412 lines
11 KiB
C
412 lines
11 KiB
C
|
/**
|
||
|
|
* @file lv_preload.c
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*********************
|
||
|
|
* INCLUDES
|
||
|
|
*********************/
|
||
|
|
#include "lv_preload.h"
|
||
|
|
#if USE_LV_PRELOAD != 0
|
||
|
|
|
||
|
|
#include "../lv_misc/lv_math.h"
|
||
|
|
#include "../lv_draw/lv_draw_rect.h"
|
||
|
|
#include "../lv_draw/lv_draw_arc.h"
|
||
|
|
#include "../lv_themes/lv_theme.h"
|
||
|
|
|
||
|
|
/*********************
|
||
|
|
* DEFINES
|
||
|
|
*********************/
|
||
|
|
#ifndef LV_PRELOAD_DEF_ARC_LENGTH
|
||
|
|
# define LV_PRELOAD_DEF_ARC_LENGTH 60 /*[deg]*/
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef LV_PRELOAD_DEF_SPIN_TIME
|
||
|
|
# define LV_PRELOAD_DEF_SPIN_TIME 1000 /*[ms]*/
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef LV_PRELOAD_DEF_ANIM
|
||
|
|
# define LV_PRELOAD_DEF_ANIM LV_PRELOAD_TYPE_SPINNING_ARC /*animation type*/
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/**********************
|
||
|
|
* TYPEDEFS
|
||
|
|
**********************/
|
||
|
|
|
||
|
|
/**********************
|
||
|
|
* STATIC PROTOTYPES
|
||
|
|
**********************/
|
||
|
|
static bool lv_preload_design(lv_obj_t * preload, const lv_area_t * mask, lv_design_mode_t mode);
|
||
|
|
static lv_res_t lv_preload_signal(lv_obj_t * preload, 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 pre loader object
|
||
|
|
* @param par pointer to an object, it will be the parent of the new pre loader
|
||
|
|
* @param copy pointer to a pre loader object, if not NULL then the new object will be copied from it
|
||
|
|
* @return pointer to the created pre loader
|
||
|
|
*/
|
||
|
|
lv_obj_t * lv_preload_create(lv_obj_t * par, const lv_obj_t * copy)
|
||
|
|
{
|
||
|
|
LV_LOG_TRACE("preload create started");
|
||
|
|
|
||
|
|
/*Create the ancestor of pre loader*/
|
||
|
|
lv_obj_t * new_preload = lv_arc_create(par, copy);
|
||
|
|
lv_mem_assert(new_preload);
|
||
|
|
if(new_preload == NULL) return NULL;
|
||
|
|
|
||
|
|
/*Allocate the pre loader type specific extended data*/
|
||
|
|
lv_preload_ext_t * ext = lv_obj_allocate_ext_attr(new_preload, sizeof(lv_preload_ext_t));
|
||
|
|
lv_mem_assert(ext);
|
||
|
|
if(ext == NULL) return NULL;
|
||
|
|
|
||
|
|
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_preload);
|
||
|
|
if(ancestor_design == NULL) ancestor_design = lv_obj_get_design_func(new_preload);
|
||
|
|
|
||
|
|
/*Initialize the allocated 'ext' */
|
||
|
|
ext->arc_length = LV_PRELOAD_DEF_ARC_LENGTH;
|
||
|
|
ext->anim_type = LV_PRELOAD_DEF_ANIM;
|
||
|
|
|
||
|
|
/*The signal and design functions are not copied so set them here*/
|
||
|
|
lv_obj_set_signal_func(new_preload, lv_preload_signal);
|
||
|
|
lv_obj_set_design_func(new_preload, lv_preload_design);
|
||
|
|
|
||
|
|
|
||
|
|
/*Init the new pre loader pre loader*/
|
||
|
|
if(copy == NULL) {
|
||
|
|
lv_obj_set_size(new_preload, LV_DPI / 2, LV_DPI / 2);
|
||
|
|
|
||
|
|
/*Set the default styles*/
|
||
|
|
lv_theme_t * th = lv_theme_get_current();
|
||
|
|
if(th) {
|
||
|
|
lv_preload_set_style(new_preload, LV_PRELOAD_STYLE_MAIN, th->preload);
|
||
|
|
} else {
|
||
|
|
lv_obj_set_style(new_preload, &lv_style_pretty_color);
|
||
|
|
}
|
||
|
|
|
||
|
|
ext->time = LV_PRELOAD_DEF_SPIN_TIME;
|
||
|
|
|
||
|
|
}
|
||
|
|
/*Copy an existing pre loader*/
|
||
|
|
else {
|
||
|
|
lv_preload_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
|
||
|
|
ext->arc_length = copy_ext->arc_length;
|
||
|
|
ext->time = copy_ext->time;
|
||
|
|
/*Refresh the style with new signal function*/
|
||
|
|
lv_obj_refresh_style(new_preload);
|
||
|
|
}
|
||
|
|
|
||
|
|
lv_preload_set_animation_type(new_preload, ext->anim_type);
|
||
|
|
|
||
|
|
|
||
|
|
LV_LOG_INFO("preload created");
|
||
|
|
|
||
|
|
return new_preload;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*======================
|
||
|
|
* Add/remove functions
|
||
|
|
*=====================*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the length of the spinning arc in degrees
|
||
|
|
* @param preload pointer to a preload object
|
||
|
|
* @param deg length of the arc
|
||
|
|
*/
|
||
|
|
void lv_preload_set_arc_length(lv_obj_t * preload, uint16_t deg)
|
||
|
|
{
|
||
|
|
lv_preload_ext_t * ext = lv_obj_get_ext_attr(preload);
|
||
|
|
|
||
|
|
ext->arc_length = deg;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the spin time of the arc
|
||
|
|
* @param preload pointer to a preload object
|
||
|
|
* @param time time of one round in milliseconds
|
||
|
|
*/
|
||
|
|
void lv_preload_set_spin_time(lv_obj_t * preload, uint16_t time)
|
||
|
|
{
|
||
|
|
lv_preload_ext_t * ext = lv_obj_get_ext_attr(preload);
|
||
|
|
|
||
|
|
ext->time = time;
|
||
|
|
lv_preload_set_animation_type(preload, ext->anim_type);
|
||
|
|
}
|
||
|
|
/*=====================
|
||
|
|
* Setter functions
|
||
|
|
*====================*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set a style of a pre loader.
|
||
|
|
* @param preload pointer to pre loader object
|
||
|
|
* @param type which style should be set
|
||
|
|
* @param style pointer to a style
|
||
|
|
* */
|
||
|
|
void lv_preload_set_style(lv_obj_t * preload, lv_preload_style_t type, lv_style_t * style)
|
||
|
|
{
|
||
|
|
switch(type) {
|
||
|
|
case LV_PRELOAD_STYLE_MAIN:
|
||
|
|
lv_arc_set_style(preload, LV_ARC_STYLE_MAIN, style);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the animation type of a preloadeer.
|
||
|
|
* @param preload pointer to pre loader object
|
||
|
|
* @param type animation type of the preload
|
||
|
|
* */
|
||
|
|
void lv_preload_set_animation_type(lv_obj_t * preload, lv_preloader_type_t type)
|
||
|
|
{
|
||
|
|
#if USE_LV_ANIMATION
|
||
|
|
lv_preload_ext_t * ext = lv_obj_get_ext_attr(preload);
|
||
|
|
|
||
|
|
/*delete previous animation*/
|
||
|
|
//lv_anim_del(preload, NULL);
|
||
|
|
switch(type)
|
||
|
|
{
|
||
|
|
case LV_PRELOAD_TYPE_FILLSPIN_ARC:
|
||
|
|
{
|
||
|
|
ext->anim_type = LV_PRELOAD_TYPE_FILLSPIN_ARC;
|
||
|
|
lv_anim_t a;
|
||
|
|
a.var = preload;
|
||
|
|
a.start = 0;
|
||
|
|
a.end = 360;
|
||
|
|
a.fp = (lv_anim_fp_t)lv_preload_spinner_animation;
|
||
|
|
a.path = lv_anim_path_ease_in_out;
|
||
|
|
a.end_cb = NULL;
|
||
|
|
a.act_time = 0;
|
||
|
|
a.time = ext->time;
|
||
|
|
a.playback = 0;
|
||
|
|
a.playback_pause = 0;
|
||
|
|
a.repeat = 1;
|
||
|
|
a.repeat_pause = 0;
|
||
|
|
lv_anim_create(&a);
|
||
|
|
|
||
|
|
lv_anim_t b;
|
||
|
|
b.var = preload;
|
||
|
|
b.start = ext->arc_length;
|
||
|
|
b.end = 360 - ext->arc_length;
|
||
|
|
b.fp = (lv_anim_fp_t)lv_preload_set_arc_length;
|
||
|
|
b.path = lv_anim_path_ease_in_out;
|
||
|
|
b.end_cb = NULL;
|
||
|
|
b.act_time = 0;
|
||
|
|
b.time = ext->time;
|
||
|
|
b.playback = 1;
|
||
|
|
b.playback_pause = 0;
|
||
|
|
b.repeat = 1;
|
||
|
|
b.repeat_pause = 0;
|
||
|
|
lv_anim_create(&b);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case LV_PRELOAD_TYPE_SPINNING_ARC:
|
||
|
|
default:
|
||
|
|
{
|
||
|
|
ext->anim_type = LV_PRELOAD_TYPE_SPINNING_ARC;
|
||
|
|
lv_anim_t a;
|
||
|
|
a.var = preload;
|
||
|
|
a.start = 0;
|
||
|
|
a.end = 360;
|
||
|
|
a.fp = (lv_anim_fp_t)lv_preload_spinner_animation;
|
||
|
|
a.path = lv_anim_path_ease_in_out;
|
||
|
|
a.end_cb = NULL;
|
||
|
|
a.act_time = 0;
|
||
|
|
a.time = ext->time;
|
||
|
|
a.playback = 0;
|
||
|
|
a.playback_pause = 0;
|
||
|
|
a.repeat = 1;
|
||
|
|
a.repeat_pause = 0;
|
||
|
|
lv_anim_create(&a);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif //USE_LV_ANIMATION
|
||
|
|
}
|
||
|
|
|
||
|
|
/*=====================
|
||
|
|
* Getter functions
|
||
|
|
*====================*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the arc length [degree] of the a pre loader
|
||
|
|
* @param preload pointer to a pre loader object
|
||
|
|
*/
|
||
|
|
uint16_t lv_preload_get_arc_length(const lv_obj_t * preload)
|
||
|
|
{
|
||
|
|
lv_preload_ext_t * ext = lv_obj_get_ext_attr(preload);
|
||
|
|
return ext->arc_length;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the spin time of the arc
|
||
|
|
* @param preload pointer to a pre loader object [milliseconds]
|
||
|
|
*/
|
||
|
|
uint16_t lv_preload_get_spin_time(const lv_obj_t * preload)
|
||
|
|
{
|
||
|
|
lv_preload_ext_t * ext = lv_obj_get_ext_attr(preload);
|
||
|
|
return ext->time;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get style of a pre loader.
|
||
|
|
* @param preload pointer to pre loader object
|
||
|
|
* @param type which style should be get
|
||
|
|
* @return style pointer to the style
|
||
|
|
* */
|
||
|
|
lv_style_t * lv_preload_get_style(const lv_obj_t * preload, lv_preload_style_t type)
|
||
|
|
{
|
||
|
|
lv_style_t * style = NULL;
|
||
|
|
|
||
|
|
switch(type) {
|
||
|
|
case LV_PRELOAD_STYLE_MAIN:
|
||
|
|
style = lv_arc_get_style(preload, LV_ARC_STYLE_MAIN);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
style = NULL;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return style;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the animation type of a preloadeer.
|
||
|
|
* @param preload pointer to pre loader object
|
||
|
|
* @return animation type
|
||
|
|
* */
|
||
|
|
lv_preloader_type_t lv_preload_get_animation_type(lv_obj_t * preload)
|
||
|
|
{
|
||
|
|
lv_preload_ext_t * ext = lv_obj_get_ext_attr(preload);
|
||
|
|
return ext->anim_type;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*=====================
|
||
|
|
* Other functions
|
||
|
|
*====================*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Automatically in an animation to rotate the arc of spinner.
|
||
|
|
* @param ptr pointer to preloader
|
||
|
|
* @param val the current desired value [0..360]
|
||
|
|
*/
|
||
|
|
void lv_preload_spinner_animation(void * ptr, int32_t val)
|
||
|
|
{
|
||
|
|
lv_obj_t * preload = ptr;
|
||
|
|
lv_preload_ext_t * ext = lv_obj_get_ext_attr(preload);
|
||
|
|
int16_t angle_start = val - ext->arc_length / 2 + 180;
|
||
|
|
int16_t angle_end = angle_start + ext->arc_length;
|
||
|
|
|
||
|
|
angle_start = angle_start % 360;
|
||
|
|
angle_end = angle_end % 360;
|
||
|
|
|
||
|
|
lv_arc_set_angles(preload, angle_start, angle_end);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**********************
|
||
|
|
* STATIC FUNCTIONS
|
||
|
|
**********************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle the drawing related tasks of the pre loaders
|
||
|
|
* @param preload 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_preload_design(lv_obj_t * preload, 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) {
|
||
|
|
|
||
|
|
/*Draw a circle as background*/
|
||
|
|
lv_style_t * style = lv_arc_get_style(preload, LV_ARC_STYLE_MAIN);
|
||
|
|
if(style->body.border.width > 0) {
|
||
|
|
lv_coord_t r = (LV_MATH_MIN(lv_obj_get_width(preload), lv_obj_get_height(preload))) / 2;
|
||
|
|
r -= LV_MATH_MIN(style->body.padding.hor, style->body.padding.ver);
|
||
|
|
|
||
|
|
lv_coord_t x = preload->coords.x1 + lv_obj_get_width(preload) / 2;
|
||
|
|
lv_coord_t y = preload->coords.y1 + lv_obj_get_height(preload) / 2;
|
||
|
|
|
||
|
|
lv_style_t bg_style;
|
||
|
|
lv_style_copy(&bg_style, &lv_style_plain);
|
||
|
|
bg_style.body.empty = 1;
|
||
|
|
bg_style.body.radius = LV_RADIUS_CIRCLE;
|
||
|
|
bg_style.body.border.color = style->body.border.color;
|
||
|
|
bg_style.body.border.width = style->body.border.width;
|
||
|
|
|
||
|
|
lv_area_t bg_area;
|
||
|
|
bg_area.x1 = x - r;
|
||
|
|
bg_area.y1 = y - r;
|
||
|
|
bg_area.x2 = x + r;
|
||
|
|
bg_area.y2 = y + r;
|
||
|
|
|
||
|
|
lv_draw_rect(&bg_area, mask, &bg_style, lv_obj_get_opa_scale(preload));
|
||
|
|
}
|
||
|
|
/*Draw the arc above the background circle */
|
||
|
|
ancestor_design(preload, mask, mode);
|
||
|
|
}
|
||
|
|
/*Post draw when the children are drawn*/
|
||
|
|
else if(mode == LV_DESIGN_DRAW_POST) {
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Signal function of the pre loader
|
||
|
|
* @param preload pointer to a pre loader 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_preload_signal(lv_obj_t * preload, lv_signal_t sign, void * param)
|
||
|
|
{
|
||
|
|
lv_res_t res;
|
||
|
|
|
||
|
|
/* Include the ancient signal function */
|
||
|
|
res = ancestor_signal(preload, 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_preload";
|
||
|
|
}
|
||
|
|
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|