mirror of
https://github.com/GraphiteEditor/Graphite.git
synced 2026-09-15 22:28:10 +08:00
dc813e35fc
* More consistent document crate names * Fix fmt * Fix ASCII art diagrams * rename document-graph to document-graph-storage
43 lines
2.3 KiB
Rust
43 lines
2.3 KiB
Rust
//! Persistent cursor state for the local peer. Separate from [`crate::Manifest`] because the
|
|
//! manifest describes document identity (what this document *is*), while [`SessionState`]
|
|
//! describes where the local peer's cursor sits inside it.
|
|
//!
|
|
//! Lives in `session.json`. Rewritten on retirement.
|
|
|
|
use document_graph_storage::{NetworkId, PeerId, Rev};
|
|
use serde::{Deserialize, Serialize};
|
|
use std::collections::BTreeMap;
|
|
|
|
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
|
|
pub struct SessionState {
|
|
/// This peer's identity for the document, stable per (device, document). Per-peer rather than
|
|
/// document identity, so it lives with the cursor here, not in the manifest. Used for CRDT
|
|
/// tiebreaking and minting peer-scoped IDs.
|
|
#[serde(default)]
|
|
pub peer_id: PeerId,
|
|
/// Local-chain cursor. Points at the most recently applied retired delta, or `None` on an empty
|
|
/// document (no commits yet).
|
|
#[serde(default)]
|
|
pub head_rev: Option<Rev>,
|
|
/// Published frontier: the latest retired commit broadcast to a peer. Commits after it are silently
|
|
/// rewritable on undo; commits at or before it are published. `None` until broadcast transport lands.
|
|
#[serde(default, skip_serializing_if = "Option::is_none")]
|
|
pub last_broadcast_rev: Option<Rev>,
|
|
/// Revs the user has undone past, so redo survives a reopen. (The legacy `VecDeque` redo history
|
|
/// is not persisted, so within the shadow phase this is strictly more capable than the live editor.)
|
|
#[serde(default)]
|
|
pub redo_stack: Vec<Rev>,
|
|
/// Shared-monotonic counter feeding `Document::next_node_id`. Persisted so reopens don't
|
|
/// collide on minted IDs.
|
|
#[serde(default)]
|
|
pub next_node_counter: u64,
|
|
/// Per-peer view settings (PTZ, rulers, overlays, snapping, panel collapse). Local to the viewer,
|
|
/// so kept out of the CRDT/history. Editor owns the keys/values (opaque `ui::doc::*` blobs).
|
|
#[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
|
|
pub view_settings: BTreeMap<String, serde_json::Value>,
|
|
/// Per-network view settings (node-graph nav + previewing), keyed by the stable storage [`NetworkId`].
|
|
/// Per-peer like [`view_settings`](Self::view_settings); opaque `ui::nav::*` / `ui::previewing` blobs.
|
|
#[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
|
|
pub network_view_settings: BTreeMap<NetworkId, BTreeMap<String, serde_json::Value>>,
|
|
}
|