use crate::{motion::Motion, object::Object, state::Mode, Vim};use collections::HashMap;use editor::{display_map::ToDisplayPoint, Bias, Editor};use gpui::actions;use language::SelectionGoal;use ui::ViewContext; #[derive(PartialEq, Eq)]pub(crate) enum IndentDirection {    In,    Out,} actions!(vim, [Indent, Outdent,]); pub(crate) fn register(editor: &mut Editor, cx: &mut ViewContext<Vim>) {    Vim::action(editor, cx, |vim, _: &Indent, cx| {        vim.record_current_action(cx);        let count = vim.take_count(cx).unwrap_or(1);        vim.store_visual_marks(cx);        vim.update_editor(cx, |vim, editor, cx| {            editor.transact(cx, |editor, cx| {                let mut original_positions = vim.save_selection_starts(editor, cx);                for _ in 0..count {                    editor.indent(&Default::default(), cx);                }                vim.restore_selection_cursors(editor, cx, &mut original_positions);            });        });        if vim.mode.is_visual() {            vim.switch_mode(Mode::Normal, true, cx)        }    });     Vim::action(editor, cx, |vim, _: &Outdent, cx| {        vim.record_current_action(cx);        let count = vim.take_count(cx).unwrap_or(1);        vim.store_visual_marks(cx);        vim.update_editor(cx, |vim, editor, cx| {            editor.transact(cx, |editor, cx| {                let mut original_positions = vim.save_selection_starts(editor, cx);                for _ in 0..count {                    editor.outdent(&Default::default(), cx);                }                vim.restore_selection_cursors(editor, cx, &mut original_positions);            });        });        if vim.mode.is_visual() {            vim.switch_mode(Mode::Normal, true, cx)        }    });} impl Vim {    pub(crate) fn indent_motion(        &mut self,        motion: Motion,        times: Option<usize>,        dir: IndentDirection,        cx: &mut ViewContext<Self>,    ) {        self.stop_recording(cx);        self.update_editor(cx, |_, editor, cx| {            let text_layout_details = editor.text_layout_details(cx);            editor.transact(cx, |editor, cx| {                let mut selection_starts: HashMap<_, _> = Default::default();                editor.change_selections(None, cx, |s| {                    s.move_with(|map, selection| {                        let anchor = map.display_point_to_anchor(selection.head(), Bias::Right);                        selection_starts.insert(selection.id, anchor);                        motion.expand_selection(map, selection, times, false, &text_layout_details);                    });                });                if dir == IndentDirection::In {                    editor.indent(&Default::default(), cx);                } else {                    editor.outdent(&Default::default(), cx);                }                editor.change_selections(None, cx, |s| {                    s.move_with(|map, selection| {                        let anchor = selection_starts.remove(&selection.id).unwrap();                        selection.collapse_to(anchor.to_display_point(map), SelectionGoal::None);                    });                });            });        });    }     pub(crate) fn indent_object(        &mut self,        object: Object,        around: bool,        dir: IndentDirection,        cx: &mut ViewContext<Self>,    ) {        self.stop_recording(cx);        self.update_editor(cx, |_, editor, cx| {            editor.transact(cx, |editor, cx| {                let mut original_positions: HashMap<_, _> = Default::default();                editor.change_selections(None, cx, |s| {                    s.move_with(|map, selection| {                        let anchor = map.display_point_to_anchor(selection.head(), Bias::Right);                        original_positions.insert(selection.id, anchor);                        object.expand_selection(map, selection, around);                    });                });                if dir == IndentDirection::In {                    editor.indent(&Default::default(), cx);                } else {                    editor.outdent(&Default::default(), cx);                }                editor.change_selections(None, cx, |s| {                    s.move_with(|map, selection| {                        let anchor = original_positions.remove(&selection.id).unwrap();                        selection.collapse_to(anchor.to_display_point(map), SelectionGoal::None);                    });                });            });        });    }} #[cfg(test)]mod test {    use crate::test::NeovimBackedTestContext;     #[gpui::test]    async fn test_indent_gv(cx: &mut gpui::TestAppContext) {        let mut cx = NeovimBackedTestContext::new(cx).await;        cx.set_neovim_option("shiftwidth=4").await;         cx.set_shared_state("ˇhello\nworld\n").await;        cx.simulate_shared_keystrokes("v j > g v").await;        cx.shared_state()            .await            .assert_eq("«    hello\n ˇ»   world\n");    }}