new_session_modal.rs

   1use collections::FxHashMap;
   2use language::LanguageRegistry;
   3use std::{
   4    borrow::Cow,
   5    ops::Not,
   6    path::{Path, PathBuf},
   7    sync::Arc,
   8    time::Duration,
   9    usize,
  10};
  11
  12use dap::{
  13    DapRegistry, DebugRequest, TelemetrySpawnLocation, adapters::DebugAdapterName, send_telemetry,
  14};
  15use editor::{Editor, EditorElement, EditorStyle};
  16use fuzzy::{StringMatch, StringMatchCandidate};
  17use gpui::{
  18    Animation, AnimationExt as _, App, AppContext, DismissEvent, Entity, EventEmitter, FocusHandle,
  19    Focusable, Render, Subscription, TextStyle, Transformation, WeakEntity, percentage,
  20};
  21use picker::{Picker, PickerDelegate, highlighted_match_with_paths::HighlightedMatch};
  22use project::{ProjectPath, TaskContexts, TaskSourceKind, task_store::TaskStore};
  23use settings::Settings;
  24use task::{DebugScenario, LaunchRequest, ZedDebugConfig};
  25use theme::ThemeSettings;
  26use ui::{
  27    ActiveTheme, Button, ButtonCommon, ButtonSize, CheckboxWithLabel, Clickable, Color, Context,
  28    ContextMenu, Disableable, DropdownMenu, FluentBuilder, Icon, IconButton, IconName, IconSize,
  29    InteractiveElement, IntoElement, Label, LabelCommon as _, ListItem, ListItemSpacing,
  30    ParentElement, RenderOnce, SharedString, Styled, StyledExt, ToggleButton, ToggleState,
  31    Toggleable, Window, div, h_flex, relative, rems, v_flex,
  32};
  33use util::ResultExt;
  34use workspace::{ModalView, Workspace, pane};
  35
  36use crate::{attach_modal::AttachModal, debugger_panel::DebugPanel};
  37
  38enum SaveScenarioState {
  39    Saving,
  40    Saved(ProjectPath),
  41    Failed(SharedString),
  42}
  43
  44pub(super) struct NewSessionModal {
  45    workspace: WeakEntity<Workspace>,
  46    debug_panel: WeakEntity<DebugPanel>,
  47    mode: NewSessionMode,
  48    launch_picker: Entity<Picker<DebugScenarioDelegate>>,
  49    attach_mode: Entity<AttachMode>,
  50    custom_mode: Entity<CustomMode>,
  51    debugger: Option<DebugAdapterName>,
  52    save_scenario_state: Option<SaveScenarioState>,
  53    _subscriptions: [Subscription; 2],
  54}
  55
  56fn suggested_label(request: &DebugRequest, debugger: &str) -> SharedString {
  57    match request {
  58        DebugRequest::Launch(config) => {
  59            let last_path_component = Path::new(&config.program)
  60                .file_name()
  61                .map(|name| name.to_string_lossy())
  62                .unwrap_or_else(|| Cow::Borrowed(&config.program));
  63
  64            format!("{} ({debugger})", last_path_component).into()
  65        }
  66        DebugRequest::Attach(config) => format!(
  67            "pid: {} ({debugger})",
  68            config.process_id.unwrap_or(u32::MAX)
  69        )
  70        .into(),
  71    }
  72}
  73
  74impl NewSessionModal {
  75    pub(super) fn show(
  76        workspace: &mut Workspace,
  77        window: &mut Window,
  78        cx: &mut Context<Workspace>,
  79    ) {
  80        let Some(debug_panel) = workspace.panel::<DebugPanel>(cx) else {
  81            return;
  82        };
  83        let task_store = workspace.project().read(cx).task_store().clone();
  84        let languages = workspace.app_state().languages.clone();
  85
  86        cx.spawn_in(window, async move |workspace, cx| {
  87            workspace.update_in(cx, |workspace, window, cx| {
  88                let workspace_handle = workspace.weak_handle();
  89                workspace.toggle_modal(window, cx, |window, cx| {
  90                    let attach_mode = AttachMode::new(None, workspace_handle.clone(), window, cx);
  91
  92                    let launch_picker = cx.new(|cx| {
  93                        Picker::uniform_list(
  94                            DebugScenarioDelegate::new(debug_panel.downgrade(), task_store),
  95                            window,
  96                            cx,
  97                        )
  98                        .modal(false)
  99                    });
 100
 101                    let _subscriptions = [
 102                        cx.subscribe(&launch_picker, |_, _, _, cx| {
 103                            cx.emit(DismissEvent);
 104                        }),
 105                        cx.subscribe(
 106                            &attach_mode.read(cx).attach_picker.clone(),
 107                            |_, _, _, cx| {
 108                                cx.emit(DismissEvent);
 109                            },
 110                        ),
 111                    ];
 112
 113                    let custom_mode = CustomMode::new(None, window, cx);
 114
 115                    cx.spawn_in(window, {
 116                        let workspace_handle = workspace_handle.clone();
 117                        async move |this, cx| {
 118                            let task_contexts = workspace_handle
 119                                .update_in(cx, |workspace, window, cx| {
 120                                    tasks_ui::task_contexts(workspace, window, cx)
 121                                })?
 122                                .await;
 123
 124                            this.update_in(cx, |this, window, cx| {
 125                                if let Some(active_cwd) = task_contexts
 126                                    .active_context()
 127                                    .and_then(|context| context.cwd.clone())
 128                                {
 129                                    this.custom_mode.update(cx, |custom, cx| {
 130                                        custom.load(active_cwd, window, cx);
 131                                    });
 132
 133                                    this.debugger = None;
 134                                }
 135
 136                                this.launch_picker.update(cx, |picker, cx| {
 137                                    picker.delegate.task_contexts_loaded(
 138                                        task_contexts,
 139                                        languages,
 140                                        window,
 141                                        cx,
 142                                    );
 143                                    picker.refresh(window, cx);
 144                                    cx.notify();
 145                                });
 146                            })
 147                        }
 148                    })
 149                    .detach();
 150
 151                    Self {
 152                        launch_picker,
 153                        attach_mode,
 154                        custom_mode,
 155                        debugger: None,
 156                        mode: NewSessionMode::Launch,
 157                        debug_panel: debug_panel.downgrade(),
 158                        workspace: workspace_handle,
 159                        save_scenario_state: None,
 160                        _subscriptions,
 161                    }
 162                });
 163            })?;
 164
 165            anyhow::Ok(())
 166        })
 167        .detach();
 168    }
 169
 170    fn render_mode(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl ui::IntoElement {
 171        let dap_menu = self.adapter_drop_down_menu(window, cx);
 172        match self.mode {
 173            NewSessionMode::Attach => self.attach_mode.update(cx, |this, cx| {
 174                this.clone().render(window, cx).into_any_element()
 175            }),
 176            NewSessionMode::Custom => self.custom_mode.update(cx, |this, cx| {
 177                this.clone().render(dap_menu, window, cx).into_any_element()
 178            }),
 179            NewSessionMode::Launch => v_flex()
 180                .w(rems(34.))
 181                .child(self.launch_picker.clone())
 182                .into_any_element(),
 183        }
 184    }
 185
 186    fn mode_focus_handle(&self, cx: &App) -> FocusHandle {
 187        match self.mode {
 188            NewSessionMode::Attach => self.attach_mode.read(cx).attach_picker.focus_handle(cx),
 189            NewSessionMode::Custom => self.custom_mode.read(cx).program.focus_handle(cx),
 190            NewSessionMode::Launch => self.launch_picker.focus_handle(cx),
 191        }
 192    }
 193
 194    fn debug_scenario(&self, debugger: &str, cx: &App) -> Option<DebugScenario> {
 195        let request = match self.mode {
 196            NewSessionMode::Custom => Some(DebugRequest::Launch(
 197                self.custom_mode.read(cx).debug_request(cx),
 198            )),
 199            NewSessionMode::Attach => Some(DebugRequest::Attach(
 200                self.attach_mode.read(cx).debug_request(),
 201            )),
 202            _ => None,
 203        }?;
 204        let label = suggested_label(&request, debugger);
 205
 206        let stop_on_entry = if let NewSessionMode::Custom = &self.mode {
 207            Some(self.custom_mode.read(cx).stop_on_entry.selected())
 208        } else {
 209            None
 210        };
 211
 212        let session_scenario = ZedDebugConfig {
 213            adapter: debugger.to_owned().into(),
 214            label,
 215            request: request,
 216            stop_on_entry,
 217        };
 218
 219        cx.global::<DapRegistry>()
 220            .adapter(&session_scenario.adapter)
 221            .and_then(|adapter| adapter.config_from_zed_format(session_scenario).ok())
 222    }
 223
 224    fn start_new_session(&self, window: &mut Window, cx: &mut Context<Self>) {
 225        let Some(debugger) = self.debugger.as_ref() else {
 226            return;
 227        };
 228
 229        if let NewSessionMode::Launch = &self.mode {
 230            self.launch_picker.update(cx, |picker, cx| {
 231                picker.delegate.confirm(false, window, cx);
 232            });
 233            return;
 234        }
 235
 236        let Some(config) = self.debug_scenario(debugger, cx) else {
 237            log::error!("debug config not found in mode: {}", self.mode);
 238            return;
 239        };
 240
 241        let debug_panel = self.debug_panel.clone();
 242        let Some(task_contexts) = self.task_contexts(cx) else {
 243            return;
 244        };
 245        send_telemetry(&config, TelemetrySpawnLocation::Custom, cx);
 246        let task_context = task_contexts.active_context().cloned().unwrap_or_default();
 247        let worktree_id = task_contexts.worktree();
 248        cx.spawn_in(window, async move |this, cx| {
 249            debug_panel.update_in(cx, |debug_panel, window, cx| {
 250                debug_panel.start_session(config, task_context, None, worktree_id, window, cx)
 251            })?;
 252            this.update(cx, |_, cx| {
 253                cx.emit(DismissEvent);
 254            })
 255            .ok();
 256            anyhow::Ok(())
 257        })
 258        .detach_and_log_err(cx);
 259    }
 260
 261    fn update_attach_picker(
 262        attach: &Entity<AttachMode>,
 263        adapter: &DebugAdapterName,
 264        window: &mut Window,
 265        cx: &mut App,
 266    ) {
 267        attach.update(cx, |this, cx| {
 268            if adapter.0 != this.definition.adapter {
 269                this.definition.adapter = adapter.0.clone();
 270
 271                this.attach_picker.update(cx, |this, cx| {
 272                    this.picker.update(cx, |this, cx| {
 273                        this.delegate.definition.adapter = adapter.0.clone();
 274                        this.focus(window, cx);
 275                    })
 276                });
 277            }
 278
 279            cx.notify();
 280        })
 281    }
 282
 283    fn task_contexts(&self, cx: &App) -> Option<Arc<TaskContexts>> {
 284        self.launch_picker.read(cx).delegate.task_contexts.clone()
 285    }
 286
 287    fn adapter_drop_down_menu(
 288        &mut self,
 289        window: &mut Window,
 290        cx: &mut Context<Self>,
 291    ) -> ui::DropdownMenu {
 292        let workspace = self.workspace.clone();
 293        let weak = cx.weak_entity();
 294        let active_buffer = self.task_contexts(cx).and_then(|tc| {
 295            tc.active_item_context
 296                .as_ref()
 297                .and_then(|aic| aic.1.as_ref().map(|l| l.buffer.clone()))
 298        });
 299
 300        let active_buffer_language = active_buffer
 301            .and_then(|buffer| buffer.read(cx).language())
 302            .cloned();
 303
 304        let mut available_adapters = workspace
 305            .update(cx, |_, cx| DapRegistry::global(cx).enumerate_adapters())
 306            .unwrap_or_default();
 307        if let Some(language) = active_buffer_language {
 308            available_adapters.sort_by_key(|adapter| {
 309                language
 310                    .config()
 311                    .debuggers
 312                    .get_index_of(adapter.0.as_ref())
 313                    .unwrap_or(usize::MAX)
 314            });
 315        }
 316
 317        if self.debugger.is_none() {
 318            self.debugger = available_adapters.first().cloned();
 319        }
 320
 321        let label = self
 322            .debugger
 323            .as_ref()
 324            .map(|d| d.0.clone())
 325            .unwrap_or_else(|| SELECT_DEBUGGER_LABEL.clone());
 326
 327        DropdownMenu::new(
 328            "dap-adapter-picker",
 329            label,
 330            ContextMenu::build(window, cx, move |mut menu, _, _| {
 331                let setter_for_name = |name: DebugAdapterName| {
 332                    let weak = weak.clone();
 333                    move |window: &mut Window, cx: &mut App| {
 334                        weak.update(cx, |this, cx| {
 335                            this.debugger = Some(name.clone());
 336                            cx.notify();
 337                            if let NewSessionMode::Attach = &this.mode {
 338                                Self::update_attach_picker(&this.attach_mode, &name, window, cx);
 339                            }
 340                        })
 341                        .ok();
 342                    }
 343                };
 344
 345                for adapter in available_adapters.into_iter() {
 346                    menu = menu.entry(adapter.0.clone(), None, setter_for_name(adapter.clone()));
 347                }
 348
 349                menu
 350            }),
 351        )
 352    }
 353}
 354
 355static SELECT_DEBUGGER_LABEL: SharedString = SharedString::new_static("Select Debugger");
 356
 357#[derive(Clone)]
 358enum NewSessionMode {
 359    Custom,
 360    Attach,
 361    Launch,
 362}
 363
 364impl std::fmt::Display for NewSessionMode {
 365    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 366        let mode = match self {
 367            NewSessionMode::Launch => "Launch".to_owned(),
 368            NewSessionMode::Attach => "Attach".to_owned(),
 369            NewSessionMode::Custom => "Custom".to_owned(),
 370        };
 371
 372        write!(f, "{}", mode)
 373    }
 374}
 375
 376impl Focusable for NewSessionMode {
 377    fn focus_handle(&self, cx: &App) -> FocusHandle {
 378        cx.focus_handle()
 379    }
 380}
 381
 382fn render_editor(editor: &Entity<Editor>, window: &mut Window, cx: &App) -> impl IntoElement {
 383    let settings = ThemeSettings::get_global(cx);
 384    let theme = cx.theme();
 385
 386    let text_style = TextStyle {
 387        color: cx.theme().colors().text,
 388        font_family: settings.buffer_font.family.clone(),
 389        font_features: settings.buffer_font.features.clone(),
 390        font_size: settings.buffer_font_size(cx).into(),
 391        font_weight: settings.buffer_font.weight,
 392        line_height: relative(settings.buffer_line_height.value()),
 393        background_color: Some(theme.colors().editor_background),
 394        ..Default::default()
 395    };
 396
 397    let element = EditorElement::new(
 398        editor,
 399        EditorStyle {
 400            background: theme.colors().editor_background,
 401            local_player: theme.players().local(),
 402            text: text_style,
 403            ..Default::default()
 404        },
 405    );
 406
 407    div()
 408        .rounded_md()
 409        .p_1()
 410        .border_1()
 411        .border_color(theme.colors().border_variant)
 412        .when(
 413            editor.focus_handle(cx).contains_focused(window, cx),
 414            |this| this.border_color(theme.colors().border_focused),
 415        )
 416        .child(element)
 417        .bg(theme.colors().editor_background)
 418}
 419
 420impl Render for NewSessionModal {
 421    fn render(
 422        &mut self,
 423        window: &mut ui::Window,
 424        cx: &mut ui::Context<Self>,
 425    ) -> impl ui::IntoElement {
 426        let this = cx.weak_entity().clone();
 427
 428        v_flex()
 429            .size_full()
 430            .w(rems(34.))
 431            .key_context("Pane")
 432            .elevation_3(cx)
 433            .bg(cx.theme().colors().elevated_surface_background)
 434            .on_action(cx.listener(|_, _: &menu::Cancel, _, cx| {
 435                cx.emit(DismissEvent);
 436            }))
 437            .on_action(
 438                cx.listener(|this, _: &pane::ActivatePreviousItem, window, cx| {
 439                    this.mode = match this.mode {
 440                        NewSessionMode::Attach => NewSessionMode::Launch,
 441                        NewSessionMode::Launch => NewSessionMode::Attach,
 442                        _ => {
 443                            return;
 444                        }
 445                    };
 446
 447                    this.mode_focus_handle(cx).focus(window);
 448                }),
 449            )
 450            .on_action(cx.listener(|this, _: &pane::ActivateNextItem, window, cx| {
 451                this.mode = match this.mode {
 452                    NewSessionMode::Attach => NewSessionMode::Launch,
 453                    NewSessionMode::Launch => NewSessionMode::Attach,
 454                    _ => {
 455                        return;
 456                    }
 457                };
 458
 459                this.mode_focus_handle(cx).focus(window);
 460            }))
 461            .child(
 462                h_flex()
 463                    .w_full()
 464                    .justify_around()
 465                    .p_2()
 466                    .child(
 467                        h_flex()
 468                            .justify_start()
 469                            .w_full()
 470                            .child(
 471                                ToggleButton::new("debugger-session-ui-picker-button", "Launch")
 472                                    .size(ButtonSize::Default)
 473                                    .style(ui::ButtonStyle::Subtle)
 474                                    .toggle_state(matches!(self.mode, NewSessionMode::Launch))
 475                                    .on_click(cx.listener(|this, _, window, cx| {
 476                                        this.mode = NewSessionMode::Launch;
 477                                        this.mode_focus_handle(cx).focus(window);
 478                                        cx.notify();
 479                                    }))
 480                                    .first(),
 481                            )
 482                            .child(
 483                                ToggleButton::new("debugger-session-ui-attach-button", "Attach")
 484                                    .size(ButtonSize::Default)
 485                                    .toggle_state(matches!(self.mode, NewSessionMode::Attach))
 486                                    .style(ui::ButtonStyle::Subtle)
 487                                    .on_click(cx.listener(|this, _, window, cx| {
 488                                        this.mode = NewSessionMode::Attach;
 489
 490                                        if let Some(debugger) = this.debugger.as_ref() {
 491                                            Self::update_attach_picker(
 492                                                &this.attach_mode,
 493                                                &debugger,
 494                                                window,
 495                                                cx,
 496                                            );
 497                                        }
 498                                        this.mode_focus_handle(cx).focus(window);
 499                                        cx.notify();
 500                                    }))
 501                                    .last(),
 502                            ),
 503                    )
 504                    .justify_between()
 505                    .border_color(cx.theme().colors().border_variant)
 506                    .border_b_1(),
 507            )
 508            .child(v_flex().child(self.render_mode(window, cx)))
 509            .child(
 510                h_flex()
 511                    .justify_between()
 512                    .gap_2()
 513                    .p_2()
 514                    .border_color(cx.theme().colors().border_variant)
 515                    .border_t_1()
 516                    .w_full()
 517                    .child(match self.mode {
 518                        NewSessionMode::Attach => {
 519                            div().child(self.adapter_drop_down_menu(window, cx))
 520                        }
 521                        NewSessionMode::Launch => div().child(
 522                            Button::new("new-session-modal-custom", "Custom").on_click({
 523                                let this = cx.weak_entity();
 524                                move |_, window, cx| {
 525                                    this.update(cx, |this, cx| {
 526                                        this.mode = NewSessionMode::Custom;
 527                                        this.mode_focus_handle(cx).focus(window);
 528                                    })
 529                                    .ok();
 530                                }
 531                            }),
 532                        ),
 533                        NewSessionMode::Custom => h_flex()
 534                            .child(
 535                                Button::new("new-session-modal-back", "Save to .zed/debug.json...")
 536                                    .on_click(cx.listener(|this, _, window, cx| {
 537                                        let Some(save_scenario) = this
 538                                            .debugger
 539                                            .as_ref()
 540                                            .and_then(|debugger| this.debug_scenario(&debugger, cx))
 541                                            .zip(
 542                                                this.task_contexts(cx)
 543                                                    .and_then(|tcx| tcx.worktree()),
 544                                            )
 545                                            .and_then(|(scenario, worktree_id)| {
 546                                                this.debug_panel
 547                                                    .update(cx, |panel, cx| {
 548                                                        panel.save_scenario(
 549                                                            &scenario,
 550                                                            worktree_id,
 551                                                            window,
 552                                                            cx,
 553                                                        )
 554                                                    })
 555                                                    .ok()
 556                                            })
 557                                        else {
 558                                            return;
 559                                        };
 560
 561                                        this.save_scenario_state = Some(SaveScenarioState::Saving);
 562
 563                                        cx.spawn(async move |this, cx| {
 564                                            let res = save_scenario.await;
 565
 566                                            this.update(cx, |this, _| match res {
 567                                                Ok(saved_file) => {
 568                                                    this.save_scenario_state =
 569                                                        Some(SaveScenarioState::Saved(saved_file))
 570                                                }
 571                                                Err(error) => {
 572                                                    this.save_scenario_state =
 573                                                        Some(SaveScenarioState::Failed(
 574                                                            error.to_string().into(),
 575                                                        ))
 576                                                }
 577                                            })
 578                                            .ok();
 579
 580                                            cx.background_executor()
 581                                                .timer(Duration::from_secs(2))
 582                                                .await;
 583                                            this.update(cx, |this, _| {
 584                                                this.save_scenario_state.take()
 585                                            })
 586                                            .ok();
 587                                        })
 588                                        .detach();
 589                                    }))
 590                                    .disabled(
 591                                        self.debugger.is_none()
 592                                            || self
 593                                                .custom_mode
 594                                                .read(cx)
 595                                                .program
 596                                                .read(cx)
 597                                                .is_empty(cx)
 598                                            || self.save_scenario_state.is_some(),
 599                                    ),
 600                            )
 601                            .when_some(self.save_scenario_state.as_ref(), {
 602                                let this_entity = this.clone();
 603
 604                                move |this, save_state| match save_state {
 605                                    SaveScenarioState::Saved(saved_path) => this.child(
 606                                        IconButton::new(
 607                                            "new-session-modal-go-to-file",
 608                                            IconName::ArrowUpRight,
 609                                        )
 610                                        .icon_size(IconSize::Small)
 611                                        .icon_color(Color::Muted)
 612                                        .on_click({
 613                                            let this_entity = this_entity.clone();
 614                                            let saved_path = saved_path.clone();
 615                                            move |_, window, cx| {
 616                                                window
 617                                                    .spawn(cx, {
 618                                                        let this_entity = this_entity.clone();
 619                                                        let saved_path = saved_path.clone();
 620
 621                                                        async move |cx| {
 622                                                            this_entity
 623                                                                .update_in(
 624                                                                    cx,
 625                                                                    |this, window, cx| {
 626                                                                        this.workspace.update(
 627                                                                            cx,
 628                                                                            |workspace, cx| {
 629                                                                                workspace.open_path(
 630                                                                                    saved_path
 631                                                                                        .clone(),
 632                                                                                    None,
 633                                                                                    true,
 634                                                                                    window,
 635                                                                                    cx,
 636                                                                                )
 637                                                                            },
 638                                                                        )
 639                                                                    },
 640                                                                )??
 641                                                                .await?;
 642
 643                                                            this_entity
 644                                                                .update(cx, |_, cx| {
 645                                                                    cx.emit(DismissEvent)
 646                                                                })
 647                                                                .ok();
 648
 649                                                            anyhow::Ok(())
 650                                                        }
 651                                                    })
 652                                                    .detach();
 653                                            }
 654                                        }),
 655                                    ),
 656                                    SaveScenarioState::Saving => this.child(
 657                                        Icon::new(IconName::Spinner)
 658                                            .size(IconSize::Small)
 659                                            .color(Color::Muted)
 660                                            .with_animation(
 661                                                "Spinner",
 662                                                Animation::new(Duration::from_secs(3)).repeat(),
 663                                                |icon, delta| {
 664                                                    icon.transform(Transformation::rotate(
 665                                                        percentage(delta),
 666                                                    ))
 667                                                },
 668                                            ),
 669                                    ),
 670                                    SaveScenarioState::Failed(error_msg) => this.child(
 671                                        IconButton::new("Failed Scenario Saved", IconName::X)
 672                                            .icon_size(IconSize::Small)
 673                                            .icon_color(Color::Error)
 674                                            .tooltip(ui::Tooltip::text(error_msg.clone())),
 675                                    ),
 676                                }
 677                            }),
 678                    })
 679                    .child(
 680                        Button::new("debugger-spawn", "Start")
 681                            .on_click(cx.listener(|this, _, window, cx| match &this.mode {
 682                                NewSessionMode::Launch => {
 683                                    this.launch_picker.update(cx, |picker, cx| {
 684                                        picker.delegate.confirm(true, window, cx)
 685                                    })
 686                                }
 687                                _ => this.start_new_session(window, cx),
 688                            }))
 689                            .disabled(match self.mode {
 690                                NewSessionMode::Launch => {
 691                                    !self.launch_picker.read(cx).delegate.matches.is_empty()
 692                                }
 693                                NewSessionMode::Attach => {
 694                                    self.debugger.is_none()
 695                                        || self
 696                                            .attach_mode
 697                                            .read(cx)
 698                                            .attach_picker
 699                                            .read(cx)
 700                                            .picker
 701                                            .read(cx)
 702                                            .delegate
 703                                            .match_count()
 704                                            == 0
 705                                }
 706                                NewSessionMode::Custom => {
 707                                    self.debugger.is_none()
 708                                        || self.custom_mode.read(cx).program.read(cx).is_empty(cx)
 709                                }
 710                            }),
 711                    ),
 712            )
 713    }
 714}
 715
 716impl EventEmitter<DismissEvent> for NewSessionModal {}
 717impl Focusable for NewSessionModal {
 718    fn focus_handle(&self, cx: &ui::App) -> gpui::FocusHandle {
 719        self.mode_focus_handle(cx)
 720    }
 721}
 722
 723impl ModalView for NewSessionModal {}
 724
 725impl RenderOnce for AttachMode {
 726    fn render(self, _: &mut Window, cx: &mut App) -> impl IntoElement {
 727        v_flex()
 728            .w_full()
 729            .track_focus(&self.attach_picker.focus_handle(cx))
 730            .child(self.attach_picker.clone())
 731    }
 732}
 733
 734#[derive(Clone)]
 735pub(super) struct CustomMode {
 736    program: Entity<Editor>,
 737    cwd: Entity<Editor>,
 738    stop_on_entry: ToggleState,
 739}
 740
 741impl CustomMode {
 742    pub(super) fn new(
 743        past_launch_config: Option<LaunchRequest>,
 744        window: &mut Window,
 745        cx: &mut App,
 746    ) -> Entity<Self> {
 747        let (past_program, past_cwd) = past_launch_config
 748            .map(|config| (Some(config.program), config.cwd))
 749            .unwrap_or_else(|| (None, None));
 750
 751        let program = cx.new(|cx| Editor::single_line(window, cx));
 752        program.update(cx, |this, cx| {
 753            this.set_placeholder_text(
 754                "ALPHA=\"Windows\" BETA=\"Wen\" your_program --arg1 --arg2=arg3",
 755                cx,
 756            );
 757
 758            if let Some(past_program) = past_program {
 759                this.set_text(past_program, window, cx);
 760            };
 761        });
 762        let cwd = cx.new(|cx| Editor::single_line(window, cx));
 763        cwd.update(cx, |this, cx| {
 764            this.set_placeholder_text("Working Directory", cx);
 765            if let Some(past_cwd) = past_cwd {
 766                this.set_text(past_cwd.to_string_lossy(), window, cx);
 767            };
 768        });
 769        cx.new(|_| Self {
 770            program,
 771            cwd,
 772            stop_on_entry: ToggleState::Unselected,
 773        })
 774    }
 775
 776    fn load(&mut self, cwd: PathBuf, window: &mut Window, cx: &mut App) {
 777        self.cwd.update(cx, |editor, cx| {
 778            if editor.is_empty(cx) {
 779                editor.set_text(cwd.to_string_lossy(), window, cx);
 780            }
 781        });
 782    }
 783
 784    pub(super) fn debug_request(&self, cx: &App) -> task::LaunchRequest {
 785        let path = self.cwd.read(cx).text(cx);
 786        if cfg!(windows) {
 787            return task::LaunchRequest {
 788                program: self.program.read(cx).text(cx),
 789                cwd: path.is_empty().not().then(|| PathBuf::from(path)),
 790                args: Default::default(),
 791                env: Default::default(),
 792            };
 793        }
 794        let command = self.program.read(cx).text(cx);
 795        let mut args = shlex::split(&command).into_iter().flatten().peekable();
 796        let mut env = FxHashMap::default();
 797        while args.peek().is_some_and(|arg| arg.contains('=')) {
 798            let arg = args.next().unwrap();
 799            let (lhs, rhs) = arg.split_once('=').unwrap();
 800            env.insert(lhs.to_string(), rhs.to_string());
 801        }
 802
 803        let program = if let Some(program) = args.next() {
 804            program
 805        } else {
 806            env = FxHashMap::default();
 807            command
 808        };
 809
 810        let args = args.collect::<Vec<_>>();
 811
 812        task::LaunchRequest {
 813            program,
 814            cwd: path.is_empty().not().then(|| PathBuf::from(path)),
 815            args,
 816            env,
 817        }
 818    }
 819
 820    fn render(
 821        &mut self,
 822        adapter_menu: DropdownMenu,
 823        window: &mut Window,
 824        cx: &mut ui::Context<Self>,
 825    ) -> impl IntoElement {
 826        v_flex()
 827            .p_2()
 828            .w_full()
 829            .gap_3()
 830            .track_focus(&self.program.focus_handle(cx))
 831            .child(
 832                h_flex()
 833                    .child(
 834                        Label::new("Debugger")
 835                            .size(ui::LabelSize::Small)
 836                            .color(Color::Muted),
 837                    )
 838                    .gap(ui::DynamicSpacing::Base08.rems(cx))
 839                    .child(adapter_menu),
 840            )
 841            .child(render_editor(&self.program, window, cx))
 842            .child(render_editor(&self.cwd, window, cx))
 843            .child(
 844                CheckboxWithLabel::new(
 845                    "debugger-stop-on-entry",
 846                    Label::new("Stop on Entry")
 847                        .size(ui::LabelSize::Small)
 848                        .color(Color::Muted),
 849                    self.stop_on_entry,
 850                    {
 851                        let this = cx.weak_entity();
 852                        move |state, _, cx| {
 853                            this.update(cx, |this, _| {
 854                                this.stop_on_entry = *state;
 855                            })
 856                            .ok();
 857                        }
 858                    },
 859                )
 860                .checkbox_position(ui::IconPosition::End),
 861            )
 862    }
 863}
 864
 865#[derive(Clone)]
 866pub(super) struct AttachMode {
 867    pub(super) definition: ZedDebugConfig,
 868    pub(super) attach_picker: Entity<AttachModal>,
 869}
 870
 871impl AttachMode {
 872    pub(super) fn new(
 873        debugger: Option<DebugAdapterName>,
 874        workspace: WeakEntity<Workspace>,
 875        window: &mut Window,
 876        cx: &mut Context<NewSessionModal>,
 877    ) -> Entity<Self> {
 878        let definition = ZedDebugConfig {
 879            adapter: debugger.unwrap_or(DebugAdapterName("".into())).0,
 880            label: "Attach New Session Setup".into(),
 881            request: dap::DebugRequest::Attach(task::AttachRequest { process_id: None }),
 882            stop_on_entry: Some(false),
 883        };
 884        let attach_picker = cx.new(|cx| {
 885            let modal = AttachModal::new(definition.clone(), workspace, false, window, cx);
 886            window.focus(&modal.focus_handle(cx));
 887
 888            modal
 889        });
 890
 891        cx.new(|_| Self {
 892            definition,
 893            attach_picker,
 894        })
 895    }
 896    pub(super) fn debug_request(&self) -> task::AttachRequest {
 897        task::AttachRequest { process_id: None }
 898    }
 899}
 900
 901pub(super) struct DebugScenarioDelegate {
 902    task_store: Entity<TaskStore>,
 903    candidates: Vec<(Option<TaskSourceKind>, DebugScenario)>,
 904    selected_index: usize,
 905    matches: Vec<StringMatch>,
 906    prompt: String,
 907    debug_panel: WeakEntity<DebugPanel>,
 908    task_contexts: Option<Arc<TaskContexts>>,
 909    divider_index: Option<usize>,
 910    last_used_candidate_index: Option<usize>,
 911}
 912
 913impl DebugScenarioDelegate {
 914    pub(super) fn new(debug_panel: WeakEntity<DebugPanel>, task_store: Entity<TaskStore>) -> Self {
 915        Self {
 916            task_store,
 917            candidates: Vec::default(),
 918            selected_index: 0,
 919            matches: Vec::new(),
 920            prompt: String::new(),
 921            debug_panel,
 922            task_contexts: None,
 923            divider_index: None,
 924            last_used_candidate_index: None,
 925        }
 926    }
 927
 928    fn get_scenario_kind(
 929        languages: &Arc<LanguageRegistry>,
 930        dap_registry: &DapRegistry,
 931        scenario: DebugScenario,
 932    ) -> (Option<TaskSourceKind>, DebugScenario) {
 933        let language_names = languages.language_names();
 934        let language = dap_registry
 935            .adapter_language(&scenario.adapter)
 936            .map(|language| TaskSourceKind::Language {
 937                name: language.into(),
 938            });
 939
 940        let language = language.or_else(|| {
 941            scenario.label.split_whitespace().find_map(|word| {
 942                language_names
 943                    .iter()
 944                    .find(|name| name.eq_ignore_ascii_case(word))
 945                    .map(|name| TaskSourceKind::Language {
 946                        name: name.to_owned().into(),
 947                    })
 948            })
 949        });
 950
 951        (language, scenario)
 952    }
 953
 954    pub fn task_contexts_loaded(
 955        &mut self,
 956        task_contexts: TaskContexts,
 957        languages: Arc<LanguageRegistry>,
 958        _window: &mut Window,
 959        cx: &mut Context<Picker<Self>>,
 960    ) {
 961        self.task_contexts = Some(Arc::new(task_contexts));
 962
 963        let (recent, scenarios) = self
 964            .task_store
 965            .update(cx, |task_store, cx| {
 966                task_store.task_inventory().map(|inventory| {
 967                    inventory.update(cx, |inventory, cx| {
 968                        inventory.list_debug_scenarios(self.task_contexts.as_ref().unwrap(), cx)
 969                    })
 970                })
 971            })
 972            .unwrap_or_default();
 973
 974        if !recent.is_empty() {
 975            self.last_used_candidate_index = Some(recent.len() - 1);
 976        }
 977
 978        let dap_registry = cx.global::<DapRegistry>();
 979
 980        self.candidates = recent
 981            .into_iter()
 982            .map(|scenario| Self::get_scenario_kind(&languages, &dap_registry, scenario))
 983            .chain(scenarios.into_iter().map(|(kind, scenario)| {
 984                let (language, scenario) =
 985                    Self::get_scenario_kind(&languages, &dap_registry, scenario);
 986                (language.or(Some(kind)), scenario)
 987            }))
 988            .collect();
 989    }
 990}
 991
 992impl PickerDelegate for DebugScenarioDelegate {
 993    type ListItem = ui::ListItem;
 994
 995    fn match_count(&self) -> usize {
 996        self.matches.len()
 997    }
 998
 999    fn selected_index(&self) -> usize {
1000        self.selected_index
1001    }
1002
1003    fn set_selected_index(
1004        &mut self,
1005        ix: usize,
1006        _window: &mut Window,
1007        _cx: &mut Context<picker::Picker<Self>>,
1008    ) {
1009        self.selected_index = ix;
1010    }
1011
1012    fn placeholder_text(&self, _window: &mut Window, _cx: &mut App) -> std::sync::Arc<str> {
1013        "".into()
1014    }
1015
1016    fn update_matches(
1017        &mut self,
1018        query: String,
1019        window: &mut Window,
1020        cx: &mut Context<picker::Picker<Self>>,
1021    ) -> gpui::Task<()> {
1022        let candidates = self.candidates.clone();
1023
1024        cx.spawn_in(window, async move |picker, cx| {
1025            let candidates: Vec<_> = candidates
1026                .into_iter()
1027                .enumerate()
1028                .map(|(index, (_, candidate))| {
1029                    StringMatchCandidate::new(index, candidate.label.as_ref())
1030                })
1031                .collect();
1032
1033            let matches = fuzzy::match_strings(
1034                &candidates,
1035                &query,
1036                true,
1037                1000,
1038                &Default::default(),
1039                cx.background_executor().clone(),
1040            )
1041            .await;
1042
1043            picker
1044                .update(cx, |picker, _| {
1045                    let delegate = &mut picker.delegate;
1046
1047                    delegate.matches = matches;
1048                    delegate.prompt = query;
1049
1050                    delegate.divider_index = delegate.last_used_candidate_index.and_then(|index| {
1051                        let index = delegate
1052                            .matches
1053                            .partition_point(|matching_task| matching_task.candidate_id <= index);
1054                        Some(index).and_then(|index| (index != 0).then(|| index - 1))
1055                    });
1056
1057                    if delegate.matches.is_empty() {
1058                        delegate.selected_index = 0;
1059                    } else {
1060                        delegate.selected_index =
1061                            delegate.selected_index.min(delegate.matches.len() - 1);
1062                    }
1063                })
1064                .log_err();
1065        })
1066    }
1067
1068    fn separators_after_indices(&self) -> Vec<usize> {
1069        if let Some(i) = self.divider_index {
1070            vec![i]
1071        } else {
1072            Vec::new()
1073        }
1074    }
1075
1076    fn confirm(&mut self, _: bool, window: &mut Window, cx: &mut Context<picker::Picker<Self>>) {
1077        let debug_scenario = self
1078            .matches
1079            .get(self.selected_index())
1080            .and_then(|match_candidate| self.candidates.get(match_candidate.candidate_id).cloned());
1081
1082        let Some((_, debug_scenario)) = debug_scenario else {
1083            return;
1084        };
1085
1086        let (task_context, worktree_id) = self
1087            .task_contexts
1088            .as_ref()
1089            .and_then(|task_contexts| {
1090                Some((
1091                    task_contexts.active_context().cloned()?,
1092                    task_contexts.worktree(),
1093                ))
1094            })
1095            .unwrap_or_default();
1096
1097        send_telemetry(&debug_scenario, TelemetrySpawnLocation::ScenarioList, cx);
1098        self.debug_panel
1099            .update(cx, |panel, cx| {
1100                panel.start_session(debug_scenario, task_context, None, worktree_id, window, cx);
1101            })
1102            .ok();
1103
1104        cx.emit(DismissEvent);
1105    }
1106
1107    fn dismissed(&mut self, _: &mut Window, cx: &mut Context<picker::Picker<Self>>) {
1108        cx.emit(DismissEvent);
1109    }
1110
1111    fn render_match(
1112        &self,
1113        ix: usize,
1114        selected: bool,
1115        window: &mut Window,
1116        cx: &mut Context<picker::Picker<Self>>,
1117    ) -> Option<Self::ListItem> {
1118        let hit = &self.matches[ix];
1119
1120        let highlighted_location = HighlightedMatch {
1121            text: hit.string.clone(),
1122            highlight_positions: hit.positions.clone(),
1123            char_count: hit.string.chars().count(),
1124            color: Color::Default,
1125        };
1126        let task_kind = &self.candidates[hit.candidate_id].0;
1127
1128        let icon = match task_kind {
1129            Some(TaskSourceKind::Lsp(..)) => Some(Icon::new(IconName::BoltFilled)),
1130            Some(TaskSourceKind::UserInput) => Some(Icon::new(IconName::Terminal)),
1131            Some(TaskSourceKind::AbsPath { .. }) => Some(Icon::new(IconName::Settings)),
1132            Some(TaskSourceKind::Worktree { .. }) => Some(Icon::new(IconName::FileTree)),
1133            Some(TaskSourceKind::Language { name }) => file_icons::FileIcons::get(cx)
1134                .get_icon_for_type(&name.to_lowercase(), cx)
1135                .map(Icon::from_path),
1136            None => Some(Icon::new(IconName::HistoryRerun)),
1137        }
1138        .map(|icon| icon.color(Color::Muted).size(ui::IconSize::Small));
1139
1140        Some(
1141            ListItem::new(SharedString::from(format!("debug-scenario-selection-{ix}")))
1142                .inset(true)
1143                .start_slot::<Icon>(icon)
1144                .spacing(ListItemSpacing::Sparse)
1145                .toggle_state(selected)
1146                .child(highlighted_location.render(window, cx)),
1147        )
1148    }
1149}
1150
1151pub(crate) fn resolve_path(path: &mut String) {
1152    if path.starts_with('~') {
1153        let home = paths::home_dir().to_string_lossy().to_string();
1154        let trimmed_path = path.trim().to_owned();
1155        *path = trimmed_path.replacen('~', &home, 1);
1156    } else if let Some(strip_path) = path.strip_prefix(&format!(".{}", std::path::MAIN_SEPARATOR)) {
1157        *path = format!(
1158            "$ZED_WORKTREE_ROOT{}{}",
1159            std::path::MAIN_SEPARATOR,
1160            &strip_path
1161        );
1162    };
1163}
1164
1165#[cfg(test)]
1166mod tests {
1167    use paths::home_dir;
1168
1169    #[test]
1170    fn test_normalize_paths() {
1171        let sep = std::path::MAIN_SEPARATOR;
1172        let home = home_dir().to_string_lossy().to_string();
1173        let resolve_path = |path: &str| -> String {
1174            let mut path = path.to_string();
1175            super::resolve_path(&mut path);
1176            path
1177        };
1178
1179        assert_eq!(resolve_path("bin"), format!("bin"));
1180        assert_eq!(resolve_path(&format!("{sep}foo")), format!("{sep}foo"));
1181        assert_eq!(resolve_path(""), format!(""));
1182        assert_eq!(
1183            resolve_path(&format!("~{sep}blah")),
1184            format!("{home}{sep}blah")
1185        );
1186        assert_eq!(resolve_path("~"), home);
1187    }
1188}