[rharabien] 54125: [WIN32K/CSRSS] - Spawn keyboard and mouse input threads in csrss user-mode process so they are valid Win32 threads and have TEB
13 Oct
2011
13 Oct
'11
10:22 p.m.
Author: rharabien
Date: Thu Oct 13 22:22:49 2011
New Revision: 54125
URL: http://svn.reactos.org/svn/reactos?rev=54125&view=rev
Log:
[WIN32K/CSRSS]
- Spawn keyboard and mouse input threads in csrss user-mode process so they are valid
Win32 threads and have TEB
Modified:
trunk/reactos/subsystems/win32/csrss/win32csr/dllmain.c
trunk/reactos/subsystems/win32/win32k/ntuser/input.c
trunk/reactos/subsystems/win32/win32k/ntuser/keyboard.c
trunk/reactos/subsystems/win32/win32k/ntuser/simplecall.c
Modified: trunk/reactos/subsystems/win32/csrss/win32csr/dllmain.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/csrss/win…
==============================================================================
--- trunk/reactos/subsystems/win32/csrss/win32csr/dllmain.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/csrss/win32csr/dllmain.c [iso-8859-1] Thu Oct 13
22:22:49 2011
@@ -178,6 +178,16 @@
NtUserCallOneParam(Check, ONEPARAM_ROUTINE_CSRSS_GUICHECK);
}
+DWORD
+WINAPI
+CreateSystemThreads(PVOID pParam)
+{
+ NtUserCallOneParam((DWORD_PTR)pParam, ONEPARAM_ROUTINE_CREATESYSTEMTHREADS);
+ DPRINT1("This thread should not terminate!\n");
+ DbgBreakPoint();
+ return 0;
+}
+
BOOL WINAPI
Win32CsrInitialization(PCSRSS_API_DEFINITION *ApiDefinitions,
PCSRPLUGIN_SERVER_PROCS ServerProcs,
@@ -200,6 +210,33 @@
RtlInitializeCriticalSection(&Win32CsrDefineDosDeviceCritSec);
InitializeListHead(&DosDeviceHistory);
+
+ {
+ HANDLE ServerThread;
+ CLIENT_ID ClientId;
+ NTSTATUS Status;
+
+ Status = RtlCreateUserThread(NtCurrentProcess(), NULL, TRUE, 0, 0, 0,
(PTHREAD_START_ROUTINE)CreateSystemThreads, (PVOID)0, &ServerThread, &ClientId);
+ if (NT_SUCCESS(Status))
+ {
+ NtResumeThread(ServerThread, NULL);
+ NtClose(ServerThread);
+ }
+ else
+ DPRINT1("Cannot start keyboard thread!\n");
+
+ Status = RtlCreateUserThread(NtCurrentProcess(), NULL, TRUE, 0, 0, 0,
(PTHREAD_START_ROUTINE)CreateSystemThreads, (PVOID)1, &ServerThread, &ClientId);
+ if (NT_SUCCESS(Status))
+ {
+ NtResumeThread(ServerThread, NULL);
+ NtClose(ServerThread);
+ }
+ else
+ DPRINT1("Cannot start mouse thread!\n");
+
+ DbgBreakPoint();
+ }
+
return TRUE;
}
Modified: trunk/reactos/subsystems/win32/win32k/ntuser/input.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/input.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/input.c [iso-8859-1] Thu Oct 13 22:22:49
2011
@@ -24,10 +24,6 @@
static DWORD LastInputTick = 0;
static HANDLE MouseDeviceHandle;
-static HANDLE MouseThreadHandle;
-static CLIENT_ID MouseThreadId;
-static HANDLE KeyboardThreadHandle;
-static CLIENT_ID KeyboardThreadId;
static HANDLE RawInputThreadHandle;
static CLIENT_ID RawInputThreadId;
static KEVENT InputThreadsStart;
@@ -212,7 +208,7 @@
DueTime.QuadPart = (LONGLONG)(-10000000);
KeInitializeEvent(&Event, NotificationEvent, FALSE);
Status = KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE,
&DueTime);
- Status = NtOpenFile(&MouseDeviceHandle,
+ Status = ZwOpenFile(&MouseDeviceHandle,
FILE_ALL_ACCESS,
&MouseObjectAttributes,
&Iosb,
@@ -221,12 +217,12 @@
} while (!NT_SUCCESS(Status));
/* Need to setup basic win32k for this thread to process WH_MOUSE_LL messages. */
- Status = Win32kInitWin32Thread(PsGetCurrentThread());
+ /*Status = Win32kInitWin32Thread(PsGetCurrentThread());
if (!NT_SUCCESS(Status))
{
ERR("Win32K: Failed making mouse thread a win32 thread.\n");
return; //(Status);
- }
+ }*/
ptiMouse = PsGetCurrentThreadWin32Thread();
ptiMouse->TIF_flags |= TIF_SYSTEMTHREAD;
@@ -249,7 +245,7 @@
TRACE("Mouse Input Thread Starting...\n");
/*FIXME: Does mouse attributes need to be used for anything */
- Status = NtDeviceIoControlFile(MouseDeviceHandle,
+ Status = ZwDeviceIoControlFile(MouseDeviceHandle,
NULL,
NULL,
NULL,
@@ -268,7 +264,7 @@
while(InputThreadsRunning)
{
MOUSE_INPUT_DATA MouseInput;
- Status = NtReadFile(MouseDeviceHandle,
+ Status = ZwReadFile(MouseDeviceHandle,
NULL,
NULL,
NULL,
@@ -304,7 +300,7 @@
}
}
-static VOID APIENTRY
+VOID NTAPI
KeyboardThreadMain(PVOID StartContext)
{
UNICODE_STRING KeyboardDeviceName =
RTL_CONSTANT_STRING(L"\\Device\\KeyboardClass0");
@@ -321,11 +317,11 @@
{
LARGE_INTEGER DueTime;
KEVENT Event;
- DueTime.QuadPart = (LONGLONG)(-10000000);
+ DueTime.QuadPart = (LONGLONG)(-100000000);
KeInitializeEvent(&Event, NotificationEvent, FALSE);
Status = KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE,
&DueTime);
- Status = NtOpenFile(&ghKeyboardDevice,
- FILE_ALL_ACCESS,
+ Status = ZwOpenFile(&ghKeyboardDevice,
+ FILE_READ_ACCESS,//FILE_ALL_ACCESS,
&KeyboardObjectAttributes,
&Iosb,
0,
@@ -343,12 +339,12 @@
the message from the system message queue would be responsible
for WH_KEYBOARD_LL processing and we wouldn't need this thread
to be a win32 thread. */
- Status = Win32kInitWin32Thread(PsGetCurrentThread());
+ /*Status = Win32kInitWin32Thread(PsGetCurrentThread());
if (!NT_SUCCESS(Status))
{
ERR("Win32K: Failed making keyboard thread a win32 thread.\n");
return; //(Status);
- }
+ }*/
ptiKeyboard = PsGetCurrentThreadWin32Thread();
ptiKeyboard->TIF_flags |= TIF_SYSTEMTHREAD;
@@ -379,7 +375,7 @@
TRACE("KeyInput @ %08x\n", &KeyInput);
- Status = NtReadFile (ghKeyboardDevice,
+ Status = ZwReadFile (ghKeyboardDevice,
NULL,
NULL,
NULL,
@@ -479,7 +475,7 @@
//
for(;;)
{
- TRACE( "Raw Input Thread Waiting for start event\n" );
+ TRACE("Raw Input Thread Waiting for start event\n");
Status = KeWaitForMultipleObjects( 2,
Objects,
@@ -489,11 +485,28 @@
TRUE,
NULL,
NULL);
- TRACE( "Raw Input Thread Starting...\n" );
+ TRACE("Raw Input Thread Starting...\n");
ProcessTimers();
}
ERR("Raw Input Thread Exit!\n");
+}
+
+DWORD NTAPI
+CreateSystemThreads(UINT Type)
+{
+ UserLeave();
+
+ switch (Type)
+ {
+ case 0: KeyboardThreadMain(NULL); break;
+ case 1: MouseThreadMain(NULL); break;
+ default: ERR("Wrong type: %x\n", Type);
+ }
+
+ UserEnterShared();
+
+ return 0;
}
INIT_FUNCTION
@@ -532,30 +545,6 @@
ERR("Win32K: Failed to create raw thread.\n");
}
- Status = PsCreateSystemThread(&KeyboardThreadHandle,
- THREAD_ALL_ACCESS,
- NULL,
- NULL,
- &KeyboardThreadId,
- KeyboardThreadMain,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- ERR("Win32K: Failed to create keyboard thread.\n");
- }
-
- Status = PsCreateSystemThread(&MouseThreadHandle,
- THREAD_ALL_ACCESS,
- NULL,
- NULL,
- &MouseThreadId,
- MouseThreadMain,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- ERR("Win32K: Failed to create mouse thread.\n");
- }
-
InputThreadsRunning = TRUE;
KeSetEvent(&InputThreadsStart, IO_NO_INCREMENT, FALSE);
@@ -588,7 +577,7 @@
* e.g. services running in the service window station cannot block input
*/
if(!ThreadHasInputAccess(pti) ||
- !IntIsActiveDesktop(pti->rpdesk))
+ !IntIsActiveDesktop(pti->rpdesk))
{
EngSetLastError(ERROR_ACCESS_DENIED);
return FALSE;
Modified: trunk/reactos/subsystems/win32/win32k/ntuser/keyboard.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/keyboard.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/keyboard.c [iso-8859-1] Thu Oct 13
22:22:49 2011
@@ -672,6 +672,83 @@
}
/*
+ * SnapWindow
+ *
+ * Saves snapshot of specified window or whole screen in the clipboard
+ */
+static VOID
+SnapWindow(HWND hWnd)
+{
+ HBITMAP hbm = NULL, hbmOld;
+ HDC hdc = NULL, hdcMem;
+ SETCLIPBDATA scd;
+ INT cx, cy;
+ PWND pWnd = NULL;
+
+ TRACE("SnapWindow(%p)\n", hWnd);
+
+ /* If no windows is given, make snapshot of desktop window */
+ if (!hWnd)
+ hWnd = IntGetDesktopWindow();
+
+ pWnd = UserGetWindowObject(hWnd);
+ if (!pWnd)
+ {
+ ERR("Invalid window\n");
+ goto cleanup;
+ }
+
+ hdc = UserGetDCEx(pWnd, NULL, DCX_USESTYLE | DCX_WINDOW);
+ if (!hdc)
+ {
+ ERR("UserGetDCEx failed!\n");
+ goto cleanup;
+ }
+
+ cx = pWnd->rcWindow.right - pWnd->rcWindow.left;
+ cy = pWnd->rcWindow.bottom - pWnd->rcWindow.top;
+
+ hbm = NtGdiCreateCompatibleBitmap(hdc, cx, cy);
+ if (!hbm)
+ {
+ ERR("NtGdiCreateCompatibleBitmap failed!\n");
+ goto cleanup;
+ }
+
+ hdcMem = NtGdiCreateCompatibleDC(hdc);
+ if (!hdcMem)
+ {
+ ERR("NtGdiCreateCompatibleDC failed!\n");
+ goto cleanup;
+ }
+
+ hbmOld = NtGdiSelectBitmap(hdcMem, hbm);
+ NtGdiBitBlt(hdcMem, 0, 0, cx, cy, hdc, 0, 0, SRCCOPY, 0, 0);
+ NtGdiSelectBitmap(hdcMem, hbmOld);
+ IntGdiDeleteDC(hdcMem, FALSE);
+
+ /* Save snapshot in clipboard */
+ if (UserOpenClipboard(NULL))
+ {
+ UserEmptyClipboard();
+ scd.fIncSerialNumber = TRUE;
+ scd.fGlobalHandle = FALSE;
+ if (UserSetClipboardData(CF_BITMAP, hbm, &scd))
+ {
+ /* Bitmap is managed by system now */
+ hbm = NULL;
+ }
+ UserCloseClipboard();
+ }
+
+cleanup:
+ if (hbm)
+ GreDeleteObject(hbm);
+ if (hdc)
+ UserReleaseDC(hWnd, hdc, FALSE);
+}
+
+/*
* UserSendKeyboardInput
*
* Process keyboard input from input devices and SendInput API
@@ -765,7 +842,18 @@
/* If we have a focus queue, post a keyboard message */
pFocusQueue = IntGetFocusMessageQueue();
- if (pFocusQueue && bPostMsg)
+ if (bIsDown && wVk == VK_SNAPSHOT)
+ {
+ if (pFocusQueue &&
+ IS_KEY_DOWN(gafAsyncKeyState, VK_MENU) &&
+ !IS_KEY_DOWN(gafAsyncKeyState, VK_CONTROL))
+ {
+ SnapWindow(pFocusQueue->FocusWindow);
+ }
+ else
+ SnapWindow(NULL);
+ }
+ else if (pFocusQueue && bPostMsg)
{
/* Init message */
Msg.hwnd = pFocusQueue->FocusWindow;
Modified: trunk/reactos/subsystems/win32/win32k/ntuser/simplecall.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/simplecall.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/simplecall.c [iso-8859-1] Thu Oct 13
22:22:49 2011
@@ -378,6 +378,8 @@
case ONEPARAM_ROUTINE_MESSAGEBEEP:
RETURN ( UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, Param) );
/* TODO: Implement sound sentry */
+ case ONEPARAM_ROUTINE_CREATESYSTEMTHREADS:
+ RETURN(CreateSystemThreads(Param));
}
ERR("Calling invalid routine number 0x%x in NtUserCallOneParam(),
Param=0x%x\n",
Routine, Param);
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