Source: krestrictedline.h

# Source: krestrictedline.h |
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    /*
     *
     * $Id: krestrictedline.h,v 1.11 2002/03/04 00:51:51 lunakl Exp $
     *
     * Definition of KRestrictedLine
     *
     * Copyright (C) 1997 Michael Wiedmann,
     *
     * 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; if not, write to the Free
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     *
     */

    #ifndef KRESTRICTEDLINE_H
    #define KRESTRICTEDLINE_H

    #include

    /**
     * The KRestrictedLine widget is a variant of @ref QLineEdit which
     * accepts only a restricted set of characters as input.
     * All other characters will be discarded and the signal @ref #invalidChar()
     * will be emitted for each of them.
     *
     * Valid characters can be passed as a QString to the constructor
     * or set afterwards via @ref #setValidChars().
     * The default key bindings of @ref QLineEdit are still in effect.
     *
     * @short A line editor for restricted character sets.
     * @author Michael Wiedmann
     * @version 0.0.1
     */
    class KRestrictedLine : public KLineEdit
    {
      Q_OBJECT
      Q_PROPERTY( QString validChars READ validChars WRITE setValidChars )

    public:

      /**
       * Constructor: This contructor takes three - optional - arguments.
       *  The first two parameters are simply passed on to @ref QLineEdit.
       *  @param parent   pointer to the parent widget
       *  @param name     pointer to the name of this widget
       *  @param valid    pointer to set of valid characters
       */
      KRestrictedLine( QWidget *parent=0, const char *name=0,
    		   const QString& valid = QString::null);

      /**
       * Destructs the restricted line editor.
       */
      ~KRestrictedLine();

      /**
       * All characters in the string valid are treated as
       * acceptable characters.
       */
      void setValidChars(const QString& valid);
      /**
       * @return the string of acceptable characters.
       */
      QString validChars() const;

    signals:

      /**
       * Emitted when an invalid character was typed.
       */
      void	invalidChar(int);

    protected:
      /**
       * @reimplemented
       */
      void	keyPressEvent( QKeyEvent *e );

    private:
      /// QString of valid characters for this line
      QString	qsValidChars;
    protected:
      virtual void virtual_hook( int id, void* data );
    private:
      class KRestrictedLinePrivate* d;
    };

    #endif // KRESTRICTEDLINE_H

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