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The present code for creating diffs between surface regions processes
visible cells from both surfaces in lockstep. This only works when
the cells at each position have the same width in each surface.
When widths differ, the iterators go out of sync and end up comparing
cells in different positions of the surface, resulting in incorrect
diffs.
Fix this by instead iterating over the source surface ('other'), and
for each cell locating the corresponding cell in the target surface
to compare against.
To apply the fix to all three diffing functions, outline the per-line
code to a new function and call it in each function.
Also add a test that verifies the behavior in such case with differing
cell widths.
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| benches | ||
| codegen | ||
| data | ||
| examples | ||
| fuzz | ||
| src | ||
| Cargo.toml | ||
| CHANGELOG.md | ||
| LICENSE.md | ||
| README.md | ||
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.