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fix(api): better topline adjustments in nvim_buf_set_lines

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Some more reasonable defaults for topline:
  - if topline was replaced with another line, that now becomes topline
  - if line was inserted just before topline, display it. This is more
    similar to the previous API behavior.
This commit is contained in:
bfredl
2023-08-28 11:35:09 +02:00
parent 794981d9be
commit 0a81ec14a4
3 changed files with 144 additions and 5 deletions
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6
src/nvim/api/buffer.c
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@ -464,7 +464,8 @@ void nvim_buf_set_lines(uint64_t channel_id, Buffer buffer, Integer start, Integ
// Adjust marks. Invalidate any which lie in the
// changed range, and move any in the remainder of the buffer.
mark_adjust_buf(buf, (linenr_T)start, (linenr_T)(end - 1), MAXLNUM, (linenr_T)extra,
linenr_T adjust = end > start ? MAXLNUM : 0;
mark_adjust_buf(buf, (linenr_T)start, (linenr_T)(end - 1), adjust, (linenr_T)extra,
true, true, kExtmarkNOOP);
extmark_splice(buf, (int)start - 1, 0, (int)(end - start), 0,
@ -711,7 +712,8 @@ void nvim_buf_set_text(uint64_t channel_id, Buffer buffer, Integer start_row, In
// Adjust marks. Invalidate any which lie in the
// changed range, and move any in the remainder of the buffer.
// Do not adjust any cursors. need to use column-aware logic (below)
mark_adjust_buf(buf, (linenr_T)start_row, (linenr_T)end_row, MAXLNUM, (linenr_T)extra,
linenr_T adjust = end_row >= start_row ? MAXLNUM : 0;
mark_adjust_buf(buf, (linenr_T)start_row, (linenr_T)end_row, adjust, (linenr_T)extra,
true, true, kExtmarkNOOP);
extmark_splice(buf, (int)start_row - 1, (colnr_T)start_col,