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/**
*@file lv_theme.h
*
*/
#ifndef LV_THEME_H
#define LV_THEME_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../core/lv_obj.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
typedef void (*lv_theme_apply_cb_t)(lv_theme_t *, lv_obj_t *);
struct _lv_theme_t {
lv_theme_apply_cb_t apply_cb;
lv_theme_t * parent; /**< Apply the current theme's style on top of this theme.*/
void * user_data;
lv_display_t * disp;
lv_color_t color_primary;
lv_color_t color_secondary;
const lv_font_t * font_small;
const lv_font_t * font_normal;
const lv_font_t * font_large;
uint32_t flags; /*Any custom flag used by the theme*/
};
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Get the theme assigned to the display of the object
* @param obj pointer to a theme object
* @return the theme of the object's display (can be NULL)
*/
lv_theme_t * lv_theme_get_from_obj(lv_obj_t * obj);
/**
* Apply the active theme on an object
* @param obj pointer to an object
*/
void lv_theme_apply(lv_obj_t * obj);
/**
* Set a base theme for a theme.
* The styles from the base them will be added before the styles of the current theme.
* Arbitrary long chain of themes can be created by setting base themes.
* @param new_theme pointer to theme which base should be set
* @param parent pointer to the base theme
*/
void lv_theme_set_parent(lv_theme_t * new_theme, lv_theme_t * parent);
/**
* Set an apply callback for a theme.
* The apply callback is used to add styles to different objects
* @param theme pointer to theme which callback should be set
* @param apply_cb pointer to the callback
*/
void lv_theme_set_apply_cb(lv_theme_t * theme, lv_theme_apply_cb_t apply_cb);
/**
* Get the small font of the theme
* @param obj pointer to an object
* @return pointer to the font
*/
const lv_font_t * lv_theme_get_font_small(lv_obj_t * obj);
/**
* Get the normal font of the theme
* @param obj pointer to an object
* @return pointer to the font
*/
const lv_font_t * lv_theme_get_font_normal(lv_obj_t * obj);
/**
* Get the subtitle font of the theme
* @param obj pointer to an object
* @return pointer to the font
*/
const lv_font_t * lv_theme_get_font_large(lv_obj_t * obj);
/**
* Get the primary color of the theme
* @param obj pointer to an object
* @return the color
*/
lv_color_t lv_theme_get_color_primary(lv_obj_t * obj);
/**
* Get the secondary color of the theme
* @param obj pointer to an object
* @return the color
*/
lv_color_t lv_theme_get_color_secondary(lv_obj_t * obj);
/**********************
* MACROS
**********************/
#include "default/lv_theme_default.h"
#include "mono/lv_theme_mono.h"
#include "simple/lv_theme_simple.h"
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_THEME_H*/
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