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feat(app): persist window geometry across launches

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Settings gains an optional window_geometry field (size + position)
serialized via #[serde(default)] so legacy settings.json files without
the field deserialize cleanly to None. On launch the app restores
the persisted dimensions and position; first run and pre-upgrade
saves keep the existing 1280x800 centered default.

settings_plugin records changes from WindowResized and WindowMoved
into a PendingWindowGeometry resource and writes them to disk through
the existing atomic .tmp+rename path once the events have stayed
quiet for WINDOW_GEOMETRY_DEBOUNCE_SECS (0.5s). A merge_geometry
helper preserves whichever component (size or position) the latest
event burst didn't carry, so a position-only WindowMoved never wipes
the recorded size.

Pure should_persist_geometry and merge_geometry helpers are unit
tested for the boundary cases. Headless integration tests cover the
full flow: a single resize event then a quiet window persists, a
move event after a resize updates only position, a rapid storm
collapses to the final size, and a quiet frame with no events
leaves the geometry untouched.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
funman300
2026-05-01 02:17:54 +00:00
parent 59316de1e9
commit 6e7705b256
5 changed files with 420 additions and 6 deletions
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solitaire_engine/src/lib.rs
+2 -1
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@@ -93,7 +93,8 @@ pub use onboarding_plugin::{OnboardingPlugin, OnboardingScreen};
pub use pause_plugin::{ForfeitConfirmScreen, PausePlugin, PauseScreen, PausedResource};
pub use profile_plugin::{ProfilePlugin, ProfileScreen};
pub use settings_plugin::{
SettingsChangedEvent, SettingsPlugin, SettingsResource, SettingsScreen, SFX_STEP,
PendingWindowGeometry, SettingsChangedEvent, SettingsPlugin, SettingsResource, SettingsScreen,
SFX_STEP, WINDOW_GEOMETRY_DEBOUNCE_SECS,
};
pub use layout::{compute_layout, Layout, LayoutResource};
pub use resources::{DragState, GameStateResource, HintCycleIndex, SettingsScrollPos, SyncStatus, SyncStatusResource};