mirror of
https://github.com/reactos/reactos.git
synced 2024-12-28 10:04:49 +00:00
462b1b7444
Upon mouse message generation, The states of Shift key and/or Ctrl key must be used. If Shift key is pressed, it enables MK_SHIFT flag of the mouse message. If Ctrl key is pressed, it enables MK_CONTROL flag of the mouse message. CORE-16279
643 lines
19 KiB
C
643 lines
19 KiB
C
/*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS kernel
|
|
* PURPOSE: Mouse functions
|
|
* FILE: win32ss/user/ntuser/mouse.c
|
|
* PROGRAMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
|
|
* Rafal Harabien (rafalh@reactos.org)
|
|
*/
|
|
|
|
#include <win32k.h>
|
|
DBG_DEFAULT_CHANNEL(UserInput);
|
|
|
|
MOUSEMOVEPOINT gMouseHistoryOfMoves[64];
|
|
INT gcMouseHistoryOfMoves = 0;
|
|
|
|
/*
|
|
* 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;
|
|
}
|
|
|
|
/*
|
|
* UserProcessMouseInput
|
|
*
|
|
* Process raw mouse input data
|
|
*/
|
|
VOID NTAPI
|
|
UserProcessMouseInput(PMOUSE_INPUT_DATA mid)
|
|
{
|
|
MOUSEINPUT mi;
|
|
|
|
/* Convert MOUSE_INPUT_DATA to MOUSEINPUT. First init all fields. */
|
|
mi.dx = mid->LastX;
|
|
mi.dy = mid->LastY;
|
|
mi.mouseData = 0;
|
|
mi.dwFlags = 0;
|
|
mi.time = 0;
|
|
mi.dwExtraInfo = mid->ExtraInformation;
|
|
|
|
/* Mouse position */
|
|
if (mi.dx != 0 || mi.dy != 0)
|
|
mi.dwFlags |= MOUSEEVENTF_MOVE;
|
|
|
|
/* Flags for absolute move */
|
|
if (mid->Flags & MOUSE_MOVE_ABSOLUTE)
|
|
mi.dwFlags |= MOUSEEVENTF_ABSOLUTE;
|
|
if (mid->Flags & MOUSE_VIRTUAL_DESKTOP)
|
|
mi.dwFlags |= MOUSEEVENTF_VIRTUALDESK;
|
|
|
|
/* Left button */
|
|
if (mid->ButtonFlags & MOUSE_LEFT_BUTTON_DOWN)
|
|
mi.dwFlags |= MOUSEEVENTF_LEFTDOWN;
|
|
if (mid->ButtonFlags & MOUSE_LEFT_BUTTON_UP)
|
|
mi.dwFlags |= MOUSEEVENTF_LEFTUP;
|
|
|
|
/* Middle button */
|
|
if (mid->ButtonFlags & MOUSE_MIDDLE_BUTTON_DOWN)
|
|
mi.dwFlags |= MOUSEEVENTF_MIDDLEDOWN;
|
|
if (mid->ButtonFlags & MOUSE_MIDDLE_BUTTON_UP)
|
|
mi.dwFlags |= MOUSEEVENTF_MIDDLEUP;
|
|
|
|
/* Right button */
|
|
if (mid->ButtonFlags & MOUSE_RIGHT_BUTTON_DOWN)
|
|
mi.dwFlags |= MOUSEEVENTF_RIGHTDOWN;
|
|
if (mid->ButtonFlags & MOUSE_RIGHT_BUTTON_UP)
|
|
mi.dwFlags |= MOUSEEVENTF_RIGHTUP;
|
|
|
|
/* Note: Next buttons use mouseData field so they cannot be sent in one call */
|
|
|
|
/* Button 4 */
|
|
if (mid->ButtonFlags & MOUSE_BUTTON_4_DOWN)
|
|
{
|
|
mi.dwFlags |= MOUSEEVENTF_XDOWN;
|
|
mi.mouseData |= XBUTTON1;
|
|
}
|
|
if (mid->ButtonFlags & MOUSE_BUTTON_4_UP)
|
|
{
|
|
mi.dwFlags |= MOUSEEVENTF_XUP;
|
|
mi.mouseData |= XBUTTON1;
|
|
}
|
|
|
|
/* If mouseData is used by button 4, send input and clear mi */
|
|
if (mi.dwFlags & (MOUSE_BUTTON_4_DOWN | MOUSE_BUTTON_4_UP))
|
|
{
|
|
UserSendMouseInput(&mi, FALSE);
|
|
RtlZeroMemory(&mi, sizeof(mi));
|
|
}
|
|
|
|
/* Button 5 */
|
|
if (mid->ButtonFlags & MOUSE_BUTTON_5_DOWN)
|
|
{
|
|
mi.mouseData |= XBUTTON2;
|
|
mi.dwFlags |= MOUSEEVENTF_XDOWN;
|
|
}
|
|
if (mid->ButtonFlags & MOUSE_BUTTON_5_UP)
|
|
{
|
|
mi.mouseData |= XBUTTON2;
|
|
mi.dwFlags |= MOUSEEVENTF_XUP;
|
|
}
|
|
|
|
/* If mouseData is used by button 5, send input and clear mi */
|
|
if (mi.dwFlags & (MOUSE_BUTTON_5_DOWN | MOUSE_BUTTON_5_UP))
|
|
{
|
|
UserSendMouseInput(&mi, FALSE);
|
|
RtlZeroMemory(&mi, sizeof(mi));
|
|
}
|
|
|
|
/* Mouse wheel */
|
|
if (mid->ButtonFlags & MOUSE_WHEEL)
|
|
{
|
|
mi.mouseData = mid->ButtonData;
|
|
mi.dwFlags |= MOUSEEVENTF_WHEEL;
|
|
}
|
|
|
|
/* If something has changed, send input to user */
|
|
if (mi.dwFlags)
|
|
UserSendMouseInput(&mi, FALSE);
|
|
}
|
|
|
|
/*
|
|
* IntFixMouseInputButtons
|
|
*
|
|
* Helper function for supporting mouse button swap function
|
|
*/
|
|
DWORD
|
|
IntFixMouseInputButtons(DWORD dwFlags)
|
|
{
|
|
DWORD dwNewFlags;
|
|
|
|
if (!gspv.bMouseBtnSwap)
|
|
return dwFlags;
|
|
|
|
/* Buttons other than left and right are not affected */
|
|
dwNewFlags = dwFlags & ~(MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP |
|
|
MOUSEEVENTF_RIGHTDOWN | MOUSEEVENTF_RIGHTUP);
|
|
|
|
/* Swap buttons */
|
|
if (dwFlags & MOUSEEVENTF_LEFTDOWN)
|
|
dwNewFlags |= MOUSEEVENTF_RIGHTDOWN;
|
|
if (dwFlags & MOUSEEVENTF_LEFTUP)
|
|
dwNewFlags |= MOUSEEVENTF_RIGHTUP;
|
|
if (dwFlags & MOUSEEVENTF_RIGHTDOWN)
|
|
dwNewFlags |= MOUSEEVENTF_LEFTDOWN;
|
|
if (dwFlags & MOUSEEVENTF_RIGHTUP)
|
|
dwNewFlags |= MOUSEEVENTF_LEFTUP;
|
|
|
|
return dwNewFlags;
|
|
}
|
|
|
|
/*
|
|
* 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
|
|
{
|
|
/* Absolute move in primary monitor units */
|
|
ptCursor.x = pmi->dx * UserGetSystemMetrics(SM_CXSCREEN) >> 16;
|
|
ptCursor.y = pmi->dy * UserGetSystemMetrics(SM_CYSCREEN) >> 16;
|
|
}
|
|
}
|
|
|
|
/* Init message fields */
|
|
Msg.wParam = UserGetMouseButtonsState();
|
|
Msg.lParam = MAKELPARAM(ptCursor.x, ptCursor.y);
|
|
Msg.pt = ptCursor;
|
|
Msg.time = pmi->time;
|
|
if (!Msg.time)
|
|
{
|
|
Msg.time = EngGetTickCount32();
|
|
}
|
|
|
|
/* Do GetMouseMovePointsEx FIFO. */
|
|
gMouseHistoryOfMoves[gcMouseHistoryOfMoves].x = ptCursor.x;
|
|
gMouseHistoryOfMoves[gcMouseHistoryOfMoves].y = ptCursor.y;
|
|
gMouseHistoryOfMoves[gcMouseHistoryOfMoves].time = Msg.time;
|
|
gMouseHistoryOfMoves[gcMouseHistoryOfMoves].dwExtraInfo = pmi->dwExtraInfo;
|
|
if (++gcMouseHistoryOfMoves == ARRAYSIZE(gMouseHistoryOfMoves))
|
|
gcMouseHistoryOfMoves = 0; // 0 - 63 is 64, FIFO forwards.
|
|
|
|
/* Update cursor position */
|
|
if (dwFlags & MOUSEEVENTF_MOVE)
|
|
{
|
|
UserSetCursorPos(ptCursor.x, ptCursor.y, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
|
|
if (IS_KEY_DOWN(gafAsyncKeyState, VK_SHIFT))
|
|
pCurInfo->ButtonsDown |= MK_SHIFT;
|
|
else
|
|
pCurInfo->ButtonsDown &= ~MK_SHIFT;
|
|
|
|
if (IS_KEY_DOWN(gafAsyncKeyState, VK_CONTROL))
|
|
pCurInfo->ButtonsDown |= MK_CONTROL;
|
|
else
|
|
pCurInfo->ButtonsDown &= ~MK_CONTROL;
|
|
|
|
/* Left button */
|
|
if (dwFlags & MOUSEEVENTF_LEFTDOWN)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_LBUTTON, TRUE);
|
|
Msg.message = WM_LBUTTONDOWN;
|
|
pCurInfo->ButtonsDown |= MK_LBUTTON;
|
|
Msg.wParam |= MK_LBUTTON;
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
else if (dwFlags & MOUSEEVENTF_LEFTUP)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_LBUTTON, FALSE);
|
|
Msg.message = WM_LBUTTONUP;
|
|
pCurInfo->ButtonsDown &= ~MK_LBUTTON;
|
|
Msg.wParam &= ~MK_LBUTTON;
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
|
|
/* Middle button */
|
|
if (dwFlags & MOUSEEVENTF_MIDDLEDOWN)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_MBUTTON, TRUE);
|
|
Msg.message = WM_MBUTTONDOWN;
|
|
pCurInfo->ButtonsDown |= MK_MBUTTON;
|
|
Msg.wParam |= MK_MBUTTON;
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
else if (dwFlags & MOUSEEVENTF_MIDDLEUP)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_MBUTTON, FALSE);
|
|
Msg.message = WM_MBUTTONUP;
|
|
pCurInfo->ButtonsDown &= ~MK_MBUTTON;
|
|
Msg.wParam &= ~MK_MBUTTON;
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
|
|
/* Right button */
|
|
if (dwFlags & MOUSEEVENTF_RIGHTDOWN)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_RBUTTON, TRUE);
|
|
Msg.message = WM_RBUTTONDOWN;
|
|
pCurInfo->ButtonsDown |= MK_RBUTTON;
|
|
Msg.wParam |= MK_RBUTTON;
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
else if (dwFlags & MOUSEEVENTF_RIGHTUP)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_RBUTTON, FALSE);
|
|
Msg.message = WM_RBUTTONUP;
|
|
pCurInfo->ButtonsDown &= ~MK_RBUTTON;
|
|
Msg.wParam &= ~MK_RBUTTON;
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
|
|
if((dwFlags & (MOUSEEVENTF_XDOWN | MOUSEEVENTF_XUP)) &&
|
|
(dwFlags & MOUSEEVENTF_WHEEL))
|
|
{
|
|
/* Fail because both types of events use the mouseData field */
|
|
WARN("Invalid flags!\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* X-Button (4 or 5) */
|
|
if (dwFlags & MOUSEEVENTF_XDOWN)
|
|
{
|
|
Msg.message = WM_XBUTTONDOWN;
|
|
if (pmi->mouseData & XBUTTON1)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_XBUTTON1, TRUE);
|
|
pCurInfo->ButtonsDown |= MK_XBUTTON1;
|
|
Msg.wParam |= MAKEWPARAM(MK_XBUTTON1, XBUTTON1);
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
if (pmi->mouseData & XBUTTON2)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_XBUTTON2, TRUE);
|
|
pCurInfo->ButtonsDown |= MK_XBUTTON2;
|
|
Msg.wParam |= MAKEWPARAM(MK_XBUTTON2, XBUTTON2);
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
}
|
|
else if (dwFlags & MOUSEEVENTF_XUP)
|
|
{
|
|
Msg.message = WM_XBUTTONUP;
|
|
if(pmi->mouseData & XBUTTON1)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_XBUTTON1, FALSE);
|
|
pCurInfo->ButtonsDown &= ~MK_XBUTTON1;
|
|
Msg.wParam &= ~MK_XBUTTON1;
|
|
Msg.wParam |= MAKEWPARAM(0, XBUTTON2);
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
if (pmi->mouseData & XBUTTON2)
|
|
{
|
|
SET_KEY_DOWN(gafAsyncKeyState, VK_XBUTTON2, FALSE);
|
|
pCurInfo->ButtonsDown &= ~MK_XBUTTON2;
|
|
Msg.wParam &= ~MK_XBUTTON2;
|
|
Msg.wParam |= MAKEWPARAM(0, XBUTTON2);
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
}
|
|
|
|
/* Mouse wheel */
|
|
if (dwFlags & MOUSEEVENTF_WHEEL)
|
|
{
|
|
Msg.message = WM_MOUSEWHEEL;
|
|
Msg.wParam = MAKEWPARAM(pCurInfo->ButtonsDown, pmi->mouseData);
|
|
co_MsqInsertMouseMessage(&Msg, bInjected, pmi->dwExtraInfo, TRUE);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
VOID
|
|
FASTCALL
|
|
IntRemoveTrackMouseEvent(
|
|
PDESKTOP pDesk)
|
|
{
|
|
/* Generate a leave message */
|
|
if (pDesk->dwDTFlags & DF_TME_LEAVE)
|
|
{
|
|
UINT uMsg = (pDesk->htEx != HTCLIENT) ? WM_NCMOUSELEAVE : WM_MOUSELEAVE;
|
|
UserPostMessage(UserHMGetHandle(pDesk->spwndTrack), uMsg, 0, 0);
|
|
}
|
|
/* Kill the timer */
|
|
if (pDesk->dwDTFlags & DF_TME_HOVER)
|
|
IntKillTimer(pDesk->spwndTrack, ID_EVENT_SYSTIMER_MOUSEHOVER, TRUE);
|
|
|
|
/* Reset state */
|
|
pDesk->dwDTFlags &= ~(DF_TME_LEAVE|DF_TME_HOVER);
|
|
pDesk->spwndTrack = NULL;
|
|
}
|
|
|
|
BOOL
|
|
FASTCALL
|
|
IntQueryTrackMouseEvent(
|
|
LPTRACKMOUSEEVENT lpEventTrack)
|
|
{
|
|
PDESKTOP pDesk;
|
|
PTHREADINFO pti;
|
|
|
|
pti = PsGetCurrentThreadWin32Thread();
|
|
pDesk = pti->rpdesk;
|
|
|
|
/* Always cleared with size set and return true. */
|
|
RtlZeroMemory(lpEventTrack , sizeof(TRACKMOUSEEVENT));
|
|
lpEventTrack->cbSize = sizeof(TRACKMOUSEEVENT);
|
|
|
|
if (pDesk->dwDTFlags & (DF_TME_LEAVE | DF_TME_HOVER) &&
|
|
pDesk->spwndTrack &&
|
|
pti->MessageQueue == pDesk->spwndTrack->head.pti->MessageQueue)
|
|
{
|
|
if (pDesk->htEx != HTCLIENT)
|
|
lpEventTrack->dwFlags |= TME_NONCLIENT;
|
|
|
|
if (pDesk->dwDTFlags & DF_TME_LEAVE)
|
|
lpEventTrack->dwFlags |= TME_LEAVE;
|
|
|
|
if (pDesk->dwDTFlags & DF_TME_HOVER)
|
|
{
|
|
lpEventTrack->dwFlags |= TME_HOVER;
|
|
lpEventTrack->dwHoverTime = pDesk->dwMouseHoverTime;
|
|
}
|
|
lpEventTrack->hwndTrack = UserHMGetHandle(pDesk->spwndTrack);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL
|
|
FASTCALL
|
|
IntTrackMouseEvent(
|
|
LPTRACKMOUSEEVENT lpEventTrack)
|
|
{
|
|
PDESKTOP pDesk;
|
|
PTHREADINFO pti;
|
|
PWND pWnd;
|
|
POINT point;
|
|
|
|
pti = PsGetCurrentThreadWin32Thread();
|
|
pDesk = pti->rpdesk;
|
|
|
|
if (!(pWnd = UserGetWindowObject(lpEventTrack->hwndTrack)))
|
|
return FALSE;
|
|
|
|
if ( pDesk->spwndTrack != pWnd ||
|
|
(pDesk->htEx != HTCLIENT) ^ !!(lpEventTrack->dwFlags & TME_NONCLIENT) )
|
|
{
|
|
if ( lpEventTrack->dwFlags & TME_LEAVE && !(lpEventTrack->dwFlags & TME_CANCEL) )
|
|
{
|
|
UserPostMessage( lpEventTrack->hwndTrack,
|
|
lpEventTrack->dwFlags & TME_NONCLIENT ? WM_NCMOUSELEAVE : WM_MOUSELEAVE,
|
|
0, 0);
|
|
}
|
|
TRACE("IntTrackMouseEvent spwndTrack %p pwnd %p\n", pDesk->spwndTrack, pWnd);
|
|
return TRUE;
|
|
}
|
|
|
|
/* Tracking spwndTrack same as pWnd */
|
|
if (lpEventTrack->dwFlags & TME_CANCEL) // Canceled mode.
|
|
{
|
|
if (lpEventTrack->dwFlags & TME_LEAVE)
|
|
pDesk->dwDTFlags &= ~DF_TME_LEAVE;
|
|
|
|
if (lpEventTrack->dwFlags & TME_HOVER)
|
|
{
|
|
if (pDesk->dwDTFlags & DF_TME_HOVER)
|
|
{ // Kill hover timer.
|
|
IntKillTimer(pWnd, ID_EVENT_SYSTIMER_MOUSEHOVER, TRUE);
|
|
pDesk->dwDTFlags &= ~DF_TME_HOVER;
|
|
}
|
|
}
|
|
}
|
|
else // Not Canceled.
|
|
{
|
|
if (lpEventTrack->dwFlags & TME_LEAVE)
|
|
pDesk->dwDTFlags |= DF_TME_LEAVE;
|
|
|
|
if (lpEventTrack->dwFlags & TME_HOVER)
|
|
{
|
|
pDesk->dwDTFlags |= DF_TME_HOVER;
|
|
|
|
if (!lpEventTrack->dwHoverTime || lpEventTrack->dwHoverTime == HOVER_DEFAULT)
|
|
pDesk->dwMouseHoverTime = gspv.iMouseHoverTime; // use the system default hover time-out.
|
|
else
|
|
pDesk->dwMouseHoverTime = lpEventTrack->dwHoverTime;
|
|
// Start timer for the hover period.
|
|
IntSetTimer(pWnd, ID_EVENT_SYSTIMER_MOUSEHOVER, pDesk->dwMouseHoverTime, SystemTimerProc, TMRF_SYSTEM);
|
|
// Get windows thread message points.
|
|
point = pWnd->head.pti->ptLast;
|
|
// Set desktop mouse hover from the system default hover rectangle.
|
|
RECTL_vSetRect(&pDesk->rcMouseHover,
|
|
point.x - gspv.iMouseHoverWidth / 2,
|
|
point.y - gspv.iMouseHoverHeight / 2,
|
|
point.x + gspv.iMouseHoverWidth / 2,
|
|
point.y + gspv.iMouseHoverHeight / 2);
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtUserTrackMouseEvent(
|
|
LPTRACKMOUSEEVENT lpEventTrack)
|
|
{
|
|
TRACKMOUSEEVENT SafeTME;
|
|
BOOL bRet = FALSE;
|
|
|
|
TRACE("Enter NtUserTrackMouseEvent\n");
|
|
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForRead(lpEventTrack, sizeof(TRACKMOUSEEVENT), 1);
|
|
RtlCopyMemory(&SafeTME, lpEventTrack, sizeof(TRACKMOUSEEVENT));
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
SetLastNtError(_SEH2_GetExceptionCode());
|
|
_SEH2_YIELD(return FALSE);
|
|
}
|
|
_SEH2_END;
|
|
|
|
if (SafeTME.cbSize != sizeof(TRACKMOUSEEVENT))
|
|
{
|
|
EngSetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
if (SafeTME.dwFlags & ~(TME_CANCEL | TME_QUERY | TME_NONCLIENT | TME_LEAVE | TME_HOVER) )
|
|
{
|
|
EngSetLastError(ERROR_INVALID_FLAGS);
|
|
return FALSE;
|
|
}
|
|
|
|
UserEnterExclusive();
|
|
|
|
if (SafeTME.dwFlags & TME_QUERY)
|
|
{
|
|
bRet = IntQueryTrackMouseEvent(&SafeTME);
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForWrite(lpEventTrack, sizeof(TRACKMOUSEEVENT), 1);
|
|
RtlCopyMemory(lpEventTrack, &SafeTME, sizeof(TRACKMOUSEEVENT));
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
SetLastNtError(_SEH2_GetExceptionCode());
|
|
bRet = FALSE;
|
|
}
|
|
_SEH2_END;
|
|
}
|
|
else
|
|
{
|
|
bRet = IntTrackMouseEvent(&SafeTME);
|
|
}
|
|
|
|
TRACE("Leave NtUserTrackMouseEvent, ret=%i\n", bRet);
|
|
UserLeave();
|
|
return bRet;
|
|
}
|
|
|
|
DWORD
|
|
APIENTRY
|
|
NtUserGetMouseMovePointsEx(
|
|
UINT cbSize,
|
|
LPMOUSEMOVEPOINT lpptIn,
|
|
LPMOUSEMOVEPOINT lpptOut,
|
|
int nBufPoints,
|
|
DWORD resolution)
|
|
{
|
|
MOUSEMOVEPOINT Safeppt;
|
|
//BOOL Hit;
|
|
INT iRet = -1;
|
|
|
|
TRACE("Enter NtUserGetMouseMovePointsEx\n");
|
|
|
|
if ((cbSize != sizeof(MOUSEMOVEPOINT)) || (nBufPoints < 0) || (nBufPoints > 64))
|
|
{
|
|
EngSetLastError(ERROR_INVALID_PARAMETER);
|
|
return (DWORD)-1;
|
|
}
|
|
|
|
if (!lpptIn || (!lpptOut && nBufPoints))
|
|
{
|
|
EngSetLastError(ERROR_NOACCESS);
|
|
return (DWORD)-1;
|
|
}
|
|
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForRead(lpptIn, cbSize, 1);
|
|
RtlCopyMemory(&Safeppt, lpptIn, cbSize);
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
SetLastNtError(_SEH2_GetExceptionCode());
|
|
_SEH2_YIELD(return (DWORD)-1);
|
|
}
|
|
_SEH2_END;
|
|
|
|
UserEnterShared();
|
|
|
|
// http://msdn.microsoft.com/en-us/library/ms646259(v=vs.85).aspx
|
|
// This explains the math issues in transforming points.
|
|
iRet = gcMouseHistoryOfMoves; // FIFO is forward so retrieve backward.
|
|
//Hit = FALSE;
|
|
do
|
|
{
|
|
if (Safeppt.x == 0 && Safeppt.y == 0)
|
|
break; // No test.
|
|
// Finds the point, it returns the last nBufPoints prior to and including the supplied point.
|
|
if (gMouseHistoryOfMoves[iRet].x == Safeppt.x && gMouseHistoryOfMoves[iRet].y == Safeppt.y)
|
|
{
|
|
if (Safeppt.time) // Now test time and it seems to be absolute.
|
|
{
|
|
if (Safeppt.time == gMouseHistoryOfMoves[iRet].time)
|
|
{
|
|
//Hit = TRUE;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (--iRet < 0) iRet = 63;
|
|
continue;
|
|
}
|
|
}
|
|
//Hit = TRUE;
|
|
break;
|
|
}
|
|
if (--iRet < 0) iRet = 63;
|
|
}
|
|
while (iRet != gcMouseHistoryOfMoves);
|
|
|
|
switch(resolution)
|
|
{
|
|
case GMMP_USE_DISPLAY_POINTS:
|
|
if (nBufPoints)
|
|
{
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForWrite(lpptOut, cbSize, 1);
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
SetLastNtError(_SEH2_GetExceptionCode());
|
|
iRet = -1;
|
|
_SEH2_YIELD(goto cleanup);
|
|
}
|
|
_SEH2_END;
|
|
}
|
|
iRet = nBufPoints;
|
|
break;
|
|
case GMMP_USE_HIGH_RESOLUTION_POINTS:
|
|
break;
|
|
default:
|
|
EngSetLastError(ERROR_POINT_NOT_FOUND);
|
|
iRet = -1;
|
|
}
|
|
|
|
cleanup:
|
|
TRACE("Leave NtUserGetMouseMovePointsEx, ret=%i\n", iRet);
|
|
UserLeave();
|
|
return (DWORD)iRet;
|
|
}
|