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/****************************************************************************
**
** Copyright (C) 2016 Ivan Vizir <define-true-false@yandex.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWinExtras module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINFUNCTIONS_P_H
#define QWINFUNCTIONS_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qstring.h>
#include <QtCore/qt_windows.h>
#include <uxtheme.h>
#include <dwmapi.h>
QT_BEGIN_NAMESPACE
enum qt_DWMWINDOWATTRIBUTE // Not present in MinGW 4.9
{
qt_DWMWA_DISALLOW_PEEK = 11,
qt_DWMWA_EXCLUDED_FROM_PEEK = 12,
};
namespace QtDwmApiDll
{
template <class T> static T windowAttribute(HWND hwnd, DWORD attribute, T defaultValue);
template <class T> static void setWindowAttribute(HWND hwnd, DWORD attribute, T value);
inline bool booleanWindowAttribute(HWND hwnd, DWORD attribute)
{ return QtDwmApiDll::windowAttribute<BOOL>(hwnd, attribute, FALSE) != FALSE; }
inline void setBooleanWindowAttribute(HWND hwnd, DWORD attribute, bool value)
{ setWindowAttribute<BOOL>(hwnd, attribute, BOOL(value ? TRUE : FALSE)); }
};
inline void qt_qstringToNullTerminated(const QString &src, wchar_t *dst)
{
dst[src.toWCharArray(dst)] = 0;
}
inline wchar_t *qt_qstringToNullTerminated(const QString &src)
{
wchar_t *buffer = new wchar_t[src.length() + 1];
qt_qstringToNullTerminated(src, buffer);
return buffer;
}
template <class T>
T QtDwmApiDll::windowAttribute(HWND hwnd, DWORD attribute, T defaultValue)
{
T value;
if (FAILED(DwmGetWindowAttribute(hwnd, attribute, &value, sizeof(value))))
value = defaultValue;
return value;
}
template <class T>
void QtDwmApiDll::setWindowAttribute(HWND hwnd, DWORD attribute, T value)
{
DwmSetWindowAttribute(hwnd, attribute, &value, sizeof(value));
}
QT_END_NAMESPACE
#endif // QWINFUNCTIONS_P_H
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