139 lines
3.2 KiB
C++
139 lines
3.2 KiB
C++
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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DirtTrackRacing.cpp
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Abstract:
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App shows a white (or whatever your default window background color is) screen when starting up which is
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inconsistent behavior from on 9x because on 9x it doesn't draw anything if the app's window class doesn't
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have a background brush. Use a black brush for the background.
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Notes:
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This is an app specific shim.
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History:
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10/01/2000 maonis Created
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11/07/2000 maonis Added checking for Dirt Track Racing Sprint Cars window class.
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11/29/2000 andyseti Converted into AppSpecific shim.
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(DirtTrackRacing)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(RegisterClassA)
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APIHOOK_ENUM_ENTRY(CreateWindowExA)
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APIHOOK_ENUM_END
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/*++
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Register a black brush for the window class.
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--*/
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ATOM
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APIHOOK(RegisterClassA)(
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CONST WNDCLASSA *lpwcx
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)
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{
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CSTRING_TRY
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{
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CString csClassName(lpwcx->lpszClassName);
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if ( !csClassName.CompareNoCase(L"DTR Class") || !csClassName.CompareNoCase(L"DTRSC Class"))
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{
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WNDCLASSA wcNewWndClass = *lpwcx;
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wcNewWndClass.hbrBackground = (HBRUSH) GetStockObject(BLACK_BRUSH);
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LOGN(
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eDbgLevelError,
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"RegisterClassA called. Register a black brush for the window class=%s.",
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lpwcx->lpszClassName);
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return ORIGINAL_API(RegisterClassA)(&wcNewWndClass);
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}
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}
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CSTRING_CATCH
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{
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// Do nothing
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}
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return ORIGINAL_API(RegisterClassA)(lpwcx);
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}
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/*++
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We need to hide the window at first so after you choose the mode and start the app it won't flicker.
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DDraw will automatically unhide the window.
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--*/
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HWND
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APIHOOK(CreateWindowExA)(
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DWORD dwExStyle,
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LPCSTR lpClassName, // registered class name
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LPCSTR lpWindowName, // window name
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DWORD dwStyle, // window style
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int x, // horizontal position of window
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int y, // vertical position of window
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int nWidth, // window width
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int nHeight, // window height
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HWND hWndParent, // handle to parent or owner window
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HMENU hMenu, // menu handle or child identifier
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HINSTANCE hInstance, // handle to application instance
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LPVOID lpParam // window-creation data
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)
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{
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CSTRING_TRY
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{
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CString csClassName(lpClassName);
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if ( !csClassName.CompareNoCase(L"DTR Class") || !csClassName.CompareNoCase(L"DTRSC Class"))
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{
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dwStyle &= ~WS_VISIBLE;
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LOGN( eDbgLevelError,
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"CreateWindowExA called. Hide the window at first for the window class=%s.",
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lpClassName);
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}
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}
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CSTRING_CATCH
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{
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// Do nothing
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}
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return ORIGINAL_API(CreateWindowExA)(
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dwExStyle,
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lpClassName,
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lpWindowName,
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dwStyle,
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x, y,
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nWidth, nHeight,
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hWndParent,
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hMenu,
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hInstance,
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lpParam);
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}
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/*++
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Register hooked functions
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--*/
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HOOK_BEGIN
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APIHOOK_ENTRY(USER32.DLL, RegisterClassA)
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APIHOOK_ENTRY(USER32.DLL, CreateWindowExA)
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HOOK_END
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IMPLEMENT_SHIM_END
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