LrdCodeEditor.h

/******************************************************************************
** Copyright (C) 2016-2018 The Qt Company with modifications by Laird
**
** Project: UwTerminalX
**
** Module: LrdCodeEditor.h
**
** Notes:
**
** License: 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, version 3.
**
**          This program 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 this program.  If not, see http://www.gnu.org/licenses/
**
*******************************************************************************/
#ifndef LRDCODEEDITOR_H
#define LRDCODEEDITOR_H

/******************************************************************************/
// Include Files
/******************************************************************************/
#include <QPlainTextEdit>
#include <QObject>
#include <QtWidgets>

/******************************************************************************/
// Constants
/******************************************************************************/
const qint8 IndicationAreaWidth = 11;

/******************************************************************************/
// Forward declaration of Class, Struct & Unions
/******************************************************************************/
QT_BEGIN_NAMESPACE
class QPaintEvent;
class QResizeEvent;
class QSize;
class QWidget;
QT_END_NAMESPACE
class LineNumberArea;

/******************************************************************************/
// Class definitions
/******************************************************************************/
class LrdCodeEditor : public QPlainTextEdit
{
    Q_OBJECT

public:
    LrdCodeEditor(
        QWidget *parent = 0
        );
    ~LrdCodeEditor(
        );
    void
    lineNumberAreaPaintEvent(
        QPaintEvent *event
        );
    void
    ClearBadLines(
        );
    void
    AddBadLine(
        unsigned int LineNumber
        );
    void
    SetExecutionLine(
        int LineNumber
        );
    void SetExecutionLineStatus(
        bool bStatus
        );

protected:
    void
    resizeEvent(
        QResizeEvent *event
        ) Q_DECL_OVERRIDE;
    void
    keyPressEvent(
        QKeyEvent *e
        ) Q_DECL_OVERRIDE;

private slots:
    void
    highlightCurrentLine(
        );
    void
    updateLineNumberArea(
        const QRect &, int
        );

private:
    QWidget *mwidIndicationArea;
    QList<unsigned int> mlistInvLines; //Contains a list of invalid lines
    int mintCLine; //Current execution line (if there is one)
    bool mbLineFail; //True if the current line is where the script failed or false if it is currently executing
};

class LineNumberArea : public QWidget
{
public:
    LineNumberArea(LrdCodeEditor *ceNewEditor) : QWidget(ceNewEditor)
    {
        mceEditor = ceNewEditor;
    }

    QSize sizeHint(
        ) const Q_DECL_OVERRIDE
    {
        return QSize(IndicationAreaWidth, 0);
    }

protected:
    void
    paintEvent(
        QPaintEvent *event
        ) Q_DECL_OVERRIDE
    {
        mceEditor->lineNumberAreaPaintEvent(event);
    }

private:
    LrdCodeEditor *mceEditor; //Handle for code editor
};

#endif // LRDCODEEDITOR_H

/******************************************************************************/
// END OF FILE
/******************************************************************************/