132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
/**
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* @file lv_imgbtn.h
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*
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*/
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#ifndef LV_IMGBTN_H
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#define LV_IMGBTN_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 "lvgl.h"
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#if LV_USE_IMGBTN != 0
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/*********************
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* DEFINES
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*********************/
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typedef enum {
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LV_IMGBTN_STATE_RELEASED,
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LV_IMGBTN_STATE_PRESSED,
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LV_IMGBTN_STATE_DISABLED,
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LV_IMGBTN_STATE_CHECKED_RELEASED,
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LV_IMGBTN_STATE_CHECKED_PRESSED,
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LV_IMGBTN_STATE_CHECKED_DISABLED,
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_LV_IMGBTN_STATE_NUM,
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} lv_imgbtn_state_t;
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/**********************
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* TYPEDEFS
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**********************/
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/*Data of image button*/
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typedef struct {
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lv_obj_t obj;
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const void * img_src_mid[_LV_IMGBTN_STATE_NUM]; /*Store center images to each state*/
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const void * img_src_left[_LV_IMGBTN_STATE_NUM]; /*Store left side images to each state*/
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const void * img_src_right[_LV_IMGBTN_STATE_NUM]; /*Store right side images to each state*/
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lv_img_cf_t act_cf; /*Color format of the currently active image*/
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} lv_imgbtn_t;
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extern const lv_obj_class_t lv_imgbtn_class;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Create an image button object
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* @param parent pointer to an object, it will be the parent of the new image button
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* @return pointer to the created image button
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*/
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lv_obj_t * lv_imgbtn_create(lv_obj_t * parent);
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/*======================
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* Add/remove functions
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*=====================*/
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Set images for a state of the image button
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* @param imgbtn pointer to an image button object
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* @param state for which state set the new image
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* @param src_left pointer to an image source for the left side of the button (a C array or path to
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* a file)
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* @param src_mid pointer to an image source for the middle of the button (ideally 1px wide) (a C
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* array or path to a file)
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* @param src_right pointer to an image source for the right side of the button (a C array or path
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* to a file)
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*/
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void lv_imgbtn_set_src(lv_obj_t * imgbtn, lv_imgbtn_state_t state, const void * src_left, const void * src_mid,
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const void * src_right);
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/**
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* Use this function instead of `lv_obj_add/clear_state` to set a state manually
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* @param imgbtn pointer to an image button object
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* @param state the new state
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*/
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void lv_imgbtn_set_state(lv_obj_t * imgbtn, lv_imgbtn_state_t state);
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the left image in a given state
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* @param imgbtn pointer to an image button object
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* @param state the state where to get the image (from `lv_btn_state_t`) `
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* @return pointer to the left image source (a C array or path to a file)
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*/
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const void * lv_imgbtn_get_src_left(lv_obj_t * imgbtn, lv_imgbtn_state_t state);
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/**
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* Get the middle image in a given state
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* @param imgbtn pointer to an image button object
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* @param state the state where to get the image (from `lv_btn_state_t`) `
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* @return pointer to the middle image source (a C array or path to a file)
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*/
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const void * lv_imgbtn_get_src_middle(lv_obj_t * imgbtn, lv_imgbtn_state_t state);
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/**
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* Get the right image in a given state
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* @param imgbtn pointer to an image button object
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* @param state the state where to get the image (from `lv_btn_state_t`) `
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* @return pointer to the left image source (a C array or path to a file)
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*/
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const void * lv_imgbtn_get_src_right(lv_obj_t * imgbtn, lv_imgbtn_state_t state);
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/*=====================
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* Other functions
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*====================*/
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/**********************
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* MACROS
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**********************/
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#endif /*LV_USE_IMGBTN*/
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif /*LV_IMGBTN_H*/
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