/* FUNCTIONS *****************************************************************/
+VOID FASTCALL
+co_IntDrawCaret(PWND pWnd, PTHRDCARETINFO CaretInfo)
+{
+ HDC hdc, hdcMem;
+ HBITMAP hbmOld;
+ BOOL bDone = FALSE;
+
+ hdc = UserGetDCEx(pWnd, 0, DCX_USESTYLE | DCX_WINDOW);
+ if (!hdc)
+ {
+ ERR("GetDC failed\n");
+ return;
+ }
+
+ if (pWnd->hrgnUpdate)
+ {
+ NtGdiSaveDC(hdc);
+ }
+
+ if(CaretInfo->Bitmap && NtGdiGetBitmapDimension(CaretInfo->Bitmap, &CaretInfo->Size))
+ {
+ 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);
+ }
+
+ 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)
+ {
+ ERR("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;
+
IntNotifyWinEvent(EVENT_OBJECT_HIDE, pWnd, OBJID_CARET, CHILDID_SELF, 0);
return TRUE;
}
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);
+
+ 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;
return TRUE;
}
-
BOOL FASTCALL co_UserShowCaret(PWND Window OPTIONAL)
{
PTHREADINFO pti;
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;
}
+/* This can go away now! */
+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;
+}
/* SYSCALLS *****************************************************************/
}
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: