/*
 *  Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@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 version 2 as published by the Free Software Foundation.
 *
 *  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., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 **/
// ------------------------------- Description ----------------------------
// This is the KMultiFormListBox Widget. You do not need to inheret from this class,
// your interface to it will be through the methods `append` and `elements'.
//
// To make an instance of the widget, you need to inherit the classes
// `KMultiFormListBoxFactory' and `KMultiFormListBoxEntry'.
// ------------------------------------------------------------------------
#ifndef __tdemultiformlistboxmultivisble
#define __tdemultiformlistboxmultivisble

// -------------------------------- includes ------------------------------
#include "tdemultiformlistbox.h"
//-------------------------------------------------------------------------

/**
   @internal
*/
class KMultiFormListBoxMultiVisible :public TQScrollView, KMultiFormListBoxShower {

TQ_OBJECT
  

friend class KMultiFormListBox;

private:
  /**
		 @param factory A factory used to generate the instances of KMultiFormListBoxEntry
		 class which is repeated in the KMultiFormListBox
		 @param parent A pointer to the parent widget
  */
  KMultiFormListBoxMultiVisible(KMultiFormListBoxFactory *factory, TQWidget *parent = 0, const char *name = 0);

  /**
		 @return The elements in the KMultiFormListBox
  */
  KMultiFormListBoxEntryList elements();
  void append(KMultiFormListBoxEntry *);

  TQWidget* qWidget() { return this; }


public slots:

  /**
		 This slot should be connected to a button which lets the user know that
		 he may get more elements in this KMultiFormListBox by pressing it.
		 The button should be labeled ``More Entries'' or something similar.
  */
  void addElement(); // Adds an empty element to the KMultiFormListBox


protected slots:

  /**
     When this slot is invoked then the Idx menu will be shown.
     @param elm The KMultiFormListBoxEntry element where the Idx button was
     pressed. This information is necessary to be able to calculate the
     location where the drop down menu should be shown
  */
  void showIndexList(KMultiFormListBoxEntry *elm);

protected:
  /**
     Copies the element pointed to by which to the clipboard and removes it
     from the interface.
     This function is accessed from the class @ref CCP.
     @param which A pointer to the element to cut.
  */
  void cut(KMultiFormListBoxEntry *which);

  /**
     Copies the element pointed to by which to the clipboard.
     This function is accessed from the class @ref CCP.
     @param which A pointer to the element to copied.
  */
  void copy(KMultiFormListBoxEntry *which);

  /**
     Paste the element from the clipboard to the KMultiFormListBox
     This function is accessed from the class @ref CCP.
     @param which A pointer to the KMultiFormListBoxEntry element which the
     clipboard element should be inserted before,.
  */
  void paste(KMultiFormListBoxEntry *which);

  /**
     Inserts an empty KMultiFormListBoxEntry into the widget.
     @param which A pointer to the element which the new empty widget
     should be inserted before.
   */

  void addElement(KMultiFormListBoxEntry *);

  friend class CCP;

  virtual void resizeEvent(TQResizeEvent *);
  void addElemBefore(KMultiFormListBoxEntry *newElm, TQWidget *existing);
  void insertElmIntoWidget(KMultiFormListBoxEntry *elm, KMultiFormListBoxEntry *after);
  void showWidget(KMultiFormListBoxEntry *elm);
  void delElement(TQWidget *);
  void delAnElement();
  void addElemBefore(KMultiFormListBoxEntry *newElm, KMultiFormListBoxEntry *existing);
  void updateClipperContent();
  int countElements(WidgetList *);



private:
  // Instance variables

  KMultiFormListBoxFactory *factory;
  WidgetList *elms;
  TQPushButton *addBut;
  TQByteArray clipboard;
};


#endif /* tdemultiformlistboxmultivisble */

