legato_widget_progressbar.h

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/*******************************************************************************
 Module for Microchip Graphics Library - Legato User Interface Library
 
  Company:
    Microchip Technology Inc.
 
  File Name:
    legato_widget_progressbar.h
 
  Summary:
 
 
  Description:
    This module implements progress bar widget functions.
*******************************************************************************/
#ifndef LEGATO_PROGRESSBAR_H
#define LEGATO_PROGRESSBAR_H
 
#include "gfx/legato/common/legato_common.h"
 
#if LE_PROGRESSBAR_WIDGET_ENABLED == 1
 
#include "gfx/legato/widget/legato_widget.h"
 
// *****************************************************************************
// *****************************************************************************
// Section: Data Types and Constants
// *****************************************************************************
// *****************************************************************************
 
// *****************************************************************************
/* Enumeration:
    leProgressBarDirection
 
  Summary:
    Defines the valid values for the progress bar widget fill directions.
 
  Description:
 
 
  Remarks:
    None.
*/
typedef enum leProgressBarDirection
{
    LE_PROGRESSBAR_DIRECTION_RIGHT,
    LE_PROGRESSBAR_DIRECTION_UP,
    LE_PROGRESSBAR_DIRECTION_LEFT,
    LE_PROGRESSBAR_DIRECTION_DOWN
} leProgressBarDirection;
 
/* internal use only */typedef struct leProgressBarWidget leProgressBar;
// DOM-IGNORE-END
 
// *****************************************************************************
/* Function Pointer:
    leProgressBar_ValueChangedEventCallback
 
  Summary:
    Value changed event function callback type
*/
typedef void (*leProgressBar_ValueChangedEventCallback)(leProgressBar*, uint32_t);
 
/* internal use only */typedef struct leProgressBarWidget leProgressBarWidget;
 
#define LE_PROGRESSBARWIDGET_VTABLE(THIS_TYPE) \
    LE_WIDGET_VTABLE(THIS_TYPE) \
    \
    leProgressBarDirection (*getDirection)(const THIS_TYPE* _this); \
    leResult               (*setDirection)(THIS_TYPE* _this, leProgressBarDirection dir); \
    uint32_t               (*getValue)(const THIS_TYPE* _this); \
    leResult               (*setValue)(THIS_TYPE* _this, uint32_t value); \
    leProgressBar_ValueChangedEventCallback (*getValueChangedEventCallback)(const THIS_TYPE* _this); \
    leResult               (*setValueChangedCallback)(THIS_TYPE* _this, leProgressBar_ValueChangedEventCallback cb); \
    
typedef struct leProgressBarWidgetVTable
{
    LE_PROGRESSBARWIDGET_VTABLE(leProgressBarWidget)
} leProgressBarWidgetVTable; 
 
// *****************************************************************************
typedef struct leProgressBarWidget
{
    leWidget widget; // base widget class
 
    const leProgressBarWidgetVTable* fn;
 
    leProgressBarDirection direction; // the fill direction of the bar
 
    uint32_t value; // fill percentage
 
    leProgressBar_ValueChangedEventCallback cb; // value changed callback
} leProgressBarWidget;
 
 
// *****************************************************************************
// *****************************************************************************
// Section: Routines
// *****************************************************************************
// *****************************************************************************
 
LIB_EXPORT leProgressBarWidget* leProgressBarWidget_New();
 
LIB_EXPORT void leProgressBarWidget_Constructor(leProgressBarWidget* wgt);
 
#ifdef _DOXYGEN_
#define THIS_TYPE struct leWidget
 
// *****************************************************************************
virtual leProgressBarDirection getDirection(const leProgressBarWidget* _this);
 
 
// *****************************************************************************
virtual leResult setDirection(leProgressBarWidget* _this,
                              leProgressBarDirection dir);
 
 
 
 
// *****************************************************************************
virtual int32_t getValue(const leProgressBarWidget* _this);
 
 
// *****************************************************************************
virtual leResult setValue(leProgressBarWidget* _this,
                          uint32_t value);
 
 
virtual leProgressBar_ValueChangedEventCallback getValueChangedEventCallback
                                        (const leProgressBarWidget* _this);
 
virtual leResult setValueChangedCallback(leProgressBarWidget* _this,
                                         leProgressBar_ValueChangedEventCallback cb);
 
#undef THIS_TYPE
#endif
 
 
#endif // LE_PROGRESSBAR_WIDGET_ENABLED
#endif /* LEGATO_PROGRESSBAR_H */