acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_theme.h (2962B)
      1 /**
      2  *@file lv_theme.h
      3  *
      4  */
      5 
      6 #ifndef LV_THEME_H
      7 #define LV_THEME_H
      8 
      9 #ifdef __cplusplus
     10 extern "C" {
     11 #endif
     12 
     13 /*********************
     14  *    INCLUDES
     15  *********************/
     16 #include "../core/lv_obj.h"
     17 
     18 /*********************
     19  *    DEFINES
     20  *********************/
     21 
     22 /**********************
     23  *    TYPEDEFS
     24  **********************/
     25 
     26 struct _lv_theme_t;
     27 struct _lv_disp_t;
     28 
     29 typedef void (*lv_theme_apply_cb_t)(struct _lv_theme_t *, lv_obj_t *);
     30 
     31 typedef struct _lv_theme_t {
     32     lv_theme_apply_cb_t apply_cb;
     33     struct _lv_theme_t * parent;    /**< Apply the current theme's style on top of this theme.*/
     34     void * user_data;
     35     struct _lv_disp_t * disp;
     36     lv_color_t color_primary;
     37     lv_color_t color_secondary;
     38     const lv_font_t * font_small;
     39     const lv_font_t * font_normal;
     40     const lv_font_t * font_large;
     41     uint32_t flags;                 /*Any custom flag used by the theme*/
     42 } lv_theme_t;
     43 
     44 /**********************
     45  *  GLOBAL PROTOTYPES
     46  **********************/
     47 
     48 /**
     49  * Get the theme assigned to the display of the object
     50  * @param obj       pointer to a theme object
     51  * @return          the theme of the object's display (can be NULL)
     52  */
     53 lv_theme_t  * lv_theme_get_from_obj(lv_obj_t * obj);
     54 
     55 /**
     56  * Apply the active theme on an object
     57  * @param obj pointer to an object
     58  */
     59 void lv_theme_apply(lv_obj_t * obj);
     60 
     61 /**
     62  * Set a base theme for a theme.
     63  * The styles from the base them will be added before the styles of the current theme.
     64  * Arbitrary long chain of themes can be created by setting base themes.
     65  * @param new_theme pointer to theme which base should be set
     66  * @param parent pointer to the base theme
     67  */
     68 void lv_theme_set_parent(lv_theme_t * new_theme, lv_theme_t * parent);
     69 
     70 /**
     71  * Set an apply callback for a theme.
     72  * The apply callback is used to add styles to different objects
     73  * @param theme pointer to theme which callback should be set
     74  * @param apply_cb pointer to the callback
     75  */
     76 void lv_theme_set_apply_cb(lv_theme_t * theme, lv_theme_apply_cb_t apply_cb);
     77 
     78 /**
     79  * Get the small font of the theme
     80  * @param obj pointer to an object
     81  * @return pointer to the font
     82  */
     83 const lv_font_t * lv_theme_get_font_small(lv_obj_t * obj);
     84 /**
     85  * Get the normal font of the theme
     86  * @param obj pointer to an object
     87  * @return pointer to the font
     88  */
     89 const lv_font_t * lv_theme_get_font_normal(lv_obj_t * obj);
     90 
     91 /**
     92  * Get the subtitle font of the theme
     93  * @param obj pointer to an object
     94  * @return pointer to the font
     95  */
     96 const lv_font_t * lv_theme_get_font_large(lv_obj_t * obj);
     97 
     98 /**
     99  * Get the primary color of the theme
    100  * @param obj pointer to an object
    101  * @return the color
    102  */
    103 lv_color_t lv_theme_get_color_primary(lv_obj_t * obj);
    104 
    105 /**
    106  * Get the secondary color of the theme
    107  * @param obj pointer to an object
    108  * @return the color
    109  */
    110 lv_color_t lv_theme_get_color_secondary(lv_obj_t * obj);
    111 
    112 /**********************
    113  *    MACROS
    114  **********************/
    115 
    116 #ifdef __cplusplus
    117 } /*extern "C"*/
    118 #endif
    119 
    120 #endif /*LV_THEME_H*/