GUISlider.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef GUISLIDER__H_
#define GUISLIDER__H_
 
#include "GUIBaseSlider.h"
#include "GUIImageResource.h"
#include "GUINinePatch.h"
#include "GUICommonEnums.h"
 
// @guiliani_doxygen toplevel_control Slider
// @endguiliani_doxygen
class CGUISlider :
    public CGUIBaseSlider
{
public:
    CGUISlider(
        CGUICompositeObject* const pkParent,
        const eC_Value& vX, const eC_Value& vY,
        const eC_Value& vWidth, const eC_Value& vHeight,
        const eC_Int &iValue,
        const eC_Int &iMin,
        const eC_Int &iMax,
        const eC_UInt &uiStepSize,
        const CGUIRange::Base_t &eBase = CGUIRange::BASE_AT_MINIMUM,
        const CGUICommonEnums::Orientation_t &eStyle = CGUICommonEnums::OR_HORIZONTAL,
        const ObjectHandle_t &eID = NO_HANDLE);
 
    CGUISlider(
        CGUICompositeObject* const pkParent,
        const CGUIRect &kRect,
        const eC_Int &iValue,
        const eC_Int &iMin,
        const eC_Int &iMax,
        const eC_UInt &uiStepSize,
        const CGUIRange::Base_t &eBase = CGUIRange::BASE_AT_MINIMUM,
        const CGUICommonEnums::Orientation_t &eStyle = CGUICommonEnums::OR_HORIZONTAL,
        const ObjectHandle_t &eID = NO_HANDLE);
 
    CGUISlider(const CGUISlider& kSource);
 
    CGUISlider& operator=(const CGUISlider& kSource);
 
    virtual ~CGUISlider();
 
#ifdef GUILIANI_STREAM_GUI
    CGUISlider();
 
    virtual void ReadFromStream();
#endif
#ifdef GUILIANI_WRITE_GUI
    virtual void WriteToStream(const eC_Bool bWriteClassID = false);
#endif
 
    void SetImages(
        const ImageResource_t &eSldBG, const ImageResource_t &eSldKnobNormal,
        const ImageResource_t &eSldKnobHighlighted, const ImageResource_t &eSldKnobPressed,
        const ImageResource_t &eSldKnobGrayedOut = DUMMY_IMAGE);
 
    eC_Bool DoDraw();
 
    inline void SetBackgroundMargin(const eC_Value& vBkgndMargin)
    {
        m_vBkgndMargin = vBkgndMargin;
    }
 
    inline void AdjustBackgroundMarginToMiddleOfKnob()
    {
        if (m_eStyle == CGUICommonEnums::OR_VERTICAL)
        {
            m_vBkgndMargin = eC_Div(GetKnobSizeVertical(), eC_FromInt(2));
        }
        else
        {
            m_vBkgndMargin = eC_Div(GetKnobSizeHorizontal(), eC_FromInt(2));
        }
    }
 
    CGUINinePatch& GetNinePatch()
    {
        return m_kNinePatch;
    }
 
    void SetStretchImages(const eC_Bool& bStretchImages);
 
protected:
#ifndef GUILIANI_STREAM_GUI
    CGUISlider();
#endif
 
    ImageResource_t m_eSldBG;              
 
    ImageResource_t m_eSldKnobNormal;      
    ImageResource_t m_eSldKnobHighlighted; 
    ImageResource_t m_eSldKnobPressed;     
    ImageResource_t m_eSldKnobGrayedOut;   
 
    CGUINinePatch   m_kNinePatch; 
 
private:
    void SetStandardImages();
 
    inline void Init();
 
    inline void CopyAttributes(const CGUISlider& kSource);
 
    void DeInit();
 
    eC_Value m_vBkgndMargin;
 
    eC_Bool m_bStretchImages;
};
#endif