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/*
KNode, the KDE newsreader
Copyright (c) 1999-2005 the KNode authors.
See file AUTHORS for details
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.
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, US
*/
#ifndef UTILITIES_H
#define UTILITIES_H
#include <kurl.h>
#include <qfile.h>
#include <qglobal.h>
#include <qptrvector.h>
#include <qptrlist.h>
class QWidget;
class QString;
class QChar;
class QStringList;
class QSize;
class KTempFile;
//*****************************************************************************
// utility classes
//*****************************************************************************
/** clone of QSortedList... */
template<class type> class Q_EXPORT QSortedVector : public QPtrVector<type>
{
public:
QSortedVector() {}
QSortedVector ( uint size ) : QPtrVector<type>(size) {}
QSortedVector( const QSortedVector<type> &l ) : QPtrVector<type>(l) {}
~QSortedVector() { QPtrVector<type>::clear(); }
QSortedVector<type> &operator=(const QSortedVector<type> &l)
{ return (QSortedVector<type>&)QPtrList<type>::operator=(l); }
virtual int compareItems( QPtrCollection::Item s1, QPtrCollection::Item s2 )
{ if ( *((type*)s1) == *((type*)s2) ) return 0; return ( *((type*)s1) < *((type*)s2) ? -1 : 1 ); }
};
//==============================================================================
class KNFile : public QFile {
public:
KNFile(const QString& fname=QString::null);
~KNFile();
const QCString& readLine();
const QCString& readLineWnewLine();
/** searches for the string from the current file position
returns -1 when the string wasn't found. */
int findString(const char *s);
protected:
bool increaseBuffer();
QCString buffer;
char *dataPtr;
int filePos, readBytes;
};
//========================================================================================
class KNSaveHelper {
public:
KNSaveHelper(QString saveName, QWidget *parent);
~KNSaveHelper();
/** returns a file open for writing */
QFile* getFile(const QString &dialogTitle);
private:
QWidget *p_arent;
QString s_aveName;
KURL url;
QFile* file;
KTempFile* tmpFile;
static QString lastPath;
};
//========================================================================================
class KNLoadHelper {
public:
KNLoadHelper(QWidget *parent);
~KNLoadHelper();
/** opens a file dialog and returns a file open for reading */
KNFile* getFile( const QString &dialogTitle );
/** tries to access the file specified by the url and returns
a file open for reading */
KNFile* setURL(KURL url);
/** returns the file after getFile(QString) of setURL(url) was called */
KNFile* getFile()const { return f_ile; };
KURL getURL() const { return u_rl; };
private:
QWidget *p_arent;
KURL u_rl;
KNFile *f_ile;
QString t_empName;
static QString l_astPath;
};
//========================================================================================
class KNHelper {
public:
/** list selection dialog, used instead of a popup menu
when a select action is called via the keyboard.
returns -1 when the user canceled the dialog. */
static int selectDialog(QWidget *parent, const QString &caption, const QStringList &options, int initialValue);
static void saveWindowSize(const QString &name, const QSize &s);
static void restoreWindowSize(const QString &name, QWidget *d, const QSize &defaultSize);
static const QString encryptStr(const QString& aStr);
static const QString decryptStr(const QString& aStr);
static QString rot13(const QString &s);
/** used for rewarping a text when replying to a message or inserting a file into a box */
static QString rewrapStringList(QStringList text, int wrapAt, QChar quoteChar, bool stopAtSig, bool alwaysSpace);
/** use this for all internal files */
static void displayInternalFileError(QWidget *w=0);
/** use this for all external files */
static void displayExternalFileError(QWidget *w=0);
/** use this for remote files */
static void displayRemoteFileError(QWidget *w=0);
/** use this for error on temporary files */
static void displayTempFileError(QWidget *w=0);
};
#endif
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