lagoon/example/factories/person_wx.cpp

This example shows the usage of the wxWidets-based automatically generated polymorphic factory to create instances of the test person class.

Copyright 2008-2011 Matus Chochlik. Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

//
// We want to use Lagoon's polymorphic factories
#define LAGOON_MT_WITH_MAKE_FACTORY 1
//
// We don't need to traverse through namespace members.
// Using this CT switch can greatly improve compile times
// and the resulting executable size if namespace member
// traversal is not needed
#define LAGOON_NO_NAMESPACE_MEMBERS 1

#include <mirror/mirror.hpp>
#include <lagoon/lagoon.hpp>
#include <lagoon/utils/wx_gui_factory.hpp>
#include <stdexcept>

#include "./person.hpp"

class TestFrame : public wxFrame
{
private:
    void Quit(wxCommandEvent& evt)
    {
        Close();
    }

    template <class Product>
    void TestProduct(void)
    {
        try
        {
            using namespace lagoon;
            auto meta_product = reflected_class<Product>();
            wx_gui_factory_builder builder;
            wx_gui_factory_data data(
                (wxWindow*)this,
                (wxSizer*)nullptr
            );
            auto factory = meta_product->make_factory(
                builder,
                raw_ptr(&data)
            );
            meta_product->delete_(factory->new_());
        }
        catch(std::exception& error)
        {
            wxMessageBox(wxString(error.what(), wxConvUTF8));
        }
    }

    void Test_person(wxCommandEvent& evt)
    {
        TestProduct<test::person>();
    }

    void make_button(
        wxSizer* sizer,
        int action_id,
        const wxString& title,
        void (wxObject::* handler)(wxEvent&)
    )
    {
        sizer->Add(
            new wxButton(this, action_id, title),
            0,
            wxEXPAND
        );
        Connect(
            action_id,
            wxEVT_COMMAND_BUTTON_CLICKED,
            handler
        );
    }
public:
    TestFrame(void)
     : wxFrame(
        (wxWindow*)nullptr,
        wxID_ANY,
        wxT("Example Frame"),
        wxDefaultPosition,
        wxSize(300, 100)
    )
    {
        wxBoxSizer* sizer = new wxBoxSizer(wxVERTICAL);
        make_button(
            sizer,
            wxID_CANCEL,
            wxT("Quit"),
            wxCommandEventHandler(TestFrame::Quit)
        );
        sizer->AddStretchSpacer(1);
        make_button(
            sizer,
            wxID_HIGHEST + __LINE__,
            wxT("person"),
            wxCommandEventHandler(TestFrame::Test_person)
        );
        SetSizer(sizer);
        SetMinSize(GetSize());
        Show();
    }
};

class TestApp : public wxApp
{
public:
    bool OnInit(void)
    {
        SetTopWindow(new TestFrame);
        return true;
    }
};

IMPLEMENT_APP(TestApp)