client/ui: use monochrome tray icons on Linux

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Linux now shows monochrome (black/white silhouette) tray icons instead
of the colored orange PNGs, matching the macOS template look. Since
Wails' Linux SNI backend ignores SetDarkModeIcon (its setDarkModeIcon
just calls setIcon, last-write-wins) and the SNI spec carries no panel
light/dark hint, the panel color scheme is detected in-process and the
black-vs-white silhouette is chosen in iconForState, pushed via a single
SetIcon.

Detection order (tray_theme_linux.go): freedesktop Settings portal
(org.freedesktop.appearance/color-scheme) -> GTK_THEME env (:dark
suffix) -> default dark. A SettingChanged subscription repaints live on
theme flips. macOS (template) and Windows (colored) paths are unchanged.

Icons are 48x48 mono PNGs (3% margin) generated from the macOS
silhouettes.

...

This commit is contained in:

Zoltán Papp

2026-06-01 20:23:46 +02:00

parent 5bebecc427

commit 4cee07bef5

20 changed files with 364 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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