL_SIDES, 0);

        AddChild(containerView);

        BMenu* menu = new BMenu("Menu");

        menu->AddItem(new BMenuItem("Go", new BMessage(GO_MESSAGE)));

        containerView->AddChild(new BMenuField(BRect(0, 0, 200, 200)
                                    , "MenuField", "TestMenuField", menu));
    }
};


class MyApp : public BApplication {
public:
    MyApp() : BApplication("application/x-vnd.cpr-mftest") {
        MyWin* win = new MyWin(BRect(200, 200, 400, 400));

        win->Show();
    }
};


int main(int argc, char** argv) {
    MyApp app;

    app.Run();

    return 0;
}