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  • Committer: Bazaar Package Importer
  • Author(s): Bruce Walker
  • Date: 2002-02-06 11:43:38 UTC
  • Revision ID: james.westby@ubuntu.com-20020206114338-xqmjmhh01lpjm0g4
Tags: upstream-0.6.2
Import upstream version 0.6.2

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linpsk/ctxwindow.cpp
 
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/***************************************************************************
 
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                          ctxwindow.cpp  -  description
 
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                             -------------------
 
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    begin                : Sun Mar 5 2000
 
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    copyright            : (C) 2000 by Volker Schroer
 
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    email                : DL1KSV@gmx.de
 
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 ***************************************************************************/
 
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/***************************************************************************
 
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 *                                                                         *
 
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 *   This program is free software; you can redistribute it and/or modify  *
 
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 *   it under the terms of the GNU General Public License as published by  *
 
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 *   the Free Software Foundation; either version 2 of the License, or     *
 
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 *   (at your option) any later version.                                   *
 
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 *    based on the work of  Moe Wheatly, AE4JY                             *  
 
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 ***************************************************************************/
 
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#include "ctxwindow.h"
 
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CTxwindow::CTxwindow (QWidget *parent, const char *name ) : QMultiLineEdit(parent,name)
 
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{
 
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inpos=0;
 
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outpos=0;
 
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filled=0;
 
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}
 
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CTxwindow::~CTxwindow(){
 
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}
 
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void CTxwindow::keyPressEvent(QKeyEvent *e)     // Bearbeiten der Eingaben im
 
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                                                                                                                                                                                // TX Window
 
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{
 
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unsigned char c;
 
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static bool CapsLock = false;
 
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if (filled < TXBUFFER_LENGTH)
 
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        {
 
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                switch(e->key())
 
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                {
 
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                        case Key_Enter:
 
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                        case Key_Return:
 
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                                cursorPosition(&akt_line,&akt_col);
 
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                                akt_line++;
 
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                                if(akt_line >= maxline)
 
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                                        removeLine(0);  //Erste Zeile entfernen
 
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                                        newLine();
 
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                                        c='\n';
 
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                                e->accept();
 
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                                filled++;
 
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                                txbuffer[inpos++]=c;
 
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                                inpos = inpos % TXBUFFER_LENGTH;
 
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      break;
 
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                        case Key_CapsLock:      
 
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                                CapsLock = !CapsLock;
 
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                                e->accept();
 
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                                break;
 
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                                case Key_Backspace:
 
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                                c='\b';
 
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                                backspace();
 
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                                e->accept();
 
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                                if (filled > 0)
 
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                                        {                               // We can delete the last char direct in the buffer
 
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                                                filled--;
 
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                                                inpos = inpos + TXBUFFER_LENGTH - 1;
 
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                                        }
 
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                                else
 
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                                        {
 
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                                                filled++;
 
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                                                txbuffer[inpos++]=c;
 
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                                        }
 
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                                inpos = inpos % TXBUFFER_LENGTH;
 
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                                break;
 
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                                default:        
 
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                                if ( (e->state() == ShiftButton) || CapsLock)
 
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                                c=toupper(e->ascii());
 
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                                else
 
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                                c=tolower(e->ascii());
 
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                                if ( c !=0 )
 
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                                        {
 
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                                        cursorPosition(&akt_line,&akt_col);
 
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                                        akt_col++;
 
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                                        if (akt_col >80)
 
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                                                {
 
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                                                insertCntrlChar('\n'); //This newline Char will  be Transmitted
 
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                                                newLine();
 
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                                                }
 
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                                        insertChar(c);
 
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                                        e->accept();
 
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                                        filled++;
 
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                                        txbuffer[inpos++]=c;
 
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                                        inpos = inpos % TXBUFFER_LENGTH;
 
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                                }
 
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                                } // End Case
 
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                }
 
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        else
 
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        {
 
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                QApplication::beep();
 
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                e->ignore();
 
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        }
 
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} // keyPressEvent
 
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int CTxwindow::getTxChar(void)
 
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{
 
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int ch;
 
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if (filled > 0)
 
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        {
 
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                ch=txbuffer[outpos++];
 
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                filled--;
 
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                if (filled == 0)
 
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                        {
 
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                                inpos=0;
 
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                                outpos=0;
 
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                        }
 
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                 else
 
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                        outpos=outpos % TXBUFFER_LENGTH;
 
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                if (ch == TXOFF_CODE)
 
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                        settings.status=TX_POSTAMBLE_STATE;
 
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                return ch;
 
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        }
 
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else
 
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         return TXTOG_CODE;
 
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}
 
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int CTxwindow::insertTxChar(const char *txtstring, int anzahl)
 
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{
 
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int len;
 
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int i;
 
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len = TXBUFFER_LENGTH-filled;
 
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if(len == 0)
 
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         return len; //TXBuffer full; try later
 
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if (len > anzahl)
 
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        len =anzahl;
 
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for (i=0;i < len;i++)
 
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 {
 
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        txbuffer[inpos++]= *(txtstring+i);
 
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        inpos=inpos % TXBUFFER_LENGTH;
 
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        }
 
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filled +=len;
 
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return len;
 
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}       
 
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void CTxwindow::insertCntrlChar(int CntrlChar)
 
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{
 
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while (filled >= TXBUFFER_LENGTH)
 
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        qApp->processEvents(100);
 
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filled++;
 
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txbuffer[inpos++]= CntrlChar;
 
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inpos %= TXBUFFER_LENGTH;
 
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return;
 
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}
 
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bool CTxwindow::TxBufferisEmpty(void)
 
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{
 
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if (filled == 0 )
 
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return true; //Buffer is empty
 
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else
 
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return false; // Some Char's to xmit
 
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}
 
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void CTxwindow::setMaxLine(int count)
 
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{
 
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maxline=count;
 
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}