text: /*
   * This source file is part of RmlUi, the HTML/CSS Interface Middleware
   *
   * For the latest information, see http://github.com/mikke89/RmlUi
   *
   * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
   * Copyright (c) 2019 The RmlUi Team, and contributors
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   *
   */
  
  #ifndef RMLUI_CORE_ELEMENTS_INPUTTYPERANGE_H
  #define RMLUI_CORE_ELEMENTS_INPUTTYPERANGE_H
  
  #include "InputType.h"
  
  namespace Rml {
  
  class WidgetSlider;
  
  /**
  	A range input type handler.
  
  	@author Peter Curry
   */
  
  class InputTypeRange : public InputType
  {
  public:
  	InputTypeRange(ElementFormControlInput* element);
  	virtual ~InputTypeRange();
  
  	/// Returns a string representation of the current value of the form control.
  	/// @return The value of the form control.
  	String GetValue() const override;
  
  	/// Called every update from the host element.
  	void OnUpdate() override;
  
  	/// Called every time the host element's size changes.
  	void OnResize() override;
  
  	/// Checks for necessary functional changes in the control as a result of changed attributes.
  	/// @param[in] changed_attributes The list of changed attributes.
  	/// @return True if no layout is required, false if the layout needs to be dirtied.
  	bool OnAttributeChange(const ElementAttributes& changed_attributes) override;
  
  	/// Checks for necessary functional changes in the control as a result of the event.
  	/// @param[in] event The event to process.
  	void ProcessDefaultAction(Event& event) override;
  
  	/// Sizes the dimensions to the element's inherent size.
  	/// @return True.
  	bool GetIntrinsicDimensions(Vector2f& dimensions, float& ratio) override;
  
  private:
  	WidgetSlider* widget;
  };
  
  } // namespace Rml
  #endif
  