//! Vim support for Zed. #[cfg(test)]mod test; mod change_list;mod command;mod editor_events;mod insert;mod mode_indicator;mod motion;mod normal;mod object;mod replace;mod state;mod surrounds;mod visual; use anyhow::Result;use change_list::push_to_change_list;use collections::HashMap;use command_palette_hooks::{CommandPaletteFilter, CommandPaletteInterceptor};use editor::{ movement::{self, FindRange}, Anchor, Bias, Editor, EditorEvent, EditorMode, ToPoint,};use gpui::{ actions, impl_actions, Action, AppContext, EntityId, FocusableView, Global, KeystrokeEvent, Subscription, UpdateGlobal, View, ViewContext, WeakView, WindowContext,};use language::{CursorShape, Point, SelectionGoal, TransactionId};pub use mode_indicator::ModeIndicator;use motion::Motion;use normal::{ mark::create_visual_marks, normal_replace, repeat::{observe_action, observe_insertion, record_register, replay_register},};use replace::multi_replace;use schemars::JsonSchema;use serde::Deserialize;use serde_derive::Serialize;use settings::{update_settings_file, Settings, SettingsSources, SettingsStore};use state::{EditorState, Mode, Operator, RecordedSelection, Register, WorkspaceState};use std::{ops::Range, sync::Arc};use surrounds::{add_surrounds, change_surrounds, delete_surrounds, SurroundsType};use ui::BorrowAppContext;use visual::{visual_block_motion, visual_replace};use workspace::{self, Workspace}; use crate::state::ReplayableAction; /// Whether or not to enable Vim mode (work in progress).////// Default: falsepub struct VimModeSetting(pub bool); /// An Action to Switch between modes#[derive(Clone, Deserialize, PartialEq)]pub struct SwitchMode(pub Mode); /// PushOperator is used to put vim into a "minor" mode,/// where it's waiting for a specific next set of keystrokes./// For example 'd' needs a motion to complete.#[derive(Clone, Deserialize, PartialEq)]pub struct PushOperator(pub Operator); /// Number is used to manage vim's count. Pushing a digit/// multiplis the current value by 10 and adds the digit.#[derive(Clone, Deserialize, PartialEq)]struct Number(usize); #[derive(Clone, Deserialize, PartialEq)]struct SelectRegister(String); actions!( vim, [ Tab, Enter, Object, InnerObject, FindForward, FindBackward, OpenDefaultKeymap ]); // in the workspace namespace so it's not filtered out when vim is disabled.actions!(workspace, [ToggleVimMode]); impl_actions!(vim, [SwitchMode, PushOperator, Number, SelectRegister]); /// Initializes the `vim` crate.pub fn init(cx: &mut AppContext) { cx.set_global(Vim::default()); VimModeSetting::register(cx); VimSettings::register(cx); cx.observe_keystrokes(observe_keystrokes).detach(); editor_events::init(cx); cx.observe_new_views(|workspace: &mut Workspace, cx| register(workspace, cx)) .detach(); // 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. CommandPaletteFilter::update_global(cx, |filter, _| { filter.hide_namespace(Vim::NAMESPACE); }); Vim::update_global(cx, |vim, cx| { vim.set_enabled(VimModeSetting::get_global(cx).0, cx) }); cx.observe_global::<SettingsStore>(|cx| { Vim::update_global(cx, |vim, cx| { vim.set_enabled(VimModeSetting::get_global(cx).0, cx) }); }) .detach();} fn register(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) { workspace.register_action(|_: &mut Workspace, &SwitchMode(mode): &SwitchMode, cx| { Vim::update(cx, |vim, cx| vim.switch_mode(mode, false, cx)) }); workspace.register_action( |_: &mut Workspace, PushOperator(operator): &PushOperator, cx| { Vim::update(cx, |vim, cx| vim.push_operator(operator.clone(), cx)) }, ); workspace.register_action(|_: &mut Workspace, n: &Number, cx: _| { Vim::update(cx, |vim, cx| vim.push_count_digit(n.0, cx)); }); workspace.register_action(|_: &mut Workspace, _: &Tab, cx| { Vim::active_editor_input_ignored(" ".into(), cx) }); workspace.register_action(|_: &mut Workspace, _: &Enter, cx| { Vim::active_editor_input_ignored("\n".into(), cx) }); workspace.register_action(|workspace: &mut Workspace, _: &ToggleVimMode, cx| { let fs = workspace.app_state().fs.clone(); let currently_enabled = VimModeSetting::get_global(cx).0; update_settings_file::<VimModeSetting>(fs, cx, move |setting| { *setting = Some(!currently_enabled) }) }); workspace.register_action(|_: &mut Workspace, _: &OpenDefaultKeymap, cx| { cx.emit(workspace::Event::OpenBundledFile { text: settings::vim_keymap(), title: "Default Vim Bindings", language: "JSON", }); }); normal::register(workspace, cx); insert::register(workspace, cx); motion::register(workspace, cx); command::register(workspace, cx); replace::register(workspace, cx); object::register(workspace, cx); visual::register(workspace, cx); change_list::register(workspace, cx);} /// Called whenever an keystroke is typed so vim can observe all actions/// and keystrokes accordingly.fn observe_keystrokes(keystroke_event: &KeystrokeEvent, cx: &mut WindowContext) { if let Some(action) = keystroke_event .action .as_ref() .map(|action| action.boxed_clone()) { observe_action(action.boxed_clone(), cx); // Keystroke is handled by the vim system, so continue forward if action.name().starts_with("vim::") { return; } } else if cx.has_pending_keystrokes() || keystroke_event.keystroke.is_ime_in_progress() { return; } Vim::update(cx, |vim, cx| match vim.active_operator() { Some( Operator::FindForward { .. } | Operator::FindBackward { .. } | Operator::Replace | Operator::AddSurrounds { .. } | Operator::ChangeSurrounds { .. } | Operator::DeleteSurrounds | Operator::Mark | Operator::Jump { .. } | Operator::Register | Operator::RecordRegister | Operator::ReplayRegister, ) => {} Some(_) => { vim.clear_operator(cx); } _ => {} });} /// The state pertaining to Vim mode.#[derive(Default)]struct Vim { active_editor: Option<WeakView<Editor>>, editor_subscription: Option<Subscription>, enabled: bool, editor_states: HashMap<EntityId, EditorState>, workspace_state: WorkspaceState, default_state: EditorState,} impl Global for Vim {} impl Vim { /// The namespace for Vim actions. const NAMESPACE: &'static str = "vim"; fn read(cx: &mut AppContext) -> &Self { cx.global::<Self>() } fn update<F, S>(cx: &mut WindowContext, update: F) -> S where F: FnOnce(&mut Self, &mut WindowContext) -> S, { cx.update_global(update) } fn activate_editor(&mut self, editor: View<Editor>, cx: &mut WindowContext) { if !editor.read(cx).use_modal_editing() { return; } self.active_editor = Some(editor.clone().downgrade()); self.editor_subscription = Some(cx.subscribe(&editor, |editor, event, cx| match event { EditorEvent::SelectionsChanged { local: true } => { if editor.read(cx).leader_peer_id().is_none() { Vim::update(cx, |vim, cx| { vim.local_selections_changed(editor, cx); }) } } EditorEvent::InputIgnored { text } => { Vim::active_editor_input_ignored(text.clone(), cx); observe_insertion(text, None, cx) } EditorEvent::InputHandled { text, utf16_range_to_replace: range_to_replace, } => observe_insertion(text, range_to_replace.clone(), cx), EditorEvent::TransactionBegun { transaction_id } => Vim::update(cx, |vim, cx| { vim.transaction_begun(*transaction_id, cx); }), EditorEvent::TransactionUndone { transaction_id } => Vim::update(cx, |vim, cx| { vim.transaction_undone(transaction_id, cx); }), EditorEvent::Edited { .. } => { Vim::update(cx, |vim, cx| vim.transaction_ended(editor, cx)) } _ => {} })); 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 // When following someone, don't switch vim mode. && editor.leader_peer_id().is_none() { self.switch_mode(Mode::Visual, true, cx); } self.sync_vim_settings(cx); } fn update_active_editor<S>( &mut self, cx: &mut WindowContext, update: impl FnOnce(&mut Vim, &mut Editor, &mut ViewContext<Editor>) -> S, ) -> Option<S> { let editor = self.active_editor.clone()?.upgrade()?; Some(editor.update(cx, |editor, cx| update(self, editor, cx))) } fn editor_selections(&mut self, cx: &mut WindowContext) -> Vec<Range<Anchor>> { self.update_active_editor(cx, |_, editor, _| { editor .selections .disjoint_anchors() .iter() .map(|selection| selection.tail()..selection.head()) .collect() }) .unwrap_or_default() } /// When doing an action that modifies the buffer, we start recording so that `.` /// will replay the action. pub fn start_recording(&mut self, cx: &mut WindowContext) { if !self.workspace_state.dot_replaying { self.workspace_state.dot_recording = true; self.workspace_state.recorded_actions = Default::default(); self.workspace_state.recorded_count = None; let selections = self .active_editor .as_ref() .and_then(|editor| editor.upgrade()) .map(|editor| { let editor = editor.read(cx); ( editor.selections.oldest::<Point>(cx), editor.selections.newest::<Point>(cx), ) }); if let Some((oldest, newest)) = selections { self.workspace_state.recorded_selection = match self.state().mode { Mode::Visual if newest.end.row == newest.start.row => { RecordedSelection::SingleLine { cols: newest.end.column - newest.start.column, } } Mode::Visual => RecordedSelection::Visual { rows: newest.end.row - newest.start.row, cols: newest.end.column, }, Mode::VisualLine => RecordedSelection::VisualLine { rows: newest.end.row - newest.start.row, }, Mode::VisualBlock => RecordedSelection::VisualBlock { rows: newest.end.row.abs_diff(oldest.start.row), cols: newest.end.column.abs_diff(oldest.start.column), }, _ => RecordedSelection::None, } } else { self.workspace_state.recorded_selection = RecordedSelection::None; } } } pub fn stop_replaying(&mut self, _: &mut WindowContext) { self.workspace_state.dot_replaying = false; if let Some(replayer) = self.workspace_state.replayer.take() { replayer.stop(); } } /// When finishing an action that modifies the buffer, stop recording. /// as you usually call this within a keystroke handler we also ensure that /// the current action is recorded. pub fn stop_recording(&mut self) { if self.workspace_state.dot_recording { self.workspace_state.stop_recording_after_next_action = true; } } /// Stops recording actions immediately rather than waiting until after the /// next action to stop recording. /// /// This doesn't include the current action. pub fn stop_recording_immediately(&mut self, action: Box<dyn Action>) { if self.workspace_state.dot_recording { self.workspace_state .recorded_actions .push(ReplayableAction::Action(action.boxed_clone())); self.workspace_state.dot_recording = false; self.workspace_state.stop_recording_after_next_action = false; } } /// Explicitly record one action (equivalents to start_recording and stop_recording) pub fn record_current_action(&mut self, cx: &mut WindowContext) { self.start_recording(cx); self.stop_recording(); } 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; let prior_tx = state.current_tx; self.update_state(|state| { state.last_mode = last_mode; state.mode = mode; state.operator_stack.clear(); if mode == Mode::Normal || mode != last_mode { state.current_tx.take(); state.current_anchor.take(); } }); if mode != Mode::Insert && mode != Mode::Replace { self.take_count(cx); } // Sync editor settings like clip mode self.sync_vim_settings(cx); if !mode.is_visual() && last_mode.is_visual() { create_visual_marks(self, last_mode, 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))) } if last_mode == Mode::Insert || last_mode == Mode::Replace { if let Some(prior_tx) = prior_tx { editor.group_until_transaction(prior_tx, cx) } } 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]) } let snapshot = s.display_map(); if let Some(pending) = s.pending.as_mut() { if pending.selection.reversed && mode.is_visual() && !last_mode.is_visual() { let mut end = pending.selection.end.to_point(&snapshot.buffer_snapshot); end = snapshot .buffer_snapshot .clip_point(end + Point::new(0, 1), Bias::Right); pending.selection.end = snapshot.buffer_snapshot.anchor_before(end); } } 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_count_digit(&mut self, number: usize, cx: &mut WindowContext) { if self.active_operator().is_some() { self.update_state(|state| { state.post_count = Some(state.post_count.unwrap_or(0) * 10 + number) }) } else { self.update_state(|state| { state.pre_count = Some(state.pre_count.unwrap_or(0) * 10 + number) }) } // update the keymap so that 0 works self.sync_vim_settings(cx) } fn take_count(&mut self, cx: &mut WindowContext) -> Option<usize> { if self.workspace_state.dot_replaying { return self.workspace_state.recorded_count; } let count = if self.state().post_count == None && self.state().pre_count == None { return None; } else { Some(self.update_state(|state| { state.post_count.take().unwrap_or(1) * state.pre_count.take().unwrap_or(1) }))Lines 1–500 of 1050. Load more
//! Vim support for Zed. #[cfg(test)] mod test; mod change_list; mod command; mod editor_events; mod insert; mod mode_indicator; mod motion; mod normal; mod object; mod replace; mod state; mod surrounds; mod visual; use anyhow::Result; use change_list::push_to_change_list; use collections::HashMap; use command_palette_hooks::{CommandPaletteFilter, CommandPaletteInterceptor}; use editor::{ movement::{self, FindRange}, Anchor, Bias, Editor, EditorEvent, EditorMode, ToPoint, }; use gpui::{ actions, impl_actions, Action, AppContext, EntityId, FocusableView, Global, KeystrokeEvent, Subscription, UpdateGlobal, View, ViewContext, WeakView, WindowContext, }; use language::{CursorShape, Point, SelectionGoal, TransactionId}; pub use mode_indicator::ModeIndicator; use motion::Motion; use normal::{ mark::create_visual_marks, normal_replace, repeat::{observe_action, observe_insertion, record_register, replay_register}, }; use replace::multi_replace; use schemars::JsonSchema; use serde::Deserialize; use serde_derive::Serialize; use settings::{update_settings_file, Settings, SettingsSources, SettingsStore}; use state::{EditorState, Mode, Operator, RecordedSelection, Register, WorkspaceState}; use std::{ops::Range, sync::Arc}; use surrounds::{add_surrounds, change_surrounds, delete_surrounds, SurroundsType}; use ui::BorrowAppContext; use visual::{visual_block_motion, visual_replace}; use workspace::{self, Workspace}; use crate::state::ReplayableAction; /// Whether or not to enable Vim mode (work in progress). /// /// Default: false pub struct VimModeSetting(pub bool); /// An Action to Switch between modes #[derive(Clone, Deserialize, PartialEq)] pub struct SwitchMode(pub Mode); /// PushOperator is used to put vim into a "minor" mode, /// where it's waiting for a specific next set of keystrokes. /// For example 'd' needs a motion to complete. #[derive(Clone, Deserialize, PartialEq)] pub struct PushOperator(pub Operator); /// Number is used to manage vim's count. Pushing a digit /// multiplis the current value by 10 and adds the digit. #[derive(Clone, Deserialize, PartialEq)] struct Number(usize); #[derive(Clone, Deserialize, PartialEq)] struct SelectRegister(String); actions!( vim, [ Tab, Enter, Object, InnerObject, FindForward, FindBackward, OpenDefaultKeymap ] ); // in the workspace namespace so it's not filtered out when vim is disabled. actions!(workspace, [ToggleVimMode]); impl_actions!(vim, [SwitchMode, PushOperator, Number, SelectRegister]); /// Initializes the `vim` crate. pub fn init(cx: &mut AppContext) { cx.set_global(Vim::default()); VimModeSetting::register(cx); VimSettings::register(cx); cx.observe_keystrokes(observe_keystrokes).detach(); editor_events::init(cx); cx.observe_new_views(|workspace: &mut Workspace, cx| register(workspace, cx)) .detach(); // 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. CommandPaletteFilter::update_global(cx, |filter, _| { filter.hide_namespace(Vim::NAMESPACE); }); Vim::update_global(cx, |vim, cx| { vim.set_enabled(VimModeSetting::get_global(cx).0, cx) }); cx.observe_global::<SettingsStore>(|cx| { Vim::update_global(cx, |vim, cx| { vim.set_enabled(VimModeSetting::get_global(cx).0, cx) }); }) .detach(); } fn register(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) { workspace.register_action(|_: &mut Workspace, &SwitchMode(mode): &SwitchMode, cx| { Vim::update(cx, |vim, cx| vim.switch_mode(mode, false, cx)) }); workspace.register_action( |_: &mut Workspace, PushOperator(operator): &PushOperator, cx| { Vim::update(cx, |vim, cx| vim.push_operator(operator.clone(), cx)) }, ); workspace.register_action(|_: &mut Workspace, n: &Number, cx: _| { Vim::update(cx, |vim, cx| vim.push_count_digit(n.0, cx)); }); workspace.register_action(|_: &mut Workspace, _: &Tab, cx| { Vim::active_editor_input_ignored(" ".into(), cx) }); workspace.register_action(|_: &mut Workspace, _: &Enter, cx| { Vim::active_editor_input_ignored("\n".into(), cx) }); workspace.register_action(|workspace: &mut Workspace, _: &ToggleVimMode, cx| { let fs = workspace.app_state().fs.clone(); let currently_enabled = VimModeSetting::get_global(cx).0; update_settings_file::<VimModeSetting>(fs, cx, move |setting| { *setting = Some(!currently_enabled) }) }); workspace.register_action(|_: &mut Workspace, _: &OpenDefaultKeymap, cx| { cx.emit(workspace::Event::OpenBundledFile { text: settings::vim_keymap(), title: "Default Vim Bindings", language: "JSON", }); }); normal::register(workspace, cx); insert::register(workspace, cx); motion::register(workspace, cx); command::register(workspace, cx); replace::register(workspace, cx); object::register(workspace, cx); visual::register(workspace, cx); change_list::register(workspace, cx); } /// Called whenever an keystroke is typed so vim can observe all actions /// and keystrokes accordingly. fn observe_keystrokes(keystroke_event: &KeystrokeEvent, cx: &mut WindowContext) { if let Some(action) = keystroke_event .action .as_ref() .map(|action| action.boxed_clone()) { observe_action(action.boxed_clone(), cx); // Keystroke is handled by the vim system, so continue forward if action.name().starts_with("vim::") { return; } } else if cx.has_pending_keystrokes() || keystroke_event.keystroke.is_ime_in_progress() { return; } Vim::update(cx, |vim, cx| match vim.active_operator() { Some( Operator::FindForward { .. } | Operator::FindBackward { .. } | Operator::Replace | Operator::AddSurrounds { .. } | Operator::ChangeSurrounds { .. } | Operator::DeleteSurrounds | Operator::Mark | Operator::Jump { .. } | Operator::Register | Operator::RecordRegister | Operator::ReplayRegister, ) => {} Some(_) => { vim.clear_operator(cx); } _ => {} }); } /// The state pertaining to Vim mode. #[derive(Default)] struct Vim { active_editor: Option<WeakView<Editor>>, editor_subscription: Option<Subscription>, enabled: bool, editor_states: HashMap<EntityId, EditorState>, workspace_state: WorkspaceState, default_state: EditorState, } impl Global for Vim {} impl Vim { /// The namespace for Vim actions. const NAMESPACE: &'static str = "vim"; fn read(cx: &mut AppContext) -> &Self { cx.global::<Self>() } fn update<F, S>(cx: &mut WindowContext, update: F) -> S where F: FnOnce(&mut Self, &mut WindowContext) -> S, { cx.update_global(update) } fn activate_editor(&mut self, editor: View<Editor>, cx: &mut WindowContext) { if !editor.read(cx).use_modal_editing() { return; } self.active_editor = Some(editor.clone().downgrade()); self.editor_subscription = Some(cx.subscribe(&editor, |editor, event, cx| match event { EditorEvent::SelectionsChanged { local: true } => { if editor.read(cx).leader_peer_id().is_none() { Vim::update(cx, |vim, cx| { vim.local_selections_changed(editor, cx); }) } } EditorEvent::InputIgnored { text } => { Vim::active_editor_input_ignored(text.clone(), cx); observe_insertion(text, None, cx) } EditorEvent::InputHandled { text, utf16_range_to_replace: range_to_replace, } => observe_insertion(text, range_to_replace.clone(), cx), EditorEvent::TransactionBegun { transaction_id } => Vim::update(cx, |vim, cx| { vim.transaction_begun(*transaction_id, cx); }), EditorEvent::TransactionUndone { transaction_id } => Vim::update(cx, |vim, cx| { vim.transaction_undone(transaction_id, cx); }), EditorEvent::Edited { .. } => { Vim::update(cx, |vim, cx| vim.transaction_ended(editor, cx)) } _ => {} })); 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 // When following someone, don't switch vim mode. && editor.leader_peer_id().is_none() { self.switch_mode(Mode::Visual, true, cx); } self.sync_vim_settings(cx); } fn update_active_editor<S>( &mut self, cx: &mut WindowContext, update: impl FnOnce(&mut Vim, &mut Editor, &mut ViewContext<Editor>) -> S, ) -> Option<S> { let editor = self.active_editor.clone()?.upgrade()?; Some(editor.update(cx, |editor, cx| update(self, editor, cx))) } fn editor_selections(&mut self, cx: &mut WindowContext) -> Vec<Range<Anchor>> { self.update_active_editor(cx, |_, editor, _| { editor .selections .disjoint_anchors() .iter() .map(|selection| selection.tail()..selection.head()) .collect() }) .unwrap_or_default() } /// When doing an action that modifies the buffer, we start recording so that `.` /// will replay the action. pub fn start_recording(&mut self, cx: &mut WindowContext) { if !self.workspace_state.dot_replaying { self.workspace_state.dot_recording = true; self.workspace_state.recorded_actions = Default::default(); self.workspace_state.recorded_count = None; let selections = self .active_editor .as_ref() .and_then(|editor| editor.upgrade()) .map(|editor| { let editor = editor.read(cx); ( editor.selections.oldest::<Point>(cx), editor.selections.newest::<Point>(cx), ) }); if let Some((oldest, newest)) = selections { self.workspace_state.recorded_selection = match self.state().mode { Mode::Visual if newest.end.row == newest.start.row => { RecordedSelection::SingleLine { cols: newest.end.column - newest.start.column, } } Mode::Visual => RecordedSelection::Visual { rows: newest.end.row - newest.start.row, cols: newest.end.column, }, Mode::VisualLine => RecordedSelection::VisualLine { rows: newest.end.row - newest.start.row, }, Mode::VisualBlock => RecordedSelection::VisualBlock { rows: newest.end.row.abs_diff(oldest.start.row), cols: newest.end.column.abs_diff(oldest.start.column), }, _ => RecordedSelection::None, } } else { self.workspace_state.recorded_selection = RecordedSelection::None; } } } pub fn stop_replaying(&mut self, _: &mut WindowContext) { self.workspace_state.dot_replaying = false; if let Some(replayer) = self.workspace_state.replayer.take() { replayer.stop(); } } /// When finishing an action that modifies the buffer, stop recording. /// as you usually call this within a keystroke handler we also ensure that /// the current action is recorded. pub fn stop_recording(&mut self) { if self.workspace_state.dot_recording { self.workspace_state.stop_recording_after_next_action = true; } } /// Stops recording actions immediately rather than waiting until after the /// next action to stop recording. /// /// This doesn't include the current action. pub fn stop_recording_immediately(&mut self, action: Box<dyn Action>) { if self.workspace_state.dot_recording { self.workspace_state .recorded_actions .push(ReplayableAction::Action(action.boxed_clone())); self.workspace_state.dot_recording = false; self.workspace_state.stop_recording_after_next_action = false; } } /// Explicitly record one action (equivalents to start_recording and stop_recording) pub fn record_current_action(&mut self, cx: &mut WindowContext) { self.start_recording(cx); self.stop_recording(); } 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; let prior_tx = state.current_tx; self.update_state(|state| { state.last_mode = last_mode; state.mode = mode; state.operator_stack.clear(); if mode == Mode::Normal || mode != last_mode { state.current_tx.take(); state.current_anchor.take(); } }); if mode != Mode::Insert && mode != Mode::Replace { self.take_count(cx); } // Sync editor settings like clip mode self.sync_vim_settings(cx); if !mode.is_visual() && last_mode.is_visual() { create_visual_marks(self, last_mode, 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))) } if last_mode == Mode::Insert || last_mode == Mode::Replace { if let Some(prior_tx) = prior_tx { editor.group_until_transaction(prior_tx, cx) } } 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]) } let snapshot = s.display_map(); if let Some(pending) = s.pending.as_mut() { if pending.selection.reversed && mode.is_visual() && !last_mode.is_visual() { let mut end = pending.selection.end.to_point(&snapshot.buffer_snapshot); end = snapshot .buffer_snapshot .clip_point(end + Point::new(0, 1), Bias::Right); pending.selection.end = snapshot.buffer_snapshot.anchor_before(end); } } 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_count_digit(&mut self, number: usize, cx: &mut WindowContext) { if self.active_operator().is_some() { self.update_state(|state| { state.post_count = Some(state.post_count.unwrap_or(0) * 10 + number) }) } else { self.update_state(|state| { state.pre_count = Some(state.pre_count.unwrap_or(0) * 10 + number) }) } // update the keymap so that 0 works self.sync_vim_settings(cx) } fn take_count(&mut self, cx: &mut WindowContext) -> Option<usize> { if self.workspace_state.dot_replaying { return self.workspace_state.recorded_count; } let count = if self.state().post_count == None && self.state().pre_count == None { return None; } else { Some(self.update_state(|state| { state.post_count.take().unwrap_or(1) * state.pre_count.take().unwrap_or(1) }))