421 lines
14 KiB
C++
421 lines
14 KiB
C++
/********************************************************************************
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Copyright (C) 2012 Hugh Bailey <obs.jim@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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********************************************************************************/
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#include "GraphicsCapture.h"
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extern "C" __declspec(dllexport) bool LoadPlugin();
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extern "C" __declspec(dllexport) void UnloadPlugin();
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extern "C" __declspec(dllexport) CTSTR GetPluginName();
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extern "C" __declspec(dllexport) CTSTR GetPluginDescription();
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HINSTANCE hinstMain = NULL;
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HANDLE textureMutexes[2] = {NULL, NULL};
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#define GRAPHICSCAPTURE_CLASSNAME TEXT("GraphicsCapture")
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inline BOOL Is64BitWindows()
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{
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#if defined(_WIN64)
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return TRUE;
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#elif defined(_WIN32)
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BOOL f64 = FALSE;
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return IsWow64Process(GetCurrentProcess(), &f64) && f64;
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#endif
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}
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struct WindowInfo
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{
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String strClass;
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BOOL b64bit;
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BOOL bRequiresAdmin;
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};
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struct ConfigDialogData
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{
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XElement *data;
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List<WindowInfo> windowData;
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StringList adminWindows;
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StringList opposingBitWindows;
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UINT cx, cy;
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inline void ClearData()
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{
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for(UINT i=0; i<windowData.Num(); i++)
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windowData[i].strClass.Clear();
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windowData.Clear();
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adminWindows.Clear();
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opposingBitWindows.Clear();
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}
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inline ~ConfigDialogData()
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{
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for(UINT i=0; i<windowData.Num(); i++)
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windowData[i].strClass.Clear();
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}
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};
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void RefreshWindowList(HWND hwndCombobox, ConfigDialogData &configData)
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{
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SendMessage(hwndCombobox, CB_RESETCONTENT, 0, 0);
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configData.ClearData();
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BOOL bWindows64bit = Is64BitWindows();
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BOOL bCurrentProcessIsWow64 = FALSE;
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IsWow64Process(GetCurrentProcess(), &bCurrentProcessIsWow64);
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HWND hwndCurrent = GetWindow(GetDesktopWindow(), GW_CHILD);
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do
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{
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if(IsWindowVisible(hwndCurrent))
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{
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RECT clientRect;
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GetClientRect(hwndCurrent, &clientRect);
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HWND hwndParent = GetParent(hwndCurrent);
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DWORD exStyles = (DWORD)GetWindowLongPtr(hwndCurrent, GWL_EXSTYLE);
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DWORD styles = (DWORD)GetWindowLongPtr(hwndCurrent, GWL_STYLE);
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if( (exStyles & WS_EX_TOOLWINDOW) == 0 && (styles & WS_CHILD) == 0 && hwndParent == NULL)
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{
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String strWindowName;
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strWindowName.SetLength(GetWindowTextLength(hwndCurrent));
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GetWindowText(hwndCurrent, strWindowName, strWindowName.Length()+1);
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bool b64bit = false;
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//-------
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DWORD processID;
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GetWindowThreadProcessId(hwndCurrent, &processID);
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if(processID == GetCurrentProcessId())
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continue;
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TCHAR fileName[MAX_PATH+1];
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scpy(fileName, TEXT("unknown"));
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HANDLE hProcess = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION | PROCESS_VM_READ | PROCESS_VM_WRITE, FALSE, processID);
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if(hProcess)
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{
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BOOL bTargetProcessIsWow64 = FALSE;
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IsWow64Process(hProcess, &bTargetProcessIsWow64);
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DWORD dwSize = MAX_PATH;
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QueryFullProcessImageName(hProcess, 0, fileName, &dwSize);
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StringList moduleList;
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OSGetLoadedModuleList(hProcess, moduleList);
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CloseHandle(hProcess);
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//todo: remove later
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if(bCurrentProcessIsWow64 != bTargetProcessIsWow64)
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{
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configData.opposingBitWindows << strWindowName;
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continue;
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}
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BOOL bFoundModule = FALSE;
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for(UINT i=0; i<moduleList.Num(); i++)
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{
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CTSTR moduleName = moduleList[i];
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if (!scmp(moduleName, TEXT("d3d9.dll")) ||
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!scmp(moduleName, TEXT("d3d10.dll")) ||
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!scmp(moduleName, TEXT("d3d10_1.dll")) ||
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!scmp(moduleName, TEXT("d3d11.dll")) ||
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!scmp(moduleName, TEXT("opengl32.dll")))
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{
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bFoundModule = true;
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break;
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}
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}
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if (!bFoundModule)
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continue;
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b64bit = (bWindows64bit && !bTargetProcessIsWow64);
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}
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else
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{
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hProcess = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, processID);
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if(hProcess)
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{
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BOOL bTargetProcessIsWow64 = FALSE;
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IsWow64Process(hProcess, &bTargetProcessIsWow64);
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if(bCurrentProcessIsWow64 != bTargetProcessIsWow64)
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configData.opposingBitWindows << strWindowName;
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configData.adminWindows << strWindowName;
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CloseHandle(hProcess);
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}
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continue;
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}
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//-------
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String strFileName = fileName;
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strFileName.FindReplace(TEXT("\\"), TEXT("/"));
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String strText;
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strText << TEXT("[") << GetPathFileName(strFileName);
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strText << (b64bit ? TEXT("*64") : TEXT("*32"));
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strText << TEXT("]: ") << strWindowName;
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int id = (int)SendMessage(hwndCombobox, CB_ADDSTRING, 0, (LPARAM)strText.Array());
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SendMessage(hwndCombobox, CB_SETITEMDATA, id, (LPARAM)hwndCurrent);
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String strClassName;
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strClassName.SetLength(256);
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GetClassName(hwndCurrent, strClassName.Array(), 255);
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strClassName.SetLength(slen(strClassName));
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WindowInfo &info = *configData.windowData.CreateNew();
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info.strClass = strClassName;
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info.b64bit = b64bit;
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info.bRequiresAdmin = false; //todo: add later
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}
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}
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} while (hwndCurrent = GetNextWindow(hwndCurrent, GW_HWNDNEXT));
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}
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INT_PTR CALLBACK ConfigureDialogProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch(message)
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{
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case WM_INITDIALOG:
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{
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ConfigDialogData *info = (ConfigDialogData*)lParam;
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XElement *data = info->data;
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SetWindowLongPtr(hwnd, DWLP_USER, (LONG_PTR)lParam);
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LocalizeWindow(hwnd);
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//--------------------------------------------
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SendMessage(hwnd, WM_COMMAND, MAKEWPARAM(IDC_REFRESH, BN_CLICKED), (LPARAM)GetDlgItem(hwnd, IDC_APPLIST));
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//--------------------------------------------
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BOOL bCaptureMouse = data->GetInt(TEXT("captureMouse"), 1);
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SendMessage(GetDlgItem(hwnd, IDC_STRETCHTOSCREEN), BM_SETCHECK, data->GetInt(TEXT("stretchImage")) ? BST_CHECKED : BST_UNCHECKED, 0);
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SendMessage(GetDlgItem(hwnd, IDC_CAPTUREMOUSE), BM_SETCHECK, bCaptureMouse ? BST_CHECKED : BST_UNCHECKED, 0);
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SendMessage(GetDlgItem(hwnd, IDC_INVERTMOUSEONCLICK), BM_SETCHECK, data->GetInt(TEXT("invertMouse")) ? BST_CHECKED : BST_UNCHECKED, 0);
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EnableWindow(GetDlgItem(hwnd, IDC_INVERTMOUSEONCLICK), bCaptureMouse);
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return TRUE;
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}
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case WM_COMMAND:
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switch(LOWORD(wParam))
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{
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case IDC_CAPTUREMOUSE:
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{
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BOOL bCaptureMouse = SendMessage(GetDlgItem(hwnd, IDC_CAPTUREMOUSE), BM_GETCHECK, 0, 0) == BST_CHECKED;
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EnableWindow(GetDlgItem(hwnd, IDC_INVERTMOUSEONCLICK), bCaptureMouse);
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}
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break;
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case IDC_REFRESH:
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{
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ConfigDialogData *info = (ConfigDialogData*)GetWindowLongPtr(hwnd, DWLP_USER);
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XElement *data = info->data;
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CTSTR lpWindowName = data->GetString(TEXT("window"));
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HWND hwndWindowList = GetDlgItem(hwnd, IDC_APPLIST);
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RefreshWindowList(hwndWindowList, *info);
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UINT windowID = 0;
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if(lpWindowName)
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windowID = (UINT)SendMessage(hwndWindowList, CB_FINDSTRINGEXACT, -1, (LPARAM)lpWindowName);
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if(windowID != CB_ERR)
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SendMessage(hwndWindowList, CB_SETCURSEL, windowID, 0);
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else
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SendMessage(hwndWindowList, CB_SETCURSEL, 0, 0);
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String strInfoText;
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//todo: remove later whem more stable
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strInfoText << TEXT("Note: This plugin is currently experimental and may not be fully stable yet.\r\nIf using multiple scenes, I highly recommend using this as a global source to prevent stability issues.\r\n\r\n");
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if(info->adminWindows.Num())
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{
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strInfoText << Str("Sources.GameCaptureSource.RequiresAdmin") << TEXT("\r\n");
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for(UINT i=0; i<info->adminWindows.Num(); i++)
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strInfoText << info->adminWindows[i] << TEXT("\r\n");
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}
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if(info->opposingBitWindows.Num())
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{
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#ifdef _WIN64
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strInfoText << Str("Sources.GameCaptureSource.Requires32bit") << TEXT("\r\n");
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#else
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strInfoText << Str("Sources.GameCaptureSource.Requires64bit") << TEXT("\r\n");
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#endif
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for(UINT i=0; i<info->opposingBitWindows.Num(); i++)
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strInfoText << TEXT(" * ") << info->opposingBitWindows[i] << TEXT("\r\n");
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}
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SetWindowText(GetDlgItem(hwnd, IDC_INFO), strInfoText);
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}
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break;
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case IDOK:
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{
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UINT windowID = (UINT)SendMessage(GetDlgItem(hwnd, IDC_APPLIST), CB_GETCURSEL, 0, 0);
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if(windowID == CB_ERR) windowID = 0;
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ConfigDialogData *info = (ConfigDialogData*)GetWindowLongPtr(hwnd, DWLP_USER);
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XElement *data = info->data;
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if(!info->windowData.Num())
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return 0;
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String strWindow = GetCBText(GetDlgItem(hwnd, IDC_APPLIST), windowID);
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data->SetString(TEXT("window"), strWindow);
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data->SetString(TEXT("windowClass"), info->windowData[windowID].strClass);
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data->SetInt(TEXT("stretchImage"), SendMessage(GetDlgItem(hwnd, IDC_STRETCHTOSCREEN), BM_GETCHECK, 0, 0) == BST_CHECKED);
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data->SetInt(TEXT("captureMouse"), SendMessage(GetDlgItem(hwnd, IDC_CAPTUREMOUSE), BM_GETCHECK, 0, 0) == BST_CHECKED);
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data->SetInt(TEXT("invertMouse"), SendMessage(GetDlgItem(hwnd, IDC_INVERTMOUSEONCLICK), BM_GETCHECK, 0, 0) == BST_CHECKED);
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}
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case IDCANCEL:
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EndDialog(hwnd, LOWORD(wParam));
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}
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break;
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case WM_CLOSE:
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EndDialog(hwnd, IDCANCEL);
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}
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return 0;
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}
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bool STDCALL ConfigureGraphicsCaptureSource(XElement *element, bool bCreating)
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{
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if(!element)
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{
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AppWarning(TEXT("ConfigureGraphicsCaptureSource: NULL element"));
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return false;
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}
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XElement *data = element->GetElement(TEXT("data"));
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if(!data)
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data = element->CreateElement(TEXT("data"));
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ConfigDialogData *configData = new ConfigDialogData;
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configData->data = data;
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if(DialogBoxParam(hinstMain, MAKEINTRESOURCE(IDD_CONFIG), API->GetMainWindow(), ConfigureDialogProc, (LPARAM)configData) == IDOK)
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{
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UINT width, height;
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API->GetBaseSize(width, height);
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element->SetInt(TEXT("cx"), width);
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element->SetInt(TEXT("cy"), height);
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delete configData;
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return true;
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}
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delete configData;
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return false;
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}
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ImageSource* STDCALL CreateGraphicsCaptureSource(XElement *data)
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{
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GraphicsCaptureSource *source = new GraphicsCaptureSource;
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if(!source->Init(data))
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{
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delete source;
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return NULL;
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}
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return source;
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}
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bool LoadPlugin()
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{
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WNDCLASS wc;
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zero(&wc, sizeof(wc));
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wc.hInstance = hinstMain;
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wc.cbWndExtra = sizeof(LPVOID);
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wc.lpszClassName = RECEIVER_WINDOWCLASS;
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wc.lpfnWndProc = (WNDPROC)GraphicsCaptureSource::ReceiverWindowProc;
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if(!RegisterClass(&wc))
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{
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AppWarning(TEXT("Could not register window class for graphics plugin"));
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return false;
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}
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textureMutexes[0] = CreateMutex(NULL, NULL, TEXTURE_MUTEX1);
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if(!textureMutexes[0])
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{
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AppWarning(TEXT("Could not create texture mutex 1, GetLastError = %u"), GetLastError());
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return false;
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}
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textureMutexes[1] = CreateMutex(NULL, NULL, TEXTURE_MUTEX2);
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if(!textureMutexes[1])
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{
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AppWarning(TEXT("Could not create texture mutex 2, GetLastError = %u"), GetLastError());
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return false;
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}
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API->RegisterImageSourceClass(GRAPHICSCAPTURE_CLASSNAME, Str("Sources.GameCaptureSource"), (OBSCREATEPROC)CreateGraphicsCaptureSource, (OBSCONFIGPROC)ConfigureGraphicsCaptureSource);
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return true;
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}
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void UnloadPlugin()
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{
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CloseHandle(textureMutexes[0]);
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CloseHandle(textureMutexes[1]);
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}
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CTSTR GetPluginName()
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{
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return Str("Sources.GameCaptureSource.PluginName");
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}
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CTSTR GetPluginDescription()
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{
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return Str("Sources.GameCaptureSource.PluginDescription");
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}
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BOOL CALLBACK DllMain(HINSTANCE hInst, DWORD dwReason, LPVOID lpBla)
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{
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if(dwReason == DLL_PROCESS_ATTACH)
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hinstMain = hInst;
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return TRUE;
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}
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