axmol/core/platform/winrt/GLViewImpl-winrt.h

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org
Copyright (c) Microsoft Open Technologies, Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

https://axmolengine.github.io/

Permission is hereby granted, free of charge, to any person obtaining a copy
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#ifndef __AX_EGLVIEWIMPL_WINRT_H__
#define __AX_EGLVIEWIMPL_WINRT_H__

#include "platform/winrt/StdC-winrt.h"
#include "platform/Common.h"
#include "platform/winrt/Keyboard-winrt.h"
#include "platform/GLView.h"
#include "base/EventKeyboard.h"
#include "base/EventMouse.h"

#include <concurrent_queue.h>
#include <string>
#include <memory>

#include <winrt/Windows.Foundation.h>
#include <winrt/Windows.Graphics.Display.h>

using namespace winrt;

NS_AX_BEGIN

class GLViewImpl;

class AX_DLL GLViewImpl : public GLView
{
public:
    static GLViewImpl* create(std::string_view viewName);
    static GLViewImpl* createWithRect(std::string_view viewName, const Rect& rect, float frameZoomFactor = 1.0f, bool resizable = false);
    static GLViewImpl* createWithFullScreen(std::string_view viewName);

    /* override functions */
    virtual bool isOpenGLReady();
    virtual void end();
    virtual void swapBuffers();

    Windows::Graphics::Display::DisplayOrientations getDeviceOrientation() { return m_orientation; };
    Size getRenerTargetSize() const { return Size(m_width, m_height); }

    virtual void setIMEKeyboardState(bool bOpen) override;
    virtual void setIMEKeyboardState(bool bOpen, std::string_view str);

    /**
     * Hide or Show the mouse cursor if there is one.
     *
     * @param isVisible Hide or Show the mouse cursor if there is one.
     */
    virtual void setCursorVisible(bool isVisible) override;

    bool isCursorVisible() { return _isCursorVisible; }

    void setDispatcher(winrt::agile_ref<Windows::UI::Core::CoreDispatcher> dispatcher);
    winrt::agile_ref<Windows::UI::Core::CoreDispatcher> getDispatcher() const { return m_dispatcher; }

    void setPanel(winrt::agile_ref<Windows::UI::Xaml::Controls::Panel> panel);
    winrt::agile_ref<Windows::UI::Xaml::Controls::Panel> getPanel() { return m_panel; }

    void OnPointerPressed(Windows::UI::Core::PointerEventArgs const& args);
    void OnPointerMoved(Windows::UI::Core::PointerEventArgs const& args);
    void OnPointerReleased(Windows::UI::Core::PointerEventArgs const& args);

    void OnMousePressed(Windows::UI::Core::PointerEventArgs const& args);
    void OnMouseMoved(Windows::UI::Core::PointerEventArgs const& args);
    void OnMouseReleased(Windows::UI::Core::PointerEventArgs const& args);
    void OnMouseWheelChanged(Windows::UI::Core::PointerEventArgs const& args);

    void OnWinRTKeyboardEvent(WinRTKeyboardEventType type, Windows::UI::Core::KeyEventArgs const& args);

    void OnPointerPressed(Windows::UI::Core::CoreWindow const& sender, Windows::UI::Core::PointerEventArgs const& args);
    void OnPointerWheelChanged(Windows::UI::Core::CoreWindow const&, Windows::UI::Core::PointerEventArgs const& args);
    void OnPointerMoved(Windows::UI::Core::CoreWindow const&, Windows::UI::Core::PointerEventArgs const& args);
    void OnPointerReleased(Windows::UI::Core::CoreWindow const& sender,
                           Windows::UI::Core::PointerEventArgs const& args);
    void OnVisibilityChanged(Windows::UI::Core::CoreWindow const& sender,
                             Windows::UI::Core::VisibilityChangedEventArgs const& args);
    void OnWindowClosed(Windows::UI::Core::CoreWindow const& sender,
                        Windows::UI::Core::CoreWindowEventArgs const& args);
    void OnResuming(Windows::Foundation::IInspectable const& sender);
    void OnSuspending(Windows::Foundation::IInspectable const& sender,
                      Windows::ApplicationModel::SuspendingEventArgs const& args);
    void OnBackKeyPress();
    bool AppShouldExit();
    void BackButtonListener(ax::EventKeyboard::KeyCode keyCode, ax::Event* event);

    void QueueBackKeyPress();
    void QueuePointerEvent(PointerEventType type, Windows::UI::Core::PointerEventArgs const& args);
    void QueueWinRTKeyboardEvent(WinRTKeyboardEventType type, Windows::UI::Core::KeyEventArgs const& args);
    void QueueEvent(std::shared_ptr<InputEvent>& event);

    bool ShowMessageBox(const winrt::hstring& title, const winrt::hstring& message);

    int Run();
    void Render();

    void resize(int width, int height);

    float getFrameZoomFactor();
    void centerWindow();

    void UpdateOrientation(Windows::Graphics::Display::DisplayOrientations orientation);
    void UpdateForWindowSizeChange(float width, float height);

    void SetDPI(float dpi) { m_dpi = dpi; }
    float GetDPI() { return m_dpi; }
    // static function
    /**
    @brief    get the shared main open gl window
    */
    static GLViewImpl* sharedOpenGLView();

    void ProcessEvents();

    void queueOperation(AsyncOperation op, void* param) override;

    void SetQueueOperationCb(std::function<void(AsyncOperation, void*)> cb);

protected:
    GLViewImpl();
    virtual ~GLViewImpl();

    bool initWithRect(std::string_view viewName, const Rect& rect, float frameZoomFactor);
    bool initWithFullScreen(std::string_view viewName);

    /*
     * Set zoom factor for frame. This method is for debugging big resolution (e.g.new ipad) app on desktop.
     */
    void setFrameZoomFactor(float zoomFactor);

    inline bool isRetina() { return _isRetina; };

    float _frameZoomFactor;
    bool _supportTouch;
    bool _isRetina;
    bool _isCursorVisible;

private:
    AX_DISALLOW_COPY_AND_ASSIGN(GLViewImpl);

    void OnRendering();
    void UpdateWindowSize();

    ax::Vec2 TransformToOrientation(Windows::Foundation::Point const& point);
    ax::Vec2 GetPoint(Windows::UI::Core::PointerEventArgs const& args);
    ax::Vec2 GetPointMouse(Windows::UI::Core::PointerEventArgs const& args);

    Windows::Foundation::Rect m_windowBounds;
    winrt::event_token m_eventToken;
    Windows::Foundation::Point m_lastPoint;

    float m_width;
    float m_height;
    float m_dpi;
    Windows::Graphics::Display::DisplayOrientations m_orientation;
    Windows::Foundation::Rect m_keyboardRect;

    bool m_lastPointValid;
    bool m_windowClosed;
    bool m_windowVisible;
    // PointerReleased for mouse not send button id, need save in PointerPressed last button
    EventMouse::MouseButton _lastMouseButtonPressed;

    bool m_running;
    bool m_initialized;
    bool m_appShouldExit;

    Concurrency::concurrent_queue<std::shared_ptr<InputEvent>> mInputEvents;

    std::function<void(AsyncOperation, void*)> mQueueOperationCb;

    winrt::agile_ref<Windows::UI::Core::CoreDispatcher> m_dispatcher;
    winrt::agile_ref<Windows::UI::Xaml::Controls::Panel> m_panel;

    KeyBoardWinRT m_keyboard;

    ax::EventListenerKeyboard* m_backButtonListener;
};

NS_AX_END

#endif  // end of __AX_EGLVIEWIMPL_WINRT_H__