logeditor.cpp

/***************************************************************************
 *   copyright       : (C) 2003-2011 by Pascal Brachet                     *
 *   http://www.xm1math.net/texmaker/                                      *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "logeditor.h"
#include <QRegExp>
#include <QPainter>
#include <QDebug>

LogEditor::LogEditor(QWidget *parent) : QPlainTextEdit(parent) {
//setToolTip(tr("Click to jump to the line"));
    highlighter = new LogHighlighter(document());

    connect(this, SIGNAL(cursorPositionChanged()),this, SLOT(update()));
    setReadOnly(true);
    setEnabled(true);
    setFocusPolicy(Qt::WheelFocus);
    setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::TextSelectableByKeyboard);
}
LogEditor::~LogEditor() {
}

void LogEditor::insertLine(QString l) {
    appendPlainText(l);
}

void LogEditor::setCursorPosition(int para, int index) {
    QTextCursor cur=textCursor();
    int i = 0;
    QTextBlock p = document()->begin();
    while ( p.isValid() ) {
        if (para==i) break;
        i++;
        p = p.next();
    }
    int pos=p.position();
    cur.movePosition(QTextCursor::End);
    setTextCursor(cur);
    cur.setPosition(pos+index,QTextCursor::MoveAnchor);
    setTextCursor(cur);
    ensureCursorVisible();
}

void LogEditor::mousePressEvent (QMouseEvent *e) {
    QPlainTextEdit::mousePressEvent(e);
    QString content=textCursor().block().text();
    int Start, End;
    bool ok;
    QString s;
    QString line="";
//// l. ///
    s = content;
    Start=End=0;
    Start=s.indexOf(QRegExp("l.[0-9]"), End);
    if (Start!=-1) {
        Start=Start+2;
        s=s.mid(Start,s.length());
        End=s.indexOf(QRegExp("[ a-zA-Z.\\-]"),0);
        if (End!=-1)
            line=s.mid(0,End);
        else
            line=s.mid(0,s.length());
    };
//// line ///
    s = content;
    Start=End=0;
    Start=s.indexOf(QRegExp("line [0-9]"), End);
    if (Start!=-1) {
        Start=Start+5;
        s=s.mid(Start,s.length());
        End=s.indexOf(QRegExp("[ a-zA-Z.\\-]"),0);
        if (End!=-1)
            line=s.mid(0,End);
        else
            line=s.mid(0,s.length());
    };
//// lines ///
    s = content;
    Start=End=0;
    Start=s.indexOf(QRegExp("lines [0-9]"), End);
    if (Start!=-1) {
        Start=Start+6;
        s=s.mid(Start,s.length());
        End=s.indexOf(QRegExp("[ a-zA-Z.\\-]"),0);
        if (End!=-1)
            line=s.mid(0,End);
        else
            line=s.mid(0,s.length());
    };
    int l=line.toInt(&ok,10)-1;
    if (ok) {
        emit clickonline(l);
    }

}

void LogEditor::paintEvent(QPaintEvent *event) {
    QRect rect = cursorRect();
    QRect rectbis=rect;
    rectbis.setX(0);
    rectbis.setWidth(viewport()->width());
    QPainter painter(viewport());
    const QBrush brush(QColor("#000000"));
    const QBrush brushbis(QColor("#ececec"));
    painter.fillRect(rectbis, brushbis);
    painter.fillRect(rect, brush);
    painter.end();
    QPlainTextEdit::paintEvent(event);
}