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hekate/bdk/libs/lvgl/lv_objx/lv_btnm.h

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/**
* @file lv_btnm.h
*
*/
#ifndef LV_BTNM_H
#define LV_BTNM_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#ifdef LV_CONF_INCLUDE_SIMPLE
#include "lv_conf.h"
#else
#include "../../lv_conf.h"
#endif
#if USE_LV_BTNM != 0
#include "../lv_core/lv_obj.h"
#include "lv_label.h"
#include "lv_btn.h"
/*********************
* DEFINES
*********************/
/*Control byte*/
#define LV_BTNM_CTRL_CODE 0x80 /*The control byte has to begin (if present) with 0b10xxxxxx*/
#define LV_BTNM_CTRL_MASK 0xC0
#define LV_BTNM_WIDTH_MASK 0x07
#define LV_BTNM_HIDE_MASK 0x08
#define LV_BTNM_REPEAT_DISABLE_MASK 0x10
#define LV_BTNM_INACTIVE_MASK 0x20
#define LV_BTNM_PR_NONE 0xFFFF
/**********************
* TYPEDEFS
**********************/
/* Type of callback function which is called when a button is released or long pressed on the button matrix
* Parameters: button matrix, text of the released button
* return LV_ACTION_RES_INV if the button matrix is deleted else LV_ACTION_RES_OK*/
typedef lv_res_t (*lv_btnm_action_t) (lv_obj_t *, const char *txt);
/*Data of button matrix*/
typedef struct
{
/*No inherited ext.*/ /*Ext. of ancestor*/
/*New data for this type */
const char ** map_p; /*Pointer to the current map*/
lv_area_t *button_areas; /*Array of areas of buttons*/
lv_btnm_action_t action; /*A function to call when a button is releases*/
lv_style_t *styles_btn[LV_BTN_STATE_NUM]; /*Styles of buttons in each state*/
uint16_t btn_cnt; /*Number of button in 'map_p'(Handled by the library)*/
uint16_t btn_id_pr; /*Index of the currently pressed button (in `button_areas`) or LV_BTNM_PR_NONE*/
uint16_t btn_id_tgl; /*Index of the currently toggled button (in `button_areas`) or LV_BTNM_PR_NONE */
uint8_t toggle :1; /*Enable toggling*/
uint8_t recolor :1; /*Enable button recoloring*/
} lv_btnm_ext_t;
enum {
LV_BTNM_STYLE_BG,
LV_BTNM_STYLE_BTN_REL,
LV_BTNM_STYLE_BTN_PR,
LV_BTNM_STYLE_BTN_TGL_REL,
LV_BTNM_STYLE_BTN_TGL_PR,
LV_BTNM_STYLE_BTN_INA,
};
typedef uint8_t lv_btnm_style_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Create a button matrix objects
* @param par pointer to an object, it will be the parent of the new button matrix
* @param copy pointer to a button matrix object, if not NULL then the new object will be copied from it
* @return pointer to the created button matrix
*/
lv_obj_t * lv_btnm_create(lv_obj_t * par, const lv_obj_t * copy);
/*=====================
* Setter functions
*====================*/
/**
* Set a new map. Buttons will be created/deleted according to the map.
* @param btnm pointer to a button matrix object
* @param map pointer a string array. The last string has to be: "".
* Use "\n" to begin a new line.
* The first byte can be a control data:
* - bit 7: always 1
* - bit 6: always 0
* - bit 5: inactive (disabled)
* - bit 4: no repeat (on long press)
* - bit 3: hidden
* - bit 2..0: button relative width
* Example (practically use octal numbers): "\224abc": "abc" text with 4 width and no long press
*/
void lv_btnm_set_map(lv_obj_t * btnm, const char ** map);
/**
* Set a new callback function for the buttons (It will be called when a button is released)
* @param btnm: pointer to button matrix object
* @param action pointer to a callback function
*/
void lv_btnm_set_action(lv_obj_t * btnm, lv_btnm_action_t action);
/**
* Enable or disable button toggling
* @param btnm pointer to button matrix object
* @param en true: enable toggling; false: disable toggling
* @param id index of the currently toggled button (ignored if 'en' == false)
*/
void lv_btnm_set_toggle(lv_obj_t * btnm, bool en, uint16_t id);
/**
* Set a style of a button matrix
* @param btnm pointer to a button matrix object
* @param type which style should be set
* @param style pointer to a style
*/
void lv_btnm_set_style(lv_obj_t *btnm, lv_btnm_style_t type, lv_style_t *style);
/**
* Set whether recoloring is enabled
* @param btnm pointer to button matrix object
* @param en whether recoloring is enabled
*/
void lv_btnm_set_recolor(const lv_obj_t * btnm, bool en);
/*=====================
* Getter functions
*====================*/
/**
* Get the current map of a button matrix
* @param btnm pointer to a button matrix object
* @return the current map
*/
const char ** lv_btnm_get_map(const lv_obj_t * btnm);
/**
* Get a the callback function of the buttons on a button matrix
* @param btnm: pointer to button matrix object
* @return pointer to the callback function
*/
lv_btnm_action_t lv_btnm_get_action(const lv_obj_t * btnm);
/**
* Get the pressed button
* @param btnm pointer to button matrix object
* @return index of the currently pressed button (LV_BTNM_PR_NONE: if unset)
*/
uint16_t lv_btnm_get_pressed(const lv_obj_t * btnm);
/**
* Get the toggled button
* @param btnm pointer to button matrix object
* @return index of the currently toggled button (LV_BTNM_PR_NONE: if unset)
*/
uint16_t lv_btnm_get_toggled(const lv_obj_t * btnm);
/**
* Get a style of a button matrix
* @param btnm pointer to a button matrix object
* @param type which style should be get
* @return style pointer to a style
*/
lv_style_t * lv_btnm_get_style(const lv_obj_t *btnm, lv_btnm_style_t type);
/**
* Find whether recoloring is enabled
* @param btnm pointer to button matrix object
* @return whether recoloring is enabled
*/
bool lv_btnm_get_recolor(const lv_obj_t * btnm);
/**********************
* MACROS
**********************/
#endif /*USE_LV_BTNM*/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_BTNM_H*/