KDE 3.5 API Reference kdeui
krestrictedline.cpp
Go to the documentation of this file.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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"
