File: LineNumberArea.cpp

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/

// modified fron the example at http://qt-project.org/doc/qt-4.8/widgets-codeeditor-codeeditor-cpp.html
// 2013-01-27

#include <QPaintEvent>
#include <QtWidgets/QWidget>

#include "BasicEdit.h"
#include "LineNumberArea.h"


LineNumberArea::LineNumberArea(BasicEdit *editor) : QWidget(editor) {
    setFocusPolicy(Qt::NoFocus);
    setMouseTracking(true);
    be = editor;
}

QSize LineNumberArea::sizeHint() {
    return QSize(be->lineNumberAreaWidth(), 0);
}

void LineNumberArea::paintEvent(QPaintEvent *event) {
    be->lineNumberAreaPaintEvent(event);
}

void LineNumberArea::mousePressEvent(QMouseEvent *event) {
    be->lineNumberAreaMouseClickEvent(event);
}

void LineNumberArea::wheelEvent(QWheelEvent * event) {
    be->lineNumberAreaMouseWheelEvent(event);
}

void LineNumberArea::mouseMoveEvent(QMouseEvent *){
    repaint();
}

void LineNumberArea::leaveEvent(QEvent *){
    repaint();
}