#[cfg(test)]mod test; mod editor_events;mod insert;mod mode_indicator;mod motion;mod normal;mod object;mod state;mod utils;mod visual; use anyhow::Result;use collections::{CommandPaletteFilter, HashMap};use editor::{movement, Editor, EditorMode, Event};use gpui::{ actions, impl_actions, keymap_matcher::KeymapContext, keymap_matcher::MatchResult, AppContext, Subscription, ViewContext, ViewHandle, WeakViewHandle, WindowContext,};use language::{CursorShape, Selection, SelectionGoal};pub use mode_indicator::ModeIndicator;use motion::Motion;use normal::normal_replace;use serde::Deserialize;use settings::{Setting, SettingsStore};use state::{EditorState, Mode, Operator, WorkspaceState};use std::sync::Arc;use visual::{visual_block_motion, visual_replace};use workspace::{self, Workspace}; struct VimModeSetting(bool); #[derive(Clone, Deserialize, PartialEq)]pub struct SwitchMode(pub Mode); #[derive(Clone, Deserialize, PartialEq)]pub struct PushOperator(pub Operator); #[derive(Clone, Deserialize, PartialEq)]struct Number(u8); actions!(vim, [Tab, Enter]);impl_actions!(vim, [Number, SwitchMode, PushOperator]); #[derive(Copy, Clone, Debug)]enum VimEvent { ModeChanged { mode: Mode },} pub fn init(cx: &mut AppContext) { settings::register::<VimModeSetting>(cx); editor_events::init(cx); normal::init(cx); visual::init(cx); insert::init(cx); object::init(cx); motion::init(cx); // Vim Actions cx.add_action(|_: &mut Workspace, &SwitchMode(mode): &SwitchMode, cx| { Vim::update(cx, |vim, cx| vim.switch_mode(mode, false, cx)) }); cx.add_action( |_: &mut Workspace, &PushOperator(operator): &PushOperator, cx| { Vim::update(cx, |vim, cx| vim.push_operator(operator, cx)) }, ); cx.add_action(|_: &mut Workspace, n: &Number, cx: _| { Vim::update(cx, |vim, cx| vim.push_number(n, cx)); }); cx.add_action(|_: &mut Workspace, _: &Tab, cx| { Vim::active_editor_input_ignored(" ".into(), cx) }); cx.add_action(|_: &mut Workspace, _: &Enter, cx| { Vim::active_editor_input_ignored("\n".into(), cx) }); // Any time settings change, update vim mode to match. The Vim struct // will be initialized as disabled by default, so we filter its commands // out when starting up. cx.update_default_global::<CommandPaletteFilter, _, _>(|filter, _| { filter.filtered_namespaces.insert("vim"); }); cx.update_default_global(|vim: &mut Vim, cx: &mut AppContext| { vim.set_enabled(settings::get::<VimModeSetting>(cx).0, cx) }); cx.observe_global::<SettingsStore, _>(|cx| { cx.update_default_global(|vim: &mut Vim, cx: &mut AppContext| { vim.set_enabled(settings::get::<VimModeSetting>(cx).0, cx) }); }) .detach();} pub fn observe_keystrokes(cx: &mut WindowContext) { cx.observe_keystrokes(|_keystroke, result, handled_by, cx| { if result == &MatchResult::Pending { return true; } if let Some(handled_by) = handled_by { // Keystroke is handled by the vim system, so continue forward if handled_by.namespace() == "vim" { return true; } } Vim::update(cx, |vim, cx| match vim.active_operator() { Some( Operator::FindForward { .. } | Operator::FindBackward { .. } | Operator::Replace, ) => {} Some(_) => { vim.clear_operator(cx); } _ => {} }); true }) .detach()} #[derive(Default)]pub struct Vim { active_editor: Option<WeakViewHandle<Editor>>, editor_subscription: Option<Subscription>, enabled: bool, editor_states: HashMap<usize, EditorState>, workspace_state: WorkspaceState, default_state: EditorState,} impl Vim { fn read(cx: &mut AppContext) -> &Self { cx.default_global() } fn update<F, S>(cx: &mut WindowContext, update: F) -> S where F: FnOnce(&mut Self, &mut WindowContext) -> S, { cx.update_default_global(update) } fn set_active_editor(&mut self, editor: ViewHandle<Editor>, cx: &mut WindowContext) { self.active_editor = Some(editor.clone().downgrade()); self.editor_subscription = Some(cx.subscribe(&editor, |editor, event, cx| match event { Event::SelectionsChanged { local: true } => { let editor = editor.read(cx); if editor.leader_replica_id().is_none() { let newest = editor.selections.newest::<usize>(cx); local_selections_changed(newest, cx); } } Event::InputIgnored { text } => { Vim::active_editor_input_ignored(text.clone(), cx); } _ => {} })); if self.enabled { let editor = editor.read(cx); let editor_mode = editor.mode(); let newest_selection_empty = editor.selections.newest::<usize>(cx).is_empty(); if editor_mode == EditorMode::Full && !newest_selection_empty && self.state().mode == Mode::Normal { self.switch_mode(Mode::Visual, true, cx); } } self.sync_vim_settings(cx); } fn update_active_editor<S>( &self, cx: &mut WindowContext, update: impl FnOnce(&mut Editor, &mut ViewContext<Editor>) -> S, ) -> Option<S> { let editor = self.active_editor.clone()?.upgrade(cx)?; Some(editor.update(cx, update)) } fn switch_mode(&mut self, mode: Mode, leave_selections: bool, cx: &mut WindowContext) { let state = self.state(); let last_mode = state.mode; let prior_mode = state.last_mode; self.update_state(|state| { state.last_mode = last_mode; state.mode = mode; state.operator_stack.clear(); }); cx.emit_global(VimEvent::ModeChanged { mode }); // Sync editor settings like clip mode self.sync_vim_settings(cx); if leave_selections { return; } // Adjust selections self.update_active_editor(cx, |editor, cx| { if last_mode != Mode::VisualBlock && last_mode.is_visual() && mode == Mode::VisualBlock { visual_block_motion(true, editor, cx, |_, point, goal| Some((point, goal))) } editor.change_selections(None, cx, |s| { // we cheat with visual block mode and use multiple cursors. // the cost of this cheat is we need to convert back to a single // cursor whenever vim would. if last_mode == Mode::VisualBlock && (mode != Mode::VisualBlock && mode != Mode::Insert) { let tail = s.oldest_anchor().tail(); let head = s.newest_anchor().head(); s.select_anchor_ranges(vec![tail..head]); } else if last_mode == Mode::Insert && prior_mode == Mode::VisualBlock && mode != Mode::VisualBlock { let pos = s.first_anchor().head(); s.select_anchor_ranges(vec![pos..pos]) } s.move_with(|map, selection| { if last_mode.is_visual() && !mode.is_visual() { let mut point = selection.head(); if !selection.reversed && !selection.is_empty() { point = movement::left(map, selection.head()); } selection.collapse_to(point, selection.goal) } else if !last_mode.is_visual() && mode.is_visual() { if selection.is_empty() { selection.end = movement::right(map, selection.start); } } }); }) }); } fn push_operator(&mut self, operator: Operator, cx: &mut WindowContext) { self.update_state(|state| state.operator_stack.push(operator)); self.sync_vim_settings(cx); } fn push_number(&mut self, Number(number): &Number, cx: &mut WindowContext) { if let Some(Operator::Number(current_number)) = self.active_operator() { self.pop_operator(cx); self.push_operator(Operator::Number(current_number * 10 + *number as usize), cx); } else { self.push_operator(Operator::Number(*number as usize), cx); } } fn maybe_pop_operator(&mut self) -> Option<Operator> { self.update_state(|state| state.operator_stack.pop()) } fn pop_operator(&mut self, cx: &mut WindowContext) -> Operator { let popped_operator = self.update_state( |state| state.operator_stack.pop() ) .expect("Operator popped when no operator was on the stack. This likely means there is an invalid keymap config"); self.sync_vim_settings(cx); popped_operator } fn pop_number_operator(&mut self, cx: &mut WindowContext) -> Option<usize> { if let Some(Operator::Number(number)) = self.active_operator() { self.pop_operator(cx); return Some(number); } None } fn clear_operator(&mut self, cx: &mut WindowContext) { self.update_state(|state| state.operator_stack.clear()); self.sync_vim_settings(cx); } fn active_operator(&self) -> Option<Operator> { self.state().operator_stack.last().copied() } fn active_editor_input_ignored(text: Arc<str>, cx: &mut WindowContext) { if text.is_empty() { return; } match Vim::read(cx).active_operator() { Some(Operator::FindForward { before }) => { let find = Motion::FindForward { before, text }; Vim::update(cx, |vim, _| { vim.workspace_state.last_find = Some(find.clone()) }); motion::motion(find, cx) } Some(Operator::FindBackward { after }) => { let find = Motion::FindBackward { after, text }; Vim::update(cx, |vim, _| { vim.workspace_state.last_find = Some(find.clone()) }); motion::motion(find, cx) } Some(Operator::Replace) => match Vim::read(cx).state().mode { Mode::Normal => normal_replace(text, cx), Mode::Visual | Mode::VisualLine | Mode::VisualBlock => visual_replace(text, cx), _ => Vim::update(cx, |vim, cx| vim.clear_operator(cx)), }, _ => {} } } fn set_enabled(&mut self, enabled: bool, cx: &mut AppContext) { if self.enabled != enabled { self.enabled = enabled; cx.update_default_global::<CommandPaletteFilter, _, _>(|filter, _| { if self.enabled { filter.filtered_namespaces.remove("vim"); } else { filter.filtered_namespaces.insert("vim"); } }); cx.update_active_window(|cx| { if self.enabled { let active_editor = cx .root_view() .downcast_ref::<Workspace>() .and_then(|workspace| workspace.read(cx).active_item(cx)) .and_then(|item| item.downcast::<Editor>()); if let Some(active_editor) = active_editor { self.set_active_editor(active_editor, cx); } self.switch_mode(Mode::Normal, false, cx); } self.sync_vim_settings(cx); }); } } pub fn state(&self) -> &EditorState { if let Some(active_editor) = self.active_editor.as_ref() { if let Some(state) = self.editor_states.get(&active_editor.id()) { return state; } } &self.default_state } pub fn update_state<T>(&mut self, func: impl FnOnce(&mut EditorState) -> T) -> T { let mut state = self.state().clone(); let ret = func(&mut state); if let Some(active_editor) = self.active_editor.as_ref() { self.editor_states.insert(active_editor.id(), state); } ret } fn sync_vim_settings(&self, cx: &mut WindowContext) { let state = self.state(); let cursor_shape = state.cursor_shape(); self.update_active_editor(cx, |editor, cx| { if self.enabled && editor.mode() == EditorMode::Full { editor.set_cursor_shape(cursor_shape, cx); editor.set_clip_at_line_ends(state.clip_at_line_ends(), cx); editor.set_collapse_matches(true); editor.set_input_enabled(!state.vim_controlled()); editor.set_autoindent(state.should_autoindent()); editor.selections.line_mode = matches!(state.mode, Mode::VisualLine); let context_layer = state.keymap_context_layer(); editor.set_keymap_context_layer::<Self>(context_layer, cx); } else { // Note: set_collapse_matches is not in unhook_vim_settings, as that method is called on blur, // but we need collapse_matches to persist when the search bar is focused. editor.set_collapse_matches(false); self.unhook_vim_settings(editor, cx); } }); } fn unhook_vim_settings(&self, editor: &mut Editor, cx: &mut ViewContext<Editor>) { editor.set_cursor_shape(CursorShape::Bar, cx); editor.set_clip_at_line_ends(false, cx); editor.set_input_enabled(true); editor.set_autoindent(true); editor.selections.line_mode = false; // we set the VimEnabled context on all editors so that we // can distinguish between vim mode and non-vim mode in the BufferSearchBar. // This is a bit of a hack, but currently the search crate does not depend on vim, // and it seems nice to keep it that way. if self.enabled { let mut context = KeymapContext::default(); context.add_identifier("VimEnabled"); editor.set_keymap_context_layer::<Self>(context, cx) } else { editor.remove_keymap_context_layer::<Self>(cx); } }} impl Setting for VimModeSetting { const KEY: Option<&'static str> = Some("vim_mode"); type FileContent = Option<bool>; fn load( default_value: &Self::FileContent, user_values: &[&Self::FileContent], _: &AppContext, ) -> Result<Self> { Ok(Self(user_values.iter().rev().find_map(|v| **v).unwrap_or( default_value.ok_or_else(Self::missing_default)?, ))) }} fn local_selections_changed(newest: Selection<usize>, cx: &mut WindowContext) { Vim::update(cx, |vim, cx| { if vim.enabled && vim.state().mode == Mode::Normal && !newest.is_empty() { if matches!(newest.goal, SelectionGoal::ColumnRange { .. }) { vim.switch_mode(Mode::VisualBlock, false, cx); } else { vim.switch_mode(Mode::Visual, false, cx) } } })}
#[cfg(test)]
mod test;
mod editor_events;
mod insert;
mod mode_indicator;
mod motion;
mod normal;
mod object;
mod state;
mod utils;
mod visual;
use anyhow::Result;
use collections::{CommandPaletteFilter, HashMap};
use editor::{movement, Editor, EditorMode, Event};
use gpui::{
actions, impl_actions, keymap_matcher::KeymapContext, keymap_matcher::MatchResult, AppContext,
Subscription, ViewContext, ViewHandle, WeakViewHandle, WindowContext,
};
use language::{CursorShape, Selection, SelectionGoal};
pub use mode_indicator::ModeIndicator;
use motion::Motion;
use normal::normal_replace;
use serde::Deserialize;
use settings::{Setting, SettingsStore};
use state::{EditorState, Mode, Operator, WorkspaceState};
use std::sync::Arc;
use visual::{visual_block_motion, visual_replace};
use workspace::{self, Workspace};
struct VimModeSetting(bool);
#[derive(Clone, Deserialize, PartialEq)]
pub struct SwitchMode(pub Mode);
#[derive(Clone, Deserialize, PartialEq)]
pub struct PushOperator(pub Operator);
#[derive(Clone, Deserialize, PartialEq)]
struct Number(u8);
actions!(vim, [Tab, Enter]);
impl_actions!(vim, [Number, SwitchMode, PushOperator]);
#[derive(Copy, Clone, Debug)]
enum VimEvent {
ModeChanged { mode: Mode },
}
pub fn init(cx: &mut AppContext) {
settings::register::<VimModeSetting>(cx);
editor_events::init(cx);
normal::init(cx);
visual::init(cx);
insert::init(cx);
object::init(cx);
motion::init(cx);
// Vim Actions
cx.add_action(|_: &mut Workspace, &SwitchMode(mode): &SwitchMode, cx| {
Vim::update(cx, |vim, cx| vim.switch_mode(mode, false, cx))
});
cx.add_action(
|_: &mut Workspace, &PushOperator(operator): &PushOperator, cx| {
Vim::update(cx, |vim, cx| vim.push_operator(operator, cx))
},
);
cx.add_action(|_: &mut Workspace, n: &Number, cx: _| {
Vim::update(cx, |vim, cx| vim.push_number(n, cx));
});
cx.add_action(|_: &mut Workspace, _: &Tab, cx| {
Vim::active_editor_input_ignored(" ".into(), cx)
});
cx.add_action(|_: &mut Workspace, _: &Enter, cx| {
Vim::active_editor_input_ignored("\n".into(), cx)
});
// Any time settings change, update vim mode to match. The Vim struct
// will be initialized as disabled by default, so we filter its commands
// out when starting up.
cx.update_default_global::<CommandPaletteFilter, _, _>(|filter, _| {
filter.filtered_namespaces.insert("vim");
});
cx.update_default_global(|vim: &mut Vim, cx: &mut AppContext| {
vim.set_enabled(settings::get::<VimModeSetting>(cx).0, cx)
});
cx.observe_global::<SettingsStore, _>(|cx| {
cx.update_default_global(|vim: &mut Vim, cx: &mut AppContext| {
vim.set_enabled(settings::get::<VimModeSetting>(cx).0, cx)
});
})
.detach();
}
pub fn observe_keystrokes(cx: &mut WindowContext) {
cx.observe_keystrokes(|_keystroke, result, handled_by, cx| {
if result == &MatchResult::Pending {
return true;
}
if let Some(handled_by) = handled_by {
// Keystroke is handled by the vim system, so continue forward
if handled_by.namespace() == "vim" {
return true;
}
}
Vim::update(cx, |vim, cx| match vim.active_operator() {
Some(
Operator::FindForward { .. } | Operator::FindBackward { .. } | Operator::Replace,
) => {}
Some(_) => {
vim.clear_operator(cx);
}
_ => {}
});
true
})
.detach()
}
#[derive(Default)]
pub struct Vim {
active_editor: Option<WeakViewHandle<Editor>>,
editor_subscription: Option<Subscription>,
enabled: bool,
editor_states: HashMap<usize, EditorState>,
workspace_state: WorkspaceState,
default_state: EditorState,
}
impl Vim {
fn read(cx: &mut AppContext) -> &Self {
cx.default_global()
}
fn update<F, S>(cx: &mut WindowContext, update: F) -> S
where
F: FnOnce(&mut Self, &mut WindowContext) -> S,
{
cx.update_default_global(update)
}
fn set_active_editor(&mut self, editor: ViewHandle<Editor>, cx: &mut WindowContext) {
self.active_editor = Some(editor.clone().downgrade());
self.editor_subscription = Some(cx.subscribe(&editor, |editor, event, cx| match event {
Event::SelectionsChanged { local: true } => {
let editor = editor.read(cx);
if editor.leader_replica_id().is_none() {
let newest = editor.selections.newest::<usize>(cx);
local_selections_changed(newest, cx);
}
}
Event::InputIgnored { text } => {
Vim::active_editor_input_ignored(text.clone(), cx);
}
_ => {}
}));
if self.enabled {
let editor = editor.read(cx);
let editor_mode = editor.mode();
let newest_selection_empty = editor.selections.newest::<usize>(cx).is_empty();
if editor_mode == EditorMode::Full
&& !newest_selection_empty
&& self.state().mode == Mode::Normal
{
self.switch_mode(Mode::Visual, true, cx);
}
}
self.sync_vim_settings(cx);
}
fn update_active_editor<S>(
&self,
cx: &mut WindowContext,
update: impl FnOnce(&mut Editor, &mut ViewContext<Editor>) -> S,
) -> Option<S> {
let editor = self.active_editor.clone()?.upgrade(cx)?;
Some(editor.update(cx, update))
}
fn switch_mode(&mut self, mode: Mode, leave_selections: bool, cx: &mut WindowContext) {
let state = self.state();
let last_mode = state.mode;
let prior_mode = state.last_mode;
self.update_state(|state| {
state.last_mode = last_mode;
state.mode = mode;
state.operator_stack.clear();
});
cx.emit_global(VimEvent::ModeChanged { mode });
// Sync editor settings like clip mode
self.sync_vim_settings(cx);
if leave_selections {
return;
}
// Adjust selections
self.update_active_editor(cx, |editor, cx| {
if last_mode != Mode::VisualBlock && last_mode.is_visual() && mode == Mode::VisualBlock
{
visual_block_motion(true, editor, cx, |_, point, goal| Some((point, goal)))
}
editor.change_selections(None, cx, |s| {
// we cheat with visual block mode and use multiple cursors.
// the cost of this cheat is we need to convert back to a single
// cursor whenever vim would.
if last_mode == Mode::VisualBlock
&& (mode != Mode::VisualBlock && mode != Mode::Insert)
{
let tail = s.oldest_anchor().tail();
let head = s.newest_anchor().head();
s.select_anchor_ranges(vec![tail..head]);
} else if last_mode == Mode::Insert
&& prior_mode == Mode::VisualBlock
&& mode != Mode::VisualBlock
{
let pos = s.first_anchor().head();
s.select_anchor_ranges(vec![pos..pos])
}
s.move_with(|map, selection| {
if last_mode.is_visual() && !mode.is_visual() {
let mut point = selection.head();
if !selection.reversed && !selection.is_empty() {
point = movement::left(map, selection.head());
}
selection.collapse_to(point, selection.goal)
} else if !last_mode.is_visual() && mode.is_visual() {
if selection.is_empty() {
selection.end = movement::right(map, selection.start);
}
}
});
})
});
}
fn push_operator(&mut self, operator: Operator, cx: &mut WindowContext) {
self.update_state(|state| state.operator_stack.push(operator));
self.sync_vim_settings(cx);
}
fn push_number(&mut self, Number(number): &Number, cx: &mut WindowContext) {
if let Some(Operator::Number(current_number)) = self.active_operator() {
self.pop_operator(cx);
self.push_operator(Operator::Number(current_number * 10 + *number as usize), cx);
} else {
self.push_operator(Operator::Number(*number as usize), cx);
}
}
fn maybe_pop_operator(&mut self) -> Option<Operator> {
self.update_state(|state| state.operator_stack.pop())
}
fn pop_operator(&mut self, cx: &mut WindowContext) -> Operator {
let popped_operator = self.update_state( |state| state.operator_stack.pop()
) .expect("Operator popped when no operator was on the stack. This likely means there is an invalid keymap config");
self.sync_vim_settings(cx);
popped_operator
}
fn pop_number_operator(&mut self, cx: &mut WindowContext) -> Option<usize> {
if let Some(Operator::Number(number)) = self.active_operator() {
self.pop_operator(cx);
return Some(number);
}
None
}
fn clear_operator(&mut self, cx: &mut WindowContext) {
self.update_state(|state| state.operator_stack.clear());
self.sync_vim_settings(cx);
}
fn active_operator(&self) -> Option<Operator> {
self.state().operator_stack.last().copied()
}
fn active_editor_input_ignored(text: Arc<str>, cx: &mut WindowContext) {
if text.is_empty() {
return;
}
match Vim::read(cx).active_operator() {
Some(Operator::FindForward { before }) => {
let find = Motion::FindForward { before, text };
Vim::update(cx, |vim, _| {
vim.workspace_state.last_find = Some(find.clone())
});
motion::motion(find, cx)
}
Some(Operator::FindBackward { after }) => {
let find = Motion::FindBackward { after, text };
Vim::update(cx, |vim, _| {
vim.workspace_state.last_find = Some(find.clone())
});
motion::motion(find, cx)
}
Some(Operator::Replace) => match Vim::read(cx).state().mode {
Mode::Normal => normal_replace(text, cx),
Mode::Visual | Mode::VisualLine | Mode::VisualBlock => visual_replace(text, cx),
_ => Vim::update(cx, |vim, cx| vim.clear_operator(cx)),
},
_ => {}
}
}
fn set_enabled(&mut self, enabled: bool, cx: &mut AppContext) {
if self.enabled != enabled {
self.enabled = enabled;
cx.update_default_global::<CommandPaletteFilter, _, _>(|filter, _| {
if self.enabled {
filter.filtered_namespaces.remove("vim");
} else {
filter.filtered_namespaces.insert("vim");
}
});
cx.update_active_window(|cx| {
if self.enabled {
let active_editor = cx
.root_view()
.downcast_ref::<Workspace>()
.and_then(|workspace| workspace.read(cx).active_item(cx))
.and_then(|item| item.downcast::<Editor>());
if let Some(active_editor) = active_editor {
self.set_active_editor(active_editor, cx);
}
self.switch_mode(Mode::Normal, false, cx);
}
self.sync_vim_settings(cx);
});
}
}
pub fn state(&self) -> &EditorState {
if let Some(active_editor) = self.active_editor.as_ref() {
if let Some(state) = self.editor_states.get(&active_editor.id()) {
return state;
}
}
&self.default_state
}
pub fn update_state<T>(&mut self, func: impl FnOnce(&mut EditorState) -> T) -> T {
let mut state = self.state().clone();
let ret = func(&mut state);
if let Some(active_editor) = self.active_editor.as_ref() {
self.editor_states.insert(active_editor.id(), state);
}
ret
}
fn sync_vim_settings(&self, cx: &mut WindowContext) {
let state = self.state();
let cursor_shape = state.cursor_shape();
self.update_active_editor(cx, |editor, cx| {
if self.enabled && editor.mode() == EditorMode::Full {
editor.set_cursor_shape(cursor_shape, cx);
editor.set_clip_at_line_ends(state.clip_at_line_ends(), cx);
editor.set_collapse_matches(true);
editor.set_input_enabled(!state.vim_controlled());
editor.set_autoindent(state.should_autoindent());
editor.selections.line_mode = matches!(state.mode, Mode::VisualLine);
let context_layer = state.keymap_context_layer();
editor.set_keymap_context_layer::<Self>(context_layer, cx);
} else {
// Note: set_collapse_matches is not in unhook_vim_settings, as that method is called on blur,
// but we need collapse_matches to persist when the search bar is focused.
editor.set_collapse_matches(false);
self.unhook_vim_settings(editor, cx);
}
});
}
fn unhook_vim_settings(&self, editor: &mut Editor, cx: &mut ViewContext<Editor>) {
editor.set_cursor_shape(CursorShape::Bar, cx);
editor.set_clip_at_line_ends(false, cx);
editor.set_input_enabled(true);
editor.set_autoindent(true);
editor.selections.line_mode = false;
// we set the VimEnabled context on all editors so that we
// can distinguish between vim mode and non-vim mode in the BufferSearchBar.
// This is a bit of a hack, but currently the search crate does not depend on vim,
// and it seems nice to keep it that way.
if self.enabled {
let mut context = KeymapContext::default();
context.add_identifier("VimEnabled");
editor.set_keymap_context_layer::<Self>(context, cx)
} else {
editor.remove_keymap_context_layer::<Self>(cx);
}
}
}
impl Setting for VimModeSetting {
const KEY: Option<&'static str> = Some("vim_mode");
type FileContent = Option<bool>;
fn load(
default_value: &Self::FileContent,
user_values: &[&Self::FileContent],
_: &AppContext,
) -> Result<Self> {
Ok(Self(user_values.iter().rev().find_map(|v| **v).unwrap_or(
default_value.ok_or_else(Self::missing_default)?,
)))
}
}
fn local_selections_changed(newest: Selection<usize>, cx: &mut WindowContext) {
Vim::update(cx, |vim, cx| {
if vim.enabled && vim.state().mode == Mode::Normal && !newest.is_empty() {
if matches!(newest.goal, SelectionGoal::ColumnRange { .. }) {
vim.switch_mode(Mode::VisualBlock, false, cx);
} else {
vim.switch_mode(Mode::Visual, false, cx)
}
}
})
}