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/*
* Copyright (c) 2002-2006 Samit Basu
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __QTTerm_hpp__
#define __QTTerm_hpp__
#include <QAbstractScrollArea>
#include <QKeyEvent>
#include <QPaintEvent>
#include <string>
#include <QDockWidget>
using namespace std;
#define CURSORBIT 0x01
#define SELECTBIT 0x02
#define TEXTBIT 0x04 //to mark text region
class tagChar
{
public:
char v;
char flags;
tagChar(): v(' '), flags(0) {};
tagChar(char t): v(t), flags(0) {};
bool noflags() {return(flags == 0);};
bool cursor() {return(flags & CURSORBIT);};
bool selected() {return(flags & SELECTBIT);};
void toggleCursor() {flags ^= CURSORBIT;};
void setCursor() {flags |= CURSORBIT;};
void clearCursor() {flags &= ~CURSORBIT;};
void clearSelection() {flags &= ~SELECTBIT;};
void setSelection() {flags |= SELECTBIT;};
void setHasText() {flags |= TEXTBIT;};
void clearHasText() {flags &= ~TEXTBIT;};
bool hasText() {return(flags & TEXTBIT);};
char mflags() const {return flags;};
bool operator == (const tagChar& b) {return (v==b.v) && (flags==b.flags);};
};
const int maxlen = 512;
class tagLine {
public:
tagChar data[maxlen];
};
class QTTerm : public QAbstractScrollArea {
Q_OBJECT
QList<tagLine> buffer;
int cursor_x, cursor_y;
QFont fnt;
int m_char_w, m_char_h;
int m_term_width, m_term_height;
QTimer *m_timer_blink;
bool blinkEnable;
bool m_blink_skip;
int selectionStart;
int selectionStop;
int scrollback;
bool isCursorVisible;
bool hasSelection;
bool prevWasBOL;
public:
QTTerm();
QString getSelectionText();
QString getAllText();
void setFont(QFont font);
QFont getFont();
void clearSelection();
int getScrollbackLimit();
void setScrollbackLimit(int m);
void updateScrollbarSettings();
protected:
void ensureCursorVisible();
void setChar(char t, bool flush);
void nextLine();
void keyPressEvent(QKeyEvent *e);
bool event(QEvent *e);
void paintEvent(QPaintEvent *e);
void resizeEvent(QResizeEvent *e);
void focusOutEvent(QFocusEvent *e);
void focusInEvent(QFocusEvent *e);
void mouseDoubleClickEvent( QMouseEvent *e );
void mousePressEvent( QMouseEvent *e );
void mouseMoveEvent( QMouseEvent *e );
void mouseReleaseEvent( QMouseEvent *e );
void getErrorAndShow();
private:
void calcGeometry();
void clearCursor();
void setCursor();
void drawLine(int linenum, QPainter *e, int yval);
void drawFragment(QPainter *e, QString todraw, char flags, int row, int col);
public slots:
void blink();
void MoveDown();
void MoveUp();
void MoveRight();
void MoveLeft();
void ClearEOL();
void ClearEOD();
void MoveBOL();
void ClearDisplay();
void OutputRawString(QString txt);
void copy();
signals:
void OnChar(int c);
void SetTextWidth(int);
void PlaceCursorDXDY(int dx, int dy);
void showFileAtLine(QString fileName, int lineNumber);
};
#endif
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