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feat: show greeter UI on all monitors, not just one (v0.8.0)
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Wayland surfaces belong to exactly one output — mirroring is not an option.
Create one full greeter window per monitor via set_monitor(), with only the
first receiving KeyboardMode::Exclusive. Removes the old wallpaper-only
secondary windows. Matches moonlock's per-monitor pattern.
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nevaforget
2026-04-08 08:48:04 +02:00
parent de97d6658e
commit f7e258d402
6 changed files with 21 additions and 35 deletions
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DECISIONS.md
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# Decisions
## 2026-04-08 – Show greeter UI on all monitors instead of just one
- **Who**: ClaudeCode, Dom
- **Why**: moonlock showed its UI on all monitors via ext-session-lock-v1, but moongreet only showed the login UI on one monitor (compositor-picked) with wallpaper-only windows on the rest. Inconsistent UX across the ecosystem.
- **Tradeoffs**: Each monitor gets its own full greeter widget tree (slightly more memory), but the UI is lightweight. Screen mirroring (e.g., wl-mirror/screencopy) was considered and rejected — it requires an external process, compositor screencopy support, adds latency, and fights Wayland's per-output model. One-window-per-monitor is the established Wayland pattern (swaylock, hyprlock, moonlock all do this).
- **How**: Create one `create_greeter_window()` per monitor with `set_monitor()`, only the first gets `KeyboardMode::Exclusive`. Removed `create_wallpaper_window()` (no longer needed). No layer shell fallback keeps single-window mode for development.
## 2026-04-06 – Restore explicit gtk-theme in moongreet config
- **Who**: ClaudeCode, Dom