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tdepim/knode/utilities.h

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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 <tqfile.h>
#include <tqglobal.h>
#include <tqptrvector.h>
#include <tqptrlist.h>
class TQWidget;
class TQString;
class TQChar;
class TQStringList;
class TQSize;
class KTempFile;
//*****************************************************************************
// utility classes
//*****************************************************************************
/** clone of TQSortedList... */
template<class type> class TQ_EXPORT TQSortedVector : public TQPtrVector<type>
{
public:
TQSortedVector() {}
TQSortedVector ( uint size ) : TQPtrVector<type>(size) {}
TQSortedVector( const TQSortedVector<type> &l ) : TQPtrVector<type>(l) {}
~TQSortedVector() { TQPtrVector<type>::clear(); }
TQSortedVector<type> &operator=(const TQSortedVector<type> &l)
{ return (TQSortedVector<type>&)TQPtrList<type>::operator=(l); }
virtual int compareItems( TQPtrCollection::Item s1, TQPtrCollection::Item s2 )
{ if ( *((type*)s1) == *((type*)s2) ) return 0; return ( *((type*)s1) < *((type*)s2) ? -1 : 1 ); }
};
//==============================================================================
class KNFile : public TQFile {
public:
KNFile(const TQString& fname=TQString());
~KNFile();
const TQCString& readLine();
const TQCString& 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();
TQCString buffer;
char *dataPtr;
int filePos, readBytes;
};
//========================================================================================
class KNSaveHelper {
public:
KNSaveHelper(TQString saveName, TQWidget *tqparent);
~KNSaveHelper();
/** returns a file open for writing */
TQFile* getFile(const TQString &dialogTitle);
private:
TQWidget *p_arent;
TQString s_aveName;
KURL url;
TQFile* file;
KTempFile* tmpFile;
static TQString lastPath;
};
//========================================================================================
class KNLoadHelper {
public:
KNLoadHelper(TQWidget *tqparent);
~KNLoadHelper();
/** opens a file dialog and returns a file open for reading */
KNFile* getFile( const TQString &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(TQString) of setURL(url) was called */
KNFile* getFile()const { return f_ile; };
KURL getURL() const { return u_rl; };
private:
TQWidget *p_arent;
KURL u_rl;
KNFile *f_ile;
TQString t_empName;
static TQString 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(TQWidget *tqparent, const TQString &caption, const TQStringList &options, int initialValue);
static void saveWindowSize(const TQString &name, const TQSize &s);
static void restoreWindowSize(const TQString &name, TQWidget *d, const TQSize &defaultSize);
static const TQString encryptStr(const TQString& aStr);
static const TQString decryptStr(const TQString& aStr);
static TQString rot13(const TQString &s);
/** used for rewarping a text when replying to a message or inserting a file into a box */
static TQString rewrapStringList(TQStringList text, int wrapAt, TQChar quoteChar, bool stopAtSig, bool alwaysSpace);
/** use this for all internal files */
static void displayInternalFileError(TQWidget *w=0);
/** use this for all external files */
static void displayExternalFileError(TQWidget *w=0);
/** use this for remote files */
static void displayRemoteFileError(TQWidget *w=0);
/** use this for error on temporary files */
static void displayTempFileError(TQWidget *w=0);
};
#endif