legato_widget_textfield.h

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/*******************************************************************************
 Module for Microchip Graphics Library - Legato User Interface Library
 
  Company:
    Microchip Technology Inc.
 
  File Name:
    legato_widget_textfield.h
 
  Summary:
 
 
  Description:
    This module implements text field widget functions.
*******************************************************************************/
 
#ifndef LEGATO_TEXTFIELD_H
#define LEGATO_TEXTFIELD_H
 
#include "gfx/legato/common/legato_common.h"
 
#if LE_TEXTFIELD_WIDGET_ENABLED == 1
 
#include "gfx/legato/widget/legato_editwidget.h"
#include "gfx/legato/string/legato_dynamicstring.h"
 
typedef struct leTextFieldWidget leTextFieldWidget;
 
// *****************************************************************************
/* Function Pointer:
    leTextFieldWidget_TextChangedCallback
 
  Summary:
    Text changed event function callback type
*/
typedef void (*leTextFieldWidget_TextChangedCallback)(leTextFieldWidget*);
 
// *****************************************************************************
/* Function Pointer:
    leTextFieldWidget_FocusChangedCallback
 
  Summary:
    Focus changed event function callback type
*/
typedef void (*leTextFieldWidget_FocusChangedCallback)(leTextFieldWidget*, leBool);
 
/* internal use only */typedef struct leTextFieldWidget leTextFieldWidget;
 
#define LE_TEXTFIELDWIDGET_VTABLE(THIS_TYPE) \
    LE_EDITWIDGET_VTABLE(THIS_TYPE) \
    \
    uint32_t   (*getCursorDelay)(const THIS_TYPE* _this); \
    leResult   (*setCursorDelay)(THIS_TYPE* _this, uint32_t dt); \
    leBool     (*getCursorEnabled)(const THIS_TYPE* _this); \
    leResult   (*setCursorEnabled)(THIS_TYPE* _this, leBool en); \
    uint32_t   (*getCursorPosition)(const THIS_TYPE* _this); \
    leResult   (*setCursorPosition)(THIS_TYPE* _this, uint32_t pos); \
    const leString* (*getString)(const THIS_TYPE* txt); \
    leResult   (*setString)(THIS_TYPE* _this, const leString* str); \
    leFont*    (*getFont)(const THIS_TYPE* _this); \
    leResult   (*setFont)(THIS_TYPE* _this, const leFont* fnt); \
    leString*  (*getHintString)(const THIS_TYPE* txt); \
    leResult   (*setHintString)(THIS_TYPE* _this, const leString* str); \
    leResult   (*setClearValueOnFirstEdit)(THIS_TYPE* _this, leBool clr); \
    leTextFieldWidget_TextChangedCallback (*getTextChangedEventCallback)(const THIS_TYPE* _this); \
    leResult   (*setTextChangedEventCallback)(THIS_TYPE* _this, leTextFieldWidget_TextChangedCallback cb); \
    leTextFieldWidget_FocusChangedCallback (*getFocusChangedEventCallback)(const THIS_TYPE* _this); \
    leResult   (*setFocusChangedEventCallback)(THIS_TYPE* _this, leTextFieldWidget_FocusChangedCallback cb); \
    
typedef struct leTextFieldWidgetVTable
{
    LE_TEXTFIELDWIDGET_VTABLE(leTextFieldWidget)
} leTextFieldWidgetVTable; 
 
// DOM-IGNORE-END
 
// *****************************************************************************
// *****************************************************************************
// Section: Data Types and Constants
// *****************************************************************************
// *****************************************************************************
 
// *****************************************************************************
typedef struct leTextFieldWidget
{
    leEditWidget editWidget; // edit widget base class
 
    const leTextFieldWidgetVTable* fn;
 
    const leString* hintText;
    leDynamicString text; // the text to edit
 
    uint32_t cursorPos; // current cursor position
    uint32_t cursorDelay; // cursor blink delay
    uint32_t cursorTime; // current cursor tick counter
    leBool cursorEnable; // cursor enabled flag
    leBool cursorVisible; // cursor visbility flag
    leBool clearOnFirstEdit; // needs clear on first edit
 
    leTextFieldWidget_TextChangedCallback textChangedEvent; // text changed event
    leTextFieldWidget_FocusChangedCallback focusChangedEvent; // focus changed event
} leTextFieldWidget;
 
// *****************************************************************************
// *****************************************************************************
// Section: Routines
// *****************************************************************************
// *****************************************************************************
 
LIB_EXPORT leTextFieldWidget* leTextFieldWidget_New();
 
LIB_EXPORT void leTextFieldWidget_Constructor(leTextFieldWidget* wgt);
 
 
#ifdef _DOXYGEN_
#define THIS_TYPE struct leWidget
 
 
// *****************************************************************************
virtual uint32_t getCursorDelay(const leTextFieldWidget* _this);
 
 
// *****************************************************************************
virtual leResult setCursorDelay(leTextFieldWidget* _this,
                                uint32_t dt);
 
// *****************************************************************************
virtual leBool getCursorEnabled(const leTextFieldWidget* _this);
 
// *****************************************************************************
virtual leResult setCursorEnabled(leTextFieldWidget* _this,
                                  leBool en);
 
 
// *****************************************************************************
virtual uint32_t getCursorPosition(const leTextFieldWidget* _this);
 
 
// *****************************************************************************
virtual leResult setCursorPosition(leTextFieldWidget* _this,
                                   uint32_t pos);
 
 
// *****************************************************************************
virtual const leString* getString(const leTextFieldWidget* txt);
 
 
// *****************************************************************************
virtual leResult setString(leTextFieldWidget* _this,
                           const leString* str);
 
// *****************************************************************************
virtual leFont* getFont(const leTextFieldWidget* _this);
 
 
// *****************************************************************************
virtual leResult setFont(leTextFieldWidget* _this,
                         const leFont* fnt);
 
 
// *****************************************************************************
virtual leString* getHintString(const leTextFieldWidget* _this);
 
 
// *****************************************************************************
virtual leResult setHintString(leTextFieldWidget* _this,
                               const leString* str);
 
// *****************************************************************************
virtual leResult setClearValueOnFirstEdit(leTextFieldWidget* _this,
                                          leBool clr);
 
 
virtual leTextFieldWidget_TextChangedCallback getTextChangedEventCallback
                                            (const leTextFieldWidget* _this);
 
virtual leResult setTextChangedEventCallback(leTextFieldWidget* _this,
                                             leTextFieldWidget_TextChangedCallback cb);
 
virtual leTextFieldWidget_FocusChangedCallback getFocusChangedEventCallback
                                                (const leTextFieldWidget* _this);
 
virtual leResult setFocusChangedEventCallback(leTextFieldWidget* _this,
                                              leTextFieldWidget_FocusChangedCallback cb);
 
#undef THIS_TYPE
#endif
 
#endif // LE_TEXTFIELD_WIDGET_ENABLED
#endif /* LEGATO_TEXTFIELD_H */