void cbStyledTextCtrl::OnKeyDown(wxKeyEvent& event)
{
    switch (event.GetKeyCode())
    {
        case WXK_TAB:
        {
            if (m_tabSmartJump && !(event.ControlDown() || event.ShiftDown() || event.AltDown()))
            {
                if (!AutoCompActive() && m_bracePosition != wxSCI_INVALID_POSITION)
                {
                    m_lastPosition = GetCurrentPos();
                    GotoPos(m_bracePosition);

                    // Need judge if it's the final brace
                    HighlightRightBrace();
                    if (!m_tabSmartJump && CallTipActive())
                        CallTipCancel();
                    return;
                }
            }
        }
        break;

        case WXK_BACK:
        {
            if (m_tabSmartJump)
            {
                if (!(event.ControlDown() || event.ShiftDown() || event.AltDown()))
                {
                    const int pos = GetCurrentPos();
                    const int index = s_leftBrace.Find((wxChar)GetCharAt(pos - 1));
                    if (index != wxNOT_FOUND && (wxChar)GetCharAt(pos) == s_rightBrace.GetChar(index))
                    {
                        CharRight();
                        DeleteBack();
                    }
                }
                else if (m_lastPosition != wxSCI_INVALID_POSITION && event.ControlDown())
                {
                    GotoPos(m_lastPosition);
                    m_lastPosition = wxSCI_INVALID_POSITION;
                    return;
                }
            }
        }
        break;

        case WXK_RETURN:
        case WXK_ESCAPE:
        {
            if (m_tabSmartJump)
                m_tabSmartJump = false;
        }
        break;
    }

    event.Skip();
}
void cbStyledTextCtrl::DoBraceCompletion(const wxChar& ch)
{
    const int pos   = GetCurrentPos();
    const int style = GetStyleAt(pos);
    if (IsComment(style) || IsComment(GetStyleAt(pos - 2)))
        return; // do nothing
    if (ch == wxT('\'') || ch == wxT('"'))
    {
        if (GetCharAt(pos) == ch)
        {
            DeleteBack();
            CharRight();
        }
        else if (!IsString(GetStyleAt(pos - 2)) && !IsCharacter(GetStyleAt(pos - 2)))
            InsertText(pos, ch);
        return; // done
    }

    if (IsString(style) || IsCharacter(style))
        return; // do nothing

    const wxString opBraces(wxT("([{")); const int opBraceIdx = opBraces.Find(ch);
    const wxString clBraces(wxT(")]}")); const int clBraceIdx = clBraces.Find(ch);
    if ( (opBraceIdx != wxNOT_FOUND) || (clBraceIdx != wxNOT_FOUND) )
    {
        if ( GetCharAt(pos) == ch )
        {
            DeleteBack();
            CharRight();
        }
        else if (opBraceIdx != wxNOT_FOUND)
        {
            int nextPos = pos;
            while ( wxIsspace(GetCharAt(nextPos)) && (nextPos < GetLength()) )
                ++nextPos;

            if (   ((wxChar)GetCharAt(nextPos) != clBraces[opBraceIdx])
                || (BraceMatch(nextPos)        != wxNOT_FOUND) )
            {
                InsertText(pos, clBraces[opBraceIdx]);
            }
        }
    }
}
void cbStyledTextCtrl::OnKeyDown(wxKeyEvent& event)
{
    m_lastSelectedText = GetSelectedText();
    bool emulateDwellStart = false;

    switch ( event.GetKeyCode() )
    {
        case _T('I'):
        {
            if (event.GetModifiers() == wxMOD_ALT)
                m_braceShortcutState = true;
            break;
        }

        case WXK_TAB:
        {
            if (m_tabSmartJump && event.GetModifiers() == wxMOD_NONE)
            {
                if (!AutoCompActive() && m_bracePosition != wxSCI_INVALID_POSITION)
                {
                    m_lastPosition = GetCurrentPos();
                    GotoPos(m_bracePosition);

                    // Need judge if it's the final brace
                    HighlightRightBrace();
                    if (!m_tabSmartJump && CallTipActive())
                        CallTipCancel();
                    return;
                }
            }
        }
        break;

        case WXK_BACK:
        {
            if (m_tabSmartJump)
            {
                if (!(event.ControlDown() || event.ShiftDown() || event.AltDown()))
                {
                    const int pos = GetCurrentPos();
                    const int index = s_leftBrace.Find((wxChar)GetCharAt(pos - 1));
                    if (index != wxNOT_FOUND && (wxChar)GetCharAt(pos) == s_rightBrace.GetChar(index))
                    {
                        CharRight();
                        DeleteBack();
                    }
                }
                else if (m_lastPosition != wxSCI_INVALID_POSITION && event.ControlDown())
                {
                    GotoPos(m_lastPosition);
                    m_lastPosition = wxSCI_INVALID_POSITION;
                    return;
                }
            }
        }
        break;

        case WXK_RETURN:
        case WXK_NUMPAD_ENTER:
        case WXK_ESCAPE:
        {
            if (m_tabSmartJump)
                m_tabSmartJump = false;
        }
        break;

        case WXK_CONTROL:
        {
            EmulateDwellStart();
            emulateDwellStart = true;
        }
        break;
        default: break;
    }

    if (event.ControlDown() && !emulateDwellStart)
        EmulateDwellStart();

    event.Skip();
}