float_property.cpp

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/*
 * Copyright (c) 2012, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 */

#include <float.h> // for FLT_MAX

#include <QtGlobal>

#include "rviz/properties/float_property.h"

namespace rviz
{
FloatProperty::FloatProperty(const QString& name,
                             float default_value,
                             const QString& description,
                             Property* parent,
                             const char* changed_slot,
                             QObject* receiver)
  : Property(name, default_value, description, parent, changed_slot, receiver)
  , min_(-FLT_MAX)
  , max_(FLT_MAX)
{
}

bool FloatProperty::setValue(const QVariant& new_value)
{
  return Property::setValue(qBound(min_, new_value.toFloat(), max_));
}

void FloatProperty::setMin(float min)
{
  min_ = min;
  setValue(getValue());
}

void FloatProperty::setMax(float max)
{
  max_ = max;
  setValue(getValue());
}

} // end namespace rviz