474 lines
13 KiB
C
474 lines
13 KiB
C
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/**
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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 "../lvgl.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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static void apply_theme(lv_theme_t * th, lv_obj_t * obj, lv_theme_style_t name);
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static void clear_styles(lv_obj_t * obj, lv_theme_style_t name);
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_theme_t * act_theme;
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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_act(lv_theme_t * th)
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{
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act_theme = th;
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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_act(void)
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{
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return act_theme;
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}
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/**
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* Apply the active theme on an object
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* @param obj pointer to an object
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* @param name the name of the theme element to apply. E.g. `LV_THEME_BTN`
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*/
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void lv_theme_apply(lv_obj_t * obj, lv_theme_style_t name)
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{
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/* Remove the existing styles from all part of the object. */
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clear_styles(obj, name);
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/*Apply the theme including the base theme(s)*/
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apply_theme(act_theme, obj, name);
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}
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/**
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* Copy a theme to an other or initialize a theme
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* @param theme pointer to a theme to initialize
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* @param copy pointer to a theme to copy
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* or `NULL` to initialize `theme` to empty
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*/
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void lv_theme_copy(lv_theme_t * theme, const lv_theme_t * copy)
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{
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_lv_memset_00(theme, sizeof(lv_theme_t));
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if(copy) {
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theme->font_small = copy->font_small;
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theme->font_normal = copy->font_normal;
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theme->font_subtitle = copy->font_subtitle;
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theme->font_title = copy->font_title;
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theme->color_primary = copy->color_primary;
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theme->color_secondary = copy->color_secondary;
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theme->flags = copy->flags;
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theme->base = copy->base;
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theme->apply_cb = copy->apply_cb;
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theme->apply_xcb = copy->apply_xcb;
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}
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}
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/**
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* Set a base theme for a theme.
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* The styles from the base them will be added before the styles of the current theme.
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* Arbitrary long chain of themes can be created by setting base themes.
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* @param new_theme pointer to theme which base should be set
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* @param base pointer to the base theme
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*/
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void lv_theme_set_base(lv_theme_t * new_theme, lv_theme_t * base)
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{
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new_theme->base = base;
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}
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/**
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* Set a callback for a theme.
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* The callback is used to add styles to different objects
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* @param theme pointer to theme which callback should be set
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* @param cb pointer to the callback
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*/
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void lv_theme_set_apply_cb(lv_theme_t * theme, lv_theme_apply_cb_t apply_cb)
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{
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theme->apply_cb = apply_cb;
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}
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/**
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* Get the small font of the theme
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* @return pointer to the font
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*/
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const lv_font_t * lv_theme_get_font_small(void)
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{
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return act_theme->font_small;
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}
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/**
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* Get the normal font of the theme
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* @return pointer to the font
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*/
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const lv_font_t * lv_theme_get_font_normal(void)
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{
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return act_theme->font_normal;
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}
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/**
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* Get the subtitle font of the theme
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* @return pointer to the font
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*/
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const lv_font_t * lv_theme_get_font_subtitle(void)
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{
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return act_theme->font_subtitle;
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}
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/**
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* Get the title font of the theme
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* @return pointer to the font
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*/
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const lv_font_t * lv_theme_get_font_title(void)
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{
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return act_theme->font_title;
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}
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/**
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* Get the primary color of the theme
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* @return the color
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*/
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lv_color_t lv_theme_get_color_primary(void)
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{
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return act_theme->color_primary;
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}
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/**
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* Get the secondary color of the theme
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* @return the color
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*/
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lv_color_t lv_theme_get_color_secondary(void)
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{
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return act_theme->color_secondary;
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}
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/**
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* Get the flags of the theme
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* @return the flags
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*/
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uint32_t lv_theme_get_flags(void)
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{
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return act_theme->flags;
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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static void apply_theme(lv_theme_t * th, lv_obj_t * obj, lv_theme_style_t name)
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{
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if(th->base) {
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apply_theme(th->base, obj, name);
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}
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/*apply_xcb is deprecated, use apply_cb instead*/
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if(th->apply_xcb) {
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th->apply_xcb(obj, name);
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}
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else if(th->apply_cb) {
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th->apply_cb(act_theme, obj, name);
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}
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}
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static void clear_styles(lv_obj_t * obj, lv_theme_style_t name)
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{
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switch(name) {
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case LV_THEME_NONE:
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break;
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case LV_THEME_SCR:
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lv_obj_clean_style_list(obj, LV_OBJ_PART_MAIN);
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break;
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case LV_THEME_OBJ:
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lv_obj_clean_style_list(obj, LV_OBJ_PART_MAIN);
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break;
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#if LV_USE_CONT
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case LV_THEME_CONT:
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lv_obj_clean_style_list(obj, LV_OBJ_PART_MAIN);
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break;
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#endif
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#if LV_USE_BTN
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case LV_THEME_BTN:
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lv_obj_clean_style_list(obj, LV_BTN_PART_MAIN);
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break;
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#endif
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#if LV_USE_BTNMATRIX
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case LV_THEME_BTNMATRIX:
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lv_obj_clean_style_list(obj, LV_BTNMATRIX_PART_BG);
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lv_obj_clean_style_list(obj, LV_BTNMATRIX_PART_BTN);
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break;
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#endif
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#if LV_USE_KEYBOARD
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case LV_THEME_KEYBOARD:
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lv_obj_clean_style_list(obj, LV_KEYBOARD_PART_BG);
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lv_obj_clean_style_list(obj, LV_KEYBOARD_PART_BTN);
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break;
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#endif
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#if LV_USE_BAR
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case LV_THEME_BAR:
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lv_obj_clean_style_list(obj, LV_BAR_PART_BG);
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lv_obj_clean_style_list(obj, LV_BAR_PART_INDIC);
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break;
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#endif
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#if LV_USE_SWITCH
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case LV_THEME_SWITCH:
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lv_obj_clean_style_list(obj, LV_SWITCH_PART_BG);
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lv_obj_clean_style_list(obj, LV_SWITCH_PART_INDIC);
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lv_obj_clean_style_list(obj, LV_SWITCH_PART_KNOB);
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break;
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#endif
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#if LV_USE_CANVAS
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case LV_THEME_CANVAS:
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lv_obj_clean_style_list(obj, LV_CANVAS_PART_MAIN);
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break;
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#endif
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#if LV_USE_IMG
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case LV_THEME_IMAGE:
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lv_obj_clean_style_list(obj, LV_IMG_PART_MAIN);
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break;
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#endif
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#if LV_USE_IMGBTN
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case LV_THEME_IMGBTN:
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lv_obj_clean_style_list(obj, LV_IMG_PART_MAIN);
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break;
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#endif
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#if LV_USE_LABEL
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case LV_THEME_LABEL:
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lv_obj_clean_style_list(obj, LV_LABEL_PART_MAIN);
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break;
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#endif
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#if LV_USE_LINE
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case LV_THEME_LINE:
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lv_obj_clean_style_list(obj, LV_LABEL_PART_MAIN);
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break;
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#endif
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#if LV_USE_ARC
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case LV_THEME_ARC:
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lv_obj_clean_style_list(obj, LV_ARC_PART_BG);
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lv_obj_clean_style_list(obj, LV_ARC_PART_INDIC);
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break;
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#endif
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#if LV_USE_SPINNER
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case LV_THEME_SPINNER:
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lv_obj_clean_style_list(obj, LV_SPINNER_PART_BG);
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lv_obj_clean_style_list(obj, LV_SPINNER_PART_INDIC);
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break;
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#endif
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#if LV_USE_SLIDER
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case LV_THEME_SLIDER:
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lv_obj_clean_style_list(obj, LV_SLIDER_PART_BG);
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lv_obj_clean_style_list(obj, LV_SLIDER_PART_INDIC);
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lv_obj_clean_style_list(obj, LV_SLIDER_PART_KNOB);
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break;
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#endif
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#if LV_USE_CHECKBOX
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case LV_THEME_CHECKBOX:
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lv_obj_clean_style_list(obj, LV_CHECKBOX_PART_BG);
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lv_obj_clean_style_list(obj, LV_CHECKBOX_PART_BULLET);
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break;
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#endif
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#if LV_USE_MSGBOX
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case LV_THEME_MSGBOX:
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lv_obj_clean_style_list(obj, LV_MSGBOX_PART_BG);
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break;
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case LV_THEME_MSGBOX_BTNS:
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lv_obj_clean_style_list(obj, LV_MSGBOX_PART_BTN_BG);
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lv_obj_clean_style_list(obj, LV_MSGBOX_PART_BTN);
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break;
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#endif
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#if LV_USE_LED
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case LV_THEME_LED:
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lv_obj_clean_style_list(obj, LV_LED_PART_MAIN);
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break;
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#endif
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#if LV_USE_PAGE
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case LV_THEME_PAGE:
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lv_obj_clean_style_list(obj, LV_PAGE_PART_BG);
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lv_obj_clean_style_list(obj, LV_PAGE_PART_SCROLLABLE);
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lv_obj_clean_style_list(obj, LV_PAGE_PART_SCROLLBAR);
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break;
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#endif
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#if LV_USE_TABVIEW
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case LV_THEME_TABVIEW:
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lv_obj_clean_style_list(obj, LV_TABVIEW_PART_BG);
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lv_obj_clean_style_list(obj, LV_TABVIEW_PART_BG_SCROLLABLE);
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lv_obj_clean_style_list(obj, LV_TABVIEW_PART_TAB_BG);
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lv_obj_clean_style_list(obj, LV_TABVIEW_PART_INDIC);
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lv_obj_clean_style_list(obj, LV_TABVIEW_PART_TAB_BTN);
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break;
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case LV_THEME_TABVIEW_PAGE:
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lv_obj_clean_style_list(obj, LV_PAGE_PART_BG);
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lv_obj_clean_style_list(obj, LV_PAGE_PART_SCROLLABLE);
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break;
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#endif
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#if LV_USE_TILEVIEW
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case LV_THEME_TILEVIEW:
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lv_obj_clean_style_list(obj, LV_TILEVIEW_PART_BG);
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lv_obj_clean_style_list(obj, LV_TILEVIEW_PART_SCROLLBAR);
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lv_obj_clean_style_list(obj, LV_TILEVIEW_PART_EDGE_FLASH);
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break;
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#endif
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#if LV_USE_ROLLER
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case LV_THEME_ROLLER:
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lv_obj_clean_style_list(obj, LV_ROLLER_PART_BG);
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lv_obj_clean_style_list(obj, LV_ROLLER_PART_SELECTED);
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break;
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#endif
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#if LV_USE_OBJMASK
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case LV_THEME_OBJMASK:
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lv_obj_clean_style_list(obj, LV_OBJMASK_PART_MAIN);
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break;
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#endif
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#if LV_USE_LIST
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case LV_THEME_LIST:
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lv_obj_clean_style_list(obj, LV_LIST_PART_BG);
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lv_obj_clean_style_list(obj, LV_LIST_PART_SCROLLABLE);
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lv_obj_clean_style_list(obj, LV_LIST_PART_SCROLLBAR);
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break;
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case LV_THEME_LIST_BTN:
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|
lv_obj_clean_style_list(obj, LV_BTN_PART_MAIN);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LV_USE_DROPDOWN
|
||
|
|
case LV_THEME_DROPDOWN:
|
||
|
|
lv_obj_clean_style_list(obj, LV_DROPDOWN_PART_MAIN);
|
||
|
|
lv_obj_clean_style_list(obj, LV_DROPDOWN_PART_LIST);
|
||
|
|
lv_obj_clean_style_list(obj, LV_DROPDOWN_PART_SCROLLBAR);
|
||
|
|
lv_obj_clean_style_list(obj, LV_DROPDOWN_PART_SELECTED);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LV_USE_CHART
|
||
|
|
case LV_THEME_CHART:
|
||
|
|
lv_obj_clean_style_list(obj, LV_CHART_PART_BG);
|
||
|
|
lv_obj_clean_style_list(obj, LV_CHART_PART_SERIES_BG);
|
||
|
|
lv_obj_clean_style_list(obj, LV_CHART_PART_SERIES);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
#if LV_USE_TABLE
|
||
|
|
case LV_THEME_TABLE:
|
||
|
|
lv_obj_clean_style_list(obj, LV_TABLE_PART_BG);
|
||
|
|
lv_obj_clean_style_list(obj, LV_TABLE_PART_CELL1);
|
||
|
|
lv_obj_clean_style_list(obj, LV_TABLE_PART_CELL2);
|
||
|
|
lv_obj_clean_style_list(obj, LV_TABLE_PART_CELL3);
|
||
|
|
lv_obj_clean_style_list(obj, LV_TABLE_PART_CELL4);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LV_USE_WIN
|
||
|
|
case LV_THEME_WIN:
|
||
|
|
lv_obj_clean_style_list(obj, LV_WIN_PART_BG);
|
||
|
|
lv_obj_clean_style_list(obj, LV_WIN_PART_SCROLLBAR);
|
||
|
|
lv_obj_clean_style_list(obj, LV_WIN_PART_CONTENT_SCROLLABLE);
|
||
|
|
lv_obj_clean_style_list(obj, LV_WIN_PART_HEADER);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case LV_THEME_WIN_BTN:
|
||
|
|
lv_obj_clean_style_list(obj, LV_BTN_PART_MAIN);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LV_USE_TEXTAREA
|
||
|
|
case LV_THEME_TEXTAREA:
|
||
|
|
lv_obj_clean_style_list(obj, LV_TEXTAREA_PART_BG);
|
||
|
|
lv_obj_clean_style_list(obj, LV_TEXTAREA_PART_PLACEHOLDER);
|
||
|
|
lv_obj_clean_style_list(obj, LV_TEXTAREA_PART_CURSOR);
|
||
|
|
lv_obj_clean_style_list(obj, LV_TEXTAREA_PART_SCROLLBAR);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LV_USE_SPINBOX
|
||
|
|
case LV_THEME_SPINBOX:
|
||
|
|
lv_obj_clean_style_list(obj, LV_SPINBOX_PART_BG);
|
||
|
|
lv_obj_clean_style_list(obj, LV_SPINBOX_PART_CURSOR);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case LV_THEME_SPINBOX_BTN:
|
||
|
|
lv_obj_clean_style_list(obj, LV_BTN_PART_MAIN);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LV_USE_CALENDAR
|
||
|
|
case LV_THEME_CALENDAR:
|
||
|
|
lv_obj_clean_style_list(obj, LV_CALENDAR_PART_BG);
|
||
|
|
lv_obj_clean_style_list(obj, LV_CALENDAR_PART_DATE);
|
||
|
|
lv_obj_clean_style_list(obj, LV_CALENDAR_PART_HEADER);
|
||
|
|
lv_obj_clean_style_list(obj, LV_CALENDAR_PART_DAY_NAMES);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
#if LV_USE_CPICKER
|
||
|
|
case LV_THEME_CPICKER:
|
||
|
|
lv_obj_clean_style_list(obj, LV_CPICKER_PART_MAIN);
|
||
|
|
lv_obj_clean_style_list(obj, LV_CPICKER_PART_KNOB);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LV_USE_LINEMETER
|
||
|
|
case LV_THEME_LINEMETER:
|
||
|
|
lv_obj_clean_style_list(obj, LV_LINEMETER_PART_MAIN);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
#if LV_USE_GAUGE
|
||
|
|
case LV_THEME_GAUGE:
|
||
|
|
lv_obj_clean_style_list(obj, LV_GAUGE_PART_MAIN);
|
||
|
|
lv_obj_clean_style_list(obj, LV_GAUGE_PART_MAJOR);
|
||
|
|
lv_obj_clean_style_list(obj, LV_GAUGE_PART_NEEDLE);
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|