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