3cf01e8445
Add a render-state row-cells getter that encodes the current cell's full grapheme cluster directly as UTF-8 into a caller-provided GhosttyBuffer. The getter writes the base codepoint first, followed by any extra grapheme codepoints, and follows the existing buffer-writer convention where len is bytes written on success or required capacity on GHOSTTY_OUT_OF_SPACE. Previously C consumers could query grapheme codepoints, but bindings that needed UTF-8 text had to reconstruct and encode the cluster themselves. That duplicated terminal internals in downstream bindings and made users pay for awkward cross-language struct handling. By owning the UTF-8/grapheme behavior in libghostty, bindings can use one stable C API and optionally wrap it with small binding-local helpers. |
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| .. | ||
| vt | ||
| vt.h | ||