Struct ThemeStack 

pub struct ThemeStack { /* private fields */ }

A stack of themes for scoped style overrides.

The stack allows pushing themes that temporarily override styles, then popping them to restore previous styles. Style lookups search from top to bottom.

Implementations

impl ThemeStack

pub fn new(theme: Theme) -> Self

Create a new theme stack with a base theme.

pub fn push(&mut self, theme: Theme, inherit: bool)

Push a theme onto the stack.

If inherit is true, styles from the current top are merged with the new theme’s styles.

pub fn push_theme(&mut self, theme: Theme)

Alias for push with inherit=true.

pub fn pop(&mut self) -> Result<(), ThemeError>

Pop the top theme from the stack.

Returns an error if attempting to pop the base theme.

pub fn pop_theme(&mut self) -> Result<(), ThemeError>

Alias for pop.

pub fn get_style(&self, name: &str) -> Option<Style>

Get a style by name from the top of the stack.

pub fn depth(&self) -> usize

Get the number of themes on the stack.

Trait Implementations

impl Clone for ThemeStack

fn clone(&self) -> ThemeStack

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ThemeStack

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ThemeStack

fn default() -> Self

Returns the “default value” for a type.