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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qwin10helpers.h"
#include <QtCore/QDebug>
#include <QtCore/QOperatingSystemVersion>
#include <QtCore/private/qsystemlibrary_p.h>
#if defined(Q_CC_MINGW) || defined(Q_CC_CLANG)
# define HAS_UI_VIEW_SETTINGS_INTEROP
// Present from MSVC2015 + SDK 10 onwards
#elif (!defined(Q_CC_MSVC) || _MSC_VER >= 1900) && NTDDI_VERSION >= 0xa000000
# define HAS_UI_VIEW_SETTINGS_INTEROP
# define HAS_UI_VIEW_SETTINGS
#endif
#include <inspectable.h>
#ifdef HAS_UI_VIEW_SETTINGS
# include <windows.ui.viewmanagement.h>
#endif
#ifdef HAS_UI_VIEW_SETTINGS_INTEROP
# include <uiviewsettingsinterop.h>
#endif
#ifndef HAS_UI_VIEW_SETTINGS_INTEROP
MIDL_INTERFACE("3694dbf9-8f68-44be-8ff5-195c98ede8a6")
IUIViewSettingsInterop : public IInspectable
{
public:
virtual HRESULT STDMETHODCALLTYPE GetForWindow(
__RPC__in HWND hwnd,
__RPC__in REFIID riid,
__RPC__deref_out_opt void **ppv) = 0;
};
#endif // !HAS_UI_VIEW_SETTINGS_INTEROP
#ifndef HAS_UI_VIEW_SETTINGS
namespace ABI {
namespace Windows {
namespace UI {
namespace ViewManagement {
enum UserInteractionMode { Mouse, Touch };
MIDL_INTERFACE("C63657F6-8850-470D-88F8-455E16EA2C26")
IUIViewSettings : public IInspectable
{
public:
virtual HRESULT STDMETHODCALLTYPE get_UserInteractionMode(UserInteractionMode *value) = 0;
};
} // namespace ViewManagement
} // namespace UI
} // namespace Windows
} // namespace ABI
#endif // HAS_UI_VIEW_SETTINGS
QT_BEGIN_NAMESPACE
// Starting from Windows 10
struct QWindowsComBaseDLL
{
bool init();
bool isValid() const
{
return roGetActivationFactory != nullptr && windowsCreateStringReference != nullptr;
}
typedef HRESULT (WINAPI *RoGetActivationFactory)(HSTRING, REFIID, void **);
typedef HRESULT (WINAPI *WindowsCreateStringReference)(PCWSTR, UINT32, HSTRING_HEADER *, HSTRING *);
RoGetActivationFactory roGetActivationFactory = nullptr;
WindowsCreateStringReference windowsCreateStringReference = nullptr;
};
static QWindowsComBaseDLL baseComDll;
bool QWindowsComBaseDLL::init()
{
if (QOperatingSystemVersion::current() >= QOperatingSystemVersion::Windows10 && !isValid()) {
QSystemLibrary library(QStringLiteral("combase"));
roGetActivationFactory =
reinterpret_cast<RoGetActivationFactory>(library.resolve("RoGetActivationFactory"));
windowsCreateStringReference =
reinterpret_cast<WindowsCreateStringReference>(library.resolve("WindowsCreateStringReference"));
}
return isValid();
}
// Return tablet mode, note: Does not work for GetDesktopWindow().
bool qt_windowsIsTabletMode(HWND hwnd)
{
bool result = false;
if (!baseComDll.init())
return false;
const wchar_t uiViewSettingsId[] = L"Windows.UI.ViewManagement.UIViewSettings";
HSTRING_HEADER uiViewSettingsIdRefHeader;
HSTRING uiViewSettingsIdHs = nullptr;
const UINT32 uiViewSettingsIdLen = UINT32(sizeof(uiViewSettingsId) / sizeof(uiViewSettingsId[0]) - 1);
if (FAILED(baseComDll.windowsCreateStringReference(uiViewSettingsId, uiViewSettingsIdLen, &uiViewSettingsIdRefHeader, &uiViewSettingsIdHs)))
return false;
IUIViewSettingsInterop *uiViewSettingsInterop = nullptr;
// __uuidof(IUIViewSettingsInterop);
const GUID uiViewSettingsInteropRefId = {0x3694dbf9, 0x8f68, 0x44be,{0x8f, 0xf5, 0x19, 0x5c, 0x98, 0xed, 0xe8, 0xa6}};
HRESULT hr = baseComDll.roGetActivationFactory(uiViewSettingsIdHs, uiViewSettingsInteropRefId,
reinterpret_cast<void **>(&uiViewSettingsInterop));
if (FAILED(hr))
return false;
// __uuidof(ABI::Windows::UI::ViewManagement::IUIViewSettings);
const GUID uiViewSettingsRefId = {0xc63657f6, 0x8850, 0x470d,{0x88, 0xf8, 0x45, 0x5e, 0x16, 0xea, 0x2c, 0x26}};
ABI::Windows::UI::ViewManagement::IUIViewSettings *viewSettings = nullptr;
hr = uiViewSettingsInterop->GetForWindow(hwnd, uiViewSettingsRefId,
reinterpret_cast<void **>(&viewSettings));
if (SUCCEEDED(hr)) {
ABI::Windows::UI::ViewManagement::UserInteractionMode currentMode;
hr = viewSettings->get_UserInteractionMode(¤tMode);
if (SUCCEEDED(hr))
result = currentMode == 1; // Touch, 1
viewSettings->Release();
}
uiViewSettingsInterop->Release();
return result;
}
QT_END_NAMESPACE
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