ledger-secure-sdk/nbgl__touch_8h_source.html

#ifndef NBGL_TOUCH_H

#define NBGL_TOUCH_H


#ifdef __cplusplus

extern "C" {

#endif


/*********************

 *      INCLUDES

 *********************/

#include "nbgl_types.h"

#include "nbgl_obj.h"


/*********************

 *      DEFINES

 *********************/

// duration of a short touch on touch panel (in ms)

#define SHORT_TOUCH_DURATION 0

// duration of a long touch on touch panel (in ms)

#define LONG_TOUCH_DURATION  3000

/**********************

 *      TYPEDEFS

 **********************/


/**********************

 * GLOBAL PROTOTYPES

 **********************/

void nbgl_touchInit(bool fromUx);

void nbgl_touchHandler(bool fromUx, nbgl_touchStatePosition_t *touchEvent, uint32_t currentTimeMs);

bool nbgl_touchGetTouchedPosition(nbgl_obj_t                 *obj,

                                  nbgl_touchStatePosition_t **firstPos,

                                  nbgl_touchStatePosition_t **lastPos);

uint32_t    nbgl_touchGetTouchDuration(nbgl_obj_t *obj);

nbgl_obj_t *nbgl_touchGetObjectFromId(nbgl_obj_t *obj, uint8_t id);


/**********************

 *      MACROS

 **********************/


#ifdef __cplusplus

} /* extern "C" */

#endif


#endif /* NBGL_TOUCH_H */

nbgl_obj.h
API to draw all basic graphic objects.

nbgl_obj_t
struct PACKED__ nbgl_obj_s nbgl_obj_t
Common structure for all graphical objects.

nbgl_touchGetTouchedPosition
bool nbgl_touchGetTouchedPosition(nbgl_obj_t *obj, nbgl_touchStatePosition_t **firstPos, nbgl_touchStatePosition_t **lastPos)
Definition nbgl_touch.c:388

nbgl_touchGetObjectFromId
nbgl_obj_t * nbgl_touchGetObjectFromId(nbgl_obj_t *obj, uint8_t id)
parse all the children of the given object, recursively, until an object with the given touch if is f...
Definition nbgl_touch.c:419

nbgl_touchGetTouchDuration
uint32_t nbgl_touchGetTouchDuration(nbgl_obj_t *obj)
Definition nbgl_touch.c:402

nbgl_touchInit
void nbgl_touchInit(bool fromUx)
Function to initialize the touch context.
Definition nbgl_touch.c:272

nbgl_touchHandler
void nbgl_touchHandler(bool fromUx, nbgl_touchStatePosition_t *touchEvent, uint32_t currentTimeMs)
Function to be called periodically to check touchscreen state and coordinates.
Definition nbgl_touch.c:285

nbgl_types.h
common types for Graphical Library

nbgl_touchStatePosition_t
The low level Touchscreen event, coming from driver.
Definition nbgl_obj.h:227

uint8_t
unsigned char uint8_t
Definition usbd_conf.h:53