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vim-patch:9.0.0712: wrong column when calling setcursorcharpos() with zero lnum

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Problem:    Wrong column when calling setcursorcharpos() with zero lnum.
Solution:   Set the line number before calling buf_charidx_to_byteidx().
            (closes vim/vim#11329)
79f234499b
This commit is contained in:
zeertzjq
2022-10-10 21:38:24 +08:00
parent 5c9f6bdd8c
commit 249cb8345d
3 changed files with 25 additions and 11 deletions
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12
src/nvim/eval.c
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@@ -6454,11 +6454,14 @@ pos_T *var2fpos(const typval_T *const tv, const bool dollar_lnum, int *const ret
return NULL;
}
/// Convert list in "arg" into a position and optional file number.
/// When "fnump" is NULL there is no file number, only 3 items.
/// Convert list in "arg" into position "posp" and optional file number "fnump".
/// When "fnump" is NULL there is no file number, only 3 items: [lnum, col, off]
/// Note that the column is passed on as-is, the caller may want to decrement
/// it to use 1 for the first column.
///
/// @param charcol if true, use the column as the character index instead of the
/// byte index.
///
/// @return FAIL when conversion is not possible, doesn't check the position for
/// validity.
int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp, bool charcol)
@@ -6498,13 +6501,16 @@ int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp, bool c
return FAIL;
}
// If character position is specified, then convert to byte position
// If the line number is zero use the cursor line.
if (charcol) {
// Get the text for the specified line in a loaded buffer
buf_T *buf = buflist_findnr(fnump == NULL ? curbuf->b_fnum : *fnump);
if (buf == NULL || buf->b_ml.ml_mfp == NULL) {
return FAIL;
}
n = buf_charidx_to_byteidx(buf, posp->lnum, (int)n) + 1;
n = buf_charidx_to_byteidx(buf,
posp->lnum == 0 ? curwin->w_cursor.lnum : posp->lnum,
(int)n) + 1;
}
posp->col = (colnr_T)n;