Source: kfm.h


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/* This file is part of the KDE libraries
    Copyright (C) 1997 Torben Weis (weis@kde.org)

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
*/
#ifndef kfm_h
#define kfm_h

#include <qobject.h>
#include <qdialog.h>
#include <qlineedit.h>
#include <qpushbutton.h>
#include <qlabel.h>
#include <qstring.h>
#include <kurl.h>

#include "kfmclient_ipc.h"

class KDirEntry
{
public:
  QString name;
  QString access;
  QString date;
  QString owner;
  QString group;
  int size;
};

class KFM : public QObject
{
    Q_OBJECT
public:
    /**
     * This will not restart KFM if it is not running.
     * You have to call @ref #allowKFMRestart before
     * calling any other function. This will allow to
     * restart KFM on demand.
     */
    KFM();
    ~KFM();

    /*  Call setSilent(true) before you create a KFM instance
     *   if you don't want error messages on stderr 
     *   (useful e.g. to simply test if KFM is running or not)
     *  Default behaviour is NOT silent.
     */
    static void setSilent(bool _silent);

    /* This function is probably what you are looking for.  It can be
     * used to download a file from an arbitrary URL (source) to a
     * temporary file on the local filesystem (target). If the argument
     * for target is an empty string, download will generate a 
     * unique temporary filename in /tmp. Since target is a reference
     * to QString you can access this filename easily. Download will
     * return true if the download was successful, otherwise false.
     *
     * Special case:
     * If the url is of kind "file:" then no downloading is 
     * processed but the full filename returned in target.
     * That means: you _have_ to take care about the target argument.
     * (This is very comfortable, please see the example below.)
     *
     * Download is synchronous. That means you can use it like
     * this, (assuming u is a string which represents a URL and your
     * application has a loadFile function):
     * 
     *       QString s;
     *       if (KFM::download(u, s)){
     *         loadFile(s);
     *         KFM::removeTempFile(s);
     *       }
     *
     * Of course your user interface will still process exposure/repaint
     * events during the download.
     *
     * (Matthias) 
     */
    static bool download(const QString & src, QString & target);
    
    /* Remove the specified file if and only if it was created
     * by KFM as temporary file for a former download.
     * (Matthias)
     */
    static void removeTempFile(const QString & name);

    
    bool isOK() { return ok; }

    void refreshDesktop();
    void sortDesktop();
    void configure();
    void openURL();
    void openURL( const char *_url );
    void refreshDirectory( const char *_url );
    void openProperties( const char *_url );
    void exec( const char *_url, const char *_binding );
    void copy( const char *_src, const char *_dest );
    void move( const char *_src, const char *_dest );    

    void copyClient( const char *_src, const char *_dest );
    void moveClient( const char *_src, const char *_dest );    
    void list( const char *_url );

    // For KWM only
    void selectRootIcons( int _x, int _y, int _w, int _h, bool _add );
  
    /**
     * Allows this class to restart KFM if it is not running.
     */
    void allowKFMRestart( bool );
    /**
     * Tells wether a KFM is running.
     */
    bool isKFMRunning();
    
signals:    
    void finished();
    void error( int _kerror, const char *_text );
    void dirEntry( KDirEntry& _entry );

public slots:
    void slotFinished();
    void slotError( int _kerror, const char *_text );
    void slotDirEntry(const char* _name, const char* _access, const char* _owner,
		      const char* _group, const char* _date, int _size);
    
protected:
    void init();
    bool test();
    
    char flag;
    bool ok;
    bool allowRestart;
    
    KfmIpc *ipc;

    KDirEntry entry;

 private:
    bool downloadInternal(const QString & src, QString & target);
    QWidget* modal_hack_widget;
    bool download_state; /* to indicate wether the download was successful */
    static QStrList* tmpfiles;
    static bool silent;
};

/// Asking for a location
/**
  This class can be used to ask for a new filename or for
  an URL.
  */
class DlgLocation : public QDialog
{
    Q_OBJECT
public:
    /// Constructor
    /**
      Create a dialog that asks for a single line of text. _value is the initial
      value of the line. _text appears as label on top of the entry box.
      */
    DlgLocation( const char *_text, const char *_value, QWidget *parent = 0L );

    /// Return the value the user entered
    const char * getText() { return edit->text(); }

    /// The dialog is being resized
    void resizeEvent(QResizeEvent *e);

protected:
    /// The line edit widget and the two buttons
    QLineEdit *edit;
    QPushButton *ok;
    QPushButton *cancel;

};


/**
 * Return the name of the current display, usable for KFM's locking.
 */
QString displayName();


#endif

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