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Keep render state on the Terminal; a plugin reload rebuilds the command

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Sublime recreates every TextCommand instance whenever any plugin loads,
which dropped colored_lines and restarted the region key counter: old
overlays were never erased and keys were reused. RenderState now lives on
terminal.render_state, which survives reloads.
This commit is contained in:
Vaclav Tvrdik
2026-10-12 15:38:19 +02:00
parent 9656faa385
commit 8f5564f4aa
4 changed files with 102 additions and 56 deletions
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9
Architecture.md
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@@ -52,10 +52,11 @@ Generated at runtime, not in the repo: `Packages/User/vterm/vterm.hidden-color-s
`Char` carrying the extra `linefeed` field.
- **`SchemeManager`** (`scheme.py`) — module singleton `scheme_manager`. Owns the
generated scheme file and the mapping from colour combination to scope name.
- **`VtermRenderCommand`** (`render.py`) — Sublime keeps **one command instance per
view**, so its `colored_lines`, `_row_cache`, `_key_counter`, the scrollback chunk
bookkeeping (`_archived_chunks`, `_open_rows`, `_open_chunk`, `_trimmed`) and
`_lastrow` are that view's render state.
- **`VtermRenderCommand`** (`render.py`) — the per-frame logic. Sublime rebuilds every
`TextCommand` instance whenever any plugin loads, so the view's render state
(`RenderState`: `colored_lines`, `row_cache`, `key_counter`, the scrollback chunk
bookkeeping `archived_chunks`, `open_rows`, `open_chunk`, `trimmed`) lives on
`terminal.render_state`, bound as `self.state` at the top of each `run()`.
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