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79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
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/*
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Copyright 2018 Peter Repukat - FlatspotSoftware
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#pragma once
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#include "../dependencies/minhook/include/MinHook.h"
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#if defined _M_X64
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#pragma comment(lib, "../packages/minhook.1.3.3/lib/native/lib/libMinHook-x64-v141-mt.lib")
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#elif defined _M_IX86
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#pragma comment(lib, "../dependencies/minhook/build/VC15/lib/Release/libMinHook.x86.lib")
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#endif
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namespace fgwinhook
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{
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typedef HWND(WINAPI *GETFOREGROUNDWINDOW)();
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GETFOREGROUNDWINDOW fGetForegroundWindow = NULL;
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HWND WINAPI DetourGetForegroundWindow()
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{
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return FindWindow(nullptr, L"GloSC_OverlayWindow");
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}
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template <typename T>
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inline MH_STATUS MH_CreateHookEx(LPVOID pTarget, LPVOID pDetour, T** ppOriginal)
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{
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return MH_CreateHook(pTarget, pDetour, reinterpret_cast<LPVOID*>(ppOriginal));
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}
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template <typename T>
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inline MH_STATUS MH_CreateHookApiEx(
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LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, T** ppOriginal)
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{
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return MH_CreateHookApi(
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pszModule, pszProcName, pDetour, reinterpret_cast<LPVOID*>(ppOriginal));
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}
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void patchForegroundWindow()
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{
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// Initialize MinHook.
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if (MH_Initialize() != MH_OK)
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return;
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// Create a hook for GetActiveWindow, in disabled state.
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if (MH_CreateHookApiEx(L"user32", "GetForegroundWindow", &DetourGetForegroundWindow, &fGetForegroundWindow) != MH_OK)
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return;
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// Enable the hook for GetActiveWindow.
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if (MH_EnableHook(&GetForegroundWindow) != MH_OK)
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return;
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}
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void unpatchForegroundWindow()
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{
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if (MH_DisableHook(&GetForegroundWindow) != MH_OK)
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return;
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// Uninitialize MinHook.
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if (MH_Uninitialize() != MH_OK)
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return;
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}
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}
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