lv_obj_style.h

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#ifndef LV_OBJ_STYLE_H
#define LV_OBJ_STYLE_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*********************
 *      INCLUDES
 *********************/
#include <stdint.h>
#include <stdbool.h>
#include "../misc/lv_bidi.h"
 
/*********************
 *      DEFINES
 *********************/
 
/**********************
 *      TYPEDEFS
 **********************/
/*Can't include lv_obj.h because it includes this header file*/
struct _lv_obj_t;
 
typedef enum {
    _LV_STYLE_STATE_CMP_SAME,           /*The style properties in the 2 states are identical*/
    _LV_STYLE_STATE_CMP_DIFF_REDRAW,    /*The differences can be shown with a simple redraw*/
    _LV_STYLE_STATE_CMP_DIFF_DRAW_PAD,  /*The differences can be shown with a simple redraw*/
    _LV_STYLE_STATE_CMP_DIFF_LAYOUT,    /*The differences can be shown with a simple redraw*/
} _lv_style_state_cmp_t;
 
typedef uint32_t lv_style_selector_t;
 
typedef struct {
    lv_style_t * style;
    uint32_t selector : 24;
    uint32_t is_local : 1;
    uint32_t is_trans : 1;
} _lv_obj_style_t;
 
typedef struct {
    uint16_t time;
    uint16_t delay;
    lv_style_selector_t selector;
    lv_style_prop_t prop;
    lv_anim_path_cb_t path_cb;
#if LV_USE_USER_DATA
    void * user_data;
#endif
} _lv_obj_style_transition_dsc_t;
 
/**********************
 * GLOBAL PROTOTYPES
 **********************/
 
void _lv_obj_style_init(void);
 
void lv_obj_add_style(struct _lv_obj_t * obj, lv_style_t * style, lv_style_selector_t selector);
 
void lv_obj_remove_style(struct _lv_obj_t * obj, lv_style_t * style, lv_style_selector_t selector);
 
static inline void lv_obj_remove_style_all(struct _lv_obj_t * obj)
{
    lv_obj_remove_style(obj, NULL, LV_PART_ANY | LV_STATE_ANY);
}
 
void lv_obj_report_style_change(lv_style_t * style);
 
void lv_obj_refresh_style(struct _lv_obj_t * obj, lv_part_t part, lv_style_prop_t prop);
 
void lv_obj_enable_style_refresh(bool en);
 
lv_style_value_t lv_obj_get_style_prop(const struct _lv_obj_t * obj, lv_part_t part, lv_style_prop_t prop);
 
void lv_obj_set_local_style_prop(struct _lv_obj_t * obj, lv_style_prop_t prop, lv_style_value_t value,
                                 lv_style_selector_t selector);
 
void lv_obj_set_local_style_prop_meta(struct _lv_obj_t * obj, lv_style_prop_t prop, uint16_t meta,
                                      lv_style_selector_t selector);
 
lv_style_res_t lv_obj_get_local_style_prop(struct _lv_obj_t * obj, lv_style_prop_t prop, lv_style_value_t * value,
                                           lv_style_selector_t selector);
 
bool lv_obj_remove_local_style_prop(struct _lv_obj_t * obj, lv_style_prop_t prop, lv_style_selector_t selector);
 
lv_style_value_t _lv_obj_style_apply_color_filter(const struct _lv_obj_t * obj, uint32_t part, lv_style_value_t v);
 
void _lv_obj_style_create_transition(struct _lv_obj_t * obj, lv_part_t part, lv_state_t prev_state,
                                     lv_state_t new_state, const _lv_obj_style_transition_dsc_t * tr);
 
_lv_style_state_cmp_t _lv_obj_style_state_compare(struct _lv_obj_t * obj, lv_state_t state1, lv_state_t state2);
 
void lv_obj_fade_in(struct _lv_obj_t * obj, uint32_t time, uint32_t delay);
 
void lv_obj_fade_out(struct _lv_obj_t * obj, uint32_t time, uint32_t delay);
 
lv_state_t lv_obj_style_get_selector_state(lv_style_selector_t selector);
 
lv_part_t lv_obj_style_get_selector_part(lv_style_selector_t selector);
 
#include "lv_obj_style_gen.h"
 
static inline void lv_obj_set_style_pad_all(struct _lv_obj_t * obj, lv_coord_t value, lv_style_selector_t selector)
{
    lv_obj_set_style_pad_left(obj, value, selector);
    lv_obj_set_style_pad_right(obj, value, selector);
    lv_obj_set_style_pad_top(obj, value, selector);
    lv_obj_set_style_pad_bottom(obj, value, selector);
}
 
static inline void lv_obj_set_style_pad_hor(struct _lv_obj_t * obj, lv_coord_t value, lv_style_selector_t selector)
{
    lv_obj_set_style_pad_left(obj, value, selector);
    lv_obj_set_style_pad_right(obj, value, selector);
}
 
static inline void lv_obj_set_style_pad_ver(struct _lv_obj_t * obj, lv_coord_t value, lv_style_selector_t selector)
{
    lv_obj_set_style_pad_top(obj, value, selector);
    lv_obj_set_style_pad_bottom(obj, value, selector);
}
 
static inline void lv_obj_set_style_pad_gap(struct _lv_obj_t * obj, lv_coord_t value, lv_style_selector_t selector)
{
    lv_obj_set_style_pad_row(obj, value, selector);
    lv_obj_set_style_pad_column(obj, value, selector);
}
 
static inline void lv_obj_set_style_size(struct _lv_obj_t * obj, lv_coord_t value, lv_style_selector_t selector)
{
    lv_obj_set_style_width(obj, value, selector);
    lv_obj_set_style_height(obj, value, selector);
}
 
lv_text_align_t lv_obj_calculate_style_text_align(const struct _lv_obj_t * obj, lv_part_t part, const char * txt);
 
 
/**********************
 *      MACROS
 **********************/
 
#ifdef __cplusplus
} /*extern "C"*/
#endif
 
#endif /*LV_OBJ_STYLE_H*/