58286db90c
This PR adds a "long press" event that fires when pointing for more than 500ms. This event is used in the same way that dragging is used (e.g. to transition to from pointing_selection to translating) but only on desktop. On mobile, long presses are used to open the context menu.  ## Background This idea came out of @TodePond's #3208 PR. We use a "dead zone" to avoid accidentally moving / rotating things when clicking on them, which is especially common on mobile if a dead zone feature isn't implemented. However, this makes it difficult to make "fine adjustments" because you need to drag out of the dead zone (to start translating) and then drag back to where you want to go.  With this change, you can long press on desktop to get to that translating state. It's a micro UX optimization but especially nice if apps want to display different UI for "dragging" shapes before the user leaves the dead zone.  ### Change Type <!-- ❗ Please select a 'Scope' label ❗️ --> - [x] `sdk` — Changes the tldraw SDK - [ ] `dotcom` — Changes the tldraw.com web app - [ ] `docs` — Changes to the documentation, examples, or templates. - [ ] `vs code` — Changes to the vscode plugin - [ ] `internal` — Does not affect user-facing stuff <!-- ❗ Please select a 'Type' label ❗️ --> - [ ] `bugfix` — Bug fix - [x] `feature` — New feature - [ ] `improvement` — Improving existing features - [ ] `chore` — Updating dependencies, other boring stuff - [ ] `galaxy brain` — Architectural changes - [ ] `tests` — Changes to any test code - [ ] `tools` — Changes to infrastructure, CI, internal scripts, debugging tools, etc. - [ ] `dunno` — I don't know ### Test Plan 1. Long press shapes, selections, resize handles, rotate handles, crop handles. 2. You should enter the corresponding states, just as you would have with a drag. - [ ] Unit Tests TODO ### Release Notes - Add support for long pressing on desktop. |
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