113 lines
1.9 KiB
C++
113 lines
1.9 KiB
C++
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/*++
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Copyright (c) 2002 Microsoft Corporation
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Module Name:
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CreativeOnScreenDisplay.cpp
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Abstract:
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App crashes with low resolution display changes.
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Notes:
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This is an app specific shim.
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History:
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06/25/2002 linstev Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(CreativeOnScreenDisplay)
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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(SetWindowLongA)
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APIHOOK_ENUM_END
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/*++
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Handle display change messages
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--*/
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LRESULT
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CALLBACK
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Creative_WindowProcHook(
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WNDPROC pfnOld,
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HWND hwnd,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam
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)
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{
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if (uMsg == WM_DISPLAYCHANGE)
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{
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// Ignore this message if the resolution is too low
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if ((LOWORD(lParam) < 512) || (HIWORD(lParam) < 384))
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{
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LOGN(eDbgLevelError, "[WndProc] Hiding WM_DISPLAYCHANGE for low resolution mode");
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return 0;
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}
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}
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return (*pfnOld)(hwnd, uMsg, wParam, lParam);
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}
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/*++
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Hook the wndproc
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--*/
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ATOM
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APIHOOK(RegisterClassA)(
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CONST WNDCLASSA *lpWndClass
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)
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{
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WNDCLASSA wcNewWndClass = *lpWndClass;
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wcNewWndClass.lpfnWndProc =
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(WNDPROC) HookCallback(lpWndClass->lpfnWndProc, Creative_WindowProcHook);
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return ORIGINAL_API(RegisterClassA)(&wcNewWndClass);
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}
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LONG
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APIHOOK(SetWindowLongA)(
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HWND hWnd,
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int nIndex,
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LONG dwNewLong
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)
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{
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if (nIndex == GWL_WNDPROC)
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{
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dwNewLong = (LONG) HookCallback((PVOID)dwNewLong, Creative_WindowProcHook);
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}
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return ORIGINAL_API(SetWindowLongA)(
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hWnd,
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nIndex,
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dwNewLong);
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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, SetWindowLongA)
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HOOK_END
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IMPLEMENT_SHIM_END
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