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Prevent overlapping sections of glyphs from being misaligned

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* src/xdisp.c (gui_fix_overlapping_area): Offset all glyphs by
ROW->x.
This commit is contained in:
Po Lu 2023-12-31 11:34:28 +08:00
parent 2bbd50a03d
commit 4ffd16b8e5
1 changed files with 7 additions and 2 deletions
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9
src/xdisp.c
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@ -33565,13 +33565,18 @@ notice_overwritten_cursor (struct window *w, enum glyph_row_area area,
void
gui_fix_overlapping_area (struct window *w, struct glyph_row *row,
enum glyph_row_area area, int overlaps)
enum glyph_row_area area, int overlaps)
{
int i, x;
block_input ();
x = 0;
/* row->x might be smaller than zero when produced from an iterator
under horizontal scrolling. Offset all measurements by this
basic value, lest hscrolled text with overlaps be displayed with
its overlapping portions misaligned. */
x = row->x;
for (i = 0; i < row->used[area];)
{
if (row->glyphs[area][i].overlaps_vertically_p)