static VOID
LineInputEdit(PCONSRV_CONSOLE Console,
UINT NumToDelete,
UINT NumToInsert,
PWCHAR Insertion)
{
PTEXTMODE_SCREEN_BUFFER ActiveBuffer;
UINT Pos = Console->LinePos;
UINT NewSize = Console->LineSize - NumToDelete + NumToInsert;
UINT i;
if (GetType(Console->ActiveBuffer) != TEXTMODE_BUFFER) return;
ActiveBuffer = (PTEXTMODE_SCREEN_BUFFER)Console->ActiveBuffer;
/* Make sure there's always enough room for ending \r\n */
if (NewSize + 2 > Console->LineMaxSize)
return;
memmove(&Console->LineBuffer[Pos + NumToInsert],
&Console->LineBuffer[Pos + NumToDelete],
(Console->LineSize - (Pos + NumToDelete)) * sizeof(WCHAR));
memcpy(&Console->LineBuffer[Pos], Insertion, NumToInsert * sizeof(WCHAR));
if (GetConsoleInputBufferMode(Console) & ENABLE_ECHO_INPUT)
{
for (i = Pos; i < NewSize; i++)
{
TermWriteStream(Console, ActiveBuffer, &Console->LineBuffer[i], 1, TRUE);
}
for (; i < Console->LineSize; i++)
{
TermWriteStream(Console, ActiveBuffer, L" ", 1, TRUE);
}
Console->LinePos = i;
}
Console->LineSize = NewSize;
LineInputSetPos(Console, Pos + NumToInsert);
}
NTSTATUS NTAPI
ConDrvWriteConsole(IN PCONSOLE Console,
IN PTEXTMODE_SCREEN_BUFFER ScreenBuffer,
IN BOOLEAN Unicode,
IN PVOID StringBuffer,
IN ULONG NumCharsToWrite,
OUT PULONG NumCharsWritten OPTIONAL)
{
NTSTATUS Status = STATUS_SUCCESS;
PWCHAR Buffer = NULL;
ULONG Written = 0;
ULONG Length;
if (Console == NULL || ScreenBuffer == NULL /* || StringBuffer == NULL */)
return STATUS_INVALID_PARAMETER;
/* Validity checks */
ASSERT(Console == ScreenBuffer->Header.Console);
ASSERT((StringBuffer != NULL) || (StringBuffer == NULL && NumCharsToWrite == 0));
/* Stop here if the console is paused */
if (Console->UnpauseEvent != NULL) return STATUS_PENDING;
/* Convert the string to UNICODE */
if (Unicode)
{
Buffer = StringBuffer;
}
else
{
Length = MultiByteToWideChar(Console->OutputCodePage, 0,
(PCHAR)StringBuffer,
NumCharsToWrite,
NULL, 0);
Buffer = RtlAllocateHeap(RtlGetProcessHeap(), 0, Length * sizeof(WCHAR));
if (Buffer)
{
MultiByteToWideChar(Console->OutputCodePage, 0,
(PCHAR)StringBuffer,
NumCharsToWrite,
(PWCHAR)Buffer, Length);
}
else
{
Status = STATUS_NO_MEMORY;
}
}
/* Send it */
if (Buffer)
{
if (NT_SUCCESS(Status))
{
Status = TermWriteStream(Console,
ScreenBuffer,
Buffer,
NumCharsToWrite,
TRUE);
if (NT_SUCCESS(Status))
{
Written = NumCharsToWrite;
}
}
if (!Unicode) RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer);
}
if (NumCharsWritten) *NumCharsWritten = Written;
return Status;
}
VOID
LineInputKeyDown(PCONSRV_CONSOLE Console,
PUNICODE_STRING ExeName,
KEY_EVENT_RECORD *KeyEvent)
{
UINT Pos = Console->LinePos;
UNICODE_STRING Entry;
/*
* First, deal with control keys...
*/
switch (KeyEvent->wVirtualKeyCode)
{
case VK_ESCAPE:
{
/* Clear entire line */
LineInputSetPos(Console, 0);
LineInputEdit(Console, Console->LineSize, 0, NULL);
// TESTS!!
if (Popup)
{
DestroyPopupWindow(Popup);
Popup = NULL;
}
return;
}
case VK_HOME:
{
/* Move to start of line. With CTRL, erase everything left of cursor */
LineInputSetPos(Console, 0);
if (KeyEvent->dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))
LineInputEdit(Console, Pos, 0, NULL);
return;
}
case VK_END:
{
/* Move to end of line. With CTRL, erase everything right of cursor */
if (KeyEvent->dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))
LineInputEdit(Console, Console->LineSize - Pos, 0, NULL);
else
LineInputSetPos(Console, Console->LineSize);
return;
}
case VK_LEFT:
{
/* Move left. With CTRL, move to beginning of previous word */
if (KeyEvent->dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))
{
while (Pos > 0 && Console->LineBuffer[Pos - 1] == L' ') Pos--;
while (Pos > 0 && Console->LineBuffer[Pos - 1] != L' ') Pos--;
}
else
{
Pos -= (Pos > 0);
}
LineInputSetPos(Console, Pos);
return;
}
case VK_RIGHT:
case VK_F1:
{
/* Move right. With CTRL, move to beginning of next word */
if (KeyEvent->dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))
{
while (Pos < Console->LineSize && Console->LineBuffer[Pos] != L' ') Pos++;
while (Pos < Console->LineSize && Console->LineBuffer[Pos] == L' ') Pos++;
LineInputSetPos(Console, Pos);
}
else
{
/* Recall one character (but don't overwrite current line) */
HistoryGetCurrentEntry(Console, ExeName, &Entry);
if (Pos < Console->LineSize)
LineInputSetPos(Console, Pos + 1);
else if (Pos * sizeof(WCHAR) < Entry.Length)
LineInputEdit(Console, 0, 1, &Entry.Buffer[Pos]);
}
return;
}
case VK_INSERT:
{
/* Toggle between insert and overstrike */
Console->LineInsertToggle = !Console->LineInsertToggle;
TermSetCursorInfo(Console, Console->ActiveBuffer);
return;
}
case VK_DELETE:
{
/* Remove character to right of cursor */
if (Pos != Console->LineSize)
LineInputEdit(Console, 1, 0, NULL);
return;
}
case VK_PRIOR:
{
/* Recall first history entry */
LineInputRecallHistory(Console, ExeName, -((WORD)-1));
return;
}
case VK_NEXT:
{
/* Recall last history entry */
LineInputRecallHistory(Console, ExeName, +((WORD)-1));
return;
}
case VK_UP:
case VK_F5:
{
/*
* Recall previous history entry. On first time, actually recall the
* current (usually last) entry; on subsequent times go back.
*/
LineInputRecallHistory(Console, ExeName, Console->LineUpPressed ? -1 : 0);
Console->LineUpPressed = TRUE;
return;
}
case VK_DOWN:
{
/* Recall next history entry */
LineInputRecallHistory(Console, ExeName, +1);
return;
}
case VK_F3:
{
/* Recall remainder of current history entry */
HistoryGetCurrentEntry(Console, ExeName, &Entry);
if (Pos * sizeof(WCHAR) < Entry.Length)
{
UINT InsertSize = (Entry.Length / sizeof(WCHAR) - Pos);
UINT DeleteSize = min(Console->LineSize - Pos, InsertSize);
LineInputEdit(Console, DeleteSize, InsertSize, &Entry.Buffer[Pos]);
}
return;
}
case VK_F6:
{
/* Insert a ^Z character */
KeyEvent->uChar.UnicodeChar = 26;
break;
}
case VK_F7:
{
if (KeyEvent->dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED))
HistoryDeleteCurrentBuffer(Console, ExeName);
else
{
if (Popup) DestroyPopupWindow(Popup);
Popup = HistoryDisplayCurrentHistory(Console, ExeName);
}
return;
}
case VK_F8:
{
UNICODE_STRING EntryFound;
Entry.Length = Console->LinePos * sizeof(WCHAR); // == Pos * sizeof(WCHAR)
Entry.Buffer = Console->LineBuffer;
if (HistoryFindEntryByPrefix(Console, ExeName, &Entry, &EntryFound))
{
LineInputEdit(Console, Console->LineSize - Pos,
EntryFound.Length / sizeof(WCHAR) - Pos,
&EntryFound.Buffer[Pos]);
/* Cursor stays where it was */
LineInputSetPos(Console, Pos);
}
return;
}
#if 0
{
PHISTORY_BUFFER Hist;
INT HistPos;
/* Search for history entries starting with input. */
Hist = HistoryCurrentBuffer(Console, ExeName);
if (!Hist || Hist->NumEntries == 0) return;
/*
* Like Up/F5, on first time start from current (usually last) entry,
* but on subsequent times start at previous entry.
*/
if (Console->LineUpPressed)
Hist->Position = (Hist->Position ? Hist->Position : Hist->NumEntries) - 1;
Console->LineUpPressed = TRUE;
Entry.Length = Console->LinePos * sizeof(WCHAR); // == Pos * sizeof(WCHAR)
Entry.Buffer = Console->LineBuffer;
/*
* Keep going backwards, even wrapping around to the end,
* until we get back to starting point.
*/
HistPos = Hist->Position;
do
{
if (RtlPrefixUnicodeString(&Entry, &Hist->Entries[HistPos], FALSE))
{
Hist->Position = HistPos;
LineInputEdit(Console, Console->LineSize - Pos,
Hist->Entries[HistPos].Length / sizeof(WCHAR) - Pos,
&Hist->Entries[HistPos].Buffer[Pos]);
/* Cursor stays where it was */
LineInputSetPos(Console, Pos);
return;
}
if (--HistPos < 0) HistPos += Hist->NumEntries;
} while (HistPos != Hist->Position);
return;
}
#endif
return;
}
/*
* OK, we deal with normal keys, we can continue...
*/
if (KeyEvent->uChar.UnicodeChar == L'\b' && GetConsoleInputBufferMode(Console) & ENABLE_PROCESSED_INPUT)
{
/* backspace handling - if processed input enabled then we handle it here
* otherwise we treat it like a normal char. */
if (Pos > 0)
{
LineInputSetPos(Console, Pos - 1);
LineInputEdit(Console, 1, 0, NULL);
}
}
else if (KeyEvent->uChar.UnicodeChar == L'\r')
{
Entry.Length = Entry.MaximumLength = Console->LineSize * sizeof(WCHAR);
Entry.Buffer = Console->LineBuffer;
HistoryAddEntry(Console, ExeName, &Entry);
/* TODO: Expand aliases */
DPRINT1("TODO: Expand aliases\n");
LineInputSetPos(Console, Console->LineSize);
Console->LineBuffer[Console->LineSize++] = L'\r';
if (GetConsoleInputBufferMode(Console) & ENABLE_ECHO_INPUT)
{
if (GetType(Console->ActiveBuffer) == TEXTMODE_BUFFER)
{
TermWriteStream(Console, (PTEXTMODE_SCREEN_BUFFER)(Console->ActiveBuffer), L"\r", 1, TRUE);
}
}
/*
* Add \n if processed input. There should usually be room for it,
* but an exception to the rule exists: the buffer could have been
* pre-filled with LineMaxSize - 1 characters.
*/
if (GetConsoleInputBufferMode(Console) & ENABLE_PROCESSED_INPUT &&
Console->LineSize < Console->LineMaxSize)
{
Console->LineBuffer[Console->LineSize++] = L'\n';
if (GetConsoleInputBufferMode(Console) & ENABLE_ECHO_INPUT)
{
if (GetType(Console->ActiveBuffer) == TEXTMODE_BUFFER)
{
TermWriteStream(Console, (PTEXTMODE_SCREEN_BUFFER)(Console->ActiveBuffer), L"\n", 1, TRUE);
}
}
}
Console->LineComplete = TRUE;
Console->LinePos = 0;
}
else if (KeyEvent->uChar.UnicodeChar != L'\0')
{
if (KeyEvent->uChar.UnicodeChar < 0x20 &&
Console->LineWakeupMask & (1 << KeyEvent->uChar.UnicodeChar))
{
/* Control key client wants to handle itself (e.g. for tab completion) */
Console->LineBuffer[Console->LineSize++] = L' ';
Console->LineBuffer[Console->LinePos] = KeyEvent->uChar.UnicodeChar;
Console->LineComplete = TRUE;
Console->LinePos = 0;
}
else
{
/* Normal character */
BOOL Overstrike = !Console->LineInsertToggle && (Console->LinePos != Console->LineSize);
DPRINT("Overstrike = %s\n", Overstrike ? "true" : "false");
LineInputEdit(Console, (Overstrike ? 1 : 0), 1, &KeyEvent->uChar.UnicodeChar);
}
}
}