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 journal_defaults: JournalSettings,
 36    pub journal_overrides: JournalSettings,
 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(Clone, Debug, Default, Deserialize, JsonSchema)]
 58pub struct EditorSettings {
 59    pub tab_size: Option<NonZeroU32>,
 60    pub hard_tabs: Option<bool>,
 61    pub soft_wrap: Option<SoftWrap>,
 62    pub preferred_line_length: Option<u32>,
 63    pub format_on_save: Option<FormatOnSave>,
 64    pub formatter: Option<Formatter>,
 65    pub enable_language_server: Option<bool>,
 66}
 67
 68#[derive(Copy, Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
 69#[serde(rename_all = "snake_case")]
 70pub enum SoftWrap {
 71    None,
 72    EditorWidth,
 73    PreferredLineLength,
 74}
 75#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
 76#[serde(rename_all = "snake_case")]
 77pub enum FormatOnSave {
 78    On,
 79    Off,
 80    LanguageServer,
 81    External {
 82        command: String,
 83        arguments: Vec<String>,
 84    },
 85}
 86
 87#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
 88#[serde(rename_all = "snake_case")]
 89pub enum Formatter {
 90    LanguageServer,
 91    External {
 92        command: String,
 93        arguments: Vec<String>,
 94    },
 95}
 96
 97#[derive(Copy, Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
 98#[serde(rename_all = "snake_case")]
 99pub enum Autosave {
100    Off,
101    AfterDelay { milliseconds: u64 },
102    OnFocusChange,
103    OnWindowChange,
104}
105
106#[derive(Clone, Debug, Default, Deserialize, JsonSchema)]
107pub struct JournalSettings {
108    pub journal_directory: Option<JournalDirectory>,
109    pub hour_format: Option<HourFormat>,
110}
111
112#[derive(Clone, Debug, Deserialize, JsonSchema)]
113#[serde(rename_all = "snake_case")]
114pub enum JournalDirectory {
115    AlwaysHome,
116    Always { directory: String },
117}
118
119#[derive(Clone, Debug, Deserialize, JsonSchema)]
120#[serde(rename_all = "snake_case")]
121pub enum HourFormat {
122    Hour12,
123    Hour24,
124}
125
126#[derive(Clone, Debug, Default, Deserialize, JsonSchema)]
127pub struct TerminalSettings {
128    pub shell: Option<Shell>,
129    pub working_directory: Option<WorkingDirectory>,
130    pub font_size: Option<f32>,
131    pub font_family: Option<String>,
132    pub env: Option<HashMap<String, String>>,
133    pub blinking: Option<TerminalBlink>,
134    pub alternate_scroll: Option<AlternateScroll>,
135    pub option_as_meta: Option<bool>,
136}
137
138#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
139#[serde(rename_all = "snake_case")]
140pub enum TerminalBlink {
141    Off,
142    TerminalControlled,
143    On,
144}
145
146impl Default for TerminalBlink {
147    fn default() -> Self {
148        TerminalBlink::TerminalControlled
149    }
150}
151
152#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
153#[serde(rename_all = "snake_case")]
154pub enum Shell {
155    System,
156    Program(String),
157    WithArguments { program: String, args: Vec<String> },
158}
159
160impl Default for Shell {
161    fn default() -> Self {
162        Shell::System
163    }
164}
165
166#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
167#[serde(rename_all = "snake_case")]
168pub enum AlternateScroll {
169    On,
170    Off,
171}
172
173impl Default for AlternateScroll {
174    fn default() -> Self {
175        AlternateScroll::On
176    }
177}
178
179#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
180#[serde(rename_all = "snake_case")]
181pub enum WorkingDirectory {
182    CurrentProjectDirectory,
183    FirstProjectDirectory,
184    AlwaysHome,
185    Always { directory: String },
186}
187
188#[derive(PartialEq, Eq, Debug, Default, Copy, Clone, Hash, Deserialize, JsonSchema)]
189#[serde(rename_all = "snake_case")]
190pub enum DockAnchor {
191    #[default]
192    Bottom,
193    Right,
194    Expanded,
195}
196
197#[derive(Clone, Debug, Default, Deserialize, JsonSchema)]
198pub struct SettingsFileContent {
199    pub experiments: Option<FeatureFlags>,
200    #[serde(default)]
201    pub projects_online_by_default: Option<bool>,
202    #[serde(default)]
203    pub buffer_font_family: Option<String>,
204    #[serde(default)]
205    pub buffer_font_size: Option<f32>,
206    #[serde(default)]
207    pub hover_popover_enabled: Option<bool>,
208    #[serde(default)]
209    pub show_completions_on_input: Option<bool>,
210    #[serde(default)]
211    pub vim_mode: Option<bool>,
212    #[serde(default)]
213    pub autosave: Option<Autosave>,
214    #[serde(default)]
215    pub default_dock_anchor: Option<DockAnchor>,
216    #[serde(flatten)]
217    pub editor: EditorSettings,
218    #[serde(default)]
219    pub journal: JournalSettings,
220    #[serde(default)]
221    pub terminal: TerminalSettings,
222    #[serde(default)]
223    #[serde(alias = "language_overrides")]
224    pub languages: HashMap<Arc<str>, EditorSettings>,
225    #[serde(default)]
226    pub lsp: HashMap<Arc<str>, LspSettings>,
227    #[serde(default)]
228    pub theme: Option<String>,
229    #[serde(default)]
230    pub staff_mode: Option<bool>,
231}
232
233#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
234#[serde(rename_all = "snake_case")]
235pub struct LspSettings {
236    pub initialization_options: Option<Value>,
237}
238
239impl Settings {
240    pub fn defaults(
241        assets: impl AssetSource,
242        font_cache: &FontCache,
243        themes: &ThemeRegistry,
244    ) -> Self {
245        #[track_caller]
246        fn required<T>(value: Option<T>) -> Option<T> {
247            assert!(value.is_some(), "missing default setting value");
248            value
249        }
250
251        let defaults: SettingsFileContent = parse_json_with_comments(
252            str::from_utf8(assets.load("settings/default.json").unwrap().as_ref()).unwrap(),
253        )
254        .unwrap();
255
256        Self {
257            experiments: FeatureFlags::default(),
258            buffer_font_family: font_cache
259                .load_family(&[defaults.buffer_font_family.as_ref().unwrap()])
260                .unwrap(),
261            buffer_font_size: defaults.buffer_font_size.unwrap(),
262            default_buffer_font_size: defaults.buffer_font_size.unwrap(),
263            hover_popover_enabled: defaults.hover_popover_enabled.unwrap(),
264            show_completions_on_input: defaults.show_completions_on_input.unwrap(),
265            projects_online_by_default: defaults.projects_online_by_default.unwrap(),
266            vim_mode: defaults.vim_mode.unwrap(),
267            autosave: defaults.autosave.unwrap(),
268            default_dock_anchor: defaults.default_dock_anchor.unwrap(),
269            editor_defaults: EditorSettings {
270                tab_size: required(defaults.editor.tab_size),
271                hard_tabs: required(defaults.editor.hard_tabs),
272                soft_wrap: required(defaults.editor.soft_wrap),
273                preferred_line_length: required(defaults.editor.preferred_line_length),
274                format_on_save: required(defaults.editor.format_on_save),
275                formatter: required(defaults.editor.formatter),
276                enable_language_server: required(defaults.editor.enable_language_server),
277            },
278            editor_overrides: Default::default(),
279            journal_defaults: Default::default(),
280            journal_overrides: Default::default(),
281            terminal_defaults: Default::default(),
282            terminal_overrides: Default::default(),
283            language_defaults: defaults.languages,
284            language_overrides: Default::default(),
285            lsp: defaults.lsp.clone(),
286            theme: themes.get(&defaults.theme.unwrap()).unwrap(),
287
288            staff_mode: false,
289        }
290    }
291
292    pub fn set_user_settings(
293        &mut self,
294        data: SettingsFileContent,
295        theme_registry: &ThemeRegistry,
296        font_cache: &FontCache,
297    ) {
298        if let Some(value) = &data.buffer_font_family {
299            if let Some(id) = font_cache.load_family(&[value]).log_err() {
300                self.buffer_font_family = id;
301            }
302        }
303        if let Some(value) = &data.theme {
304            if let Some(theme) = theme_registry.get(value).log_err() {
305                self.theme = theme;
306            }
307        }
308
309        merge(
310            &mut self.projects_online_by_default,
311            data.projects_online_by_default,
312        );
313        merge(&mut self.buffer_font_size, data.buffer_font_size);
314        merge(&mut self.default_buffer_font_size, data.buffer_font_size);
315        merge(&mut self.hover_popover_enabled, data.hover_popover_enabled);
316        merge(
317            &mut self.show_completions_on_input,
318            data.show_completions_on_input,
319        );
320        merge(&mut self.vim_mode, data.vim_mode);
321        merge(&mut self.autosave, data.autosave);
322        merge(&mut self.experiments, data.experiments);
323        merge(&mut self.staff_mode, data.staff_mode);
324        merge(&mut self.default_dock_anchor, data.default_dock_anchor);
325
326        // Ensure terminal font is loaded, so we can request it in terminal_element layout
327        if let Some(terminal_font) = &data.terminal.font_family {
328            font_cache.load_family(&[terminal_font]).log_err();
329        }
330
331        self.editor_overrides = data.editor;
332        self.journal_overrides = data.journal;
333        self.terminal_defaults.font_size = data.terminal.font_size;
334        self.terminal_overrides = data.terminal;
335        self.language_overrides = data.languages;
336        self.lsp = data.lsp;
337    }
338
339    pub fn with_language_defaults(
340        mut self,
341        language_name: impl Into<Arc<str>>,
342        overrides: EditorSettings,
343    ) -> Self {
344        self.language_defaults
345            .insert(language_name.into(), overrides);
346        self
347    }
348
349    pub fn tab_size(&self, language: Option<&str>) -> NonZeroU32 {
350        self.language_setting(language, |settings| settings.tab_size)
351    }
352
353    pub fn hard_tabs(&self, language: Option<&str>) -> bool {
354        self.language_setting(language, |settings| settings.hard_tabs)
355    }
356
357    pub fn soft_wrap(&self, language: Option<&str>) -> SoftWrap {
358        self.language_setting(language, |settings| settings.soft_wrap)
359    }
360
361    pub fn preferred_line_length(&self, language: Option<&str>) -> u32 {
362        self.language_setting(language, |settings| settings.preferred_line_length)
363    }
364
365    pub fn format_on_save(&self, language: Option<&str>) -> FormatOnSave {
366        self.language_setting(language, |settings| settings.format_on_save.clone())
367    }
368
369    pub fn formatter(&self, language: Option<&str>) -> Formatter {
370        self.language_setting(language, |settings| settings.formatter.clone())
371    }
372
373    pub fn enable_language_server(&self, language: Option<&str>) -> bool {
374        self.language_setting(language, |settings| settings.enable_language_server)
375    }
376
377    fn language_setting<F, R>(&self, language: Option<&str>, f: F) -> R
378    where
379        F: Fn(&EditorSettings) -> Option<R>,
380    {
381        None.or_else(|| language.and_then(|l| self.language_overrides.get(l).and_then(&f)))
382            .or_else(|| f(&self.editor_overrides))
383            .or_else(|| language.and_then(|l| self.language_defaults.get(l).and_then(&f)))
384            .or_else(|| f(&self.editor_defaults))
385            .expect("missing default")
386    }
387
388    #[cfg(any(test, feature = "test-support"))]
389    pub fn test(cx: &gpui::AppContext) -> Settings {
390        Settings {
391            experiments: FeatureFlags::default(),
392            buffer_font_family: cx.font_cache().load_family(&["Monaco"]).unwrap(),
393            buffer_font_size: 14.,
394            default_buffer_font_size: 14.,
395            hover_popover_enabled: true,
396            show_completions_on_input: true,
397            vim_mode: false,
398            autosave: Autosave::Off,
399            default_dock_anchor: DockAnchor::Bottom,
400            editor_defaults: EditorSettings {
401                tab_size: Some(4.try_into().unwrap()),
402                hard_tabs: Some(false),
403                soft_wrap: Some(SoftWrap::None),
404                preferred_line_length: Some(80),
405                format_on_save: Some(FormatOnSave::On),
406                formatter: Some(Formatter::LanguageServer),
407                enable_language_server: Some(true),
408            },
409            editor_overrides: Default::default(),
410            journal_defaults: Default::default(),
411            journal_overrides: Default::default(),
412            terminal_defaults: Default::default(),
413            terminal_overrides: Default::default(),
414            language_defaults: Default::default(),
415            language_overrides: Default::default(),
416            lsp: Default::default(),
417            projects_online_by_default: true,
418            theme: gpui::fonts::with_font_cache(cx.font_cache().clone(), Default::default),
419            staff_mode: false,
420        }
421    }
422
423    #[cfg(any(test, feature = "test-support"))]
424    pub fn test_async(cx: &mut gpui::TestAppContext) {
425        cx.update(|cx| {
426            let settings = Self::test(cx);
427            cx.set_global(settings);
428        });
429    }
430}
431
432pub fn settings_file_json_schema(
433    theme_names: Vec<String>,
434    language_names: &[String],
435) -> serde_json::Value {
436    let settings = SchemaSettings::draft07().with(|settings| {
437        settings.option_add_null_type = false;
438    });
439    let generator = SchemaGenerator::new(settings);
440    let mut root_schema = generator.into_root_schema_for::<SettingsFileContent>();
441
442    // Create a schema for a theme name.
443    let theme_name_schema = SchemaObject {
444        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::String))),
445        enum_values: Some(theme_names.into_iter().map(Value::String).collect()),
446        ..Default::default()
447    };
448
449    // Create a schema for a 'languages overrides' object, associating editor
450    // settings with specific langauges.
451    assert!(root_schema.definitions.contains_key("EditorSettings"));
452    let languages_object_schema = SchemaObject {
453        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::Object))),
454        object: Some(Box::new(ObjectValidation {
455            properties: language_names
456                .iter()
457                .map(|name| {
458                    (
459                        name.clone(),
460                        Schema::new_ref("#/definitions/EditorSettings".into()),
461                    )
462                })
463                .collect(),
464            ..Default::default()
465        })),
466        ..Default::default()
467    };
468
469    // Add these new schemas as definitions, and modify properties of the root
470    // schema to reference them.
471    root_schema.definitions.extend([
472        ("ThemeName".into(), theme_name_schema.into()),
473        ("Languages".into(), languages_object_schema.into()),
474    ]);
475    let root_schema_object = &mut root_schema.schema.object.as_mut().unwrap();
476
477    // Avoid automcomplete for non-user facing settings
478    root_schema_object.properties.remove("staff_mode");
479    root_schema_object.properties.extend([
480        (
481            "theme".to_owned(),
482            Schema::new_ref("#/definitions/ThemeName".into()),
483        ),
484        (
485            "languages".to_owned(),
486            Schema::new_ref("#/definitions/Languages".into()),
487        ),
488        // For backward compatibility
489        (
490            "language_overrides".to_owned(),
491            Schema::new_ref("#/definitions/Languages".into()),
492        ),
493    ]);
494
495    serde_json::to_value(root_schema).unwrap()
496}
497
498fn merge<T: Copy>(target: &mut T, value: Option<T>) {
499    if let Some(value) = value {
500        *target = value;
501    }
502}
503
504pub fn parse_json_with_comments<T: DeserializeOwned>(content: &str) -> Result<T> {
505    Ok(serde_json::from_reader(
506        json_comments::CommentSettings::c_style().strip_comments(content.as_bytes()),
507    )?)
508}