1use crate::prelude::*;
 2use gpui::{Action, Div, IntoElement};
 3
 4#[derive(IntoElement, Clone)]
 5pub struct KeyBinding {
 6    /// A keybinding consists of a key and a set of modifier keys.
 7    /// More then one keybinding produces a chord.
 8    ///
 9    /// This should always contain at least one element.
10    key_binding: gpui::KeyBinding,
11}
12
13impl RenderOnce for KeyBinding {
14    type Rendered = Div;
15
16    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
17        div()
18            .flex()
19            .gap_2()
20            .children(self.key_binding.keystrokes().iter().map(|keystroke| {
21                div()
22                    .flex()
23                    .gap_1()
24                    .when(keystroke.modifiers.function, |el| el.child(Key::new("fn")))
25                    .when(keystroke.modifiers.control, |el| el.child(Key::new("^")))
26                    .when(keystroke.modifiers.alt, |el| el.child(Key::new("⌥")))
27                    .when(keystroke.modifiers.command, |el| el.child(Key::new("⌘")))
28                    .when(keystroke.modifiers.shift, |el| el.child(Key::new("⇧")))
29                    .child(Key::new(keystroke.key.clone()))
30            }))
31    }
32}
33
34impl KeyBinding {
35    pub fn for_action(action: &dyn Action, cx: &mut WindowContext) -> Option<Self> {
36        // todo! this last is arbitrary, we want to prefer users key bindings over defaults,
37        // and vim over normal (in vim mode), etc.
38        let key_binding = cx.bindings_for_action(action).last().cloned()?;
39        Some(Self::new(key_binding))
40    }
41
42    pub fn new(key_binding: gpui::KeyBinding) -> Self {
43        Self { key_binding }
44    }
45}
46
47#[derive(IntoElement)]
48pub struct Key {
49    key: SharedString,
50}
51
52impl RenderOnce for Key {
53    type Rendered = Div;
54
55    fn render(self, cx: &mut WindowContext) -> Self::Rendered {
56        div()
57            .px_2()
58            .py_0()
59            .rounded_md()
60            .text_ui_sm()
61            .text_color(cx.theme().colors().text)
62            .bg(cx.theme().colors().element_background)
63            .child(self.key.clone())
64    }
65}
66
67impl Key {
68    pub fn new(key: impl Into<SharedString>) -> Self {
69        Self { key: key.into() }
70    }
71}