Initial revision

1 files changed, 372 insertions, 0 deletions

diff --git a/microkde/kdeui/knumvalidator.cpp b/microkde/kdeui/knumvalidator.cpp
new file mode 100644
index 0000000..78a8471
--- a/dev/null
+++ b/microkde/kdeui/knumvalidator.cpp
@@ -0,0 +1,372 @@
+/**********************************************************************
+**
+** $Id$
+**
+** KIntValidator, KFloatValidator:
+**   Copyright (C) 1999 Glen Parker <glenebob@nwlink.com>
+** KDoubleValidator:
+**   Copyright (c) 2002 Marc Mutz <mutz@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 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
+**
+*****************************************************************************/
+
+#include <qwidget.h>
+#include <qstring.h>
+
+#include "knumvalidator.h"
+#include <klocale.h>
+#include <kglobal.h>
+#include <kdebug.h>
+
+///////////////////////////////////////////////////////////////
+//  Implementation of KIntValidator
+//
+
+KIntValidator::KIntValidator ( QWidget * parent, int base, const char * name )
+  : QValidator(parent, name)
+{
+  _base = base;
+  if (_base < 2) _base = 2;
+  if (_base > 36) _base = 36;
+
+  _min = _max = 0;
+}
+
+KIntValidator::KIntValidator ( int bottom, int top, QWidget * parent, int base, const char * name )
+  : QValidator(parent, name)
+{
+  _base = base;
+  if (_base > 36) _base = 36;
+
+  _min = bottom;
+  _max = top;
+}
+
+KIntValidator::~KIntValidator ()
+{}
+
+QValidator::State KIntValidator::validate ( QString &str, int & ) const
+{
+  bool ok;
+  int  val = 0;
+  QString newStr;
+
+  newStr = str.stripWhiteSpace();
+  if (_base > 10)
+    newStr = newStr.upper();
+
+  if (newStr == QString::fromLatin1("-")) // a special case
+    if ((_min || _max) && _min >= 0)
+      ok = false;
+    else
+      return QValidator::Acceptable;
+  else if (newStr.length())
+    val = newStr.toInt(&ok, _base);
+  else {
+    val = 0;
+    ok = true;
+  }
+
+  if (! ok)
+    return QValidator::Invalid;
+
+  if ((! _min && ! _max) || (val >= _min && val <= _max))
+    return QValidator::Acceptable;
+
+  if (_max && _min >= 0 && val < 0)
+    return QValidator::Invalid;
+
+  return QValidator::Valid;
+}
+
+void KIntValidator::fixup ( QString &str ) const
+{
+  int                dummy;
+  int                val;
+  QValidator::State  state;
+
+  state = validate(str, dummy);
+
+  if (state == QValidator::Invalid || state == QValidator::Acceptable)
+    return;
+
+  if (! _min && ! _max)
+    return;
+
+  val = str.toInt(0, _base);
+
+  if (val < _min) val = _min;
+  if (val > _max) val = _max;
+
+  str.setNum(val, _base);
+}
+
+void KIntValidator::setRange ( int bottom, int top )
+{
+  _min = bottom;
+  _max = top;
+
+	if (_max < _min)
+		_max = _min;
+}
+
+void KIntValidator::setBase ( int base )
+{
+  _base = base;
+  if (_base < 2) _base = 2;
+}
+
+int KIntValidator::bottom () const
+{
+  return _min;
+}
+
+int KIntValidator::top () const
+{
+  return _max;
+}
+
+int KIntValidator::base () const
+{
+  return _base;
+}
+
+
+///////////////////////////////////////////////////////////////
+//  Implementation of KFloatValidator
+//
+
+class KFloatValidatorPrivate
+{
+public:
+    KFloatValidatorPrivate()
+    {
+    }
+    ~KFloatValidatorPrivate()
+    {
+    }
+    bool acceptLocalizedNumbers;
+};
+
+
+KFloatValidator::KFloatValidator ( QWidget * parent, const char * name )
+  : QValidator(parent, name)
+{
+    d = new KFloatValidatorPrivate;
+    d->acceptLocalizedNumbers=false;
+    _min = _max = 0;
+}
+
+KFloatValidator::KFloatValidator ( double bottom, double top, QWidget * parent, const char * name )
+  : QValidator(parent, name)
+{
+    d = new KFloatValidatorPrivate;
+    d->acceptLocalizedNumbers=false;
+    _min = bottom;
+    _max = top;
+}
+
+KFloatValidator::KFloatValidator ( double bottom, double top, bool localeAware, QWidget * parent, const char * name )
+  : QValidator(parent, name)
+{
+    d = new KFloatValidatorPrivate;
+    d->acceptLocalizedNumbers = localeAware;
+    _min = bottom;
+    _max = top;
+}
+
+KFloatValidator::~KFloatValidator ()
+{
+     delete d;
+}
+
+void KFloatValidator::setAcceptLocalizedNumbers(bool _b)
+{
+    d->acceptLocalizedNumbers=_b;
+}
+
+bool KFloatValidator::acceptLocalizedNumbers() const
+{
+    return d->acceptLocalizedNumbers;
+}
+
+QValidator::State KFloatValidator::validate ( QString &str, int & ) const
+{
+  bool    ok;
+  double  val = 0;
+  QString newStr;
+  newStr = str.stripWhiteSpace();
+
+  if (newStr == QString::fromLatin1("-")) // a special case
+    if ((_min || _max) && _min >= 0)
+      ok = false;
+    else
+      return QValidator::Acceptable;
+  else if (newStr == QString::fromLatin1(".") || (d->acceptLocalizedNumbers && newStr==KGlobal::locale()->decimalSymbol())) // another special case
+    return QValidator::Acceptable;
+  else if (newStr.length())
+  {
+    val = newStr.toDouble(&ok);
+    if(!ok && d->acceptLocalizedNumbers)
+       val= KGlobal::locale()->readNumber(newStr,&ok);
+  }
+  else {
+    val = 0;
+    ok = true;
+  }
+
+  if (! ok)
+    return QValidator::Invalid;
+
+  if (( !_min && !_max) || (val >= _min && val <= _max))
+    return QValidator::Acceptable;
+
+  if (_max && _min >= 0 && val < 0)
+    return QValidator::Invalid;
+
+  if ( (_min || _max) && (val < _min || val > _max))
+    return QValidator::Invalid;
+
+  return QValidator::Valid;
+}
+
+void KFloatValidator::fixup ( QString &str ) const
+{
+  int                dummy;
+  double             val;
+  QValidator::State  state;
+
+  state = validate(str, dummy);
+
+  if (state == QValidator::Invalid || state == QValidator::Acceptable)
+    return;
+
+  if (! _min && ! _max)
+    return;
+
+  val = str.toDouble();
+
+  if (val < _min) val = _min;
+  if (val > _max) val = _max;
+
+  str.setNum(val);
+}
+
+void KFloatValidator::setRange ( double bottom, double top )
+{
+  _min = bottom;
+  _max = top;
+
+	if (_max < _min)
+		_max = _min;
+}
+
+double KFloatValidator::bottom () const
+{
+  return _min;
+}
+
+double KFloatValidator::top () const
+{
+  return _max;
+}
+
+
+
+
+///////////////////////////////////////////////////////////////
+//  Implementation of KDoubleValidator
+//
+
+class KDoubleValidator::Private {
+public:
+  Private( bool accept=true ) : acceptLocalizedNumbers( accept ) {}
+
+  bool acceptLocalizedNumbers;
+};
+
+KDoubleValidator::KDoubleValidator( QObject * parent, const char * name )
+  : QDoubleValidator( (QWidget*)parent, name ), d( 0 )
+{
+  d = new Private();
+}
+
+KDoubleValidator::KDoubleValidator( double bottom, double top, int decimals,
+				    QObject * parent, const char * name )
+  : QDoubleValidator( bottom, top, decimals, (QWidget*)parent, name ), d( 0 )
+{
+  d = new Private();
+}
+
+KDoubleValidator::~KDoubleValidator()
+{
+	delete d;
+}
+
+bool KDoubleValidator::acceptLocalizedNumbers() const {
+  return d->acceptLocalizedNumbers;
+}
+
+void KDoubleValidator::setAcceptLocalizedNumbers( bool accept ) {
+  d->acceptLocalizedNumbers = accept;
+}
+
+QValidator::State KDoubleValidator::validate( QString & input, int & p ) const {
+  QString s = input;
+  if ( acceptLocalizedNumbers() ) {
+    KLocale * l = KGlobal::locale();
+    // ok, we have to re-format the number to have:
+    // 1. decimalSymbol == '.'
+    // 2. negativeSign  == '-'
+    // 3. positiveSign  == <empty>
+    // 4. thousandsSeparator() == <empty> (we don't check that there
+    //    are exactly three decimals between each separator):
+    QString d = l->decimalSymbol(),
+            n = l->negativeSign(),
+            p = l->positiveSign(),
+            t = l->thousandsSeparator();
+    // first, delete p's and t's:
+    if ( !p.isEmpty() )
+      for ( int idx = s.find( p ) ; idx >= 0 ; idx = s.find( p, idx ) )
+	s.remove( idx, p.length() );
+
+
+    if ( !t.isEmpty() )
+      for ( int idx = s.find( t ) ; idx >= 0 ; idx = s.find( t, idx ) )
+	s.remove( idx, t.length() );
+
+    // then, replace the d's and n's
+    if ( ( !n.isEmpty() && n.find('.') != -1 ) ||
+	 ( !d.isEmpty() && d.find('-') != -1 ) ) {
+      // make sure we don't replace something twice:
+      kdWarning() << "KDoubleValidator: decimal symbol contains '-' or "
+		     "negative sign contains '.' -> improve algorithm" << endl;
+      return Invalid;
+    }
+
+    if ( !d.isEmpty() && d != "." )
+      for ( int idx = s.find( d ) ; idx >= 0 ; idx = s.find( d, idx + 1 ) )
+	s.replace( idx, d.length(), ".");
+
+    if ( !n.isEmpty() && n != "-" )
+      for ( int idx = s.find( n ) ; idx >= 0 ; idx = s.find( n, idx + 1 ) )
+	s.replace( idx, n.length(), "-" );
+  }
+
+  return base::validate( s, p );
+}
+
+//US #include "knumvalidator.moc"