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/*
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;
/** @brief Displays all kinds of content generated by external programs.
Named LatexFrame because it initally only showed the output of Latex.
*/
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();
/** @brief Perform undo/redo action */
void restore(UndoState *state, bool isUndo);
/** @brief UI-Callback that runs the editor. */
void runEditor();
/*TODO void convertToVector(); */
/** @brief Sets the formula text and forces rerunning latex.
Emits formulaAutoUpdate() when undoable is false.
@return Returns true if the frame has to be updated, false if nothing changed.
*/
bool setFormula(QString formula, bool undoable=true);
/** @brief Get current source. */
QString formula() const { return formulaText; }
/** @brief Runs the external application and sets internal vars and loads
the image.*/
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 sc);
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
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