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fix(marks): revalidate marks whose position did not change

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Problem:  Marks whose position did not change with the action that
          invalidated them (right_gravity = false) are not revalidated
          upon undo.
Solution: Remove early return when restoring a marks saved position so
          that it is still revalidated. Add "move" guards instead.
This commit is contained in:
Luuk van Baal
2024-06-30 02:23:09 +02:00
parent 5fc25ecc7a
commit 012db2b0f5
2 changed files with 27 additions and 28 deletions
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22
src/nvim/extmark.c
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@@ -116,16 +116,10 @@ static void extmark_setraw(buf_T *buf, uint64_t mark, int row, colnr_T col, bool
{
MarkTreeIter itr[1] = { 0 };
MTKey key = marktree_lookup(buf->b_marktree, mark, itr);
if (key.pos.row < 0 || (key.pos.row == row && key.pos.col == col)) {
// Does this hold? If it doesn't, we should still revalidate.
assert(!invalid || !mt_invalid(key));
return;
}
// Key already revalidated(how?) Avoid adding to decor again.
if (invalid && !mt_invalid(key)) {
invalid = false;
}
bool move = key.pos.row >= 0 && (key.pos.row != row || key.pos.col != col);
// Already valid keys were being revalidated, presumably when encountering a
// SavePos from a modified mark. Avoid adding that to the decor again.
invalid = invalid && mt_invalid(key);
// Only the position before undo needs to be redrawn here,
// as the position after undo should be marked as changed.
@@ -137,19 +131,21 @@ static void extmark_setraw(buf_T *buf, uint64_t mark, int row, colnr_T col, bool
int row2 = 0;
if (invalid) {
mt_itr_rawkey(itr).flags &= (uint16_t) ~MT_FLAG_INVALID;
} else if (key.flags & MT_FLAG_DECOR_SIGNTEXT && buf->b_signcols.autom) {
} else if (move && key.flags & MT_FLAG_DECOR_SIGNTEXT && buf->b_signcols.autom) {
MTPos end = marktree_get_altpos(buf->b_marktree, key, NULL);
row1 = MIN(end.row, MIN(key.pos.row, row));
row2 = MAX(end.row, MAX(key.pos.row, row));
buf_signcols_count_range(buf, row1, row2, 0, kTrue);
}
marktree_move(buf->b_marktree, itr, row, col);
if (move) {
marktree_move(buf->b_marktree, itr, row, col);
}
if (invalid) {
row2 = mt_paired(key) ? marktree_get_altpos(buf->b_marktree, key, NULL).row : row;
buf_put_decor(buf, mt_decor(key), row, row2);
} else if (key.flags & MT_FLAG_DECOR_SIGNTEXT && buf->b_signcols.autom) {
} else if (move && key.flags & MT_FLAG_DECOR_SIGNTEXT && buf->b_signcols.autom) {
buf_signcols_count_range(buf, row1, row2, 0, kNone);
}
}