#![allow(missing_docs)]use crate::PlatformStyle;use crate::{h_flex, prelude::*, Icon, IconName, IconSize};use gpui::{relative, Action, FocusHandle, IntoElement, Keystroke, WindowContext}; #[derive(IntoElement, Clone)]pub struct KeyBinding { /// A keybinding consists of a key and a set of modifier keys. /// More then one keybinding produces a chord. /// /// This should always contain at least one element. key_binding: gpui::KeyBinding, /// The [`PlatformStyle`] to use when displaying this keybinding. platform_style: PlatformStyle,} impl KeyBinding { pub fn for_action(action: &dyn Action, cx: &mut WindowContext) -> Option<Self> { let key_binding = cx.bindings_for_action(action).last().cloned()?; Some(Self::new(key_binding)) } // like for_action(), but lets you specify the context from which keybindings // are matched. pub fn for_action_in( action: &dyn Action, focus: &FocusHandle, cx: &mut WindowContext, ) -> Option<Self> { let key_binding = cx.bindings_for_action_in(action, focus).last().cloned()?; Some(Self::new(key_binding)) } fn icon_for_key(&self, keystroke: &Keystroke) -> Option<IconName> { match keystroke.key.as_str() { "left" => Some(IconName::ArrowLeft), "right" => Some(IconName::ArrowRight), "up" => Some(IconName::ArrowUp), "down" => Some(IconName::ArrowDown), "backspace" => Some(IconName::Backspace), "delete" => Some(IconName::Delete), "return" => Some(IconName::Return), "enter" => Some(IconName::Return), "tab" => Some(IconName::Tab), "space" => Some(IconName::Space), "escape" => Some(IconName::Escape), "pagedown" => Some(IconName::PageDown), "pageup" => Some(IconName::PageUp), "shift" if self.platform_style == PlatformStyle::Mac => Some(IconName::Shift), "control" if self.platform_style == PlatformStyle::Mac => Some(IconName::Control), "platform" if self.platform_style == PlatformStyle::Mac => Some(IconName::Command), "function" if self.platform_style == PlatformStyle::Mac => Some(IconName::Control), "alt" if self.platform_style == PlatformStyle::Mac => Some(IconName::Option), _ => None, } } pub fn new(key_binding: gpui::KeyBinding) -> Self { Self { key_binding, platform_style: PlatformStyle::platform(), } } /// Sets the [`PlatformStyle`] for this [`KeyBinding`]. pub fn platform_style(mut self, platform_style: PlatformStyle) -> Self { self.platform_style = platform_style; self }} impl RenderOnce for KeyBinding { fn render(self, cx: &mut WindowContext) -> impl IntoElement { h_flex() .debug_selector(|| { format!( "KEY_BINDING-{}", self.key_binding .keystrokes() .iter() .map(|k| k.key.to_string()) .collect::<Vec<_>>() .join(" ") ) }) .gap(Spacing::Small.rems(cx)) .flex_none() .children(self.key_binding.keystrokes().iter().map(|keystroke| { let key_icon = self.icon_for_key(keystroke); h_flex() .flex_none() .py_0p5() .rounded_sm() .text_color(cx.theme().colors().text_muted) .when(keystroke.modifiers.function, |el| { match self.platform_style { PlatformStyle::Mac => el.child(Key::new("fn")), PlatformStyle::Linux | PlatformStyle::Windows => { el.child(Key::new("Fn")).child(Key::new("+")) } } }) .when(keystroke.modifiers.control, |el| { match self.platform_style { PlatformStyle::Mac => el.child(KeyIcon::new(IconName::Control)), PlatformStyle::Linux | PlatformStyle::Windows => { el.child(Key::new("Ctrl")).child(Key::new("+")) } } }) .when(keystroke.modifiers.alt, |el| match self.platform_style { PlatformStyle::Mac => el.child(KeyIcon::new(IconName::Option)), PlatformStyle::Linux | PlatformStyle::Windows => { el.child(Key::new("Alt")).child(Key::new("+")) } }) .when(keystroke.modifiers.platform, |el| { match self.platform_style { PlatformStyle::Mac => el.child(KeyIcon::new(IconName::Command)), PlatformStyle::Linux => { el.child(Key::new("Super")).child(Key::new("+")) } PlatformStyle::Windows => { el.child(Key::new("Win")).child(Key::new("+")) } } }) .when(keystroke.modifiers.shift, |el| match self.platform_style { PlatformStyle::Mac => el.child(KeyIcon::new(IconName::Shift)), PlatformStyle::Linux | PlatformStyle::Windows => { el.child(Key::new("Shift")).child(Key::new("+")) } }) .map(|el| match key_icon { Some(icon) => el.child(KeyIcon::new(icon)), None => el.child(Key::new(keystroke.key.to_uppercase())), }) })) }} #[derive(IntoElement)]pub struct Key { key: SharedString,} impl RenderOnce for Key { fn render(self, cx: &mut WindowContext) -> impl IntoElement { let single_char = self.key.len() == 1; div() .py_0() .map(|this| { if single_char { this.w(rems_from_px(14.)) .flex() .flex_none() .justify_center() } else { this.px_0p5() } }) .h(rems_from_px(14.)) .text_ui(cx) .line_height(relative(1.)) .text_color(cx.theme().colors().text_muted) .child(self.key.clone()) }} impl Key { pub fn new(key: impl Into<SharedString>) -> Self { Self { key: key.into() } }} #[derive(IntoElement)]pub struct KeyIcon { icon: IconName,} impl RenderOnce for KeyIcon { fn render(self, _cx: &mut WindowContext) -> impl IntoElement { Icon::new(self.icon) .size(IconSize::Small) .color(Color::Muted) }} impl KeyIcon { pub fn new(icon: IconName) -> Self { Self { icon } }} /// Returns a textual representation of the key binding for the given [`Action`].pub fn text_for_action(action: &dyn Action, cx: &mut WindowContext) -> Option<String> { let key_binding = cx.bindings_for_action(action).last().cloned()?; Some(text_for_key_binding(key_binding, PlatformStyle::platform()))} /// Returns a textual representation of the key binding for the given [`Action`]/// as if the provided [`FocusHandle`] was focused.pub fn text_for_action_in( action: &dyn Action, focus: &FocusHandle, cx: &mut WindowContext,) -> Option<String> { let key_binding = cx.bindings_for_action_in(action, focus).last().cloned()?; Some(text_for_key_binding(key_binding, PlatformStyle::platform()))} /// Returns a textual representation of the given key binding for the specified platform.pub fn text_for_key_binding( key_binding: gpui::KeyBinding, platform_style: PlatformStyle,) -> String { key_binding .keystrokes() .iter() .map(|keystroke| text_for_keystroke(keystroke, platform_style)) .collect::<Vec<_>>() .join(" ")} /// Returns a textual representation of the given [`Keystroke`].pub fn text_for_keystroke(keystroke: &Keystroke, platform_style: PlatformStyle) -> String { let mut text = String::new(); let delimiter = match platform_style { PlatformStyle::Mac => '-', PlatformStyle::Linux | PlatformStyle::Windows => '+', }; if keystroke.modifiers.function { match platform_style { PlatformStyle::Mac => text.push_str("fn"), PlatformStyle::Linux | PlatformStyle::Windows => text.push_str("Fn"), } text.push(delimiter); } if keystroke.modifiers.control { match platform_style { PlatformStyle::Mac => text.push_str("Control"), PlatformStyle::Linux | PlatformStyle::Windows => text.push_str("Ctrl"), } text.push(delimiter); } if keystroke.modifiers.alt { match platform_style { PlatformStyle::Mac => text.push_str("Option"), PlatformStyle::Linux | PlatformStyle::Windows => text.push_str("Alt"), } text.push(delimiter); } if keystroke.modifiers.platform { match platform_style { PlatformStyle::Mac => text.push_str("Command"), PlatformStyle::Linux => text.push_str("Super"), PlatformStyle::Windows => text.push_str("Win"), } text.push(delimiter); } if keystroke.modifiers.shift { match platform_style { PlatformStyle::Mac | PlatformStyle::Linux | PlatformStyle::Windows => { text.push_str("Shift") } } text.push(delimiter); } fn capitalize(str: &str) -> String { let mut chars = str.chars(); match chars.next() { None => String::new(), Some(first_char) => first_char.to_uppercase().collect::<String>() + chars.as_str(), } } let key = match keystroke.key.as_str() { "pageup" => "PageUp", "pagedown" => "PageDown", key => &capitalize(key), }; text.push_str(key); text} #[cfg(test)]mod tests { use super::*; #[test] fn test_text_for_keystroke() { assert_eq!( text_for_keystroke(&Keystroke::parse("cmd-c").unwrap(), PlatformStyle::Mac), "Command-C".to_string() ); assert_eq!( text_for_keystroke(&Keystroke::parse("cmd-c").unwrap(), PlatformStyle::Linux), "Super+C".to_string() ); assert_eq!( text_for_keystroke(&Keystroke::parse("cmd-c").unwrap(), PlatformStyle::Windows), "Win+C".to_string() ); assert_eq!( text_for_keystroke( &Keystroke::parse("ctrl-alt-delete").unwrap(), PlatformStyle::Mac ), "Control-Option-Delete".to_string() ); assert_eq!( text_for_keystroke( &Keystroke::parse("ctrl-alt-delete").unwrap(), PlatformStyle::Linux ), "Ctrl+Alt+Delete".to_string() ); assert_eq!( text_for_keystroke( &Keystroke::parse("ctrl-alt-delete").unwrap(), PlatformStyle::Windows ), "Ctrl+Alt+Delete".to_string() ); assert_eq!( text_for_keystroke( &Keystroke::parse("shift-pageup").unwrap(), PlatformStyle::Mac ), "Shift-PageUp".to_string() ); assert_eq!( text_for_keystroke( &Keystroke::parse("shift-pageup").unwrap(), PlatformStyle::Linux ), "Shift+PageUp".to_string() ); assert_eq!( text_for_keystroke( &Keystroke::parse("shift-pageup").unwrap(), PlatformStyle::Windows ), "Shift+PageUp".to_string() ); }}
#![allow(missing_docs)]
use crate::PlatformStyle;
use crate::{h_flex, prelude::*, Icon, IconName, IconSize};
use gpui::{relative, Action, FocusHandle, IntoElement, Keystroke, WindowContext};
#[derive(IntoElement, Clone)]
pub struct KeyBinding {
/// A keybinding consists of a key and a set of modifier keys.
/// More then one keybinding produces a chord.
///
/// This should always contain at least one element.
key_binding: gpui::KeyBinding,
/// The [`PlatformStyle`] to use when displaying this keybinding.
platform_style: PlatformStyle,
}
impl KeyBinding {
pub fn for_action(action: &dyn Action, cx: &mut WindowContext) -> Option<Self> {
let key_binding = cx.bindings_for_action(action).last().cloned()?;
Some(Self::new(key_binding))
}
// like for_action(), but lets you specify the context from which keybindings
// are matched.
pub fn for_action_in(
action: &dyn Action,
focus: &FocusHandle,
cx: &mut WindowContext,
) -> Option<Self> {
let key_binding = cx.bindings_for_action_in(action, focus).last().cloned()?;
Some(Self::new(key_binding))
}
fn icon_for_key(&self, keystroke: &Keystroke) -> Option<IconName> {
match keystroke.key.as_str() {
"left" => Some(IconName::ArrowLeft),
"right" => Some(IconName::ArrowRight),
"up" => Some(IconName::ArrowUp),
"down" => Some(IconName::ArrowDown),
"backspace" => Some(IconName::Backspace),
"delete" => Some(IconName::Delete),
"return" => Some(IconName::Return),
"enter" => Some(IconName::Return),
"tab" => Some(IconName::Tab),
"space" => Some(IconName::Space),
"escape" => Some(IconName::Escape),
"pagedown" => Some(IconName::PageDown),
"pageup" => Some(IconName::PageUp),
"shift" if self.platform_style == PlatformStyle::Mac => Some(IconName::Shift),
"control" if self.platform_style == PlatformStyle::Mac => Some(IconName::Control),
"platform" if self.platform_style == PlatformStyle::Mac => Some(IconName::Command),
"function" if self.platform_style == PlatformStyle::Mac => Some(IconName::Control),
"alt" if self.platform_style == PlatformStyle::Mac => Some(IconName::Option),
_ => None,
}
}
pub fn new(key_binding: gpui::KeyBinding) -> Self {
Self {
key_binding,
platform_style: PlatformStyle::platform(),
}
}
/// Sets the [`PlatformStyle`] for this [`KeyBinding`].
pub fn platform_style(mut self, platform_style: PlatformStyle) -> Self {
self.platform_style = platform_style;
self
}
}
impl RenderOnce for KeyBinding {
fn render(self, cx: &mut WindowContext) -> impl IntoElement {
h_flex()
.debug_selector(|| {
format!(
"KEY_BINDING-{}",
self.key_binding
.keystrokes()
.iter()
.map(|k| k.key.to_string())
.collect::<Vec<_>>()
.join(" ")
)
})
.gap(Spacing::Small.rems(cx))
.flex_none()
.children(self.key_binding.keystrokes().iter().map(|keystroke| {
let key_icon = self.icon_for_key(keystroke);
h_flex()
.flex_none()
.py_0p5()
.rounded_sm()
.text_color(cx.theme().colors().text_muted)
.when(keystroke.modifiers.function, |el| {
match self.platform_style {
PlatformStyle::Mac => el.child(Key::new("fn")),
PlatformStyle::Linux | PlatformStyle::Windows => {
el.child(Key::new("Fn")).child(Key::new("+"))
}
}
})
.when(keystroke.modifiers.control, |el| {
match self.platform_style {
PlatformStyle::Mac => el.child(KeyIcon::new(IconName::Control)),
PlatformStyle::Linux | PlatformStyle::Windows => {
el.child(Key::new("Ctrl")).child(Key::new("+"))
}
}
})
.when(keystroke.modifiers.alt, |el| match self.platform_style {
PlatformStyle::Mac => el.child(KeyIcon::new(IconName::Option)),
PlatformStyle::Linux | PlatformStyle::Windows => {
el.child(Key::new("Alt")).child(Key::new("+"))
}
})
.when(keystroke.modifiers.platform, |el| {
match self.platform_style {
PlatformStyle::Mac => el.child(KeyIcon::new(IconName::Command)),
PlatformStyle::Linux => {
el.child(Key::new("Super")).child(Key::new("+"))
}
PlatformStyle::Windows => {
el.child(Key::new("Win")).child(Key::new("+"))
}
}
})
.when(keystroke.modifiers.shift, |el| match self.platform_style {
PlatformStyle::Mac => el.child(KeyIcon::new(IconName::Shift)),
PlatformStyle::Linux | PlatformStyle::Windows => {
el.child(Key::new("Shift")).child(Key::new("+"))
}
})
.map(|el| match key_icon {
Some(icon) => el.child(KeyIcon::new(icon)),
None => el.child(Key::new(keystroke.key.to_uppercase())),
})
}))
}
}
#[derive(IntoElement)]
pub struct Key {
key: SharedString,
}
impl RenderOnce for Key {
fn render(self, cx: &mut WindowContext) -> impl IntoElement {
let single_char = self.key.len() == 1;
div()
.py_0()
.map(|this| {
if single_char {
this.w(rems_from_px(14.))
.flex()
.flex_none()
.justify_center()
} else {
this.px_0p5()
}
})
.h(rems_from_px(14.))
.text_ui(cx)
.line_height(relative(1.))
.text_color(cx.theme().colors().text_muted)
.child(self.key.clone())
}
}
impl Key {
pub fn new(key: impl Into<SharedString>) -> Self {
Self { key: key.into() }
}
}
#[derive(IntoElement)]
pub struct KeyIcon {
icon: IconName,
}
impl RenderOnce for KeyIcon {
fn render(self, _cx: &mut WindowContext) -> impl IntoElement {
Icon::new(self.icon)
.size(IconSize::Small)
.color(Color::Muted)
}
}
impl KeyIcon {
pub fn new(icon: IconName) -> Self {
Self { icon }
}
}
/// Returns a textual representation of the key binding for the given [`Action`].
pub fn text_for_action(action: &dyn Action, cx: &mut WindowContext) -> Option<String> {
let key_binding = cx.bindings_for_action(action).last().cloned()?;
Some(text_for_key_binding(key_binding, PlatformStyle::platform()))
}
/// Returns a textual representation of the key binding for the given [`Action`]
/// as if the provided [`FocusHandle`] was focused.
pub fn text_for_action_in(
action: &dyn Action,
focus: &FocusHandle,
cx: &mut WindowContext,
) -> Option<String> {
let key_binding = cx.bindings_for_action_in(action, focus).last().cloned()?;
Some(text_for_key_binding(key_binding, PlatformStyle::platform()))
}
/// Returns a textual representation of the given key binding for the specified platform.
pub fn text_for_key_binding(
key_binding: gpui::KeyBinding,
platform_style: PlatformStyle,
) -> String {
key_binding
.keystrokes()
.iter()
.map(|keystroke| text_for_keystroke(keystroke, platform_style))
.collect::<Vec<_>>()
.join(" ")
}
/// Returns a textual representation of the given [`Keystroke`].
pub fn text_for_keystroke(keystroke: &Keystroke, platform_style: PlatformStyle) -> String {
let mut text = String::new();
let delimiter = match platform_style {
PlatformStyle::Mac => '-',
PlatformStyle::Linux | PlatformStyle::Windows => '+',
};
if keystroke.modifiers.function {
match platform_style {
PlatformStyle::Mac => text.push_str("fn"),
PlatformStyle::Linux | PlatformStyle::Windows => text.push_str("Fn"),
}
text.push(delimiter);
}
if keystroke.modifiers.control {
match platform_style {
PlatformStyle::Mac => text.push_str("Control"),
PlatformStyle::Linux | PlatformStyle::Windows => text.push_str("Ctrl"),
}
text.push(delimiter);
}
if keystroke.modifiers.alt {
match platform_style {
PlatformStyle::Mac => text.push_str("Option"),
PlatformStyle::Linux | PlatformStyle::Windows => text.push_str("Alt"),
}
text.push(delimiter);
}
if keystroke.modifiers.platform {
match platform_style {
PlatformStyle::Mac => text.push_str("Command"),
PlatformStyle::Linux => text.push_str("Super"),
PlatformStyle::Windows => text.push_str("Win"),
}
text.push(delimiter);
}
if keystroke.modifiers.shift {
match platform_style {
PlatformStyle::Mac | PlatformStyle::Linux | PlatformStyle::Windows => {
text.push_str("Shift")
}
}
text.push(delimiter);
}
fn capitalize(str: &str) -> String {
let mut chars = str.chars();
match chars.next() {
None => String::new(),
Some(first_char) => first_char.to_uppercase().collect::<String>() + chars.as_str(),
}
}
let key = match keystroke.key.as_str() {
"pageup" => "PageUp",
"pagedown" => "PageDown",
key => &capitalize(key),
};
text.push_str(key);
text
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_text_for_keystroke() {
assert_eq!(
text_for_keystroke(&Keystroke::parse("cmd-c").unwrap(), PlatformStyle::Mac),
"Command-C".to_string()
);
assert_eq!(
text_for_keystroke(&Keystroke::parse("cmd-c").unwrap(), PlatformStyle::Linux),
"Super+C".to_string()
);
assert_eq!(
text_for_keystroke(&Keystroke::parse("cmd-c").unwrap(), PlatformStyle::Windows),
"Win+C".to_string()
);
assert_eq!(
text_for_keystroke(
&Keystroke::parse("ctrl-alt-delete").unwrap(),
PlatformStyle::Mac
),
"Control-Option-Delete".to_string()
);
assert_eq!(
text_for_keystroke(
&Keystroke::parse("ctrl-alt-delete").unwrap(),
PlatformStyle::Linux
),
"Ctrl+Alt+Delete".to_string()
);
assert_eq!(
text_for_keystroke(
&Keystroke::parse("ctrl-alt-delete").unwrap(),
PlatformStyle::Windows
),
"Ctrl+Alt+Delete".to_string()
);
assert_eq!(
text_for_keystroke(
&Keystroke::parse("shift-pageup").unwrap(),
PlatformStyle::Mac
),
"Shift-PageUp".to_string()
);
assert_eq!(
text_for_keystroke(
&Keystroke::parse("shift-pageup").unwrap(),
PlatformStyle::Linux
),
"Shift+PageUp".to_string()
);
assert_eq!(
text_for_keystroke(
&Keystroke::parse("shift-pageup").unwrap(),
PlatformStyle::Windows
),
"Shift+PageUp".to_string()
);
}
}