lv_obj_class.h

Go to the documentation of this file.

 
#ifndef LV_OBJ_CLASS_H
#define LV_OBJ_CLASS_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*********************
 *      INCLUDES
 *********************/
#include <stdint.h>
#include <stdbool.h>
 
/*********************
 *      DEFINES
 *********************/
 
 
/**********************
 *      TYPEDEFS
 **********************/
 
struct _lv_obj_t;
struct _lv_obj_class_t;
struct _lv_event_t;
 
typedef enum {
    LV_OBJ_CLASS_EDITABLE_INHERIT,      
    LV_OBJ_CLASS_EDITABLE_TRUE,
    LV_OBJ_CLASS_EDITABLE_FALSE,
} lv_obj_class_editable_t;
 
typedef enum {
    LV_OBJ_CLASS_GROUP_DEF_INHERIT,      
    LV_OBJ_CLASS_GROUP_DEF_TRUE,
    LV_OBJ_CLASS_GROUP_DEF_FALSE,
} lv_obj_class_group_def_t;
 
typedef void (*lv_obj_class_event_cb_t)(struct _lv_obj_class_t * class_p, struct _lv_event_t * e);
typedef struct _lv_obj_class_t {
    const struct _lv_obj_class_t * base_class;
    void (*constructor_cb)(const struct _lv_obj_class_t * class_p, struct _lv_obj_t * obj);
    void (*destructor_cb)(const struct _lv_obj_class_t * class_p, struct _lv_obj_t * obj);
#if LV_USE_USER_DATA
    void * user_data;
#endif
    void (*event_cb)(const struct _lv_obj_class_t * class_p,
                     struct _lv_event_t * e);  
    lv_coord_t width_def;
    lv_coord_t height_def;
    uint32_t editable : 2;             
    uint32_t group_def : 2;            
    uint32_t instance_size : 16;
} lv_obj_class_t;
 
/**********************
 * GLOBAL PROTOTYPES
 **********************/
 
struct _lv_obj_t * lv_obj_class_create_obj(const struct _lv_obj_class_t * class_p, struct _lv_obj_t * parent);
 
void lv_obj_class_init_obj(struct _lv_obj_t * obj);
 
void _lv_obj_destruct(struct _lv_obj_t * obj);
 
bool lv_obj_is_editable(struct _lv_obj_t * obj);
 
bool lv_obj_is_group_def(struct _lv_obj_t * obj);
 
/**********************
 *      MACROS
 **********************/
 
 
#ifdef __cplusplus
} /*extern "C"*/
#endif
 
#endif /*LV_OBJ_CLASS_H*/