Trait piston::TouchEvent

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pub trait TouchEvent: Sized {
    // Required methods
    fn from_touch_args(args: &TouchArgs, old_event: &Self) -> Option<Self>;
    fn touch<U, F>(&self, f: F) -> Option<U>
       where F: FnMut(&TouchArgs) -> U;

    // Provided method
    fn touch_args(&self) -> Option<TouchArgs> { ... }
}
Expand description

When a touch is started, moved, ended or cancelled.

Required Methods§

source

fn from_touch_args(args: &TouchArgs, old_event: &Self) -> Option<Self>

Creates a touch event.

Preserves time stamp from original input event, if any.

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fn touch<U, F>(&self, f: F) -> Option<U>
where F: FnMut(&TouchArgs) -> U,

Calls closure if this is a touch event.

Provided Methods§

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fn touch_args(&self) -> Option<TouchArgs>

Returns touch arguments.

Object Safety§

This trait is not object safe.

Implementors§