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, Deserialize, JsonSchema)]
107pub struct JournalSettings {
108    pub path: Option<String>,
109    pub hour_format: Option<HourFormat>,
110}
111
112impl Default for JournalSettings {
113    fn default() -> Self {
114        Self {
115            path: Some("~".into()),
116            hour_format: Some(Default::default()),
117        }
118    }
119}
120
121#[derive(Clone, Debug, Deserialize, JsonSchema)]
122#[serde(rename_all = "snake_case")]
123pub enum HourFormat {
124    Hour12,
125    Hour24,
126}
127
128impl Default for HourFormat {
129    fn default() -> Self {
130        Self::Hour12
131    }
132}
133
134#[derive(Clone, Debug, Default, Deserialize, JsonSchema)]
135pub struct TerminalSettings {
136    pub shell: Option<Shell>,
137    pub working_directory: Option<WorkingDirectory>,
138    pub font_size: Option<f32>,
139    pub font_family: Option<String>,
140    pub env: Option<HashMap<String, String>>,
141    pub blinking: Option<TerminalBlink>,
142    pub alternate_scroll: Option<AlternateScroll>,
143    pub option_as_meta: Option<bool>,
144}
145
146#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
147#[serde(rename_all = "snake_case")]
148pub enum TerminalBlink {
149    Off,
150    TerminalControlled,
151    On,
152}
153
154impl Default for TerminalBlink {
155    fn default() -> Self {
156        TerminalBlink::TerminalControlled
157    }
158}
159
160#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
161#[serde(rename_all = "snake_case")]
162pub enum Shell {
163    System,
164    Program(String),
165    WithArguments { program: String, args: Vec<String> },
166}
167
168impl Default for Shell {
169    fn default() -> Self {
170        Shell::System
171    }
172}
173
174#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
175#[serde(rename_all = "snake_case")]
176pub enum AlternateScroll {
177    On,
178    Off,
179}
180
181impl Default for AlternateScroll {
182    fn default() -> Self {
183        AlternateScroll::On
184    }
185}
186
187#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
188#[serde(rename_all = "snake_case")]
189pub enum WorkingDirectory {
190    CurrentProjectDirectory,
191    FirstProjectDirectory,
192    AlwaysHome,
193    Always { directory: String },
194}
195
196#[derive(PartialEq, Eq, Debug, Default, Copy, Clone, Hash, Deserialize, JsonSchema)]
197#[serde(rename_all = "snake_case")]
198pub enum DockAnchor {
199    #[default]
200    Bottom,
201    Right,
202    Expanded,
203}
204
205#[derive(Clone, Debug, Default, Deserialize, JsonSchema)]
206pub struct SettingsFileContent {
207    pub experiments: Option<FeatureFlags>,
208    #[serde(default)]
209    pub projects_online_by_default: Option<bool>,
210    #[serde(default)]
211    pub buffer_font_family: Option<String>,
212    #[serde(default)]
213    pub buffer_font_size: Option<f32>,
214    #[serde(default)]
215    pub hover_popover_enabled: Option<bool>,
216    #[serde(default)]
217    pub show_completions_on_input: Option<bool>,
218    #[serde(default)]
219    pub vim_mode: Option<bool>,
220    #[serde(default)]
221    pub autosave: Option<Autosave>,
222    #[serde(default)]
223    pub default_dock_anchor: Option<DockAnchor>,
224    #[serde(flatten)]
225    pub editor: EditorSettings,
226    #[serde(default)]
227    pub journal: JournalSettings,
228    #[serde(default)]
229    pub terminal: TerminalSettings,
230    #[serde(default)]
231    #[serde(alias = "language_overrides")]
232    pub languages: HashMap<Arc<str>, EditorSettings>,
233    #[serde(default)]
234    pub lsp: HashMap<Arc<str>, LspSettings>,
235    #[serde(default)]
236    pub theme: Option<String>,
237    #[serde(default)]
238    pub staff_mode: Option<bool>,
239}
240
241#[derive(Clone, Debug, Deserialize, PartialEq, Eq, JsonSchema)]
242#[serde(rename_all = "snake_case")]
243pub struct LspSettings {
244    pub initialization_options: Option<Value>,
245}
246
247impl Settings {
248    pub fn defaults(
249        assets: impl AssetSource,
250        font_cache: &FontCache,
251        themes: &ThemeRegistry,
252    ) -> Self {
253        #[track_caller]
254        fn required<T>(value: Option<T>) -> Option<T> {
255            assert!(value.is_some(), "missing default setting value");
256            value
257        }
258
259        let defaults: SettingsFileContent = parse_json_with_comments(
260            str::from_utf8(assets.load("settings/default.json").unwrap().as_ref()).unwrap(),
261        )
262        .unwrap();
263
264        Self {
265            experiments: FeatureFlags::default(),
266            buffer_font_family: font_cache
267                .load_family(&[defaults.buffer_font_family.as_ref().unwrap()])
268                .unwrap(),
269            buffer_font_size: defaults.buffer_font_size.unwrap(),
270            default_buffer_font_size: defaults.buffer_font_size.unwrap(),
271            hover_popover_enabled: defaults.hover_popover_enabled.unwrap(),
272            show_completions_on_input: defaults.show_completions_on_input.unwrap(),
273            projects_online_by_default: defaults.projects_online_by_default.unwrap(),
274            vim_mode: defaults.vim_mode.unwrap(),
275            autosave: defaults.autosave.unwrap(),
276            default_dock_anchor: defaults.default_dock_anchor.unwrap(),
277            editor_defaults: EditorSettings {
278                tab_size: required(defaults.editor.tab_size),
279                hard_tabs: required(defaults.editor.hard_tabs),
280                soft_wrap: required(defaults.editor.soft_wrap),
281                preferred_line_length: required(defaults.editor.preferred_line_length),
282                format_on_save: required(defaults.editor.format_on_save),
283                formatter: required(defaults.editor.formatter),
284                enable_language_server: required(defaults.editor.enable_language_server),
285            },
286            editor_overrides: Default::default(),
287            journal_defaults: Default::default(),
288            journal_overrides: Default::default(),
289            terminal_defaults: Default::default(),
290            terminal_overrides: Default::default(),
291            language_defaults: defaults.languages,
292            language_overrides: Default::default(),
293            lsp: defaults.lsp.clone(),
294            theme: themes.get(&defaults.theme.unwrap()).unwrap(),
295
296            staff_mode: false,
297        }
298    }
299
300    pub fn set_user_settings(
301        &mut self,
302        data: SettingsFileContent,
303        theme_registry: &ThemeRegistry,
304        font_cache: &FontCache,
305    ) {
306        if let Some(value) = &data.buffer_font_family {
307            if let Some(id) = font_cache.load_family(&[value]).log_err() {
308                self.buffer_font_family = id;
309            }
310        }
311        if let Some(value) = &data.theme {
312            if let Some(theme) = theme_registry.get(value).log_err() {
313                self.theme = theme;
314            }
315        }
316
317        merge(
318            &mut self.projects_online_by_default,
319            data.projects_online_by_default,
320        );
321        merge(&mut self.buffer_font_size, data.buffer_font_size);
322        merge(&mut self.default_buffer_font_size, data.buffer_font_size);
323        merge(&mut self.hover_popover_enabled, data.hover_popover_enabled);
324        merge(
325            &mut self.show_completions_on_input,
326            data.show_completions_on_input,
327        );
328        merge(&mut self.vim_mode, data.vim_mode);
329        merge(&mut self.autosave, data.autosave);
330        merge(&mut self.experiments, data.experiments);
331        merge(&mut self.staff_mode, data.staff_mode);
332        merge(&mut self.default_dock_anchor, data.default_dock_anchor);
333
334        // Ensure terminal font is loaded, so we can request it in terminal_element layout
335        if let Some(terminal_font) = &data.terminal.font_family {
336            font_cache.load_family(&[terminal_font]).log_err();
337        }
338
339        self.editor_overrides = data.editor;
340        self.journal_overrides = data.journal;
341        self.terminal_defaults.font_size = data.terminal.font_size;
342        self.terminal_overrides = data.terminal;
343        self.language_overrides = data.languages;
344        self.lsp = data.lsp;
345    }
346
347    pub fn with_language_defaults(
348        mut self,
349        language_name: impl Into<Arc<str>>,
350        overrides: EditorSettings,
351    ) -> Self {
352        self.language_defaults
353            .insert(language_name.into(), overrides);
354        self
355    }
356
357    pub fn tab_size(&self, language: Option<&str>) -> NonZeroU32 {
358        self.language_setting(language, |settings| settings.tab_size)
359    }
360
361    pub fn hard_tabs(&self, language: Option<&str>) -> bool {
362        self.language_setting(language, |settings| settings.hard_tabs)
363    }
364
365    pub fn soft_wrap(&self, language: Option<&str>) -> SoftWrap {
366        self.language_setting(language, |settings| settings.soft_wrap)
367    }
368
369    pub fn preferred_line_length(&self, language: Option<&str>) -> u32 {
370        self.language_setting(language, |settings| settings.preferred_line_length)
371    }
372
373    pub fn format_on_save(&self, language: Option<&str>) -> FormatOnSave {
374        self.language_setting(language, |settings| settings.format_on_save.clone())
375    }
376
377    pub fn formatter(&self, language: Option<&str>) -> Formatter {
378        self.language_setting(language, |settings| settings.formatter.clone())
379    }
380
381    pub fn enable_language_server(&self, language: Option<&str>) -> bool {
382        self.language_setting(language, |settings| settings.enable_language_server)
383    }
384
385    fn language_setting<F, R>(&self, language: Option<&str>, f: F) -> R
386    where
387        F: Fn(&EditorSettings) -> Option<R>,
388    {
389        None.or_else(|| language.and_then(|l| self.language_overrides.get(l).and_then(&f)))
390            .or_else(|| f(&self.editor_overrides))
391            .or_else(|| language.and_then(|l| self.language_defaults.get(l).and_then(&f)))
392            .or_else(|| f(&self.editor_defaults))
393            .expect("missing default")
394    }
395
396    #[cfg(any(test, feature = "test-support"))]
397    pub fn test(cx: &gpui::AppContext) -> Settings {
398        Settings {
399            experiments: FeatureFlags::default(),
400            buffer_font_family: cx.font_cache().load_family(&["Monaco"]).unwrap(),
401            buffer_font_size: 14.,
402            default_buffer_font_size: 14.,
403            hover_popover_enabled: true,
404            show_completions_on_input: true,
405            vim_mode: false,
406            autosave: Autosave::Off,
407            default_dock_anchor: DockAnchor::Bottom,
408            editor_defaults: EditorSettings {
409                tab_size: Some(4.try_into().unwrap()),
410                hard_tabs: Some(false),
411                soft_wrap: Some(SoftWrap::None),
412                preferred_line_length: Some(80),
413                format_on_save: Some(FormatOnSave::On),
414                formatter: Some(Formatter::LanguageServer),
415                enable_language_server: Some(true),
416            },
417            editor_overrides: Default::default(),
418            journal_defaults: Default::default(),
419            journal_overrides: Default::default(),
420            terminal_defaults: Default::default(),
421            terminal_overrides: Default::default(),
422            language_defaults: Default::default(),
423            language_overrides: Default::default(),
424            lsp: Default::default(),
425            projects_online_by_default: true,
426            theme: gpui::fonts::with_font_cache(cx.font_cache().clone(), Default::default),
427            staff_mode: false,
428        }
429    }
430
431    #[cfg(any(test, feature = "test-support"))]
432    pub fn test_async(cx: &mut gpui::TestAppContext) {
433        cx.update(|cx| {
434            let settings = Self::test(cx);
435            cx.set_global(settings);
436        });
437    }
438}
439
440pub fn settings_file_json_schema(
441    theme_names: Vec<String>,
442    language_names: &[String],
443) -> serde_json::Value {
444    let settings = SchemaSettings::draft07().with(|settings| {
445        settings.option_add_null_type = false;
446    });
447    let generator = SchemaGenerator::new(settings);
448    let mut root_schema = generator.into_root_schema_for::<SettingsFileContent>();
449
450    // Create a schema for a theme name.
451    let theme_name_schema = SchemaObject {
452        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::String))),
453        enum_values: Some(theme_names.into_iter().map(Value::String).collect()),
454        ..Default::default()
455    };
456
457    // Create a schema for a 'languages overrides' object, associating editor
458    // settings with specific langauges.
459    assert!(root_schema.definitions.contains_key("EditorSettings"));
460    let languages_object_schema = SchemaObject {
461        instance_type: Some(SingleOrVec::Single(Box::new(InstanceType::Object))),
462        object: Some(Box::new(ObjectValidation {
463            properties: language_names
464                .iter()
465                .map(|name| {
466                    (
467                        name.clone(),
468                        Schema::new_ref("#/definitions/EditorSettings".into()),
469                    )
470                })
471                .collect(),
472            ..Default::default()
473        })),
474        ..Default::default()
475    };
476
477    // Add these new schemas as definitions, and modify properties of the root
478    // schema to reference them.
479    root_schema.definitions.extend([
480        ("ThemeName".into(), theme_name_schema.into()),
481        ("Languages".into(), languages_object_schema.into()),
482    ]);
483    let root_schema_object = &mut root_schema.schema.object.as_mut().unwrap();
484
485    // Avoid automcomplete for non-user facing settings
486    root_schema_object.properties.remove("staff_mode");
487    root_schema_object.properties.extend([
488        (
489            "theme".to_owned(),
490            Schema::new_ref("#/definitions/ThemeName".into()),
491        ),
492        (
493            "languages".to_owned(),
494            Schema::new_ref("#/definitions/Languages".into()),
495        ),
496        // For backward compatibility
497        (
498            "language_overrides".to_owned(),
499            Schema::new_ref("#/definitions/Languages".into()),
500        ),
501    ]);
502
503    serde_json::to_value(root_schema).unwrap()
504}
505
506fn merge<T: Copy>(target: &mut T, value: Option<T>) {
507    if let Some(value) = value {
508        *target = value;
509    }
510}
511
512pub fn parse_json_with_comments<T: DeserializeOwned>(content: &str) -> Result<T> {
513    Ok(serde_json::from_reader(
514        json_comments::CommentSettings::c_style().strip_comments(content.as_bytes()),
515    )?)
516}