terminal.rs

  1use std::path::PathBuf;
  2
  3use collections::HashMap;
  4use schemars::JsonSchema;
  5use serde::{Deserialize, Serialize};
  6use settings_macros::{MergeFrom, with_fallible_options};
  7
  8use crate::{FontFamilyName, FontFeaturesContent, FontSize, FontWeightContent};
  9
 10#[derive(Clone, Debug, PartialEq, Default, Serialize, Deserialize, JsonSchema, MergeFrom)]
 11pub struct ProjectTerminalSettingsContent {
 12    /// What shell to use when opening a terminal.
 13    ///
 14    /// Default: system
 15    pub shell: Option<Shell>,
 16    /// What working directory to use when launching the terminal
 17    ///
 18    /// Default: current_project_directory
 19    pub working_directory: Option<WorkingDirectory>,
 20    /// Any key-value pairs added to this list will be added to the terminal's
 21    /// environment. Use `:` to separate multiple values.
 22    ///
 23    /// Default: {}
 24    pub env: Option<HashMap<String, String>>,
 25    /// Activates the python virtual environment, if one is found, in the
 26    /// terminal's working directory (as resolved by the working_directory
 27    /// setting). Set this to "off" to disable this behavior.
 28    ///
 29    /// Default: on
 30    pub detect_venv: Option<VenvSettings>,
 31    /// Regexes used to identify paths for hyperlink navigation.
 32    ///
 33    /// Default: [
 34    ///   // Python-style diagnostics
 35    ///   "File \"(?<path>[^\"]+)\", line (?<line>[0-9]+)",
 36    ///   // Common path syntax with optional line, column, description, trailing punctuation, or
 37    ///   // surrounding symbols or quotes
 38    ///   [
 39    ///     "(?x)",
 40    ///     "# optionally starts with 0-2 opening prefix symbols",
 41    ///     "[({\\[<]{0,2}",
 42    ///     "# which may be followed by an opening quote",
 43    ///     "(?<quote>[\"'`])?",
 44    ///     "# `path` is the shortest sequence of any non-space character",
 45    ///     "(?<link>(?<path>[^ ]+?",
 46    ///     "    # which may end with a line and optionally a column,",
 47    ///     "    (?<line_column>:+[0-9]+(:[0-9]+)?|:?\\([0-9]+([,:][0-9]+)?\\))?",
 48    ///     "))",
 49    ///     "# which must be followed by a matching quote",
 50    ///     "(?(<quote>)\\k<quote>)",
 51    ///     "# and optionally a single closing symbol",
 52    ///     "[)}\\]>]?",
 53    ///     "# if line/column matched, may be followed by a description",
 54    ///     "(?(<line_column>):[^ 0-9][^ ]*)?",
 55    ///     "# which may be followed by trailing punctuation",
 56    ///     "[.,:)}\\]>]*",
 57    ///     "# and always includes trailing whitespace or end of line",
 58    ///     "([ ]+|$)"
 59    ///   ]
 60    /// ]
 61    pub path_hyperlink_regexes: Option<Vec<PathHyperlinkRegex>>,
 62    /// Timeout for hover and Cmd-click path hyperlink discovery in milliseconds.
 63    ///
 64    /// Default: 1
 65    pub path_hyperlink_timeout_ms: Option<u64>,
 66}
 67
 68#[with_fallible_options]
 69#[derive(Clone, Debug, PartialEq, Default, Serialize, Deserialize, JsonSchema, MergeFrom)]
 70pub struct TerminalSettingsContent {
 71    #[serde(flatten)]
 72    pub project: ProjectTerminalSettingsContent,
 73    /// Sets the terminal's font size.
 74    ///
 75    /// If this option is not included,
 76    /// the terminal will default to matching the buffer's font size.
 77    pub font_size: Option<FontSize>,
 78    /// Sets the terminal's font family.
 79    ///
 80    /// If this option is not included,
 81    /// the terminal will default to matching the buffer's font family.
 82    pub font_family: Option<FontFamilyName>,
 83
 84    /// Sets the terminal's font fallbacks.
 85    ///
 86    /// If this option is not included,
 87    /// the terminal will default to matching the buffer's font fallbacks.
 88    #[schemars(extend("uniqueItems" = true))]
 89    pub font_fallbacks: Option<Vec<FontFamilyName>>,
 90
 91    /// Sets the terminal's line height.
 92    ///
 93    /// Default: comfortable
 94    pub line_height: Option<TerminalLineHeight>,
 95    pub font_features: Option<FontFeaturesContent>,
 96    /// Sets the terminal's font weight in CSS weight units 0-900.
 97    pub font_weight: Option<FontWeightContent>,
 98    /// Default cursor shape for the terminal.
 99    /// Can be "bar", "block", "underline", or "hollow".
100    ///
101    /// Default: "block"
102    pub cursor_shape: Option<CursorShapeContent>,
103    /// Sets the cursor blinking behavior in the terminal.
104    ///
105    /// Default: terminal_controlled
106    pub blinking: Option<TerminalBlink>,
107    /// Sets whether Alternate Scroll mode (code: ?1007) is active by default.
108    /// Alternate Scroll mode converts mouse scroll events into up / down key
109    /// presses when in the alternate screen (e.g. when running applications
110    /// like vim or  less). The terminal can still set and unset this mode.
111    ///
112    /// Default: on
113    pub alternate_scroll: Option<AlternateScroll>,
114    /// Sets whether the option key behaves as the meta key.
115    ///
116    /// Default: false
117    pub option_as_meta: Option<bool>,
118    /// Whether or not selecting text in the terminal will automatically
119    /// copy to the system clipboard.
120    ///
121    /// Default: false
122    pub copy_on_select: Option<bool>,
123    /// Whether to keep the text selection after copying it to the clipboard.
124    ///
125    /// Default: true
126    pub keep_selection_on_copy: Option<bool>,
127    /// Whether to show the terminal button in the status bar.
128    ///
129    /// Default: true
130    pub button: Option<bool>,
131    pub dock: Option<TerminalDockPosition>,
132    /// Default width when the terminal is docked to the left or right.
133    ///
134    /// Default: 640
135    #[serde(serialize_with = "crate::serialize_optional_f32_with_two_decimal_places")]
136    pub default_width: Option<f32>,
137    /// Default height when the terminal is docked to the bottom.
138    ///
139    /// Default: 320
140    #[serde(serialize_with = "crate::serialize_optional_f32_with_two_decimal_places")]
141    pub default_height: Option<f32>,
142    /// The maximum number of lines to keep in the scrollback history.
143    /// Maximum allowed value is 100_000, all values above that will be treated as 100_000.
144    /// 0 disables the scrolling.
145    /// Existing terminals will not pick up this change until they are recreated.
146    /// See <a href="https://github.com/alacritty/alacritty/blob/cb3a79dbf6472740daca8440d5166c1d4af5029e/extra/man/alacritty.5.scd?plain=1#L207-L213">Alacritty documentation</a> for more information.
147    ///
148    /// Default: 10_000
149    pub max_scroll_history_lines: Option<usize>,
150    /// The multiplier for scrolling with the mouse wheel.
151    ///
152    /// Default: 1.0
153    pub scroll_multiplier: Option<f32>,
154    /// Toolbar related settings
155    pub toolbar: Option<TerminalToolbarContent>,
156    /// Scrollbar-related settings
157    pub scrollbar: Option<ScrollbarSettingsContent>,
158    /// The minimum APCA perceptual contrast between foreground and background colors.
159    ///
160    /// APCA (Accessible Perceptual Contrast Algorithm) is more accurate than WCAG 2.x,
161    /// especially for dark mode. Values range from 0 to 106.
162    ///
163    /// Based on APCA Readability Criterion (ARC) Bronze Simple Mode:
164    /// https://readtech.org/ARC/tests/bronze-simple-mode/
165    /// - 0: No contrast adjustment
166    /// - 45: Minimum for large fluent text (36px+)
167    /// - 60: Minimum for other content text
168    /// - 75: Minimum for body text
169    /// - 90: Preferred for body text
170    ///
171    /// Default: 45
172    #[serde(serialize_with = "crate::serialize_optional_f32_with_two_decimal_places")]
173    pub minimum_contrast: Option<f32>,
174    /// Whether to show a badge on the terminal panel icon with the count of open terminals.
175    ///
176    /// Default: false
177    pub show_count_badge: Option<bool>,
178}
179
180/// Shell configuration to open the terminal with.
181#[derive(
182    Clone,
183    Debug,
184    Default,
185    Serialize,
186    Deserialize,
187    PartialEq,
188    Eq,
189    JsonSchema,
190    MergeFrom,
191    strum::EnumDiscriminants,
192)]
193#[strum_discriminants(derive(strum::VariantArray, strum::VariantNames, strum::FromRepr))]
194#[serde(rename_all = "snake_case")]
195pub enum Shell {
196    /// Use the system's default terminal configuration in /etc/passwd
197    #[default]
198    System,
199    /// Use a specific program with no arguments.
200    Program(String),
201    /// Use a specific program with arguments.
202    WithArguments {
203        /// The program to run.
204        program: String,
205        /// The arguments to pass to the program.
206        args: Vec<String>,
207        /// An optional string to override the title of the terminal tab
208        title_override: Option<String>,
209    },
210}
211
212#[derive(
213    Clone,
214    Debug,
215    Serialize,
216    Deserialize,
217    PartialEq,
218    Eq,
219    JsonSchema,
220    MergeFrom,
221    strum::EnumDiscriminants,
222)]
223#[strum_discriminants(derive(strum::VariantArray, strum::VariantNames, strum::FromRepr))]
224#[serde(rename_all = "snake_case")]
225pub enum WorkingDirectory {
226    /// Use the current file's directory, falling back to the project directory,
227    /// then the first project in the workspace.
228    CurrentFileDirectory,
229    /// Use the current file's project directory. Fallback to the
230    /// first project directory strategy if unsuccessful.
231    CurrentProjectDirectory,
232    /// Use the first project in this workspace's directory. Fallback to using
233    /// this platform's home directory.
234    FirstProjectDirectory,
235    /// Always use this platform's home directory (if it can be found).
236    AlwaysHome,
237    /// Always use a specific directory. This value will be shell expanded.
238    /// If this path is not a valid directory the terminal will default to
239    /// this platform's home directory  (if it can be found).
240    Always { directory: String },
241}
242
243#[with_fallible_options]
244#[derive(
245    Clone, Copy, Debug, Serialize, Deserialize, JsonSchema, MergeFrom, PartialEq, Eq, Default,
246)]
247pub struct ScrollbarSettingsContent {
248    /// When to show the scrollbar in the terminal.
249    ///
250    /// Default: inherits editor scrollbar settings
251    pub show: Option<ShowScrollbar>,
252}
253
254#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, JsonSchema, MergeFrom, Default)]
255#[serde(rename_all = "snake_case")]
256pub enum TerminalLineHeight {
257    /// Use a line height that's comfortable for reading, 1.618
258    #[default]
259    Comfortable,
260    /// Use a standard line height, 1.3. This option is useful for TUIs,
261    /// particularly if they use box characters
262    Standard,
263    /// Use a custom line height.
264    Custom(#[serde(serialize_with = "crate::serialize_f32_with_two_decimal_places")] f32),
265}
266
267impl TerminalLineHeight {
268    pub fn value(&self) -> f32 {
269        match self {
270            TerminalLineHeight::Comfortable => 1.618,
271            TerminalLineHeight::Standard => 1.3,
272            TerminalLineHeight::Custom(line_height) => f32::max(*line_height, 1.),
273        }
274    }
275}
276
277/// When to show the scrollbar.
278///
279/// Default: auto
280#[derive(
281    Copy,
282    Clone,
283    Debug,
284    Default,
285    Serialize,
286    Deserialize,
287    JsonSchema,
288    MergeFrom,
289    PartialEq,
290    Eq,
291    strum::VariantArray,
292    strum::VariantNames,
293)]
294#[serde(rename_all = "snake_case")]
295pub enum ShowScrollbar {
296    /// Show the scrollbar if there's important information or
297    /// follow the system's configured behavior.
298    #[default]
299    Auto,
300    /// Match the system's configured behavior.
301    System,
302    /// Always show the scrollbar.
303    Always,
304    /// Never show the scrollbar.
305    Never,
306}
307
308#[derive(
309    Clone,
310    Copy,
311    Debug,
312    Default,
313    Serialize,
314    Deserialize,
315    PartialEq,
316    Eq,
317    JsonSchema,
318    MergeFrom,
319    strum::VariantArray,
320    strum::VariantNames,
321)]
322#[serde(rename_all = "snake_case")]
323// todo() -> combine with CursorShape
324pub enum CursorShapeContent {
325    /// Cursor is a block like `█`.
326    #[default]
327    Block,
328    /// Cursor is an underscore like `_`.
329    Underline,
330    /// Cursor is a vertical bar like `⎸`.
331    Bar,
332    /// Cursor is a hollow box like `▯`.
333    Hollow,
334}
335
336#[derive(
337    Copy,
338    Clone,
339    Debug,
340    Serialize,
341    Deserialize,
342    PartialEq,
343    Eq,
344    JsonSchema,
345    MergeFrom,
346    strum::VariantArray,
347    strum::VariantNames,
348)]
349#[serde(rename_all = "snake_case")]
350pub enum TerminalBlink {
351    /// Never blink the cursor, ignoring the terminal mode.
352    Off,
353    /// Default the cursor blink to off, but allow the terminal to
354    /// set blinking.
355    TerminalControlled,
356    /// Always blink the cursor, ignoring the terminal mode.
357    On,
358}
359
360#[derive(
361    Clone,
362    Copy,
363    Debug,
364    Serialize,
365    Deserialize,
366    PartialEq,
367    Eq,
368    JsonSchema,
369    MergeFrom,
370    strum::VariantArray,
371    strum::VariantNames,
372)]
373#[serde(rename_all = "snake_case")]
374pub enum AlternateScroll {
375    On,
376    Off,
377}
378
379// Toolbar related settings
380#[with_fallible_options]
381#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema, MergeFrom, PartialEq, Eq)]
382pub struct TerminalToolbarContent {
383    /// Whether to display the terminal title in breadcrumbs inside the terminal pane.
384    /// Only shown if the terminal title is not empty.
385    ///
386    /// The shell running in the terminal needs to be configured to emit the title.
387    /// Example: `echo -e "\e]2;New Title\007";`
388    ///
389    /// Default: true
390    pub breadcrumbs: Option<bool>,
391}
392
393#[derive(
394    Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize, JsonSchema, MergeFrom,
395)]
396#[serde(rename_all = "snake_case")]
397pub enum CondaManager {
398    /// Automatically detect the conda manager
399    #[default]
400    Auto,
401    /// Use conda
402    Conda,
403    /// Use mamba
404    Mamba,
405    /// Use micromamba
406    Micromamba,
407}
408
409#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, JsonSchema, MergeFrom)]
410#[serde(rename_all = "snake_case")]
411pub enum VenvSettings {
412    #[default]
413    Off,
414    On {
415        /// Default directories to search for virtual environments, relative
416        /// to the current working directory. We recommend overriding this
417        /// in your project's settings, rather than globally.
418        activate_script: Option<ActivateScript>,
419        venv_name: Option<String>,
420        directories: Option<Vec<PathBuf>>,
421        /// Preferred Conda manager to use when activating Conda environments.
422        ///
423        /// Default: auto
424        conda_manager: Option<CondaManager>,
425    },
426}
427#[with_fallible_options]
428pub struct VenvSettingsContent<'a> {
429    pub activate_script: ActivateScript,
430    pub venv_name: &'a str,
431    pub directories: &'a [PathBuf],
432    pub conda_manager: CondaManager,
433}
434
435impl VenvSettings {
436    pub fn as_option(&self) -> Option<VenvSettingsContent<'_>> {
437        match self {
438            VenvSettings::Off => None,
439            VenvSettings::On {
440                activate_script,
441                venv_name,
442                directories,
443                conda_manager,
444            } => Some(VenvSettingsContent {
445                activate_script: activate_script.unwrap_or(ActivateScript::Default),
446                venv_name: venv_name.as_deref().unwrap_or(""),
447                directories: directories.as_deref().unwrap_or(&[]),
448                conda_manager: conda_manager.unwrap_or(CondaManager::Auto),
449            }),
450        }
451    }
452}
453
454#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, JsonSchema, MergeFrom)]
455#[serde(untagged)]
456pub enum PathHyperlinkRegex {
457    SingleLine(String),
458    MultiLine(Vec<String>),
459}
460
461#[derive(
462    Copy,
463    Clone,
464    Debug,
465    Serialize,
466    Deserialize,
467    JsonSchema,
468    MergeFrom,
469    PartialEq,
470    Eq,
471    strum::VariantArray,
472    strum::VariantNames,
473)]
474#[serde(rename_all = "snake_case")]
475pub enum TerminalDockPosition {
476    Left,
477    Bottom,
478    Right,
479}
480
481#[derive(Clone, Copy, Debug, Default, PartialEq, Serialize, Deserialize, JsonSchema, MergeFrom)]
482#[serde(rename_all = "snake_case")]
483pub enum ActivateScript {
484    #[default]
485    Default,
486    Csh,
487    Fish,
488    Nushell,
489    PowerShell,
490    Pyenv,
491}
492
493#[cfg(test)]
494mod test {
495    use serde_json::json;
496
497    use crate::{ProjectSettingsContent, Shell};
498
499    #[test]
500    #[ignore]
501    fn test_project_settings() {
502        let project_content =
503            json!({"terminal": {"shell": {"program": "/bin/project"}}, "option_as_meta": true});
504
505        let _user_content =
506            json!({"terminal": {"shell": {"program": "/bin/user"}}, "option_as_meta": false});
507
508        let project_settings =
509            serde_json::from_value::<ProjectSettingsContent>(project_content).unwrap();
510
511        assert_eq!(
512            project_settings.terminal.unwrap().shell,
513            Some(Shell::Program("/bin/project".to_owned()))
514        );
515    }
516}