krestrictedline.cpp
00001 /* 00002 * 00003 * $Id: krestrictedline.cpp,v 1.11 2002/03/04 00:51:51 lunakl Exp $ 00004 * 00005 * Implementation of KRestrictedLine 00006 * 00007 * Copyright (C) 1997 Michael Wiedmann, <mw@miwie.in-berlin.de> 00008 * 00009 * This library is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU Library General Public 00011 * License as published by the Free Software Foundation; either 00012 * version 2 of the License, or (at your option) any later version. 00013 * 00014 * This library is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 * Library General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU Library General Public 00020 * License along with this library; if not, write to the Free 00021 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 * 00023 */ 00024 00025 #include <qkeycode.h> 00026 00027 #include "krestrictedline.h" 00028 00029 KRestrictedLine::KRestrictedLine( QWidget *parent, 00030 const char *name, 00031 const QString& valid ) 00032 : KLineEdit( parent, name ) 00033 { 00034 qsValidChars = valid; 00035 } 00036 00037 KRestrictedLine::~KRestrictedLine() 00038 { 00039 ; 00040 } 00041 00042 00043 void KRestrictedLine::keyPressEvent( QKeyEvent *e ) 00044 { 00045 // let QLineEdit process "special" keys and return/enter 00046 // so that we still can use the default key binding 00047 if (e->key() == Key_Enter || e->key() == Key_Return || e->key() == Key_Delete || e->ascii() < 32) 00048 { 00049 QLineEdit::keyPressEvent(e); 00050 return; 00051 } 00052 00053 // do we have a list of valid chars && 00054 // is the pressed key in the list of valid chars? 00055 if (!qsValidChars.isEmpty() && !qsValidChars.contains(e->ascii())) 00056 { 00057 // invalid char, emit signal and return 00058 emit (invalidChar(e->key())); 00059 return; 00060 } 00061 else 00062 // valid char: let QLineEdit process this key as usual 00063 QLineEdit::keyPressEvent(e); 00064 00065 return; 00066 } 00067 00068 00069 void KRestrictedLine::setValidChars( const QString& valid) 00070 { 00071 qsValidChars = valid; 00072 } 00073 00074 QString KRestrictedLine::validChars() const 00075 { 00076 return qsValidChars; 00077 } 00078 00079 void KRestrictedLine::virtual_hook( int id, void* data ) 00080 { KLineEdit::virtual_hook( id, data ); } 00081 00082 #include "krestrictedline.moc"