Mercurial > vim
diff src/move.c @ 29024:9f25e0ed831d v8.2.5034
patch 8.2.5034: there is no way to get the byte index from a virtual column
Commit: https://github.com/vim/vim/commit/5a6ec10cc80ab02eeff644ab19b82312630ea855
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri May 27 21:58:00 2022 +0100
patch 8.2.5034: there is no way to get the byte index from a virtual column
Problem: There is no way to get the byte index from a virtual column.
Solution: Add virtcol2col(). (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/10477,
closes #10098)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Fri, 27 May 2022 23:00:03 +0200 |
parents | d0241e74bfdb |
children | 755ab148288b |
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line diff
--- a/src/move.c +++ b/src/move.c @@ -1322,6 +1322,39 @@ f_screenpos(typval_T *argvars UNUSED, ty dict_add_number(dict, "curscol", ccol); dict_add_number(dict, "endcol", ecol); } + +/* + * "virtcol2col({winid}, {lnum}, {col})" function + */ + void +f_virtcol2col(typval_T *argvars UNUSED, typval_T *rettv) +{ + win_T *wp; + linenr_T lnum; + int screencol; + int error = FALSE; + + rettv->vval.v_number = -1; + + if (check_for_number_arg(argvars, 0) == FAIL + || check_for_number_arg(argvars, 1) == FAIL + || check_for_number_arg(argvars, 2) == FAIL) + return; + + wp = find_win_by_nr_or_id(&argvars[0]); + if (wp == NULL) + return; + + lnum = tv_get_number_chk(&argvars[1], &error); + if (error || lnum < 0 || lnum > wp->w_buffer->b_ml.ml_line_count) + return; + + screencol = tv_get_number_chk(&argvars[2], &error); + if (error || screencol < 0) + return; + + rettv->vval.v_number = vcol2col(wp, lnum, screencol); +} #endif /*