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/**
* Copyright (C) 1997-2003 the KGhostView authors. See file AUTHORS.
*
* 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.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __KGV_DOCUMENT_H__
#define __KGV_DOCUMENT_H__
#include <tqprinter.h>
#include <tqsize.h>
#include <tqstring.h>
#include "kgv.h"
#include "dscparse_adapter.h"
#include "kgv_view.h"
class KPrinter;
class KTempFile;
class Pdf2dsc;
class KGVDocument : public TQObject
{
TQ_OBJECT
public:
enum Format { PS, PDF };
KGVDocument( KGVPart* part, const char* name = 0 );
~KGVDocument();
void readSettings();
/**
* Is a file currently open?
*/
bool isOpen() const;
/**
* Open the @em local file @p filename asynchronously.
*/
void openFile( const TQString& filename, const TQString& mimetype );
/**
* Close the document.
*/
void close();
const TQString& fileName() const { return _fileName; }
FILE* psFile() { return _psFile; }
Format format() const { return _format; }
/**
* @return the document structure for the current document, or 0 if no
* file is loaded.
*/
KDSC* const dsc() const;
/**
* A list of page media (sizes).
*/
TQStringList mediaNames() const;
const CDSCMEDIA* findMediaByName( const TQString& mediaName ) const;
TQSize computePageSize( const TQString& pageMedia ) const;
static TQString pageSizeToString( TQPrinter::PageSize );
/**
* Returns a TQString which contains a range representation of @p pageList.
* Examples: [1,3] -> "1,3"
* [1,2,3] -> "1-3"
* [1,3,4,5,8] -> "1,3-5,8"
*/
static TQString pageListToRange( const KGV::PageList& );
public slots:
void fileChanged( const TQString& );
void saveAs();
void print();
signals:
/**
* Emitted if a fileChanged() call fails.
*/
void fileChangeFailed();
void completed();
void canceled( const TQString& );
protected:
void scanDSC();
void clearTemporaryFiles();
/**
* Tries to uncompress the file. Returns true if it uncompressed the file
* ( it changes _fileName to point to the uncompressed version of the file ).
* Else, it does nothing and returns false.
*
* What type of files this is able to uncompress will depend on the
* tdelibs installed. Generally it will work for .gz and .bz2
*/
bool uncompressFile();
void openPSFile(const TQString &file=TQString());
protected:
bool savePages( const TQString& saveFileName,
const KGV::PageList& pageList );
bool psCopyDoc( const TQString& inputFile, const TQString& outputFile,
const KGV::PageList& pageList );
bool convertFromPDF( const TQString& saveFileName,
unsigned int firstPage, unsigned int lastPage );
protected slots:
void doOpenFile();
void openPDFFileContinue( bool pdf2dscResult );
private:
FILE* _psFile;
TQString _fileName;
TQString _mimetype;
KGVPart* _part;
Format _format;
KTempFile* _tmpUnzipped;
KTempFile* _tmpFromPDF;
KTempFile* _tmpDSC;
Pdf2dsc* _pdf2dsc;
TQString _interpreterPath;
bool _isFileOpen;
KDSC* _dsc;
};
class Pdf2dsc : public TQObject
{
TQ_OBJECT
public:
Pdf2dsc( const TQString& ghostscriptPath, TQObject* parent = 0, const char* name = 0 );
~Pdf2dsc();
void run( const TQString& pdfName, const TQString& dscName );
void kill();
signals:
void finished( bool result );
protected slots:
void processExited();
private:
TDEProcess* _process;
TQString _ghostscriptPath;
};
inline KDSC* const KGVDocument::dsc() const
{
return _dsc;
}
inline bool KGVDocument::isOpen() const
{
return _isFileOpen;
}
#endif
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