use crate::fallback_themes::zed_default_dark;use crate::{ Appearance, IconTheme, SyntaxTheme, Theme, ThemeRegistry, ThemeStyleContent, DEFAULT_ICON_THEME_NAME,};use anyhow::Result;use derive_more::{Deref, DerefMut};use gpui::{ px, AppContext, Font, FontFallbacks, FontFeatures, FontStyle, FontWeight, Global, Pixels, WindowContext,};use refineable::Refineable;use schemars::{ gen::SchemaGenerator, schema::{InstanceType, Schema, SchemaObject}, JsonSchema,};use serde::{Deserialize, Serialize};use serde_json::Value;use settings::{add_references_to_properties, Settings, SettingsJsonSchemaParams, SettingsSources};use std::sync::Arc;use util::ResultExt as _; const MIN_FONT_SIZE: Pixels = px(6.0);const MIN_LINE_HEIGHT: f32 = 1.0; #[derive( Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize, JsonSchema,)] /// Specifies the density of the UI./// Note: This setting is still experimental. See [this tracking issue](https://github.com/zed-industries/zed/issues/18078)#[serde(rename_all = "snake_case")]pub enum UiDensity { /// A denser UI with tighter spacing and smaller elements. #[serde(alias = "compact")] Compact, #[default] #[serde(alias = "default")] /// The default UI density. Default, #[serde(alias = "comfortable")] /// A looser UI with more spacing and larger elements. Comfortable,} impl UiDensity { /// The spacing ratio of a given density. /// TODO: Standardize usage throughout the app or remove pub fn spacing_ratio(self) -> f32 { match self { UiDensity::Compact => 0.75, UiDensity::Default => 1.0, UiDensity::Comfortable => 1.25, } }} impl From<String> for UiDensity { fn from(s: String) -> Self { match s.as_str() { "compact" => Self::Compact, "default" => Self::Default, "comfortable" => Self::Comfortable, _ => Self::default(), } }} impl From<UiDensity> for String { fn from(val: UiDensity) -> Self { match val { UiDensity::Compact => "compact".to_string(), UiDensity::Default => "default".to_string(), UiDensity::Comfortable => "comfortable".to_string(), } }} /// Customizable settings for the UI and theme system.#[derive(Clone, PartialEq)]pub struct ThemeSettings { /// The UI font size. Determines the size of text in the UI, /// as well as the size of a [gpui::Rems] unit. /// /// Changing this will impact the size of all UI elements. pub ui_font_size: Pixels, /// The font used for UI elements. pub ui_font: Font, /// The font size used for buffers, and the terminal. /// /// The terminal font size can be overridden using it's own setting. pub buffer_font_size: Pixels, /// The font used for buffers, and the terminal. /// /// The terminal font family can be overridden using it's own setting. pub buffer_font: Font, /// The line height for buffers, and the terminal. /// /// Changing this may affect the spacing of some UI elements. /// /// The terminal font family can be overridden using it's own setting. pub buffer_line_height: BufferLineHeight, /// The current theme selection. /// TODO: Document this further pub theme_selection: Option<ThemeSelection>, /// The active theme. pub active_theme: Arc<Theme>, /// Manual overrides for the active theme. /// /// Note: This setting is still experimental. See [this tracking issue](https://github.com/zed-industries/zed/issues/18078) pub theme_overrides: Option<ThemeStyleContent>, /// The active icon theme. pub active_icon_theme: Arc<IconTheme>, /// The density of the UI. /// Note: This setting is still experimental. See [this tracking issue]( pub ui_density: UiDensity, /// The amount of fading applied to unnecessary code. pub unnecessary_code_fade: f32,} impl ThemeSettings { const DEFAULT_LIGHT_THEME: &'static str = "One Light"; const DEFAULT_DARK_THEME: &'static str = "One Dark"; /// Returns the name of the default theme for the given [`Appearance`]. pub fn default_theme(appearance: Appearance) -> &'static str { match appearance { Appearance::Light => Self::DEFAULT_LIGHT_THEME, Appearance::Dark => Self::DEFAULT_DARK_THEME, } } /// Reloads the current theme. /// /// Reads the [`ThemeSettings`] to know which theme should be loaded, /// taking into account the current [`SystemAppearance`]. pub fn reload_current_theme(cx: &mut AppContext) { let mut theme_settings = ThemeSettings::get_global(cx).clone(); let system_appearance = SystemAppearance::global(cx); if let Some(theme_selection) = theme_settings.theme_selection.clone() { let mut theme_name = theme_selection.theme(*system_appearance); // If the selected theme doesn't exist, fall back to a default theme // based on the system appearance. let theme_registry = ThemeRegistry::global(cx); if theme_registry.get(theme_name).ok().is_none() { theme_name = Self::default_theme(*system_appearance); }; if let Some(_theme) = theme_settings.switch_theme(theme_name, cx) { ThemeSettings::override_global(theme_settings, cx); } } }} /// The appearance of the system.#[derive(Debug, Clone, Copy, Deref)]pub struct SystemAppearance(pub Appearance); impl Default for SystemAppearance { fn default() -> Self { Self(Appearance::Dark) }} #[derive(Deref, DerefMut, Default)]struct GlobalSystemAppearance(SystemAppearance); impl Global for GlobalSystemAppearance {} impl SystemAppearance { /// Initializes the [`SystemAppearance`] for the application. pub fn init(cx: &mut AppContext) { *cx.default_global::<GlobalSystemAppearance>() = GlobalSystemAppearance(SystemAppearance(cx.window_appearance().into())); } /// Returns the global [`SystemAppearance`]. /// /// Inserts a default [`SystemAppearance`] if one does not yet exist. pub(crate) fn default_global(cx: &mut AppContext) -> Self { cx.default_global::<GlobalSystemAppearance>().0 } /// Returns the global [`SystemAppearance`]. pub fn global(cx: &AppContext) -> Self { cx.global::<GlobalSystemAppearance>().0 } /// Returns a mutable reference to the global [`SystemAppearance`]. pub fn global_mut(cx: &mut AppContext) -> &mut Self { cx.global_mut::<GlobalSystemAppearance>() }} /// Represents the selection of a theme, which can be either static or dynamic.#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]#[serde(untagged)]pub enum ThemeSelection { /// A static theme selection, represented by a single theme name. Static(#[schemars(schema_with = "theme_name_ref")] String), /// A dynamic theme selection, which can change based the [ThemeMode]. Dynamic { /// The mode used to determine which theme to use. #[serde(default)] mode: ThemeMode, /// The theme to use for light mode. #[schemars(schema_with = "theme_name_ref")] light: String, /// The theme to use for dark mode. #[schemars(schema_with = "theme_name_ref")] dark: String, },} fn theme_name_ref(_: &mut SchemaGenerator) -> Schema { Schema::new_ref("#/definitions/ThemeName".into())} // TODO: Rename ThemeMode -> ThemeAppearanceMode/// The mode use to select a theme.////// `Light` and `Dark` will select their respective themes.////// `System` will select the theme based on the system's appearance.#[derive(Debug, PartialEq, Eq, Clone, Copy, Default, Serialize, Deserialize, JsonSchema)]#[serde(rename_all = "snake_case")]pub enum ThemeMode { /// Use the specified `light` theme. Light, /// Use the specified `dark` theme. Dark, /// Use the theme based on the system's appearance. #[default] System,} impl ThemeSelection { /// Returns the theme name for the selected [ThemeMode]. pub fn theme(&self, system_appearance: Appearance) -> &str { match self { Self::Static(theme) => theme, Self::Dynamic { mode, light, dark } => match mode { ThemeMode::Light => light, ThemeMode::Dark => dark, ThemeMode::System => match system_appearance { Appearance::Light => light, Appearance::Dark => dark, }, }, } } /// Returns the [ThemeMode] for the [ThemeSelection]. pub fn mode(&self) -> Option<ThemeMode> { match self { ThemeSelection::Static(_) => None, ThemeSelection::Dynamic { mode, .. } => Some(*mode), } }} /// Settings for rendering text in UI and text buffers.#[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]pub struct ThemeSettingsContent { /// The default font size for text in the UI. #[serde(default)] pub ui_font_size: Option<f32>, /// The name of a font to use for rendering in the UI. #[serde(default)] pub ui_font_family: Option<String>, /// The font fallbacks to use for rendering in the UI. #[serde(default)] #[schemars(default = "default_font_fallbacks")] pub ui_font_fallbacks: Option<Vec<String>>, /// The OpenType features to enable for text in the UI. #[serde(default)] #[schemars(default = "default_font_features")] pub ui_font_features: Option<FontFeatures>, /// The weight of the UI font in CSS units from 100 to 900. #[serde(default)] pub ui_font_weight: Option<f32>, /// The name of a font to use for rendering in text buffers. #[serde(default)] pub buffer_font_family: Option<String>, /// The font fallbacks to use for rendering in text buffers. #[serde(default)] #[schemars(default = "default_font_fallbacks")] pub buffer_font_fallbacks: Option<Vec<String>>, /// The default font size for rendering in text buffers. #[serde(default)] pub buffer_font_size: Option<f32>, /// The weight of the editor font in CSS units from 100 to 900. #[serde(default)] pub buffer_font_weight: Option<f32>, /// The buffer's line height. #[serde(default)] pub buffer_line_height: Option<BufferLineHeight>, /// The OpenType features to enable for rendering in text buffers. #[serde(default)] #[schemars(default = "default_font_features")] pub buffer_font_features: Option<FontFeatures>, /// The name of the Zed theme to use. #[serde(default)] pub theme: Option<ThemeSelection>, /// The name of the icon theme to use. /// /// Currently not exposed to the user. #[serde(skip)] #[serde(default)] pub icon_theme: Option<String>, /// UNSTABLE: Expect many elements to be broken. /// // Controls the density of the UI. #[serde(rename = "unstable.ui_density", default)] pub ui_density: Option<UiDensity>, /// How much to fade out unused code. #[serde(default)] pub unnecessary_code_fade: Option<f32>, /// EXPERIMENTAL: Overrides for the current theme. /// /// These values will override the ones on the current theme specified in `theme`. #[serde(rename = "experimental.theme_overrides", default)] pub theme_overrides: Option<ThemeStyleContent>,} fn default_font_features() -> Option<FontFeatures> { Some(FontFeatures::default())} fn default_font_fallbacks() -> Option<FontFallbacks> { Some(FontFallbacks::default())} impl ThemeSettingsContent { /// Sets the theme for the given appearance to the theme with the specified name. pub fn set_theme(&mut self, theme_name: String, appearance: Appearance) { if let Some(selection) = self.theme.as_mut() { let theme_to_update = match selection { ThemeSelection::Static(theme) => theme, ThemeSelection::Dynamic { mode, light, dark } => match mode { ThemeMode::Light => light, ThemeMode::Dark => dark, ThemeMode::System => match appearance { Appearance::Light => light, Appearance::Dark => dark, }, }, }; *theme_to_update = theme_name.to_string(); } else { self.theme = Some(ThemeSelection::Static(theme_name.to_string())); } } /// Sets the mode for the theme. pub fn set_mode(&mut self, mode: ThemeMode) { if let Some(selection) = self.theme.as_mut() { match selection { ThemeSelection::Static(theme) => { // If the theme was previously set to a single static theme, // we don't know whether it was a light or dark theme, so we // just use it for both. self.theme = Some(ThemeSelection::Dynamic { mode, light: theme.clone(), dark: theme.clone(), }); } ThemeSelection::Dynamic { mode: mode_to_update, .. } => *mode_to_update = mode, } } else { self.theme = Some(ThemeSelection::Dynamic { mode, light: ThemeSettings::DEFAULT_LIGHT_THEME.into(), dark: ThemeSettings::DEFAULT_DARK_THEME.into(), }); } }} /// The buffer's line height.#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, JsonSchema, Default)]#[serde(rename_all = "snake_case")]pub enum BufferLineHeight { /// A less dense line height. #[default] Comfortable, /// The default line height. Standard, /// A custom line height. /// /// A line height of 1.0 is the height of the buffer's font size. Custom(f32),} impl BufferLineHeight { /// Returns the value of the line height. pub fn value(&self) -> f32 { match self { BufferLineHeight::Comfortable => 1.618, BufferLineHeight::Standard => 1.3, BufferLineHeight::Custom(line_height) => *line_height, } }} impl ThemeSettings { /// Returns the [AdjustedBufferFontSize]. pub fn buffer_font_size(&self) -> Pixels { Self::clamp_font_size(self.buffer_font_size) } /// Ensures that the font size is within the valid range. pub fn clamp_font_size(size: Pixels) -> Pixels { size.max(MIN_FONT_SIZE) } // TODO: Rename: `line_height` -> `buffer_line_height` /// Returns the buffer's line height. pub fn line_height(&self) -> f32 { f32::max(self.buffer_line_height.value(), MIN_LINE_HEIGHT) } /// Switches to the theme with the given name, if it exists. /// /// Returns a `Some` containing the new theme if it was successful. /// Returns `None` otherwise. pub fn switch_theme(&mut self, theme: &str, cx: &mut AppContext) -> Option<Arc<Theme>> { let themes = ThemeRegistry::default_global(cx); let mut new_theme = None; if let Some(theme) = themes.get(theme).log_err() { self.active_theme = theme.clone(); new_theme = Some(theme); } self.apply_theme_overrides(); new_theme } /// Applies the theme overrides, if there are any, to the current theme. pub fn apply_theme_overrides(&mut self) { if let Some(theme_overrides) = &self.theme_overrides { let mut base_theme = (*self.active_theme).clone(); if let Some(window_background_appearance) = theme_overrides.window_background_appearance { base_theme.styles.window_background_appearance = window_background_appearance.into(); } base_theme .styles .colors .refine(&theme_overrides.theme_colors_refinement()); base_theme .styles .status .refine(&theme_overrides.status_colors_refinement()); base_theme.styles.player.merge(&theme_overrides.players); base_theme.styles.accents.merge(&theme_overrides.accents); base_theme.styles.syntax = SyntaxTheme::merge(base_theme.styles.syntax, theme_overrides.syntax_overrides()); self.active_theme = Arc::new(base_theme); } }} // TODO: Make private, change usages to use `get_ui_font_size` instead.#[allow(missing_docs)]pub fn setup_ui_font(cx: &mut WindowContext) -> gpui::Font { let (ui_font, ui_font_size) = { let theme_settings = ThemeSettings::get_global(cx);Lines 1–500 of 678. 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use crate::fallback_themes::zed_default_dark; use crate::{ Appearance, IconTheme, SyntaxTheme, Theme, ThemeRegistry, ThemeStyleContent, DEFAULT_ICON_THEME_NAME, }; use anyhow::Result; use derive_more::{Deref, DerefMut}; use gpui::{ px, AppContext, Font, FontFallbacks, FontFeatures, FontStyle, FontWeight, Global, Pixels, WindowContext, }; use refineable::Refineable; use schemars::{ gen::SchemaGenerator, schema::{InstanceType, Schema, SchemaObject}, JsonSchema, }; use serde::{Deserialize, Serialize}; use serde_json::Value; use settings::{add_references_to_properties, Settings, SettingsJsonSchemaParams, SettingsSources}; use std::sync::Arc; use util::ResultExt as _; const MIN_FONT_SIZE: Pixels = px(6.0); const MIN_LINE_HEIGHT: f32 = 1.0; #[derive( Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize, JsonSchema, )] /// Specifies the density of the UI. /// Note: This setting is still experimental. See [this tracking issue](https://github.com/zed-industries/zed/issues/18078) #[serde(rename_all = "snake_case")] pub enum UiDensity { /// A denser UI with tighter spacing and smaller elements. #[serde(alias = "compact")] Compact, #[default] #[serde(alias = "default")] /// The default UI density. Default, #[serde(alias = "comfortable")] /// A looser UI with more spacing and larger elements. Comfortable, } impl UiDensity { /// The spacing ratio of a given density. /// TODO: Standardize usage throughout the app or remove pub fn spacing_ratio(self) -> f32 { match self { UiDensity::Compact => 0.75, UiDensity::Default => 1.0, UiDensity::Comfortable => 1.25, } } } impl From<String> for UiDensity { fn from(s: String) -> Self { match s.as_str() { "compact" => Self::Compact, "default" => Self::Default, "comfortable" => Self::Comfortable, _ => Self::default(), } } } impl From<UiDensity> for String { fn from(val: UiDensity) -> Self { match val { UiDensity::Compact => "compact".to_string(), UiDensity::Default => "default".to_string(), UiDensity::Comfortable => "comfortable".to_string(), } } } /// Customizable settings for the UI and theme system. #[derive(Clone, PartialEq)] pub struct ThemeSettings { /// The UI font size. Determines the size of text in the UI, /// as well as the size of a [gpui::Rems] unit. /// /// Changing this will impact the size of all UI elements. pub ui_font_size: Pixels, /// The font used for UI elements. pub ui_font: Font, /// The font size used for buffers, and the terminal. /// /// The terminal font size can be overridden using it's own setting. pub buffer_font_size: Pixels, /// The font used for buffers, and the terminal. /// /// The terminal font family can be overridden using it's own setting. pub buffer_font: Font, /// The line height for buffers, and the terminal. /// /// Changing this may affect the spacing of some UI elements. /// /// The terminal font family can be overridden using it's own setting. pub buffer_line_height: BufferLineHeight, /// The current theme selection. /// TODO: Document this further pub theme_selection: Option<ThemeSelection>, /// The active theme. pub active_theme: Arc<Theme>, /// Manual overrides for the active theme. /// /// Note: This setting is still experimental. See [this tracking issue](https://github.com/zed-industries/zed/issues/18078) pub theme_overrides: Option<ThemeStyleContent>, /// The active icon theme. pub active_icon_theme: Arc<IconTheme>, /// The density of the UI. /// Note: This setting is still experimental. See [this tracking issue]( pub ui_density: UiDensity, /// The amount of fading applied to unnecessary code. pub unnecessary_code_fade: f32, } impl ThemeSettings { const DEFAULT_LIGHT_THEME: &'static str = "One Light"; const DEFAULT_DARK_THEME: &'static str = "One Dark"; /// Returns the name of the default theme for the given [`Appearance`]. pub fn default_theme(appearance: Appearance) -> &'static str { match appearance { Appearance::Light => Self::DEFAULT_LIGHT_THEME, Appearance::Dark => Self::DEFAULT_DARK_THEME, } } /// Reloads the current theme. /// /// Reads the [`ThemeSettings`] to know which theme should be loaded, /// taking into account the current [`SystemAppearance`]. pub fn reload_current_theme(cx: &mut AppContext) { let mut theme_settings = ThemeSettings::get_global(cx).clone(); let system_appearance = SystemAppearance::global(cx); if let Some(theme_selection) = theme_settings.theme_selection.clone() { let mut theme_name = theme_selection.theme(*system_appearance); // If the selected theme doesn't exist, fall back to a default theme // based on the system appearance. let theme_registry = ThemeRegistry::global(cx); if theme_registry.get(theme_name).ok().is_none() { theme_name = Self::default_theme(*system_appearance); }; if let Some(_theme) = theme_settings.switch_theme(theme_name, cx) { ThemeSettings::override_global(theme_settings, cx); } } } } /// The appearance of the system. #[derive(Debug, Clone, Copy, Deref)] pub struct SystemAppearance(pub Appearance); impl Default for SystemAppearance { fn default() -> Self { Self(Appearance::Dark) } } #[derive(Deref, DerefMut, Default)] struct GlobalSystemAppearance(SystemAppearance); impl Global for GlobalSystemAppearance {} impl SystemAppearance { /// Initializes the [`SystemAppearance`] for the application. pub fn init(cx: &mut AppContext) { *cx.default_global::<GlobalSystemAppearance>() = GlobalSystemAppearance(SystemAppearance(cx.window_appearance().into())); } /// Returns the global [`SystemAppearance`]. /// /// Inserts a default [`SystemAppearance`] if one does not yet exist. pub(crate) fn default_global(cx: &mut AppContext) -> Self { cx.default_global::<GlobalSystemAppearance>().0 } /// Returns the global [`SystemAppearance`]. pub fn global(cx: &AppContext) -> Self { cx.global::<GlobalSystemAppearance>().0 } /// Returns a mutable reference to the global [`SystemAppearance`]. pub fn global_mut(cx: &mut AppContext) -> &mut Self { cx.global_mut::<GlobalSystemAppearance>() } } /// Represents the selection of a theme, which can be either static or dynamic. #[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)] #[serde(untagged)] pub enum ThemeSelection { /// A static theme selection, represented by a single theme name. Static(#[schemars(schema_with = "theme_name_ref")] String), /// A dynamic theme selection, which can change based the [ThemeMode]. Dynamic { /// The mode used to determine which theme to use. #[serde(default)] mode: ThemeMode, /// The theme to use for light mode. #[schemars(schema_with = "theme_name_ref")] light: String, /// The theme to use for dark mode. #[schemars(schema_with = "theme_name_ref")] dark: String, }, } fn theme_name_ref(_: &mut SchemaGenerator) -> Schema { Schema::new_ref("#/definitions/ThemeName".into()) } // TODO: Rename ThemeMode -> ThemeAppearanceMode /// The mode use to select a theme. /// /// `Light` and `Dark` will select their respective themes. /// /// `System` will select the theme based on the system's appearance. #[derive(Debug, PartialEq, Eq, Clone, Copy, Default, Serialize, Deserialize, JsonSchema)] #[serde(rename_all = "snake_case")] pub enum ThemeMode { /// Use the specified `light` theme. Light, /// Use the specified `dark` theme. Dark, /// Use the theme based on the system's appearance. #[default] System, } impl ThemeSelection { /// Returns the theme name for the selected [ThemeMode]. pub fn theme(&self, system_appearance: Appearance) -> &str { match self { Self::Static(theme) => theme, Self::Dynamic { mode, light, dark } => match mode { ThemeMode::Light => light, ThemeMode::Dark => dark, ThemeMode::System => match system_appearance { Appearance::Light => light, Appearance::Dark => dark, }, }, } } /// Returns the [ThemeMode] for the [ThemeSelection]. pub fn mode(&self) -> Option<ThemeMode> { match self { ThemeSelection::Static(_) => None, ThemeSelection::Dynamic { mode, .. } => Some(*mode), } } } /// Settings for rendering text in UI and text buffers. #[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)] pub struct ThemeSettingsContent { /// The default font size for text in the UI. #[serde(default)] pub ui_font_size: Option<f32>, /// The name of a font to use for rendering in the UI. #[serde(default)] pub ui_font_family: Option<String>, /// The font fallbacks to use for rendering in the UI. #[serde(default)] #[schemars(default = "default_font_fallbacks")] pub ui_font_fallbacks: Option<Vec<String>>, /// The OpenType features to enable for text in the UI. #[serde(default)] #[schemars(default = "default_font_features")] pub ui_font_features: Option<FontFeatures>, /// The weight of the UI font in CSS units from 100 to 900. #[serde(default)] pub ui_font_weight: Option<f32>, /// The name of a font to use for rendering in text buffers. #[serde(default)] pub buffer_font_family: Option<String>, /// The font fallbacks to use for rendering in text buffers. #[serde(default)] #[schemars(default = "default_font_fallbacks")] pub buffer_font_fallbacks: Option<Vec<String>>, /// The default font size for rendering in text buffers. #[serde(default)] pub buffer_font_size: Option<f32>, /// The weight of the editor font in CSS units from 100 to 900. #[serde(default)] pub buffer_font_weight: Option<f32>, /// The buffer's line height. #[serde(default)] pub buffer_line_height: Option<BufferLineHeight>, /// The OpenType features to enable for rendering in text buffers. #[serde(default)] #[schemars(default = "default_font_features")] pub buffer_font_features: Option<FontFeatures>, /// The name of the Zed theme to use. #[serde(default)] pub theme: Option<ThemeSelection>, /// The name of the icon theme to use. /// /// Currently not exposed to the user. #[serde(skip)] #[serde(default)] pub icon_theme: Option<String>, /// UNSTABLE: Expect many elements to be broken. /// // Controls the density of the UI. #[serde(rename = "unstable.ui_density", default)] pub ui_density: Option<UiDensity>, /// How much to fade out unused code. #[serde(default)] pub unnecessary_code_fade: Option<f32>, /// EXPERIMENTAL: Overrides for the current theme. /// /// These values will override the ones on the current theme specified in `theme`. #[serde(rename = "experimental.theme_overrides", default)] pub theme_overrides: Option<ThemeStyleContent>, } fn default_font_features() -> Option<FontFeatures> { Some(FontFeatures::default()) } fn default_font_fallbacks() -> Option<FontFallbacks> { Some(FontFallbacks::default()) } impl ThemeSettingsContent { /// Sets the theme for the given appearance to the theme with the specified name. pub fn set_theme(&mut self, theme_name: String, appearance: Appearance) { if let Some(selection) = self.theme.as_mut() { let theme_to_update = match selection { ThemeSelection::Static(theme) => theme, ThemeSelection::Dynamic { mode, light, dark } => match mode { ThemeMode::Light => light, ThemeMode::Dark => dark, ThemeMode::System => match appearance { Appearance::Light => light, Appearance::Dark => dark, }, }, }; *theme_to_update = theme_name.to_string(); } else { self.theme = Some(ThemeSelection::Static(theme_name.to_string())); } } /// Sets the mode for the theme. pub fn set_mode(&mut self, mode: ThemeMode) { if let Some(selection) = self.theme.as_mut() { match selection { ThemeSelection::Static(theme) => { // If the theme was previously set to a single static theme, // we don't know whether it was a light or dark theme, so we // just use it for both. self.theme = Some(ThemeSelection::Dynamic { mode, light: theme.clone(), dark: theme.clone(), }); } ThemeSelection::Dynamic { mode: mode_to_update, .. } => *mode_to_update = mode, } } else { self.theme = Some(ThemeSelection::Dynamic { mode, light: ThemeSettings::DEFAULT_LIGHT_THEME.into(), dark: ThemeSettings::DEFAULT_DARK_THEME.into(), }); } } } /// The buffer's line height. #[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, JsonSchema, Default)] #[serde(rename_all = "snake_case")] pub enum BufferLineHeight { /// A less dense line height. #[default] Comfortable, /// The default line height. Standard, /// A custom line height. /// /// A line height of 1.0 is the height of the buffer's font size. Custom(f32), } impl BufferLineHeight { /// Returns the value of the line height. pub fn value(&self) -> f32 { match self { BufferLineHeight::Comfortable => 1.618, BufferLineHeight::Standard => 1.3, BufferLineHeight::Custom(line_height) => *line_height, } } } impl ThemeSettings { /// Returns the [AdjustedBufferFontSize]. pub fn buffer_font_size(&self) -> Pixels { Self::clamp_font_size(self.buffer_font_size) } /// Ensures that the font size is within the valid range. pub fn clamp_font_size(size: Pixels) -> Pixels { size.max(MIN_FONT_SIZE) } // TODO: Rename: `line_height` -> `buffer_line_height` /// Returns the buffer's line height. pub fn line_height(&self) -> f32 { f32::max(self.buffer_line_height.value(), MIN_LINE_HEIGHT) } /// Switches to the theme with the given name, if it exists. /// /// Returns a `Some` containing the new theme if it was successful. /// Returns `None` otherwise. pub fn switch_theme(&mut self, theme: &str, cx: &mut AppContext) -> Option<Arc<Theme>> { let themes = ThemeRegistry::default_global(cx); let mut new_theme = None; if let Some(theme) = themes.get(theme).log_err() { self.active_theme = theme.clone(); new_theme = Some(theme); } self.apply_theme_overrides(); new_theme } /// Applies the theme overrides, if there are any, to the current theme. pub fn apply_theme_overrides(&mut self) { if let Some(theme_overrides) = &self.theme_overrides { let mut base_theme = (*self.active_theme).clone(); if let Some(window_background_appearance) = theme_overrides.window_background_appearance { base_theme.styles.window_background_appearance = window_background_appearance.into(); } base_theme .styles .colors .refine(&theme_overrides.theme_colors_refinement()); base_theme .styles .status .refine(&theme_overrides.status_colors_refinement()); base_theme.styles.player.merge(&theme_overrides.players); base_theme.styles.accents.merge(&theme_overrides.accents); base_theme.styles.syntax = SyntaxTheme::merge(base_theme.styles.syntax, theme_overrides.syntax_overrides()); self.active_theme = Arc::new(base_theme); } } } // TODO: Make private, change usages to use `get_ui_font_size` instead. #[allow(missing_docs)] pub fn setup_ui_font(cx: &mut WindowContext) -> gpui::Font { let (ui_font, ui_font_size) = { let theme_settings = ThemeSettings::get_global(cx);