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feat(grip): Esc cancels an in-progress grip drag

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The grip drag mutates the document live (so grips and the properties panel
track the cursor), which meant Esc left the entity at its dragged position.
Back up the edited entity when the drag starts (the same first-move point
that hides it for the overlay preview) and, on Esc, restore that backup
before un-hiding and re-tessellating — reverting the entity to where it was
when the drag began. A normal release drops the backup and keeps the
dragged geometry.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Hakan Seven 2026-06-05 10:44:31 +03:00
commit 55022ae60e
2 changed files with 22 additions and 5 deletions
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6
src/app/mod.rs
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@ -237,6 +237,11 @@ pub(super) struct OpenCADStudio {
/// updates only the overlay rather than re-tessellating the whole model.
/// Committed (un-hidden + one re-tess) when the drag ends. `None` = idle.
grip_preview_handle: Option<acadrust::Handle>,
/// Snapshot of the edited entity taken at the start of a grip drag, used to
/// restore it if the user presses Esc to cancel the drag. The drag mutates
/// the document live (so grips / properties track), so cancel reverts from
/// this backup. Dropped (kept) on a normal commit.
grip_original: Option<acadrust::EntityType>,
/// Open Quick Select panel state. `None` = panel closed. Filters are
/// applied via `Message::QSelectApply`; the panel is dismissed on
/// Apply / Cancel / Esc / outside-click.
@ -1279,6 +1284,7 @@ impl OpenCADStudio {
grip_pending: None,
grip_add_provisional: None,
grip_preview_handle: None,
grip_original: None,
qselect: None,
show_ucs_icon: true,
show_viewcube: true,