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There were a a couple of issues: * `ImageData::hash` would re-hash the image on every call, and this was called for every cell that comprised an image on the mux server side * `SerializedLine` needed to understand how to remove the `Arc<ImageData>` image attachments so that we didn't serialize a complete copy of the image per cell that comprised the image. A new RPC was introduced to attempt to fetch `ImageData` given its content hash and pane, row and cell index as a hint to locate it. A client side LRU of content hash to `ImageData` is used to avoid issuing repeat calls to that new RPC. refs: #1237 |
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Terminal Wizardry
This is a rust crate that provides a number of support functions for applications interested in either displaying data to a terminal or in building a terminal emulator.
It is currently in active development and subject to fairly wild sweeping changes.
Included functionality:
Surfacemodels a terminal display and its componentCells- Terminal attributes are aware of modern features such as True Color, Hyperlinks and will also support sixel and iterm style terminal graphics display.
Surfaces include a log ofChanges and an API for consuming and applying deltas. This is a powerful building block for synchronizing screen instances.- Escape sequence parser decodes inscrutable escape sequences and gives them semantic meaning, making the code that uses them clearer. The decoded escapes can be re-encoded, allowing applications to start with the semantic meaning and emit the appropriate escape sequence without embedding obscure binary bytes.
Capabilitiesallows probing for terminal capabilities that may not be included in the system terminfo database, and overriding them in an embedding application.Terminaltrait provides an abstraction over unix style ttys and Windows style console APIs.Changes fromSurfacecan be rendered toTerminals.Terminals allow decoding mouse and keyboard inputs in both blocking or non-blocking mode.Widgettrait allows composition of UI elements at a higher level.LineEditorimplements shell-like line editing functionality.
Windows Support
Termwiz understands how to work with both the legacy console APIs and the new PTY and virtual terminal features available in Windows 10, allowing for true color terminal applications on Windows 10.