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feat: switch app icon with theme

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This commit is contained in:
lucaronin
2026-05-24 12:10:54 +02:00
parent 9ca05c1665
commit 7d6ba934c6
11 changed files with 270 additions and 6 deletions
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60
src-tauri/Cargo.lock generated
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@@ -470,6 +470,12 @@ version = "1.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
[[package]]
name = "byteorder-lite"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8f1fe948ff07f4bd06c30984e69f5b4899c516a3ef74f34df92a2df2ab535495"
[[package]]
name = "bytes"
version = "1.11.1"
@@ -1934,7 +1940,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3e795dff5605e0f04bff85ca41b51a96b83e80b281e96231bcaaf1ac35103371"
dependencies = [
"byteorder",
"png",
"png 0.17.16",
]
[[package]]
@@ -2051,6 +2057,19 @@ dependencies = [
"icu_properties",
]
[[package]]
name = "image"
version = "0.25.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "85ab80394333c02fe689eaf900ab500fbd0c2213da414687ebf995a65d5a6104"
dependencies = [
"bytemuck",
"byteorder-lite",
"moxcms",
"num-traits",
"png 0.18.1",
]
[[package]]
name = "indexmap"
version = "1.9.3"
@@ -2469,6 +2488,16 @@ dependencies = [
"windows-sys 0.61.2",
]
[[package]]
name = "moxcms"
version = "0.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bb85c154ba489f01b25c0d36ae69a87e4a1c73a72631fc6c0eb6dde34a73e44b"
dependencies = [
"num-traits",
"pxfm",
]
[[package]]
name = "muda"
version = "0.17.1"
@@ -2484,7 +2513,7 @@ dependencies = [
"objc2-core-foundation",
"objc2-foundation",
"once_cell",
"png",
"png 0.17.16",
"serde",
"thiserror 2.0.18",
"windows-sys 0.60.2",
@@ -3250,6 +3279,19 @@ dependencies = [
"miniz_oxide",
]
[[package]]
name = "png"
version = "0.18.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "60769b8b31b2a9f263dae2776c37b1b28ae246943cf719eb6946a1db05128a61"
dependencies = [
"bitflags 2.11.0",
"crc32fast",
"fdeflate",
"flate2",
"miniz_oxide",
]
[[package]]
name = "polling"
version = "3.11.0"
@@ -3392,6 +3434,12 @@ dependencies = [
"syn 1.0.109",
]
[[package]]
name = "pxfm"
version = "0.1.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e0c5ccf5294c6ccd63a74f1565028353830a9c2f5eb0c682c355c471726a6e3f"
[[package]]
name = "quick-xml"
version = "0.38.4"
@@ -4742,6 +4790,7 @@ dependencies = [
"heck 0.5.0",
"http",
"http-range",
"image",
"jni",
"libc",
"log",
@@ -4809,7 +4858,7 @@ dependencies = [
"ico",
"json-patch",
"plist",
"png",
"png 0.17.16",
"proc-macro2",
"quote",
"semver",
@@ -5290,6 +5339,9 @@ dependencies = [
"gray_matter",
"log",
"notify",
"objc2",
"objc2-app-kit",
"objc2-foundation",
"regex",
"reqwest 0.12.28",
"sentry",
@@ -5517,7 +5569,7 @@ dependencies = [
"objc2-core-graphics",
"objc2-foundation",
"once_cell",
"png",
"png 0.17.16",
"serde",
"thiserror 2.0.18",
"windows-sys 0.60.2",

7
src-tauri/Cargo.toml
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@@ -21,7 +21,7 @@ serde = { version = "1.0", features = ["derive"] }
serde_yaml = "0.9"
log = "0.4"
notify = "6.1"
tauri = { version = "2.10.0", features = ["protocol-asset", "devtools"] }
tauri = { version = "2.10.0", features = ["protocol-asset", "devtools", "image-png"] }
tauri-plugin-log = "2"
gray_matter = "0.2"
walkdir = "2"
@@ -41,4 +41,9 @@ uuid = { version = "1", features = ["v4"] }
tempfile = "3"
reqwest = { version = "0.12", default-features = false, features = ["blocking", "json", "rustls-tls"] }
[target.'cfg(target_os = "macos")'.dependencies]
objc2 = "0.6"
objc2-app-kit = { version = "0.3", default-features = false, features = ["std", "NSApplication", "NSImage"] }
objc2-foundation = { version = "0.3", default-features = false, features = ["std", "NSData", "NSThread"] }
[dev-dependencies]

BIN
src-tauri/icons/512x512-dark.png Normal file
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41
src-tauri/icons/icon-source-dark.svg Normal file
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@@ -0,0 +1,41 @@
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97
src-tauri/src/app_icon.rs Normal file
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@@ -0,0 +1,97 @@
use tauri::Manager;
const LIGHT_ICON_BYTES: &[u8] = include_bytes!("../icons/512x512.png");
const DARK_ICON_BYTES: &[u8] = include_bytes!("../icons/512x512-dark.png");
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
enum AppIconMode {
Light,
Dark,
}
impl AppIconMode {
fn parse(value: &str) -> Result<Self, String> {
match value {
"light" => Ok(Self::Light),
"dark" => Ok(Self::Dark),
_ => Err(format!("Unsupported app icon theme mode: {value}")),
}
}
fn png_bytes(self) -> &'static [u8] {
match self {
Self::Light => LIGHT_ICON_BYTES,
Self::Dark => DARK_ICON_BYTES,
}
}
}
pub fn update_app_icon_for_theme(
app_handle: &tauri::AppHandle,
theme_mode: &str,
) -> Result<(), String> {
let icon_bytes = AppIconMode::parse(theme_mode)?.png_bytes();
let image = tauri::image::Image::from_bytes(icon_bytes)
.map_err(|err| format!("Failed to decode app icon: {err}"))?;
for window in app_handle.webview_windows().into_values() {
window
.set_icon(image.clone())
.map_err(|err| format!("Failed to update window icon: {err}"))?;
}
apply_platform_app_icon(app_handle, icon_bytes)
}
#[cfg(target_os = "macos")]
fn apply_platform_app_icon(
app_handle: &tauri::AppHandle,
icon_bytes: &'static [u8],
) -> Result<(), String> {
app_handle
.run_on_main_thread(move || {
if let Err(err) = set_macos_application_icon(icon_bytes) {
log::warn!("Failed to update macOS application icon: {err}");
}
})
.map_err(|err| format!("Failed to schedule macOS app icon update: {err}"))
}
#[cfg(target_os = "macos")]
fn set_macos_application_icon(icon_bytes: &[u8]) -> Result<(), String> {
use objc2::AllocAnyThread;
use objc2_app_kit::{NSApplication, NSImage};
use objc2_foundation::{MainThreadMarker, NSData};
let marker = unsafe { MainThreadMarker::new_unchecked() };
let app = NSApplication::sharedApplication(marker);
let data = NSData::with_bytes(icon_bytes);
let app_icon = NSImage::initWithData(NSImage::alloc(), &data)
.ok_or_else(|| "Failed to create macOS app icon image".to_string())?;
unsafe { app.setApplicationIconImage(Some(&app_icon)) };
Ok(())
}
#[cfg(not(target_os = "macos"))]
fn apply_platform_app_icon(
_app_handle: &tauri::AppHandle,
_icon_bytes: &'static [u8],
) -> Result<(), String> {
Ok(())
}
#[cfg(test)]
mod tests {
use super::AppIconMode;
#[test]
fn parses_supported_icon_modes() {
assert_eq!(AppIconMode::parse("light"), Ok(AppIconMode::Light));
assert_eq!(AppIconMode::parse("dark"), Ok(AppIconMode::Dark));
}
#[test]
fn rejects_unknown_icon_modes() {
assert!(AppIconMode::parse("system").is_err());
}
}

11
src-tauri/src/commands/app_icon.rs Normal file
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@@ -0,0 +1,11 @@
#[cfg(desktop)]
#[tauri::command]
pub fn update_app_icon(app_handle: tauri::AppHandle, theme_mode: String) -> Result<(), String> {
crate::app_icon::update_app_icon_for_theme(&app_handle, &theme_mode)
}
#[cfg(mobile)]
#[tauri::command]
pub fn update_app_icon(_theme_mode: String) -> Result<(), String> {
Ok(())
}

2
src-tauri/src/commands/mod.rs
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@@ -1,4 +1,5 @@
mod ai;
mod app_icon;
mod clipboard;
mod delete;
mod folders;
@@ -14,6 +15,7 @@ mod version;
use std::borrow::Cow;
pub use ai::*;
pub use app_icon::*;
pub use clipboard::*;
pub use delete::*;
pub use folders::*;

2
src-tauri/src/lib.rs
View File

@@ -1,5 +1,6 @@
pub mod ai_agents;
pub mod ai_models;
mod app_icon;
pub mod app_updater;
pub mod claude_cli;
mod claude_invocation;
@@ -501,6 +502,7 @@ macro_rules! app_invoke_handler {
commands::get_settings,
commands::check_for_app_update,
commands::update_menu_state,
commands::update_app_icon,
commands::trigger_menu_command,
commands::update_current_window_min_size,
commands::perform_current_window_titlebar_double_click,

4
src/hooks/useThemeMode.ts
View File

@@ -7,6 +7,7 @@ import {
writeStoredThemeMode,
type ThemeMode,
} from '../lib/themeMode'
import { syncAppIconThemeMode } from '../lib/appIconTheme'
function resolveRuntimeThemeMode(themeMode: ThemeMode | null | undefined): ThemeMode {
if (themeMode) return themeMode
@@ -26,8 +27,9 @@ function writeThemeModeMirror(themeMode: ThemeMode): void {
}
function applySelectedThemeMode(themeMode: ThemeMode): void {
applyThemeSelectionToDocument(document, themeMode, currentMatchMedia())
const resolvedMode = applyThemeSelectionToDocument(document, themeMode, currentMatchMedia())
writeThemeModeMirror(themeMode)
void syncAppIconThemeMode(resolvedMode)
}
function getSystemThemeMediaQueryList(): MediaQueryList | null {

39
src/lib/appIconTheme.test.ts Normal file
View File

@@ -0,0 +1,39 @@
import { beforeEach, describe, expect, it, vi } from 'vitest'
import { syncAppIconThemeMode } from './appIconTheme'
const mocks = vi.hoisted(() => ({
invoke: vi.fn(),
isTauri: vi.fn(),
}))
vi.mock('@tauri-apps/api/core', () => ({
invoke: mocks.invoke,
}))
vi.mock('../mock-tauri', () => ({
isTauri: mocks.isTauri,
}))
describe('syncAppIconThemeMode', () => {
beforeEach(() => {
mocks.invoke.mockReset()
mocks.isTauri.mockReset()
})
it('skips browser runs', async () => {
mocks.isTauri.mockReturnValue(false)
await syncAppIconThemeMode('dark')
expect(mocks.invoke).not.toHaveBeenCalled()
})
it('sends the resolved theme mode to Tauri', async () => {
mocks.isTauri.mockReturnValue(true)
mocks.invoke.mockResolvedValue(undefined)
await syncAppIconThemeMode('dark')
expect(mocks.invoke).toHaveBeenCalledWith('update_app_icon', { themeMode: 'dark' })
})
})

13
src/lib/appIconTheme.ts Normal file
View File

@@ -0,0 +1,13 @@
import { invoke } from '@tauri-apps/api/core'
import { isTauri } from '../mock-tauri'
import type { ResolvedThemeMode } from './themeMode'
export async function syncAppIconThemeMode(themeMode: ResolvedThemeMode): Promise<void> {
if (!isTauri()) return
try {
await invoke('update_app_icon', { themeMode })
} catch (error) {
console.warn('Failed to update app icon for theme mode', error)
}
}