-/* $Id: Console.cpp,v 1.2 2000/10/24 20:17:41 narnaoud Exp $
+/* $Id: Console.cpp,v 1.3 2001/01/10 01:25:29 narnaoud Exp $
*
* regexpl - Console Registry Explorer
*
#include "ph.h"
#include "Console.h"
+#define TAB_WIDTH 8
#define MORE_STRING _T("-- Press space to view more. Press q or Ctrl+break to cancel.--")
#define MORE_EMPTY_STRING _T(" ")
{
if (!Write(_T(" "))) return FALSE;
}
- while ((m_CursorPosition.X % 8) && (!m_blnDisableWrite));
+ while ((m_CursorPosition.X % TAB_WIDTH) && (!m_blnDisableWrite));
dwCharsWrittenAdd++;
dwCharsToWrite--;
continue;
return ret;
}
+unsigned int CConsole::GetTabWidth()
+{
+ return TAB_WIDTH;
+}
+
BOOL CConsole::SetTitle(TCHAR *p)
{
return SetConsoleTitle(p);
}
}
else if (ch == _T('\t'))
- {
- if (!blnCompletionMode)
+ { // Tab
+
+ if (!blnCompletionMode) // If tab was pressed after non-tab. We enter in completion mode.
{
- if (InputRecord.Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED)
-// nCompletionIndex = 0xFFFFFFFFFFFFFFFF;
- nCompletionIndex = (unsigned long long) -1;
+ // Initialize completion index
+ if (InputRecord.Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) // If shift was pressed
+ nCompletionIndex = (unsigned long long) -1; // Last completion
else
- nCompletionIndex = 0;
+ nCompletionIndex = 0; // First completion
+
+ // Find completion offset. It points at char after first non-quoted whitespace.
dwCompletionOffset = dwCurrentCharOffset;
- BOOL b = FALSE;
+ BOOL blnQuotedParameter = FALSE;
while(dwCompletionOffset)
{
dwCompletionOffset--;
if (m_pchBuffer[dwCompletionOffset] == _T('\"'))
{
- b = !b;
+ blnQuotedParameter = !blnQuotedParameter;
}
- else if (!b && _istspace(m_pchBuffer[dwCompletionOffset]))
- {
- dwCompletionOffset++;
+ else if (!blnQuotedParameter && _istspace(m_pchBuffer[dwCompletionOffset]))
+ { // Found ! We are not inside quored parameter and we are on whitespace.
+ dwCompletionOffset++; // dwCompletionOffset must point at char AFTER first non-quoted whitespace.
break;
}
}
+
ASSERT(dwCompletionOffset <= dwCurrentCharOffset);
+
+ // Save not changing part (context) of completion in m_pchBuffer1
_tcsncpy(m_pchBuffer1,m_pchBuffer,dwCompletionOffset);
m_pchBuffer1[dwCompletionOffset] = 0;
+
+ // Size of changing part
dwCompletionStringSize = dwCurrentCharOffset-dwCompletionOffset;
+
+ // Save intial changing part of completion in m_pchBuffer2
if (dwCompletionStringSize)
_tcsncpy(m_pchBuffer2,m_pchBuffer+dwCompletionOffset,dwCompletionStringSize);
m_pchBuffer2[dwCompletionStringSize] = 0;
+
+ // Calculate cursor position of point between changing and not changing ports
CompletionPosition.X = X_CURSOR_POSITION_FROM_OFFSET(dwCompletionOffset);
CompletionPosition.Y = Y_CURSOR_POSITION_FROM_OFFSET(dwCompletionOffset);
-// Beep(1000,500);
- }
- else
- {
-// Beep(1000,50);
-// Beep(2000,50);
-// Beep(3000,50);
-// Beep(4000,50);
-// Beep(3000,50);
-// Beep(2000,50);
-// Beep(1000,50);
- }
+ } // if first time tab
+
const TCHAR *pchCompletion = NULL;
+
+ // Direction
BOOL blnForward = !(InputRecord.Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED);
- if (m_pfReplaceCompletionCallback)
+
+ if (m_pfReplaceCompletionCallback) // If we are using replace completion callback
pchCompletion = m_pfReplaceCompletionCallback(nCompletionIndex,
- blnCompletionMode?&blnForward:NULL,
- m_pchBuffer1,m_pchBuffer2);
- if (pchCompletion)
+ blnCompletionMode?&blnForward:NULL, // If this is first time we call the completion callback, do not change completion index
+ m_pchBuffer1,m_pchBuffer2);
+
+ if (pchCompletion) // If completion found
{
- // Set cursor position
+ // Set cursor position to compeltion position
m_CursorPosition = CompletionPosition;
- if (!SetConsoleCursorPosition(m_hStdOut,m_CursorPosition)) return FALSE;
+ if (!SetConsoleCursorPosition(m_hStdOut,m_CursorPosition))
+ return FALSE;
// Calculate buffer free space
ASSERT(m_dwBufferSize > dwCompletionOffset);
DWORD dwFree = m_dwBufferSize - dwCompletionOffset - 1;
+ // Save old completion string size
DWORD dwOldCompletionStringSize = dwCompletionStringSize;
// Write completion string to buffer
dwCompletionStringSize = _tcslen(pchCompletion);
+ // If there is not enough space in buffer, so we truncate the completion
if (dwCompletionStringSize > dwFree)
dwCompletionStringSize = dwFree;
+
if (dwCompletionStringSize)
{
+ // Copy competion into main buffer
_tcsncpy(m_pchBuffer+dwCompletionOffset,pchCompletion,dwCompletionStringSize);
-// m_pchBuffer[dwCompletionOffset+dwCompletionStringSize] = 0;
// Write completion string to console
- if (!Write(m_pchBuffer+dwCompletionOffset,dwCompletionStringSize)) return FALSE;
+ if (!Write(m_pchBuffer+dwCompletionOffset,dwCompletionStringSize))
+ return FALSE;
+
+ // Set new offsets
dwCurrentCharOffset = dwLastCharOffset = dwCompletionOffset + dwCompletionStringSize;
+
ASSERT(dwLastCharOffset < m_dwBufferSize);
}
- // Erase rest from previous completion string
+ // Erase rest from previous completion string, if the new completion is shorter than old
if (dwOldCompletionStringSize > dwCompletionStringSize)
{
_tcsnset(m_pchBuffer+dwCompletionOffset+dwCompletionStringSize,_T(' '),
// Set cursor position
m_CursorPosition = pos;
- if (!SetConsoleCursorPosition(m_hStdOut,m_CursorPosition)) return FALSE;
+ if (!SetConsoleCursorPosition(m_hStdOut,m_CursorPosition))
+ return FALSE;
}
+ } // If completion found
- }
- else
- {
-/* if (InputRecord.Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED)
- {
- nCompletionIndex++;
- }
- else
- {
- if (nCompletionIndex)
- nCompletionIndex--;
- }*/
- }
+ // Ok, we are in completion mode
blnCompletionMode = TRUE;
}
else if (_istprint(ch))
if (m_hStdIn != INVALID_HANDLE_VALUE) VERIFY(CloseHandle(m_hStdIn));
if (m_hStdOut != INVALID_HANDLE_VALUE) VERIFY(CloseHandle(m_hStdOut));
- m_hStdIn = GetStdHandle(STD_INPUT_HANDLE);
- if (m_hStdIn == INVALID_HANDLE_VALUE) goto Abort;
+ m_hStdIn = CreateFile("CONIN$",GENERIC_READ | GENERIC_WRITE,FILE_SHARE_READ | FILE_SHARE_WRITE,NULL,OPEN_EXISTING,0,NULL);
+ //m_hStdIn = GetStdHandle(STD_INPUT_HANDLE);
+ if (m_hStdIn == INVALID_HANDLE_VALUE)
+ goto Abort;
- m_hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
- if (m_hStdOut == INVALID_HANDLE_VALUE) goto Abort;
+ m_hStdOut = CreateFile("CONOUT$",GENERIC_READ | GENERIC_WRITE,FILE_SHARE_READ | FILE_SHARE_WRITE,NULL,OPEN_EXISTING,0,NULL);
+ //m_hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
+ if (m_hStdOut == INVALID_HANDLE_VALUE)
+ goto Abort;
CONSOLE_SCREEN_BUFFER_INFO info;
- if (!GetConsoleScreenBufferInfo(m_hStdOut,&info)) goto Abort;
+ if (!GetConsoleScreenBufferInfo(m_hStdOut,&info))
+ goto Abort;
m_wAttributes = info.wAttributes;
if (!m_blnOldInputModeSaved)
projects / reactos.git / blobdiff