2012-05-02 19:29:33 +00:00
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/*
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2003-10-15 20:48:19 +00:00
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* COPYRIGHT: See COPYING in the top level directory
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2011-12-14 04:07:06 +00:00
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* PROJECT: ReactOS Win32k subsystem
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2003-10-15 20:48:19 +00:00
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* PURPOSE: Caret functions
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2011-12-14 04:07:06 +00:00
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* FILE: subsystems/win32/win32k/ntuser/caret.c
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2003-10-15 20:48:19 +00:00
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* PROGRAMER: Thomas Weidenmueller (w3seek@users.sourceforge.net)
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*/
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2010-04-26 13:58:46 +00:00
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#include <win32k.h>
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2011-08-21 12:38:52 +00:00
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DBG_DEFAULT_CHANNEL(UserCaret);
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2003-10-15 20:48:19 +00:00
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2005-09-24 02:50:02 +00:00
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/* DEFINES *****************************************************************/
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2003-11-22 11:49:09 +00:00
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#define MIN_CARETBLINKRATE 100
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#define MAX_CARETBLINKRATE 10000
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2005-09-24 02:50:02 +00:00
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/* FUNCTIONS *****************************************************************/
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static
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2003-10-17 20:31:56 +00:00
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BOOL FASTCALL
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2005-09-05 21:19:23 +00:00
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co_IntHideCaret(PTHRDCARETINFO CaretInfo)
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2003-10-17 20:31:56 +00:00
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{
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2010-10-23 05:36:12 +00:00
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PWND pWnd;
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2005-09-07 21:25:42 +00:00
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if(CaretInfo->hWnd && CaretInfo->Visible && CaretInfo->Showing)
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{
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2010-10-23 05:36:12 +00:00
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pWnd = UserGetWindowObject(CaretInfo->hWnd);
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2005-09-07 21:25:42 +00:00
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co_IntSendMessage(CaretInfo->hWnd, WM_SYSTIMER, IDCARETTIMER, 0);
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CaretInfo->Showing = 0;
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2010-10-23 05:36:12 +00:00
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IntNotifyWinEvent(EVENT_OBJECT_HIDE, pWnd, OBJID_CARET, CHILDID_SELF, 0);
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2005-09-07 21:25:42 +00:00
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return TRUE;
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}
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return FALSE;
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2003-10-17 20:31:56 +00:00
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}
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2003-10-16 22:07:37 +00:00
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BOOL FASTCALL
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2008-10-16 17:52:38 +00:00
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co_IntDestroyCaret(PTHREADINFO Win32Thread)
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2003-10-16 22:07:37 +00:00
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{
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2005-09-07 21:25:42 +00:00
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PUSER_MESSAGE_QUEUE ThreadQueue;
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2010-10-23 05:36:12 +00:00
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PWND pWnd;
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2005-09-07 21:25:42 +00:00
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ThreadQueue = (PUSER_MESSAGE_QUEUE)Win32Thread->MessageQueue;
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if(!ThreadQueue || !ThreadQueue->CaretInfo)
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return FALSE;
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2012-08-21 23:25:42 +00:00
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pWnd = ValidateHwndNoErr(ThreadQueue->CaretInfo->hWnd);
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2005-09-07 21:25:42 +00:00
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co_IntHideCaret(ThreadQueue->CaretInfo);
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ThreadQueue->CaretInfo->Bitmap = (HBITMAP)0;
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ThreadQueue->CaretInfo->hWnd = (HWND)0;
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ThreadQueue->CaretInfo->Size.cx = ThreadQueue->CaretInfo->Size.cy = 0;
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ThreadQueue->CaretInfo->Showing = 0;
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ThreadQueue->CaretInfo->Visible = 0;
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2012-08-21 23:25:42 +00:00
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if (pWnd)
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2012-08-18 21:40:49 +00:00
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{
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IntNotifyWinEvent(EVENT_OBJECT_DESTROY, pWnd, OBJID_CARET, CHILDID_SELF, 0);
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}
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2005-09-07 21:25:42 +00:00
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return TRUE;
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2003-10-16 22:07:37 +00:00
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}
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BOOL FASTCALL
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IntSetCaretBlinkTime(UINT uMSeconds)
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{
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2005-09-07 21:25:42 +00:00
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/* Don't save the new value to the registry! */
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2005-05-08 02:11:54 +00:00
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2011-12-14 04:07:06 +00:00
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/* Windows doesn't do this check */
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2005-09-07 21:25:42 +00:00
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if((uMSeconds < MIN_CARETBLINKRATE) || (uMSeconds > MAX_CARETBLINKRATE))
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{
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2010-12-25 11:01:14 +00:00
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EngSetLastError(ERROR_INVALID_PARAMETER);
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2005-09-07 21:25:42 +00:00
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return FALSE;
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}
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2005-05-08 02:11:54 +00:00
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2010-06-29 22:13:13 +00:00
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gpsi->dtCaretBlink = uMSeconds;
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2005-05-08 02:11:54 +00:00
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2005-09-07 21:25:42 +00:00
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return TRUE;
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2003-11-22 11:49:09 +00:00
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}
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2003-10-16 22:07:37 +00:00
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BOOL FASTCALL
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2005-09-05 21:19:23 +00:00
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co_IntSetCaretPos(int X, int Y)
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2003-10-16 22:07:37 +00:00
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{
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2008-10-16 17:52:38 +00:00
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PTHREADINFO pti;
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2010-10-23 05:36:12 +00:00
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PWND pWnd;
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2005-09-07 21:25:42 +00:00
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PUSER_MESSAGE_QUEUE ThreadQueue;
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2008-10-16 17:52:38 +00:00
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pti = PsGetCurrentThreadWin32Thread();
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ThreadQueue = pti->MessageQueue;
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2005-05-08 02:11:54 +00:00
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2005-09-07 21:25:42 +00:00
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if(ThreadQueue->CaretInfo->hWnd)
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{
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2010-10-23 05:36:12 +00:00
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pWnd = UserGetWindowObject(ThreadQueue->CaretInfo->hWnd);
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2005-09-07 21:25:42 +00:00
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if(ThreadQueue->CaretInfo->Pos.x != X || ThreadQueue->CaretInfo->Pos.y != Y)
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{
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co_IntHideCaret(ThreadQueue->CaretInfo);
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ThreadQueue->CaretInfo->Showing = 0;
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ThreadQueue->CaretInfo->Pos.x = X;
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ThreadQueue->CaretInfo->Pos.y = Y;
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co_IntSendMessage(ThreadQueue->CaretInfo->hWnd, WM_SYSTIMER, IDCARETTIMER, 0);
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2012-08-18 21:40:49 +00:00
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IntSetTimer(pWnd, IDCARETTIMER, gpsi->dtCaretBlink, NULL, TMRF_SYSTEM);
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2010-10-23 05:36:12 +00:00
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IntNotifyWinEvent(EVENT_OBJECT_LOCATIONCHANGE, pWnd, OBJID_CARET, CHILDID_SELF, 0);
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2005-09-07 21:25:42 +00:00
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}
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return TRUE;
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}
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2003-10-16 22:07:37 +00:00
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2005-09-07 21:25:42 +00:00
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return FALSE;
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2003-10-16 22:07:37 +00:00
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}
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BOOL FASTCALL
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2003-10-17 20:31:56 +00:00
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IntSwitchCaretShowing(PVOID Info)
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2003-10-16 22:07:37 +00:00
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{
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2008-10-16 17:52:38 +00:00
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PTHREADINFO pti;
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2005-09-07 21:25:42 +00:00
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PUSER_MESSAGE_QUEUE ThreadQueue;
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2008-10-16 17:52:38 +00:00
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pti = PsGetCurrentThreadWin32Thread();
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ThreadQueue = pti->MessageQueue;
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2005-05-08 02:11:54 +00:00
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2005-09-07 21:25:42 +00:00
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if(ThreadQueue->CaretInfo->hWnd)
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{
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ThreadQueue->CaretInfo->Showing = (ThreadQueue->CaretInfo->Showing ? 0 : 1);
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MmCopyToCaller(Info, ThreadQueue->CaretInfo, sizeof(THRDCARETINFO));
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return TRUE;
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}
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2005-05-08 02:11:54 +00:00
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2005-09-07 21:25:42 +00:00
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return FALSE;
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2003-10-16 22:07:37 +00:00
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}
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2011-12-14 04:07:06 +00:00
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#if 0 // Unused
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2005-09-24 02:50:02 +00:00
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static
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2003-10-17 20:31:56 +00:00
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VOID FASTCALL
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2005-09-05 21:19:23 +00:00
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co_IntDrawCaret(HWND hWnd)
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2003-10-17 20:31:56 +00:00
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{
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2008-10-16 17:52:38 +00:00
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PTHREADINFO pti;
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2005-09-07 21:25:42 +00:00
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PUSER_MESSAGE_QUEUE ThreadQueue;
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2008-10-16 17:52:38 +00:00
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pti = PsGetCurrentThreadWin32Thread();
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ThreadQueue = pti->MessageQueue;
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2005-09-07 21:25:42 +00:00
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if(ThreadQueue->CaretInfo->hWnd && ThreadQueue->CaretInfo->Visible &&
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ThreadQueue->CaretInfo->Showing)
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{
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co_IntSendMessage(ThreadQueue->CaretInfo->hWnd, WM_SYSTIMER, IDCARETTIMER, 0);
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ThreadQueue->CaretInfo->Showing = 1;
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}
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2003-10-17 20:31:56 +00:00
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}
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2005-09-24 02:50:02 +00:00
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#endif
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2010-10-11 03:41:41 +00:00
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BOOL FASTCALL co_UserHideCaret(PWND Window OPTIONAL)
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2005-09-24 02:50:02 +00:00
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{
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2008-10-16 17:52:38 +00:00
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PTHREADINFO pti;
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2005-09-24 02:50:02 +00:00
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PUSER_MESSAGE_QUEUE ThreadQueue;
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if (Window) ASSERT_REFS_CO(Window);
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2010-10-11 03:41:41 +00:00
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if(Window && Window->head.pti->pEThread != PsGetCurrentThread())
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2005-09-24 02:50:02 +00:00
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{
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2010-12-25 11:01:14 +00:00
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EngSetLastError(ERROR_ACCESS_DENIED);
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2005-09-24 02:50:02 +00:00
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return FALSE;
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}
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2008-10-16 17:52:38 +00:00
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pti = PsGetCurrentThreadWin32Thread();
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ThreadQueue = pti->MessageQueue;
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2005-09-24 02:50:02 +00:00
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2010-10-11 03:41:41 +00:00
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if(Window && ThreadQueue->CaretInfo->hWnd != Window->head.h)
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2005-09-24 02:50:02 +00:00
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{
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2010-12-25 11:01:14 +00:00
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EngSetLastError(ERROR_ACCESS_DENIED);
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2005-09-24 02:50:02 +00:00
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return FALSE;
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}
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if(ThreadQueue->CaretInfo->Visible)
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{
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2012-05-02 19:29:33 +00:00
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PWND pwnd = UserGetWindowObject(ThreadQueue->CaretInfo->hWnd);
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IntKillTimer(pwnd, IDCARETTIMER, TRUE);
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2005-09-24 02:50:02 +00:00
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co_IntHideCaret(ThreadQueue->CaretInfo);
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ThreadQueue->CaretInfo->Visible = 0;
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ThreadQueue->CaretInfo->Showing = 0;
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}
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return TRUE;
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}
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2010-10-11 03:41:41 +00:00
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BOOL FASTCALL co_UserShowCaret(PWND Window OPTIONAL)
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2005-09-24 02:50:02 +00:00
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{
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2008-10-16 17:52:38 +00:00
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PTHREADINFO pti;
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2005-09-24 02:50:02 +00:00
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PUSER_MESSAGE_QUEUE ThreadQueue;
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2012-08-18 21:40:49 +00:00
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PWND pWnd = NULL;
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2005-09-24 02:50:02 +00:00
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if (Window) ASSERT_REFS_CO(Window);
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2010-10-11 03:41:41 +00:00
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if(Window && Window->head.pti->pEThread != PsGetCurrentThread())
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2005-09-24 02:50:02 +00:00
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{
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2010-12-25 11:01:14 +00:00
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EngSetLastError(ERROR_ACCESS_DENIED);
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2005-09-24 02:50:02 +00:00
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return FALSE;
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}
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2008-10-16 17:52:38 +00:00
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pti = PsGetCurrentThreadWin32Thread();
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ThreadQueue = pti->MessageQueue;
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2005-09-24 02:50:02 +00:00
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2010-10-11 03:41:41 +00:00
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if(Window && ThreadQueue->CaretInfo->hWnd != Window->head.h)
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2005-09-24 02:50:02 +00:00
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{
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2010-12-25 11:01:14 +00:00
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EngSetLastError(ERROR_ACCESS_DENIED);
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2005-09-24 02:50:02 +00:00
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return FALSE;
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}
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2012-08-20 00:26:08 +00:00
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if (!ThreadQueue->CaretInfo->Visible)
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2005-09-24 02:50:02 +00:00
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{
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ThreadQueue->CaretInfo->Visible = 1;
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2012-08-20 00:26:08 +00:00
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pWnd = ValidateHwndNoErr(ThreadQueue->CaretInfo->hWnd);
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if (!ThreadQueue->CaretInfo->Showing && pWnd)
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2005-09-24 02:50:02 +00:00
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{
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co_IntSendMessage(ThreadQueue->CaretInfo->hWnd, WM_SYSTIMER, IDCARETTIMER, 0);
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2010-10-23 05:36:12 +00:00
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IntNotifyWinEvent(EVENT_OBJECT_SHOW, pWnd, OBJID_CARET, OBJID_CARET, 0);
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2005-09-24 02:50:02 +00:00
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}
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2012-08-18 21:40:49 +00:00
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IntSetTimer(pWnd, IDCARETTIMER, gpsi->dtCaretBlink, NULL, TMRF_SYSTEM);
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2005-09-24 02:50:02 +00:00
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}
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return TRUE;
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}
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2003-10-17 20:31:56 +00:00
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2003-10-16 22:07:37 +00:00
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2005-09-24 02:50:02 +00:00
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/* SYSCALLS *****************************************************************/
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2003-10-16 22:07:37 +00:00
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2003-10-15 20:48:19 +00:00
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BOOL
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2008-11-29 22:48:58 +00:00
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APIENTRY
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2003-10-15 20:48:19 +00:00
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NtUserCreateCaret(
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2005-09-07 21:25:42 +00:00
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HWND hWnd,
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HBITMAP hBitmap,
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int nWidth,
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int nHeight)
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2003-10-15 20:48:19 +00:00
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{
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2010-10-11 03:41:41 +00:00
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PWND Window;
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2008-10-16 17:52:38 +00:00
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PTHREADINFO pti;
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2005-09-07 21:25:42 +00:00
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PUSER_MESSAGE_QUEUE ThreadQueue;
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DECLARE_RETURN(BOOL);
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2011-08-21 12:38:52 +00:00
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TRACE("Enter NtUserCreateCaret\n");
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2005-09-07 21:25:42 +00:00
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UserEnterExclusive();
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2005-09-08 16:18:51 +00:00
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if(!(Window = UserGetWindowObject(hWnd)))
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2005-09-07 21:25:42 +00:00
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{
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RETURN(FALSE);
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}
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2010-10-11 03:41:41 +00:00
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if(Window->head.pti->pEThread != PsGetCurrentThread())
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2005-09-07 21:25:42 +00:00
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{
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2010-12-25 11:01:14 +00:00
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EngSetLastError(ERROR_ACCESS_DENIED);
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2005-09-07 21:25:42 +00:00
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RETURN(FALSE);
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}
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2008-10-16 17:52:38 +00:00
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pti = PsGetCurrentThreadWin32Thread();
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ThreadQueue = pti->MessageQueue;
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2005-09-07 21:25:42 +00:00
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if (ThreadQueue->CaretInfo->Visible)
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{
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2012-08-18 21:40:49 +00:00
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IntKillTimer(Window, IDCARETTIMER, TRUE);
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2005-09-07 21:25:42 +00:00
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co_IntHideCaret(ThreadQueue->CaretInfo);
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}
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ThreadQueue->CaretInfo->hWnd = hWnd;
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if(hBitmap)
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{
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ThreadQueue->CaretInfo->Bitmap = hBitmap;
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ThreadQueue->CaretInfo->Size.cx = ThreadQueue->CaretInfo->Size.cy = 0;
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}
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else
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{
|
2009-07-31 17:11:21 +00:00
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if (nWidth == 0)
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{
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nWidth = UserGetSystemMetrics(SM_CXBORDER);
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}
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if (nHeight == 0)
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{
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nHeight = UserGetSystemMetrics(SM_CYBORDER);
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}
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2005-09-07 21:25:42 +00:00
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ThreadQueue->CaretInfo->Bitmap = (HBITMAP)0;
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ThreadQueue->CaretInfo->Size.cx = nWidth;
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|
|
ThreadQueue->CaretInfo->Size.cy = nHeight;
|
|
|
|
}
|
|
|
|
ThreadQueue->CaretInfo->Visible = 0;
|
|
|
|
ThreadQueue->CaretInfo->Showing = 0;
|
2010-10-23 05:36:12 +00:00
|
|
|
IntNotifyWinEvent(EVENT_OBJECT_CREATE, Window, OBJID_CARET, CHILDID_SELF, 0);
|
2005-09-07 21:25:42 +00:00
|
|
|
RETURN(TRUE);
|
2005-09-05 21:19:23 +00:00
|
|
|
|
|
|
|
CLEANUP:
|
2011-08-21 12:38:52 +00:00
|
|
|
TRACE("Leave NtUserCreateCaret, ret=%i\n",_ret_);
|
2005-09-07 21:25:42 +00:00
|
|
|
UserLeave();
|
|
|
|
END_CLEANUP;
|
2003-10-15 20:48:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
UINT
|
2008-11-29 22:48:58 +00:00
|
|
|
APIENTRY
|
2003-10-15 20:48:19 +00:00
|
|
|
NtUserGetCaretBlinkTime(VOID)
|
|
|
|
{
|
2012-02-05 20:21:22 +00:00
|
|
|
UINT ret;
|
2005-09-05 21:19:23 +00:00
|
|
|
|
2005-09-08 16:18:51 +00:00
|
|
|
UserEnterShared();
|
2005-09-07 21:25:42 +00:00
|
|
|
|
2012-02-05 20:21:22 +00:00
|
|
|
ret = gpsi->dtCaretBlink;
|
2005-09-07 21:25:42 +00:00
|
|
|
|
2005-09-05 21:19:23 +00:00
|
|
|
UserLeave();
|
2012-02-05 20:21:22 +00:00
|
|
|
|
|
|
|
return ret;
|
2003-10-15 20:48:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
BOOL
|
2008-11-29 22:48:58 +00:00
|
|
|
APIENTRY
|
2003-10-15 20:48:19 +00:00
|
|
|
NtUserGetCaretPos(
|
2005-09-07 21:25:42 +00:00
|
|
|
LPPOINT lpPoint)
|
2003-10-15 20:48:19 +00:00
|
|
|
{
|
2008-10-16 17:52:38 +00:00
|
|
|
PTHREADINFO pti;
|
2005-09-07 21:25:42 +00:00
|
|
|
PUSER_MESSAGE_QUEUE ThreadQueue;
|
|
|
|
NTSTATUS Status;
|
|
|
|
DECLARE_RETURN(BOOL);
|
2005-09-05 21:19:23 +00:00
|
|
|
|
2011-08-21 12:38:52 +00:00
|
|
|
TRACE("Enter NtUserGetCaretPos\n");
|
2005-09-07 21:25:42 +00:00
|
|
|
UserEnterShared();
|
|
|
|
|
2008-10-16 17:52:38 +00:00
|
|
|
pti = PsGetCurrentThreadWin32Thread();
|
|
|
|
ThreadQueue = pti->MessageQueue;
|
2005-05-08 02:11:54 +00:00
|
|
|
|
2005-09-07 21:25:42 +00:00
|
|
|
Status = MmCopyToCaller(lpPoint, &(ThreadQueue->CaretInfo->Pos), sizeof(POINT));
|
|
|
|
if(!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
SetLastNtError(Status);
|
|
|
|
RETURN(FALSE);
|
|
|
|
}
|
2005-05-08 02:11:54 +00:00
|
|
|
|
2005-09-07 21:25:42 +00:00
|
|
|
RETURN(TRUE);
|
2005-05-08 02:11:54 +00:00
|
|
|
|
2005-09-05 21:19:23 +00:00
|
|
|
CLEANUP:
|
2011-08-21 12:38:52 +00:00
|
|
|
TRACE("Leave NtUserGetCaretPos, ret=%i\n",_ret_);
|
2005-09-07 21:25:42 +00:00
|
|
|
UserLeave();
|
|
|
|
END_CLEANUP;
|
2003-10-15 20:48:19 +00:00
|
|
|
}
|
|
|
|
|
2005-09-05 21:19:23 +00:00
|
|
|
BOOL
|
2008-11-29 22:48:58 +00:00
|
|
|
APIENTRY
|
2007-07-30 15:08:14 +00:00
|
|
|
NtUserShowCaret(HWND hWnd OPTIONAL)
|
2005-09-05 21:19:23 +00:00
|
|
|
{
|
2010-10-11 03:41:41 +00:00
|
|
|
PWND Window = NULL;
|
2005-10-15 13:22:13 +00:00
|
|
|
USER_REFERENCE_ENTRY Ref;
|
2005-09-07 21:25:42 +00:00
|
|
|
DECLARE_RETURN(BOOL);
|
|
|
|
BOOL ret;
|
|
|
|
|
2011-08-21 12:38:52 +00:00
|
|
|
TRACE("Enter NtUserShowCaret\n");
|
2005-09-07 21:25:42 +00:00
|
|
|
UserEnterExclusive();
|
|
|
|
|
2005-09-09 00:25:52 +00:00
|
|
|
if(hWnd && !(Window = UserGetWindowObject(hWnd)))
|
2005-09-07 21:25:42 +00:00
|
|
|
{
|
|
|
|
RETURN(FALSE);
|
|
|
|
}
|
|
|
|
|
2005-10-15 13:22:13 +00:00
|
|
|
if (Window) UserRefObjectCo(Window, &Ref);
|
2007-07-30 15:08:14 +00:00
|
|
|
|
|
|
|
ret = co_UserShowCaret(Window);
|
|
|
|
|
2005-09-09 00:25:52 +00:00
|
|
|
if (Window) UserDerefObjectCo(Window);
|
2005-09-08 16:18:51 +00:00
|
|
|
|
2005-09-07 21:25:42 +00:00
|
|
|
RETURN(ret);
|
|
|
|
|
2005-09-05 21:19:23 +00:00
|
|
|
CLEANUP:
|
2011-08-21 12:38:52 +00:00
|
|
|
TRACE("Leave NtUserShowCaret, ret=%i\n",_ret_);
|
2005-09-07 21:25:42 +00:00
|
|
|
UserLeave();
|
|
|
|
END_CLEANUP;
|
2003-10-15 20:48:19 +00:00
|
|
|
}
|
2007-07-30 15:08:14 +00:00
|
|
|
|
|
|
|
BOOL
|
2008-11-29 22:48:58 +00:00
|
|
|
APIENTRY
|
2007-07-30 15:08:14 +00:00
|
|
|
NtUserHideCaret(HWND hWnd OPTIONAL)
|
|
|
|
{
|
2010-10-11 03:41:41 +00:00
|
|
|
PWND Window = NULL;
|
2007-07-30 15:08:14 +00:00
|
|
|
USER_REFERENCE_ENTRY Ref;
|
|
|
|
DECLARE_RETURN(BOOL);
|
|
|
|
BOOL ret;
|
|
|
|
|
2011-08-21 12:38:52 +00:00
|
|
|
TRACE("Enter NtUserHideCaret\n");
|
2007-07-30 15:08:14 +00:00
|
|
|
UserEnterExclusive();
|
|
|
|
|
|
|
|
if(hWnd && !(Window = UserGetWindowObject(hWnd)))
|
|
|
|
{
|
|
|
|
RETURN(FALSE);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (Window) UserRefObjectCo(Window, &Ref);
|
|
|
|
|
|
|
|
ret = co_UserHideCaret(Window);
|
|
|
|
|
|
|
|
if (Window) UserDerefObjectCo(Window);
|
|
|
|
|
|
|
|
RETURN(ret);
|
|
|
|
|
|
|
|
CLEANUP:
|
2011-08-21 12:38:52 +00:00
|
|
|
TRACE("Leave NtUserHideCaret, ret=%i\n",_ret_);
|
2007-07-30 15:08:14 +00:00
|
|
|
UserLeave();
|
|
|
|
END_CLEANUP;
|
|
|
|
}
|