123 lines
5.1 KiB
C++
123 lines
5.1 KiB
C++
//// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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//// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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//// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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//// PARTICULAR PURPOSE.
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////
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//// Copyright (c) Microsoft Corporation. All rights reserved
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#pragma once
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#include "pch.h"
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#include "DeviceResources.h"
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// <summary>
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// This class can be used on its own or extended to provide custom functionality.
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// This class implements a map to respond to messages relevant to DPI events.
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// </summary>
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class CSampleDesktopWindow : public CWindowImpl<CSampleDesktopWindow, CWindow, CWinTraits < WS_OVERLAPPED | WS_VISIBLE | WS_SYSMENU | WS_SIZEBOX > >
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{
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public:
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BEGIN_MSG_MAP(c)
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MESSAGE_HANDLER(WM_CREATE, OnCreate)
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MESSAGE_HANDLER(WM_PAINT, OnPaint)
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MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
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MESSAGE_HANDLER(WM_WINDOWPOSCHANGED, OnWindowPosChanged)
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MESSAGE_HANDLER(WM_DISPLAYCHANGE, OnDisplayChange)
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MESSAGE_HANDLER(WM_GETMINMAXINFO, OnGetMinMaxInfo)
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MESSAGE_HANDLER(WM_ACTIVATE, OnActivate)
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MESSAGE_HANDLER(WM_POWERBROADCAST, OnPowerBroadcast)
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MESSAGE_HANDLER(WM_USER, OnOcclusion)
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MESSAGE_HANDLER(WM_POINTERDOWN, OnPointerDown)
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MESSAGE_HANDLER(WM_POINTERUP, OnPointerUp)
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MESSAGE_HANDLER(WM_POINTERUPDATE, OnPointerUpdate)
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MESSAGE_HANDLER(WM_ENTERSIZEMOVE, OnEnterSizeMove)
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MESSAGE_HANDLER(WM_EXITSIZEMOVE, OnExitSizeMove)
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MESSAGE_HANDLER(WM_DPICHANGED, OnDpiChange)
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END_MSG_MAP()
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DECLARE_WND_CLASS_EX(nullptr, 0, -1);
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CSampleDesktopWindow();
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~CSampleDesktopWindow();
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// <summary>
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// This method provides the main message pump for the application.
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// </summary>
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HRESULT Run();
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protected:
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// <summary>
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// This method is used to create and initialize this class
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// for use by the application.
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// </summary>
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HRESULT Initialize(_In_ RECT bounds, _In_ std::wstring title);
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// Store DPI information for use by this class.
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void SetNewDpi(_In_ float newPerMonitorDpi);
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// Cached pointer to device resources.
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std::shared_ptr<DeviceResources> m_deviceResources;
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// Store application and display state to optimize rendering and present instructions.
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bool m_visible;
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DWORD m_occlusion;
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private:
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// Draw client area of base Desktop Window.
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HRESULT Render();
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// <summary>
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// These methods will be called as messages are processed by message map
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// defined in this class.
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// </summary>
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LRESULT OnCreate(_In_ UINT, _In_ WPARAM, _In_ LPARAM lParam, _Out_ BOOL &bHandled);
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LRESULT OnDestroy(_In_ UINT, _In_ WPARAM, _In_ LPARAM, _Out_ BOOL &bHandled);
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LRESULT OnPaint(_In_ UINT, _In_ WPARAM, _In_ LPARAM, _Out_ BOOL &bHandled);
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LRESULT OnWindowPosChanged(_In_ UINT, _In_ WPARAM, _In_ LPARAM lparam, _Out_ BOOL &bHandled);
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LRESULT OnDisplayChange(_In_ UINT, _In_ WPARAM, _In_ LPARAM, _Out_ BOOL &bHandled);
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LRESULT OnGetMinMaxInfo(_In_ UINT, _In_ WPARAM, _In_ LPARAM lparam, _Out_ BOOL &bHandled);
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LRESULT OnActivate(_In_ UINT, _In_ WPARAM wparam, _In_ LPARAM, _Out_ BOOL &bHandled);
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LRESULT OnPowerBroadcast(_In_ UINT, _In_ WPARAM, _In_ LPARAM lparam, _Out_ BOOL &bHandled);
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LRESULT OnOcclusion(_In_ UINT, _In_ WPARAM, _In_ LPARAM, _Out_ BOOL &bHandled);
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LRESULT OnPointerDown(_In_ UINT, _In_ WPARAM, _In_ LPARAM lparam, _Out_ BOOL &bHandled);
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LRESULT OnPointerUp(_In_ UINT, _In_ WPARAM, _In_ LPARAM lparam, _Out_ BOOL &bHandled);
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LRESULT OnPointerUpdate(_In_ UINT, _In_ WPARAM, _In_ LPARAM lparam, _Out_ BOOL &bHandled);
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LRESULT OnEnterSizeMove(_In_ UINT, _In_ WPARAM, _In_ LPARAM, _Out_ BOOL &bHandled);
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LRESULT OnExitSizeMove(_In_ UINT, _In_ WPARAM, _In_ LPARAM, _Out_ BOOL &bHandled);
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LRESULT OnDpiChange(_In_ UINT, _In_ WPARAM, _In_ LPARAM lparam, _Out_ BOOL &bHandled);
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// <summary>
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// Allocate and release device resources required for Dx operations.
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// These are implemented by any classes deriving from SampleDesktopWindow.
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// </summary>
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virtual void CreateDeviceIndependentResources() {};
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virtual void ReleaseDeviceIndependentResources() {};
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virtual void CreateDeviceResources() {};
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virtual void ReleaseDeviceResources() {};
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// <summary>
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// Method to be implemented by any classes inheriting from SampleDesktopWindow.
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// SampleDesktopWindow will call this once default rendering functionality
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// is complete.
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// </summary>
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virtual void Draw() {};
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// <summary>
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// Extend default message handlers provided by DesktopWindow class.
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// Note: These do not overwrite handlers provided by this class,
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// but are called by default message handlers provided.
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// </summary>
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virtual void OnPointerUp(_In_ float /* x */, _In_ float /* y */) {};
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virtual void OnPointerDown(_In_ float /* x */, _In_ float /* y */) {};
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virtual void OnPointerUpdate(_In_ float /* x */, _In_ float /* y */) {};
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virtual void OnEnterSizeMove() {};
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virtual void OnExitSizeMove() {};
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virtual void OnDpiChange(_In_ int /* dpi */, _In_ LPRECT /* rect */) {};
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virtual void OnDisplayChange() {};
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}; |