/*

Copyright 2011-2012 Heikki Holstila <heikki.holstila@gmail.com>

This file is part of FingerTerm.

FingerTerm 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.

FingerTerm 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 FingerTerm. If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef TEXTRENDER_H

#define TEXTRENDER_H

#include <QPainter>

#include "terminal.h"

class Util;

Q_PROPERTY(int myWidth READ myWidth WRITE setMyWidth NOTIFY myWidthChanged)

Q_PROPERTY(int myHeight READ myHeight WRITE setMyHeight NOTIFY myHeightChanged)

Q_PROPERTY(int fontWidth READ fontWidth NOTIFY fontSizeChanged)

Q_PROPERTY(int fontHeight READ fontHeight NOTIFY fontSizeChanged)

Q_PROPERTY(int fontPointSize READ fontPointSize WRITE setFontPointSize NOTIFY fontSizeChanged)

Q_PROPERTY(bool showBufferScrollIndicator READ showBufferScrollIndicator WRITE setShowBufferScrollIndicator NOTIFY showBufferScrollIndicatorChanged)

Q_OBJECT

public:

void setTerminal(Terminal* term);

void setUtil(Util* util) { iUtil = util; }

int myWidth() { return iWidth; }

int myHeight() { return iHeight; }

void setMyWidth(int w) { if(iWidth!=w) { iWidth=w; emit myWidthChanged(w); } }

void setMyHeight(int h) { if(iHeight!=h) { iHeight=h; emit myHeightChanged(h); } }

int fontWidth() { return iFontWidth; }

int fontHeight() { return iFontHeight; }

int fontDescent() { return iFontDescent; }

int fontPointSize() { return iFont.pointSize(); }

void setFontPointSize(int psize);

bool showBufferScrollIndicator() { return iShowBufferScrollIndicator; }

void setShowBufferScrollIndicator(bool s) { if(iShowBufferScrollIndicator!=s) { iShowBufferScrollIndicator=s; emit showBufferScrollIndicatorChanged(); } }

Q_INVOKABLE QPoint cursorPixelPos();

Q_INVOKABLE QSize cursorPixelSize();

signals:

void myWidthChanged(int newWidth);

void myHeightChanged(int newHeight);

void fontSizeChanged();

void showBufferScrollIndicatorChanged();

public slots:

void redraw();

void updateTermSize();

private:

Q_DISABLE_COPY(TextRender)

void paintFromBuffer(QPainter* painter, QList<QList<TermChar> >& buffer, int from, int to, int &y);

void drawBgFragment(QPainter* painter, int x, int y, int width, TermChar style);

void drawTextFragment(QPainter* painter, int x, int y, QString text, TermChar style);

QPoint charsToPixels(QPoint pos);

int iWidth;

int iHeight;

QFont iFont;

int iFontWidth;

int iFontHeight;

int iFontDescent;

bool iShowBufferScrollIndicator;

Terminal *iTerm;

Util *iUtil;

QList<QColor> iColorTable;

};

#endif // TEXTRENDER_H