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hook MapWindowPoints

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This commit is contained in:
FunkyFr3sh 2021-05-29 21:40:21 +02:00
parent 5baeb50d1e
commit 29863ed472
5 changed files with 24 additions and 4 deletions
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2
inc/hook.h
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@ -28,6 +28,7 @@ typedef LONG (WINAPI* SETWINDOWLONGAPROC)(HWND, int, LONG);
typedef BOOL (WINAPI* ENABLEWINDOWPROC)(HWND, BOOL);
typedef HWND (WINAPI* CREATEWINDOWEXAPROC)(DWORD, LPCSTR, LPCSTR, DWORD, int, int, int, int, HWND, HMENU, HINSTANCE, LPVOID);
typedef BOOL (WINAPI* DESTROYWINDOWPROC)(HWND);
typedef int (WINAPI* MAPWINDOWPOINTSPROC)(HWND, HWND, LPPOINT, UINT);
typedef int (WINAPI* GETDEVICECAPSPROC)(HDC, int);
typedef HMODULE (WINAPI* LOADLIBRARYAPROC)(LPCSTR);
typedef HMODULE (WINAPI* LOADLIBRARYWPROC)(LPCWSTR);
@ -54,6 +55,7 @@ extern SETWINDOWLONGAPROC real_SetWindowLongA;
extern ENABLEWINDOWPROC real_EnableWindow;
extern CREATEWINDOWEXAPROC real_CreateWindowExA;
extern DESTROYWINDOWPROC real_DestroyWindow;
extern MAPWINDOWPOINTSPROC real_MapWindowPoints;
extern GETDEVICECAPSPROC real_GetDeviceCaps;
extern LOADLIBRARYAPROC real_LoadLibraryA;
extern LOADLIBRARYWPROC real_LoadLibraryW;

1
inc/winapi_hooks.h
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@ -24,6 +24,7 @@ LRESULT WINAPI fake_SendMessageA(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lPar
LONG WINAPI fake_SetWindowLongA(HWND hWnd, int nIndex, LONG dwNewLong);
BOOL WINAPI fake_EnableWindow(HWND hWnd, BOOL bEnable);
BOOL WINAPI fake_DestroyWindow(HWND hWnd);
int WINAPI fake_MapWindowPoints(HWND hWndFrom, HWND hWndTo, LPPOINT lpPoints, UINT cPoints);
int WINAPI fake_GetDeviceCaps(HDC hdc, int index);
HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName);
HMODULE WINAPI fake_LoadLibraryW(LPCWSTR lpLibFileName);

2
src/hook.c
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@ -36,6 +36,7 @@ SETWINDOWLONGAPROC real_SetWindowLongA = SetWindowLongA;
ENABLEWINDOWPROC real_EnableWindow = EnableWindow;
CREATEWINDOWEXAPROC real_CreateWindowExA = CreateWindowExA;
DESTROYWINDOWPROC real_DestroyWindow = DestroyWindow;
MAPWINDOWPOINTSPROC real_MapWindowPoints = MapWindowPoints;
GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
LOADLIBRARYAPROC real_LoadLibraryA = LoadLibraryA;
LOADLIBRARYWPROC real_LoadLibraryW = LoadLibraryW;
@ -68,6 +69,7 @@ static hook_list g_hooks[] =
{ "EnableWindow", (PROC)fake_EnableWindow, (PROC*)&real_EnableWindow },
{ "CreateWindowExA", (PROC)fake_CreateWindowExA, (PROC*)&real_CreateWindowExA },
{ "DestroyWindow", (PROC)fake_DestroyWindow, (PROC*)&real_DestroyWindow },
{ "MapWindowPoints", (PROC)fake_MapWindowPoints, (PROC*)&real_MapWindowPoints },
{ "", NULL, NULL }
}
},

2
src/utils.c
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@ -322,7 +322,7 @@ BOOL CALLBACK util_enum_child_proc(HWND hwnd, LPARAM lparam)
dds_GetDC(this, &src_dc);
MapWindowPoints(HWND_DESKTOP, g_ddraw->hwnd, (LPPOINT)&pos, 2);
real_MapWindowPoints(HWND_DESKTOP, g_ddraw->hwnd, (LPPOINT)&pos, 2);
BitBlt(dst_dc, 0, 0, size.right, size.bottom, src_dc, pos.left, pos.top, SRCCOPY);

21
src/winapi_hooks.c
View File

@ -146,7 +146,7 @@ BOOL WINAPI fake_GetWindowRect(HWND hWnd, LPRECT lpRect)
{
if (real_GetWindowRect(hWnd, lpRect))
{
MapWindowPoints(HWND_DESKTOP, g_ddraw->hwnd, (LPPOINT)lpRect, 2);
real_MapWindowPoints(HWND_DESKTOP, g_ddraw->hwnd, (LPPOINT)lpRect, 2);
return TRUE;
}
@ -282,7 +282,7 @@ LRESULT WINAPI fake_SendMessageA(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lPar
{
RECT *rc = (RECT *)lParam;
if (rc)
MapWindowPoints(HWND_DESKTOP, g_ddraw->hwnd, (LPPOINT)rc, 2);
real_MapWindowPoints(HWND_DESKTOP, g_ddraw->hwnd, (LPPOINT)rc, 2);
}
return result;
@ -306,6 +306,21 @@ BOOL WINAPI fake_EnableWindow(HWND hWnd, BOOL bEnable)
return real_EnableWindow(hWnd, bEnable);
}
int WINAPI fake_MapWindowPoints(HWND hWndFrom, HWND hWndTo, LPPOINT lpPoints, UINT cPoints)
{
if (g_ddraw && hWndFrom == g_ddraw->hwnd && hWndTo == HWND_DESKTOP)
{
return 0;
}
if (g_ddraw && hWndFrom == HWND_DESKTOP && hWndTo == g_ddraw->hwnd)
{
return 0;
}
return real_MapWindowPoints(hWndFrom, hWndTo, lpPoints, cPoints);
}
int WINAPI fake_GetDeviceCaps(HDC hdc, int index)
{
if (g_ddraw &&
@ -416,7 +431,7 @@ HWND WINAPI fake_CreateWindowExA(
}
real_GetClientRect(g_ddraw->hwnd, &g_ddraw->bnet_win_rect);
MapWindowPoints(g_ddraw->hwnd, HWND_DESKTOP, (LPPOINT)&g_ddraw->bnet_win_rect, 2);
real_MapWindowPoints(g_ddraw->hwnd, HWND_DESKTOP, (LPPOINT)&g_ddraw->bnet_win_rect, 2);
int width = g_ddraw->bnet_win_rect.right - g_ddraw->bnet_win_rect.left;
int height = g_ddraw->bnet_win_rect.bottom - g_ddraw->bnet_win_rect.top;