Struct OverlayManager 

pub struct OverlayManager(/* private fields */);

Counts open windows and paints a darkening overlay.

Cheap to clone (Arc). Stored on crate::theme::Theme::overlay_manager.

Implementations

impl OverlayManager

pub fn new() -> Self

Create a manager with no open windows.

pub fn tint_0(&self) -> Color32

Lightest preset tint.

pub fn tint_1(&self) -> Color32

Light preset tint.

pub fn tint_2(&self) -> Color32

Medium preset tint.

pub fn tint_3(&self) -> Color32

Darkest preset tint.

pub fn counter(&self) -> u8

Number of currently tracked open windows.

pub fn order(&self) -> Order

Last paint layer selected via paint_*.

pub fn paint_background(&self)

Paint the next overlay on the background layer.

pub fn paint_middle(&self)

Paint the next overlay on the middle layer.

pub fn paint_foreground(&self)

Paint the next overlay on the foreground layer.

pub fn paint_tooltip(&self)

Paint the next overlay on the tooltip layer.

pub fn paint_debug(&self)

Paint the next overlay on the debug layer.

pub fn window_opened(&self)

Call this when you open a window

pub fn window_closed(&self)

Call this when you close a window

pub fn recommended_order(&self) -> Order

Layer suggested by the current window count.

pub fn calculate_alpha(&self) -> u8

Alpha derived from the window count (0 if none are open).

pub fn overlay_tint(&self) -> Color32

Returns the tint color based on the counter

pub fn paint_overlay(&self, ctx: &Context, recommend_order: bool)

Paints a full-screen darkening overlay up to Foreground layer if needed

If recommend_order is true, it will choose an order based on the counter

pub fn paint_overlay_at( &self, ctx: &Context, rect: Rect, order: Order, id: Id, tint: Color32, )

Paints an overlay at a specific screen position

Trait Implementations

impl Clone for OverlayManager

fn clone(&self) -> OverlayManager

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OverlayManager

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

Formats the value using the given formatter.

impl Default for OverlayManager

fn default() -> OverlayManager

Returns the “default value” for a type.