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_lv_obj_spec_attr_t struct
Special, rarely used attributes. They are allocated automatically if any elements is set.
Syntax
typedef struct
{
struct _lv_obj_t ** children;
uint32_t child_cnt;
lv_group_t * group_p;
struct _lv_event_dsc_t * event_dsc;
lv_point_t scroll;
lv_coord_t ext_click_pad;
lv_coord_t ext_draw_size;
lv_scrollbar_mode_t scrollbar_mode : 2;
lv_scroll_snap_t scroll_snap_x : 2;
lv_scroll_snap_t scroll_snap_y : 2;
lv_dir_t scroll_dir : 4;
uint8_t event_dsc_cnt : 6;
uint8_t layer_type : 2;
} _lv_obj_spec_attr_t;
Fields
Field
Declared as
Description
Dynamically allocated event callback and user data array.
Where to align the snappable children horizontally.
Where to align the snappable children vertically.
uint8_t : 2
Cache the layer type here. Element of @lv_intermediate_layer_type_t.