#ifndef _GUISLICE_EX_XTEMPLATE_H_
#define _GUISLICE_EX_XTEMPLATE_H_

#include "GUIslice.h"


// =======================================================================
// GUIslice library extension: Example template
// - Calvin Hass
// - https://www.impulseadventure.com/elec/guislice-gui.html
// - https://github.com/ImpulseAdventure/GUIslice
// =======================================================================
//
// The MIT License
//
// Copyright 2016-2020 Calvin Hass
//
// 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.
//
// =======================================================================
/// \file XTemplate.h

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus


// ============================================================================
// Extended Element: Example template
// ============================================================================

// Define unique identifier for extended element type
// - Select any number above GSLC_TYPE_BASE_EXTEND
#define  GSLC_TYPEX_TEMPLATE GSLC_TYPE_BASE_EXTEND + 12

/// Callback function for slider feedback
//typedef bool (*GSLC_CB_XTEMPLATE_POS)(void* pvGui,void* pvElem,int16_t nPos);

// Extended element data structures
// - These data structures are maintained in the gslc_tsElem
//   structure via the pXData pointer

/// Extended data for Slider element
typedef struct {
  // Config
  // Style config
  // State
  //int16_t         nPos;           ///< Example position value
  // Callbacks
  //GSLC_CB_XTEXTEX_POS pfuncXPos;  ///< Callback func ptr for position update
} gslc_tsXTemplate;


///
/// Create an Extended Text Field Element
///
/// \param[in]  pGui:        Pointer to GUI
/// \param[in]  nElemId:     Element ID to assign (0..16383 or GSLC_ID_AUTO to autogen)
/// \param[in]  nPage:       Page ID to attach element to
/// \param[in]  pXData:      Ptr to extended element data structure
/// \param[in]  rElem:       Rectangle coordinates defining element size
/// \param[in]  pStrBuf:     Ptr to string buffer
/// \param[in]  nStrBufMax:  Maximum buffer alength allocated to pStrBuf
/// \param[in]  nFontId:     ID of font to use for text output
///
/// \return Pointer to Element reference or NULL if failure
///
gslc_tsElemRef* gslc_ElemXTemplateCreate(gslc_tsGui* pGui, int16_t nElemId, int16_t nPage,
	gslc_tsXTemplate* pXData, gslc_tsRect rElem, char* pStrBuf, uint8_t nStrBufMax, int16_t nFontId);


///
/// Draw the template element on the screen
/// - Called from gslc_ElemDraw()
///
/// \param[in]  pvGui:       Void ptr to GUI (typecast to gslc_tsGui*)
/// \param[in]  pvElemRef:   Void ptr to Element (typecast to gslc_tsElemRef*)
/// \param[in]  eRedraw:     Redraw mode
///
/// \return true if success, false otherwise
///
bool gslc_ElemXTemplateDraw(void* pvGui,void* pvElemRef,gslc_teRedrawType eRedraw);

///
/// Handle touch events to template element
/// - Called from gslc_ElemSendEventTouch()
///
/// \param[in]  pvGui:       Void ptr to GUI (typecast to gslc_tsGui*)
/// \param[in]  pvElemRef:   Void ptr to Element ref (typecast to gslc_tsElemRef*)
/// \param[in]  eTouch:      Touch event type
/// \param[in]  nRelX:       Touch X coord relative to element
/// \param[in]  nRelY:       Touch Y coord relative to element
///
/// \return true if success, false otherwise
///
bool gslc_ElemXTemplateTouch(void* pvGui,void* pvElemRef,gslc_teTouch eTouch,int16_t nRelX,int16_t nRelY);

// ============================================================================

// ------------------------------------------------------------------------
// Read-only element macros
// ------------------------------------------------------------------------

// Macro initializers for Read-Only Elements in Flash/PROGMEM
//


#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _GUISLICE_EX_XTEMPLATE_H_