/*
* UserSendMouseInput
*
* Process mouse input from input devices and SendInput API
*/
BOOL NTAPI
UserSendMouseInput(MOUSEINPUT *pmi, BOOL bInjected)
{
POINT ptCursor;
PSYSTEM_CURSORINFO pCurInfo;
MSG Msg;
DWORD dwFlags;
ASSERT(pmi);
pCurInfo = IntGetSysCursorInfo();
ptCursor = gpsi->ptCursor;
dwFlags = IntFixMouseInputButtons(pmi->dwFlags);
gppiInputProvider = ((PTHREADINFO)PsGetCurrentThreadWin32Thread())->ppi;
if (pmi->dwFlags & MOUSEEVENTF_MOVE)
{
/* Mouse has changes position */
if (!(pmi->dwFlags & MOUSEEVENTF_ABSOLUTE))
{
/* Relative move */
ptCursor.x += pmi->dx;
ptCursor.y += pmi->dy;
}
else if (pmi->dwFlags & MOUSEEVENTF_VIRTUALDESK)
{
/* Absolute move in virtual screen units */
ptCursor.x = pmi->dx * UserGetSystemMetrics(SM_CXVIRTUALSCREEN) >> 16;
ptCursor.y = pmi->dy * UserGetSystemMetrics(SM_CYVIRTUALSCREEN) >> 16;
}
else
{
/*
* @implemented
*/
BOOL
APIENTRY
NtUserGetCursorInfo(
PCURSORINFO pci)
{
CURSORINFO SafeCi;
PSYSTEM_CURSORINFO CurInfo;
NTSTATUS Status = STATUS_SUCCESS;
PCURICON_OBJECT CurIcon;
BOOL Ret = FALSE;
DECLARE_RETURN(BOOL);
TRACE("Enter NtUserGetCursorInfo\n");
UserEnterExclusive();
CurInfo = IntGetSysCursorInfo();
CurIcon = (PCURICON_OBJECT)CurInfo->CurrentCursorObject;
SafeCi.cbSize = sizeof(CURSORINFO);
SafeCi.flags = ((CurIcon && CurInfo->ShowingCursor >= 0) ? CURSOR_SHOWING : 0);
SafeCi.hCursor = (CurIcon ? CurIcon->head.h : NULL);
SafeCi.ptScreenPos = gpsi->ptCursor;
_SEH2_TRY
{
if (pci->cbSize == sizeof(CURSORINFO))
{
ProbeForWrite(pci, sizeof(CURSORINFO), 1);
RtlCopyMemory(pci, &SafeCi, sizeof(CURSORINFO));
Ret = TRUE;
}
else
{
EngSetLastError(ERROR_INVALID_PARAMETER);
}
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
Status = _SEH2_GetExceptionCode();
}
_SEH2_END;
if (!NT_SUCCESS(Status))
{
SetLastNtError(Status);
}
RETURN(Ret);
CLEANUP:
TRACE("Leave NtUserGetCursorInfo, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
/*
* UserGetMouseButtonsState
*
* Returns bitfield of MK_* flags used in mouse messages
*/
WORD FASTCALL
UserGetMouseButtonsState(VOID)
{
WORD wRet = 0;
wRet = IntGetSysCursorInfo()->ButtonsDown;
if (IS_KEY_DOWN(gafAsyncKeyState, VK_SHIFT)) wRet |= MK_SHIFT;
if (IS_KEY_DOWN(gafAsyncKeyState, VK_CONTROL)) wRet |= MK_CONTROL;
return wRet;
}
BOOL
APIENTRY
UserClipCursor(
RECTL *prcl)
{
/* FIXME: Check if process has WINSTA_WRITEATTRIBUTES */
PSYSTEM_CURSORINFO CurInfo;
PWND DesktopWindow = NULL;
CurInfo = IntGetSysCursorInfo();
DesktopWindow = UserGetDesktopWindow();
if (prcl != NULL && DesktopWindow != NULL)
{
if (prcl->right < prcl->left || prcl->bottom < prcl->top)
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
CurInfo->bClipped = TRUE;
/* Set nw cliping region. Note: we can't use RECTL_bIntersectRect because
it sets rect to 0 0 0 0 when it's empty. For more info see monitor winetest */
CurInfo->rcClip.left = max(prcl->left, DesktopWindow->rcWindow.left);
CurInfo->rcClip.right = min(prcl->right, DesktopWindow->rcWindow.right);
if (CurInfo->rcClip.right < CurInfo->rcClip.left)
CurInfo->rcClip.right = CurInfo->rcClip.left;
CurInfo->rcClip.top = max(prcl->top, DesktopWindow->rcWindow.top);
CurInfo->rcClip.bottom = min(prcl->bottom, DesktopWindow->rcWindow.bottom);
if (CurInfo->rcClip.bottom < CurInfo->rcClip.top)
CurInfo->rcClip.bottom = CurInfo->rcClip.top;
/* Make sure cursor is in clipping region */
UserSetCursorPos(gpsi->ptCursor.x, gpsi->ptCursor.y, 0, 0, FALSE);
}
else
{
CurInfo->bClipped = FALSE;
}
return TRUE;
}
/*
* @implemented
*/
BOOL
APIENTRY
NtUserGetClipCursor(
RECTL *lpRect)
{
/* FIXME: Check if process has WINSTA_READATTRIBUTES */
PSYSTEM_CURSORINFO CurInfo;
RECTL Rect;
NTSTATUS Status;
DECLARE_RETURN(BOOL);
TRACE("Enter NtUserGetClipCursor\n");
UserEnterExclusive();
if (!lpRect)
RETURN(FALSE);
CurInfo = IntGetSysCursorInfo();
if (CurInfo->bClipped)
{
Rect = CurInfo->rcClip;
}
else
{
Rect.left = 0;
Rect.top = 0;
Rect.right = UserGetSystemMetrics(SM_CXSCREEN);
Rect.bottom = UserGetSystemMetrics(SM_CYSCREEN);
}
Status = MmCopyToCaller(lpRect, &Rect, sizeof(RECT));
if (!NT_SUCCESS(Status))
{
SetLastNtError(Status);
RETURN(FALSE);
}
RETURN(TRUE);
CLEANUP:
TRACE("Leave NtUserGetClipCursor, ret=%i\n",_ret_);
UserLeave();
END_CLEANUP;
}
BOOL UserSetCursorPos( INT x, INT y, DWORD flags, ULONG_PTR dwExtraInfo, BOOL Hook)
{
PWND DesktopWindow;
PSYSTEM_CURSORINFO CurInfo;
MSG Msg;
RECTL rcClip;
POINT pt;
if(!(DesktopWindow = UserGetDesktopWindow()))
{
return FALSE;
}
CurInfo = IntGetSysCursorInfo();
/* Clip cursor position */
if (!CurInfo->bClipped)
rcClip = DesktopWindow->rcClient;
else
rcClip = CurInfo->rcClip;
if(x >= rcClip.right) x = rcClip.right - 1;
if(x < rcClip.left) x = rcClip.left;
if(y >= rcClip.bottom) y = rcClip.bottom - 1;
if(y < rcClip.top) y = rcClip.top;
pt.x = x;
pt.y = y;
/* 1. Generate a mouse move message, this sets the htEx and Track Window too. */
Msg.message = WM_MOUSEMOVE;
Msg.wParam = UserGetMouseButtonsState();
Msg.lParam = MAKELPARAM(x, y);
Msg.pt = pt;
co_MsqInsertMouseMessage(&Msg, flags, dwExtraInfo, Hook);
/* 2. Store the new cursor position */
gpsi->ptCursor = pt;
return TRUE;
}