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Re-implement actions as derive macros instead of blanket impls

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Mikayla 2023-11-16 17:32:02 -08:00
parent a0e976599c
commit 4de2c0f7ef
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22 changed files with 360 additions and 288 deletions
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6
crates/collab_ui2/src/collab_titlebar_item.rs
View file

@ -130,14 +130,12 @@ impl Render for CollabTitlebarItem {
.color(Some(TextColor::Muted)), .color(Some(TextColor::Muted)),
) )
.tooltip(move |_, cx| { .tooltip(move |_, cx| {
// todo!() Replace with real action.
#[gpui::action]
struct NoAction {}
cx.build_view(|_| { cx.build_view(|_| {
Tooltip::new("Recent Branches") Tooltip::new("Recent Branches")
.key_binding(KeyBinding::new(gpui::KeyBinding::new( .key_binding(KeyBinding::new(gpui::KeyBinding::new(
"cmd-b", "cmd-b",
NoAction {}, // todo!() Replace with real action.
gpui::NoAction,
None, None,
))) )))
.meta("Only local branches shown") .meta("Only local branches shown")

28
crates/editor2/src/editor.rs
View file

@ -39,7 +39,7 @@ use futures::FutureExt;
use fuzzy::{StringMatch, StringMatchCandidate}; use fuzzy::{StringMatch, StringMatchCandidate};
use git::diff_hunk_to_display; use git::diff_hunk_to_display;
use gpui::{ use gpui::{
action, actions, div, point, prelude::*, px, relative, rems, size, uniform_list, AnyElement, actions, div, point, prelude::*, px, relative, rems, size, uniform_list, Action, AnyElement,
AppContext, AsyncWindowContext, BackgroundExecutor, Bounds, ClipboardItem, Component, Context, AppContext, AsyncWindowContext, BackgroundExecutor, Bounds, ClipboardItem, Component, Context,
EventEmitter, FocusHandle, FocusableView, FontFeatures, FontStyle, FontWeight, HighlightStyle, EventEmitter, FocusHandle, FocusableView, FontFeatures, FontStyle, FontWeight, HighlightStyle,
Hsla, InputHandler, KeyContext, Model, MouseButton, ParentComponent, Pixels, Render, Styled, Hsla, InputHandler, KeyContext, Model, MouseButton, ParentComponent, Pixels, Render, Styled,
@ -180,78 +180,78 @@ pub const FORMAT_TIMEOUT: Duration = Duration::from_secs(2);
// // .with_soft_wrap(true) // // .with_soft_wrap(true)
// } // }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct SelectNext { pub struct SelectNext {
#[serde(default)] #[serde(default)]
pub replace_newest: bool, pub replace_newest: bool,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct SelectPrevious { pub struct SelectPrevious {
#[serde(default)] #[serde(default)]
pub replace_newest: bool, pub replace_newest: bool,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct SelectAllMatches { pub struct SelectAllMatches {
#[serde(default)] #[serde(default)]
pub replace_newest: bool, pub replace_newest: bool,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct SelectToBeginningOfLine { pub struct SelectToBeginningOfLine {
#[serde(default)] #[serde(default)]
stop_at_soft_wraps: bool, stop_at_soft_wraps: bool,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct MovePageUp { pub struct MovePageUp {
#[serde(default)] #[serde(default)]
center_cursor: bool, center_cursor: bool,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct MovePageDown { pub struct MovePageDown {
#[serde(default)] #[serde(default)]
center_cursor: bool, center_cursor: bool,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct SelectToEndOfLine { pub struct SelectToEndOfLine {
#[serde(default)] #[serde(default)]
stop_at_soft_wraps: bool, stop_at_soft_wraps: bool,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct ToggleCodeActions { pub struct ToggleCodeActions {
#[serde(default)] #[serde(default)]
pub deployed_from_indicator: bool, pub deployed_from_indicator: bool,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct ConfirmCompletion { pub struct ConfirmCompletion {
#[serde(default)] #[serde(default)]
pub item_ix: Option<usize>, pub item_ix: Option<usize>,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct ConfirmCodeAction { pub struct ConfirmCodeAction {
#[serde(default)] #[serde(default)]
pub item_ix: Option<usize>, pub item_ix: Option<usize>,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct ToggleComments { pub struct ToggleComments {
#[serde(default)] #[serde(default)]
pub advance_downwards: bool, pub advance_downwards: bool,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct FoldAt { pub struct FoldAt {
pub buffer_row: u32, pub buffer_row: u32,
} }
#[action] #[derive(PartialEq, Clone, Deserialize, Action)]
pub struct UnfoldAt { pub struct UnfoldAt {
pub buffer_row: u32, pub buffer_row: u32,
} }

264
crates/gpui2/src/action.rs
View file

@ -1,10 +1,9 @@
use crate::SharedString; use crate::SharedString;
use anyhow::{anyhow, Context, Result}; use anyhow::{anyhow, Context, Result};
use collections::HashMap; use collections::HashMap;
use lazy_static::lazy_static; pub use no_action::NoAction;
use parking_lot::{MappedRwLockReadGuard, RwLock, RwLockReadGuard}; use serde_json::json;
use serde::Deserialize; use std::any::{Any, TypeId};
use std::any::{type_name, Any, TypeId};
/// Actions are used to implement keyboard-driven UI. /// Actions are used to implement keyboard-driven UI.
/// When you declare an action, you can bind keys to the action in the keymap and /// When you declare an action, you can bind keys to the action in the keymap and
@ -15,24 +14,16 @@ use std::any::{type_name, Any, TypeId};
/// ```rust /// ```rust
/// actions!(MoveUp, MoveDown, MoveLeft, MoveRight, Newline); /// actions!(MoveUp, MoveDown, MoveLeft, MoveRight, Newline);
/// ``` /// ```
/// More complex data types can also be actions. If you annotate your type with the `#[action]` proc macro, /// More complex data types can also be actions. If you annotate your type with the action derive macro
/// it will automatically /// it will be implemented and registered automatically.
/// ``` /// ```
/// #[action] /// #[derive(Clone, PartialEq, serde_derive::Deserialize, Action)]
/// pub struct SelectNext { /// pub struct SelectNext {
/// pub replace_newest: bool, /// pub replace_newest: bool,
/// } /// }
/// ///
/// Any type A that satisfies the following bounds is automatically an action: /// If you want to control the behavior of the action trait manually, you can use the lower-level `#[register_action]`
/// /// macro, which only generates the code needed to register your action before `main`.
/// ```
/// A: for<'a> Deserialize<'a> + PartialEq + Clone + Default + std::fmt::Debug + 'static,
/// ```
///
/// The `#[action]` annotation will derive these implementations for your struct automatically. If you
/// want to control them manually, you can use the lower-level `#[register_action]` macro, which only
/// generates the code needed to register your action before `main`. Then you'll need to implement all
/// the traits manually.
/// ///
/// ``` /// ```
/// #[gpui::register_action] /// #[gpui::register_action]
@ -41,77 +32,29 @@ use std::any::{type_name, Any, TypeId};
/// pub content: SharedString, /// pub content: SharedString,
/// } /// }
/// ///
/// impl std::default::Default for Paste { /// impl gpui::Action for Paste {
/// fn default() -> Self { /// ///...
/// Self {
/// content: SharedString::from("🍝"),
/// }
/// }
/// } /// }
/// ``` /// ```
pub trait Action: std::fmt::Debug + 'static { pub trait Action: 'static {
fn qualified_name() -> SharedString
where
Self: Sized;
fn build(value: Option<serde_json::Value>) -> Result<Box<dyn Action>>
where
Self: Sized;
fn is_registered() -> bool
where
Self: Sized;
fn partial_eq(&self, action: &dyn Action) -> bool;
fn boxed_clone(&self) -> Box<dyn Action>; fn boxed_clone(&self) -> Box<dyn Action>;
fn as_any(&self) -> &dyn Any; fn as_any(&self) -> &dyn Any;
fn partial_eq(&self, action: &dyn Action) -> bool;
fn name(&self) -> &str;
fn debug_name() -> &'static str
where
Self: Sized;
fn build(value: serde_json::Value) -> Result<Box<dyn Action>>
where
Self: Sized;
} }
// Types become actions by satisfying a list of trait bounds. impl std::fmt::Debug for dyn Action {
impl<A> Action for A fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
where f.debug_struct("dyn Action")
A: for<'a> Deserialize<'a> + PartialEq + Default + Clone + std::fmt::Debug + 'static, .field("type_name", &self.name())
{ .finish()
fn qualified_name() -> SharedString {
let name = type_name::<A>();
let mut separator_matches = name.rmatch_indices("::");
separator_matches.next().unwrap();
let name_start_ix = separator_matches.next().map_or(0, |(ix, _)| ix + 2);
// todo!() remove the 2 replacement when migration is done
name[name_start_ix..].replace("2::", "::").into()
}
fn build(params: Option<serde_json::Value>) -> Result<Box<dyn Action>>
where
Self: Sized,
{
let action = if let Some(params) = params {
serde_json::from_value(params).context("failed to deserialize action")?
} else {
Self::default()
};
Ok(Box::new(action))
}
fn is_registered() -> bool {
ACTION_REGISTRY
.read()
.names_by_type_id
.get(&TypeId::of::<A>())
.is_some()
}
fn partial_eq(&self, action: &dyn Action) -> bool {
action
.as_any()
.downcast_ref::<Self>()
.map_or(false, |a| self == a)
}
fn boxed_clone(&self) -> Box<dyn Action> {
Box::new(self.clone())
}
fn as_any(&self) -> &dyn Any {
self
} }
} }
@ -119,69 +62,90 @@ impl dyn Action {
pub fn type_id(&self) -> TypeId { pub fn type_id(&self) -> TypeId {
self.as_any().type_id() self.as_any().type_id()
} }
pub fn name(&self) -> SharedString {
ACTION_REGISTRY
.read()
.names_by_type_id
.get(&self.type_id())
.expect("type is not a registered action")
.clone()
}
} }
type ActionBuilder = fn(json: Option<serde_json::Value>) -> anyhow::Result<Box<dyn Action>>; type ActionBuilder = fn(json: serde_json::Value) -> anyhow::Result<Box<dyn Action>>;
lazy_static! { pub(crate) struct ActionRegistry {
static ref ACTION_REGISTRY: RwLock<ActionRegistry> = RwLock::default();
}
#[derive(Default)]
struct ActionRegistry {
builders_by_name: HashMap<SharedString, ActionBuilder>, builders_by_name: HashMap<SharedString, ActionBuilder>,
names_by_type_id: HashMap<TypeId, SharedString>, names_by_type_id: HashMap<TypeId, SharedString>,
all_names: Vec<SharedString>, // So we can return a static slice. all_names: Vec<SharedString>, // So we can return a static slice.
} }
/// Register an action type to allow it to be referenced in keymaps. impl Default for ActionRegistry {
pub fn register_action<A: Action>() { fn default() -> Self {
let name = A::qualified_name(); let mut this = ActionRegistry {
let mut lock = ACTION_REGISTRY.write(); builders_by_name: Default::default(),
lock.builders_by_name.insert(name.clone(), A::build); names_by_type_id: Default::default(),
lock.names_by_type_id all_names: Default::default(),
.insert(TypeId::of::<A>(), name.clone()); };
lock.all_names.push(name);
this.load_actions();
this
}
} }
/// Construct an action based on its name and optional JSON parameters sourced from the keymap. /// This type must be public so that our macros can build it in other crates.
pub fn build_action_from_type(type_id: &TypeId) -> Result<Box<dyn Action>> { /// But this is an implementation detail and should not be used directly.
let lock = ACTION_REGISTRY.read(); #[doc(hidden)]
let name = lock pub type MacroActionBuilder = fn() -> ActionData;
.names_by_type_id
.get(type_id)
.ok_or_else(|| anyhow!("no action type registered for {:?}", type_id))?
.clone();
drop(lock);
build_action(&name, None) /// This type must be public so that our macros can build it in other crates.
/// But this is an implementation detail and should not be used directly.
#[doc(hidden)]
pub struct ActionData {
pub name: &'static str,
pub type_id: TypeId,
pub build: ActionBuilder,
} }
/// Construct an action based on its name and optional JSON parameters sourced from the keymap. /// This constant must be public to be accessible from other crates.
pub fn build_action(name: &str, params: Option<serde_json::Value>) -> Result<Box<dyn Action>> { /// But it's existence is an implementation detail and should not be used directly.
let lock = ACTION_REGISTRY.read(); #[doc(hidden)]
#[linkme::distributed_slice]
pub static __GPUI_ACTIONS: [MacroActionBuilder];
let build_action = lock impl ActionRegistry {
.builders_by_name /// Load all registered actions into the registry.
.get(name) pub(crate) fn load_actions(&mut self) {
.ok_or_else(|| anyhow!("no action type registered for {}", name))?; for builder in __GPUI_ACTIONS {
(build_action)(params) let action = builder();
} let name: SharedString = qualify_action(action.name).into();
self.builders_by_name.insert(name.clone(), action.build);
self.names_by_type_id.insert(action.type_id, name.clone());
self.all_names.push(name);
}
}
pub fn all_action_names() -> MappedRwLockReadGuard<'static, [SharedString]> { /// Construct an action based on its name and optional JSON parameters sourced from the keymap.
let lock = ACTION_REGISTRY.read(); pub fn build_action_type(&self, type_id: &TypeId) -> Result<Box<dyn Action>> {
RwLockReadGuard::map(lock, |registry: &ActionRegistry| { let name = self
registry.all_names.as_slice() .names_by_type_id
}) .get(type_id)
.ok_or_else(|| anyhow!("no action type registered for {:?}", type_id))?
.clone();
self.build_action(&name, None)
}
/// Construct an action based on its name and optional JSON parameters sourced from the keymap.
pub fn build_action(
&self,
name: &str,
params: Option<serde_json::Value>,
) -> Result<Box<dyn Action>> {
let build_action = self
.builders_by_name
.get(name)
.ok_or_else(|| anyhow!("no action type registered for {}", name))?;
(build_action)(params.unwrap_or_else(|| json!({})))
.with_context(|| format!("Attempting to build action {}", name))
}
pub fn all_action_names(&self) -> &[SharedString] {
self.all_names.as_slice()
}
} }
/// Defines unit structs that can be used as actions. /// Defines unit structs that can be used as actions.
@ -191,7 +155,7 @@ macro_rules! actions {
() => {}; () => {};
( $name:ident ) => { ( $name:ident ) => {
#[gpui::action] #[derive(::std::cmp::PartialEq, ::std::clone::Clone, ::std::default::Default, gpui::serde_derive::Deserialize, gpui::Action)]
pub struct $name; pub struct $name;
}; };
@ -201,42 +165,20 @@ macro_rules! actions {
}; };
} }
/// This type must be public so that our macros can build it in other crates. /// This used by our macros to pre-process the action name deterministically
/// But this is an implementation detail and should not be used directly.
#[doc(hidden)] #[doc(hidden)]
pub struct ActionData { pub fn qualify_action(action_name: &'static str) -> String {
pub name: &'static str,
pub build: ActionBuilder,
pub type_id: TypeId,
}
/// This type must be public so that our macros can build it in other crates.
/// But this is an implementation detail and should not be used directly.
#[doc(hidden)]
pub type MacroActionBuilder = fn() -> ActionData;
/// This constant must be public to be accessible from other crates.
/// But it's existence is an implementation detail and should not be used directly.
#[doc(hidden)]
#[linkme::distributed_slice]
pub static __GPUI_ACTIONS: [MacroActionBuilder];
fn qualify_name(action_name: &'static str) -> SharedString {
let mut separator_matches = action_name.rmatch_indices("::"); let mut separator_matches = action_name.rmatch_indices("::");
separator_matches.next().unwrap(); separator_matches.next().unwrap();
let name_start_ix = separator_matches.next().map_or(0, |(ix, _)| ix + 2); let name_start_ix = separator_matches.next().map_or(0, |(ix, _)| ix + 2);
// todo!() remove the 2 replacement when migration is done // todo!() remove the 2 replacement when migration is done
action_name[name_start_ix..].replace("2::", "::").into() action_name[name_start_ix..]
.replace("2::", "::")
.to_string()
} }
pub(crate) fn load_actions_2() { mod no_action {
let mut lock = ACTION_REGISTRY.write(); use crate as gpui;
for action in __GPUI_ACTIONS { actions!(NoAction);
let action = action();
let name = qualify_name(action.name);
lock.builders_by_name.insert(name.clone(), action.build);
lock.names_by_type_id.insert(action.type_id, name.clone());
lock.all_names.push(name);
}
} }

27
crates/gpui2/src/app.rs
View file

@ -14,12 +14,13 @@ use smallvec::SmallVec;
pub use test_context::*; pub use test_context::*;
use crate::{ use crate::{
current_platform, image_cache::ImageCache, Action, AnyBox, AnyView, AnyWindowHandle, current_platform, image_cache::ImageCache, Action, ActionRegistry, AnyBox, AnyView,
AppMetadata, AssetSource, BackgroundExecutor, ClipboardItem, Context, DispatchPhase, DisplayId, AnyWindowHandle, AppMetadata, AssetSource, BackgroundExecutor, ClipboardItem, Context,
Entity, EventEmitter, FocusEvent, FocusHandle, FocusId, ForegroundExecutor, KeyBinding, Keymap, DispatchPhase, DisplayId, Entity, EventEmitter, FocusEvent, FocusHandle, FocusId,
LayoutId, PathPromptOptions, Pixels, Platform, PlatformDisplay, Point, Render, SubscriberSet, ForegroundExecutor, KeyBinding, Keymap, LayoutId, PathPromptOptions, Pixels, Platform,
Subscription, SvgRenderer, Task, TextStyle, TextStyleRefinement, TextSystem, View, ViewContext, PlatformDisplay, Point, Render, SharedString, SubscriberSet, Subscription, SvgRenderer, Task,
Window, WindowContext, WindowHandle, WindowId, TextStyle, TextStyleRefinement, TextSystem, View, ViewContext, Window, WindowContext,
WindowHandle, WindowId,
}; };
use anyhow::{anyhow, Result}; use anyhow::{anyhow, Result};
use collections::{HashMap, HashSet, VecDeque}; use collections::{HashMap, HashSet, VecDeque};
@ -182,6 +183,7 @@ pub struct AppContext {
text_system: Arc<TextSystem>, text_system: Arc<TextSystem>,
flushing_effects: bool, flushing_effects: bool,
pending_updates: usize, pending_updates: usize,
pub(crate) actions: Rc<ActionRegistry>,
pub(crate) active_drag: Option<AnyDrag>, pub(crate) active_drag: Option<AnyDrag>,
pub(crate) active_tooltip: Option<AnyTooltip>, pub(crate) active_tooltip: Option<AnyTooltip>,
pub(crate) next_frame_callbacks: HashMap<DisplayId, Vec<FrameCallback>>, pub(crate) next_frame_callbacks: HashMap<DisplayId, Vec<FrameCallback>>,
@ -240,6 +242,7 @@ impl AppContext {
platform: platform.clone(), platform: platform.clone(),
app_metadata, app_metadata,
text_system, text_system,
actions: Rc::new(ActionRegistry::default()),
flushing_effects: false, flushing_effects: false,
pending_updates: 0, pending_updates: 0,
active_drag: None, active_drag: None,
@ -964,6 +967,18 @@ impl AppContext {
pub fn propagate(&mut self) { pub fn propagate(&mut self) {
self.propagate_event = true; self.propagate_event = true;
} }
pub fn build_action(
&self,
name: &str,
data: Option<serde_json::Value>,
) -> Result<Box<dyn Action>> {
self.actions.build_action(name, data)
}
pub fn all_action_names(&self) -> &[SharedString] {
self.actions.all_action_names()
}
} }
impl Context for AppContext { impl Context for AppContext {

10
crates/gpui2/src/elements/div.rs
View file

@ -237,11 +237,11 @@ pub trait InteractiveComponent<V: 'static>: Sized + Element<V> {
// //
// if we are relying on this side-effect still, removing the debug_assert! // if we are relying on this side-effect still, removing the debug_assert!
// likely breaks the command_palette tests. // likely breaks the command_palette tests.
debug_assert!( // debug_assert!(
A::is_registered(), // A::is_registered(),
"{:?} is not registered as an action", // "{:?} is not registered as an action",
A::qualified_name() // A::qualified_name()
); // );
self.interactivity().action_listeners.push(( self.interactivity().action_listeners.push((
TypeId::of::<A>(), TypeId::of::<A>(),
Box::new(move |view, action, phase, cx| { Box::new(move |view, action, phase, cx| {

1
crates/gpui2/src/gpui2.rs
View file

@ -55,6 +55,7 @@ use private::Sealed;
pub use refineable::*; pub use refineable::*;
pub use scene::*; pub use scene::*;
pub use serde; pub use serde;
pub use serde_derive;
pub use serde_json; pub use serde_json;
pub use smallvec; pub use smallvec;
pub use smol::Timer; pub use smol::Timer;

13
crates/gpui2/src/key_dispatch.rs
View file

@ -1,6 +1,6 @@
use crate::{ use crate::{
build_action_from_type, Action, DispatchPhase, FocusId, KeyBinding, KeyContext, KeyMatch, Action, ActionRegistry, DispatchPhase, FocusId, KeyBinding, KeyContext, KeyMatch, Keymap,
Keymap, Keystroke, KeystrokeMatcher, WindowContext, Keystroke, KeystrokeMatcher, WindowContext,
}; };
use collections::HashMap; use collections::HashMap;
use parking_lot::Mutex; use parking_lot::Mutex;
@ -10,7 +10,6 @@ use std::{
rc::Rc, rc::Rc,
sync::Arc, sync::Arc,
}; };
use util::ResultExt;
#[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)] #[derive(Clone, Copy, Debug, Eq, PartialEq, Hash)]
pub struct DispatchNodeId(usize); pub struct DispatchNodeId(usize);
@ -22,6 +21,7 @@ pub(crate) struct DispatchTree {
focusable_node_ids: HashMap<FocusId, DispatchNodeId>, focusable_node_ids: HashMap<FocusId, DispatchNodeId>,
keystroke_matchers: HashMap<SmallVec<[KeyContext; 4]>, KeystrokeMatcher>, keystroke_matchers: HashMap<SmallVec<[KeyContext; 4]>, KeystrokeMatcher>,
keymap: Arc<Mutex<Keymap>>, keymap: Arc<Mutex<Keymap>>,
action_registry: Rc<ActionRegistry>,
} }
#[derive(Default)] #[derive(Default)]
@ -41,7 +41,7 @@ pub(crate) struct DispatchActionListener {
} }
impl DispatchTree { impl DispatchTree {
pub fn new(keymap: Arc<Mutex<Keymap>>) -> Self { pub fn new(keymap: Arc<Mutex<Keymap>>, action_registry: Rc<ActionRegistry>) -> Self {
Self { Self {
node_stack: Vec::new(), node_stack: Vec::new(),
context_stack: Vec::new(), context_stack: Vec::new(),
@ -49,6 +49,7 @@ impl DispatchTree {
focusable_node_ids: HashMap::default(), focusable_node_ids: HashMap::default(),
keystroke_matchers: HashMap::default(), keystroke_matchers: HashMap::default(),
keymap, keymap,
action_registry,
} }
} }
@ -153,7 +154,9 @@ impl DispatchTree {
for node_id in self.dispatch_path(*node) { for node_id in self.dispatch_path(*node) {
let node = &self.nodes[node_id.0]; let node = &self.nodes[node_id.0];
for DispatchActionListener { action_type, .. } in &node.action_listeners { for DispatchActionListener { action_type, .. } in &node.action_listeners {
actions.extend(build_action_from_type(action_type).log_err()); // Intentionally silence these errors without logging.
// If an action cannot be built by default, it's not available.
actions.extend(self.action_registry.build_action_type(action_type).ok());
} }
} }
} }

30
crates/gpui2/src/keymap/keymap.rs
View file

@ -1,7 +1,10 @@
use crate::{KeyBinding, KeyBindingContextPredicate, Keystroke}; use crate::{KeyBinding, KeyBindingContextPredicate, Keystroke, NoAction};
use collections::HashSet; use collections::HashSet;
use smallvec::SmallVec; use smallvec::SmallVec;
use std::{any::TypeId, collections::HashMap}; use std::{
any::{Any, TypeId},
collections::HashMap,
};
#[derive(Copy, Clone, Eq, PartialEq, Default)] #[derive(Copy, Clone, Eq, PartialEq, Default)]
pub struct KeymapVersion(usize); pub struct KeymapVersion(usize);
@ -37,20 +40,19 @@ impl Keymap {
} }
pub fn add_bindings<T: IntoIterator<Item = KeyBinding>>(&mut self, bindings: T) { pub fn add_bindings<T: IntoIterator<Item = KeyBinding>>(&mut self, bindings: T) {
// todo!("no action") let no_action_id = &(NoAction {}).type_id();
// let no_action_id = (NoAction {}).id();
let mut new_bindings = Vec::new(); let mut new_bindings = Vec::new();
let has_new_disabled_keystrokes = false; let mut has_new_disabled_keystrokes = false;
for binding in bindings { for binding in bindings {
// if binding.action().id() == no_action_id { if binding.action.type_id() == *no_action_id {
// has_new_disabled_keystrokes |= self has_new_disabled_keystrokes |= self
// .disabled_keystrokes .disabled_keystrokes
// .entry(binding.keystrokes) .entry(binding.keystrokes)
// .or_default() .or_default()
// .insert(binding.context_predicate); .insert(binding.context_predicate);
// } else { } else {
new_bindings.push(binding); new_bindings.push(binding);
// } }
} }
if has_new_disabled_keystrokes { if has_new_disabled_keystrokes {

4
crates/gpui2/src/window.rs
View file

@ -311,8 +311,8 @@ impl Window {
layout_engine: TaffyLayoutEngine::new(), layout_engine: TaffyLayoutEngine::new(),
root_view: None, root_view: None,
element_id_stack: GlobalElementId::default(), element_id_stack: GlobalElementId::default(),
previous_frame: Frame::new(DispatchTree::new(cx.keymap.clone())), previous_frame: Frame::new(DispatchTree::new(cx.keymap.clone(), cx.actions.clone())),
current_frame: Frame::new(DispatchTree::new(cx.keymap.clone())), current_frame: Frame::new(DispatchTree::new(cx.keymap.clone(), cx.actions.clone())),
focus_handles: Arc::new(RwLock::new(SlotMap::with_key())), focus_handles: Arc::new(RwLock::new(SlotMap::with_key())),
focus_listeners: SubscriberSet::new(), focus_listeners: SubscriberSet::new(),
default_prevented: true, default_prevented: true,

45
crates/gpui2/tests/action_macros.rs Normal file
View file

@ -0,0 +1,45 @@
use serde_derive::Deserialize;
#[test]
fn test_derive() {
use gpui2 as gpui;
#[derive(PartialEq, Clone, Deserialize, gpui2_macros::Action)]
struct AnotherTestAction;
#[gpui2_macros::register_action]
#[derive(PartialEq, Clone, gpui::serde_derive::Deserialize)]
struct RegisterableAction {}
impl gpui::Action for RegisterableAction {
fn boxed_clone(&self) -> Box<dyn gpui::Action> {
todo!()
}
fn as_any(&self) -> &dyn std::any::Any {
todo!()
}
fn partial_eq(&self, _action: &dyn gpui::Action) -> bool {
todo!()
}
fn name(&self) -> &str {
todo!()
}
fn debug_name() -> &'static str
where
Self: Sized,
{
todo!()
}
fn build(_value: serde_json::Value) -> anyhow::Result<Box<dyn gpui::Action>>
where
Self: Sized,
{
todo!()
}
}
}

99
crates/gpui2_macros/src/action.rs
View file

@ -15,48 +15,81 @@
use proc_macro::TokenStream; use proc_macro::TokenStream;
use quote::quote; use quote::quote;
use syn::{parse_macro_input, DeriveInput}; use syn::{parse_macro_input, DeriveInput, Error};
use crate::register_action::register_action;
pub fn action(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
pub fn action(_attr: TokenStream, item: TokenStream) -> TokenStream {
let input = parse_macro_input!(item as DeriveInput);
let name = &input.ident; let name = &input.ident;
let attrs = input
.attrs
.into_iter()
.filter(|attr| !attr.path.is_ident("action"))
.collect::<Vec<_>>();
let attributes = quote! { if input.generics.lt_token.is_some() {
#[gpui::register_action] return Error::new(name.span(), "Actions must be a concrete type")
#[derive(gpui::serde::Deserialize, std::cmp::PartialEq, std::clone::Clone, std::default::Default, std::fmt::Debug)] .into_compile_error()
#(#attrs)* .into();
}
let is_unit_struct = match input.data {
syn::Data::Struct(struct_data) => struct_data.fields.is_empty(),
syn::Data::Enum(_) => false,
syn::Data::Union(_) => false,
}; };
let visibility = input.vis;
let output = match input.data { let build_impl = if is_unit_struct {
syn::Data::Struct(ref struct_data) => match &struct_data.fields { quote! {
syn::Fields::Named(_) | syn::Fields::Unnamed(_) => { Ok(std::boxed::Box::new(Self {}))
let fields = &struct_data.fields; }
quote! { } else {
#attributes quote! {
#visibility struct #name #fields Ok(std::boxed::Box::new(gpui::serde_json::from_value::<Self>(value)?))
} }
};
let register_action = register_action(&name);
let output = quote! {
const _: fn() = || {
fn assert_impl<T: ?Sized + for<'a> gpui::serde::Deserialize<'a> + ::std::cmp::PartialEq + ::std::clone::Clone>() {}
assert_impl::<#name>();
};
impl gpui::Action for #name {
fn name(&self) -> &'static str
{
::std::any::type_name::<#name>()
} }
syn::Fields::Unit => {
quote! { fn debug_name() -> &'static str
#attributes where
#visibility struct #name; Self: ::std::marker::Sized
} {
::std::any::type_name::<#name>()
} }
},
syn::Data::Enum(ref enum_data) => { fn build(value: gpui::serde_json::Value) -> gpui::Result<::std::boxed::Box<dyn gpui::Action>>
let variants = &enum_data.variants; where
quote! { Self: ::std::marker::Sized {
#attributes #build_impl
#visibility enum #name { #variants } }
fn partial_eq(&self, action: &dyn gpui::Action) -> bool {
action
.as_any()
.downcast_ref::<Self>()
.map_or(false, |a| self == a)
}
fn boxed_clone(&self) -> std::boxed::Box<dyn gpui::Action> {
::std::boxed::Box::new(self.clone())
}
fn as_any(&self) -> &dyn ::std::any::Any {
self
} }
} }
_ => panic!("Expected a struct or an enum."),
#register_action
}; };
TokenStream::from(output) TokenStream::from(output)

8
crates/gpui2_macros/src/gpui2_macros.rs
View file

@ -11,14 +11,14 @@ pub fn style_helpers(args: TokenStream) -> TokenStream {
style_helpers::style_helpers(args) style_helpers::style_helpers(args)
} }
#[proc_macro_attribute] #[proc_macro_derive(Action)]
pub fn action(attr: TokenStream, item: TokenStream) -> TokenStream { pub fn action(input: TokenStream) -> TokenStream {
action::action(attr, item) action::action(input)
} }
#[proc_macro_attribute] #[proc_macro_attribute]
pub fn register_action(attr: TokenStream, item: TokenStream) -> TokenStream { pub fn register_action(attr: TokenStream, item: TokenStream) -> TokenStream {
register_action::register_action(attr, item) register_action::register_action_macro(attr, item)
} }
#[proc_macro_derive(Component, attributes(component))] #[proc_macro_derive(Component, attributes(component))]

55
crates/gpui2_macros/src/register_action.rs
View file

@ -12,13 +12,54 @@
// gpui2::register_action_builder::<Foo>() // gpui2::register_action_builder::<Foo>()
// } // }
use proc_macro::TokenStream; use proc_macro::TokenStream;
use proc_macro2::Ident;
use quote::{format_ident, quote}; use quote::{format_ident, quote};
use syn::{parse_macro_input, DeriveInput}; use syn::{parse_macro_input, DeriveInput, Error};
pub fn register_action(_attr: TokenStream, item: TokenStream) -> TokenStream { pub fn register_action_macro(_attr: TokenStream, item: TokenStream) -> TokenStream {
let input = parse_macro_input!(item as DeriveInput); let input = parse_macro_input!(item as DeriveInput);
let type_name = &input.ident; let registration = register_action(&input.ident);
let has_action_derive = input
.attrs
.iter()
.find(|attr| {
(|| {
let meta = attr.parse_meta().ok()?;
meta.path().is_ident("derive").then(|| match meta {
syn::Meta::Path(_) => None,
syn::Meta::NameValue(_) => None,
syn::Meta::List(list) => list
.nested
.iter()
.find(|list| match list {
syn::NestedMeta::Meta(meta) => meta.path().is_ident("Action"),
syn::NestedMeta::Lit(_) => false,
})
.map(|_| true),
})?
})()
.unwrap_or(false)
})
.is_some();
if has_action_derive {
return Error::new(
input.ident.span(),
"The Action derive macro has already registered this action",
)
.into_compile_error()
.into();
}
TokenStream::from(quote! {
#input
#registration
})
}
pub(crate) fn register_action(type_name: &Ident) -> proc_macro2::TokenStream {
let static_slice_name = let static_slice_name =
format_ident!("__GPUI_ACTIONS_{}", type_name.to_string().to_uppercase()); format_ident!("__GPUI_ACTIONS_{}", type_name.to_string().to_uppercase());
@ -27,9 +68,7 @@ pub fn register_action(_attr: TokenStream, item: TokenStream) -> TokenStream {
type_name.to_string().to_lowercase() type_name.to_string().to_lowercase()
); );
let expanded = quote! { quote! {
#input
#[doc(hidden)] #[doc(hidden)]
#[gpui::linkme::distributed_slice(gpui::__GPUI_ACTIONS)] #[gpui::linkme::distributed_slice(gpui::__GPUI_ACTIONS)]
#[linkme(crate = gpui::linkme)] #[linkme(crate = gpui::linkme)]
@ -44,7 +83,5 @@ pub fn register_action(_attr: TokenStream, item: TokenStream) -> TokenStream {
build: <#type_name as gpui::Action>::build, build: <#type_name as gpui::Action>::build,
} }
} }
}; }
TokenStream::from(expanded)
} }

4
crates/live_kit_client2/examples/test_app.rs
View file

@ -1,7 +1,7 @@
use std::{sync::Arc, time::Duration}; use std::{sync::Arc, time::Duration};
use futures::StreamExt; use futures::StreamExt;
use gpui::KeyBinding; use gpui::{Action, KeyBinding};
use live_kit_client2::{ use live_kit_client2::{
LocalAudioTrack, LocalVideoTrack, RemoteAudioTrackUpdate, RemoteVideoTrackUpdate, Room, LocalAudioTrack, LocalVideoTrack, RemoteAudioTrackUpdate, RemoteVideoTrackUpdate, Room,
}; };
@ -10,7 +10,7 @@ use log::LevelFilter;
use serde_derive::Deserialize; use serde_derive::Deserialize;
use simplelog::SimpleLogger; use simplelog::SimpleLogger;
#[derive(Deserialize, Debug, Clone, Copy, PartialEq, Eq, Default)] #[derive(Deserialize, Debug, Clone, Copy, PartialEq, Action)]
struct Quit; struct Quit;
fn main() { fn main() {

4
crates/settings2/src/keymap_file.rs
View file

@ -73,9 +73,9 @@ impl KeymapFile {
"Expected first item in array to be a string." "Expected first item in array to be a string."
))); )));
}; };
gpui::build_action(&name, Some(data)) cx.build_action(&name, Some(data))
} }
Value::String(name) => gpui::build_action(&name, None), Value::String(name) => cx.build_action(&name, None),
Value::Null => Ok(no_action()), Value::Null => Ok(no_action()),
_ => { _ => {
return Some(Err(anyhow!("Expected two-element array, got {action:?}"))) return Some(Err(anyhow!("Expected two-element array, got {action:?}")))

8
crates/terminal_view2/src/terminal_view.rs
View file

@ -9,7 +9,7 @@ pub mod terminal_panel;
// use crate::terminal_element::TerminalElement; // use crate::terminal_element::TerminalElement;
use editor::{scroll::autoscroll::Autoscroll, Editor}; use editor::{scroll::autoscroll::Autoscroll, Editor};
use gpui::{ use gpui::{
actions, div, img, red, register_action, AnyElement, AppContext, Component, DispatchPhase, Div, actions, div, img, red, Action, AnyElement, AppContext, Component, DispatchPhase, Div,
EventEmitter, FocusEvent, FocusHandle, Focusable, FocusableComponent, FocusableView, EventEmitter, FocusEvent, FocusHandle, Focusable, FocusableComponent, FocusableView,
InputHandler, InteractiveComponent, KeyDownEvent, Keystroke, Model, MouseButton, InputHandler, InteractiveComponent, KeyDownEvent, Keystroke, Model, MouseButton,
ParentComponent, Pixels, Render, SharedString, Styled, Task, View, ViewContext, VisualContext, ParentComponent, Pixels, Render, SharedString, Styled, Task, View, ViewContext, VisualContext,
@ -55,12 +55,10 @@ const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
#[derive(Clone, Debug, PartialEq)] #[derive(Clone, Debug, PartialEq)]
pub struct ScrollTerminal(pub i32); pub struct ScrollTerminal(pub i32);
#[register_action] #[derive(Clone, Debug, Default, Deserialize, PartialEq, Action)]
#[derive(Clone, Debug, Default, Deserialize, PartialEq)]
pub struct SendText(String); pub struct SendText(String);
#[register_action] #[derive(Clone, Debug, Default, Deserialize, PartialEq, Action)]
#[derive(Clone, Debug, Default, Deserialize, PartialEq)]
pub struct SendKeystroke(String); pub struct SendKeystroke(String);
actions!(Clear, Copy, Paste, ShowCharacterPalette, SearchTest); actions!(Clear, Copy, Paste, ShowCharacterPalette, SearchTest);

5
crates/ui2/src/components/context_menu.rs
View file

@ -84,7 +84,8 @@ pub use stories::*;
mod stories { mod stories {
use super::*; use super::*;
use crate::story::Story; use crate::story::Story;
use gpui::{action, Div, Render}; use gpui::{Div, Render};
use serde::Deserialize;
pub struct ContextMenuStory; pub struct ContextMenuStory;
@ -92,7 +93,7 @@ mod stories {
type Element = Div<Self>; type Element = Div<Self>;
fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element { fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
#[action] #[derive(PartialEq, Clone, Deserialize, gpui::Action)]
struct PrintCurrentDate {} struct PrintCurrentDate {}
Story::container(cx) Story::container(cx)

5
crates/ui2/src/components/keybinding.rs
View file

@ -81,13 +81,12 @@ pub use stories::*;
mod stories { mod stories {
use super::*; use super::*;
use crate::Story; use crate::Story;
use gpui::{action, Div, Render}; use gpui::{actions, Div, Render};
use itertools::Itertools; use itertools::Itertools;
pub struct KeybindingStory; pub struct KeybindingStory;
#[action] actions!(NoAction);
struct NoAction {}
pub fn binding(key: &str) -> gpui::KeyBinding { pub fn binding(key: &str) -> gpui::KeyBinding {
gpui::KeyBinding::new(key, NoAction {}, None) gpui::KeyBinding::new(key, NoAction {}, None)

10
crates/workspace2/src/pane.rs
View file

@ -7,7 +7,7 @@ use crate::{
use anyhow::Result; use anyhow::Result;
use collections::{HashMap, HashSet, VecDeque}; use collections::{HashMap, HashSet, VecDeque};
use gpui::{ use gpui::{
actions, prelude::*, register_action, AppContext, AsyncWindowContext, Component, Div, EntityId, actions, prelude::*, Action, AppContext, AsyncWindowContext, Component, Div, EntityId,
EventEmitter, FocusHandle, Focusable, FocusableView, Model, PromptLevel, Render, Task, View, EventEmitter, FocusHandle, Focusable, FocusableView, Model, PromptLevel, Render, Task, View,
ViewContext, VisualContext, WeakView, WindowContext, ViewContext, VisualContext, WeakView, WindowContext,
}; };
@ -70,15 +70,13 @@ pub struct ActivateItem(pub usize);
// pub pane: WeakView<Pane>, // pub pane: WeakView<Pane>,
// } // }
#[register_action] #[derive(Clone, PartialEq, Debug, Deserialize, Default, Action)]
#[derive(Clone, PartialEq, Debug, Deserialize, Default)]
#[serde(rename_all = "camelCase")] #[serde(rename_all = "camelCase")]
pub struct CloseActiveItem { pub struct CloseActiveItem {
pub save_intent: Option<SaveIntent>, pub save_intent: Option<SaveIntent>,
} }
#[register_action] #[derive(Clone, PartialEq, Debug, Deserialize, Default, Action)]
#[derive(Clone, PartialEq, Debug, Deserialize, Default)]
#[serde(rename_all = "camelCase")] #[serde(rename_all = "camelCase")]
pub struct CloseAllItems { pub struct CloseAllItems {
pub save_intent: Option<SaveIntent>, pub save_intent: Option<SaveIntent>,
@ -1917,7 +1915,7 @@ impl Render for Pane {
.on_action(|pane: &mut Pane, _: &SplitRight, cx| pane.split(SplitDirection::Right, cx)) .on_action(|pane: &mut Pane, _: &SplitRight, cx| pane.split(SplitDirection::Right, cx))
.on_action(|pane: &mut Pane, _: &SplitDown, cx| pane.split(SplitDirection::Down, cx)) .on_action(|pane: &mut Pane, _: &SplitDown, cx| pane.split(SplitDirection::Down, cx))
.size_full() .size_full()
.on_action(|pane: &mut Self, action, cx| { .on_action(|pane: &mut Self, action: &CloseActiveItem, cx| {
pane.close_active_item(action, cx) pane.close_active_item(action, cx)
.map(|task| task.detach_and_log_err(cx)); .map(|task| task.detach_and_log_err(cx));
}) })

13
crates/workspace2/src/workspace2.rs
View file

@ -29,11 +29,11 @@ use futures::{
Future, FutureExt, StreamExt, Future, FutureExt, StreamExt,
}; };
use gpui::{ use gpui::{
actions, div, point, register_action, size, Action, AnyModel, AnyView, AnyWeakView, AppContext, actions, div, point, size, Action, AnyModel, AnyView, AnyWeakView, AppContext, AsyncAppContext,
AsyncAppContext, AsyncWindowContext, Bounds, Context, Div, Entity, EntityId, EventEmitter, AsyncWindowContext, Bounds, Context, Div, Entity, EntityId, EventEmitter, FocusHandle,
FocusHandle, FocusableView, GlobalPixels, InteractiveComponent, KeyContext, Model, FocusableView, GlobalPixels, InteractiveComponent, KeyContext, Model, ModelContext,
ModelContext, ParentComponent, Point, Render, Size, Styled, Subscription, Task, View, ParentComponent, Point, Render, Size, Styled, Subscription, Task, View, ViewContext,
ViewContext, VisualContext, WeakView, WindowBounds, WindowContext, WindowHandle, WindowOptions, VisualContext, WeakView, WindowBounds, WindowContext, WindowHandle, WindowOptions,
}; };
use item::{FollowableItem, FollowableItemHandle, Item, ItemHandle, ItemSettings, ProjectItem}; use item::{FollowableItem, FollowableItemHandle, Item, ItemHandle, ItemSettings, ProjectItem};
use itertools::Itertools; use itertools::Itertools;
@ -194,8 +194,7 @@ impl Clone for Toast {
} }
} }
#[register_action] #[derive(Debug, Default, Clone, Deserialize, PartialEq, Action)]
#[derive(Debug, Default, Clone, Deserialize, PartialEq)]
pub struct OpenTerminal { pub struct OpenTerminal {
pub working_directory: PathBuf, pub working_directory: PathBuf,
} }

2
crates/zed2/src/languages/json.rs
View file

@ -107,7 +107,7 @@ impl LspAdapter for JsonLspAdapter {
&self, &self,
cx: &mut AppContext, cx: &mut AppContext,
) -> BoxFuture<'static, serde_json::Value> { ) -> BoxFuture<'static, serde_json::Value> {
let action_names = gpui::all_action_names(); let action_names = cx.all_action_names();
let staff_mode = cx.is_staff(); let staff_mode = cx.is_staff();
let language_names = &self.languages.language_names(); let language_names = &self.languages.language_names();
let settings_schema = cx.global::<SettingsStore>().json_schema( let settings_schema = cx.global::<SettingsStore>().json_schema(

7
crates/zed_actions2/src/lib.rs
View file

@ -1,4 +1,5 @@
use gpui::action; use gpui::Action;
use serde::Deserialize;
// If the zed binary doesn't use anything in this crate, it will be optimized away // If the zed binary doesn't use anything in this crate, it will be optimized away
// and the actions won't initialize. So we just provide an empty initialization function // and the actions won't initialize. So we just provide an empty initialization function
@ -9,12 +10,12 @@ use gpui::action;
// https://github.com/mmastrac/rust-ctor/issues/280 // https://github.com/mmastrac/rust-ctor/issues/280
pub fn init() {} pub fn init() {}
#[action] #[derive(Clone, PartialEq, Deserialize, Action)]
pub struct OpenBrowser { pub struct OpenBrowser {
pub url: String, pub url: String,
} }
#[action] #[derive(Clone, PartialEq, Deserialize, Action)]
pub struct OpenZedURL { pub struct OpenZedURL {
pub url: String, pub url: String,
} }