3 * COPYRIGHT: See COPYING in the top level directory
4 * PROJECT: ReactOS system libraries
5 * FILE: subsys/csrss/win32csr/tuiconsole.c
6 * PURPOSE: Implementation of text-mode consoles
14 CRITICAL_SECTION ActiveConsoleLock
;
15 static COORD PhysicalConsoleSize
;
16 static HANDLE ConsoleDeviceHandle
;
17 static PCSRSS_CONSOLE ActiveConsole
;
19 static BOOL ConsInitialized
= FALSE
;
21 static LRESULT CALLBACK
22 TuiConsoleWndProc(HWND hWnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
)
24 if (msg
== WM_ACTIVATE
)
27 if (LOWORD(wParam
) != WA_INACTIVE
)
31 ConioDrawConsole(ActiveConsole
);
34 return DefWindowProcW(hWnd
, msg
, wParam
, lParam
);
40 CONSOLE_SCREEN_BUFFER_INFO ScrInfo
;
44 ConsoleDeviceHandle
= CreateFileW(L
"\\\\.\\BlueScreen", FILE_ALL_ACCESS
, 0, NULL
,
45 OPEN_EXISTING
, 0, NULL
);
46 if (INVALID_HANDLE_VALUE
== ConsoleDeviceHandle
)
48 DPRINT1("Failed to open BlueScreen.\n");
53 InitializeCriticalSection(&ActiveConsoleLock
);
54 if (! DeviceIoControl(ConsoleDeviceHandle
, IOCTL_CONSOLE_GET_SCREEN_BUFFER_INFO
,
55 NULL
, 0, &ScrInfo
, sizeof(ScrInfo
), &BytesReturned
, NULL
))
57 DPRINT1("Failed to get console info\n");
60 PhysicalConsoleSize
= ScrInfo
.dwSize
;
62 RtlZeroMemory(&wc
, sizeof(WNDCLASSEXW
));
63 wc
.cbSize
= sizeof(WNDCLASSEXW
);
64 wc
.lpszClassName
= L
"TuiConsoleWindowClass";
65 wc
.lpfnWndProc
= TuiConsoleWndProc
;
66 wc
.hInstance
= (HINSTANCE
) GetModuleHandleW(NULL
);
67 if (RegisterClassExW(&wc
) == 0)
69 DPRINT1("Failed to register console wndproc\n");
77 TuiInitScreenBuffer(PCSRSS_CONSOLE Console
, PCSRSS_SCREEN_BUFFER Buffer
)
79 Buffer
->DefaultAttrib
= FOREGROUND_BLUE
| FOREGROUND_GREEN
| FOREGROUND_RED
| BACKGROUND_BLUE
;
83 TuiCopyRect(char *Dest
, PCSRSS_SCREEN_BUFFER Buff
, RECT
*Region
)
85 UINT SrcDelta
, DestDelta
;
89 Src
= ConioCoordToPointer(Buff
, Region
->left
, Region
->top
);
90 SrcDelta
= Buff
->MaxX
* 2;
91 SrcEnd
= Buff
->Buffer
+ Buff
->MaxY
* Buff
->MaxX
* 2;
92 DestDelta
= ConioRectWidth(Region
) * 2;
93 for (i
= Region
->top
; i
<= Region
->bottom
; i
++)
95 memcpy(Dest
, Src
, DestDelta
);
99 Src
-= Buff
->MaxY
* Buff
->MaxX
* 2;
106 TuiDrawRegion(PCSRSS_CONSOLE Console
, RECT
*Region
)
109 PCSRSS_SCREEN_BUFFER Buff
= Console
->ActiveBuffer
;
110 PCONSOLE_DRAW ConsoleDraw
;
111 UINT ConsoleDrawSize
;
113 if (ActiveConsole
!= Console
)
118 ConsoleDrawSize
= sizeof(CONSOLE_DRAW
) +
119 (ConioRectWidth(Region
) * ConioRectHeight(Region
)) * 2;
120 ConsoleDraw
= HeapAlloc(Win32CsrApiHeap
, 0, ConsoleDrawSize
);
121 if (NULL
== ConsoleDraw
)
123 DPRINT1("HeapAlloc failed\n");
126 ConsoleDraw
->X
= Region
->left
;
127 ConsoleDraw
->Y
= Region
->top
;
128 ConsoleDraw
->SizeX
= ConioRectWidth(Region
);
129 ConsoleDraw
->SizeY
= ConioRectHeight(Region
);
130 ConsoleDraw
->CursorX
= Buff
->CurrentX
;
131 ConsoleDraw
->CursorY
= Buff
->CurrentY
;
133 TuiCopyRect((char *) (ConsoleDraw
+ 1), Buff
, Region
);
135 if (! DeviceIoControl(ConsoleDeviceHandle
, IOCTL_CONSOLE_DRAW
,
136 NULL
, 0, ConsoleDraw
, ConsoleDrawSize
, &BytesReturned
, NULL
))
138 DPRINT1("Failed to draw console\n");
139 HeapFree(Win32CsrApiHeap
, 0, ConsoleDraw
);
143 HeapFree(Win32CsrApiHeap
, 0, ConsoleDraw
);
147 TuiWriteStream(PCSRSS_CONSOLE Console
, RECT
*Region
, LONG CursorStartX
, LONG CursorStartY
,
148 UINT ScrolledLines
, CHAR
*Buffer
, UINT Length
)
151 PCSRSS_SCREEN_BUFFER Buff
= Console
->ActiveBuffer
;
153 if (ActiveConsole
->ActiveBuffer
!= Buff
)
158 if (! WriteFile(ConsoleDeviceHandle
, Buffer
, Length
, &BytesWritten
, NULL
))
160 DPRINT1("Error writing to BlueScreen\n");
165 TuiSetCursorInfo(PCSRSS_CONSOLE Console
, PCSRSS_SCREEN_BUFFER Buff
)
169 if (ActiveConsole
->ActiveBuffer
!= Buff
)
174 if (! DeviceIoControl(ConsoleDeviceHandle
, IOCTL_CONSOLE_SET_CURSOR_INFO
,
175 &Buff
->CursorInfo
, sizeof(Buff
->CursorInfo
), NULL
, 0,
176 &BytesReturned
, NULL
))
178 DPRINT1( "Failed to set cursor info\n" );
186 TuiSetScreenInfo(PCSRSS_CONSOLE Console
, PCSRSS_SCREEN_BUFFER Buff
, UINT OldCursorX
, UINT OldCursorY
)
188 CONSOLE_SCREEN_BUFFER_INFO Info
;
191 if (ActiveConsole
->ActiveBuffer
!= Buff
)
196 Info
.dwCursorPosition
.X
= Buff
->CurrentX
;
197 Info
.dwCursorPosition
.Y
= Buff
->CurrentY
;
198 Info
.wAttributes
= Buff
->DefaultAttrib
;
200 if (! DeviceIoControl(ConsoleDeviceHandle
, IOCTL_CONSOLE_SET_SCREEN_BUFFER_INFO
,
201 &Info
, sizeof(CONSOLE_SCREEN_BUFFER_INFO
), NULL
, 0,
202 &BytesReturned
, NULL
))
204 DPRINT1( "Failed to set cursor position\n" );
212 TuiUpdateScreenInfo(PCSRSS_CONSOLE Console
, PCSRSS_SCREEN_BUFFER Buff
)
218 TuiChangeTitle(PCSRSS_CONSOLE Console
)
224 TuiCleanupConsole(PCSRSS_CONSOLE Console
)
226 DestroyWindow(Console
->hWindow
);
228 EnterCriticalSection(&ActiveConsoleLock
);
230 /* Switch to next console */
231 if (ActiveConsole
== Console
)
233 ActiveConsole
= Console
->Next
!= Console
? Console
->Next
: NULL
;
236 if (Console
->Next
!= Console
)
238 Console
->Prev
->Next
= Console
->Next
;
239 Console
->Next
->Prev
= Console
->Prev
;
241 LeaveCriticalSection(&ActiveConsoleLock
);
243 if (NULL
!= ActiveConsole
)
245 ConioDrawConsole(ActiveConsole
);
250 TuiConsoleThread (PVOID Data
)
252 PCSRSS_CONSOLE Console
= (PCSRSS_CONSOLE
) Data
;
256 NewWindow
= CreateWindowW(L
"TuiConsoleWindowClass",
257 Console
->Title
.Buffer
,
259 -32000, -32000, 0, 0,
261 (HINSTANCE
) GetModuleHandleW(NULL
),
263 Console
->hWindow
= NewWindow
;
264 if (NULL
== NewWindow
)
266 DPRINT1("CSR: Unable to create console window\n");
270 SetForegroundWindow(Console
->hWindow
);
274 GetMessageW(&msg
, 0, 0, 0);
275 DispatchMessage(&msg
);
276 TranslateMessage(&msg
);
278 if (msg
.message
== WM_CHAR
|| msg
.message
== WM_SYSCHAR
||
279 msg
.message
== WM_KEYDOWN
|| msg
.message
== WM_KEYUP
||
280 msg
.message
== WM_SYSKEYDOWN
|| msg
.message
== WM_SYSKEYUP
)
282 ConioProcessKey(&msg
, Console
, TRUE
);
289 static CSRSS_CONSOLE_VTBL TuiVtbl
=
302 TuiInitConsole(PCSRSS_CONSOLE Console
)
306 if (! ConsInitialized
)
308 ConsInitialized
= TRUE
;
311 ConsInitialized
= FALSE
;
312 return STATUS_UNSUCCESSFUL
;
316 Console
->Vtbl
= &TuiVtbl
;
317 Console
->hWindow
= NULL
;
318 Console
->Size
= PhysicalConsoleSize
;
319 Console
->ActiveBuffer
->MaxX
= PhysicalConsoleSize
.X
;
320 Console
->ActiveBuffer
->MaxY
= PhysicalConsoleSize
.Y
;
322 ThreadHandle
= CreateThread(NULL
, 0, (LPTHREAD_START_ROUTINE
) TuiConsoleThread
,
324 if (NULL
== ThreadHandle
)
326 DPRINT1("CSR: Unable to create console thread\n");
327 return STATUS_UNSUCCESSFUL
;
329 CloseHandle(ThreadHandle
);
331 EnterCriticalSection(&ActiveConsoleLock
);
332 if (NULL
!= ActiveConsole
)
334 Console
->Prev
= ActiveConsole
;
335 Console
->Next
= ActiveConsole
->Next
;
336 ActiveConsole
->Next
->Prev
= Console
;
337 ActiveConsole
->Next
= Console
;
341 Console
->Prev
= Console
;
342 Console
->Next
= Console
;
344 ActiveConsole
= Console
;
345 LeaveCriticalSection(&ActiveConsoleLock
);
347 return STATUS_SUCCESS
;
350 PCSRSS_CONSOLE FASTCALL
351 TuiGetFocusConsole(VOID
)
353 return ActiveConsole
;
357 TuiSwapConsole(int Next
)
359 static PCSRSS_CONSOLE SwapConsole
= NULL
; /* console we are thinking about swapping with */
367 /* alt-tab, swap consoles */
368 /* move SwapConsole to next console, and print its title */
369 EnterCriticalSection(&ActiveConsoleLock
);
372 SwapConsole
= ActiveConsole
;
375 SwapConsole
= (0 < Next
? SwapConsole
->Next
: SwapConsole
->Prev
);
376 Title
.MaximumLength
= RtlUnicodeStringToAnsiSize(&SwapConsole
->Title
);
378 Buffer
= HeapAlloc(Win32CsrApiHeap
,
380 sizeof(COORD
) + Title
.MaximumLength
);
381 pos
= (COORD
*)Buffer
;
382 Title
.Buffer
= (PVOID
)((ULONG_PTR
)Buffer
+ sizeof( COORD
));
384 RtlUnicodeStringToAnsiString(&Title
, &SwapConsole
->Title
, FALSE
);
385 pos
->Y
= PhysicalConsoleSize
.Y
/ 2;
386 pos
->X
= (PhysicalConsoleSize
.X
- Title
.Length
) / 2;
387 /* redraw the console to clear off old title */
388 ConioDrawConsole(ActiveConsole
);
389 if (! DeviceIoControl(ConsoleDeviceHandle
, IOCTL_CONSOLE_WRITE_OUTPUT_CHARACTER
,
390 NULL
, 0, Buffer
, sizeof(COORD
) + Title
.Length
,
391 &BytesReturned
, NULL
))
393 DPRINT1( "Error writing to console\n" );
395 HeapFree(Win32CsrApiHeap
, 0, Buffer
);
396 LeaveCriticalSection(&ActiveConsoleLock
);
400 else if (NULL
!= SwapConsole
)
402 EnterCriticalSection(&ActiveConsoleLock
);
403 if (SwapConsole
!= ActiveConsole
)
405 /* first remove swapconsole from the list */
406 SwapConsole
->Prev
->Next
= SwapConsole
->Next
;
407 SwapConsole
->Next
->Prev
= SwapConsole
->Prev
;
408 /* now insert before activeconsole */
409 SwapConsole
->Next
= ActiveConsole
;
410 SwapConsole
->Prev
= ActiveConsole
->Prev
;
411 ActiveConsole
->Prev
->Next
= SwapConsole
;
412 ActiveConsole
->Prev
= SwapConsole
;
414 ActiveConsole
= SwapConsole
;
416 ConioDrawConsole(ActiveConsole
);
417 LeaveCriticalSection(&ActiveConsoleLock
);