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Merge branch 'search-fix-rendering-of-combining-characters-with-positive-x-offsets'

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Daniel Eklöf 2021-01-26 19:30:02 +01:00
commit 27f9972880
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2 changed files with 9 additions and 2 deletions
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1
CHANGELOG.md
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@ -93,6 +93,7 @@
* Scrollback search not matching composed characters.
* High CPU usage when holding down e.g. arrow keys while in scrollback
search mode.
* Rendering of composed characters in the scrollback search box.
### Security

10
render.c
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@ -2237,7 +2237,7 @@ render_search_box(struct terminal *term)
/* Calculate the width of each character */
int widths[text_len + 1];
for (size_t i = 0; i < text_len; i++)
widths[i] = max(1, wcwidth(text[i]));
widths[i] = max(0, wcwidth(text[i]));
widths[text_len] = 0;
const size_t total_cells = wcswidth(text, text_len);
@ -2429,10 +2429,16 @@ render_search_box(struct terminal *term)
x + x_ofs + glyph->x, y + font_baseline(term) - glyph->y,
glyph->width, glyph->height);
} else {
int combining_ofs = width == 0
? (glyph->x < 0
? width * term->cell_width
: (width - 1) * term->cell_width)
: 0; /* Not a zero-width character - no additional offset */
pixman_image_t *src = pixman_image_create_solid_fill(&fg);
pixman_image_composite32(
PIXMAN_OP_OVER, src, glyph->pix, buf->pix[0], 0, 0, 0, 0,
x + x_ofs + glyph->x, y + font_baseline(term) - glyph->y,
x + x_ofs + combining_ofs + glyph->x,
y + font_baseline(term) - glyph->y,
glyph->width, glyph->height);
pixman_image_unref(src);
}