1 files changed, 146 insertions, 0 deletions
diff --git a/src/plugins/platforms/winrt/qwinrtcanvas.cpp b/src/plugins/platforms/winrt/qwinrtcanvas.cpp
new file mode 100644
index 0000000000..ad77d811e6
--- /dev/null
+++ b/src/plugins/platforms/winrt/qwinrtcanvas.cpp
@@ -0,0 +1,146 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 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 "qwinrtcanvas.h"
+#include "uiautomation/qwinrtuiaaccessibility.h"
+#include "uiautomation/qwinrtuiamainprovider.h"
+#include "uiautomation/qwinrtuiametadatacache.h"
+#include "uiautomation/qwinrtuiautils.h"
+
+#include <QtCore/QLoggingCategory>
+#include <QtCore/qfunctions_winrt.h>
+
+using namespace Microsoft::WRL;
+using namespace Microsoft::WRL::Wrappers;
+using namespace ABI::Windows::Foundation;
+using namespace ABI::Windows::System;
+using namespace ABI::Windows::UI;
+using namespace ABI::Windows::UI::Core;
+using namespace ABI::Windows::UI::Xaml;
+using namespace ABI::Windows::Foundation;
+using namespace ABI::Windows::Foundation::Collections;
+
+QT_BEGIN_NAMESPACE
+
+QWinRTCanvas::QWinRTCanvas(const std::function<QWindow*()> &delegateWindow)
+{
+    ComPtr<Xaml::Controls::ICanvasFactory> factory;
+    HRESULT hr = RoGetActivationFactory(HString::MakeReference(RuntimeClass_Windows_UI_Xaml_Controls_Canvas).Get(), IID_PPV_ARGS(&factory));
+    Q_ASSERT_SUCCEEDED(hr);
+
+    hr = factory->CreateInstance(this, &m_base, &m_core);
+    Q_ASSERT_SUCCEEDED(hr);
+
+    delegate = delegateWindow;
+}
+
+QWinRTCanvas::~QWinRTCanvas()
+{
+}
+
+HRESULT STDMETHODCALLTYPE QWinRTCanvas::QueryInterface(REFIID iid, LPVOID *iface)
+{
+    if (!iface)
+        return E_POINTER;
+    *iface = nullptr;
+
+    if (iid == IID_IUnknown) {
+        *iface = static_cast<Xaml::IUIElementOverrides *>(this);
+        AddRef();
+        return S_OK;
+    } else if (iid == Xaml::IID_IUIElementOverrides) {
+        *iface = static_cast<Xaml::IUIElementOverrides *>(this);
+        AddRef();
+        return S_OK;
+    } else {
+        return m_base.CopyTo(iid, iface);
+    }
+}
+
+HRESULT STDMETHODCALLTYPE QWinRTCanvas::GetIids(ULONG *iidCount, IID **iids)
+{
+    *iidCount = 0;
+    *iids = nullptr;
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE QWinRTCanvas::GetRuntimeClassName(HSTRING *className)
+{
+    const wchar_t *name = L"QWinRTCanvas";
+    return ::WindowsCreateString(name, static_cast<UINT32>(::wcslen(name)), className);
+}
+
+HRESULT STDMETHODCALLTYPE QWinRTCanvas::GetTrustLevel(TrustLevel *trustLevel)
+{
+    *trustLevel = TrustLevel::BaseTrust;
+    return S_OK;
+}
+
+HRESULT STDMETHODCALLTYPE QWinRTCanvas::OnCreateAutomationPeer(Xaml::Automation::Peers::IAutomationPeer **returnValue)
+{
+    if (!returnValue)
+        return E_INVALIDARG;
+    *returnValue = nullptr;
+
+    if (delegate) {
+        if (QWindow *window = delegate()) {
+            QWinRTUiaAccessibility::activate();
+            if (QAccessibleInterface *accessible = window->accessibleRoot()) {
+                QAccessible::Id accid = QWinRTUiAutomation::idForAccessible(accessible);
+                QWinRTUiaMetadataCache::instance()->load(accid);
+                if (ComPtr<QWinRTUiaMainProvider> provider = QWinRTUiaMainProvider::providerForAccessibleId(accid))
+                    return provider.CopyTo(returnValue);
+            }
+        }
+    }
+    return m_base->OnCreateAutomationPeer(returnValue);
+}
+
+HRESULT STDMETHODCALLTYPE QWinRTCanvas::OnDisconnectVisualChildren()
+{
+    return m_base->OnDisconnectVisualChildren();
+}
+
+HRESULT STDMETHODCALLTYPE QWinRTCanvas::FindSubElementsForTouchTargeting(Point point, Rect boundingRect, IIterable<IIterable<ABI::Windows::Foundation::Point>*> **returnValue)
+{
+    return m_base->FindSubElementsForTouchTargeting(point, boundingRect, returnValue);
+}
+
+QT_END_NAMESPACE
+