Struct PaintCx 

pub struct PaintCx<'a> { /* private fields */ }

What a widget gets while it paints.

Implementations

impl PaintCx<'_>

pub fn id(&self) -> WidgetId

The widget being painted.

pub fn rect(&self) -> Rect

Where the widget is, in physical pixels from the window’s top-left corner.

pub fn content_rect(&self) -> Rect

The widget’s rectangle inside its padding.

pub fn scroll(&self) -> Point

How far the widget’s children are scrolled.

pub fn content_size(&self) -> Size

The size of what the widget’s children cover, for scroll bars.

pub fn is_hovered(&self) -> bool

Whether the pointer is over the widget or one of its children.

pub fn is_focused(&self) -> bool

Whether the widget has keyboard focus.

pub fn is_pressed(&self) -> bool

Whether the widget handled a pointer press that has not been released yet.

pub fn is_hover_target(&self) -> bool

Whether the pointer is over the widget itself, not one of its children.

pub fn children(&self) -> &[WidgetId]

The widget’s children, first painted first.

pub fn rect_of(&self, id: WidgetId) -> Option<Rect>

Where id is, if it is alive.

pub fn theme(&self) -> &Theme

The theme.

pub fn scale(&self) -> f32

Physical pixels per logical pixel.

pub fn px(&self, logical: f32) -> f32

logical pixels in physical pixels.

impl PaintCx<'_>

pub fn is_popup_open(&self, id: WidgetId) -> bool

Whether id is an open popup.

Trait Implementations

impl<'a> Clone for PaintCx<'a>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Copy for PaintCx<'a>

impl<'a> Debug for PaintCx<'a>

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

Formats the value using the given formatter.