mirror of
https://github.com/CTCaer/hekate
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232 lines
6.1 KiB
C
232 lines
6.1 KiB
C
![]() |
/**
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* @file lv_templ.c
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*
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*/
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/* TODO Remove these instructions
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* Search an replace: template -> object normal name with lower case (e.g. button, label etc.)
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* templ -> object short name with lower case(e.g. btn, label etc)
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* TEMPL -> object short name with upper case (e.g. BTN, LABEL etc.)
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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//#include "lv_templ.h" /*TODO uncomment this*/
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#if USE_LV_TEMPL != 0
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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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/**********************
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* STATIC PROTOTYPES
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**********************/
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static bool lv_templ_design(lv_obj_t * templ, const lv_area_t * mask, lv_design_mode_t mode);
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static lv_res_t lv_templ_signal(lv_obj_t * templ, lv_signal_t sign, void * param);
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_signal_func_t ancestor_signal;
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static lv_design_func_t ancestor_design;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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/**
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* Create a template object
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* @param par pointer to an object, it will be the parent of the new template
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* @param copy pointer to a template object, if not NULL then the new object will be copied from it
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* @return pointer to the created template
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*/
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lv_obj_t * lv_templ_create(lv_obj_t * par, const lv_obj_t * copy)
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{
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LV_LOG_TRACE("template create started");
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/*Create the ancestor of template*/
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/*TODO modify it to the ancestor create function */
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lv_obj_t * new_templ = lv_ANCESTOR_create(par, copy);
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lv_mem_assert(new_templ);
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if(new_templ == NULL) return NULL;
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/*Allocate the template type specific extended data*/
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lv_templ_ext_t * ext = lv_obj_allocate_ext_attr(new_templ, sizeof(lv_templ_ext_t));
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lv_mem_assert(ext);
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if(ext == NULL) return NULL;
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if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_templ);
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if(ancestor_design == NULL) ancestor_design = lv_obj_get_design_func(new_templ);
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/*Initialize the allocated 'ext' */
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ext->xyz = 0;
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/*The signal and design functions are not copied so set them here*/
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lv_obj_set_signal_func(new_templ, lv_templ_signal);
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lv_obj_set_design_func(new_templ, lv_templ_design);
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/*Init the new template template*/
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if(copy == NULL) {
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}
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/*Copy an existing template*/
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else {
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lv_templ_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
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/*Refresh the style with new signal function*/
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lv_obj_refresh_style(new_templ);
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}
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LV_LOG_INFO("template created");
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return new_templ;
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}
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/*======================
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* Add/remove functions
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*=====================*/
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/*
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* New object specific "add" or "remove" functions come here
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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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* New object specific "set" functions come here
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*/
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/**
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* Set a style of a template.
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* @param templ pointer to template 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_templ_set_style(lv_obj_t * templ, lv_templ_style_t type, lv_style_t * style)
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{
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lv_templ_ext_t * ext = lv_obj_get_ext_attr(templ);
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switch(type) {
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case LV_TEMPL_STYLE_X:
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break;
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case LV_TEMPL_STYLE_Y:
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break;
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}
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}
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/*=====================
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* Getter functions
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*====================*/
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/*
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* New object specific "get" functions come here
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*/
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/**
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* Get style of a template.
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* @param templ pointer to template object
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* @param type which style should be get
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* @return style pointer to the style
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*/
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lv_style_t * lv_templ_get_style(const lv_obj_t * templ, lv_templ_style_t type)
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{
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lv_templ_ext_t * ext = lv_obj_get_ext_attr(templ);
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lv_style_t * style = NULL;
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switch(type) {
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case LV_TEMPL_STYLE_X:
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style = NULL; /*Replace NULL with a pointer to the style*/
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case LV_TEMPL_STYLE_Y:
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style = NULL; /*Replace NULL with a pointer to the style*/
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default:
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style = NULL;
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}
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return style;
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}
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/*=====================
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* Other functions
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*====================*/
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/*
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* New object specific "other" functions come here
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*/
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/**********************
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* STATIC FUNCTIONS
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**********************/
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/**
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* Handle the drawing related tasks of the templates
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* @param templ pointer to an object
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* @param mask the object will be drawn only in this area
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* @param mode LV_DESIGN_COVER_CHK: only check if the object fully covers the 'mask_p' area
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* (return 'true' if yes)
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* LV_DESIGN_DRAW: draw the object (always return 'true')
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* LV_DESIGN_DRAW_POST: drawing after every children are drawn
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* @param return true/false, depends on 'mode'
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*/
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static bool lv_templ_design(lv_obj_t * templ, const lv_area_t * mask, lv_design_mode_t mode)
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{
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/*Return false if the object is not covers the mask_p area*/
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if(mode == LV_DESIGN_COVER_CHK) {
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return false;
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}
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/*Draw the object*/
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else if(mode == LV_DESIGN_DRAW_MAIN) {
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}
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/*Post draw when the children are drawn*/
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else if(mode == LV_DESIGN_DRAW_POST) {
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}
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return true;
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}
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/**
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* Signal function of the template
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* @param templ pointer to a template object
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* @param sign a signal type from lv_signal_t enum
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* @param param pointer to a signal specific variable
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* @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted
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*/
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static lv_res_t lv_templ_signal(lv_obj_t * templ, lv_signal_t sign, void * param)
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{
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lv_res_t res;
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/* Include the ancient signal function */
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res = ancestor_signal(templ, sign, param);
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if(res != LV_RES_OK) return res;
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if(sign == LV_SIGNAL_CLEANUP) {
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/*Nothing to cleanup. (No dynamically allocated memory in 'ext')*/
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} else if(sign == LV_SIGNAL_GET_TYPE) {
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lv_obj_type_t * buf = param;
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uint8_t i;
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for(i = 0; i < LV_MAX_ANCESTOR_NUM - 1; i++) { /*Find the last set data*/
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if(buf->type[i] == NULL) break;
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}
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buf->type[i] = "lv_templ";
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}
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return res;
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}
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#endif
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