[client] Add light mode with system, light, and dark theme options - #7344
[client] Add light mode with system, light, and dark theme options#7344TechHutTV wants to merge 3 commits into
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Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughThe desktop client adds persisted light, dark, and system theme preferences. It resolves OS appearance changes, updates window backgrounds and native window appearance, initializes the frontend theme before first paint, and adds localized theme-setting strings. ChangesDesktop theme support
Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: 🔵 Low · up to The PR adds persisted System, Light, and Dark theme handling across the desktop UI and native windows. On Windows, System mode may briefly show a mismatch between frontend and window appearance while the OS theme is changing; this is a bounded visual risk with no identified security or data impact and is mergeable with owner awareness. Sequence Diagram(s)sequenceDiagram
participant OS as OS appearance
participant Theme as services.Theme
participant Store as preferences.Store
participant Windows as Window manager
participant Frontend as Frontend
OS->>Theme: ThemeChanged
Theme->>Store: Read current theme
Theme->>Windows: Apply effective appearance
Theme->>Frontend: Emit SystemThemeChanged
🚥 Pre-merge checks | ✅ 3 | ❌ 2❌ Failed checks (2 warnings)
✅ Passed checks (3 passed)
Full details: Description checkExplanation The description explains the feature, implementation scope, testing status, checklist, and documentation decision. However, the required issue ticket or approved discussion link is missing, and the required agreement checkbox remains unchecked for this new feature.
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Actionable comments posted: 1
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Inline comments:
In `@client/ui/frontend/index.html`:
- Around line 22-26: Update the pre-paint theme guard in the initialization
logic so the System mode derives dark mode directly from
window.matchMedia("(prefers-color-scheme: dark)").matches, without prioritizing
the cached nb-system-dark value. Leave later Go event synchronization unchanged.
🪄 Autofix
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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⛔ Files ignored due to path filters (32)
client/ui/frontend/src/app.tsxis excluded by!**/*.tsxclient/ui/frontend/src/assets/logos/netbird-full-light.svgis excluded by!**/*.svg,!**/*.svgclient/ui/frontend/src/components/Badge.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/CopyToClipboard.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/DropdownMenu.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/LanguagePicker.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/SquareIcon.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/ThemePicker.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/VerticalTabs.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/buttons/Button.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/buttons/IconButton.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/dialog/Dialog.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/inputs/Input.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/switches/FancyToggleSwitch.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/switches/SwitchItem.tsxis excluded by!**/*.tsxclient/ui/frontend/src/components/switches/ToggleSwitch.tsxis excluded by!**/*.tsxclient/ui/frontend/src/contexts/ThemeContext.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/main/MainConnectionStatusSwitch.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/main/MainExitNodeSwitcher.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/main/advanced/Navigation.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/main/advanced/networks/NetworkFilters.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/main/advanced/networks/Networks.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/main/advanced/peers/PeerDetailPanel.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/main/advanced/peers/PeerFilters.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/main/advanced/peers/Peers.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/profiles/ProfileDropdown.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/profiles/ProfilesTab.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/settings/SettingsAbout.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/settings/SettingsGeneral.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/settings/SettingsSection.tsxis excluded by!**/*.tsxclient/ui/frontend/src/modules/settings/SettingsTroubleshooting.tsxis excluded by!**/*.tsxclient/ui/frontend/tailwind.config.tsis excluded by!**/*.ts
📒 Files selected for processing (17)
client/ui/frontend/index.htmlclient/ui/frontend/src/globals.cssclient/ui/i18n/locales/de/common.jsonclient/ui/i18n/locales/en/common.jsonclient/ui/i18n/locales/es/common.jsonclient/ui/i18n/locales/fr/common.jsonclient/ui/i18n/locales/hu/common.jsonclient/ui/i18n/locales/it/common.jsonclient/ui/i18n/locales/ja/common.jsonclient/ui/i18n/locales/pt/common.jsonclient/ui/i18n/locales/ru/common.jsonclient/ui/i18n/locales/zh-CN/common.jsonclient/ui/main.goclient/ui/preferences/store.goclient/ui/services/preferences.goclient/ui/services/theme.goclient/ui/services/windowmanager.go
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1 issue found across 49 files
Prompt for AI agents (unresolved issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="client/ui/services/theme.go">
<violation number="1" location="client/ui/services/theme.go:91">
P2: Theme.apply() updates only the webview background; the Windows custom title bar, Mica backdrop, and native Dark/Light Theme are resolved once in MicrosoftWindowsAppearanceOptions() at window creation and never refreshed. A live theme toggle or OS appearance flip (System pref) therefore leaves mismatched native chrome on Windows. Re-apply the window Appearance theme for each live window (or recreate), and verify the platform API supports it before relying on it.</violation>
</file>
Tip: instead of fixing issues one by one fix them all with cubic
Re-trigger cubic
| colour := CurrentWindowBackgroundColour() | ||
| for _, w := range t.app.Window.GetAll() { | ||
| if w != nil { | ||
| w.SetBackgroundColour(colour) |
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P2: Theme.apply() updates only the webview background; the Windows custom title bar, Mica backdrop, and native Dark/Light Theme are resolved once in MicrosoftWindowsAppearanceOptions() at window creation and never refreshed. A live theme toggle or OS appearance flip (System pref) therefore leaves mismatched native chrome on Windows. Re-apply the window Appearance theme for each live window (or recreate), and verify the platform API supports it before relying on it.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At client/ui/services/theme.go, line 91:
<comment>Theme.apply() updates only the webview background; the Windows custom title bar, Mica backdrop, and native Dark/Light Theme are resolved once in MicrosoftWindowsAppearanceOptions() at window creation and never refreshed. A live theme toggle or OS appearance flip (System pref) therefore leaves mismatched native chrome on Windows. Re-apply the window Appearance theme for each live window (or recreate), and verify the platform API supports it before relying on it.</comment>
<file context>
@@ -0,0 +1,94 @@
+ colour := CurrentWindowBackgroundColour()
+ for _, w := range t.app.Window.GetAll() {
+ if w != nil {
+ w.SetBackgroundColour(colour)
+ }
+ }
</file context>
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1 existing issue remains and 1 new issue found across 9 files (changes from recent commits).
Prompt for AI agents (unresolved issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="client/ui/services/windowappearance_darwin.go">
<violation number="1" location="client/ui/services/windowappearance_darwin.go:12">
P2: When a preference update overlaps an OS appearance event, this unconditional `dispatch_async` lets an older `Theme.apply` assignment run after a newer one. Apply the appearance synchronously on the main thread, while avoiding `dispatch_sync` when already on that thread, so the native frame cannot be reordered behind the current theme.</violation>
</file>
Requires human review: Auto-approval blocked because this review re-detected 1 unresolved issue already reported by Cubic.
Fix all with cubic | Re-trigger cubic
| // forced < 0: follow the OS (appearance nil); 0: light; 1: dark. | ||
| static void nbSetWindowAppearance(void *nsWindow, int forced) { | ||
| NSWindow *window = (__bridge NSWindow *)nsWindow; | ||
| dispatch_async(dispatch_get_main_queue(), ^{ |
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P2: When a preference update overlaps an OS appearance event, this unconditional dispatch_async lets an older Theme.apply assignment run after a newer one. Apply the appearance synchronously on the main thread, while avoiding dispatch_sync when already on that thread, so the native frame cannot be reordered behind the current theme.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At client/ui/services/windowappearance_darwin.go, line 12:
<comment>When a preference update overlaps an OS appearance event, this unconditional `dispatch_async` lets an older `Theme.apply` assignment run after a newer one. Apply the appearance synchronously on the main thread, while avoiding `dispatch_sync` when already on that thread, so the native frame cannot be reordered behind the current theme.</comment>
<file context>
@@ -0,0 +1,46 @@
+// forced < 0: follow the OS (appearance nil); 0: light; 1: dark.
+static void nbSetWindowAppearance(void *nsWindow, int forced) {
+ NSWindow *window = (__bridge NSWindow *)nsWindow;
+ dispatch_async(dispatch_get_main_queue(), ^{
+ if (forced < 0) {
+ window.appearance = nil;
</file context>
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1 issue found across 4 files (changes from recent commits).
Prompt for AI agents (unresolved issues)
Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.
<file name="client/ui/services/windowappearance_windows.go">
<violation number="1" location="client/ui/services/windowappearance_windows.go:32">
P2: When the user forces Dark while Windows itself is in Light mode, `w32.SetTheme` overrides the earlier per-window dark opt-in because its menu helper gates dark mode on the OS preference. Apply the forced per-window mode after `SetTheme`, and ensure native menus use the forced mode rather than the OS-only gate.</violation>
</file>
Tip: Review your code locally with the cubic CLI to iterate faster.
Fix all with cubic | Re-trigger cubic
| if w32.AllowDarkModeForWindow != nil { | ||
| w32.AllowDarkModeForWindow(h, dark) | ||
| } | ||
| w32.SetTheme(h, dark) |
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P2: When the user forces Dark while Windows itself is in Light mode, w32.SetTheme overrides the earlier per-window dark opt-in because its menu helper gates dark mode on the OS preference. Apply the forced per-window mode after SetTheme, and ensure native menus use the forced mode rather than the OS-only gate.
Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At client/ui/services/windowappearance_windows.go, line 32:
<comment>When the user forces Dark while Windows itself is in Light mode, `w32.SetTheme` overrides the earlier per-window dark opt-in because its menu helper gates dark mode on the OS preference. Apply the forced per-window mode after `SetTheme`, and ensure native menus use the forced mode rather than the OS-only gate.</comment>
<file context>
@@ -0,0 +1,47 @@
+ if w32.AllowDarkModeForWindow != nil {
+ w32.AllowDarkModeForWindow(h, dark)
+ }
+ w32.SetTheme(h, dark)
+
+ chrome := microsoftWindowsLightTheme
</file context>
1 participant
Describe your changes
Adds a light theme to the desktop client, which is currently dark only. A new Theme setting (System / Light / Dark) lives in Settings, General, defaulting to System so existing users follow their OS appearance.
The core change makes the
nb-graypalette theme aware: the Tailwind scale now resolves through CSS variables, with a light ramp on:rootand the original dark ramp under.dark. Because existingnb-gray-*classes resolve through those variables, most of the UI follows the active theme without per component changes. Dark mode is intentionally unchanged.Changes:
themefield in the UI preferences store with aPreferences.SetThemebinding, following the existing viewMode patternservices.Theme: keeps native window background colours in step with the resolved theme, listens for OS appearance changes via WailsThemeChanged, and exposesSystemDarkMode()to the frontendThemeContexton the React side: toggles the.darkclass, syncs across windows through the preferences changed event, and mirrors state to localStorage for a pre paint guard inindex.html(no wrong theme flash on launch)Mirrors the dashboard light mode work in netbirdio/dashboard#658 so both UIs share the same ramp values.
Issue ticket number and link
Stack
Checklist
Documentation
Select exactly one:
The setting is self explanatory in the client UI and does not change any workflow, API, or configuration surface.
Docs PR URL (required if "docs added" is checked)
Paste the PR link from https://github.com/netbirdio/docs here:
https://github.com/netbirdio/docs/pull/__
Summary by CodeRabbit
New Features
Bug Fixes