pageitem_latexframe.h

/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
/***************************************************************************
                        pageitem_latexframe.h  -  description
                        -------------------
copyright            : Scribus Team
***************************************************************************/

/***************************************************************************
*                                                                         *
*   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 PAGEITEM_LATEXFRAME_H
#define PAGEITEM_LATEXFRAME_H

#include <QObject>
#include <QWidget>
#include <QString>
#include <QProcess>
#include <QMap>

#include "scribusapi.h"
#include "pageitem.h"
#include "pageitem_imageframe.h"

class QTemporaryFile;
class LatexEditor;
class LatexConfigParser;
class QTimer;

class SCRIBUS_API PageItem_LatexFrame : public PageItem_ImageFrame
{
    Q_OBJECT

    public:
        PageItem_LatexFrame(ScribusDoc *pa, double x, double y, double w, double h, double w2, QString fill, QString outline);
        ~PageItem_LatexFrame();
        
        virtual PageItem_LatexFrame * asLatexFrame() { return this; }
        virtual bool isLatexFrame() const { return true; }

        virtual void clearContents();
        virtual ItemType realItemType() const { return PageItem::LatexFrame; }
        virtual void applicableActions(QStringList& actionList);
        virtual QString infoDescription();
        void layout();
        
        void restore(UndoState *state, bool isUndo);
        
        
        void runEditor();
        /*TODO void convertToVector(); */
        
        bool setFormula(QString formula, bool undoable=true);
        QString formula() const { return formulaText; }
        
        void runApplication();
        
        void rerunApplication(bool updateDisplay=false);
        
        QString configFile() const;
        void setConfigFile(QString newConfig, bool relative=false);
        QString application() const;
        bool usePreamble() const { return m_usePreamble; }
        int dpi() const { return m_dpi; }
        int realDpi() const;
        
        const QString output() const { return appStdout; }
        QProcess::ProcessState state() const { return latex->state(); }
        int error() const { return err; }

        QMap<QString,QString> editorProperties;
    protected:
        virtual void DrawObj_Item(ScPainter *p, QRectF e);
        double lastWidth, lastHeight;
        
        QString formulaText;

        void writeFileContents(QFile *tempfile);
        void deleteImageFile();
        /* Last error code */
        int err;
        int m_dpi;
        
        QString imageFile, tempFileBase;
        QString appStdout;
        QString configFilename;
        
        QProcess *latex;
        LatexEditor *internalEditor;
        LatexConfigParser *config;
        bool imgValid;
        bool m_usePreamble;
        bool killed;
    signals:
        void formulaAutoUpdate(QString oldText, QString newText);
        void latexFinished();
        void stateChanged(QProcess::ProcessState state);
        void applicationChanged();
    protected slots:
        void updateImage(int exitCode, QProcess::ExitStatus exitStatus);
        void latexError(QProcess::ProcessError error);
    public slots:
        void killProcess();
        void setDpi(int dpi);
        void setUsePreamble(bool);
};

#endif