use winit::keyboard::ModifiersState;
pub struct ShiftState {
shift: bool,
ctrl: bool,
alt: bool,
}
impl ShiftState {
pub fn new() -> Self {
Self {
shift: false,
ctrl: false,
alt: false,
}
}
pub fn shift_down(&self) -> bool {
self.shift
}
pub fn ctrl_down(&self) -> bool {
self.ctrl
}
pub fn alt_down(&self) -> bool {
self.alt
}
pub fn shift_only(&self) -> bool {
self.shift && !self.ctrl && !self.alt
}
pub fn ctrl_only(&self) -> bool {
!self.shift && self.ctrl && !self.alt
}
pub fn alt_only(&self) -> bool {
!self.shift && !self.ctrl && self.alt
}
pub fn shift_ctrl(&self) -> bool {
self.shift && self.ctrl && !self.alt
}
pub fn shift_alt(&self) -> bool {
self.shift && !self.ctrl && self.alt
}
pub fn ctrl_alt(&self) -> bool {
!self.shift && self.ctrl && self.alt
}
pub fn shift_ctrl_alt(&self) -> bool {
self.shift && self.ctrl && self.alt
}
pub fn update(&mut self, modifiers: ModifiersState) {
self.shift = modifiers.shift_key();
self.ctrl = modifiers.control_key();
self.alt = modifiers.alt_key();
}
}
impl Default for ShiftState {
fn default() -> Self {
Self::new()
}
}
