use crate::{    Copy, CopyAndTrim, CopyPermalinkToLine, Cut, DisplayPoint, DisplaySnapshot, Editor,    EvaluateSelectedText, FindAllReferences, GoToDeclaration, GoToDefinition, GoToImplementation,    GoToTypeDefinition, Paste, Rename, RevealInFileManager, SelectMode, SelectionEffects,    SelectionExt, ToDisplayPoint, ToggleCodeActions,    actions::{Format, FormatSelections},    selections_collection::SelectionsCollection,};use gpui::prelude::FluentBuilder;use gpui::{Context, DismissEvent, Entity, Focusable as _, Pixels, Point, Subscription, Window};use std::ops::Range;use text::PointUtf16;use workspace::OpenInTerminal; #[derive(Debug)]pub enum MenuPosition {    /// When the editor is scrolled, the context menu stays on the exact    /// same position on the screen, never disappearing.    PinnedToScreen(Point<Pixels>),    /// When the editor is scrolled, the context menu follows the position it is associated with.    /// Disappears when the position is no longer visible.    PinnedToEditor {        source: multi_buffer::Anchor,        offset: Point<Pixels>,    },} pub struct MouseContextMenu {    pub(crate) position: MenuPosition,    pub(crate) context_menu: Entity<ui::ContextMenu>,    _dismiss_subscription: Subscription,    _cursor_move_subscription: Subscription,} impl std::fmt::Debug for MouseContextMenu {    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {        f.debug_struct("MouseContextMenu")            .field("position", &self.position)            .field("context_menu", &self.context_menu)            .finish()    }} impl MouseContextMenu {    pub(crate) fn pinned_to_editor(        editor: &mut Editor,        source: multi_buffer::Anchor,        position: Point<Pixels>,        context_menu: Entity<ui::ContextMenu>,        window: &mut Window,        cx: &mut Context<Editor>,    ) -> Option<Self> {        let editor_snapshot = editor.snapshot(window, cx);        let content_origin = editor.last_bounds?.origin            + Point {                x: editor.gutter_dimensions.width,                y: Pixels(0.0),            };        let source_position = editor.to_pixel_point(source, &editor_snapshot, window)?;        let menu_position = MenuPosition::PinnedToEditor {            source,            offset: position - (source_position + content_origin),        };        return Some(MouseContextMenu::new(            editor,            menu_position,            context_menu,            window,            cx,        ));    }     pub(crate) fn new(        editor: &Editor,        position: MenuPosition,        context_menu: Entity<ui::ContextMenu>,        window: &mut Window,        cx: &mut Context<Editor>,    ) -> Self {        let context_menu_focus = context_menu.focus_handle(cx);        window.focus(&context_menu_focus);         let _dismiss_subscription = cx.subscribe_in(&context_menu, window, {            let context_menu_focus = context_menu_focus.clone();            move |editor, _, _event: &DismissEvent, window, cx| {                editor.mouse_context_menu.take();                if context_menu_focus.contains_focused(window, cx) {                    window.focus(&editor.focus_handle(cx));                }            }        });         let selection_init = editor.selections.newest_anchor().clone();         let _cursor_move_subscription = cx.subscribe_in(            &cx.entity(),            window,            move |editor, _, event: &crate::EditorEvent, window, cx| {                let crate::EditorEvent::SelectionsChanged { local: true } = event else {                    return;                };                let display_snapshot = &editor                    .display_map                    .update(cx, |display_map, cx| display_map.snapshot(cx));                let selection_init_range = selection_init.display_range(&display_snapshot);                let selection_now_range = editor                    .selections                    .newest_anchor()                    .display_range(&display_snapshot);                if selection_now_range == selection_init_range {                    return;                }                editor.mouse_context_menu.take();                if context_menu_focus.contains_focused(window, cx) {                    window.focus(&editor.focus_handle(cx));                }            },        );         Self {            position,            context_menu,            _dismiss_subscription,            _cursor_move_subscription,        }    }} fn display_ranges<'a>(    display_map: &'a DisplaySnapshot,    selections: &'a SelectionsCollection,) -> impl Iterator<Item = Range<DisplayPoint>> + 'a {    let pending = selections        .pending        .as_ref()        .map(|pending| &pending.selection);    selections        .disjoint        .iter()        .chain(pending)        .map(move |s| s.start.to_display_point(display_map)..s.end.to_display_point(display_map))} pub fn deploy_context_menu(    editor: &mut Editor,    position: Option<Point<Pixels>>,    point: DisplayPoint,    window: &mut Window,    cx: &mut Context<Editor>,) {    if !editor.is_focused(window) {        window.focus(&editor.focus_handle(cx));    }     // Don't show context menu for inline editors    if !editor.mode().is_full() {        return;    }     let display_map = editor.selections.display_map(cx);    let source_anchor = display_map.display_point_to_anchor(point, text::Bias::Right);    let context_menu = if let Some(custom) = editor.custom_context_menu.take() {        let menu = custom(editor, point, window, cx);        editor.custom_context_menu = Some(custom);        let Some(menu) = menu else {            return;        };        menu    } else {        // Don't show the context menu if there isn't a project associated with this editor        let Some(project) = editor.project.clone() else {            return;        };         let display_map = editor.selections.display_map(cx);        let buffer = &editor.snapshot(window, cx).buffer_snapshot;        let anchor = buffer.anchor_before(point.to_point(&display_map));        if !display_ranges(&display_map, &editor.selections).any(|r| r.contains(&point)) {            // Move the cursor to the clicked location so that dispatched actions make sense            editor.change_selections(SelectionEffects::no_scroll(), window, cx, |s| {                s.clear_disjoint();                s.set_pending_anchor_range(anchor..anchor, SelectMode::Character);            });        }         let focus = window.focused(cx);        let has_reveal_target = editor.target_file(cx).is_some();        let has_selections = editor            .selections            .all::<PointUtf16>(cx)            .into_iter()            .any(|s| !s.is_empty());        let has_git_repo = anchor.buffer_id.is_some_and(|buffer_id| {            project                .read(cx)                .git_store()                .read(cx)                .repository_and_path_for_buffer_id(buffer_id, cx)                .is_some()        });         let evaluate_selection = window.is_action_available(&EvaluateSelectedText, cx);         ui::ContextMenu::build(window, cx, |menu, _window, _cx| {            let builder = menu                .on_blur_subscription(Subscription::new(|| {}))                .when(evaluate_selection && has_selections, |builder| {                    builder                        .action("Evaluate Selection", Box::new(EvaluateSelectedText))                        .separator()                })                .action("Go to Definition", Box::new(GoToDefinition))                .action("Go to Declaration", Box::new(GoToDeclaration))                .action("Go to Type Definition", Box::new(GoToTypeDefinition))                .action("Go to Implementation", Box::new(GoToImplementation))                .action("Find All References", Box::new(FindAllReferences))                .separator()                .action("Rename Symbol", Box::new(Rename))                .action("Format Buffer", Box::new(Format))                .when(has_selections, |cx| {                    cx.action("Format Selections", Box::new(FormatSelections))                })                .action(                    "Show Code Actions",                    Box::new(ToggleCodeActions {                        deployed_from: None,                        quick_launch: false,                    }),                )                .separator()                .action("Cut", Box::new(Cut))                .action("Copy", Box::new(Copy))                .action("Copy and Trim", Box::new(CopyAndTrim))                .action("Paste", Box::new(Paste))                .separator()                .action_disabled_when(                    !has_reveal_target,                    if cfg!(target_os = "macos") {                        "Reveal in Finder"                    } else {                        "Reveal in File Manager"                    },                    Box::new(RevealInFileManager),                )                .action_disabled_when(                    !has_reveal_target,                    "Open in Terminal",                    Box::new(OpenInTerminal),                )                .action_disabled_when(                    !has_git_repo,                    "Copy Permalink",                    Box::new(CopyPermalinkToLine),                );            match focus {                Some(focus) => builder.context(focus),                None => builder,            }        })    };     editor.mouse_context_menu = match position {        Some(position) => MouseContextMenu::pinned_to_editor(            editor,            source_anchor,            position,            context_menu,            window,            cx,        ),        None => {            let character_size = editor.character_dimensions(window);            let menu_position = MenuPosition::PinnedToEditor {                source: source_anchor,                offset: gpui::point(character_size.em_width, character_size.line_height),            };            Some(MouseContextMenu::new(                editor,                menu_position,                context_menu,                window,                cx,            ))        }    };    cx.notify();} #[cfg(test)]mod tests {    use super::*;    use crate::{editor_tests::init_test, test::editor_lsp_test_context::EditorLspTestContext};    use indoc::indoc;     #[gpui::test]    async fn test_mouse_context_menu(cx: &mut gpui::TestAppContext) {        init_test(cx, |_| {});         let mut cx = EditorLspTestContext::new_rust(            lsp::ServerCapabilities {                hover_provider: Some(lsp::HoverProviderCapability::Simple(true)),                ..Default::default()            },            cx,        )        .await;         cx.set_state(indoc! {"            fn teˇst() {                do_work();            }        "});        let point = cx.display_point(indoc! {"            fn test() {                do_wˇork();            }        "});        cx.editor(|editor, _window, _app| assert!(editor.mouse_context_menu.is_none()));        cx.update_editor(|editor, window, cx| {            deploy_context_menu(editor, Some(Default::default()), point, window, cx)        });         cx.assert_editor_state(indoc! {"            fn test() {                do_wˇork();            }        "});        cx.editor(|editor, _window, _app| assert!(editor.mouse_context_menu.is_some()));    }}