nana/include/nana/gui/compact.hpp
Jinhao 5acbbf548e refactoring and fix
fix a potential dead-lock caused by timer
2019-07-10 04:25:00 +08:00

58 lines
1.4 KiB
C++

/**
* Nana GUI Library Definition
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2019 Jinhao(cnjinhao@hotmail.com)
*
* 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)
*
* @file nana/gui/compact.hpp
* @description
* the header file contains the files required for running of Nana.GUI
*/
#ifndef NANA_GUI_WVL_HPP
#define NANA_GUI_WVL_HPP
#include "programming_interface.hpp"
namespace nana
{
namespace detail
{
struct form_loader_private
{
template<typename, bool> friend class form_loader;
private:
static void insert_form(::nana::widget*);
};
template<typename Form, bool IsVisible>
class form_loader
{
public:
template<typename... Args>
Form & operator()(Args &&... args) const
{
auto p = new Form(std::forward<Args>(args)...);
if (p->empty())
throw std::runtime_error("form_loader failed to create the form");
detail::form_loader_private::insert_form(p);
if (IsVisible)
p->show();
return *p;
}
};
}
template<typename Form, bool IsVisible = true>
using form_loader = detail::form_loader<Form, IsVisible>;
}//end namespace nana
#endif