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# krestrictedline.cpp

    00001 /*
    00002  *
    00003  *
    00004  * Implementation of KRestrictedLine
    00005  *
    00006  * Copyright (C) 1997 Michael Wiedmann, <mw@miwie.in-berlin.de>
    00007  *
    00008  * This library is free software; you can redistribute it and/or
    00009  * modify it under the terms of the GNU Library General Public
    00010  * License as published by the Free Software Foundation; either
    00011  * version 2 of the License, or (at your option) any later version.
    00012  *
    00013  * This library is distributed in the hope that it will be useful,
    00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00016  * Library General Public License for more details.
    00017  *
    00018  * You should have received a copy of the GNU Library General Public
    00019  * License along with this library; if not, write to the Free
    00020  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00021  *
    00022  */
    00023
    00024 #include <qkeycode.h>
    00025
    00026 #include "krestrictedline.h"
    00027
    00028 KRestrictedLine::KRestrictedLine( QWidget *parent,
    00029                   const char *name,
    00030                   const QString& valid )
    00031   : KLineEdit( parent, name )
    00032 {
    00033     qsValidChars = valid;
    00034 }
    00035
    00036 KRestrictedLine::~KRestrictedLine()
    00037 {
    00038   ;
    00039 }
    00040
    00041
    00042 void KRestrictedLine::keyPressEvent( QKeyEvent *e )
    00043 {
    00044   // let QLineEdit process "special" keys and return/enter
    00045   // so that we still can use the default key binding
    00046   if (e->key() == Key_Enter || e->key() == Key_Return || e->key() == Key_Delete || e->ascii() < 32)
    00047     {
    00048       QLineEdit::keyPressEvent(e);
    00049       return;
    00050     }
    00051
    00052   // do we have a list of valid chars &&
    00053   // is the pressed key in the list of valid chars?
    00054   if (!qsValidChars.isEmpty() && !qsValidChars.contains(e->ascii()))
    00055     {
    00056       // invalid char, emit signal and return
    00057       emit (invalidChar(e->key()));
    00058       return;
    00059     }
    00060   else
    00061     // valid char: let QLineEdit process this key as usual
    00062     QLineEdit::keyPressEvent(e);
    00063
    00064   return;
    00065 }
    00066
    00067
    00068 void KRestrictedLine::setValidChars( const QString& valid)
    00069 {
    00070   qsValidChars = valid;
    00071 }
    00072
    00073 QString KRestrictedLine::validChars() const
    00074 {
    00075   return qsValidChars;
    00076 }
    00077
    00078 void KRestrictedLine::virtual_hook( int id, void* data )
    00079 { KLineEdit::virtual_hook( id, data ); }
    00080
    00081 #include "krestrictedline.moc"

This file is part of the documentation for kdeui Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
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