Files
Ferrous-Solitaire/solitaire_engine
funman300 7a3032b74c fix(engine): scroll the modals whose content overflows the viewport
Smoke-test report: the Achievements list isn't scrollable. With 19
achievements the panel overflows the modal at the 800x600 minimum
window and the bottom rows are clipped. The same problem applies to
several other modals whose content has grown over the v0.13–v0.15
rounds.

Mirrors the existing SettingsPanelScrollable pattern from
settings_plugin: each modal's body Node gets Overflow::scroll_y()
plus a max_height (Val::Vh(70.0) for most, Val::Vh(50.0) for the
leaderboard's variable-length ranking section), a marker component
so the scroll system can find it, and a sibling system that routes
MouseWheel events into the body's ScrollPosition.

Five modals fixed:
- Achievements: 19 rows clearly overflow; AchievementsScrollable +
  scroll_achievements_panel.
- Help: ~28 reference rows overflow at 800x600; HelpScrollable +
  scroll_help_panel.
- Stats: 8-cell primary grid + per-mode bests + progression +
  weekly goals + unlocks + Time Attack readout + replay caption is
  enough content to overflow once the player has any progress;
  StatsScrollable + scroll_stats_panel.
- Profile: Sync + Progression + 14-day calendar + up to 18
  unlocked achievements + Stats summary overflows once a few
  achievements unlock; ProfileScrollable + scroll_profile_panel.
- Leaderboard: 10-row cap is at the edge of overflow on 800x600
  with long display names; LeaderboardScrollable +
  scroll_leaderboard_panel (max_height = 50vh — the ranking section
  is the only variable-length part).

Home modal NOT scrolled — five mode cards plus a Cancel button
were sized to fit at 800x600 by design and adding scroll there
would clutter the launcher.

Five new tests pin the contract: each modal's body has the
scrollable marker, a non-default max_height, and Overflow::scroll_y.

Defer-list (small UX nits surfaced during the sweep, not fixed
here):
- Modal close-on-click-outside is missing across the board; would
  need Interaction on ModalScrim in ui_modal.
- ModalButton hover doesn't set a pointer cursor.
- Tab focus on modal open is initialised on the next frame instead
  of the same frame; first Tab press selects rather than focus
  already being on the primary.

These are bigger touches than the scroll fix and don't fit a
30-LOC budget; surfacing for a follow-up round.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-05 23:30:04 +00:00
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