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