{
  "version": 3,
  "sources": ["../../src/canvas/comment-tool.tsx"],
  "sourcesContent": ["import {\n\tBoxModel,\n\tEditor,\n\tStateNode,\n\tTLCommentAnchor,\n\tTLStateNodeConstructor,\n\tTLUiOverrides,\n\tVecLike,\n} from 'tldraw'\nimport { type CommentingOptions, defaultCommentingOptions, getCommentingOptions } from './options'\nimport { commentsSidebarOpen, pendingComment, regionDraft } from './state'\nimport { commentTargetShapeAt, regionPinPoint, shapeAnchorAt } from './thread-state'\n\n/** A comment being placed but not yet posted: where its composer sits and what it will anchor\n *  to. Shared between the tool (which sets it on click) and the overlay (which renders the\n *  composer) through the internal `pendingComment` atom.\n * @internal */\nexport interface PendingComment {\n\tanchor: TLCommentAnchor\n\t/** Page point where the composer opens (the click location, or a region's pin corner). */\n\tpoint: VecLike\n}\n\n/**\n * Merge configure options over a base. Shallow for scalars; `components` is merged rather than\n * replaced so chained `configure` calls layer their slots \u2014 a later `{ components: { PinContent } }`\n * doesn't drop an earlier `{ components: { CommentBody } }`.\n */\nfunction mergeCommentingOptions(\n\tbase: CommentingOptions,\n\toverrides: Partial<CommentingOptions>\n): CommentingOptions {\n\treturn {\n\t\t...base,\n\t\t...overrides,\n\t\tcomponents: { ...base.components, ...overrides.components },\n\t}\n}\n\n/** The page-space rectangle spanned by two points, normalized so w/h are non-negative. Shared by\n *  region creation (pointer-down \u2192 cursor) and corner resize (fixed corner \u2192 cursor). */\nexport function regionBetween(a: VecLike, b: VecLike): BoxModel {\n\treturn {\n\t\tx: Math.min(a.x, b.x),\n\t\ty: Math.min(a.y, b.y),\n\t\tw: Math.abs(a.x - b.x),\n\t\th: Math.abs(a.y - b.y),\n\t}\n}\n\n/**\n * The comment tool. Pressing down opens the comment composer at the pointer and it follows until\n * release \u2014 like placing a sticky note \u2014 settling on a point, or on a shape when released over one.\n * With region comments enabled, dragging past the threshold draws a region rectangle instead.\n * Placement only opens a composer; the records are created when the comment is posted. The tool\n * stays active while the composer is open \u2014 posting returns to select, and clicking elsewhere\n * re-places the composer.\n * @public\n */\nexport class CommentTool extends StateNode {\n\tstatic override id = 'comment'\n\tstatic override initial = 'idle'\n\tstatic override children(): TLStateNodeConstructor[] {\n\t\treturn [CommentIdle, CommentPointing, CommentDragging]\n\t}\n\n\t/**\n\t * Configure this tool's {@link CommentTool.options | `options`}, returning a configured subclass\n\t * to register via `tools`. Mirrors `ShapeUtil.configure`. Layers over any prior `configure`, so\n\t * calls can be chained.\n\t *\n\t * @example\n\t * ```tsx\n\t * <Tldraw tools={[CommentTool.configure({ history: 'ignore', enableClustering: false })]} />\n\t * ```\n\t */\n\tstatic configure<T extends TLStateNodeConstructor>(\n\t\tthis: T,\n\t\toptions: T extends new (...args: any[]) => { options: infer Options } ? Partial<Options> : never\n\t): T {\n\t\t// @ts-expect-error -- mirrors ShapeUtil.configure; extending `this` is sound at runtime.\n\t\treturn class extends this {\n\t\t\t// @ts-expect-error\n\t\t\toptions = mergeCommentingOptions(this.options, options)\n\t\t}\n\t}\n\n\t/**\n\t * The merged commenting options for this editor. Read from anywhere via\n\t * {@link getCommentingOptions}. Override with {@link CommentTool.configure}.\n\t */\n\toptions: CommentingOptions = defaultCommentingOptions\n\n\toverride onEnter() {\n\t\tthis.editor.setCursor({ type: 'comment', rotation: 0 })\n\t\t// Placing comments is canvas-focused \u2014 the thread list gets out of the way while the tool is\n\t\t// active. Reopened via its own control (a button), never by leaving the tool.\n\t\tcommentsSidebarOpen.set(this.editor, false)\n\t}\n\n\toverride onExit() {\n\t\t// Drop the hover hint painted while pointing at shapes (see CommentIdle). The cursor resets\n\t\t// when the next tool takes over. The draft composer and region draft belong to the tool, so\n\t\t// they leave with it; the draft's text survives in the comment draft store.\n\t\tthis.editor.setHintingShapes([])\n\t\tpendingComment.set(this.editor, null)\n\t\tregionDraft.set(this.editor, null)\n\t}\n\n\t// Escape leaves the tool, like the built-in tools (the editor dispatches `cancel` on Escape).\n\toverride onCancel() {\n\t\tthis.editor.setCurrentTool('select')\n\t}\n}\n\n/** Hint the shape a comment placed at the pointer would anchor to, using the same hit-test as the\n *  anchor resolution on release. Hinting shapes render an indicator ungated by the active tool, so\n *  this shows the select-style outline while the comment tool \u2014 not select \u2014 is active. */\nfunction updateAnchorHint(editor: Editor) {\n\tconst hit = commentTargetShapeAt(editor, editor.inputs.getCurrentPagePoint())\n\teditor.setHintingShapes(hit ? [hit.id] : [])\n}\n\nclass CommentIdle extends StateNode {\n\tstatic override id = 'idle'\n\n\toverride onEnter() {\n\t\t// Back to hovering: restore the pin cursor (a prior placing state may have hidden it).\n\t\tthis.editor.setCursor({ type: 'comment', rotation: 0 })\n\t\t// With a region composer open, a shape outline under its pin corner would imply a shape\n\t\t// anchor the region will never use \u2014 and it would stick, since moves over the composer\n\t\t// never reach the canvas. Point placements keep the hint: it previews the next click.\n\t\tif (pendingComment.get(this.editor)?.anchor.type === 'region') {\n\t\t\tthis.editor.setHintingShapes([])\n\t\t} else {\n\t\t\tupdateAnchorHint(this.editor)\n\t\t}\n\t}\n\n\toverride onPointerMove() {\n\t\tupdateAnchorHint(this.editor)\n\t}\n\n\toverride onPointerDown() {\n\t\tthis.parent.transition('pointing')\n\t}\n}\n\nclass CommentPointing extends StateNode {\n\tstatic override id = 'pointing'\n\n\toverride onEnter() {\n\t\t// Open the composer immediately at the press point so it's visible from pointer-down (not just\n\t\t// on release), and let it trail the pointer while dragging \u2014 like placing a sticky note. The\n\t\t// anchor is a bare point for now; it's resolved (shape or point) on pointer up.\n\t\tconst { editor } = this\n\t\t// Hide the cursor while placing: the draft composer is the pointer's stand-in now, so the pin\n\t\t// cursor sitting over it just reads as clutter.\n\t\teditor.setCursor({ type: 'none', rotation: 0 })\n\t\tconst point = editor.inputs.getCurrentPagePoint()\n\t\tpendingComment.set(editor, {\n\t\t\tanchor: { type: 'point', x: point.x, y: point.y },\n\t\t\tpoint: { x: point.x, y: point.y },\n\t\t})\n\t}\n\n\toverride onPointerMove() {\n\t\tconst { editor } = this\n\t\t// Once the pointer passes the drag threshold with region comments enabled, this is a region,\n\t\t// not a follow \u2014 hand off to the region drag (which clears this composer and draws the box).\n\t\tif (getCommentingOptions(editor).enableRegions && editor.inputs.getIsDragging()) {\n\t\t\tthis.parent.transition('dragging')\n\t\t\treturn\n\t\t}\n\t\t// Otherwise the composer trails the pointer \u2014 keep hinting the shape a release here would\n\t\t// anchor to, like the idle hover does.\n\t\tupdateAnchorHint(editor)\n\t\tconst point = editor.inputs.getCurrentPagePoint()\n\t\tpendingComment.update(editor, (p) => (p ? { ...p, point: { x: point.x, y: point.y } } : p))\n\t}\n\n\t// Settle where the pointer is released: anchor to the shape under it, or drop a point.\n\toverride onPointerUp() {\n\t\tconst { editor } = this\n\t\tconst point = editor.inputs.getCurrentPagePoint()\n\t\tconst hit = commentTargetShapeAt(editor, point)\n\t\tconst anchor: TLCommentAnchor = hit\n\t\t\t? shapeAnchorAt(\n\t\t\t\t\teditor,\n\t\t\t\t\thit.id,\n\t\t\t\t\tpoint,\n\t\t\t\t\tgetCommentingOptions(editor).shouldBePrecise(editor, {\n\t\t\t\t\t\tshapeId: hit.id,\n\t\t\t\t\t\tpoint,\n\t\t\t\t\t\taltKey: editor.inputs.getAltKey(),\n\t\t\t\t\t})\n\t\t\t\t)\n\t\t\t: { type: 'point', x: point.x, y: point.y }\n\t\tpendingComment.set(editor, { anchor, point: { x: point.x, y: point.y } })\n\t\t// Stay in the tool while the composer is open \u2014 the interaction isn't over until the\n\t\t// comment is posted or dismissed, and staying keeps the surrounding UI (style panel,\n\t\t// sidebar) from churning mid-placement.\n\t\tthis.parent.transition('idle')\n\t}\n\n\toverride onCancel() {\n\t\tthis.cancel()\n\t}\n\n\toverride onInterrupt() {\n\t\tthis.cancel()\n\t}\n\n\t// Abandon the follow composer if placement is interrupted (Escape, focus loss, etc.). The\n\t// tool's onExit drops the draft.\n\tprivate cancel() {\n\t\tthis.editor.setCurrentTool('select')\n\t}\n}\n\nclass CommentDragging extends StateNode {\n\tstatic override id = 'dragging'\n\n\toverride onEnter() {\n\t\t// A region drag supersedes the point-follow composer opened in `pointing`. Show a crosshair again,\n\t\t// since the composer no longer stands in for the pointer, and drop the placement hint \u2014 a region\n\t\t// anchors to its rectangle, so a single-shape outline would be stale.\n\t\tpendingComment.set(this.editor, null)\n\t\tthis.editor.setHintingShapes([])\n\t\tthis.editor.setCursor({ type: 'cross', rotation: 0 })\n\t\tthis.updateDraft()\n\t}\n\n\toverride onPointerMove() {\n\t\tthis.updateDraft()\n\t}\n\n\t// Commit the dragged rectangle as a region anchor; the composer opens at its pin corner.\n\toverride onPointerUp() {\n\t\tconst { editor } = this\n\t\tconst origin = editor.inputs.getOriginPagePoint()\n\t\tconst current = editor.inputs.getCurrentPagePoint()\n\t\tconst region = regionBetween(origin, current)\n\t\t// The pin lives on the corner the drag released on \u2014 drag up-left, pin top-left.\n\t\tconst pin = { x: current.x >= origin.x ? 1 : 0, y: current.y >= origin.y ? 1 : 0 }\n\t\tregionDraft.set(editor, null)\n\t\tpendingComment.set(editor, {\n\t\t\tanchor: { type: 'region', ...region, pinX: pin.x, pinY: pin.y },\n\t\t\tpoint: regionPinPoint(region, pin),\n\t\t})\n\t\t// Same as the point placement: the tool stays active while the composer is open.\n\t\tthis.parent.transition('idle')\n\t}\n\n\toverride onCancel() {\n\t\tthis.cancel()\n\t}\n\n\toverride onInterrupt() {\n\t\tthis.cancel()\n\t}\n\n\tprivate updateDraft() {\n\t\tconst { editor } = this\n\t\tregionDraft.set(\n\t\t\teditor,\n\t\t\tregionBetween(editor.inputs.getOriginPagePoint(), editor.inputs.getCurrentPagePoint())\n\t\t)\n\t}\n\n\t// The tool's onExit drops the region draft.\n\tprivate cancel() {\n\t\tthis.editor.setCurrentTool('select')\n\t}\n}\n\n/** @public */\nexport const commentTools = [CommentTool]\n\n/** Registers the comment tool in the UI (icon, label, shortcut). Compose into your overrides.\n *  Once registered, tldraw's `DefaultQuickActionsContent` shows the comment button.\n * @public */\nexport const commentToolOverrides: TLUiOverrides = {\n\ttools(editor, tools) {\n\t\ttools.comment = {\n\t\t\tid: 'comment',\n\t\t\ticon: 'comment',\n\t\t\tlabel: 'Comment',\n\t\t\tkbd: 'c',\n\t\t\tonSelect: () => editor.setCurrentTool('comment'),\n\t\t}\n\t\treturn tools\n\t},\n}\n"],
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