Struct sdl2::keyboard::KeyboardState [−][src]
pub struct KeyboardState<'a> { /* fields omitted */ }
Implementations
impl<'a> KeyboardState<'a>
[src]
impl<'a> KeyboardState<'a>
[src]pub fn new(_e: &'a EventPump) -> KeyboardState<'a>
[src]
pub fn is_scancode_pressed(&self, scancode: Scancode) -> bool
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Returns true if the scancode is pressed.
Example
use sdl2::keyboard::Scancode; fn is_a_pressed(e: &sdl2::EventPump) -> bool { e.keyboard_state().is_scancode_pressed(Scancode::A) }
pub fn scancodes(&self) -> ScancodeIterator<'_>ⓘNotable traits for ScancodeIterator<'a>
impl<'a> Iterator for ScancodeIterator<'a> type Item = (Scancode, bool);
[src]
Notable traits for ScancodeIterator<'a>
impl<'a> Iterator for ScancodeIterator<'a> type Item = (Scancode, bool);
Returns an iterator all scancodes with a boolean indicating if the scancode is pressed.
pub fn pressed_scancodes(&self) -> PressedScancodeIterator<'_>ⓘNotable traits for PressedScancodeIterator<'a>
impl<'a> Iterator for PressedScancodeIterator<'a> type Item = Scancode;
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Notable traits for PressedScancodeIterator<'a>
impl<'a> Iterator for PressedScancodeIterator<'a> type Item = Scancode;
Returns an iterator of pressed scancodes.
Example
use sdl2::keyboard::Keycode; use sdl2::keyboard::Scancode; use std::collections::HashSet; fn pressed_scancode_set(e: &sdl2::EventPump) -> HashSet<Scancode> { e.keyboard_state().pressed_scancodes().collect() } fn pressed_keycode_set(e: &sdl2::EventPump) -> HashSet<Keycode> { e.keyboard_state().pressed_scancodes() .filter_map(Keycode::from_scancode) .collect() } fn newly_pressed(old: &HashSet<Scancode>, new: &HashSet<Scancode>) -> HashSet<Scancode> { new - old // sugar for: new.difference(old).collect() }
Auto Trait Implementations
impl<'a> RefUnwindSafe for KeyboardState<'a>
impl<'a> RefUnwindSafe for KeyboardState<'a>
impl<'a> Send for KeyboardState<'a>
impl<'a> Send for KeyboardState<'a>
impl<'a> Sync for KeyboardState<'a>
impl<'a> Sync for KeyboardState<'a>
impl<'a> Unpin for KeyboardState<'a>
impl<'a> Unpin for KeyboardState<'a>
impl<'a> UnwindSafe for KeyboardState<'a>
impl<'a> UnwindSafe for KeyboardState<'a>