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rgx/input/
mod.rs

1pub mod editor;
2
3use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
4
5#[derive(Debug, Clone, Copy, PartialEq, Eq)]
6pub enum Action {
7    InsertChar(char),
8    InsertNewline,
9    DeleteBack,
10    DeleteForward,
11    MoveCursorLeft,
12    MoveCursorRight,
13    MoveCursorHome,
14    MoveCursorEnd,
15    MoveCursorWordLeft,
16    MoveCursorWordRight,
17    ScrollUp,
18    ScrollDown,
19    SwitchPanel,
20    SwitchEngine,
21    ToggleCaseInsensitive,
22    ToggleMultiLine,
23    ToggleDotAll,
24    ToggleUnicode,
25    ToggleExtended,
26    ShowHelp,
27    Undo,
28    Redo,
29    HistoryPrev,
30    HistoryNext,
31    CopyMatch,
32    ToggleWhitespace,
33    OutputAndQuit,
34    SaveWorkspace,
35    Quit,
36    None,
37}
38
39pub fn key_to_action(key: KeyEvent) -> Action {
40    match key.code {
41        KeyCode::Char('c') if key.modifiers.contains(KeyModifiers::CONTROL) => Action::Quit,
42        KeyCode::Char('q') if key.modifiers.contains(KeyModifiers::CONTROL) => Action::Quit,
43        KeyCode::Esc => Action::Quit,
44        KeyCode::Tab => Action::SwitchPanel,
45        KeyCode::Char('e') if key.modifiers.contains(KeyModifiers::CONTROL) => Action::SwitchEngine,
46        KeyCode::Char('z') if key.modifiers.contains(KeyModifiers::CONTROL) => Action::Undo,
47        KeyCode::Char('Z')
48            if key
49                .modifiers
50                .contains(KeyModifiers::CONTROL | KeyModifiers::SHIFT) =>
51        {
52            Action::Redo
53        }
54        KeyCode::Char('y') if key.modifiers.contains(KeyModifiers::CONTROL) => Action::CopyMatch,
55        KeyCode::Char('w') if key.modifiers.contains(KeyModifiers::CONTROL) => {
56            Action::ToggleWhitespace
57        }
58        KeyCode::Char('o') if key.modifiers.contains(KeyModifiers::CONTROL) => {
59            Action::OutputAndQuit
60        }
61        KeyCode::Char('s') if key.modifiers.contains(KeyModifiers::CONTROL) => {
62            Action::SaveWorkspace
63        }
64        KeyCode::Char('i') if key.modifiers.contains(KeyModifiers::ALT) => {
65            Action::ToggleCaseInsensitive
66        }
67        KeyCode::Char('m') if key.modifiers.contains(KeyModifiers::ALT) => Action::ToggleMultiLine,
68        KeyCode::Char('s') if key.modifiers.contains(KeyModifiers::ALT) => Action::ToggleDotAll,
69        KeyCode::Char('u') if key.modifiers.contains(KeyModifiers::ALT) => Action::ToggleUnicode,
70        KeyCode::Char('x') if key.modifiers.contains(KeyModifiers::ALT) => Action::ToggleExtended,
71        KeyCode::Up if key.modifiers.contains(KeyModifiers::ALT) => Action::HistoryPrev,
72        KeyCode::Down if key.modifiers.contains(KeyModifiers::ALT) => Action::HistoryNext,
73        KeyCode::F(1) => Action::ShowHelp,
74        KeyCode::Char(c) => Action::InsertChar(c),
75        KeyCode::Enter => Action::InsertNewline,
76        KeyCode::Backspace => Action::DeleteBack,
77        KeyCode::Delete => Action::DeleteForward,
78        KeyCode::Left if key.modifiers.contains(KeyModifiers::CONTROL) => {
79            Action::MoveCursorWordLeft
80        }
81        KeyCode::Right if key.modifiers.contains(KeyModifiers::CONTROL) => {
82            Action::MoveCursorWordRight
83        }
84        KeyCode::Left => Action::MoveCursorLeft,
85        KeyCode::Right => Action::MoveCursorRight,
86        KeyCode::Up => Action::ScrollUp,
87        KeyCode::Down => Action::ScrollDown,
88        KeyCode::Home => Action::MoveCursorHome,
89        KeyCode::End => Action::MoveCursorEnd,
90        _ => Action::None,
91    }
92}