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+/**********************************************************************
+**
+** $Id$
+**
+** Copyright (C) 1999 Glen Parker <glenebob@nwlink.com>
+** 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
+**
+*****************************************************************************/
+
+#ifndef __KNUMVALIDATOR_H
+#define __KNUMVALIDATOR_H
+
+#include <qvalidator.h>
+
+class QWidget;
+class QString;
+
+/**
+ *  @ref QValidator for integers.
+
+  This can be used by @ref QLineEdit or subclass to provide validated
+  text entry.  Can be provided with a base value (default is 10), to allow
+  the proper entry of hexadecimal, octal, or any other base numeric data.
+
+  @author Glen Parker <glenebob@nwlink.com>
+  @version 0.0.1
+*/
+class KIntValidator : public QValidator {
+
+  public:
+    /**
+      Constuctor.  Also sets the base value.
+    */
+    KIntValidator ( QWidget * parent, int base = 10, const char * name = 0 );
+    /**
+     * Constructor.  Also sets the minimum, maximum, and numeric base values.
+     */
+    KIntValidator ( int bottom, int top, QWidget * parent, int base = 10, const char * name = 0 );
+    /**
+     * Destructs the validator.
+     */
+    virtual ~KIntValidator ();
+    /**
+     * Validates the text, and return the result.  Does not modify the parameters.
+     */
+    virtual State validate ( QString &, int & ) const;
+    /**
+     * Fixes the text if possible, providing a valid string.  The parameter may be modified.
+     */
+    virtual void fixup ( QString & ) const;
+    /**
+     * Sets the minimum and maximum values allowed.
+     */
+    virtual void setRange ( int bottom, int top );
+    /**
+     * Sets the numeric base value.
+     */
+    virtual void setBase ( int base );
+    /**
+     * Returns the current minimum value allowed.
+     */
+    virtual int bottom () const;
+    /**
+     * Returns the current maximum value allowed.
+     */
+    virtual int top () const;
+    /**
+     * Returns the current numeric base.
+     */
+    virtual int base () const;
+
+  private:
+    int _base;
+    int _min;
+    int _max;
+
+};
+
+class KFloatValidatorPrivate;
+
+/**
+  @obsolete Use @ref KDoubleValidator
+
+  @ref QValidator for floating point entry.
+  Extends the QValidator class to properly validate double numeric data.
+  This can be used by @ref QLineEdit or subclass to provide validated
+  text entry.
+
+  @author Glen Parker <glenebob@nwlink.com>
+  @version 0.0.1
+*/
+class KFloatValidator : public QValidator {
+
+  public:
+    /**
+     * Constructor.
+     */
+    KFloatValidator ( QWidget * parent, const char * name = 0 );
+    /**
+     * Constructor.  Also sets the minimum and maximum values.
+     */
+    KFloatValidator ( double bottom, double top, QWidget * parent, const char * name = 0 );
+    /**
+     * Constructor.  Sets the validator to be locale aware if @p localeAware is true.
+     */
+    KFloatValidator ( double bottom, double top, bool localeAware, QWidget * parent, const char * name = 0 );
+    /**
+     * Destructs the validator.
+     */
+    virtual ~KFloatValidator ();
+    /**
+     * Validates the text, and return the result. Does not modify the parameters.
+     */
+    virtual State validate ( QString &, int & ) const;
+    /**
+     * Fixes the text if possible, providing a valid string. The parameter may be modified.
+     */
+    virtual void fixup ( QString & ) const;
+    /**
+     * Sets the minimum and maximum value allowed.
+     */
+    virtual void setRange ( double bottom, double top );
+    /**
+     * Returns the current minimum value allowed.
+     */
+    virtual double bottom () const;
+    /**
+     * Returns the current maximum value allowed.
+     */
+    virtual double top () const;
+    /**
+     * Sets the validator to be locale aware if @p is true. In this case, the
+     * character KLocale::decimalSymbol() from the global locale is recognized
+     * as decimal separator.
+     */
+    void setAcceptLocalizedNumbers(bool b);
+    /**
+     * Returns true if the validator is locale aware.
+     * @see setAcceptLocalizedNumbers().
+     */
+    bool acceptLocalizedNumbers() const;
+
+ private:
+    double _min;
+    double _max;
+
+    KFloatValidatorPrivate *d;
+};
+
+/**
+   KDoubleValidator extends @ref QDoubleValidator to be
+   locale-aware. That means that - subject to not being disabled -
+   @ref KLocale::decimalPoint(), @ref KLocale::thousandsSeparator()
+   and @ref KLocale::positiveSign() and @ref KLocale::negativeSign()
+   are respected.
+
+   @short A locale-aware @ref QDoubleValidator
+   @author Marc Mutz <mutz@kde.org>
+   @version $Id$
+   @see KIntValidator
+   @since 3.1
+**/
+
+class KDoubleValidator : public QDoubleValidator {
+  Q_OBJECT
+  Q_PROPERTY( bool acceptLocalizedNumbers READ acceptLocalizedNumbers WRITE setAcceptLocalizedNumbers )
+public:
+  /** Constuct a locale-aware KDoubleValidator with default range
+      (whatever @ref QDoubleValidator uses for that) and parent @p
+      parent */
+  KDoubleValidator( QObject * parent, const char * name=0 );
+  /** Constuct a locale-aware KDoubleValidator for range [@p bottom,@p
+      top] and a precision of @p decimals decimals after the decimal
+      point.  */
+  KDoubleValidator( double bottom, double top, int decimals,
+                    QObject * parent, const char * name=0 );
+  /** Destructs the validator.
+   */
+  virtual ~KDoubleValidator();
+
+  /** Overloaded for internal reasons. The API is not affected. */
+  virtual QValidator::State validate( QString & input, int & pos ) const;
+
+  /** @return whether localized numbers are accepted (default: true) */
+  bool acceptLocalizedNumbers() const;
+  /** Sets whether to accept localized numbers (default: true) */
+  void setAcceptLocalizedNumbers( bool accept );
+
+private:
+  typedef QDoubleValidator base;
+  class Private;
+  Private * d;
+};
+
+#endif