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fix(statusline): corrupted screen with minwid sign item in 'statuscolumn' (#23823)
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@ -1031,6 +1031,7 @@ int build_stl_str_hl(win_T *wp, char *out, size_t outlen, char *fmt, char *opt_n
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int evaldepth = 0;
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int curitem = 0;
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int foldsignitem = -1;
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bool prevchar_isflag = true;
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bool prevchar_isitem = false;
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@ -1655,6 +1656,7 @@ int build_stl_str_hl(win_T *wp, char *out, size_t outlen, char *fmt, char *opt_n
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if (width == 0) {
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break;
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}
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foldsignitem = curitem;
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char *p = NULL;
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if (fold) {
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@ -1664,32 +1666,22 @@ int build_stl_str_hl(win_T *wp, char *out, size_t outlen, char *fmt, char *opt_n
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p[n] = NUL;
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}
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*buf_tmp = NUL;
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size_t buflen = 0;
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varnumber_T virtnum = get_vim_var_nr(VV_VIRTNUM);
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for (int i = 0; i <= width; i++) {
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if (i == width) {
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if (*buf_tmp == NUL) {
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break;
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}
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stl_items[curitem].minwid = 0;
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} else if (!fold) {
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for (int i = 0; i < width; i++) {
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if (!fold) {
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SignTextAttrs *sattr = virtnum ? NULL : sign_get_attr(i, stcp->sattrs, wp->w_scwidth);
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p = sattr && sattr->text ? sattr->text : " ";
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stl_items[curitem].minwid = -(sattr ? stcp->sign_cul_id ? stcp->sign_cul_id
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: sattr->hl_id : (stcp->use_cul ? HLF_CLS : HLF_SC) + 1);
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}
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size_t buflen = strlen(buf_tmp);
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stl_items[curitem].type = Highlight;
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stl_items[curitem].start = out_p + buflen;
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xstrlcpy(buf_tmp + buflen, p, TMPLEN - buflen);
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buflen += strlen(p);
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curitem++;
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if (i == width) {
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str = buf_tmp;
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break;
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}
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int rc = snprintf(buf_tmp + buflen, sizeof(buf_tmp) - buflen, "%s", p);
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(void)rc; // Avoid unused warning on release build
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assert(rc > 0);
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}
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str = buf_tmp;
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break;
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}
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@ -1832,6 +1824,13 @@ int build_stl_str_hl(win_T *wp, char *out, size_t outlen, char *fmt, char *opt_n
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}
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}
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minwid = 0;
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// For a 'statuscolumn' sign or fold item, shift the added items
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if (foldsignitem >= 0) {
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ptrdiff_t offset = out_p - stl_items[foldsignitem].start;
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for (int i = foldsignitem; i < curitem; i++) {
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stl_items[i].start += offset;
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}
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}
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} else {
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// Note: The negative value denotes a left aligned item.
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// Here we switch the minimum width back to a positive value.
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@ -1851,6 +1850,14 @@ int build_stl_str_hl(win_T *wp, char *out, size_t outlen, char *fmt, char *opt_n
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}
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// }
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// For a 'statuscolumn' sign or fold item, add an item to reset the highlight group
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if (foldsignitem >= 0) {
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foldsignitem = -1;
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stl_items[curitem].type = Highlight;
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stl_items[curitem].start = out_p;
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stl_items[curitem].minwid = 0;
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}
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// For left-aligned items, fill any remaining space with the fillchar
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for (; l < minwid && out_p < out_end_p; l++) {
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MB_CHAR2BYTES(fillchar, out_p);
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@ -424,6 +424,21 @@ describe('statuscolumn', function()
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]])
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end)
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it('does not corrupt the screen with minwid sign item', function()
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screen:try_resize(screen._width, 3)
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screen:set_default_attr_ids({
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[0] = {foreground = Screen.colors.Brown},
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[1] = {foreground = Screen.colors.Blue4, background = Screen.colors.Gray},
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})
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command([[set stc=%6s\ %l]])
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exec_lua('vim.api.nvim_buf_set_extmark(0, ns, 7, 0, {sign_text = "𒀀"})')
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screen:expect([[
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{0: 𒀀 8}^aaaaa |
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{0: }{1: }{0: 9}aaaaa |
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]])
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end)
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for _, model in ipairs(mousemodels) do
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it("works with 'statuscolumn' clicks with mousemodel=" .. model, function()
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command('set mousemodel=' .. model)
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