use terminput::{
Event, KeyCode, KeyEvent, KeyEventKind, KeyEventState, KeyModifiers, MediaKeyCode,
ModifierDirection, ModifierKeyCode, MouseButton, MouseEvent, MouseEventKind, ScrollDirection,
UnsupportedEvent,
};
#[cfg(all(feature = "termwiz_0_22", not(feature = "termwiz_0_23")))]
use termwiz_0_22 as termwiz;
#[cfg(feature = "termwiz_0_23")]
use termwiz_0_23 as termwiz;
pub fn to_terminput(value: termwiz::input::InputEvent) -> Result<Event, UnsupportedEvent> {
Ok(match value {
termwiz::input::InputEvent::Key(key_event) => Event::Key(to_terminput_key(key_event)?),
termwiz::input::InputEvent::Mouse(mouse_event) => {
Event::Mouse(to_terminput_mouse(mouse_event)?)
}
termwiz::input::InputEvent::Resized { cols, rows } => Event::Resize {
cols: cols as u32,
rows: rows as u32,
},
termwiz::input::InputEvent::Paste(val) => Event::Paste(val),
termwiz::input::InputEvent::PixelMouse(_) | termwiz::input::InputEvent::Wake => {
Err(UnsupportedEvent(format!("{value:?}")))?
}
})
}
pub fn to_termwiz(value: Event) -> Result<termwiz::input::InputEvent, UnsupportedEvent> {
Ok(match value {
Event::Key(key_event) => termwiz::input::InputEvent::Key(to_termwiz_key(key_event)?),
Event::Mouse(mouse_event) => {
termwiz::input::InputEvent::Mouse(mouse_to_termwiz(mouse_event)?)
}
Event::Paste(val) => termwiz::input::InputEvent::Paste(val),
Event::Resize { cols, rows } => termwiz::input::InputEvent::Resized {
cols: cols as usize,
rows: rows as usize,
},
Event::FocusGained | Event::FocusLost => Err(UnsupportedEvent(format!("{value:?}")))?,
})
}
pub fn to_terminput_key(value: termwiz::input::KeyEvent) -> Result<KeyEvent, UnsupportedEvent> {
let (code, state) = match value.key {
termwiz::input::KeyCode::Char(c) => (KeyCode::Char(c), KeyEventState::empty()),
termwiz::input::KeyCode::Hyper => (
KeyCode::Modifier(ModifierKeyCode::Hyper, ModifierDirection::Unknown),
KeyEventState::empty(),
),
termwiz::input::KeyCode::Super => (
KeyCode::Modifier(ModifierKeyCode::Super, ModifierDirection::Unknown),
KeyEventState::empty(),
),
termwiz::input::KeyCode::Meta => (
KeyCode::Modifier(ModifierKeyCode::Meta, ModifierDirection::Unknown),
KeyEventState::empty(),
),
termwiz::input::KeyCode::Backspace => (KeyCode::Backspace, KeyEventState::empty()),
termwiz::input::KeyCode::Tab => (KeyCode::Tab, KeyEventState::empty()),
termwiz::input::KeyCode::Enter => (KeyCode::Enter, KeyEventState::empty()),
termwiz::input::KeyCode::Shift => (
KeyCode::Modifier(ModifierKeyCode::Shift, ModifierDirection::Unknown),
KeyEventState::empty(),
),
termwiz::input::KeyCode::Escape => (KeyCode::Esc, KeyEventState::empty()),
termwiz::input::KeyCode::LeftShift => (
KeyCode::Modifier(ModifierKeyCode::Shift, ModifierDirection::Left),
KeyEventState::empty(),
),
termwiz::input::KeyCode::RightShift => (
KeyCode::Modifier(ModifierKeyCode::Shift, ModifierDirection::Right),
KeyEventState::empty(),
),
termwiz::input::KeyCode::Control => (
KeyCode::Modifier(ModifierKeyCode::Control, ModifierDirection::Unknown),
KeyEventState::empty(),
),
termwiz::input::KeyCode::LeftControl => (
KeyCode::Modifier(ModifierKeyCode::Control, ModifierDirection::Left),
KeyEventState::empty(),
),
termwiz::input::KeyCode::RightControl => (
KeyCode::Modifier(ModifierKeyCode::Control, ModifierDirection::Right),
KeyEventState::empty(),
),
termwiz::input::KeyCode::Alt => (
KeyCode::Modifier(ModifierKeyCode::Alt, ModifierDirection::Unknown),
KeyEventState::empty(),
),
termwiz::input::KeyCode::LeftAlt => (
KeyCode::Modifier(ModifierKeyCode::Alt, ModifierDirection::Left),
KeyEventState::empty(),
),
termwiz::input::KeyCode::RightAlt => (
KeyCode::Modifier(ModifierKeyCode::Alt, ModifierDirection::Right),
KeyEventState::empty(),
),
termwiz::input::KeyCode::Menu => (KeyCode::Menu, KeyEventState::empty()),
termwiz::input::KeyCode::LeftMenu => (KeyCode::Menu, KeyEventState::empty()),
termwiz::input::KeyCode::RightMenu => (KeyCode::Menu, KeyEventState::empty()),
termwiz::input::KeyCode::Pause => (KeyCode::Pause, KeyEventState::empty()),
termwiz::input::KeyCode::CapsLock => (KeyCode::CapsLock, KeyEventState::CAPS_LOCK),
termwiz::input::KeyCode::PageUp => (KeyCode::PageUp, KeyEventState::empty()),
termwiz::input::KeyCode::PageDown => (KeyCode::PageDown, KeyEventState::empty()),
termwiz::input::KeyCode::End => (KeyCode::End, KeyEventState::empty()),
termwiz::input::KeyCode::Home => (KeyCode::Home, KeyEventState::empty()),
termwiz::input::KeyCode::LeftArrow => (KeyCode::Left, KeyEventState::empty()),
termwiz::input::KeyCode::RightArrow => (KeyCode::Right, KeyEventState::empty()),
termwiz::input::KeyCode::UpArrow => (KeyCode::Up, KeyEventState::empty()),
termwiz::input::KeyCode::DownArrow => (KeyCode::Down, KeyEventState::empty()),
termwiz::input::KeyCode::Print => (KeyCode::PrintScreen, KeyEventState::empty()),
termwiz::input::KeyCode::PrintScreen => (KeyCode::PrintScreen, KeyEventState::empty()),
termwiz::input::KeyCode::Insert => (KeyCode::Insert, KeyEventState::empty()),
termwiz::input::KeyCode::Delete => (KeyCode::Delete, KeyEventState::empty()),
termwiz::input::KeyCode::LeftWindows => (
KeyCode::Modifier(ModifierKeyCode::Meta, ModifierDirection::Left),
KeyEventState::empty(),
),
termwiz::input::KeyCode::RightWindows => (
KeyCode::Modifier(ModifierKeyCode::Meta, ModifierDirection::Right),
KeyEventState::empty(),
),
termwiz::input::KeyCode::Numpad0 => (KeyCode::Char('0'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Numpad1 => (KeyCode::Char('1'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Numpad2 => (KeyCode::Char('2'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Numpad3 => (KeyCode::Char('3'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Numpad4 => (KeyCode::Char('4'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Numpad5 => (KeyCode::Char('5'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Numpad6 => (KeyCode::Char('6'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Numpad7 => (KeyCode::Char('7'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Numpad8 => (KeyCode::Char('8'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Numpad9 => (KeyCode::Char('9'), KeyEventState::KEYPAD),
termwiz::input::KeyCode::Multiply => (KeyCode::Char('*'), KeyEventState::empty()),
termwiz::input::KeyCode::Add => (KeyCode::Char('+'), KeyEventState::empty()),
termwiz::input::KeyCode::Subtract => (KeyCode::Char('-'), KeyEventState::empty()),
termwiz::input::KeyCode::Decimal => (KeyCode::Char('.'), KeyEventState::empty()),
termwiz::input::KeyCode::Divide => (KeyCode::Char('/'), KeyEventState::empty()),
termwiz::input::KeyCode::Function(f) => (KeyCode::F(f), KeyEventState::empty()),
termwiz::input::KeyCode::NumLock => (KeyCode::NumLock, KeyEventState::NUM_LOCK),
termwiz::input::KeyCode::ScrollLock => (KeyCode::ScrollLock, KeyEventState::empty()),
termwiz::input::KeyCode::VolumeMute => (
KeyCode::Media(MediaKeyCode::MuteVolume),
KeyEventState::empty(),
),
termwiz::input::KeyCode::VolumeDown => (
KeyCode::Media(MediaKeyCode::LowerVolume),
KeyEventState::empty(),
),
termwiz::input::KeyCode::VolumeUp => (
KeyCode::Media(MediaKeyCode::RaiseVolume),
KeyEventState::empty(),
),
termwiz::input::KeyCode::MediaNextTrack => (
KeyCode::Media(MediaKeyCode::TrackNext),
KeyEventState::empty(),
),
termwiz::input::KeyCode::MediaPrevTrack => (
KeyCode::Media(MediaKeyCode::TrackPrevious),
KeyEventState::empty(),
),
termwiz::input::KeyCode::MediaStop => {
(KeyCode::Media(MediaKeyCode::Stop), KeyEventState::empty())
}
termwiz::input::KeyCode::MediaPlayPause => (
KeyCode::Media(MediaKeyCode::PlayPause),
KeyEventState::empty(),
),
termwiz::input::KeyCode::ApplicationLeftArrow => (KeyCode::Left, KeyEventState::empty()),
termwiz::input::KeyCode::ApplicationRightArrow => (KeyCode::Right, KeyEventState::empty()),
termwiz::input::KeyCode::ApplicationUpArrow => (KeyCode::Up, KeyEventState::empty()),
termwiz::input::KeyCode::ApplicationDownArrow => (KeyCode::Down, KeyEventState::empty()),
termwiz::input::KeyCode::KeyPadHome => (KeyCode::Home, KeyEventState::KEYPAD),
termwiz::input::KeyCode::KeyPadEnd => (KeyCode::End, KeyEventState::KEYPAD),
termwiz::input::KeyCode::KeyPadPageUp => (KeyCode::PageUp, KeyEventState::KEYPAD),
termwiz::input::KeyCode::KeyPadPageDown => (KeyCode::PageDown, KeyEventState::KEYPAD),
termwiz::input::KeyCode::KeyPadBegin => (KeyCode::KeypadBegin, KeyEventState::KEYPAD),
_ => Err(UnsupportedEvent(format!("{value:?}")))?,
};
Ok(KeyEvent {
code,
modifiers: to_terminput_key_modifiers(value.modifiers),
kind: KeyEventKind::Press,
state,
})
}
pub fn to_termwiz_key(value: KeyEvent) -> Result<termwiz::input::KeyEvent, UnsupportedEvent> {
let is_keypad = value.state.intersects(KeyEventState::KEYPAD);
let key = match value.code {
KeyCode::Backspace => termwiz::input::KeyCode::Backspace,
KeyCode::Enter => termwiz::input::KeyCode::Enter,
KeyCode::Left => termwiz::input::KeyCode::LeftArrow,
KeyCode::Right => termwiz::input::KeyCode::RightArrow,
KeyCode::Up => termwiz::input::KeyCode::UpArrow,
KeyCode::Down => termwiz::input::KeyCode::DownArrow,
KeyCode::Home if is_keypad => termwiz::input::KeyCode::KeyPadHome,
KeyCode::Home => termwiz::input::KeyCode::Home,
KeyCode::End if is_keypad => termwiz::input::KeyCode::KeyPadEnd,
KeyCode::End => termwiz::input::KeyCode::End,
KeyCode::PageUp if is_keypad => termwiz::input::KeyCode::KeyPadPageUp,
KeyCode::PageUp => termwiz::input::KeyCode::PageUp,
KeyCode::PageDown if is_keypad => termwiz::input::KeyCode::KeyPadPageDown,
KeyCode::PageDown => termwiz::input::KeyCode::PageDown,
KeyCode::Tab => termwiz::input::KeyCode::Tab,
KeyCode::Delete => termwiz::input::KeyCode::Delete,
KeyCode::Insert => termwiz::input::KeyCode::Insert,
KeyCode::F(f) => termwiz::input::KeyCode::Function(f),
KeyCode::Char('0') if is_keypad => termwiz::input::KeyCode::Numpad0,
KeyCode::Char('1') if is_keypad => termwiz::input::KeyCode::Numpad1,
KeyCode::Char('2') if is_keypad => termwiz::input::KeyCode::Numpad2,
KeyCode::Char('3') if is_keypad => termwiz::input::KeyCode::Numpad3,
KeyCode::Char('4') if is_keypad => termwiz::input::KeyCode::Numpad4,
KeyCode::Char('5') if is_keypad => termwiz::input::KeyCode::Numpad5,
KeyCode::Char('6') if is_keypad => termwiz::input::KeyCode::Numpad6,
KeyCode::Char('7') if is_keypad => termwiz::input::KeyCode::Numpad7,
KeyCode::Char('8') if is_keypad => termwiz::input::KeyCode::Numpad8,
KeyCode::Char('9') if is_keypad => termwiz::input::KeyCode::Numpad9,
KeyCode::Char(c) => termwiz::input::KeyCode::Char(c),
KeyCode::Esc => termwiz::input::KeyCode::Escape,
KeyCode::CapsLock => termwiz::input::KeyCode::CapsLock,
KeyCode::ScrollLock => termwiz::input::KeyCode::ScrollLock,
KeyCode::NumLock => termwiz::input::KeyCode::NumLock,
KeyCode::PrintScreen => termwiz::input::KeyCode::PrintScreen,
KeyCode::Pause => termwiz::input::KeyCode::Pause,
KeyCode::Menu => termwiz::input::KeyCode::Menu,
KeyCode::KeypadBegin => termwiz::input::KeyCode::KeyPadBegin,
KeyCode::Media(MediaKeyCode::Play) => termwiz::input::KeyCode::MediaPlayPause,
KeyCode::Media(MediaKeyCode::Pause) => termwiz::input::KeyCode::MediaPlayPause,
KeyCode::Media(MediaKeyCode::PlayPause) => termwiz::input::KeyCode::MediaPlayPause,
KeyCode::Media(MediaKeyCode::Stop) => termwiz::input::KeyCode::MediaStop,
KeyCode::Media(
MediaKeyCode::Reverse
| MediaKeyCode::FastForward
| MediaKeyCode::Rewind
| MediaKeyCode::Record,
) => {
return Err(UnsupportedEvent(format!("{value:?}")));
}
KeyCode::Media(MediaKeyCode::TrackNext) => termwiz::input::KeyCode::MediaNextTrack,
KeyCode::Media(MediaKeyCode::TrackPrevious) => termwiz::input::KeyCode::MediaPrevTrack,
KeyCode::Media(MediaKeyCode::LowerVolume) => termwiz::input::KeyCode::VolumeDown,
KeyCode::Media(MediaKeyCode::RaiseVolume) => termwiz::input::KeyCode::VolumeUp,
KeyCode::Media(MediaKeyCode::MuteVolume) => termwiz::input::KeyCode::VolumeMute,
KeyCode::Modifier(ModifierKeyCode::Alt, ModifierDirection::Left) => {
termwiz::input::KeyCode::LeftAlt
}
KeyCode::Modifier(ModifierKeyCode::Alt, ModifierDirection::Right) => {
termwiz::input::KeyCode::RightAlt
}
KeyCode::Modifier(ModifierKeyCode::Alt, ModifierDirection::Unknown) => {
termwiz::input::KeyCode::Alt
}
KeyCode::Modifier(ModifierKeyCode::Control, ModifierDirection::Left) => {
termwiz::input::KeyCode::LeftControl
}
KeyCode::Modifier(ModifierKeyCode::Control, ModifierDirection::Right) => {
termwiz::input::KeyCode::RightControl
}
KeyCode::Modifier(ModifierKeyCode::Control, ModifierDirection::Unknown) => {
termwiz::input::KeyCode::Control
}
KeyCode::Modifier(ModifierKeyCode::Shift, ModifierDirection::Left) => {
termwiz::input::KeyCode::LeftShift
}
KeyCode::Modifier(ModifierKeyCode::Shift, ModifierDirection::Right) => {
termwiz::input::KeyCode::RightShift
}
KeyCode::Modifier(ModifierKeyCode::Shift, ModifierDirection::Unknown) => {
termwiz::input::KeyCode::Shift
}
KeyCode::Modifier(ModifierKeyCode::Super, _) => termwiz::input::KeyCode::Super,
KeyCode::Modifier(ModifierKeyCode::Hyper, _) => termwiz::input::KeyCode::Hyper,
KeyCode::Modifier(ModifierKeyCode::Meta, _) => termwiz::input::KeyCode::Meta,
KeyCode::Modifier(ModifierKeyCode::IsoLevel3Shift | ModifierKeyCode::IsoLevel5Shift, _) => {
return Err(UnsupportedEvent(format!("{value:?}")));
}
};
Ok(termwiz::input::KeyEvent {
key,
modifiers: to_termwiz_key_modifiers(value.modifiers),
})
}
fn to_terminput_key_modifiers(value: termwiz::input::Modifiers) -> KeyModifiers {
let mut res = KeyModifiers::empty();
if value.intersects(
termwiz::input::Modifiers::ALT
| termwiz::input::Modifiers::LEFT_ALT
| termwiz::input::Modifiers::RIGHT_ALT,
) {
res |= KeyModifiers::ALT;
}
if value.intersects(
termwiz::input::Modifiers::SHIFT
| termwiz::input::Modifiers::LEFT_SHIFT
| termwiz::input::Modifiers::RIGHT_SHIFT,
) {
res |= KeyModifiers::SHIFT;
}
if value.intersects(
termwiz::input::Modifiers::CTRL
| termwiz::input::Modifiers::LEFT_CTRL
| termwiz::input::Modifiers::RIGHT_CTRL,
) {
res |= KeyModifiers::CTRL;
}
if value.intersects(termwiz::input::Modifiers::SUPER) {
res |= KeyModifiers::SUPER;
}
res
}
fn to_termwiz_key_modifiers(value: KeyModifiers) -> termwiz::input::Modifiers {
let mut res = termwiz::input::Modifiers::empty();
if value.intersects(KeyModifiers::ALT) {
res |= termwiz::input::Modifiers::ALT;
}
if value.intersects(KeyModifiers::SHIFT) {
res |= termwiz::input::Modifiers::SHIFT;
}
if value.intersects(KeyModifiers::CTRL) {
res |= termwiz::input::Modifiers::CTRL;
}
if value.intersects(KeyModifiers::SUPER) {
res |= termwiz::input::Modifiers::SUPER;
}
res
}
pub fn to_terminput_mouse(
value: termwiz::input::MouseEvent,
) -> Result<MouseEvent, UnsupportedEvent> {
if value
.mouse_buttons
.contains(termwiz::input::MouseButtons::LEFT)
{
return Ok(MouseEvent {
kind: MouseEventKind::Down(MouseButton::Left),
column: value.x - 1,
row: value.y - 1,
modifiers: to_terminput_key_modifiers(value.modifiers),
});
}
if value
.mouse_buttons
.contains(termwiz::input::MouseButtons::RIGHT)
{
return Ok(MouseEvent {
kind: MouseEventKind::Down(MouseButton::Right),
column: value.x - 1,
row: value.y - 1,
modifiers: to_terminput_key_modifiers(value.modifiers),
});
}
if value
.mouse_buttons
.contains(termwiz::input::MouseButtons::MIDDLE)
{
return Ok(MouseEvent {
kind: MouseEventKind::Down(MouseButton::Middle),
column: value.x - 1,
row: value.y - 1,
modifiers: to_terminput_key_modifiers(value.modifiers),
});
}
if value.mouse_buttons.contains(
termwiz::input::MouseButtons::VERT_WHEEL | termwiz::input::MouseButtons::WHEEL_POSITIVE,
) {
return Ok(MouseEvent {
kind: MouseEventKind::Scroll(ScrollDirection::Up),
column: value.x - 1,
row: value.y - 1,
modifiers: to_terminput_key_modifiers(value.modifiers),
});
}
if value
.mouse_buttons
.contains(termwiz::input::MouseButtons::VERT_WHEEL)
{
return Ok(MouseEvent {
kind: MouseEventKind::Scroll(ScrollDirection::Down),
column: value.x - 1,
row: value.y - 1,
modifiers: to_terminput_key_modifiers(value.modifiers),
});
}
if value.mouse_buttons.contains(
termwiz::input::MouseButtons::HORZ_WHEEL | termwiz::input::MouseButtons::WHEEL_POSITIVE,
) {
return Ok(MouseEvent {
kind: MouseEventKind::Scroll(ScrollDirection::Left),
column: value.x - 1,
row: value.y - 1,
modifiers: to_terminput_key_modifiers(value.modifiers),
});
}
if value
.mouse_buttons
.contains(termwiz::input::MouseButtons::HORZ_WHEEL)
{
return Ok(MouseEvent {
kind: MouseEventKind::Scroll(ScrollDirection::Right),
column: value.x - 1,
row: value.y - 1,
modifiers: to_terminput_key_modifiers(value.modifiers),
});
}
if value.mouse_buttons == termwiz::input::MouseButtons::NONE {
return Ok(MouseEvent {
kind: MouseEventKind::Moved,
column: value.x - 1,
row: value.y - 1,
modifiers: to_terminput_key_modifiers(value.modifiers),
});
}
Err(UnsupportedEvent(format!("{value:?}")))
}
pub fn mouse_to_termwiz(value: MouseEvent) -> Result<termwiz::input::MouseEvent, UnsupportedEvent> {
Ok(match value.kind {
MouseEventKind::Down(MouseButton::Left | MouseButton::Unknown) => {
termwiz::input::MouseEvent {
mouse_buttons: termwiz::input::MouseButtons::LEFT,
x: value.column + 1,
y: value.row + 1,
modifiers: to_termwiz_key_modifiers(value.modifiers),
}
}
MouseEventKind::Down(MouseButton::Right) => termwiz::input::MouseEvent {
mouse_buttons: termwiz::input::MouseButtons::RIGHT,
x: value.column + 1,
y: value.row + 1,
modifiers: to_termwiz_key_modifiers(value.modifiers),
},
MouseEventKind::Down(MouseButton::Middle) => termwiz::input::MouseEvent {
mouse_buttons: termwiz::input::MouseButtons::MIDDLE,
x: value.column + 1,
y: value.row + 1,
modifiers: to_termwiz_key_modifiers(value.modifiers),
},
MouseEventKind::Up(_) | MouseEventKind::Drag(_) => {
Err(UnsupportedEvent(format!("{value:?}")))?
}
MouseEventKind::Moved => termwiz::input::MouseEvent {
mouse_buttons: termwiz::input::MouseButtons::NONE,
x: value.column + 1,
y: value.row + 1,
modifiers: to_termwiz_key_modifiers(value.modifiers),
},
MouseEventKind::Scroll(ScrollDirection::Down) => termwiz::input::MouseEvent {
mouse_buttons: termwiz::input::MouseButtons::VERT_WHEEL,
x: value.column + 1,
y: value.row + 1,
modifiers: to_termwiz_key_modifiers(value.modifiers),
},
MouseEventKind::Scroll(ScrollDirection::Up) => termwiz::input::MouseEvent {
mouse_buttons: termwiz::input::MouseButtons::VERT_WHEEL
| termwiz::input::MouseButtons::WHEEL_POSITIVE,
x: value.column + 1,
y: value.row + 1,
modifiers: to_termwiz_key_modifiers(value.modifiers),
},
MouseEventKind::Scroll(ScrollDirection::Left) => termwiz::input::MouseEvent {
mouse_buttons: termwiz::input::MouseButtons::HORZ_WHEEL,
x: value.column + 1,
y: value.row + 1,
modifiers: to_termwiz_key_modifiers(value.modifiers),
},
MouseEventKind::Scroll(ScrollDirection::Right) => termwiz::input::MouseEvent {
mouse_buttons: termwiz::input::MouseButtons::HORZ_WHEEL
| termwiz::input::MouseButtons::WHEEL_POSITIVE,
x: value.column + 1,
y: value.row + 1,
modifiers: to_termwiz_key_modifiers(value.modifiers),
},
})
}