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/* -------------------------------------------------------------------------- */
/* */
/* [emulation.h] Fundamental Terminal Emulation */
/* */
/* -------------------------------------------------------------------------- */
/* */
/* Copyright (c) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> */
/* */
/* This file is part of Konsole - an X terminal for KDE */
/* */
/* -------------------------------------------------------------------------- */
/* */
/* Ported Konsole to Qt/Embedded */
/* */
/* Copyright (C) 2000 by John Ryland <jryland@trolltech.com> */
/* */
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
/* */
/* made to a layer between io_layer and widget */
/* */
/* Copyright (C) 2002 by opie developers <opie@handhelds.org> */
/* */
/* -------------------------------------------------------------------------- */
#ifndef EMULATION_LAYER_H
#define EMULATION_LAYER_H
#include "widget_layer.h"
#include "screen.h"
#include <qtimer.h>
#include <stdio.h>
#include <qtextcodec.h>
#include "keytrans.h"
class EmulationLayer : public QObject
{ Q_OBJECT
public:
EmulationLayer( WidgetLayer* gui );
~EmulationLayer();
public:
virtual void setHistory(bool on);
virtual bool history();
public slots: // signals incoming from Widget
virtual void onImageSizeChange(int lines, int columns);
virtual void onHistoryCursorChange(int cursor);
virtual void onKeyPress(QKeyEvent*);
virtual void clearSelection();
virtual void onSelectionBegin(const int x, const int y);
virtual void onSelectionExtend(const int x, const int y);
virtual void setSelection(const bool preserve_line_breaks);
public slots: // signals incoming from data source
/**
* to be called, when new data arrives
*/
void onRcvBlock(const QByteArray&);
signals:
/**
* will send data, encoded to suit emulation
*/
void sndBlock(const QByteArray&);
void ImageSizeChanged(int lines, int columns);
void changeColumns(int columns);
void changeTitle(int arg, const char* str);
public:
/**
* process single char (decode)
*/
virtual void onRcvChar(int);
virtual void setMode (int) = 0;
virtual void resetMode(int) = 0;
/**
* @deprecated use qbytearray instead
*/
virtual void sendString(const char*) = 0;
/**
* sends a string to IOLayer
* encodes to suit emulation before
*/
virtual void sendString(const QByteArray&) = 0;
virtual void setConnect(bool r);
void setColumns(int columns);
void setKeytrans(int no);
void setKeytrans(const char * no);
protected:
WidgetLayer* gui;
Screen* scr; // referes to one `screen'
Screen* screen[2]; // 0 = primary, 1 = alternate
void setScreen(int n); // set `scr' to `screen[n]'
bool connected; // communicate with widget
void setCodec(int c); // codec number, 0 = locale, 1=utf8
QTextCodec* codec;
QTextCodec* localeCodec;
QTextDecoder* decoder;
KeyTrans* keytrans;
// refreshing related material.
// this is localized in the class.
private slots: // triggered by timer
void showBulk();
private:
void bulkNewline();
void bulkStart();
void bulkEnd();
private:
QTimer bulk_timer;
int bulk_nlcnt; // bulk newline counter
char* SelectedText;
int bulk_incnt; // bulk counter
};
#endif // ifndef EMULATION_H
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