* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Win32k subsystem
* PURPOSE: Caret functions
- * FILE: subsystems/win32/win32k/ntuser/caret.c
+ * FILE: win32ss/user/ntuser/caret.c
* PROGRAMER: Thomas Weidenmueller (w3seek@users.sourceforge.net)
*/
/* FUNCTIONS *****************************************************************/
+VOID FASTCALL
+co_IntDrawCaret(PWND pWnd, PTHRDCARETINFO CaretInfo)
+{
+ HDC hdc, hdcMem;
+ HBITMAP hbmOld;
+ BOOL bDone = FALSE;
+
+ if (pWnd == NULL)
+ {
+ TRACE("Null Window!\n");
+ return;
+ }
+
+ hdc = UserGetDCEx(pWnd, 0, DCX_USESTYLE | DCX_WINDOW);
+ if (!hdc)
+ {
+ ERR("GetDC failed\n");
+ return;
+ }
+
+ if (pWnd->hrgnUpdate)
+ {
+ NtGdiSaveDC(hdc);
+ }
+
+ if (CaretInfo->Bitmap)
+ {
+ if (!GreGetBitmapDimension(CaretInfo->Bitmap, &CaretInfo->Size))
+ {
+ ERR("Failed to get bitmap dimensions\n");
+ goto cleanup;
+ }
+
+ hdcMem = NtGdiCreateCompatibleDC(hdc);
+ if (hdcMem)
+ {
+ hbmOld = NtGdiSelectBitmap(hdcMem, CaretInfo->Bitmap);
+ bDone = NtGdiBitBlt(hdc,
+ CaretInfo->Pos.x,
+ CaretInfo->Pos.y,
+ CaretInfo->Size.cx,
+ CaretInfo->Size.cy,
+ hdcMem,
+ 0,
+ 0,
+ SRCINVERT,
+ 0,
+ 0);
+ NtGdiSelectBitmap(hdcMem, hbmOld);
+ GreDeleteObject(hdcMem);
+ }
+ }
+
+ if (!bDone)
+ {
+ NtGdiPatBlt(hdc,
+ CaretInfo->Pos.x,
+ CaretInfo->Pos.y,
+ CaretInfo->Size.cx,
+ CaretInfo->Size.cy,
+ DSTINVERT);
+ }
+
+cleanup:
+ if (pWnd->hrgnUpdate)
+ {
+ NtGdiRestoreDC(hdc, -1);
+ }
+
+ UserReleaseDC(pWnd, hdc, FALSE);
+}
+
+VOID
+CALLBACK
+CaretSystemTimerProc(HWND hwnd,
+ UINT uMsg,
+ UINT_PTR idEvent,
+ DWORD dwTime)
+{
+ PTHREADINFO pti;
+ PUSER_MESSAGE_QUEUE ThreadQueue;
+ PWND pWnd;
+
+ pti = PsGetCurrentThreadWin32Thread();
+ ThreadQueue = pti->MessageQueue;
+
+ if (ThreadQueue->CaretInfo.hWnd != hwnd)
+ {
+ TRACE("Not the same caret window!\n");
+ return;
+ }
+
+ if (hwnd)
+ {
+ pWnd = UserGetWindowObject(hwnd);
+ if (!pWnd)
+ {
+ ERR("Caret System Timer Proc has invalid window handle! %p Id: %u\n", hwnd, idEvent);
+ return;
+ }
+ }
+ else
+ {
+ TRACE( "Windowless Caret Timer Running!\n" );
+ return;
+ }
+
+ switch (idEvent)
+ {
+ case IDCARETTIMER:
+ {
+ ThreadQueue->CaretInfo.Showing = (ThreadQueue->CaretInfo.Showing ? 0 : 1);
+ co_IntDrawCaret(pWnd, &ThreadQueue->CaretInfo);
+ }
+ }
+ return;
+}
+
static
BOOL FASTCALL
co_IntHideCaret(PTHRDCARETINFO CaretInfo)
if(CaretInfo->hWnd && CaretInfo->Visible && CaretInfo->Showing)
{
pWnd = UserGetWindowObject(CaretInfo->hWnd);
- co_IntSendMessage(CaretInfo->hWnd, WM_SYSTIMER, IDCARETTIMER, 0);
CaretInfo->Showing = 0;
+
+ co_IntDrawCaret(pWnd, CaretInfo);
IntNotifyWinEvent(EVENT_OBJECT_HIDE, pWnd, OBJID_CARET, CHILDID_SELF, 0);
return TRUE;
}
{
PUSER_MESSAGE_QUEUE ThreadQueue;
PWND pWnd;
- ThreadQueue = (PUSER_MESSAGE_QUEUE)Win32Thread->MessageQueue;
+ ThreadQueue = Win32Thread->MessageQueue;
- if(!ThreadQueue || !ThreadQueue->CaretInfo)
+ if (!ThreadQueue)
return FALSE;
- pWnd = ValidateHwndNoErr(ThreadQueue->CaretInfo->hWnd);
- co_IntHideCaret(ThreadQueue->CaretInfo);
- ThreadQueue->CaretInfo->Bitmap = (HBITMAP)0;
- ThreadQueue->CaretInfo->hWnd = (HWND)0;
- ThreadQueue->CaretInfo->Size.cx = ThreadQueue->CaretInfo->Size.cy = 0;
- ThreadQueue->CaretInfo->Showing = 0;
- ThreadQueue->CaretInfo->Visible = 0;
+ pWnd = ValidateHwndNoErr(ThreadQueue->CaretInfo.hWnd);
+ co_IntHideCaret(&ThreadQueue->CaretInfo);
+ ThreadQueue->CaretInfo.Bitmap = (HBITMAP)0;
+ ThreadQueue->CaretInfo.hWnd = (HWND)0;
+ ThreadQueue->CaretInfo.Size.cx = ThreadQueue->CaretInfo.Size.cy = 0;
+ ThreadQueue->CaretInfo.Showing = 0;
+ ThreadQueue->CaretInfo.Visible = 0;
if (pWnd)
{
IntNotifyWinEvent(EVENT_OBJECT_DESTROY, pWnd, OBJID_CARET, CHILDID_SELF, 0);
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
- if(ThreadQueue->CaretInfo->hWnd)
+ if(ThreadQueue->CaretInfo.hWnd)
{
- pWnd = UserGetWindowObject(ThreadQueue->CaretInfo->hWnd);
- if(ThreadQueue->CaretInfo->Pos.x != X || ThreadQueue->CaretInfo->Pos.y != Y)
+ pWnd = UserGetWindowObject(ThreadQueue->CaretInfo.hWnd);
+ if(ThreadQueue->CaretInfo.Pos.x != X || ThreadQueue->CaretInfo.Pos.y != Y)
{
- co_IntHideCaret(ThreadQueue->CaretInfo);
- ThreadQueue->CaretInfo->Showing = 0;
- ThreadQueue->CaretInfo->Pos.x = X;
- ThreadQueue->CaretInfo->Pos.y = Y;
- co_IntSendMessage(ThreadQueue->CaretInfo->hWnd, WM_SYSTIMER, IDCARETTIMER, 0);
- IntSetTimer(pWnd, IDCARETTIMER, gpsi->dtCaretBlink, NULL, TMRF_SYSTEM);
+ co_IntHideCaret(&ThreadQueue->CaretInfo);
+ ThreadQueue->CaretInfo.Showing = 1;
+ ThreadQueue->CaretInfo.Pos.x = X;
+ ThreadQueue->CaretInfo.Pos.y = Y;
+ co_IntDrawCaret(pWnd, &ThreadQueue->CaretInfo);
+
+ IntSetTimer(pWnd, IDCARETTIMER, gpsi->dtCaretBlink, CaretSystemTimerProc, TMRF_SYSTEM);
IntNotifyWinEvent(EVENT_OBJECT_LOCATIONCHANGE, pWnd, OBJID_CARET, CHILDID_SELF, 0);
}
return TRUE;
return FALSE;
}
-BOOL FASTCALL
-IntSwitchCaretShowing(PVOID Info)
-{
- PTHREADINFO pti;
- PUSER_MESSAGE_QUEUE ThreadQueue;
-
- pti = PsGetCurrentThreadWin32Thread();
- ThreadQueue = pti->MessageQueue;
-
- if(ThreadQueue->CaretInfo->hWnd)
- {
- ThreadQueue->CaretInfo->Showing = (ThreadQueue->CaretInfo->Showing ? 0 : 1);
- MmCopyToCaller(Info, ThreadQueue->CaretInfo, sizeof(THRDCARETINFO));
- return TRUE;
- }
-
- return FALSE;
-}
-
-#if 0 // Unused
-static
-VOID FASTCALL
-co_IntDrawCaret(HWND hWnd)
-{
- PTHREADINFO pti;
- PUSER_MESSAGE_QUEUE ThreadQueue;
-
- pti = PsGetCurrentThreadWin32Thread();
- ThreadQueue = pti->MessageQueue;
-
- if(ThreadQueue->CaretInfo->hWnd && ThreadQueue->CaretInfo->Visible &&
- ThreadQueue->CaretInfo->Showing)
- {
- co_IntSendMessage(ThreadQueue->CaretInfo->hWnd, WM_SYSTIMER, IDCARETTIMER, 0);
- ThreadQueue->CaretInfo->Showing = 1;
- }
-}
-#endif
-
-
-
BOOL FASTCALL co_UserHideCaret(PWND Window OPTIONAL)
{
PTHREADINFO pti;
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
- if(Window && ThreadQueue->CaretInfo->hWnd != Window->head.h)
+ if(Window && ThreadQueue->CaretInfo.hWnd != Window->head.h)
{
EngSetLastError(ERROR_ACCESS_DENIED);
return FALSE;
}
- if(ThreadQueue->CaretInfo->Visible)
+ if(ThreadQueue->CaretInfo.Visible)
{
- PWND pwnd = UserGetWindowObject(ThreadQueue->CaretInfo->hWnd);
+ PWND pwnd = UserGetWindowObject(ThreadQueue->CaretInfo.hWnd);
IntKillTimer(pwnd, IDCARETTIMER, TRUE);
- co_IntHideCaret(ThreadQueue->CaretInfo);
- ThreadQueue->CaretInfo->Visible = 0;
- ThreadQueue->CaretInfo->Showing = 0;
+ co_IntHideCaret(&ThreadQueue->CaretInfo);
+ ThreadQueue->CaretInfo.Visible = 0;
+ ThreadQueue->CaretInfo.Showing = 0;
}
return TRUE;
}
-
BOOL FASTCALL co_UserShowCaret(PWND Window OPTIONAL)
{
PTHREADINFO pti;
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
- if(Window && ThreadQueue->CaretInfo->hWnd != Window->head.h)
+ if(Window && ThreadQueue->CaretInfo.hWnd != Window->head.h)
{
EngSetLastError(ERROR_ACCESS_DENIED);
return FALSE;
}
- if (!ThreadQueue->CaretInfo->Visible)
+ if (!ThreadQueue->CaretInfo.Visible)
{
- ThreadQueue->CaretInfo->Visible = 1;
- pWnd = ValidateHwndNoErr(ThreadQueue->CaretInfo->hWnd);
- if (!ThreadQueue->CaretInfo->Showing && pWnd)
+ ThreadQueue->CaretInfo.Visible = 1;
+ pWnd = ValidateHwndNoErr(ThreadQueue->CaretInfo.hWnd);
+ if (!ThreadQueue->CaretInfo.Showing && pWnd)
{
- co_IntSendMessage(ThreadQueue->CaretInfo->hWnd, WM_SYSTIMER, IDCARETTIMER, 0);
IntNotifyWinEvent(EVENT_OBJECT_SHOW, pWnd, OBJID_CARET, OBJID_CARET, 0);
}
- IntSetTimer(pWnd, IDCARETTIMER, gpsi->dtCaretBlink, NULL, TMRF_SYSTEM);
+ IntSetTimer(pWnd, IDCARETTIMER, gpsi->dtCaretBlink, CaretSystemTimerProc, TMRF_SYSTEM);
}
return TRUE;
}
-
/* SYSCALLS *****************************************************************/
BOOL
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
- if (ThreadQueue->CaretInfo->Visible)
+ if (ThreadQueue->CaretInfo.Visible)
{
IntKillTimer(Window, IDCARETTIMER, TRUE);
- co_IntHideCaret(ThreadQueue->CaretInfo);
+ co_IntHideCaret(&ThreadQueue->CaretInfo);
}
- ThreadQueue->CaretInfo->hWnd = hWnd;
+ ThreadQueue->CaretInfo.hWnd = hWnd;
if(hBitmap)
{
- ThreadQueue->CaretInfo->Bitmap = hBitmap;
- ThreadQueue->CaretInfo->Size.cx = ThreadQueue->CaretInfo->Size.cy = 0;
+ ThreadQueue->CaretInfo.Bitmap = hBitmap;
+ ThreadQueue->CaretInfo.Size.cx = ThreadQueue->CaretInfo.Size.cy = 0;
}
else
{
{
nHeight = UserGetSystemMetrics(SM_CYBORDER);
}
- ThreadQueue->CaretInfo->Bitmap = (HBITMAP)0;
- ThreadQueue->CaretInfo->Size.cx = nWidth;
- ThreadQueue->CaretInfo->Size.cy = nHeight;
+ ThreadQueue->CaretInfo.Bitmap = (HBITMAP)0;
+ ThreadQueue->CaretInfo.Size.cx = nWidth;
+ ThreadQueue->CaretInfo.Size.cy = nHeight;
}
- ThreadQueue->CaretInfo->Visible = 0;
- ThreadQueue->CaretInfo->Showing = 0;
+ ThreadQueue->CaretInfo.Visible = 0;
+ ThreadQueue->CaretInfo.Showing = 0;
+
+ IntSetTimer( Window, IDCARETTIMER, gpsi->dtCaretBlink, CaretSystemTimerProc, TMRF_SYSTEM );
+
IntNotifyWinEvent(EVENT_OBJECT_CREATE, Window, OBJID_CARET, CHILDID_SELF, 0);
+
RETURN(TRUE);
CLEANUP:
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
- Status = MmCopyToCaller(lpPoint, &(ThreadQueue->CaretInfo->Pos), sizeof(POINT));
+ Status = MmCopyToCaller(lpPoint, &ThreadQueue->CaretInfo.Pos, sizeof(POINT));
if(!NT_SUCCESS(Status))
{
SetLastNtError(Status);