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feat(decorations): support virtual lines (for now: only one block at a time)

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This commit is contained in:
Björn Linse
2021-08-08 17:36:54 +02:00
parent b3b02eb529
commit 392c658d4d
21 changed files with 885 additions and 191 deletions
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34
src/nvim/decoration.c
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@@ -59,7 +59,7 @@ void bufhl_add_hl_pos_offset(buf_T *buf, int src_id, int hl_id, lpos_T pos_start
hl_start = pos_start.col + offset;
hl_end = pos_end.col + offset;
}
(void)extmark_set(buf, (uint64_t)src_id, 0,
(void)extmark_set(buf, (uint64_t)src_id, NULL,
(int)lnum-1, hl_start, (int)lnum-1+end_off, hl_end,
decor, true, false, kExtmarkNoUndo);
}
@@ -412,3 +412,35 @@ void decor_free_all_mem(void)
}
kv_destroy(decor_providers);
}
int decor_virtual_lines(win_T *wp, linenr_T lnum)
{
buf_T *buf = wp->w_buffer;
if (!buf->b_virt_line_mark) {
return 0;
}
if (buf->b_virt_line_pos < 0) {
mtpos_t pos = marktree_lookup(buf->b_marktree, buf->b_virt_line_mark, NULL);
if (pos.row < 0) {
buf->b_virt_line_mark = 0;
}
buf->b_virt_line_pos = pos.row + (buf->b_virt_line_above ? 0 : 1);
}
return (lnum-1 == buf->b_virt_line_pos) ? (int)kv_size(buf->b_virt_lines) : 0;
}
void clear_virt_lines(buf_T *buf, int row)
{
if (row > -1) {
redraw_buf_line_later(buf, MIN(buf->b_ml.ml_line_count,
row+1+(buf->b_virt_line_above?0:1)));
}
for (size_t i = 0; i < kv_size(buf->b_virt_lines); i++) {
clear_virttext(&kv_A(buf->b_virt_lines, i));
}
kv_destroy(buf->b_virt_lines); // re-initializes
buf->b_virt_line_pos = -1;
buf->b_virt_line_mark = 0;
}