Files
photocraft/crates/engine/src/prefs
Gert Pellin a132e37ee1 Linux: display server preference (X11 / XWayland) so file drops work
On a Wayland session dropping a file on the window does nothing: winit
0.30 (eframe 0.36) has no Wayland drag and drop (#386). The only way
out was launching with `WAYLAND_DISPLAY= photocraft`.

Add Preferences › Performance › Linux display server (auto | x11,
applies at next launch), direction 2 in #386. With x11, main.rs asks
winit for its X11 backend through eframe's event_loop_builder hook
(EventLoopBuilderExtX11::with_x11), so the window runs through XWayland
and drops work. No environment is modified (no unsafe). It only applies
when an X server is reachable (DISPLAY set); otherwise winit's default
is kept, so a missing XWayland can't stop the app from starting. Other
platforms ignore it.

The Wayland drop notice now points at the preference instead of the
environment variable (all catalogs updated).

Tests: the startup reader (x11, auto, unknown value, wrong type, broken
JSON, missing file), the notice text, prefs_usage, label translations.
Verified on KDE Plasma 6 Wayland: with x11 the window is an X11 window
(XWayland) and dropping a NEF from Dolphin opens it.
2026-10-09 16:06:12 +07:00
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