Enum Event 

pub enum Event {
    MouseMove {
        pos: Point,
    },
    MouseDown {
        pos: Point,
        button: MouseButton,
        modifiers: Modifiers,
    },
    MouseUp {
        pos: Point,
        button: MouseButton,
        modifiers: Modifiers,
    },
    KeyDown {
        key: Key,
        modifiers: Modifiers,
    },
    KeyUp {
        key: Key,
        modifiers: Modifiers,
    },
    FocusGained,
    FocusLost,
    MouseWheel {
        pos: Point,
        delta_y: f64,
        delta_x: f64,
        modifiers: Modifiers,
    },
    FileDropped {
        pos: Point,
        paths: Vec<PathBuf>,
    },
}

A GUI event delivered to a widget.

Coordinate positions are in the local coordinate space of the widget receiving the event (bottom-left origin, Y-up). The framework translates positions as it descends the widget tree.

Variants

MouseMove

The cursor moved to pos (may be outside widget bounds — used to clear hover state).

Fields

pos: Point

MouseDown

A mouse button was pressed at pos.

Fields

pos: Point

button: MouseButton

modifiers: Modifiers

MouseUp

A mouse button was released at pos.

Fields

pos: Point

button: MouseButton

modifiers: Modifiers

KeyDown

A key was pressed while this widget (or a descendant) had focus.

Fields

key: Key

modifiers: Modifiers

KeyUp

A key was released.

Fields

key: Key

modifiers: Modifiers

FocusGained

Sent by the framework when this widget gains keyboard focus.

FocusLost

Sent by the framework when this widget loses keyboard focus.

MouseWheel

Mouse wheel scrolled. Convention matches winit / WheelEvent after the OS applies its natural-scroll preference: positive delta_y means the user wants to see content ABOVE the current view (wheel rotated forward on Windows / wheel forward + natural-scroll on macOS). Scroll containers should DECREASE their scroll offset when delta_y is positive. delta_x follows the same sign rule for horizontal scroll (positive = see content to the LEFT). Magnitude is in logical pixels; line deltas should be pre-scaled by the platform shell (~40 px per line).

Fields

pos: Point

delta_y: f64

delta_x: f64

modifiers: Modifiers

FileDropped

One or more files were dropped onto the window at pos.

paths is non-empty. Native windowing layers (winit) typically emit one path per WindowEvent::DroppedFile — the framework either forwards each as its own FileDropped event, or batches drops within a single gesture into one event. Receivers should not rely on batching behaviour: handle each path in the vec.

Coordinates follow the same convention as MouseMove/MouseDown: widget-local Y-up. The cursor lives at pos at the moment of drop, so widgets can spawn objects under the user’s intent.

Fields

pos: Point

paths: Vec<PathBuf>

Trait Implementations

impl Clone for Event

fn clone(&self) -> Event

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Event

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

Formats the value using the given formatter.