WidgetSliderInput.h

00001 /*
00002  * This source file is part of libRocket, the HTML/CSS Interface Middleware
00003  *
00004  * For the latest information, see http://www.librocket.com
00005  *
00006  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
00007  *
00008  * Permission is hereby granted, free of charge, to any person obtaining a copy
00009  * of this software and associated documentation files (the "Software"), to deal
00010  * in the Software without restriction, including without limitation the rights
00011  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00012  * copies of the Software, and to permit persons to whom the Software is
00013  * furnished to do so, subject to the following conditions:
00014  *
00015  * The above copyright notice and this permission notice shall be included in
00016  * all copies or substantial portions of the Software.
00017  * 
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00019  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00020  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00021  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00022  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00023  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00024  * THE SOFTWARE.
00025  *
00026  */
00027 
00028 #ifndef ROCKETCONTROLSWIDGETSLIDERINPUT_H
00029 #define ROCKETCONTROLSWIDGETSLIDERINPUT_H
00030 
00031 #include "WidgetSlider.h"
00032 
00033 namespace Rocket {
00034 namespace Controls {
00035 
00042 class WidgetSliderInput : public WidgetSlider
00043 {
00044 public:
00045         WidgetSliderInput(ElementFormControl* parent);
00046         virtual ~WidgetSliderInput();
00047 
00050         void SetValue(float value);
00053         float GetValue();
00054 
00057         void SetMinValue(float min_value);
00060         void SetMaxValue(float max_value);
00063         void SetStep(float step);
00064 
00066         void FormatElements();
00067 
00068 protected:
00072         virtual float OnBarChange(float bar_position);
00076         virtual float OnLineIncrement();
00080         virtual float OnLineDecrement();
00084         virtual float OnPageIncrement(float click_position);
00088         virtual float OnPageDecrement(float click_position);
00089 
00090 private:
00095         float SetValueInternal(float new_value);
00096 
00097         float value;
00098         float min_value;
00099         float max_value;
00100 
00101         float step;
00102 };
00103 
00104 }
00105 }
00106 
00107 #endif