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@ -4,8 +4,53 @@ use helix_core::unicode::width::UnicodeWidthStr;
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use serde::de::{self, Deserialize, Deserializer};
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use std::fmt;
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use crate::keyboard::{KeyCode, KeyModifiers};
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pub use crate::keyboard::{KeyCode, KeyModifiers};
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#[derive(Debug, PartialOrd, PartialEq, Eq, Clone, Copy, Hash)]
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pub enum Event {
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Key(KeyEvent),
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Mouse(MouseEvent),
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Resize(u16, u16),
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}
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#[derive(Debug, PartialOrd, PartialEq, Eq, Clone, Copy, Hash)]
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pub struct MouseEvent {
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/// The kind of mouse event that was caused.
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pub kind: MouseEventKind,
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/// The column that the event occurred on.
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pub column: u16,
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/// The row that the event occurred on.
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pub row: u16,
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/// The key modifiers active when the event occurred.
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pub modifiers: KeyModifiers,
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}
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#[derive(Debug, PartialOrd, PartialEq, Eq, Clone, Copy, Hash)]
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pub enum MouseEventKind {
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/// Pressed mouse button. Contains the button that was pressed.
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Down(MouseButton),
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/// Released mouse button. Contains the button that was released.
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Up(MouseButton),
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/// Moved the mouse cursor while pressing the contained mouse button.
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Drag(MouseButton),
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/// Moved the mouse cursor while not pressing a mouse button.
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Moved,
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/// Scrolled mouse wheel downwards (towards the user).
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ScrollDown,
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/// Scrolled mouse wheel upwards (away from the user).
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ScrollUp,
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}
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/// Represents a mouse button.
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#[derive(Debug, PartialOrd, PartialEq, Eq, Clone, Copy, Hash)]
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pub enum MouseButton {
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/// Left mouse button.
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Left,
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/// Right mouse button.
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Right,
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/// Middle mouse button.
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Middle,
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}
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/// Represents a key event.
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// We use a newtype here because we want to customize Deserialize and Display.
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Hash)]
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@ -214,6 +259,61 @@ impl<'de> Deserialize<'de> for KeyEvent {
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}
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}
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#[cfg(feature = "term")]
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impl From<crossterm::event::Event> for Event {
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fn from(event: crossterm::event::Event) -> Self {
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match event {
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crossterm::event::Event::Key(key) => Self::Key(key.into()),
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crossterm::event::Event::Mouse(mouse) => Self::Mouse(mouse.into()),
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crossterm::event::Event::Resize(w, h) => Self::Resize(w, h),
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}
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}
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}
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#[cfg(feature = "term")]
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impl From<crossterm::event::MouseEvent> for MouseEvent {
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fn from(
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crossterm::event::MouseEvent {
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kind,
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column,
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row,
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modifiers,
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}: crossterm::event::MouseEvent,
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) -> Self {
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Self {
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kind: kind.into(),
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column,
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row,
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modifiers: modifiers.into(),
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}
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}
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}
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#[cfg(feature = "term")]
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impl From<crossterm::event::MouseEventKind> for MouseEventKind {
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fn from(kind: crossterm::event::MouseEventKind) -> Self {
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match kind {
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crossterm::event::MouseEventKind::Down(button) => Self::Down(button.into()),
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crossterm::event::MouseEventKind::Up(button) => Self::Down(button.into()),
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crossterm::event::MouseEventKind::Drag(button) => Self::Drag(button.into()),
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crossterm::event::MouseEventKind::Moved => Self::Moved,
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crossterm::event::MouseEventKind::ScrollDown => Self::ScrollDown,
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crossterm::event::MouseEventKind::ScrollUp => Self::ScrollUp,
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}
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}
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}
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#[cfg(feature = "term")]
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impl From<crossterm::event::MouseButton> for MouseButton {
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fn from(button: crossterm::event::MouseButton) -> Self {
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match button {
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crossterm::event::MouseButton::Left => MouseButton::Left,
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crossterm::event::MouseButton::Right => MouseButton::Right,
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crossterm::event::MouseButton::Middle => MouseButton::Middle,
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}
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}
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}
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#[cfg(feature = "term")]
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impl From<crossterm::event::KeyEvent> for KeyEvent {
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fn from(crossterm::event::KeyEvent { code, modifiers }: crossterm::event::KeyEvent) -> Self {
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