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https://github.com/lvgl/lvgl.git
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69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/**
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* @file lv_group.h
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*
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*/
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#ifndef LV_GROUP_H
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#define LV_GROUP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include "lv_conf.h"
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#include "lv_obj.h"
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/*********************
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* DEFINES
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*********************/
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/*Predefined keys to control the focused object via lv_group_send(group, c)*/
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/*For compatibility in signal function define the keys regardless to LV_OBJ_GROUP*/
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#define LV_GROUP_KEY_UP 17 /*0x11*/
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#define LV_GROUP_KEY_DOWN 18 /*0x12*/
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#define LV_GROUP_KEY_RIGHT 19 /*0x13*/
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#define LV_GROUP_KEY_LEFT 20 /*0x14*/
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#define LV_GROUP_KEY_ESC 33 /*0x1B*/
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#define LV_GROUP_KEY_ENTER 10 /*0x0A, '\n'*/
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#if LV_OBJ_GROUP != 0
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/**********************
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* TYPEDEFS
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**********************/
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typedef struct
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{
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ll_dsc_t obj_ll;
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lv_obj_t ** obj_focus;
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void (*style_mod)(lv_style_t * style);
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lv_style_t style_tmp;
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uint8_t frozen:1;
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}lv_group_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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lv_group_t * lv_group_create(void);
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void lv_group_add_obj(lv_group_t * group, lv_obj_t * obj);
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void lv_group_rem_obj(lv_obj_t * obj);
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void lv_group_focus_obj(lv_obj_t * obj);
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void lv_group_focus_next(lv_group_t * group);
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void lv_group_focus_prev(lv_group_t * group);
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void lv_group_focus_freeze(lv_group_t * group, bool en);
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void lv_group_send(lv_group_t * group, char c);
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lv_style_t * lv_group_mod_style(lv_group_t * group, const lv_style_t * style);
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lv_obj_t * lv_group_get_focused(lv_group_t * group);
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/**********************
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* MACROS
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**********************/
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#endif /*LV_OBJ_GROUP != 0*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_GROUP_H*/
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