qt-everywhere-src-5.14.1/qtbase/src/plugins/platforms/winrt/qwinrtcanvas.h

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#ifndef QWINRTCANVAS_H
#define QWINRTCANVAS_H

#include <QtCore/qglobal.h>
#include <QtGui/QWindow>

#include <wrl.h>
#include <windows.ui.xaml.h>
#include <functional>

QT_BEGIN_NAMESPACE

class QWinRTCanvas:
        public Microsoft::WRL::RuntimeClass<ABI::Windows::UI::Xaml::IUIElementOverrides>
{
public:
    QWinRTCanvas(const std::function<QWindow*()> &delegateWindow);
    ~QWinRTCanvas() override = default;

    HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *iface) override;
    HRESULT STDMETHODCALLTYPE GetIids(ULONG *iidCount, IID **iids) override;
    HRESULT STDMETHODCALLTYPE GetRuntimeClassName(HSTRING *className) override;
    HRESULT STDMETHODCALLTYPE GetTrustLevel(TrustLevel *trustLevel) override;
    HRESULT STDMETHODCALLTYPE OnCreateAutomationPeer(ABI::Windows::UI::Xaml::Automation::Peers::IAutomationPeer **returnValue) override;
    HRESULT STDMETHODCALLTYPE OnDisconnectVisualChildren() override;
    HRESULT STDMETHODCALLTYPE FindSubElementsForTouchTargeting(ABI::Windows::Foundation::Point point, ABI::Windows::Foundation::Rect boundingRect, ABI::Windows::Foundation::Collections::IIterable<ABI::Windows::Foundation::Collections::IIterable<ABI::Windows::Foundation::Point>*> **returnValue) override;

private:
    Microsoft::WRL::ComPtr<ABI::Windows::UI::Xaml::IUIElementOverrides> m_base;
    Microsoft::WRL::ComPtr<ABI::Windows::UI::Xaml::Controls::ICanvas> m_core;
    std::function<QWindow*()> delegate;
};

QT_END_NAMESPACE

#endif // QWINRTCANVAS_H