141 lines
4.3 KiB
C++
141 lines
4.3 KiB
C++
// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
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#pragma once
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#if PLATFORM_WINDOWS
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#include "Engine/Platform/Base/WindowBase.h"
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#include "Engine/Platform/Platform.h"
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#include "WindowsInput.h"
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/// <summary>
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/// Implementation of the window class for Windows platform
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/// </summary>
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class WindowsWindow : public WindowBase
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#if USE_EDITOR
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, public Windows::IDropTarget
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#endif
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{
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friend WindowsPlatform;
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private:
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Windows::HWND _handle;
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#if USE_EDITOR
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Windows::ULONG _refCount;
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#endif
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bool _isResizing = false;
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bool _isSwitchingFullScreen = false;
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bool _trackingMouse = false;
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bool _isDuringMaximize = false;
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Windows::HANDLE _monitor = nullptr;
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Vector2 _clientSize;
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="WindowsWindow"/> class.
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/// </summary>
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/// <param name="settings">The initial window settings.</param>
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WindowsWindow(const CreateWindowSettings& settings);
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/// <summary>
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/// Finalizes an instance of the <see cref="WindowsWindow"/> class.
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/// </summary>
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~WindowsWindow();
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public:
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/// <summary>
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/// Gets the window handle.
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/// </summary>
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/// <returns>The window handle.</returns>
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FORCE_INLINE Windows::HWND GetHWND() const
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{
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return _handle;
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}
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/// <summary>
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/// Checks if the window has valid handle created.
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/// </summary>
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/// <returns>True if has valid handle, otherwise false.</returns>
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FORCE_INLINE bool HasHWND() const
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{
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return _handle != nullptr;
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}
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/// <summary>
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/// Gets the information about screen which contains window.
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/// </summary>
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/// <param name="x">The x position.</param>
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/// <param name="y">The y position.</param>
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/// <param name="width">The width.</param>
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/// <param name="height">The height.</param>
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void GetScreenInfo(int32& x, int32& y, int32& width, int32& height) const;
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public:
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/// <summary>
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/// The Windows messages procedure.
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/// </summary>
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/// <param name="msg">The mMessage.</param>
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/// <param name="wParam">The first parameter.</param>
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/// <param name="lParam">The second parameter.</param>
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/// <returns>The result.</returns>
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Windows::LRESULT WndProc(Windows::UINT msg, Windows::WPARAM wParam, Windows::LPARAM lParam);
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private:
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void CheckForWindowResize();
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void UpdateCursor() const;
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void UpdateRegion();
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public:
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// [Window]
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void* GetNativePtr() const override;
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void Show() override;
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void Hide() override;
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void Minimize() override;
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void Maximize() override;
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void Restore() override;
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bool IsClosed() const override;
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bool IsForegroundWindow() const override;
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void BringToFront(bool force = false) override;
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void SetClientBounds(const Rectangle& clientArea) override;
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void SetPosition(const Vector2& position) override;
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void SetClientPosition(const Vector2& position) override;
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void SetIsFullscreen(bool isFullscreen) override;
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Vector2 GetPosition() const override;
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Vector2 GetSize() const override;
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Vector2 GetClientSize() const override;
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Vector2 ScreenToClient(const Vector2& screenPos) const override;
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Vector2 ClientToScreen(const Vector2& clientPos) const override;
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void FlashWindow() override;
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float GetOpacity() const override;
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void SetOpacity(float opacity) override;
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void Focus() override;
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void SetTitle(const StringView& title) override;
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DragDropEffect DoDragDrop(const StringView& data) override;
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void StartTrackingMouse(bool useMouseScreenOffset) override;
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void EndTrackingMouse() override;
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void SetCursor(CursorType type) override;
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#if USE_EDITOR
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// [IUnknown]
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Windows::HRESULT __stdcall QueryInterface(const Windows::IID& id, void** ppvObject) override;
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Windows::ULONG __stdcall AddRef() override;
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Windows::ULONG __stdcall Release() override;
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// [IDropTarget]
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Windows::HRESULT __stdcall DragEnter(Windows::IDataObject* pDataObj, Windows::DWORD grfKeyState, Windows::POINTL pt, Windows::DWORD* pdwEffect) override;
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Windows::HRESULT __stdcall DragOver(Windows::DWORD grfKeyState, Windows::POINTL pt, Windows::DWORD* pdwEffect) override;
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Windows::HRESULT __stdcall DragLeave() override;
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Windows::HRESULT __stdcall Drop(Windows::IDataObject* pDataObj, Windows::DWORD grfKeyState, Windows::POINTL pt, Windows::DWORD* pdwEffect) override;
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#endif
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};
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#endif
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