lv_theme.h

API reference for lv_theme.h

Summary

Functions

lv_theme_set_parent

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.

void lv_theme_set_parent(lv_theme_t *theme, lv_theme_t *parent)

Name	Type	Description
`theme`	`lv_theme_t *`	pointer to theme which base should be set
`parent`	`lv_theme_t *`	pointer to the base theme

themes/lv_theme.h:73function

lv_theme_set_apply_cb

Set an apply callback for a theme. The apply callback is used to add styles to different objects

void lv_theme_set_apply_cb(lv_theme_t *theme, lv_theme_apply_cb_t apply_cb)

Name	Type	Description
`theme`	`lv_theme_t *`	pointer to theme which callback should be set
`apply_cb`	`lv_theme_apply_cb_t`	pointer to the callback

themes/lv_theme.h:129function

lv_theme_set_external_data

Attaches external user data and destructor callback to the theme.

Associates custom user data with an LVGL theme and specifies a destructor function that will be automatically invoked when the theme is deleted to properly clean up the associated resources.

void lv_theme_set_external_data(lv_theme_t *theme, void *data, void(*free_cb)(void *data))

Name	Type	Description
`theme`	`lv_theme_t *`	Pointer to theme which callback should be set
`data`	`void *`	User-defined data pointer to associate with the theme
`free_cb`	`void()(void data)`	Callback function for cleaning up ext_data when theme is deleted. Receives ext_data as parameter. NULL means no cleanup required.

Typedefs

themes/lv_theme.h:26typedef

lv_theme_apply_cb_t

typedef void(* lv_theme_apply_cb_t) (lv_theme_t *, lv_obj_t *)

Used by 1 function

lv_theme_set_apply_cb — param apply_cb

Dependencies

Indirect dependencies