lightlatexeditor.h

/***************************************************************************
 *   copyright       : (C) 2003-2011 by Pascal Brachet                     *
 *   http://www.xm1math.net/texmaker/                                      *
 *   addons by Luis Silvestre                                              *
 *   contains some code from CLedit (C) 2010 Heinz van Saanen -GPL         *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef LIGHTLATEXEDITOR_H
#define LIGHTLATEXEDITOR_H

#include <QWidget>
#include <QString>
#include <QTextEdit>
#include <QPlainTextEdit>
#include <QTextDocument>
#include <QTextCursor>
#include <QTextBlock>

#include "lightlatexhighlighter.h"
#include "textblockselection.h"
#include "encodingprober/qencodingprober.h"


typedef  int UserBookmarkList[3];

class LightLatexEditor : public QPlainTextEdit  {
    Q_OBJECT
public:
    LightLatexEditor(QWidget *parent,QFont & efont,QList<QColor> edcolors, QList<QColor> hicolors, QString name="");
    ~LightLatexEditor();
    static void clearMarkerFormat(const QTextBlock &block, int markerId);
    void gotoLine( int line );
    bool search( const QString &expr, bool cs, bool wo, bool forward, bool startAtCursor );
    void changeFont(QFont & new_font);
    QString getEncoding();
    void setEncoding(QString enc);
    int getCursorPosition(int parag, int index);
    void setCursorPosition(int para, int index);
    int numoflines();
    int searchLine( const QString &expr);
    int linefromblock(const QTextBlock& p);
    UserBookmarkList UserBookmark;
    void selectword(int line, int col, QString word);
    LightLatexHighlighter *highlighter;
    void insertNewLine();
    QRectF blockGeometry(const QTextBlock & block) {
        return blockBoundingGeometry(block).translated(contentOffset());
    }
    int getLastNumLines();
    void setLastNumLines(int n);

    QString beginningLine();
    void updateName(QString f);
    void setTextCursor(const QTextCursor &cursor);
    TextBlockSelection blockSelection;
public slots:
    void matchAll();
    void load( const QString &f );
    void setColors(QList<QColor> colors);

private:
    bool inBlockSelectionMode;
    QString encoding;
    int lastnumlines;
    QString fname;
    bool matchLeftPar ( QTextBlock currentBlock, int index, int numRightPar );
    bool matchRightPar( QTextBlock currentBlock, int index, int numLeftPar );
    void createParSelection( int pos );

    int endBlock;
    QString copyBlockSelection() const;
    QColor colorBackground, colorLine, colorHighlight, colorCursor;
private slots:
    void jumpToEndBlock();
    void matchPar();
    void ensureFinalNewLine();//Qt 4.7.1 bug
    void gotoBookmark1();
    void gotoBookmark2();
    void gotoBookmark3();
    void editFind();
    void editGotoLine();

    void removeBlockSelection(const QString &text = QString());
    void slotSelectionChanged();
protected:
    void paintEvent(QPaintEvent *event);
    void contextMenuEvent(QContextMenuEvent *e);
    void mouseMoveEvent(QMouseEvent *);
    void mousePressEvent(QMouseEvent *);
    QMimeData *createMimeDataFromSelection() const;
    bool canInsertFromMimeData(const QMimeData *source) const;
    void insertFromMimeData(const QMimeData *source);

signals:
    void updatelineWidget();
    void requestFind();
    void requestGotoLine();
};

#endif