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/* /////////////////////////////////////////////////////////////////////////
* File: winstl/window/window_enable_scope.hpp (originally MWWndScp.h; ::SynesisWin)
*
* Purpose: Window enable-state scoping class.
*
* Created: 5th January 1996
* Updated: 10th August 2009
*
* Home: http://stlsoft.org/
*
* Copyright (c) 1996-2009, Matthew Wilson and Synesis Software
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
* any contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ////////////////////////////////////////////////////////////////////// */
/** \file winstl/window/window_enable_scope.hpp
*
* \brief [C++ only] Definition of the winstl::window_enable_scope class
* (\ref group__library__windows_window "Windows Window" Library).
*/
#ifndef WINSTL_INCL_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE
#define WINSTL_INCL_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
# define WINSTL_VER_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE_MAJOR 4
# define WINSTL_VER_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE_MINOR 1
# define WINSTL_VER_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE_REVISION 1
# define WINSTL_VER_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE_EDIT 90
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* Includes
*/
#ifndef WINSTL_INCL_WINSTL_H_WINSTL
# include <winstl/winstl.h>
#endif /* !WINSTL_INCL_WINSTL_H_WINSTL */
#ifndef WINSTL_INCL_SHIMS_ATTRIBUTE_HPP_GET_HWND
# include <winstl/shims/attribute/get_HWND.hpp>
#endif /* !WINSTL_INCL_SHIMS_ATTRIBUTE_HPP_GET_HWND */
/* /////////////////////////////////////////////////////////////////////////
* Namespace
*/
#ifndef _WINSTL_NO_NAMESPACE
# if defined(_STLSOFT_NO_NAMESPACE) || \
defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
/* There is no stlsoft namespace, so must define ::winstl */
namespace winstl
{
# else
/* Define stlsoft::winstl_project */
namespace stlsoft
{
namespace winstl_project
{
# endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_WINSTL_NO_NAMESPACE */
/* /////////////////////////////////////////////////////////////////////////
* Classes
*/
// window_enable_scope
/** \brief Provides scoping of the enable status of a window.
*
* \ingroup group__library__windows_window
*
* This class provides scoping of the enable status of a window via the API
* function EnableWindow().
*/
class window_enable_scope
{
public:
/// This type
typedef window_enable_scope class_type;
// Construction
public:
/// \brief Toggles the window enable state
///
/// Takes a HWND and changes it's current enable-status, which is set back to
/// the original state in the destructor.
///
/// \param wnd The window whose enable state is to be controlled
ss_explicit_k window_enable_scope(HWND wnd)
: m_hwnd(wnd)
, m_bEnableOnDtor(::IsWindowEnabled(m_hwnd) != false)
{
::EnableWindow(m_hwnd, !m_bEnableOnDtor);
}
#ifdef STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT
/// \brief Toggles the window enable state
///
/// Takes a HWND and changes it's current enable-status, which is set back to
/// the original state in the destructor.
///
/// \param wnd The window whose enable state is to be controlled
template <ss_typename_param_k W>
ss_explicit_k window_enable_scope(W &wnd)
: m_hwnd(get_HWND(wnd))
, m_bEnableOnDtor(::IsWindowEnabled(m_hwnd) != false)
{
::EnableWindow(m_hwnd, !m_bEnableOnDtor);
}
#endif /* STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT */
/// Modifies the window enable state
///
/// \param wnd The window whose enable state is to be controlled
/// \param bEnableOnCtor The state to set in the constructor
/// \param bEnableOnDtor The state it is reset to in the destructor
window_enable_scope(HWND wnd, ws_bool_t bEnableOnCtor, ws_bool_t bEnableOnDtor)
: m_hwnd(wnd)
, m_bEnableOnDtor(bEnableOnDtor)
{
::EnableWindow(m_hwnd, bEnableOnCtor);
}
#ifdef STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT
/// Modifies the window enable state
///
/// \param wnd The window whose enable state is to be controlled
/// \param bEnableOnCtor The state to set in the constructor
/// \param bEnableOnDtor The state it is reset to in the destructor
template <ss_typename_param_k W>
window_enable_scope(W &wnd, ws_bool_t bEnableOnCtor, ws_bool_t bEnableOnDtor)
: m_hwnd(get_HWND(wnd))
, m_bEnableOnDtor(bEnableOnDtor)
{
::EnableWindow(m_hwnd, bEnableOnCtor);
}
#endif /* STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT */
/// Resets the enable status
~window_enable_scope() stlsoft_throw_0()
{
#ifdef STLSOFT_CF_USE_RAW_OFFSETOF_IN_STATIC_ASSERT
WINSTL_STATIC_ASSERT(STLSOFT_RAW_OFFSETOF(class_type, m_hwnd) < STLSOFT_RAW_OFFSETOF(class_type, m_bEnableOnDtor));
#endif /* STLSOFT_CF_USE_RAW_OFFSETOF_IN_STATIC_ASSERT */
::EnableWindow(m_hwnd, m_bEnableOnDtor);
}
// Members
private:
HWND m_hwnd;
ws_bool_t m_bEnableOnDtor;
// Not to be implemented
private:
window_enable_scope(class_type const& rhs);
class_type const& operator =(class_type const& rhs);
};
/* ////////////////////////////////////////////////////////////////////// */
#ifndef _WINSTL_NO_NAMESPACE
# if defined(_STLSOFT_NO_NAMESPACE) || \
defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} // namespace winstl
# else
} // namespace winstl_project
} // namespace stlsoft
# endif /* _STLSOFT_NO_NAMESPACE */
#endif /* !_WINSTL_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////// */
#endif /* WINSTL_INCL_WINSTL_WINDOW_HPP_WINDOW_ENABLE_SCOPE */
/* ///////////////////////////// end of file //////////////////////////// */