pub struct Modifiers {
pub alt: bool,
pub ctrl: bool,
pub shift: bool,
pub mac_cmd: bool,
pub command: bool,
}
Expand description
State of the modifier keys. These must be fed to egui.
The best way to compare Modifiers
is by using Modifiers::matches
.
NOTE: For cross-platform uses, ALT+SHIFT is a bad combination of modifiers as on mac that is how you type special characters, so those key presses are usually not reported to egui.
Fields§
§alt: bool
Either of the alt keys are down (option ⌥ on Mac).
ctrl: bool
Either of the control keys are down.
When checking for keyboard shortcuts, consider using Self::command
instead.
shift: bool
Either of the shift keys are down.
mac_cmd: bool
The Mac ⌘ Command key. Should always be set to false
on other platforms.
command: bool
On Windows and Linux, set this to the same value as ctrl
.
On Mac, this should be set whenever one of the ⌘ Command keys are down (same as mac_cmd
).
This is so that egui can, for instance, select all text by checking for command + A
and it will work on both Mac and Windows.
Implementations§
§impl Modifiers
impl Modifiers
pub const NONE: Modifiers = _
pub const ALT: Modifiers = _
pub const CTRL: Modifiers = _
pub const SHIFT: Modifiers = _
pub const ALT_SHIFT: Modifiers = _
Modifiers::ALT | Modifiers::SHIFT
insteadpub const fn plus(self, rhs: Modifiers) -> Modifiers
pub const fn plus(self, rhs: Modifiers) -> Modifiers
assert_eq!(
Modifiers::CTRL | Modifiers::ALT,
Modifiers { ctrl: true, alt: true, ..Default::default() }
);
assert_eq!(
Modifiers::ALT.plus(Modifiers::CTRL),
Modifiers::CTRL.plus(Modifiers::ALT),
);
assert_eq!(
Modifiers::CTRL | Modifiers::ALT,
Modifiers::CTRL.plus(Modifiers::ALT),
);
pub fn is_none(&self) -> bool
pub fn any(&self) -> bool
pub fn all(&self) -> bool
pub fn shift_only(&self) -> bool
pub fn shift_only(&self) -> bool
Is shift the only pressed button?
pub fn command_only(&self) -> bool
pub fn command_only(&self) -> bool
true if only Self::ctrl
or only Self::mac_cmd
is pressed.
pub fn matches(&self, pattern: Modifiers) -> bool
pub fn matches(&self, pattern: Modifiers) -> bool
Check for equality but with proper handling of Self::command
.
§Example:
if current_modifiers.matches(Modifiers::ALT | Modifiers::SHIFT) {
// Alt and Shift are pressed, and nothing else
}
§Behavior:
assert!(Modifiers::CTRL.matches(Modifiers::CTRL));
assert!(!Modifiers::CTRL.matches(Modifiers::CTRL | Modifiers::SHIFT));
assert!(!(Modifiers::CTRL | Modifiers::SHIFT).matches(Modifiers::CTRL));
assert!((Modifiers::CTRL | Modifiers::COMMAND).matches(Modifiers::CTRL));
assert!((Modifiers::CTRL | Modifiers::COMMAND).matches(Modifiers::COMMAND));
assert!((Modifiers::MAC_CMD | Modifiers::COMMAND).matches(Modifiers::COMMAND));
assert!(!Modifiers::COMMAND.matches(Modifiers::MAC_CMD));
pub fn contains(&self, query: Modifiers) -> bool
pub fn contains(&self, query: Modifiers) -> bool
Whether another set of modifiers is contained in this set of modifiers with proper handling of Self::command
.
assert!(Modifiers::default().contains(Modifiers::default()));
assert!(Modifiers::CTRL.contains(Modifiers::default()));
assert!(Modifiers::CTRL.contains(Modifiers::CTRL));
assert!(Modifiers::CTRL.contains(Modifiers::COMMAND));
assert!(Modifiers::MAC_CMD.contains(Modifiers::COMMAND));
assert!(Modifiers::COMMAND.contains(Modifiers::MAC_CMD));
assert!(Modifiers::COMMAND.contains(Modifiers::CTRL));
assert!(!(Modifiers::ALT | Modifiers::CTRL).contains(Modifiers::SHIFT));
assert!((Modifiers::CTRL | Modifiers::SHIFT).contains(Modifiers::CTRL));
assert!(!Modifiers::CTRL.contains(Modifiers::CTRL | Modifiers::SHIFT));
Trait Implementations§
§impl<'de> Deserialize<'de> for Modifiers
impl<'de> Deserialize<'de> for Modifiers
§fn deserialize<__D>(
__deserializer: __D,
) -> Result<Modifiers, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(
__deserializer: __D,
) -> Result<Modifiers, <__D as Deserializer<'de>>::Error>where
__D: Deserializer<'de>,
§impl Serialize for Modifiers
impl Serialize for Modifiers
§fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
fn serialize<__S>(
&self,
__serializer: __S,
) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>where
__S: Serializer,
impl Copy for Modifiers
impl Eq for Modifiers
impl StructuralPartialEq for Modifiers
Auto Trait Implementations§
impl Freeze for Modifiers
impl RefUnwindSafe for Modifiers
impl Send for Modifiers
impl Sync for Modifiers
impl Unpin for Modifiers
impl UnwindSafe for Modifiers
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