void CMagneticView::OnSetFocus(CWnd* pOldWnd)
{
CView::OnSetFocus(pOldWnd);
if (m_bInputActive)
CaretOn();
}
char CMagneticView::GetInput(bool& done, bool trans)
{
static const int MAX_HISTORY = 20;
done = true;
CMagneticApp* pApp = (CMagneticApp*)AfxGetApp();
CMagneticView* pView = CMagneticView::GetView();
if (pView == NULL)
return 0;
int cInput = 0; // Input character
int iPosition = 0; // Current cursor position
int iHistory = -1; // Current history position
static CString strFullLine;
// Input line already obtained?
if (strFullLine.GetLength() > 0)
{
cInput = strFullLine[0];
strFullLine = strFullLine.Right(strFullLine.GetLength()-1);
if (cInput == (signed char)(CMagneticView::SPECIAL_KEYS + VK_SPACE))
cInput = ' ';
return (char)cInput;
}
if (pView->m_bMorePrompt)
pView->m_PageTable.RemoveAt(pView->m_PageTable.GetSize()-1);
else
pView->m_PageTable.RemoveAll();
// Refresh the view
pView->Invalidate();
CaretOn();
while (cInput != 10 && cInput != 1)
{
pView = CMagneticView::GetView();
if (pView == NULL)
break;
// Wait for a character
CArray<int, int>& Input = pView->m_Input;
if (Input.GetSize() == 0)
{
if (pView)
pView->ShowCaret();
pApp->PumpMessage();
pApp->CWinApp::OnIdle(0); // Call base class OnIdle();
pView = CMagneticView::GetView();
if (pView)
{
pView->HideCaret();
CMagneticApp::Redraw Status = pApp->GetRedrawStatus();
switch (Status)
{
case CMagneticApp::Redraw::EndPlayback:
done = false; // intentional fall-through
case CMagneticApp::Redraw::EndLine:
case CMagneticApp::Redraw::EndOpcode:
Input.RemoveAll();
strFullLine.Empty();
if (Status == CMagneticApp::Redraw::EndOpcode)
cInput = 1;
else
cInput = 10; // intentional fall-through
case CMagneticApp::Redraw::ThisLine:
CaretOff();
CaretOn();
pView->Invalidate();
break;
}
pView->SetCursorPos(pView->m_pTextDC,strFullLine.GetLength()-iPosition);
}
}
else
{
cInput = (pView->m_bMorePrompt) ? 10 : Input[0];
Input.RemoveAt(0);
int iInsertPos, iRemovePos;
switch (cInput)
{
case 10: // Return
strFullLine += (char)cInput;
break;
case CMagneticView::SPECIAL_KEYS + VK_LEFT: // Cursor left
if (iPosition > 0)
iPosition--;
break;
case CMagneticView::SPECIAL_KEYS + VK_RIGHT: // Cursor right
if (iPosition < strFullLine.GetLength())
iPosition++;
break;
case CMagneticView::SPECIAL_KEYS + VK_HOME: // Home
iPosition = 0;
break;
case CMagneticView::SPECIAL_KEYS + VK_END: // End
iPosition = strFullLine.GetLength();
break;
case CMagneticView::SPECIAL_KEYS + VK_DELETE: // Delete
if (iPosition < strFullLine.GetLength())
{
iRemovePos = strFullLine.GetLength() - iPosition;
pView->RemoveChar(strFullLine,iRemovePos);
pView->RemoveChar(pView->m_strOutput,iRemovePos,TRUE);
}
break;
case 8: // Backspace
if (iPosition > 0)
{
iRemovePos = strFullLine.GetLength() - iPosition + 1;
pView->RemoveChar(strFullLine,iRemovePos);
pView->RemoveChar(pView->m_strOutput,iRemovePos,TRUE);
iPosition--;
}
break;
case CMagneticView::SPECIAL_KEYS + VK_UP: // Cursor up
if (iHistory < pView->m_History.GetSize()-1)
iHistory++;
if ((iHistory >= 0) && (pView->m_History.GetSize() > 0))
{
int iOldLength = strFullLine.GetLength();
strFullLine = pView->m_History[iHistory];
pView->UseHistory(strFullLine,iOldLength);
iPosition = strFullLine.GetLength();
}
break;
case CMagneticView::SPECIAL_KEYS + VK_DOWN: // Cursor down
if (iHistory > 0)
iHistory--;
if ((iHistory >= 0) && (pView->m_History.GetSize() > 0))
{
int iOldLength = strFullLine.GetLength();
strFullLine = pView->m_History[iHistory];
pView->UseHistory(strFullLine,iOldLength);
iPosition = strFullLine.GetLength();
}
break;
case CMagneticView::SPECIAL_KEYS + VK_SPACE: // Space
iInsertPos = strFullLine.GetLength() - iPosition;
pView->InsertChar(pView->m_strOutput,(char)cInput,iInsertPos,TRUE);
pView->InsertChar(strFullLine,(char)cInput,iInsertPos);
iPosition++;
break;
default:
if (isprint(cInput) && (cInput < CMagneticView::SPECIAL_KEYS))
{
// Insert the character into the input string
iInsertPos = strFullLine.GetLength() - iPosition;
pView->InsertChar(pView->m_strOutput,(char)cInput,iInsertPos,TRUE);
pView->InsertChar(strFullLine,(char)cInput,iInsertPos);
iPosition++;
}
break;
}
// Update the input line
pView->InvalidateRect(pView->m_LastLineRect,FALSE);
}
}
if (pView && (strFullLine.GetLength() > 0))
{
if (pView->m_bMorePrompt == false)
{
// Store in input history
CString strHistory = strFullLine.Left(strFullLine.GetLength()-1);
if (strHistory.GetLength() > 0)
{
pView->m_History.InsertAt(0,strHistory);
if (pView->m_History.GetSize() > MAX_HISTORY)
pView->m_History.RemoveAt(pView->m_History.GetSize()-1);
}
int i;
while ((i = strHistory.Find((char)(CMagneticView::SPECIAL_KEYS + VK_SPACE))) >= 0)
strHistory.SetAt(i,' ');
// Input recording
if ((pView->m_Recording == Recording::RecordingOn) && (pView->m_pFileRecord))
fprintf(pView->m_pFileRecord,"%s\n",strHistory);
// Scrollback buffer
pView->m_Scrollback.GetScrollback() += strHistory;
// Scripting
if (pView->m_Scripting == Scripting::ScriptingOn)
pView->m_strScript += strHistory;
}
if (trans && (strFullLine.CompareNoCase("#undo\n") == 0))
{
cInput = 0;
strFullLine.Empty();
}
else
{
cInput = strFullLine[0];
strFullLine = strFullLine.Right(strFullLine.GetLength()-1);
}
}
if (pView)
pView->m_iLines = 0;
CaretOff();
if (cInput == (signed char)(CMagneticView::SPECIAL_KEYS + VK_SPACE))
cInput = ' ';
return (char)cInput;
}