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Brandon ThomasandClaude Opus 5.5
b9851d9329
Fix-ups in the merge (review): uniform-width and highlighter strokes are drawn as one path (on the slide and in the live preview) so see-through ink doesn't darken where segments overlap; segment pairs are destructured instead of indexed; tests that build pointer events set the new pressure field. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
4.7 KiB
4.7 KiB
Control protocol
Start the app with --control <port>. The server listens on 127.0.0.1 only and speaks JSON
lines: one request object per line, one reply per line.
The server bounds what a client can hold: 16 connections at once (more get {"ok":false,"error":"busy: …"}
and are closed), 16 MiB per request line (longer closes the connection), 64 queued requests (more are
answered busy), 10 minutes idle and 30 seconds per blocked reply write before the socket is closed, and
60 seconds waiting for the UI ("error":"timeout").
{"id": 1, "method": "engine.execute", "params": {"command": "shape.insert", "params": {"preset": "roundRect", "rect": [100, 100, 240, 120], "text": "Hello"}}}
{"id": 1, "ok": true, "result": {"id": 258}}
Coordinates are slide points (1/72 inch; a 16:9 slide is 960 × 540) unless noted.
| Method | Params | What it does |
|---|---|---|
engine.execute / ui.menu.invoke / command |
{command, params} |
Run any command (see engine.commands; deckcraft-cli describe ID documents one) |
engine.commands |
— | Every command: id, label, menu path, shortcut, params doc, enabled / disabled reason |
document.inspect |
— | Slides, sections, layouts, shapes, selection |
ui.inspect |
— | UI state, active tool, window/canvas/slide rects, dialog, home (the File tab open over a presentation), backstage (its page, also the start screen), slide show state (grid, zoomArm, zoom, blank, presenterPaused, presenterSecs, notesPx, custom, goto; cells while See All Slides is open), documents, perf (fps, render ms) |
ui.inspect |
— | UI state, active tool, window/canvas/slide rects, dialog, home (the File tab open over a presentation), backstage (its page, also the start screen), slide show state, animPreview (canvas playback: slide, time, duration), documents, perf (fps, render ms) |
ui.tool.select |
{tool, preset?} |
select, text, shape + preset, any preset name, curve, freeform, scribble, pen, highlighter, eraser |
ui.pointer |
{events: [{kind: down|drag|up|move|doubleclick|tripleclick|contextclick, x, y, mods?}], mods?} |
Drive the active tool in slide points through the same code path as the mouse (contextclick: the right-button press that selects before the context menu) |
ui.key / ui.text |
{key, shift?, alt?, cmd?} / {text} |
Keyboard input (also drives a running slide show: digits then Enter go to that slide, G is See All Slides, Z arms zoom, T pauses the presenter timer, R resets it, [ and ] change notes size, Esc clears a slide number, the grid and zoom before it leaves the show) |
ui.pointer |
{events: [{kind: down|drag|up|move|doubleclick|tripleclick, x, y, mods?}], mods?} |
Drive the active tool in slide points through the same code path as the mouse |
ui.key / ui.text |
{key, shift?, alt?, cmd?} / {text} |
Keyboard input (also drives a running slide show; Escape stops the canvas animation preview) |
ui.pointer |
{events: [{kind: down|drag|up|move|doubleclick|tripleclick, x, y, mods?, pressure?}], mods?} |
Drive the active tool in slide points through the same code path as the mouse. pressure is 0..=1 for a pen; omit it for a mouse |
ui.key / ui.text |
{key, shift?, alt?, cmd?} / {text} |
Keyboard input (also drives a running slide show) |
ui.ime |
{preedit, active?: [start, end]} / {commit} |
An input method's composition through egui, as a real one arrives: shown in place on the slide or in a focused field; {"preedit": ""} cancels |
ui.move / ui.click / ui.drag |
screen points | Real egui pointer input — reaches every widget, menu and pane |
ui.set |
{tab?, view?, pane?, notes?, zoom?, brightness?, ruler?, gridlines?, guides?, …} |
UI state (returns the full state) |
ui.dialog.open / ui.dialog.close |
{id, fields?} |
Open or close a dialog by id; fields pre-fills its fields (About: {"tab": "contributors"} or "models") |
ui.screenshot |
{path?} |
PNG of the whole window (base64 when no path) |
ui.render |
{path?, slide?, scale?} |
Render a slide headlessly |
ui.resize / ui.focus |
Window control | |
show.start / show.end |
{from?: slide index, custom?: name, reading?} |
Slide show. custom plays that custom show from its first slide and does not change Set Up. With no from and no custom, playback starts at the first slide of the show order |
app.open / app.save / app.export / app.quit |
{path, …} |
Files (export takes the file.export params, e.g. {"path": "deck.pdf", "layout": "handouts", "perPage": 3}) |
The MCP server (deckcraft-cli mcp, see mcp.md) wraps the same methods for Claude
and other agents; deckcraft-cli app METHOD [JSON] sends one request from a shell.