mirror of
https://github.com/CTCaer/hekate
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225 lines
5.7 KiB
C
225 lines
5.7 KiB
C
![]() |
/**
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* @file lv_roller.h
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*
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*/
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#ifndef LV_ROLLER_H
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#define LV_ROLLER_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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#ifdef LV_CONF_INCLUDE_SIMPLE
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#include "lv_conf.h"
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#else
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#include "../../lv_conf.h"
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#endif
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#if USE_LV_ROLLER != 0
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/*Testing of dependencies*/
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#if USE_LV_DDLIST == 0
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#error "lv_roller: lv_ddlist is required. Enable it in lv_conf.h (USE_LV_DDLIST 1) "
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#endif
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#include "../lv_core/lv_obj.h"
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#include "lv_ddlist.h"
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#include "lv_label.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/*Data of roller*/
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typedef struct {
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lv_ddlist_ext_t ddlist; /*Ext. of ancestor*/
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/*New data for this type */
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} lv_roller_ext_t;
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enum {
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LV_ROLLER_STYLE_BG,
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LV_ROLLER_STYLE_SEL,
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};
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typedef uint8_t lv_roller_style_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Create a roller object
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* @param par pointer to an object, it will be the parent of the new roller
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* @param copy pointer to a roller object, if not NULL then the new object will be copied from it
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* @return pointer to the created roller
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*/
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lv_obj_t * lv_roller_create(lv_obj_t * par, const lv_obj_t * copy);
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Set the align of the roller's options (left, right or center[default])
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* @param roller - pointer to a roller object
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* @param align - one of lv_label_align_t values (left, right, center)
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*/
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void lv_roller_set_align(lv_obj_t * roller, lv_label_align_t align);
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/**
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* Set the options on a roller
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* @param roller pointer to roller object
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* @param options a string with '\n' separated options. E.g. "One\nTwo\nThree"
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*/
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static inline void lv_roller_set_options(lv_obj_t * roller, const char * options)
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{
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lv_ddlist_set_options(roller, options);
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}
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/**
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* Set the selected option
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* @param roller pointer to a roller object
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* @param sel_opt id of the selected option (0 ... number of option - 1);
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* @param anim_en true: set with animation; false set immediately
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*/
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void lv_roller_set_selected(lv_obj_t *roller, uint16_t sel_opt, bool anim_en);
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/**
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* Set a function to call when a new option is chosen
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* @param roller pointer to a roller
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* @param action pointer to a callback function
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*/
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static inline void lv_roller_set_action(lv_obj_t * roller, lv_action_t action)
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{
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lv_ddlist_set_action(roller, action);
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}
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/**
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* Set the height to show the given number of rows (options)
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* @param roller pointer to a roller object
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* @param row_cnt number of desired visible rows
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*/
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void lv_roller_set_visible_row_count(lv_obj_t *roller, uint8_t row_cnt);
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/**
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* Enable or disable the horizontal fit to the content
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* @param roller pointer to a roller
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* @param en true: enable auto fit; false: disable auto fit
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*/
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static inline void lv_roller_set_hor_fit(lv_obj_t * roller, bool en)
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{
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lv_ddlist_set_hor_fit(roller, en);
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}
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/**
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* Set the open/close animation time.
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* @param roller pointer to a roller object
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* @param anim_time: open/close animation time [ms]
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*/
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static inline void lv_roller_set_anim_time(lv_obj_t *roller, uint16_t anim_time)
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{
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lv_ddlist_set_anim_time(roller, anim_time);
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}
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/**
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* Set a style of a roller
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* @param roller pointer to a roller object
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* @param type which style should be set
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* @param style pointer to a style
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*/
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void lv_roller_set_style(lv_obj_t *roller, lv_roller_style_t type, lv_style_t *style);
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the align attribute. Default alignment after _create is LV_LABEL_ALIGN_CENTER
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* @param roller pointer to a roller object
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* @return LV_LABEL_ALIGN_LEFT, LV_LABEL_ALIGN_RIGHT or LV_LABEL_ALIGN_CENTER
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*/
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lv_label_align_t lv_roller_get_align(const lv_obj_t * roller);
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/**
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* Get the options of a roller
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* @param roller pointer to roller object
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* @return the options separated by '\n'-s (E.g. "Option1\nOption2\nOption3")
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*/
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static inline const char * lv_roller_get_options(const lv_obj_t *roller)
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{
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return lv_ddlist_get_options(roller);
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}
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/**
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* Get the id of the selected option
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* @param roller pointer to a roller object
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* @return id of the selected option (0 ... number of option - 1);
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*/
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static inline uint16_t lv_roller_get_selected(const lv_obj_t *roller)
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{
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return lv_ddlist_get_selected(roller);
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}
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/**
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* Get the current selected option as a string
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* @param roller pointer to roller object
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* @param buf pointer to an array to store the string
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*/
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static inline void lv_roller_get_selected_str(const lv_obj_t * roller, char * buf)
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{
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lv_ddlist_get_selected_str(roller, buf);
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}
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/**
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* Get the "option selected" callback function
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* @param roller pointer to a roller
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* @return pointer to the call back function
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*/
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static inline lv_action_t lv_roller_get_action(const lv_obj_t * roller)
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{
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return lv_ddlist_get_action(roller);
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}
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/**
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* Get the open/close animation time.
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* @param roller pointer to a roller
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* @return open/close animation time [ms]
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*/
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static inline uint16_t lv_roller_get_anim_time(const lv_obj_t * roller)
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{
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return lv_ddlist_get_anim_time(roller);
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}
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/**
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* Get the auto width set attribute
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* @param roller pointer to a roller object
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* @return true: auto size enabled; false: manual width settings enabled
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*/
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bool lv_roller_get_hor_fit(const lv_obj_t *roller);
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/**
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* Get a style of a roller
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* @param roller pointer to a roller object
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* @param type which style should be get
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* @return style pointer to a style
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* */
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lv_style_t * lv_roller_get_style(const lv_obj_t *roller, lv_roller_style_t type);
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/**********************
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* MACROS
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**********************/
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#endif /*USE_LV_ROLLER*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_ROLLER_H*/
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