use std::{    borrow::Cow,    ops::Not,    path::{Path, PathBuf},}; use dap::{DapRegistry, DebugRequest};use editor::{Editor, EditorElement, EditorStyle};use gpui::{    App, AppContext, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, Render, TextStyle,    WeakEntity,};use settings::Settings;use task::{DebugTaskDefinition, DebugTaskTemplate, LaunchRequest};use theme::ThemeSettings;use ui::{    ActiveTheme, Button, ButtonCommon, ButtonSize, CheckboxWithLabel, Clickable, Color, Context,    ContextMenu, Disableable, DropdownMenu, FluentBuilder, InteractiveElement, IntoElement, Label,    LabelCommon as _, ParentElement, RenderOnce, SharedString, Styled, StyledExt, ToggleButton,    ToggleState, Toggleable, Window, div, h_flex, relative, rems, v_flex,};use workspace::{ModalView, Workspace}; use crate::{attach_modal::AttachModal, debugger_panel::DebugPanel}; #[derive(Clone)]pub(super) struct NewSessionModal {    workspace: WeakEntity<Workspace>,    debug_panel: WeakEntity<DebugPanel>,    mode: NewSessionMode,    stop_on_entry: ToggleState,    initialize_args: Option<serde_json::Value>,    debugger: Option<SharedString>,    last_selected_profile_name: Option<SharedString>,} fn suggested_label(request: &DebugRequest, debugger: &str) -> String {    match request {        DebugRequest::Launch(config) => {            let last_path_component = Path::new(&config.program)                .file_name()                .map(|name| name.to_string_lossy())                .unwrap_or_else(|| Cow::Borrowed(&config.program));             format!("{} ({debugger})", last_path_component)        }        DebugRequest::Attach(config) => format!(            "pid: {} ({debugger})",            config.process_id.unwrap_or(u32::MAX)        ),    }} impl NewSessionModal {    pub(super) fn new(        past_debug_definition: Option<DebugTaskDefinition>,        debug_panel: WeakEntity<DebugPanel>,        workspace: WeakEntity<Workspace>,        window: &mut Window,        cx: &mut Context<Self>,    ) -> Self {        let debugger = past_debug_definition            .as_ref()            .map(|def| def.adapter.clone().into());         let stop_on_entry = past_debug_definition            .as_ref()            .and_then(|def| def.stop_on_entry);         let launch_config = match past_debug_definition.map(|def| def.request) {            Some(DebugRequest::Launch(launch_config)) => Some(launch_config),            _ => None,        };         Self {            workspace: workspace.clone(),            debugger,            debug_panel,            mode: NewSessionMode::launch(launch_config, window, cx),            stop_on_entry: stop_on_entry                .map(Into::into)                .unwrap_or(ToggleState::Unselected),            last_selected_profile_name: None,            initialize_args: None,        }    }     fn debug_config(&self, cx: &App, debugger: &str) -> DebugTaskDefinition {        let request = self.mode.debug_task(cx);        DebugTaskDefinition {            adapter: debugger.to_owned(),            label: suggested_label(&request, debugger),            request,            initialize_args: self.initialize_args.clone(),            tcp_connection: None,            stop_on_entry: match self.stop_on_entry {                ToggleState::Selected => Some(true),                _ => None,            },        }    }     fn start_new_session(&self, window: &mut Window, cx: &mut Context<Self>) {        let Some(debugger) = self.debugger.as_ref() else {            // todo: show in UI.            log::error!("No debugger selected");            return;        };        let config = self.debug_config(cx, debugger);        let debug_panel = self.debug_panel.clone();         let task_contexts = self            .workspace            .update(cx, |workspace, cx| {                tasks_ui::task_contexts(workspace, window, cx)            })            .ok();         cx.spawn_in(window, async move |this, cx| {            let task_context = if let Some(task) = task_contexts {                task.await                    .active_worktree_context                    .map_or(task::TaskContext::default(), |context| context.1)            } else {                task::TaskContext::default()            };             debug_panel.update_in(cx, |debug_panel, window, cx| {                let template = DebugTaskTemplate {                    locator: None,                    definition: config.clone(),                };                if let Some(debug_config) = template                    .to_zed_format()                    .resolve_task("debug_task", &task_context)                    .and_then(|resolved_task| resolved_task.resolved_debug_adapter_config())                {                    debug_panel.start_session(debug_config.definition, window, cx)                } else {                    debug_panel.start_session(config, window, cx)                }            })?;            this.update(cx, |_, cx| {                cx.emit(DismissEvent);            })            .ok();            anyhow::Result::<_, anyhow::Error>::Ok(())        })        .detach_and_log_err(cx);    }     fn update_attach_picker(        attach: &Entity<AttachMode>,        selected_debugger: &str,        window: &mut Window,        cx: &mut App,    ) {        attach.update(cx, |this, cx| {            if selected_debugger != this.debug_definition.adapter {                this.debug_definition.adapter = selected_debugger.into();                 this.attach_picker.update(cx, |this, cx| {                    this.picker.update(cx, |this, cx| {                        this.delegate.debug_config.adapter = selected_debugger.into();                        this.focus(window, cx);                    })                });            }             cx.notify();        })    }    fn adapter_drop_down_menu(        &self,        window: &mut Window,        cx: &mut Context<Self>,    ) -> ui::DropdownMenu {        let workspace = self.workspace.clone();        let weak = cx.weak_entity();        let debugger = self.debugger.clone();        DropdownMenu::new(            "dap-adapter-picker",            debugger                .as_ref()                .unwrap_or_else(|| &SELECT_DEBUGGER_LABEL)                .clone(),            ContextMenu::build(window, cx, move |mut menu, _, cx| {                let setter_for_name = |name: SharedString| {                    let weak = weak.clone();                    move |window: &mut Window, cx: &mut App| {                        weak.update(cx, |this, cx| {                            this.debugger = Some(name.clone());                            cx.notify();                            if let NewSessionMode::Attach(attach) = &this.mode {                                Self::update_attach_picker(&attach, &name, window, cx);                            }                        })                        .ok();                    }                };                 let available_adapters = workspace                    .update(cx, |_, cx| DapRegistry::global(cx).enumerate_adapters())                    .ok()                    .unwrap_or_default();                 for adapter in available_adapters {                    menu = menu.entry(adapter.0.clone(), None, setter_for_name(adapter.0.clone()));                }                menu            }),        )    }     fn debug_config_drop_down_menu(        &self,        window: &mut Window,        cx: &mut Context<Self>,    ) -> ui::DropdownMenu {        let workspace = self.workspace.clone();        let weak = cx.weak_entity();        let last_profile = self.last_selected_profile_name.clone();        DropdownMenu::new(            "debug-config-menu",            last_profile.unwrap_or_else(|| SELECT_SCENARIO_LABEL.clone()),            ContextMenu::build(window, cx, move |mut menu, _, cx| {                let setter_for_name = |task: DebugTaskDefinition| {                    let weak = weak.clone();                    move |window: &mut Window, cx: &mut App| {                        weak.update(cx, |this, cx| {                            this.last_selected_profile_name = Some(SharedString::from(&task.label));                            this.debugger = Some(task.adapter.clone().into());                            this.initialize_args = task.initialize_args.clone();                            match &task.request {                                DebugRequest::Launch(launch_config) => {                                    this.mode = NewSessionMode::launch(                                        Some(launch_config.clone()),                                        window,                                        cx,                                    );                                }                                DebugRequest::Attach(_) => {                                    let Some(workspace) = this.workspace.upgrade() else {                                        return;                                    };                                    this.mode = NewSessionMode::attach(                                        this.debugger.clone(),                                        workspace,                                        window,                                        cx,                                    );                                    this.mode.focus_handle(cx).focus(window);                                    if let Some((debugger, attach)) =                                        this.debugger.as_ref().zip(this.mode.as_attach())                                    {                                        Self::update_attach_picker(&attach, &debugger, window, cx);                                    }                                }                            }                            cx.notify();                        })                        .ok();                    }                };                 let available_adapters: Vec<DebugTaskTemplate> = workspace                    .update(cx, |this, cx| {                        this.project()                            .read(cx)                            .task_store()                            .read(cx)                            .task_inventory()                            .iter()                            .flat_map(|task_inventory| task_inventory.read(cx).list_debug_tasks())                            .cloned()                            .filter_map(|task| task.try_into().ok())                            .collect()                    })                    .ok()                    .unwrap_or_default();                 for debug_definition in available_adapters {                    menu = menu.entry(                        debug_definition.definition.label.clone(),                        None,                        setter_for_name(debug_definition.definition),                    );                }                menu            }),        )    }} #[derive(Clone)]struct LaunchMode {    program: Entity<Editor>,    cwd: Entity<Editor>,} impl LaunchMode {    fn new(        past_launch_config: Option<LaunchRequest>,        window: &mut Window,        cx: &mut App,    ) -> Entity<Self> {        let (past_program, past_cwd) = past_launch_config            .map(|config| (Some(config.program), config.cwd))            .unwrap_or_else(|| (None, None));         let program = cx.new(|cx| Editor::single_line(window, cx));        program.update(cx, |this, cx| {            this.set_placeholder_text("Program path", cx);             if let Some(past_program) = past_program {                this.set_text(past_program, window, cx);            };        });        let cwd = cx.new(|cx| Editor::single_line(window, cx));        cwd.update(cx, |this, cx| {            this.set_placeholder_text("Working Directory", cx);            if let Some(past_cwd) = past_cwd {                this.set_text(past_cwd.to_string_lossy(), window, cx);            };        });        cx.new(|_| Self { program, cwd })    }     fn debug_task(&self, cx: &App) -> task::LaunchRequest {        let path = self.cwd.read(cx).text(cx);        task::LaunchRequest {            program: self.program.read(cx).text(cx),            cwd: path.is_empty().not().then(|| PathBuf::from(path)),            args: Default::default(),        }    }} #[derive(Clone)]struct AttachMode {    debug_definition: DebugTaskDefinition,    attach_picker: Entity<AttachModal>,} impl AttachMode {    fn new(        debugger: Option<SharedString>,        workspace: Entity<Workspace>,        window: &mut Window,        cx: &mut Context<NewSessionModal>,    ) -> Entity<Self> {        let debug_definition = DebugTaskDefinition {            label: "Attach New Session Setup".into(),            request: dap::DebugRequest::Attach(task::AttachRequest { process_id: None }),            tcp_connection: None,            adapter: debugger.clone().unwrap_or_default().into(),            initialize_args: None,            stop_on_entry: Some(false),        };        let attach_picker = cx.new(|cx| {            let modal = AttachModal::new(workspace, debug_definition.clone(), false, window, cx);            window.focus(&modal.focus_handle(cx));             modal        });        cx.new(|_| Self {            debug_definition,            attach_picker,        })    }    fn debug_task(&self) -> task::AttachRequest {        task::AttachRequest { process_id: None }    }} static SELECT_DEBUGGER_LABEL: SharedString = SharedString::new_static("Select Debugger");static SELECT_SCENARIO_LABEL: SharedString = SharedString::new_static("Select Profile"); #[derive(Clone)]enum NewSessionMode {    Launch(Entity<LaunchMode>),    Attach(Entity<AttachMode>),} impl NewSessionMode {    fn debug_task(&self, cx: &App) -> DebugRequest {        match self {            NewSessionMode::Launch(entity) => entity.read(cx).debug_task(cx).into(),            NewSessionMode::Attach(entity) => entity.read(cx).debug_task().into(),        }    }    fn as_attach(&self) -> Option<&Entity<AttachMode>> {        if let NewSessionMode::Attach(entity) = self {            Some(entity)        } else {            None        }    }} impl Focusable for NewSessionMode {    fn focus_handle(&self, cx: &App) -> FocusHandle {        match &self {            NewSessionMode::Launch(entity) => entity.read(cx).program.focus_handle(cx),            NewSessionMode::Attach(entity) => entity.read(cx).attach_picker.focus_handle(cx),        }    }} impl RenderOnce for LaunchMode {    fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {        v_flex()            .p_2()            .w_full()            .gap_3()            .track_focus(&self.program.focus_handle(cx))            .child(                div().child(                    Label::new("Program")                        .size(ui::LabelSize::Small)                        .color(Color::Muted),                ),            )            .child(render_editor(&self.program, window, cx))            .child(                div().child(                    Label::new("Working Directory")                        .size(ui::LabelSize::Small)                        .color(Color::Muted),                ),            )            .child(render_editor(&self.cwd, window, cx))    }} impl RenderOnce for AttachMode {    fn render(self, _: &mut Window, cx: &mut App) -> impl IntoElement {        v_flex()            .w_full()            .track_focus(&self.attach_picker.focus_handle(cx))            .child(self.attach_picker.clone())    }} impl RenderOnce for NewSessionMode {    fn render(self, window: &mut Window, cx: &mut App) -> impl ui::IntoElement {        match self {            NewSessionMode::Launch(entity) => entity.update(cx, |this, cx| {                this.clone().render(window, cx).into_any_element()            }),            NewSessionMode::Attach(entity) => entity.update(cx, |this, cx| {                this.clone().render(window, cx).into_any_element()            }),        }    }} impl NewSessionMode {    fn attach(        debugger: Option<SharedString>,        workspace: Entity<Workspace>,        window: &mut Window,        cx: &mut Context<NewSessionModal>,    ) -> Self {        Self::Attach(AttachMode::new(debugger, workspace, window, cx))    }    fn launch(        past_launch_config: Option<LaunchRequest>,        window: &mut Window,        cx: &mut Context<NewSessionModal>,    ) -> Self {        Self::Launch(LaunchMode::new(past_launch_config, window, cx))    }}fn render_editor(editor: &Entity<Editor>, window: &mut Window, cx: &App) -> impl IntoElement {    let settings = ThemeSettings::get_global(cx);    let theme = cx.theme();     let text_style = TextStyle {        color: cx.theme().colors().text,        font_family: settings.buffer_font.family.clone(),        font_features: settings.buffer_font.features.clone(),        font_size: settings.buffer_font_size(cx).into(),        font_weight: settings.buffer_font.weight,        line_height: relative(settings.buffer_line_height.value()),        background_color: Some(theme.colors().editor_background),        ..Default::default()    };     let element = EditorElement::new(        editor,        EditorStyle {            background: theme.colors().editor_background,            local_player: theme.players().local(),            text: text_style,            ..Default::default()        },    );     div()

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