mirror of
https://github.com/CTCaer/hekate
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185526d134
BDK will allow developers to use the full collection of drivers, with limited editing, if any, for making payloads for Nintendo Switch. Using a single source for everything will also help decoupling Switch specific code and easily port it to other Tegra X1/X1+ platforms. And maybe even to lower targets. Everything is now centrilized into bdk folder. Every module or project can utilize it by simply including it. This is just the start and it will continue to improve.
113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
/**
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* @file lv_theme.c
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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_theme.h"
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#include "../lv_core/lv_obj.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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/**********************
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* STATIC PROTOTYPES
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**********************/
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/**********************
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* STATIC VARIABLES
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**********************/
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#if LV_THEME_LIVE_UPDATE == 0
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static lv_theme_t * current_theme;
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#else
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/* If live update is used then a big `lv_style_t` array is used to store the real styles of the theme not only pointers.
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* On `lv_theme_set_current` the styles of the theme are copied to this array.
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* The pointers in `current_theme` are initialized to point to the styles in the array.
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* This way the theme styles will always point to the same memory address even after theme is change.
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* (The pointers in the theme points to the styles declared by the theme itself) */
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/* Store the styles in this array.
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* Can't determine the size in compile time because sizeof is not evaluated (should be `sizeof(lv_theme_t) / sizeof(lv_style_t*)`).
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* Error will be generated in run time if too small.*/
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static lv_style_t th_styles[120];
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static bool inited = false;
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static lv_theme_t current_theme;
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#endif
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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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* Set a theme for the system.
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* From now, all the created objects will use styles from this theme by default
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* @param th pointer to theme (return value of: 'lv_theme_init_xxx()')
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*/
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void lv_theme_set_current(lv_theme_t * th)
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{
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#if LV_THEME_LIVE_UPDATE == 0
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current_theme = th;
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#else
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uint32_t style_num = sizeof(lv_theme_t) / sizeof(lv_style_t *); /*Number of styles in a theme*/
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if(!inited) {
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/*It's not sure `th_styles` is big enough. Check it now!*/
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if(style_num > sizeof(th_styles) / sizeof(lv_style_t)) {
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LV_LOG_ERROR("Themes: th_styles array is too small. Increase it's size!");
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while(1);
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}
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/*Initialize the style pointers `current_theme` to point to the `th_styles` style array */
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uint16_t i;
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lv_style_t ** cur_th_style_p = (lv_style_t **) ¤t_theme;
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for(i = 0; i < style_num; i++) {
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uintptr_t adr = (uintptr_t)&th_styles[i];
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memcpy(&cur_th_style_p[i], &adr, sizeof(lv_style_t *));
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}
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inited = true;
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}
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/*Copy the styles pointed by the new theme to the `th_styles` style array*/
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uint16_t i;
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lv_style_t ** th_style = (lv_style_t **) th;
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for(i = 0; i < style_num; i++) {
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uintptr_t s = (uintptr_t)th_style[i];
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if(s) memcpy(&th_styles[i], (void *)s, sizeof(lv_style_t));
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}
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/*Let the object know their style might change*/
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lv_obj_report_style_mod(NULL);
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#endif
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}
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/**
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* Get the current system theme.
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* @return pointer to the current system theme. NULL if not set.
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*/
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lv_theme_t * lv_theme_get_current(void)
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{
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#if LV_THEME_LIVE_UPDATE == 0
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return current_theme;
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#else
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if(!inited) return NULL;
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else return ¤t_theme;
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#endif
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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