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allow-overflowing-double-width-glyphs: take glyph offset into account

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A narrow, but offset:ed glyph should still be considered double
width.

This patch also fixes a crash, when the maybe-double width glyph is in
the last column. This is a regression.
This commit is contained in:
Daniel Eklöf 2021-07-02 16:29:08 +02:00
parent 562096a21a
commit 396a5ff79b
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GPG key ID: 5BBD4992C116573F
2 changed files with 10 additions and 3 deletions
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6
render.c
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@ -618,13 +618,13 @@ render_cell(struct terminal *term, pixman_image_t *pix,
if (term->conf->tweak.allow_overflowing_double_width_glyphs &&
((glyph_count > 0 &&
cell_cols == 1 &&
glyphs[0]->width >= term->cell_width * 15 / 10 &&
glyphs[0]->width < 3 * term->cell_width &&
col < term->cols - 1) ||
glyphs[0]->x + glyphs[0]->width >= term->cell_width * 15 / 10 &&
glyphs[0]->x + glyphs[0]->width < 3 * term->cell_width) ||
(term->conf->tweak.pua_double_width &&
((base >= 0x00e000 && base <= 0x00f8ff) ||
(base >= 0x0f0000 && base <= 0x0ffffd) ||
(base >= 0x100000 && base <= 0x10fffd)))) &&
col < term->cols - 1 &&
(row->cells[col + 1].wc == 0 || row->cells[col + 1].wc == L' '))
{
cell_cols = 2;