linenumberarea.h

/*
    This file is part of cPad Project.

    cPad 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 3 of the License, or
    (at your option) any later version.

    cPad 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 cPad.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LINENUMBERAREA_H
#define LINENUMBERAREA_H

#include <QWidget>
#include "codeeditor.h"
QT_BEGIN_NAMESPACE
QT_END_NAMESPACE

class LineNumberArea : public QWidget
{
    public:
        LineNumberArea(CodeEditor *editor) : QWidget(editor) {
            codeEditor = editor;//Óëedit¿òͨÐÅ
        }

        QSize sizeHint() const {
            return QSize(codeEditor->lineNumberAreaWidth(), 0);
        }

    protected:
        void paintEvent(QPaintEvent *event) {//¿Ø¼þÖØ»­Ê¼þ
            codeEditor->lineNumberAreaPaintEvent(event);
        }

    private:
        CodeEditor *codeEditor;
    };

#endif // LINENUMBERAREA_H