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/**
*@file lv_theme.h
*
*/
#ifndef LV_THEME_H
#define LV_THEME_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../lv_conf_internal.h"
#include "../lv_core/lv_style.h"
#include "../lv_core/lv_obj.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**
* A theme in LVGL consists of many styles bound together.
*
* There is a style for each object type, as well as a generic style for
* backgrounds and panels.
*/
typedef enum {
LV_THEME_NONE = 0,
LV_THEME_SCR,
LV_THEME_OBJ,
#if LV_USE_ARC
LV_THEME_ARC,
#endif
#if LV_USE_BAR
LV_THEME_BAR,
#endif
#if LV_USE_BTN
LV_THEME_BTN,
#endif
#if LV_USE_BTNMATRIX
LV_THEME_BTNMATRIX,
#endif
#if LV_USE_CALENDAR
LV_THEME_CALENDAR,
#endif
#if LV_USE_CANVAS
LV_THEME_CANVAS,
#endif
#if LV_USE_CHECKBOX
LV_THEME_CHECKBOX,
#endif
#if LV_USE_CHART
LV_THEME_CHART,
#endif
#if LV_USE_CONT
LV_THEME_CONT,
#endif
#if LV_USE_CPICKER
LV_THEME_CPICKER,
#endif
#if LV_USE_DROPDOWN
LV_THEME_DROPDOWN,
#endif
#if LV_USE_GAUGE
LV_THEME_GAUGE,
#endif
#if LV_USE_IMG
LV_THEME_IMAGE,
#endif
#if LV_USE_IMGBTN
LV_THEME_IMGBTN,
#endif
#if LV_USE_KEYBOARD
LV_THEME_KEYBOARD,
#endif
#if LV_USE_LABEL
LV_THEME_LABEL,
#endif
#if LV_USE_LED
LV_THEME_LED,
#endif
#if LV_USE_LINE
LV_THEME_LINE,
#endif
#if LV_USE_LIST
LV_THEME_LIST,
LV_THEME_LIST_BTN,
#endif
#if LV_USE_LINEMETER
LV_THEME_LINEMETER,
#endif
#if LV_USE_MSGBOX
LV_THEME_MSGBOX,
LV_THEME_MSGBOX_BTNS, /*The button matrix of the buttons are initialized separately*/
#endif
#if LV_USE_OBJMASK
LV_THEME_OBJMASK,
#endif
#if LV_USE_PAGE
LV_THEME_PAGE,
#endif
#if LV_USE_ROLLER
LV_THEME_ROLLER,
#endif
#if LV_USE_SLIDER
LV_THEME_SLIDER,
#endif
#if LV_USE_SPINBOX
LV_THEME_SPINBOX,
LV_THEME_SPINBOX_BTN, /*Control button for the spinbox*/
#endif
#if LV_USE_SPINNER
LV_THEME_SPINNER,
#endif
#if LV_USE_SWITCH
LV_THEME_SWITCH,
#endif
#if LV_USE_TABLE
LV_THEME_TABLE,
#endif
#if LV_USE_TABVIEW
LV_THEME_TABVIEW,
LV_THEME_TABVIEW_PAGE, /*The tab pages are initialized separately*/
#endif
#if LV_USE_TEXTAREA
LV_THEME_TEXTAREA,
#endif
#if LV_USE_TILEVIEW
LV_THEME_TILEVIEW,
#endif
#if LV_USE_WIN
LV_THEME_WIN,
LV_THEME_WIN_BTN, /*The buttons are initialized separately*/
#endif
_LV_THEME_BUILTIN_LAST,
LV_THEME_CUSTOM_START = _LV_THEME_BUILTIN_LAST,
_LV_THEME_CUSTOM_LAST = 0xFFFF,
} lv_theme_style_t;
struct _lv_theme_t;
typedef void (*lv_theme_apply_cb_t)(struct _lv_theme_t *, lv_obj_t *, lv_theme_style_t);
typedef void (*lv_theme_apply_xcb_t)(lv_obj_t *, lv_theme_style_t); /*Deprecated: use `apply_cb` instead*/
typedef struct _lv_theme_t {
lv_theme_apply_cb_t apply_cb;
lv_theme_apply_xcb_t apply_xcb; /*Deprecated: use `apply_cb` instead*/
struct _lv_theme_t * base; /**< Apply the current theme's style on top of this theme.*/
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_subtitle;
const lv_font_t * font_title;
uint32_t flags;
void * user_data;
} lv_theme_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Set a theme for the system.
* From now, all the created objects will use styles from this theme by default
* @param th pointer to theme (return value of: 'lv_theme_init_xxx()')
*/
void lv_theme_set_act(lv_theme_t * th);
/**
* Get the current system theme.
* @return pointer to the current system theme. NULL if not set.
*/
lv_theme_t * lv_theme_get_act(void);
/**
* Apply the active theme on an object
* @param obj pointer to an object
* @param name the name of the theme element to apply. E.g. `LV_THEME_BTN`
*/
void lv_theme_apply(lv_obj_t * obj, lv_theme_style_t name);
/**
* Copy a theme to an other or initialize a theme
* @param theme pointer to a theme to initialize
* @param copy pointer to a theme to copy
* or `NULL` to initialize `theme` to empty
*/
void lv_theme_copy(lv_theme_t * theme, const lv_theme_t * copy);
/**
* 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 base pointer to the base theme
*/
void lv_theme_set_base(lv_theme_t * new_theme, lv_theme_t * base);
/**
* 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
* @return pointer to the font
*/
const lv_font_t * lv_theme_get_font_small(void);
/**
* Get the normal font of the theme
* @return pointer to the font
*/
const lv_font_t * lv_theme_get_font_normal(void);
/**
* Get the subtitle font of the theme
* @return pointer to the font
*/
const lv_font_t * lv_theme_get_font_subtitle(void);
/**
* Get the title font of the theme
* @return pointer to the font
*/
const lv_font_t * lv_theme_get_font_title(void);
/**
* Get the primary color of the theme
* @return the color
*/
lv_color_t lv_theme_get_color_primary(void);
/**
* Get the secondary color of the theme
* @return the color
*/
lv_color_t lv_theme_get_color_secondary(void);
/**
* Get the flags of the theme
* @return the flags
*/
uint32_t lv_theme_get_flags(void);
/**********************
* MACROS
**********************/
/**********************
* POST INCLUDE
*********************/
#include "lv_theme_empty.h"
#include "lv_theme_template.h"
#include "lv_theme_material.h"
#include "lv_theme_mono.h"
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_THEME_H*/
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