latexeditor.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.
*/
/***************************************************************************
                        latexeditor.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 LATEXEDITOR_H
#define LATEXEDITOR_H

#include "ui_latexeditor.h"
#include "scribusapi.h"
#include <QWidget>
#include <QProcess>
#include <QMap>
#include <QPushButton>
#include <QStringList>

class PageItem_LatexFrame;
class LatexHighlighter;
class I18nXmlStreamReader;
class QComboBox;
class QListWidgetItem;
class QFile;
class XmlWidget;
class FileWatcher;

class SCRIBUS_API LatexEditor : public QDialog, Ui::LatexEditor
{
        Q_OBJECT
    public:
        LatexEditor ( PageItem_LatexFrame * );
        ~LatexEditor();
        virtual void changeEvent ( QEvent *e );
        void startEditor();
        void exitEditor();
        void revert();
        void apply ( bool force=false );
        void initialize();
        static QIcon icon ( QString config, QString fn );
        static QString iconFile ( QString config );
    protected:
        PageItem_LatexFrame *frame;
        LatexHighlighter *highlighter;
        void loadSettings();
        void createNewSettingsTab ( I18nXmlStreamReader *xml );
        void createNewItemsTab ( I18nXmlStreamReader *xml );
        QMap<QString, XmlWidget *> widgetMap;
        QString currentConfigFile, currentIconFile;
        /*External Editor*/
        QString extEditorFile;
        void loadExternalEditorFile();
        void writeExternalEditorFile();
        QProcess *extEditor;
        FileWatcher *fileWatcher;
    protected slots:
        void extEditorFinished ( int exitCode, QProcess::ExitStatus exitStatus );
        void extEditorFileChanged ( QString filename );
        void extEditorError ( QProcess::ProcessError error );
    public slots:
        void okClicked();
        void cancelClicked();
        void updateClicked ( bool );
        void revertClicked ( bool );
        void formulaChanged ( QString, QString );
        void applicationChanged();
        void latexFinished();
        void stateChanged ( QProcess::ProcessState );
        //Slots for the dynamic interface
        void tagButtonClicked ( QString );
        void insertButtonClicked ( QObject * );
        void newItemSelected ( QListWidgetItem *, QListWidgetItem * );
        void itemDoubleClicked ( QListWidgetItem * );
        void updateConfigFile();
        void extEditorClicked();
};


class SCRIBUS_API DataPushButton : public QPushButton
{
        Q_OBJECT
    public:
        DataPushButton ( QString caption, QObject *data, bool deleteOnDestroy=false ) :
                QPushButton ( caption ), data ( data ), del ( deleteOnDestroy )
        {
            connect ( this, SIGNAL ( clicked ( bool ) ), this, SLOT ( buttonClicked ( bool ) ) );
        }
        ~DataPushButton()
        {
            if ( del ) delete data;
        }
    protected:
        QObject *data;
        bool del;
    private slots:
        void buttonClicked ( bool checked )
        {
            emit clickedWithData ( data );
        }
    signals:
        void clickedWithData ( QObject *data );
};

class SCRIBUS_API StringPushButton : public QPushButton
{
        Q_OBJECT
    public:
        StringPushButton ( QString caption, QString data ) :
                QPushButton ( caption ), data ( data )
        {
            connect ( this, SIGNAL ( clicked ( bool ) ), this, SLOT ( buttonClicked ( bool ) ) );
        }
    protected:
        QString data;
    private slots:
        void buttonClicked ( bool checked )
        {
            emit clickedWithData ( data );
        }
    signals:
        void clickedWithData ( QString data );
};

class SCRIBUS_API XmlWidget
{
    public:
        static XmlWidget *fromXml ( I18nXmlStreamReader *xml );
        XmlWidget ( I18nXmlStreamReader *xml, bool readDescription=true );
        virtual ~XmlWidget() {};
        QString name() const { return m_name; }
        QString description() const { return m_description; }
        QString defaultValue() const { return m_defaultValue; }
        virtual QString toString() const { return ""; }
        virtual void fromString ( QString str ) {};
    protected:
        QString m_name;
        QString m_description;
        QString m_defaultValue;
};

class SCRIBUS_API IconBuffer
{
    public:
        IconBuffer() { len = 0; basePos = 0; file = 0; }
        static IconBuffer *instance();
        void loadFile ( QString filename );
        QIcon *icon ( QString filename, QString name );
    protected:
        QFile *file;
        QMap<QString, QIcon> icons;
        QStringList loadedFiles;
        QString readHeader();
        QIcon readData();
        int len, basePos;
        static IconBuffer *_instance;
};

#endif