ImVec4: 4D vector used to store clipping rectangles, colors etc. [Compile-time configurable type]

Helper: ImVec2ih (2D vector, half-size integer, for long-term packed storage)

Coordinates of a rectangle within a texture.

Helper: ImVec2i (2D vector, integer)

Helper for key->value storage (container sorted by key)

Simplified structure to mimic a Document model

Baked data for a ImFont at a given size.

Storage for one type registered in the .ini file

Creates a scoped object that will push the pair of style and color passed in the constructor It will pop the correct number of time when the object is

[fs.path.itr] iterators

A Platform Window (always 1 unless multi-viewport are enabled. One per platform window to output to). In the future may represent Platform Monitor

Temporary storage for one window (that's the data which in theory we could ditch at the end of the frame, in practice we currently keep it for each wi

Anything else in the source nodes of 'node_remap_pairs' are windows that are not included in the remapping list. Find those windows and move to them t

EditorSettings contains all the editor variables we want to persist between sessions

Forward declarations: ImDrawList, ImFontAtlas layer

Temporary storage to output draw commands out of order, used by ImDrawListSplitter and ImDrawList::ChannelsSplit()

All draw command lists required to render the frame + pos/size coordinates to use for the projection matrix.

Helper to build a ImDrawData instance

Output of ImFontAtlas::GetCustomRect() when using custom rectangles.

Stacked storage data for BeginGroup()/EndGroup()

Routing table entry (sizeof() == 16 bytes)

Temporary clipper data, buffers shared/reused between instances

Storage data for a single column for legacy Columns() api

Style variable information (e.g. to access style variables from an enum)

Storage for a tab bar

Storage for TableAngledHeadersRow()

sizeof() ~ 16

Storage for one column of a table

Temporary storage for one table (one per table in the stack), shared between tables.

Storage for GetTypingSelectRequest() (aimed to be public)

Common to all stages, the perpective and ortho cams

One set of sheets per stage. Each sheets contains nodes which are representations of prims

ValidationState keeps the progress of the validation workflow per stage.

---------- UI -------------------------------------------------------------

ImGui chat panel that talks to the agent on a background thread. Lifetime: created lazily by Editor when the user first toggles the panel on. All sta

Drives the ReAct loop: send conversation → if model returns a tool call, dispatch it through UsdToolDispatcher, append the result, send again. Stops w

Implements the Anthropic Messages API (POST /v1/messages). Wire-format peculiarities vs OpenAI: - The system prompt is a top-level string field, NOT

One composition/API arc of a prim: a flat map of full field name → value (REFERENCE.ASSET, VARIANT.SET, REFERENCE.OP, …). API arcs additionally carry

One arc/list item as targeted by an ADD/REMOVE clause — the identity fields only (design-mutation §4). `asset` holds a REFERENCE/PAYLOAD asset path, a

One `ADD <family> "value" [PRIM_PATH "/p"]` or `REMOVE <family> ["value" [PRIM_PATH "/p"]]` clause of an UPDATE statement — arc & list-op mutation (de

A query that has passed binding and is ready to execute.

--- 2. Layout each connected component --- For each component: group by type, run Sugiyama per type group, stack type groups vertically. Returns compo

Root + sublayer + referenced asset layer all author one composed prim — the "wherever it's authored" fixture (§2.1).