Struct ThemeProvider 

pub struct ThemeProvider { /* private fields */ }

Holds the active theme, any registered custom themes, and the opt-in “follow the OS appearance” mode.

The reduced-motion preference is deliberately not a field here. GPUI owns that flag (App::reduce_motion) and its own Animation/spring elements read it directly, so a copy on this global would be a second source of truth: a consumer app writing a plain gpui::Animation, or any GPUI internal such as animated-image playback, would keep animating after HeroGPUI was told to stop. ActiveTheme::reduce_motion therefore reads GPUI’s flag and set_reduce_motion writes it, so the two cannot disagree.

Implementations

impl ThemeProvider

pub fn init(cx: &mut App)

Registers the provider with the default light theme.

Call this once before opening the first window. Rendering a themed component before initialization panics.

pub fn init_with(theme: Theme, cx: &mut App)

Registers the provider starting from an explicit theme.

Call this once before opening the first window. Rendering a themed component before initialization panics.

pub fn get(cx: &App) -> &Self

pub fn theme(&self) -> &Theme

pub fn active_id(&self) -> &SharedString

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

Registers and activates a custom theme.

pub fn set_active(&mut self, id: impl Into<SharedString>)

Activates a previously registered theme by id.

pub fn follows_system_appearance(&self) -> bool

Whether the OS light/dark appearance is being followed — the state a three-way “Light / Dark / System” setting needs to render itself.

Trait Implementations

impl Global for ThemeProvider