82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
/*
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* Copyright (C) Nemirtingas
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* This file is part of the ingame overlay project
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*
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* The ingame overlay project is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* The ingame overlay project is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with the ingame overlay project; if not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "../internal_includes.h"
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class Windows_Hook :
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public Base_Hook
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{
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public:
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static constexpr const char* DLL_NAME = "user32.dll";
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private:
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static Windows_Hook* _inst;
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// Variables
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bool _Hooked;
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bool _Initialized;
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int _RecurseCallCount;
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HWND _GameHwnd;
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WNDPROC _GameWndProc;
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POINT _SavedCursorPos;
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// Functions
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Windows_Hook();
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// Hook to Windows window messages
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decltype(::GetRawInputBuffer) *GetRawInputBuffer;
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decltype(::GetRawInputData) *GetRawInputData;
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decltype(::GetKeyState) *GetKeyState;
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decltype(::GetAsyncKeyState) *GetAsyncKeyState;
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decltype(::GetKeyboardState) *GetKeyboardState;
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decltype(::GetCursorPos) *GetCursorPos;
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decltype(::SetCursorPos) *SetCursorPos;
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static LRESULT CALLBACK HookWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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static UINT WINAPI MyGetRawInputBuffer(PRAWINPUT pData, PUINT pcbSize, UINT cbSizeHeader);
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static UINT WINAPI MyGetRawInputData(HRAWINPUT hRawInput, UINT uiCommand, LPVOID pData, PUINT pcbSize, UINT cbSizeHeader);
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static SHORT WINAPI MyGetKeyState(int nVirtKey);
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static SHORT WINAPI MyGetAsyncKeyState(int vKey);
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static BOOL WINAPI MyGetKeyboardState(PBYTE lpKeyState);
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static BOOL WINAPI MyGetCursorPos(LPPOINT lpPoint);
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static BOOL WINAPI MySetCursorPos(int X, int Y);
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// In (bool): Is toggle wanted
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// Out(bool): Is the overlay visible, if true, inputs will be disabled
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std::function<bool(bool)> _KeyCombinationCallback;
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public:
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std::string LibraryName;
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virtual ~Windows_Hook();
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void ResetRenderState();
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void SetInitialWindowSize(HWND hWnd);
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bool PrepareForOverlay(HWND hWnd);
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HWND GetGameHwnd() const;
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WNDPROC GetGameWndProc() const;
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bool StartHook(std::function<bool(bool)>& key_combination_callback);
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static Windows_Hook* Inst();
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virtual std::string GetLibraryName() const;
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};
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