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helix/helix-view/src/keyboard.rs

346 lines
12 KiB
Rust

use bitflags::bitflags;
bitflags! {
/// Represents key modifiers (shift, control, alt).
pub struct KeyModifiers: u8 {
const SHIFT = 0b0000_0001;
const CONTROL = 0b0000_0010;
const ALT = 0b0000_0100;
const NONE = 0b0000_0000;
}
}
#[cfg(feature = "term")]
impl From<KeyModifiers> for crossterm::event::KeyModifiers {
fn from(key_modifiers: KeyModifiers) -> Self {
use crossterm::event::KeyModifiers as CKeyModifiers;
let mut result = CKeyModifiers::NONE;
if key_modifiers.contains(KeyModifiers::SHIFT) {
result.insert(CKeyModifiers::SHIFT);
}
if key_modifiers.contains(KeyModifiers::CONTROL) {
result.insert(CKeyModifiers::CONTROL);
}
if key_modifiers.contains(KeyModifiers::ALT) {
result.insert(CKeyModifiers::ALT);
}
result
}
}
#[cfg(feature = "term")]
impl From<crossterm::event::KeyModifiers> for KeyModifiers {
fn from(val: crossterm::event::KeyModifiers) -> Self {
use crossterm::event::KeyModifiers as CKeyModifiers;
let mut result = KeyModifiers::NONE;
if val.contains(CKeyModifiers::SHIFT) {
result.insert(KeyModifiers::SHIFT);
}
if val.contains(CKeyModifiers::CONTROL) {
result.insert(KeyModifiers::CONTROL);
}
if val.contains(CKeyModifiers::ALT) {
result.insert(KeyModifiers::ALT);
}
result
}
}
/// Represents a media key (as part of [`KeyCode::Media`]).
#[derive(Debug, PartialOrd, Ord, PartialEq, Eq, Clone, Copy, Hash)]
pub enum MediaKeyCode {
/// Play media key.
Play,
/// Pause media key.
Pause,
/// Play/Pause media key.
PlayPause,
/// Reverse media key.
Reverse,
/// Stop media key.
Stop,
/// Fast-forward media key.
FastForward,
/// Rewind media key.
Rewind,
/// Next-track media key.
TrackNext,
/// Previous-track media key.
TrackPrevious,
/// Record media key.
Record,
/// Lower-volume media key.
LowerVolume,
/// Raise-volume media key.
RaiseVolume,
/// Mute media key.
MuteVolume,
}
#[cfg(feature = "term")]
impl From<MediaKeyCode> for crossterm::event::MediaKeyCode {
fn from(media_key_code: MediaKeyCode) -> Self {
use crossterm::event::MediaKeyCode as CMediaKeyCode;
match media_key_code {
MediaKeyCode::Play => CMediaKeyCode::Play,
MediaKeyCode::Pause => CMediaKeyCode::Pause,
MediaKeyCode::PlayPause => CMediaKeyCode::PlayPause,
MediaKeyCode::Reverse => CMediaKeyCode::Reverse,
MediaKeyCode::Stop => CMediaKeyCode::Stop,
MediaKeyCode::FastForward => CMediaKeyCode::FastForward,
MediaKeyCode::Rewind => CMediaKeyCode::Rewind,
MediaKeyCode::TrackNext => CMediaKeyCode::TrackNext,
MediaKeyCode::TrackPrevious => CMediaKeyCode::TrackPrevious,
MediaKeyCode::Record => CMediaKeyCode::Record,
MediaKeyCode::LowerVolume => CMediaKeyCode::LowerVolume,
MediaKeyCode::RaiseVolume => CMediaKeyCode::RaiseVolume,
MediaKeyCode::MuteVolume => CMediaKeyCode::MuteVolume,
}
}
}
#[cfg(feature = "term")]
impl From<crossterm::event::MediaKeyCode> for MediaKeyCode {
fn from(val: crossterm::event::MediaKeyCode) -> Self {
use crossterm::event::MediaKeyCode as CMediaKeyCode;
match val {
CMediaKeyCode::Play => MediaKeyCode::Play,
CMediaKeyCode::Pause => MediaKeyCode::Pause,
CMediaKeyCode::PlayPause => MediaKeyCode::PlayPause,
CMediaKeyCode::Reverse => MediaKeyCode::Reverse,
CMediaKeyCode::Stop => MediaKeyCode::Stop,
CMediaKeyCode::FastForward => MediaKeyCode::FastForward,
CMediaKeyCode::Rewind => MediaKeyCode::Rewind,
CMediaKeyCode::TrackNext => MediaKeyCode::TrackNext,
CMediaKeyCode::TrackPrevious => MediaKeyCode::TrackPrevious,
CMediaKeyCode::Record => MediaKeyCode::Record,
CMediaKeyCode::LowerVolume => MediaKeyCode::LowerVolume,
CMediaKeyCode::RaiseVolume => MediaKeyCode::RaiseVolume,
CMediaKeyCode::MuteVolume => MediaKeyCode::MuteVolume,
}
}
}
/// Represents a media key (as part of [`KeyCode::Modifier`]).
#[derive(Debug, PartialOrd, Ord, PartialEq, Eq, Clone, Copy, Hash)]
pub enum ModifierKeyCode {
/// Left Shift key.
LeftShift,
/// Left Control key.
LeftControl,
/// Left Alt key.
LeftAlt,
/// Left Super key.
LeftSuper,
/// Left Hyper key.
LeftHyper,
/// Left Meta key.
LeftMeta,
/// Right Shift key.
RightShift,
/// Right Control key.
RightControl,
/// Right Alt key.
RightAlt,
/// Right Super key.
RightSuper,
/// Right Hyper key.
RightHyper,
/// Right Meta key.
RightMeta,
/// Iso Level3 Shift key.
IsoLevel3Shift,
/// Iso Level5 Shift key.
IsoLevel5Shift,
}
#[cfg(feature = "term")]
impl From<ModifierKeyCode> for crossterm::event::ModifierKeyCode {
fn from(modifier_key_code: ModifierKeyCode) -> Self {
use crossterm::event::ModifierKeyCode as CModifierKeyCode;
match modifier_key_code {
ModifierKeyCode::LeftShift => CModifierKeyCode::LeftShift,
ModifierKeyCode::LeftControl => CModifierKeyCode::LeftControl,
ModifierKeyCode::LeftAlt => CModifierKeyCode::LeftAlt,
ModifierKeyCode::LeftSuper => CModifierKeyCode::LeftSuper,
ModifierKeyCode::LeftHyper => CModifierKeyCode::LeftHyper,
ModifierKeyCode::LeftMeta => CModifierKeyCode::LeftMeta,
ModifierKeyCode::RightShift => CModifierKeyCode::RightShift,
ModifierKeyCode::RightControl => CModifierKeyCode::RightControl,
ModifierKeyCode::RightAlt => CModifierKeyCode::RightAlt,
ModifierKeyCode::RightSuper => CModifierKeyCode::RightSuper,
ModifierKeyCode::RightHyper => CModifierKeyCode::RightHyper,
ModifierKeyCode::RightMeta => CModifierKeyCode::RightMeta,
ModifierKeyCode::IsoLevel3Shift => CModifierKeyCode::IsoLevel3Shift,
ModifierKeyCode::IsoLevel5Shift => CModifierKeyCode::IsoLevel5Shift,
}
}
}
#[cfg(feature = "term")]
impl From<crossterm::event::ModifierKeyCode> for ModifierKeyCode {
fn from(val: crossterm::event::ModifierKeyCode) -> Self {
use crossterm::event::ModifierKeyCode as CModifierKeyCode;
match val {
CModifierKeyCode::LeftShift => ModifierKeyCode::LeftShift,
CModifierKeyCode::LeftControl => ModifierKeyCode::LeftControl,
CModifierKeyCode::LeftAlt => ModifierKeyCode::LeftAlt,
CModifierKeyCode::LeftSuper => ModifierKeyCode::LeftSuper,
CModifierKeyCode::LeftHyper => ModifierKeyCode::LeftHyper,
CModifierKeyCode::LeftMeta => ModifierKeyCode::LeftMeta,
CModifierKeyCode::RightShift => ModifierKeyCode::RightShift,
CModifierKeyCode::RightControl => ModifierKeyCode::RightControl,
CModifierKeyCode::RightAlt => ModifierKeyCode::RightAlt,
CModifierKeyCode::RightSuper => ModifierKeyCode::RightSuper,
CModifierKeyCode::RightHyper => ModifierKeyCode::RightHyper,
CModifierKeyCode::RightMeta => ModifierKeyCode::RightMeta,
CModifierKeyCode::IsoLevel3Shift => ModifierKeyCode::IsoLevel3Shift,
CModifierKeyCode::IsoLevel5Shift => ModifierKeyCode::IsoLevel5Shift,
}
}
}
/// Represents a key.
#[derive(Debug, PartialOrd, Ord, PartialEq, Eq, Clone, Copy, Hash)]
pub enum KeyCode {
/// Backspace key.
Backspace,
/// Enter key.
Enter,
/// Left arrow key.
Left,
/// Right arrow key.
Right,
/// Up arrow key.
Up,
/// Down arrow key.
Down,
/// Home key.
Home,
/// End key.
End,
/// Page up key.
PageUp,
/// Page down key.
PageDown,
/// Tab key.
Tab,
/// Delete key.
Delete,
/// Insert key.
Insert,
/// F key.
///
/// `KeyCode::F(1)` represents F1 key, etc.
F(u8),
/// A character.
///
/// `KeyCode::Char('c')` represents `c` character, etc.
Char(char),
/// Null.
Null,
/// Escape key.
Esc,
/// CapsLock key.
CapsLock,
/// ScrollLock key.
ScrollLock,
/// NumLock key.
NumLock,
/// PrintScreen key.
PrintScreen,
/// Pause key.
Pause,
/// Menu key.
Menu,
/// KeypadBegin key.
KeypadBegin,
/// A media key.
Media(MediaKeyCode),
/// A modifier key.
Modifier(ModifierKeyCode),
}
#[cfg(feature = "term")]
impl From<KeyCode> for crossterm::event::KeyCode {
fn from(key_code: KeyCode) -> Self {
use crossterm::event::KeyCode as CKeyCode;
match key_code {
KeyCode::Backspace => CKeyCode::Backspace,
KeyCode::Enter => CKeyCode::Enter,
KeyCode::Left => CKeyCode::Left,
KeyCode::Right => CKeyCode::Right,
KeyCode::Up => CKeyCode::Up,
KeyCode::Down => CKeyCode::Down,
KeyCode::Home => CKeyCode::Home,
KeyCode::End => CKeyCode::End,
KeyCode::PageUp => CKeyCode::PageUp,
KeyCode::PageDown => CKeyCode::PageDown,
KeyCode::Tab => CKeyCode::Tab,
KeyCode::Delete => CKeyCode::Delete,
KeyCode::Insert => CKeyCode::Insert,
KeyCode::F(f_number) => CKeyCode::F(f_number),
KeyCode::Char(character) => CKeyCode::Char(character),
KeyCode::Null => CKeyCode::Null,
KeyCode::Esc => CKeyCode::Esc,
KeyCode::CapsLock => CKeyCode::CapsLock,
KeyCode::ScrollLock => CKeyCode::ScrollLock,
KeyCode::NumLock => CKeyCode::NumLock,
KeyCode::PrintScreen => CKeyCode::PrintScreen,
KeyCode::Pause => CKeyCode::Pause,
KeyCode::Menu => CKeyCode::Menu,
KeyCode::KeypadBegin => CKeyCode::KeypadBegin,
KeyCode::Media(media_key_code) => CKeyCode::Media(media_key_code.into()),
KeyCode::Modifier(modifier_key_code) => CKeyCode::Modifier(modifier_key_code.into()),
}
}
}
#[cfg(feature = "term")]
impl From<crossterm::event::KeyCode> for KeyCode {
fn from(val: crossterm::event::KeyCode) -> Self {
use crossterm::event::KeyCode as CKeyCode;
match val {
CKeyCode::Backspace => KeyCode::Backspace,
CKeyCode::Enter => KeyCode::Enter,
CKeyCode::Left => KeyCode::Left,
CKeyCode::Right => KeyCode::Right,
CKeyCode::Up => KeyCode::Up,
CKeyCode::Down => KeyCode::Down,
CKeyCode::Home => KeyCode::Home,
CKeyCode::End => KeyCode::End,
CKeyCode::PageUp => KeyCode::PageUp,
CKeyCode::PageDown => KeyCode::PageDown,
CKeyCode::Tab => KeyCode::Tab,
CKeyCode::BackTab => unreachable!("BackTab should have been handled on KeyEvent level"),
CKeyCode::Delete => KeyCode::Delete,
CKeyCode::Insert => KeyCode::Insert,
CKeyCode::F(f_number) => KeyCode::F(f_number),
CKeyCode::Char(character) => KeyCode::Char(character),
CKeyCode::Null => KeyCode::Null,
CKeyCode::Esc => KeyCode::Esc,
CKeyCode::CapsLock => KeyCode::CapsLock,
CKeyCode::ScrollLock => KeyCode::ScrollLock,
CKeyCode::NumLock => KeyCode::NumLock,
CKeyCode::PrintScreen => KeyCode::PrintScreen,
CKeyCode::Pause => KeyCode::Pause,
CKeyCode::Menu => KeyCode::Menu,
CKeyCode::KeypadBegin => KeyCode::KeypadBegin,
CKeyCode::Media(media_key_code) => KeyCode::Media(media_key_code.into()),
CKeyCode::Modifier(modifier_key_code) => KeyCode::Modifier(modifier_key_code.into()),
}
}
}