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chore: revamp theme

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reya
2025-05-07 14:12:31 +07:00
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commit 2f83b5091e
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crates/theme/src/lib.rs Normal file
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use std::ops::{Deref, DerefMut};
use colors::{brand, hsl, neutral};
use gpui::{black, px, white, App, Global, Hsla, Pixels, SharedString, Window, WindowAppearance};
mod colors;
mod scale;
pub fn init(cx: &mut App) {
Theme::sync_system_appearance(None, cx);
}
#[derive(Debug, Clone, Copy, Default)]
pub struct ThemeColor {
/// Border color. Used for most borders, is usually a high contrast color.
pub border: Hsla,
/// Border color. Used for deemphasized borders, like a visual divider between two sections
pub border_variant: Hsla,
/// Border color. Used for focused elements, like keyboard focused list item.
pub border_focused: Hsla,
/// Border color. Used for selected elements, like an active search filter or selected checkbox.
pub border_selected: Hsla,
/// Border color. Used for transparent borders. Used for placeholder borders when an element gains a border on state change.
pub border_transparent: Hsla,
/// Border color. Used for disabled elements, like a disabled input or button.
pub border_disabled: Hsla,
/// Background color. Used for elevated surfaces, like a context menu, popup, or dialog.
pub elevated_surface_background: Hsla,
/// Background color. Used for grounded surfaces like a panel or tab.
pub surface_background: Hsla,
/// Background color. Used for the app background and blank panels or windows.
pub background: Hsla,
/// Text color. Used for the foreground of an element.
pub element_foreground: Hsla,
/// Background color. Used for the background of an element that should have a different background than the surface it's on.
///
/// Elements might include: Buttons, Inputs, Checkboxes, Radio Buttons...
///
/// For an element that should have the same background as the surface it's on, use `ghost_element_background`.
pub element_background: Hsla,
/// Background color. Used for the hover state of an element that should have a different background than the surface it's on.
///
/// Hover states are triggered by the mouse entering an element, or a finger touching an element on a touch screen.
pub element_hover: Hsla,
/// Background color. Used for the active state of an element that should have a different background than the surface it's on.
///
/// Active states are triggered by the mouse button being pressed down on an element, or the Return button or other activator being pressed.
pub element_active: Hsla,
/// Background color. Used for the selected state of an element that should have a different background than the surface it's on.
///
/// Selected states are triggered by the element being selected (or "activated") by the user.
///
/// This could include a selected checkbox, a toggleable button that is toggled on, etc.
pub element_selected: Hsla,
/// Background Color. Used for the disabled state of a element that should have a different background than the surface it's on.
///
/// Disabled states are shown when a user cannot interact with an element, like a disabled button or input.
pub element_disabled: Hsla,
/// Background color. Used for the area that shows where a dragged element will be dropped.
pub drop_target_background: Hsla,
/// Used for the background of a ghost element that should have the same background as the surface it's on.
///
/// Elements might include: Buttons, Inputs, Checkboxes, Radio Buttons...
///
/// For an element that should have a different background than the surface it's on, use `element_background`.
pub ghost_element_background: Hsla,
/// Background Color. Used for the hover state of a ghost element that should have the same background as the surface it's on.
///
/// Hover states are triggered by the mouse entering an element, or a finger touching an element on a touch screen.
pub ghost_element_hover: Hsla,
/// Background Color. Used for the active state of a ghost element that should have the same background as the surface it's on.
///
/// Active states are triggered by the mouse button being pressed down on an element, or the Return button or other activator being pressed.
pub ghost_element_active: Hsla,
/// Background Color. Used for the selected state of a ghost element that should have the same background as the surface it's on.
///
/// Selected states are triggered by the element being selected (or "activated") by the user.
///
/// This could include a selected checkbox, a toggleable button that is toggled on, etc.
pub ghost_element_selected: Hsla,
/// Background Color. Used for the disabled state of a ghost element that should have the same background as the surface it's on.
///
/// Disabled states are shown when a user cannot interact with an element, like a disabled button or input.
pub ghost_element_disabled: Hsla,
/// Text color. Default text color used for most text.
pub text: Hsla,
/// Text color. Color of muted or deemphasized text. It is a subdued version of the standard text color.
pub text_muted: Hsla,
/// Text color. Color of the placeholder text typically shown in input fields to guide the user to enter valid data.
pub text_placeholder: Hsla,
/// Text color. Color used for emphasis or highlighting certain text, like an active filter or a matched character in a search.
pub text_accent: Hsla,
/// Fill color. Used for the default fill color of an icon.
pub icon: Hsla,
/// Fill color. Used for the muted or deemphasized fill color of an icon.
///
/// This might be used to show an icon in an inactive pane, or to deemphasize a series of icons to give them less visual weight.
pub icon_muted: Hsla,
/// Fill color. Used for the accent fill color of an icon.
///
/// This might be used to show when a toggleable icon button is selected.
pub icon_accent: Hsla,
/// The color of the scrollbar thumb.
pub scrollbar_thumb_background: Hsla,
/// The color of the scrollbar thumb when hovered over.
pub scrollbar_thumb_hover_background: Hsla,
/// The border color of the scrollbar thumb.
pub scrollbar_thumb_border: Hsla,
/// The background color of the scrollbar track.
pub scrollbar_track_background: Hsla,
/// The border color of the scrollbar track.
pub scrollbar_track_border: Hsla,
/// Background color. Used for the background of a panel
pub panel_background: Hsla,
/// Border color. Used for outline border.
pub ring: Hsla,
/// Background color. Used for inactive tab.
pub tab_inactive_background: Hsla,
/// Background color. Used for hovered tab.
pub tab_hover_background: Hsla,
/// Background color. Used for active tab.
pub tab_active_background: Hsla,
/// Background color. Used for Title Bar.
pub title_bar: Hsla,
/// Border color. Used for Title Bar.
pub title_bar_border: Hsla,
/// Background color. Used for modal's overlay.
pub overlay: Hsla,
/// Window border color.
///
/// # Platform specific:
///
/// This is only works on Linux, other platforms we can't change the window border color.
pub window_border: Hsla,
}
/// The default colors for the theme.
///
/// Themes that do not specify all colors are refined off of these defaults.
impl ThemeColor {
/// Returns the default colors for light themes.
///
/// Themes that do not specify all colors are refined off of these defaults.
pub fn light() -> Self {
Self {
border: neutral().light().step_6(),
border_variant: neutral().light().step_5(),
border_focused: brand().light().step_7(),
border_selected: brand().light().step_7(),
border_transparent: gpui::transparent_black(),
border_disabled: neutral().light().step_3(),
elevated_surface_background: neutral().light().step_3(),
surface_background: neutral().light().step_2(),
background: neutral().light().step_1(),
element_foreground: brand().light().step_12(),
element_background: brand().light().step_9(),
element_hover: brand().light_alpha().step_10(),
element_active: brand().light().step_10(),
element_selected: brand().light().step_10(),
element_disabled: brand().light_alpha().step_3(),
drop_target_background: brand().light_alpha().step_2(),
ghost_element_background: gpui::transparent_black(),
ghost_element_hover: neutral().light_alpha().step_3(),
ghost_element_active: neutral().light_alpha().step_4(),
ghost_element_selected: neutral().light_alpha().step_5(),
ghost_element_disabled: neutral().light_alpha().step_3(),
text: neutral().light().step_12(),
text_muted: neutral().light().step_11(),
text_placeholder: neutral().light().step_10(),
text_accent: brand().light().step_11(),
icon: neutral().light().step_11(),
icon_muted: neutral().light().step_10(),
icon_accent: brand().light().step_11(),
scrollbar_thumb_background: neutral().light_alpha().step_3(),
scrollbar_thumb_hover_background: neutral().light_alpha().step_4(),
scrollbar_thumb_border: gpui::transparent_black(),
scrollbar_track_background: gpui::transparent_black(),
scrollbar_track_border: neutral().light().step_5(),
panel_background: white(),
ring: brand().light().step_8(),
tab_active_background: neutral().light().step_5(),
tab_hover_background: neutral().light().step_4(),
tab_inactive_background: neutral().light().step_3(),
title_bar: gpui::transparent_black(),
title_bar_border: gpui::transparent_black(),
overlay: neutral().light_alpha().step_3(),
window_border: hsl(240.0, 5.9, 78.0),
}
}
/// Returns the default colors for dark themes.
///
/// Themes that do not specify all colors are refined off of these defaults.
pub fn dark() -> Self {
Self {
border: neutral().dark().step_6(),
border_variant: neutral().dark().step_5(),
border_focused: brand().dark().step_7(),
border_selected: brand().dark().step_7(),
border_transparent: gpui::transparent_black(),
border_disabled: neutral().light().step_3(),
elevated_surface_background: neutral().dark().step_3(),
surface_background: neutral().dark().step_2(),
background: neutral().dark().step_1(),
element_foreground: brand().dark().step_12(),
element_background: brand().dark().step_9(),
element_hover: brand().dark_alpha().step_10(),
element_active: brand().dark().step_10(),
element_selected: brand().dark().step_10(),
element_disabled: brand().dark_alpha().step_3(),
drop_target_background: brand().dark_alpha().step_2(),
ghost_element_background: gpui::transparent_black(),
ghost_element_hover: neutral().dark_alpha().step_3(),
ghost_element_active: neutral().dark_alpha().step_4(),
ghost_element_selected: neutral().dark_alpha().step_5(),
ghost_element_disabled: neutral().dark_alpha().step_3(),
text: neutral().dark().step_12(),
text_muted: neutral().dark().step_11(),
text_placeholder: neutral().dark().step_10(),
text_accent: brand().dark().step_11(),
icon: neutral().dark().step_11(),
icon_muted: neutral().dark().step_10(),
icon_accent: brand().dark().step_11(),
scrollbar_thumb_background: neutral().dark_alpha().step_3(),
scrollbar_thumb_hover_background: neutral().dark_alpha().step_4(),
scrollbar_thumb_border: gpui::transparent_black(),
scrollbar_track_background: gpui::transparent_black(),
scrollbar_track_border: neutral().dark().step_5(),
panel_background: black(),
ring: brand().dark().step_8(),
tab_active_background: neutral().dark().step_5(),
tab_hover_background: neutral().dark().step_4(),
tab_inactive_background: neutral().dark().step_3(),
title_bar: gpui::transparent_black(),
title_bar_border: gpui::transparent_black(),
overlay: neutral().dark_alpha().step_3(),
window_border: hsl(240.0, 3.7, 28.0),
}
}
}
pub trait ActiveTheme {
fn theme(&self) -> &Theme;
}
impl ActiveTheme for App {
#[inline(always)]
fn theme(&self) -> &Theme {
Theme::global(self)
}
}
#[derive(Debug, Clone, Copy, Default, PartialEq, PartialOrd, Eq, Hash)]
pub enum ThemeMode {
Light,
#[default]
Dark,
}
impl ThemeMode {
pub fn is_dark(&self) -> bool {
matches!(self, Self::Dark)
}
/// Return lower_case theme name: `light`, `dark`.
pub fn name(&self) -> &'static str {
match self {
ThemeMode::Light => "light",
ThemeMode::Dark => "dark",
}
}
}
impl From<WindowAppearance> for ThemeMode {
fn from(appearance: WindowAppearance) -> Self {
match appearance {
WindowAppearance::Dark | WindowAppearance::VibrantDark => Self::Dark,
WindowAppearance::Light | WindowAppearance::VibrantLight => Self::Light,
}
}
}
#[derive(Debug, Clone)]
pub struct Theme {
pub colors: ThemeColor,
pub mode: ThemeMode,
pub font_family: SharedString,
pub font_size: Pixels,
pub radius: Pixels,
}
impl Deref for Theme {
type Target = ThemeColor;
fn deref(&self) -> &Self::Target {
&self.colors
}
}
impl DerefMut for Theme {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.colors
}
}
impl Global for Theme {}
impl Theme {
/// Returns the global theme reference
pub fn global(cx: &App) -> &Theme {
cx.global::<Theme>()
}
/// Returns the global theme mutable reference
pub fn global_mut(cx: &mut App) -> &mut Theme {
cx.global_mut::<Theme>()
}
/// Returns true if the theme is dark.
pub fn is_dark(&self) -> bool {
self.mode.is_dark()
}
/// Sync the theme with the system appearance
pub fn sync_system_appearance(window: Option<&mut Window>, cx: &mut App) {
let appearance = window
.as_ref()
.map(|window| window.appearance())
.unwrap_or_else(|| cx.window_appearance());
Self::change(appearance, window, cx);
}
pub fn change(mode: impl Into<ThemeMode>, window: Option<&mut Window>, cx: &mut App) {
let mode = mode.into();
let colors = match mode {
ThemeMode::Light => ThemeColor::light(),
ThemeMode::Dark => ThemeColor::dark(),
};
if !cx.has_global::<Theme>() {
let theme = Theme::from(colors);
cx.set_global(theme);
}
let theme = cx.global_mut::<Theme>();
theme.mode = mode;
theme.colors = colors;
if let Some(window) = window {
window.refresh();
}
}
}
impl From<ThemeColor> for Theme {
fn from(colors: ThemeColor) -> Self {
let mode = ThemeMode::default();
Theme {
font_size: px(15.),
font_family: if cfg!(target_os = "macos") {
".SystemUIFont".into()
} else if cfg!(target_os = "windows") {
"Segoe UI".into()
} else {
"FreeMono".into()
},
radius: px(5.),
mode,
colors,
}
}
}