settings.rs

  1mod keymap_file;
  2
  3use anyhow::Result;
  4use gpui::{
  5    font_cache::{FamilyId, FontCache},
  6    AssetSource,
  7};
  8use schemars::{
  9    gen::{SchemaGenerator, SchemaSettings},
 10    schema::{InstanceType, ObjectValidation, Schema, SchemaObject, SingleOrVec},
 11    JsonSchema,
 12};
 13use serde::{de::DeserializeOwned, Deserialize};
 14use serde_json::Value;
 15use std::{collections::HashMap, num::NonZeroU32, str, sync::Arc};
 16use theme::{Theme, ThemeRegistry};
 17use util::ResultExt as _;
 18
 19pub use keymap_file::{keymap_file_json_schema, KeymapFileContent};
 20
 21#[derive(Clone)]
 22pub struct Settings {
 23    pub experiments: FeatureFlags,
 24    pub projects_online_by_default: bool,
 25    pub buffer_font_family: FamilyId,
 26    pub default_buffer_font_size: f32,
 27    pub buffer_font_size: f32,
 28    pub hover_popover_enabled: bool,
 29    pub show_completions_on_input: bool,
 30    pub vim_mode: bool,
 31    pub autosave: Autosave,
 32    pub default_dock_anchor: DockAnchor,
 33    pub editor_defaults: EditorSettings,
 34    pub editor_overrides: EditorSettings,
 35    pub git: GitSettings,
 36    pub git_overrides: GitSettings,
 37    pub terminal_defaults: TerminalSettings,
 38    pub terminal_overrides: TerminalSettings,
 39    pub language_defaults: HashMap<Arc<str>, EditorSettings>,
 40    pub language_overrides: HashMap<Arc<str>, EditorSettings>,
 41    pub lsp: HashMap<Arc<str>, LspSettings>,
 42    pub theme: Arc<Theme>,
 43    pub staff_mode: bool,
 44}
 45
 46#[derive(Copy, Clone, Debug, Default, Deserialize, JsonSchema)]
 47pub struct FeatureFlags {
 48    pub experimental_themes: bool,
 49}
 50
 51impl FeatureFlags {
 52    pub fn keymap_files(&self) -> Vec<&'static str> {
 53        vec![]
 54    }
 55}
 56
 57#[derive(Copy, Clone, Debug, Default, Deserialize, JsonSchema)]
 58pub struct GitSettings {
 59    pub git_gutter: Option<GitGutter>,
 60}
 61
 62#[derive(Clone, Copy, Debug, Default, Deserialize, JsonSchema)]
 63pub struct GitGutter {
 64    pub files_included: Option<GitFilesIncluded>,
 65    pub debounce_delay_millis: Option<u64>,
 66}
 67
 68impl GitGutter {
 69    pub fn files_included(&self, settings: &Settings) -> GitFilesIncluded {
 70        self.files_included.unwrap_or_else(|| {
 71            settings
 72                .git.git_gutter.expect("git_gutter must be some in defaults.json")
 73                .files_included
 74                .expect("Should be some in defaults.json")
 75        })
 76    }
 77}
 78
 79#[derive(Clone, Copy, Debug, Default, Deserialize, JsonSchema, PartialEq, Eq)]
 80#[serde(rename_all = "snake_case")]
 81pub enum GitFilesIncluded {
 82    #[default]
 83    All,
 84    OnlyTracked,
 85    None,
 86}
 87
 88#[derive(Clone, Debug, Default, Deserialize, JsonSchema)]
 89pub struct EditorSettings {
 90    pub tab_size: Option<NonZeroU32>,
 91    pub hard_tabs: Option<bool>,
 92    pub soft_wrap: Option<SoftWrap>,
 93    pub preferred_line_length: Option<u32>,
 94    pub format_on_save: Option<FormatOnSave>,
 95    pub formatter: Option<Formatter>,
 96    pub enable_language_server: Option<bool>,
 97}
 98
 99#[derive(Copy, Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
100#[serde(rename_all = "snake_case")]
101pub enum SoftWrap {
102    None,
103    EditorWidth,
104    PreferredLineLength,
105}
106#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
107#[serde(rename_all = "snake_case")]
108pub enum FormatOnSave {
109    On,
110    Off,
111    LanguageServer,
112    External {
113        command: String,
114        arguments: Vec<String>,
115    },
116}
117
118#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
119#[serde(rename_all = "snake_case")]
120pub enum Formatter {
121    LanguageServer,
122    External {
123        command: String,
124        arguments: Vec<String>,
125    },
126}
127
128#[derive(Copy, Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
129#[serde(rename_all = "snake_case")]
130pub enum Autosave {
131    Off,
132    AfterDelay { milliseconds: u64 },
133    OnFocusChange,
134    OnWindowChange,
135}
136
137#[derive(Clone, Debug, Default, Deserialize, JsonSchema)]
138pub struct TerminalSettings {
139    pub shell: Option<Shell>,
140    pub working_directory: Option<WorkingDirectory>,
141    pub font_size: Option<f32>,
142    pub font_family: Option<String>,
143    pub env: Option<HashMap<String, String>>,
144    pub blinking: Option<TerminalBlink>,
145    pub alternate_scroll: Option<AlternateScroll>,
146    pub option_as_meta: Option<bool>,
147}
148
149#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
150#[serde(rename_all = "snake_case")]
151pub enum TerminalBlink {
152    Off,
153    TerminalControlled,
154    On,
155}
156
157impl Default for TerminalBlink {
158    fn default() -> Self {
159        TerminalBlink::TerminalControlled
160    }
161}
162
163#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
164#[serde(rename_all = "snake_case")]
165pub enum Shell {
166    System,
167    Program(String),
168    WithArguments { program: String, args: Vec<String> },
169}
170
171impl Default for Shell {
172    fn default() -> Self {
173        Shell::System
174    }
175}
176
177#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
178#[serde(rename_all = "snake_case")]
179pub enum AlternateScroll {
180    On,
181    Off,
182}
183
184impl Default for AlternateScroll {
185    fn default() -> Self {
186        AlternateScroll::On
187    }
188}
189
190#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
191#[serde(rename_all = "snake_case")]
192pub enum WorkingDirectory {
193    CurrentProjectDirectory,
194    FirstProjectDirectory,
195    AlwaysHome,
196    Always { directory: String },
197}
198
199#[derive(PartialEq, Eq, Debug, Default, Copy, Clone, Hash, Deserialize, JsonSchema)]
200#[serde(rename_all = "snake_case")]
201pub enum DockAnchor {
202    #[default]
203    Bottom,
204    Right,
205    Expanded,
206}
207
208#[derive(Clone, Debug, Default, Deserialize, JsonSchema)]
209pub struct SettingsFileContent {
210    pub experiments: Option<FeatureFlags>,
211    #[serde(default)]
212    pub projects_online_by_default: Option<bool>,
213    #[serde(default)]
214    pub buffer_font_family: Option<String>,
215    #[serde(default)]
216    pub buffer_font_size: Option<f32>,
217    #[serde(default)]
218    pub hover_popover_enabled: Option<bool>,
219    #[serde(default)]
220    pub show_completions_on_input: Option<bool>,
221    #[serde(default)]
222    pub vim_mode: Option<bool>,
223    #[serde(default)]
224    pub autosave: Option<Autosave>,
225    #[serde(default)]
226    pub default_dock_anchor: Option<DockAnchor>,
227    #[serde(flatten)]
228    pub editor: EditorSettings,
229    #[serde(default)]
230    pub terminal: TerminalSettings,
231    #[serde(default)]
232    pub git: Option<GitSettings>,
233    #[serde(default)]
234    #[serde(alias = "language_overrides")]
235    pub languages: HashMap<Arc<str>, EditorSettings>,
236    #[serde(default)]
237    pub lsp: HashMap<Arc<str>, LspSettings>,
238    #[serde(default)]
239    pub theme: Option<String>,
240    #[serde(default)]
241    pub staff_mode: Option<bool>,
242}
243
244#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
245#[serde(rename_all = "snake_case")]
246pub struct LspSettings {
247    pub initialization_options: Option<Value>,
248}
249
250impl Settings {
251    pub fn defaults(
252        assets: impl AssetSource,
253        font_cache: &FontCache,
254        themes: &ThemeRegistry,
255    ) -> Self {
256        #[track_caller]
257        fn required<T>(value: Option<T>) -> Option<T> {
258            assert!(value.is_some(), "missing default setting value");
259            value
260        }
261
262        let defaults: SettingsFileContent = parse_json_with_comments(
263            str::from_utf8(assets.load("settings/default.json").unwrap().as_ref()).unwrap(),
264        )
265        .unwrap();
266
267        Self {
268            experiments: FeatureFlags::default(),
269            buffer_font_family: font_cache
270                .load_family(&[defaults.buffer_font_family.as_ref().unwrap()])
271                .unwrap(),
272            buffer_font_size: defaults.buffer_font_size.unwrap(),
273            default_buffer_font_size: defaults.buffer_font_size.unwrap(),
274            hover_popover_enabled: defaults.hover_popover_enabled.unwrap(),
275            show_completions_on_input: defaults.show_completions_on_input.unwrap(),
276            projects_online_by_default: defaults.projects_online_by_default.unwrap(),
277            vim_mode: defaults.vim_mode.unwrap(),
278            autosave: defaults.autosave.unwrap(),
279            default_dock_anchor: defaults.default_dock_anchor.unwrap(),
280            editor_defaults: EditorSettings {
281                tab_size: required(defaults.editor.tab_size),
282                hard_tabs: required(defaults.editor.hard_tabs),
283                soft_wrap: required(defaults.editor.soft_wrap),
284                preferred_line_length: required(defaults.editor.preferred_line_length),
285                format_on_save: required(defaults.editor.format_on_save),
286                formatter: required(defaults.editor.formatter),
287                enable_language_server: required(defaults.editor.enable_language_server),
288            },
289            editor_overrides: Default::default(),
290            git: defaults.git.unwrap(),
291            git_overrides: Default::default(),
292            terminal_defaults: Default::default(),
293            terminal_overrides: Default::default(),
294            language_defaults: defaults.languages,
295            language_overrides: Default::default(),
296            lsp: defaults.lsp.clone(),
297            theme: themes.get(&defaults.theme.unwrap()).unwrap(),
298
299            staff_mode: false,
300        }
301    }
302
303    pub fn set_user_settings(
304        &mut self,
305        data: SettingsFileContent,
306        theme_registry: &ThemeRegistry,
307        font_cache: &FontCache,
308    ) {
309        if let Some(value) = &data.buffer_font_family {
310            if let Some(id) = font_cache.load_family(&[value]).log_err() {
311                self.buffer_font_family = id;
312            }
313        }
314        if let Some(value) = &data.theme {
315            if let Some(theme) = theme_registry.get(value).log_err() {
316                self.theme = theme;
317            }
318        }
319
320        merge(
321            &mut self.projects_online_by_default,
322            data.projects_online_by_default,
323        );
324        merge(&mut self.buffer_font_size, data.buffer_font_size);
325        merge(&mut self.default_buffer_font_size, data.buffer_font_size);
326        merge(&mut self.hover_popover_enabled, data.hover_popover_enabled);
327        merge(
328            &mut self.show_completions_on_input,
329            data.show_completions_on_input,
330        );
331        merge(&mut self.vim_mode, data.vim_mode);
332        merge(&mut self.autosave, data.autosave);
333        merge(&mut self.experiments, data.experiments);
334        merge(&mut self.staff_mode, data.staff_mode);
335        merge(&mut self.default_dock_anchor, data.default_dock_anchor);
336
337        // Ensure terminal font is loaded, so we can request it in terminal_element layout
338        if let Some(terminal_font) = &data.terminal.font_family {
339            font_cache.load_family(&[terminal_font]).log_err();
340        }
341
342        self.editor_overrides = data.editor;
343        self.git_overrides = data.git.unwrap_or_default();
344        self.terminal_defaults.font_size = data.terminal.font_size;
345        self.terminal_overrides = data.terminal;
346        self.language_overrides = data.languages;
347        self.lsp = data.lsp;
348    }
349
350    pub fn with_language_defaults(
351        mut self,
352        language_name: impl Into<Arc<str>>,
353        overrides: EditorSettings,
354    ) -> Self {
355        self.language_defaults
356            .insert(language_name.into(), overrides);
357        self
358    }
359
360    pub fn tab_size(&self, language: Option<&str>) -> NonZeroU32 {
361        self.language_setting(language, |settings| settings.tab_size)
362    }
363
364    pub fn hard_tabs(&self, language: Option<&str>) -> bool {
365        self.language_setting(language, |settings| settings.hard_tabs)
366    }
367
368    pub fn soft_wrap(&self, language: Option<&str>) -> SoftWrap {
369        self.language_setting(language, |settings| settings.soft_wrap)
370    }
371
372    pub fn preferred_line_length(&self, language: Option<&str>) -> u32 {
373        self.language_setting(language, |settings| settings.preferred_line_length)
374    }
375
376    pub fn format_on_save(&self, language: Option<&str>) -> FormatOnSave {
377        self.language_setting(language, |settings| settings.format_on_save.clone())
378    }
379
380    pub fn formatter(&self, language: Option<&str>) -> Formatter {
381        self.language_setting(language, |settings| settings.formatter.clone())
382    }
383
384    pub fn enable_language_server(&self, language: Option<&str>) -> bool {
385        self.language_setting(language, |settings| settings.enable_language_server)
386    }
387
388    fn language_setting<F, R>(&self, language: Option<&str>, f: F) -> R
389    where
390        F: Fn(&EditorSettings) -> Option<R>,
391    {
392        None.or_else(|| language.and_then(|l| self.language_overrides.get(l).and_then(&f)))
393            .or_else(|| f(&self.editor_overrides))
394            .or_else(|| language.and_then(|l| self.language_defaults.get(l).and_then(&f)))
395            .or_else(|| f(&self.editor_defaults))
396            .expect("missing default")
397    }
398
399    pub fn git_gutter(&self) -> GitGutter {
400        self.git_overrides.git_gutter.unwrap_or_else(|| {
401            self.git
402                .git_gutter
403                .expect("git_gutter should be some by setting setup")
404        })
405    }
406
407    #[cfg(any(test, feature = "test-support"))]
408    pub fn test(cx: &gpui::AppContext) -> Settings {
409        Settings {
410            experiments: FeatureFlags::default(),
411            buffer_font_family: cx.font_cache().load_family(&["Monaco"]).unwrap(),
412            buffer_font_size: 14.,
413            default_buffer_font_size: 14.,
414            hover_popover_enabled: true,
415            show_completions_on_input: true,
416            vim_mode: false,
417            autosave: Autosave::Off,
418            default_dock_anchor: DockAnchor::Bottom,
419            editor_defaults: EditorSettings {
420                tab_size: Some(4.try_into().unwrap()),
421                hard_tabs: Some(false),
422                soft_wrap: Some(SoftWrap::None),
423                preferred_line_length: Some(80),
424                format_on_save: Some(FormatOnSave::On),
425                formatter: Some(Formatter::LanguageServer),
426                enable_language_server: Some(true),
427            },
428            editor_overrides: Default::default(),
429            terminal_defaults: Default::default(),
430            terminal_overrides: Default::default(),
431            git: GitSettings {
432                git_gutter: Some(GitGutter {
433                    files_included: Some(GitFilesIncluded::All),
434                    debounce_delay_millis: None,
435                }),
436            },
437            git_overrides: Default::default(),
438            language_defaults: Default::default(),
439            language_overrides: Default::default(),
440            lsp: Default::default(),
441            projects_online_by_default: true,
442            theme: gpui::fonts::with_font_cache(cx.font_cache().clone(), Default::default),
443            staff_mode: false,
444        }
445    }
446
447    #[cfg(any(test, feature = "test-support"))]
448    pub fn test_async(cx: &mut gpui::TestAppContext) {
449        cx.update(|cx| {
450            let settings = Self::test(cx);
451            cx.set_global(settings);
452        });
453    }
454}
455
456pub fn settings_file_json_schema(
457    theme_names: Vec<String>,
458    language_names: &[String],
459) -> serde_json::Value {
460    let settings = SchemaSettings::draft07().with(|settings| {
461        settings.option_add_null_type = false;
462    });
463    let generator = SchemaGenerator::new(settings);
464    let mut root_schema = generator.into_root_schema_for::<SettingsFileContent>();
465
466    // Create a schema for a theme name.
467    let theme_name_schema = SchemaObject {
468        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::String))),
469        enum_values: Some(theme_names.into_iter().map(Value::String).collect()),
470        ..Default::default()
471    };
472
473    // Create a schema for a 'languages overrides' object, associating editor
474    // settings with specific langauges.
475    assert!(root_schema.definitions.contains_key("EditorSettings"));
476    let languages_object_schema = SchemaObject {
477        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::Object))),
478        object: Some(Box::new(ObjectValidation {
479            properties: language_names
480                .iter()
481                .map(|name| {
482                    (
483                        name.clone(),
484                        Schema::new_ref("#/definitions/EditorSettings".into()),
485                    )
486                })
487                .collect(),
488            ..Default::default()
489        })),
490        ..Default::default()
491    };
492
493    // Add these new schemas as definitions, and modify properties of the root
494    // schema to reference them.
495    root_schema.definitions.extend([
496        ("ThemeName".into(), theme_name_schema.into()),
497        ("Languages".into(), languages_object_schema.into()),
498    ]);
499    let root_schema_object = &mut root_schema.schema.object.as_mut().unwrap();
500
501    // Avoid automcomplete for non-user facing settings
502    root_schema_object.properties.remove("staff_mode");
503    root_schema_object.properties.extend([
504        (
505            "theme".to_owned(),
506            Schema::new_ref("#/definitions/ThemeName".into()),
507        ),
508        (
509            "languages".to_owned(),
510            Schema::new_ref("#/definitions/Languages".into()),
511        ),
512        // For backward compatibility
513        (
514            "language_overrides".to_owned(),
515            Schema::new_ref("#/definitions/Languages".into()),
516        ),
517    ]);
518
519    serde_json::to_value(root_schema).unwrap()
520}
521
522fn merge<T: Copy>(target: &mut T, value: Option<T>) {
523    if let Some(value) = value {
524        *target = value;
525    }
526}
527
528pub fn parse_json_with_comments<T: DeserializeOwned>(content: &str) -> Result<T> {
529    Ok(serde_json::from_reader(
530        json_comments::CommentSettings::c_style().strip_comments(content.as_bytes()),
531    )?)
532}