rusty_bubbletea/keyboard.rs
1//! Cleanroom Rust port of upstream Go source file: `keyboard.go`
2//! Upstream Target Tag / Version: `v2.0.8`
3//!
4//! <public-docs>
5//! # Keyboard Enhancements
6//!
7//! Kitty keyboard protocol enhancement message structures and capability queries.
8//! </public-docs>
9
10/// Bitmask constants matching Kitty keyboard protocol enhancements.
11pub const KITTY_REPORT_EVENT_TYPES: i32 = 1 << 0;
12/// Report alternate keys capability flag.
13pub const KITTY_REPORT_ALTERNATE_KEYS: i32 = 1 << 1;
14/// Report all keys as escape codes capability flag.
15pub const KITTY_REPORT_ALL_KEYS_AS_ESCAPE_CODES: i32 = 1 << 2;
16/// Report associated keys capability flag.
17pub const KITTY_REPORT_ASSOCIATED_KEYS: i32 = 1 << 3;
18
19/// KeyboardEnhancements struct matching tea.KeyboardEnhancements in v2.0.8.
20#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
21pub struct KeyboardEnhancements {
22 /// Report press, release, and repeat events.
23 pub report_event_types: bool,
24 /// Report alternate keys.
25 pub report_alternate_keys: bool,
26 /// Report all keys as escape codes.
27 pub report_all_keys_as_escape_codes: bool,
28 /// Report associated text.
29 pub report_associated_text: bool,
30}
31
32/// KeyboardEnhancementsMsg is a message that gets sent when the terminal
33/// supports keyboard enhancements.
34#[derive(Debug, Clone, Copy, PartialEq, Eq)]
35pub struct KeyboardEnhancementsMsg {
36 /// Flags is a bitmask of enabled keyboard enhancement features. A non-zero
37 /// value indicates that at least we have key disambiguation support.
38 ///
39 /// Use the `supports_*` methods for the easy way to check individual flags.
40 pub flags: i32,
41}
42
43impl KeyboardEnhancementsMsg {
44 /// SupportsKeyDisambiguation returns whether the terminal supports key
45 /// disambiguation (e.g., distinguishing between different modifier keys).
46 pub fn supports_key_disambiguation(&self) -> bool {
47 self.flags > 0
48 }
49
50 /// SupportsEventTypes returns whether the terminal supports reporting
51 /// different types of key events (press, release, and repeat).
52 pub fn supports_event_types(&self) -> bool {
53 (self.flags & KITTY_REPORT_EVENT_TYPES) != 0
54 }
55
56 /// SupportsAlternateKeys returns whether the terminal supports reporting
57 /// alternate key codes.
58 pub fn supports_alternate_keys(&self) -> bool {
59 (self.flags & KITTY_REPORT_ALTERNATE_KEYS) != 0
60 }
61
62 /// SupportsAllKeysAsEscapeCodes returns whether the terminal supports
63 /// reporting all keys as escape codes.
64 pub fn supports_all_keys_as_escape_codes(&self) -> bool {
65 (self.flags & KITTY_REPORT_ALL_KEYS_AS_ESCAPE_CODES) != 0
66 }
67
68 /// SupportsAssociatedText returns whether the terminal supports reporting
69 /// associated text with key events.
70 pub fn supports_associated_text(&self) -> bool {
71 (self.flags & KITTY_REPORT_ASSOCIATED_KEYS) != 0
72 }
73}